CN100567639C - Tissue paper with protruding lotion deposits - Google Patents
Tissue paper with protruding lotion deposits Download PDFInfo
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- CN100567639C CN100567639C CNB2005800128305A CN200580012830A CN100567639C CN 100567639 C CN100567639 C CN 100567639C CN B2005800128305 A CNB2005800128305 A CN B2005800128305A CN 200580012830 A CN200580012830 A CN 200580012830A CN 100567639 C CN100567639 C CN 100567639C
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- lotion
- paper
- tissue paper
- tissue
- thin
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/02—Patterned paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C7/00—Digesters
- D21C7/14—Means for circulating the lye
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/02—Chemical or biochemical treatment
Abstract
Tissue paper and the product of being made by tissue paper are as the tissue paper cleaning piece of paper handkerchief, face tissue, toilet paper and facial tissue, any kind of etc.The invention still further relates to a kind of tissue paper that comprises lotion deposits on the tissue paper surface, described lotion deposits protrudes in the significant height of described thin paper mean level of the sea.
Description
Invention field
The product that the present invention relates to tissue paper and make by tissue paper.More particularly, the present invention relates to a kind of thin paper that comprises lotion deposits, the highly significant of described lotion deposits is higher than the mean level of the sea on described thin paper surface.
Background of invention
Tissue paper is sometimes referred to as paper web or paper, thin paper, tissue layers, multiple layer paper or tissue web, and by its product of making, for example paper handkerchief, paper handkerchief for kitchen use or bathroom have obtained to use widely and be well-known in the art in modern society with thin paper, toilet paper or face tissue.
Tissue paper is usually with following step manufacturing: with cellulose fibre stratification on screen cloth of wetting state, add various additives or other compositions, subsequently oven dry.Before the above-mentioned system paper step, during or afterwards other operation be intended to give thin paper desired characteristic.The purpose of conversion step is tissue paper is processed into finished product.
The product of being made by tissue paper can prepare by the combination of multi-layered tissue paper (being also referred to as synusia), maybe can comprise a tissue paper layer (single-layer products).Those synusia can make up and be combined together to form finished product by multiple mode, and the embossing of for example passing through sandwich construction is or/and by gluing.Finished product is called thin paper products herein.Finished product is made by a more than synusia, and described synusia has direction interior thin paper (or synusia) surface and both direction outer surface outwardly inwardly.
Think always that for a long time the important physical attribute of these tissue papers is their intensity and thickness/bulkiness, their flexibility and smoothness and their absorbabilities.Flexibility and smoothness relate to when the sense of touch that a certain specific products is held in the hand, the user can experience when rubbing wrinkle with its wiping skin or with it in hand.
Relative thicker but softer disposable paper products, promptly the paper handkerchief form is known by people.For example, Procter ﹠amp; The Tempo that Gamble Company sells
TMBe the multi-ply paper product of feeling thick and soft, its thickness is about 0.3mm.The sensation that the thickness conference a kind ofly does for the user, wet strength is all very high.High wet strength is also referred to as wet burst strength, especially can prevent to tear or break, and for paper handkerchief, thisly tears or breaks and can cause mucus or other body fluid user's the hand of making dirty.
The common method that strengthens the thin paper surface flatness is that material is carried out press polish.The another kind of method of improving the smooth feeling that the user perceiveed of thin paper products such as handkerchief is in the papermaking stage and/or conversion is replenished some additives for the tissue paper composition in the stage.Those additives can have the effect that makes tissue paper smooth, allow the user feel that it is more soft or smooth to a certain extent.Alternatively or in addition, some additive is to touching or use user's skin of this thin paper products influential, as makes skin smooth, makes skin hydration.This a kind of effect in back is partly transferred on the skin by additive in use usually and is obtained, thereby contact the phase between thin paper products and skin after, prolongs the effect of additive on skin.
Smooth lotion is normally hydrophobic or comprise hydrophobic compound.Lotion is present on the tissue paper surface can have adverse effect to the character of tissue paper: at first, hydrophilic thin paper surface is hidden the absorbability or the infiltration rate that can reduce thin paper by hydrophobic lotions.This is worthless effect for the user has presented.For example, for paper handkerchief, the tissue paper that lotion arranged than no lotion take longer to could absorb snotter.Secondly, thereby lotion can move to from the thin paper surface and makes tissue paper more not hydrophilic the tissue paper structures, and makes the lotion that has from the teeth outwards still less can be used for smooth beneficial effect is delivered to skin.Solve lotion and expect that in time the traditional approach of migration is to use a large amount of relatively lotions, even to guarantee the lotion that on thin paper surface after the longer-term storage, also has a basic weight to use.This produces excessive lotion then on the tissue paper of harsh product, thereby causes the unhelpful greasy feeling absorbability of tissue paper (and further reduce) during use.The 3rd, the lotion that is coated between the operating period on the fiber is not easy to be discharged by thin paper, therefore less can be transferred on user's skin.In addition, because the cost of lotion raw material is higher relatively, the lotion of use reduction also has advantage economically on thin paper.
Therefore, need provide a kind of tissue paper, show a large amount of relatively available lotion with discrete deposits form in the surface of described thin paper, described lotion is outstanding significant height from the thin paper surface.
In addition, also need to improve thin paper smooth beneficial effect, improve the absorbability of tissue paper, and improve the transferability of lotion to user's skin, a kind of improvement simultaneously can not improve another kind and cause damage.
Summary of the invention
In order to solve these problems relevant with prior art, the invention provides a kind of tissue paper with first and second apparent surfaces, wherein said thin paper comprises lotion at least one surface of described tissue paper.Lotion is present on the first surface with basic discrete outstanding deposition, and the bulk of wherein said tissue paper is equal to or less than 5.2cm
3/ g thin paper, the average height of wherein said outstanding deposition is at least 30 μ m.
The accompanying drawing summary
Fig. 1 is the expression of the thin paper surface upper process of embodiment 1.Described thin paper 2.1g/sqm lotion-treated.
Fig. 2 is the expression on the thin paper surface of thin paper embodiment 1, and described thin paper is handled with the 2.1g/sqmr amount with the preparation of embodiment 1, and it shows the height of outstanding deposition with gray value.White portion is given prominence to.
Detailed Description Of The Invention
The invention provides the tissue paper that a kind of demonstration has high-level surface flatness and flexibility, high-absorbable, high strength and high bulkiness. These obvious conflicting characteristics are grouped together by following theory of the present invention.
" lotion " is preferably to add on the thin paper to improve its flexibility/smoothness and skin to be had the composition of smooth beneficial effect in the conversion stage.When using thin-paged paper products, some lotions can be transferred on user's skin from thin paper.Therefore it produces more long-term smooth effect on skin.Alternatively, lotion can be called as smooth or softening lotion or composition.
Lotion can comprise softening/remover, emollient, fixative and their mixture.Suitable softening/remover comprises quaternary ammonium compound, poly(silicon aether) and their mixture.Suitable emollients comprises has 12 fatty alcohol ethers to 28 carbon atoms, mineral oil (also to be silicone oil in propylene glycol, glycerine, triethylene glycol, spermaceti or other wax, vaseline, aliphatic acid, fatty alcohol, the fatty acid chain, as dimethyl silicone polymer) and isopropyl palmitate, and their mixture.Suitable fixative comprises wax, fatty alcohol, aliphatic acid, for example ceresin, microwax, pertroleum wax, Fischer-Tropsch wax, paraffin, stearyl alcohol and paraffin, mulit-hydroxy fatty acid ester, polyhydroxy fatty acid amide and their mixture.In most of the cases, lotion comprises at least a fixative and emollient.Lotion can be microemulsion or dispersion.Other optional member comprises spices, antibacterial activity agent, antiviral activity agent, disinfectant, medical active agent, film forming agent, deodorant, opacifier, astringent, solvent or the like.The specific embodiment of lotion component comprises camphor, thymol, menthol, chamomile extract, aloe, pot marigold.
" outstanding deposition " is meant a kind of outstanding deposition, and it is defined as protruding on the tissue paper lotion deposits of thin paper surface mean level of the sea (at least 25 microns in some embodiments).
Each data point of being higher than at least 25 microns of thin paper surface mean level of the sea (being provided by hereinafter described method) average height is provided " outstanding deposition average height ".
Term " tissue paper ", " tissue web ", " tissue webs ", " thin paper ", " paper " and " fiber web " can be used alternatingly in this document.The present invention can be used for tissue paper usually, includes but not limited to the paper of conventional felt pressure tissue paper, high-loft pattern-densified type tissue paper, the uncompacted tissue paper of high-loft and aeration-drying.Tissue paper can be structure homogeneous or multilayer; And the thin-paged paper products that makes thus can be the single or multiple lift structure.The tissue paper preferred basis weights is between about 10g/m
2With about 65g/m
2Between, bulk is about 5.2cm
3/ g or (preferably be equal to or less than 5.0cm forr a short time
3/ g).More preferably basic weight is about 40g/m
2Or it is littler.The method of conventional pressed tissue paper and this paper of manufacturing is well-known in the art.This paper is typically made by the papermaking batching is deposited on the porose forming metal silk (often being called fourdrinier wire in this area).In case batching is deposited on the forming metal silk, just can be referred to as fiber web.Make the fiber web dehydration by extrusion fiber net or high temperature drying.Can utilize the further extruding and dry of fiber web after steam roller device known in the art such as Yankee drying machine will dewater.Wood pulp applicatory comprises chemical wood pulp, and for example kraft pulp, sulphite wood pulp and sulfate wood pulp, and groundwood pulp comprise for example thermodynamics wood pulp of wood fragments slurry, thermodynamics wood pulp and chemical modification.Except paper fibre, the papermaking batching that is used to prepare tissue paper structures can have other component or the material that is added on it, becomes known as known in the art or afterwards.Required additive types will depend on the final use of contemplated tissue sheets.For example, in the product such as toilet paper, paper handkerchief, face tissue and other similar articles, high wet strength is required attribute.Therefore, need add known in the art in the papermaking batching usually be the chemical substance of " wet strength " resin.Comprehensive paper about the wet-strength resins type utilized in the paper field, can be referring to TAPPI monograph the 29th phase of series, Wet Strength in paperand Paperboard, Technical Association of the Pulp and PaperIndustry (New York, 1965).The moisture of tissue paper of the present invention can be between 0 and 20% (w/w), but has found that moisture can obtain optimum at least 4% (w/w).
Tissue paper of the present invention can be formed at monolayer material or can be the multi-layered tissue paper width of cloth.Term " the multi-layered tissue paper width of cloth, multi-layer web, multi-layered web, the multilayer scraps of paper and multi-ply paper product " all can be used alternatingly in this area, and they are used to refer to by the scraps of paper two-layer or that the moisture papermaking batching of multilayer is made, preferably are made of different fiber types.Described fiber typically is long cork fibrous and short hardwood fiber, as employed in tissue paper is made.Preferred being deposited on one or more ring-type feed surfaces by the dilution fiber slurry stream that will separate of these layers forms.If these layers are to form on the feed surface that separates at first, then these layers can combine subsequently when the wetting formation multi-layered tissue paper width of cloth.
" thin paper products " of the present invention is the finished product of being made by one or more layers above-mentioned tissue paper, as paper handkerchief for kitchen use or paper handkerchief.Each of multi-ply paper product layer can be made from a variety of materials or can make with different modes in papermaking or conversion step.Term used herein " individual layer thin-paged paper products " is meant that these goods are made of one deck thin paper; This layer can be in itself evenly basic or its can be the tissue webs of multilayer.Term used herein " multi-layered tissue paper goods " is meant that these goods are made of the thin paper more than one deck.The synusia of multi-layered tissue paper goods can be in itself evenly basic or they can be the tissue webs of multilayer.
" the lotion basic weight of outstanding deposition " is the lotion concentration in the outstanding deposition of lotion on the thin paper, to restrain every square metre of expression.This by the mean value of survey deposition.The lotion basic weight of outstanding deposition is described by the following method to be determined.
" density of outstanding deposition " is the average number of the protruding lotion deposits on the unit thin paper area, with sqcm
-1Expression.
" the lotion basic weight of thin paper " is the total concentration of lotion on the thin paper, to restrain every square metre of expression (being also referred to as total or full basic weight or concentration).Described basic weight can be measured by any standard method, and for example solvent extraction is perhaps released (be deposited on the thin paper lotion amount divided by the gross area of thin paper) by process conditions.
Expectation provides a kind of smooth thin paper that comprises lotion, and described lotion can be transferred in thin paper user's the skin easily.As described herein, carefully select the distribution of lotion on thin paper of a plurality of discrete deposits forms, can strengthen lotion by the transferability of thin paper on user's skin.It is believed that outstanding deposition that highly significant is higher than thin paper surface mean level of the sea will have higher can be to user's cutaneous metastatic, thereby will more help the whole smooth degree of thin paper.The deposition of having found to protrude in thin paper surface average surface at least 25 μ m is the most useful.Preferred deposition is given prominence at least 30 μ m, 35 μ m or at least 50 μ m.When with described outstanding deposition applications in having limited bulk (promptly less than 5.2cm
3/ g, or 5.0cm
3In the time of on/g) the tissue paper, observed this beneficial effect best.
Simultaneously, total basic weight of lotion is equal to or less than 9g/sqm on the thin paper, and less than 6g/sqm, less than 4.5g/sqm, 3.0g/sqm is most preferably less than 2g/sqm.
In some embodiments, ratio R is counted as:
When R greater than 0.005 the time, observe useful effect.In preferred embodiments, R also can be 0.01,0.02,0.05,0.1,0.2 or 0.3.
When having observed density when outstanding deposition and be 1,3,5 or 10 of every square centimeter of thin papers, obtained useful effect in some embodiments.
In some embodiments, lotion can dye with osmium tetroxide as herein described and manifest.In other embodiments, lotion can manifest with infra-red sepectrometry (IR spectroscopic methodology), and described method is incorporated herein by reference.
In these embodiments, total basic weight of lotion is generally 0.3g/sqm, 0.6g/sqm, 1.0g/sqm, 1.5g/sqm or 2.5g/sqm at least on the thin paper.
In some embodiments, found that it is preferred that large-area relatively thin paper is covered by the deposition of big relatively height (or protuberance).Make product have higher lotion transferability like this.This ratios available R
2Represent, wherein
R
2Be at least 0.005,0.001, at least 0.05 or at least 0.08.
In some embodiments, the present invention relates to the multi-layered tissue paper goods.When the multi-layered tissue paper goods comprise 2 synusia, found that the present invention can be worked well when at least one outer surface (direction surface outwardly) has more the lotion of manying than its corresponding inner surface (direction inward-facing surface).This can measure by scanning electron microscopy.When the multi-layered tissue paper goods have at least 3 layers, found ought at least 60%, at least 70%, at least 80% or at least 90% lotion when being positioned at an outer-skin sheet, the transferability of lotion is suitable.Really, the lotion that is present on the inner layer piece shifts much smaller to user's skin role to lotion.
Lotion:
Described in addition the present invention especially pays close attention to smooth lotion.The additive or the compound that should be noted that any kind can be used by described method, obtain to use additive or the required distribution mode of compound as long as can adjust physical property (as fusing point, viscosity) and application temperature with the surface at tissue paper.These additives or compound can comprise: hydration lotion, soap, wetting agent, sun-screening agent, makeup removing composition, antidotal agent, disinfectant or make up and the treatment field in more generally additive/compound, washing agent, soap, wax, cleaning additive and the more generally compound that is used to clean, the maintaining agent of article, surface or machine components, protective agent and finishing agent.
Lotion in most of the cases is heterogeneous composition.They can comprise the gel structure of solid, crystallization, the polymeric material that is lower than vitrifying point, heterogeneous (as oil phase and water) and/or emulgate ingredient.The melt temperature of lotion be may be difficult to accurately measure, liquid form, quasi-liquid form promptly are difficult to measure, like the transition temperature between solid form and the solid form.Term melt temperature, fusing point, transition point, transition temperature can be used alternatingly and have identical implication in this document.
For the purpose of the present invention, think that melt temperature not only relates to the form of lotion or state definition (liquid, solid, quasi-liquid, like solid), but also relate to its rheological property.For the purpose of the present invention, doing definition is: can flow, move and move under the power effect that liquid or quasi-liquid lotion are run in application for example.Solid or can not flow freely and fixing slightly in their position like the solid lotion.For example, if lotion can be fed on the surface of revolution and discharge therefrom under used process conditions, then this lotion will be described liquid or quasi-liquid.If before often using product, significantly in the internal structure from surperficial free migration to thin paper, then this lotion will be described solid or semisolid to lotion when room temperature (promptly 23 ℃).
Lotion can comprise surface conditioning agent.The non-limiting example that can be included in the suitable surface finishing agent in the lotion can be selected from: the C of polymer such as polyethylene and derivative thereof, hydrocarbon, wax, oil, siloxanes (polysiloxanes), quaternary ammonium compound, fluorocarbon, replacement
10-C
22The C of alkane, replacement
10-C
22Alkene is in particular to derivative (as ester and ether), sugar derivatives (as ether and ester), poly-dihydric alcohol (as polyethylene glycol) and their mixture of the derivative (as fatty acid amide, aliphatic acid condensation product and fatty alcohol condensation product) of fatty alcohol and aliphatic acid, polyalcohol, polyalcohol.
Lotion can comprise oil and/or emollient and/or wax (wherein any one or all can be transfer agent) and/or fixative.In one embodiment, lotion comprises about 10% to about 90% the oil and/or the fixative of liquid emollient agent and about 10% to about 50%, and/or about 0% to about 60% vaseline, and the carrier of optional surplus.
Lotion can be heterogeneous.They can comprise solid, gel structure, polymeric material, heterogeneous (as oil phase and water) and/or emulgate ingredient.The melt temperature of lotion be may be difficult to accurately measure, liquid form, quasi-liquid form promptly are difficult to measure, like the transition temperature between solid form and the solid form.Term melt temperature, fusing point, transition point, transition temperature can be used alternatingly and have identical implication in this document.
Lotion can be full-bodied semisolid, and the driving effect is just substantially mobile thereby they are in the use of product or gel structure as not.
But lotion shear thinning and/or they can change its viscosity strongly near skin temperature, to allow the transfer on user's skin and to sprawl.
Lotion can be emulsion and/or dispersion form.
In an embodiment of lotion, the water content that lotion has is less than about 20% and/or be less than 10% and/or be less than about 5% or be less than about 0.5%.
In another embodiment, the lotion solids content that can have is at least about 15% and/or at least about 25% and/or at least about 30% and/or at least about 40% to about 100% and/or to about 95% and/or to about 90% and/or to about 80%.
The suitable oil and/or the non-limiting example of emollient comprise dihydroxylic alcohols (as propylene glycol and/or glycerine), poly-dihydric alcohol (as triethylene glycol), vaseline, aliphatic acid, fatty alcohol, alcohol ethoxylate, aliphatic alcohol ester and fatty alcohol ether, fatty acid ethoxylate, fatty acid amide and aliphatic acid ether, hydrocarbon ils (as mineral oil), saualane, fluoridize emollient, silicone oil (as dimethyl silicone polymer) and their mixture.
Fixative comprises can prevent that emollient from migrating to the reagent of tissue paper inside, make emollient mainly remain on the surface of tissue paper and/or thin page or leaf sanitary tissue products and/or on tissue paper and/or the lip-deep surface treating composition of thin page or leaf sanitary tissue products, and help lotion and transfer on user's skin.Fixative can be used as tackifier and/or gelling agent works.
The non-limiting example of suitable fixative comprises wax (as ceresin, ceresine, microwax, pertroleum wax, Fischer-Tropsch wax, silicon wax, paraffin), fatty alcohol (as cetanol and/or stearyl alcohol), aliphatic acid and salt (as stearic slaine), monohydroxy and mulit-hydroxy fatty acid ester, monohydroxy and polyhydroxy fatty acid amide, silica and silica derivative, gelling agent, thickener and their mixture.
In one embodiment, lotion comprises at least a fixative and at least a emollient.
In one embodiment, lotion comprises the sucrose ester of aliphatic acid.
Lotion can comprise transfer agent and therefore be considered to transferable lotion.Transferable lotion comprises at least aly can transfer to for example transfer agent on user's skin of apparent surface in use.In one embodiment, the transferable lotion that is present at least 0.1% on user's contact surface is transferred on user's skin during use.Transferring to the amount of the metastatic composition on user's skin during use can measure by known method, for example after the user uses tissue paper and/or thin page or leaf sanitary tissue products by using available from the Tegaderm Tapes adhesive tape sticking skin of 3M 3 times, and analyze adhesive tape to determine the component in metastatic composition or the metastatic composition, suppose that all components equality of metastatic composition shifts.
Other optional components that can be included in the lotion comprises carrier, spices, especially long-acting and/or lasting spices, antibacterial substance, antiviral active substance, disinfectant, pharmaceutically active substance, film forming agent, deodorant, opacifier, astringent, solvent, creeping chill agent etc.The specific embodiment of lotion component comprises camphor, thymol, menthol, chamomile extract, aloe, pot marigold, double half alcohol of α, vitamin E, vitamin e acetate.
In one embodiment, be present on the surface treating composition that exists on tissue paper and/or thin page or leaf sanitary tissue products lip-deep and/or tissue paper and/or the thin page or leaf sanitary tissue products surface lotion content for each user's contact surface at least about 0.5g/m
2And/or at least about 1.0g/m
2And/or at least about 1.5g/m
2In another embodiment, be present on tissue paper and/or the thin page or leaf sanitary tissue products surface and/or the lotion content on the surface treating composition that exists on tissue paper and/or the thin page or leaf sanitary tissue products surface is the about 0.5g/m of each user's contact surface
2And/or about 1.0g/m
2And/or about 1.5g/m
2To about 10g/m
2And/or to about 8g/m
2And/or to about 6g/m
2
" carrier " used herein is to be used to dilute and/or emulsification forms the reagent of surface treating composition and/or lotion to form the material of dispersion/emulsion.Carrier can be present in surface treating composition and/or the lotion, especially during surface treating composition and/or lotion are administered to tissue paper.A kind of component of carrier solubilized (true solution or micellar solution), perhaps a kind of component can be scattered in (dispersion or emulsion) in the whole carrier.The carrier of suspension or emulsion typically is their continuous phase.That is, other component of dispersion or emulsion is disperseed with molecular level, or is scattered in the whole carrier as discrete particle.
Suitable material as carrier of the present invention comprises hydroxyl functional liquid, includes but not limited to water.In one embodiment, lotion comprises and is less than about 20% and/or be less than about 10% and/or be less than about 5% and/or be less than the carrier of about 0.5% weight ratio, for example water.In one embodiment, surface treating composition comprises greater than about 50% and/or greater than about 70% and/or greater than about 85% and/or greater than about 95% and/or greater than the carrier of about 98% weight ratio, for example water.
Found that the water content that suitable lotion of the present invention has is less than 20%, is less than 10%, is less than 5% or be less than 0.5%.
Found that the present invention has special efficacy when lotion has following composition (w/w percentage):
| Stearyl alcohol CO1897* | 30％ |
| SEFOSE 1618S** | 50％ |
| Mineral oil (Carnation) * * * | 20％ |
* available from Procter ﹠amp; Gamble Chemicals, Cincinnati, USA
The sucrose ester of * fatty alcohol is available from Procter ﹠amp; Gamble Chemicals, Cincinnati, USA
* * is available from Crompton Corporation
Found that the present invention has special efficacy when lotion has following composition (w/w percentage):
| Stearyl alcohol CO1897* | 40％ |
| Vaseline (Snowwhite V28EP) * * | 30％ |
| Mineral oil (Carnation) * * | 30％ |
* available from Procter ﹠amp; Gamble Chemicals, Cincinnati, USA
* is available from Crompton Corporation
Found that the present invention has special efficacy when lotion has following composition (w/w percentage):
| Stearyl alcohol CO1897* | 20％ |
| SEFOSE 1618S** | 80％ |
* available from Procter ﹠amp; Gamble Chemicals, Cincinnati, USA
The sucrose ester of * fatty alcohol is available from Procter ﹠amp; Gamble Chemicals, Cincinnati, USA
All three preparations all are applied on the tissue paper embodiment 1 described thin paper, and the addition of every survey is between 1.5g/sqm and 6g/sqm.
Processing conditions and device description are in J.Kleinwaeschter, D.Butz, and the title of C.Marcott and G.Di Girolamo is in the U.S. Patent application of " Paper tissue with high lotiontransferability ".
Data:
|
|
|
|
|
| The lotion basic weight of thin paper | 2.1g/sqm | 3g/sqm | 2.1g/sqm |
| The density (sqcm) of |
10 | 2.7 | 3.7 |
| Ratio R | 0.27 | 0.04 | 0.06 |
| Average deposition volume (mm 3/1000) | 6.8 | 4.6 | 6.4 |
| Ratio R 2(smq/g) | 0.0084 | 0.0013 | 0.0022 |
Tissue paper embodiment 1:
The tissue paper that is used for following examples is conventional wet pressing, even, dried wrinkling tissue paper, and its basic weight is about 15.4g/sqm.Paper web consist of about 40% northern softwood kraft pulp and 60% eucalyptus.After papermaking, four paper are combined in the mode of offline group closing operation.The female roller of 4 synusia that will make up in advance subsequently converts 4 synusia thin-paged paper products to.With the female roller unreel of 4 synusia, between two smooth steel felt wrapped rolls, carry out press polish, subsequently by the high pressure embossing, to realize layer bonding.Most of tissue papers keep not being subjected to the influence of high pressure embossing.At last thin paper is longitudinally cut, then along transverse cuts into about the thin slice of 21cmx21cm, folding, 9 in a huddle and squeeze in the independent packaging bag.The basic weight of the 4 synusia thin paper products that obtained by said method is about 60g/sqm (lotion that does not comprise any application), and thickness is 0.27mm, and bulk is 4.5cm
3/ g, longitudinal strength is 504g/cm (1280g/in), and transverse strength is 240g/cm (610g/in), and wet burst strength is about 200g.It comprises wet strength agent and dry strength agent.
The tissue paper that is used for following examples is conventional wet pressing, layering, dried wrinkling tissue paper, and its basic weight is about 14.6g/sqm.Skin comprises about 100% eucalyptus fibers, and internal layer is made up of the batch mixes of the eucalyptus fibers of about 85% northern softwood kraft pulp, 10% CTMP and about 5%.Two-layer have an approximately identical basic weight (split layer of symmetry).After papermaking, four paper are combined in the mode of offline group closing operation.The female roller of 4 synusia that will make up in advance subsequently converts 4 synusia thin-paged paper products to.With the female roller unreel of 4 synusia, between two smooth steel felt wrapped rolls, carry out press polish, subsequently by the high pressure embossing, to realize layer bonding.Most of tissue papers keep not being subjected to the influence of high pressure embossing.At last thin paper is longitudinally cut, then along transverse cuts into about the thin slice of 21cmx21cm, folding, 9 in a huddle and squeeze in the independent packaging bag.The basic weight of the 4 synusia thin paper products that obtained by said method is about 60g/sqm (not comprising any lotion of using), and thickness is 0.27mm, and bulk is 4.5cm
3/ g, longitudinal strength is 465g/cm (1180g/in), and transverse strength is 220.5g/cm (560g/in), and wet burst strength is about 200g.It comprises wet strength agent and dry strength agent.
Method:
The bulk of tissue paper: the bulk of thin paper is defined as density, and (unit is g/cm
3) reciprocal value.Referring to the United States Patent (USP) 5,059,282 that is published on October 22nd, 1991 (people such as Ampulski) the 13rd hurdle, 61-67 is capable, and this patent has been described density how to measure tissue paper.Before the measurement, with paper balance at least 2 hours under the relative humidity of 23 ℃ and 50% (=/-2%).
By solvent-extracted average lotion add on level(the lotion basic weight on the thin paper): the representative sample utilization of about 2g lotion-treated thin paper is available from Dionex Corp., and the model ASE 200 of USA extracts by accelerated solvent extraction (ASE).Use the abstraction pool of following condition: 11mL, solvent mixture: 50% acetone/n-hexane; Temperature: 100 ℃ (heating also static 5 minutes); Pressure: 6.8MPa (1000PSI); 100% two cycles of flushing.With the solvent evaporation, and use gravimetric detemination remnants.Following then calculating lotion adds
Osmium dyeing: from thin-paged paper products smooth, not embossing and fold domain cutting down the square thin paper sample of about 4cmx4cm analyze (can use littler area if desired).All thin paper samples all be placed in the cover glass decorating cover down with fill 10ml 4%OsO
4In the equidistant open container of the open container of solution (aqueous solution).Steam dyeing typical case carried out 24 hours.The duration of dyeing is not very strict, can be longer or shorter, and this depends on that lotion is to the affinity of osmium and " black " degree of needs.On reaching sample, between lotion spot and the substrate during most probable contrast, stop dyeing.Because the paper fiber will be assembled osmium dyeing lentamente and deepen, therefore in dyeing course, there is a point, lotion will no longer react at this moment, and the paper fiber continues such reaction, makes contrast reduction between lotion and the fiber.
The sample preparation of surface analysis: the sample thin paper is placed on the slide of about 5cmx7.6cm (2 inches x3 inches), surface simultaneously to be analyzed is up.The edge of synusia carefully is bonded on the slide, obtains a flat sheet.
Surface analysis: (described measuring system is based on digital fringe projection technology for Teltow, the Germany) sample of analysis said fixing to use GFM Primos optics 3D measuring system.The visual field of system is 2.7x2.1cm, and detector comprises the 1300x1000 pixel.Function software is Primos, and version is 4.074.If possible, should use whole visual field, have only not comprise enough big smoothly, folding and not during embossed area when sample, just should use and analyze than low coverage.The 3D apparent height image (3D rendering) that system obtains the grayscale cameras image (GS image) of each analyzing samples and is corrected into micron.The GS image is derived from Primos software with the BMP image and is used for further processing.3D rendering is handled with removing the Primos software Align function that tilts, and derives with edge document form (Fringe File Version) 1 form (FD3) then.
The surface data graphical analysis: GS image (BMP) and 3-D view (FD3) are all imported MatLab, and (MA USA) handles to carry out all further images for MathWorks, Natick.When handling, data use the function in the MatLab image handling implement case v4.2 annex.Using the transformation kernel size is that 151 average convolution filter carries out smoothly then the gained image being cut from original three-dimensional image to 3-D view.Any wrinkle or the curvature of the sample of having made owing to fixation procedure in the image have been revised like this.And then be that 5 median filter is done smoothly slightly to the gained image with the transformation kernel size, to remove all high frequency noises in the measurement result.These operations obtain being in the image (m3D) of the surperficial mean level of the sea at zero elevation place.Then image is got threshold value, remove and exceed all data (mt3D) that mean level of the sea is lower than 25 microns.
The correlation of lotion area data:
(a) osmium dyeing
To use the transformation kernel size be 151 average convolution filter carries out smoothly then the gained image being cut from original GS image to the GS image of osmium color card.Revised the non-uniform illumination characteristic of Primos system in the image like this.And then be that 5 median filter is done smoothly slightly to the gained image with the transformation kernel size, to remove all high frequency noises in the measurement result.(minimum of a value, maximum) with this image corresponds to (0,1) in proportion then, and gets threshold operation, makes that be lower than 0.30 value is set as binary one, is set as zero and be greater than or equal to 0.30 value.This binary mask (BM) has shown that 1 is the lotion of black-dyeing, and zero be other everywhere.
(b) scanned infrared spectroscopic methodology
If colouring method is unsuitable for differentiating the lotion zone, can use other method of differentiating lotion, preferred infrared scan spectroscopic methodology.The situation that the method can be suitable for dyeing and the zone (these are the zones that possible protrude in the surface) that contains a large amount of lotions can not be distinguished from other surf zone, for example, if lotion substance does not dye or dyes inadequately, it can not be distinguished from background, perhaps, if substrate itself is colored.Differentiate that with IR scan light spectrometry the appropriate method in lotion zone is described in the title of J.Kleinwaeschter, D.Butz, C.Marcott and G.Di Girolamo in the U.S. Patent application of " Paper tissue with high lotion transferability ".In the method, described how to measure at area be the local lotion basic weight in the 25 μ mx25 μ m zones in 0.5cmx0.5cm or the bigger sample.
Preferably use the sample of 1cmx1cm at least.The file that comprises local lotion basic weight can be derived by 8 gray bitmap files, use image analysis program then, AnalySIS described in the U.S. Patent application for example cited above is (available from Soft Imaging GmbH, Germany) convert thereof into the binary mask BM that needs, the pixel that is 10g/sqm with all local lotion basic weights in binary mask BM is made as " 1 ", and all other points are made as " 0 ".Suitable benchmark mask can be used to binary mask is aimed at the 3D height image in the image.
To differentiate and be all data points (black region) of lotion in order to remove in the binary mask (BM), the pixel of gained 3-D view (mt3D) in the above-mentioned paragraph be multiply by the pixel of described binary mask (BM).In BM, become zero for the zone of lotion in the gained image by discriminating.To from final image, remove less than the surface area of 0.10mm^2 (225 pixel).Remove the border of (151/2=75) of the big young waiter in a wineshop or an inn's branch of used maximum transformation kernel from the edge of all images,, obtain final composite pattern (FC) to eliminate the invalid data that produces owing to convolution operation.
Non-vanishing data point is given prominence on average surface (in the FC image, mean level of the sea is zero place) among the FC, and area calculates by amounting to correction pixels.The above volume of mean level of the sea is also determined by the outburst area pixel being multiply by the total that each pixel exceeds the actual height of mean level of the sea.Write down each area and the volumetric region of each sample, and the summation of institute's reference area and volume, mean value and standard deviation.Use and measure the lotion volume that lotion overlay area mark and per unit sample area are further calculated in the visual field.
The density that multiply by lotion with the average deposition volume of per unit area obtains the lotion basic weight (unit is g/sqm) of outstanding deposition.
With lotion basic weight (unit be g/sqm) the calculating ratio R of the lotion basic weight (unit is g/sqm) that deposits divided by thin paper.
The document of this paper all references all is introduced to the relevant part of this article for reference; Any document quote the approval that may not be interpreted as can obtaining patentability of the present invention to it.
Although illustrated and described the present invention with specific embodiments, it will be apparent to those skilled in the art that many other variations and modifications may be made in the case of without departing from the spirit and scope of protection of the present invention.Therefore, in additional claims, comprise all such changes and modifications that belong in the scope of the invention consciously.
Claims (9)
1. tissue paper with first and second apparent surfaces, described tissue paper comprises lotion on its at least one surface, described lotion is present on the described first surface with basic discrete outstanding deposition form, and wherein said tissue paper has the 5.2cm of being equal to or less than
3The bulk of/g tissue paper, wherein said outstanding deposition has the average height of at least 30 μ m.
2. tissue paper as claimed in claim 1, wherein said deposition has the average height of at least 35 μ m.
3. tissue paper as claimed in claim 2, wherein said deposition has the average height of at least 38 μ m.
4. tissue paper as claimed in claim 1, wherein ratio R is defined as
And described ratio R is greater than 0.005.
5. tissue paper as claimed in claim 4, wherein said ratio R is greater than 0.01.
6. tissue paper as claimed in claim 1, wherein said tissue paper comprise at least 2 outstanding depositions of every square centimeter of tissue paper.
7. tissue paper as claimed in claim 1, wherein said lotion dyes with osmium tetroxide and detects.
8. tissue paper as claimed in claim 1, wherein said lotion detects with scans I R spectroscopic methodology.
9. tissue paper as claimed in claim 1, the lotion basic weight of wherein said tissue paper is equal to or less than 9g/m
2
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| CNB2005800128305A Expired - Fee Related CN100567639C (en) | 2004-04-23 | 2005-04-25 | Tissue paper with protruding lotion deposits |
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| US20080008865A1 (en) * | 2006-06-23 | 2008-01-10 | Georgia-Pacific Consumer Products Lp | Antimicrobial hand towel for touchless automatic dispensers |
| US8940323B2 (en) * | 2008-05-30 | 2015-01-27 | Kimberly-Clark Worldwide, Inc. | Tissue products having a cooling sensation when contacted with skin |
| WO2014025665A2 (en) * | 2012-08-06 | 2014-02-13 | The Procter & Gamble Company | Folded and lotioned web products |
| FI126174B (en) | 2012-12-04 | 2016-07-29 | Valmet Automation Oy | Measurement of tissue paper |
| JP6188855B1 (en) * | 2016-03-31 | 2017-08-30 | 大王製紙株式会社 | Tissue paper |
| CN106120477A (en) * | 2016-06-28 | 2016-11-16 | 郭迎庆 | A kind of preparation method of slow release medicine carrying paper mulch sheet |
| KR20190116335A (en) | 2017-02-22 | 2019-10-14 | 킴벌리-클라크 월드와이드, 인크. | Laminated tissue comprising non-wood fibers |
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- 2005-04-25 EP EP05741086A patent/EP1751352B1/en not_active Not-in-force
- 2005-04-25 DE DE602005016673T patent/DE602005016673D1/en active Active
- 2005-04-25 MX MXPA06012195A patent/MXPA06012195A/en active IP Right Grant
- 2005-04-25 CA CA2563939A patent/CA2563939C/en not_active Expired - Fee Related
- 2005-04-25 CN CNB2005800128305A patent/CN100567639C/en not_active Expired - Fee Related
- 2005-04-25 JP JP2007509714A patent/JP5118483B2/en not_active Expired - Fee Related
- 2005-04-25 AU AU2005238503A patent/AU2005238503B2/en not_active Ceased
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Also Published As
| Publication number | Publication date |
|---|---|
| AU2005238503B2 (en) | 2008-03-13 |
| AU2005238503A1 (en) | 2005-11-10 |
| JP5118483B2 (en) | 2013-01-16 |
| WO2005106122A1 (en) | 2005-11-10 |
| EP1751352A1 (en) | 2007-02-14 |
| MXPA06012195A (en) | 2007-01-17 |
| CA2563939C (en) | 2012-01-24 |
| JP2007533416A (en) | 2007-11-22 |
| CN1946903A (en) | 2007-04-11 |
| US20050238682A1 (en) | 2005-10-27 |
| CA2563939A1 (en) | 2005-11-10 |
| ATE443181T1 (en) | 2009-10-15 |
| CN1946905A (en) | 2007-04-11 |
| DE602005016673D1 (en) | 2009-10-29 |
| EP1751352B1 (en) | 2009-09-16 |
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