CN103129833A - Band-aid cold-seal package free of natural latex and manufacturing method of band-aid cold-seal package - Google Patents
Band-aid cold-seal package free of natural latex and manufacturing method of band-aid cold-seal package Download PDFInfo
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- CN103129833A CN103129833A CN2013100691645A CN201310069164A CN103129833A CN 103129833 A CN103129833 A CN 103129833A CN 2013100691645 A CN2013100691645 A CN 2013100691645A CN 201310069164 A CN201310069164 A CN 201310069164A CN 103129833 A CN103129833 A CN 103129833A
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Abstract
Disclosed are a band-aid cold-seal package free of natural latex and a manufacturing method of the band-aid cold-seal package. The band-aid cold-seal package free of natural latex comprises a first package sheet and a second package sheet which are opposite to each other and wrap a band-aid. The first package sheet is composed of a first base material and a first base material coating layer, and the second package sheet is composed of a second base material and a second base material coating layer. The band-aid cold-seal package is characterized in that the first base material coating layer is used as a first contact adhesive layer and adhered on the inner side of the first base material; the second base material coating layer consists of a release coating layer and a second contact adhesive layer, wherein the release coating layer is coated at the peripheral edges of the inner side of the second base material, one side of the release coating layer adhered with the second base material is used as an anti-adhesive side, and the second contact adhesive layer is adhered on the other side of the release coating layer opposite to the anti-adhesive side. The band-aid cold-seal package has enough adhering strength and is easy to open, a seal opening of the package has the anti-theft unsealing function, and sterility and using safety of the band-aid in the package are guaranteed.
Description
Technical field
The cold seal that the present invention relates to a kind of medical package field use is packed, and particularly relates to a kind of adhesive bandage cold seal packing that does not contain natural emulsion and preparation method thereof.The adhesive bandage cold seal packing for preparing by the method can be avoided the generation of the potential severe allergic reaction that natural emulsion brings human body, easily opens, and can also antitheftly open.
Background technology
In the prior art, adhesive bandage cold seal packing is comprised of two mutual involutory package panel of packing adhesive bandage, every package panel mainly is comprised of base material and the substrate coating that is coated on base material, base material is by one or more layers plastics, metallic paper, paper product, or its compound is made, substrate coating mainly refers to the cold seal glue composite, and the main component of cold seal glue composite (being substrate coating) comprises the additive (as anti fouling composition, defoamer and stabilizer etc.) of natural emulsion, synthetic resin and 3%～5%.The edge of two involutory package panel is as the sealing of cold seal packing mutually.The sealing of cold seal packing does not need heating and realizes involution by exerting pressure.But in real life, one of main component of cold seal glue composite---natural emulsion exists some shortcomings, and especially answering noticeable is exactly the allergic reaction that natural emulsion can cause some crowd, even produces serious allergic reaction.In addition, natural emulsion also has other shortcomings, comprises because of aging decolouring and producing bad smell.
For this reason, packing technique begins to adopt the defective that synthetic cold seal glue is produced to overcome natural emulsion.US Patent No. 4442259A has illustrated in the cold seal glue of cold seal packing and has adopted water-based polyurethane.US Patent No. 5616400A has described a kind of cold seal packing that does not contain natural emulsion, its package panel adopts same base material, then the package panel doubling is pressed together on the article that will pack with parcel to form a coating together, that is to say, be sealed between same base material and form, and adopt same adhesion agent, like this, the adhesive force between medial surface is identical up and down with base material for adhesive layer, therefore easily causes package panel to be torn when opening the cold seal packing, may pollute the packing content thing at this moment.
Although these patents have given sufficient explanation to the cold seal packing character that adopts synthetic cold seal material, the safety of packaging seal remains needs the factor of consideration emphatically.This point is even more important to the packing of medicine and medical article, because will keep packing the aseptic of interior article.The cold seal packing of above-mentioned patent does not also have the effect of antitheft unpacking, antitheft unpacking refers to the cold seal packing in case be opened, just can not be again between package panel the involution again by exerting pressure easily, and the terminal user will find the evidence of vision and sense of touch aspect, for example cold seal be packaged in the zone that was opened in advance can be wrinkling or curling.But, this with how to open easily cold seal packing joint and form and conflict.Therefore, how to design and a kind ofly have enough bond strengths, easily open and have a problem that the antitheft adhesive bandage cold seal packing that opens function becomes the present invention's research.
Summary of the invention
The object of the invention is to provide a kind of adhesive bandage cold seal packing that does not contain natural emulsion and preparation method thereof, its objective is the convenience that will solve existing adhesive bandage cold seal packing and the safety issue of sealing.
For achieving the above object, the technical scheme that a kind of adhesive bandage cold seal packing that does not contain natural emulsion of the present invention adopts is: this adhesive bandage cold seal packing is comprised of the first mutual involutory package panel and the second package panel that coat adhesive bandage, the first package panel is comprised of the first base material and the first substrate coating of being coated on the first base material medial surface, and the second package panel is comprised of the second base material and the second substrate coating of being coated on edge on the second base material medial surface; Described the first substrate coating contacts the gluing layer and is bonded on the medial surface of described the first base material as first; Described the second substrate coating contacts the gluing layer by release coating with second and forms, wherein, release coating is coated in the edge on the medial surface of described the second base material, the bonding one side of release coating and described the second base material is as adhesive surface, and described the second contact gluing layer is bonded on the relative another side of the adhesive surface on described release coating.
Related content in technique scheme is explained as follows:
1, in such scheme, the medial surface of described the first base material contacts with described first and is covered with a corona layer between the gluing layer.
2, in such scheme, described the first base material and described the second base material can refer to the two different independently base materials in up and down on the structure, also can refer to the two place's different pieces up and down after same plate substrate doubling; If adopt two different independently base materials from material, this two plate substrate can adopt different materials, also can adopt same material.Described base material is preferably sheet material, as paper.Material for the manufacture of base material comparatively it is desirable to high density polyethylene (HDPE) (HDPE), because in the ordinary course of things, it still can keep stable when adopting as the gamma ray sterilization under higher damp condition, and it is more inexpensive to compare other materials.
3, in such scheme, " not containing natural emulsion " of the present invention refers to a kind of contact adhesive that does not add natural rubber.Described contact adhesive is to comprise 1,000,000/or lower natural emulsion ideally, more preferably contains part per billion or lower, and shows the characteristic of contact adhesive hereinafter described.
4, in such scheme, in order to improve the adhesiveness of contact adhesive and base material, can be covered with a corona layer on the medial surface of described the first base material, the technique that the medial surface of processing the first base material adopts is corona treatment technique preferably.
For achieving the above object, the technical scheme that a kind of preparation method who does not contain the adhesive bandage cold seal packing of natural emulsion of the present invention adopts is: comprise the following steps at least:
The first step, coating one deck contact adhesive on a surface of the first base material, this contact adhesive forms the first contact gluing layer on described the first base material;
Second step, at a surperficial edge coating peel-coat compositions of the second base material, this peel-coat compositions forms release coating on described the second base material, and the bonding one side of release coating and described the second base material is as adhesive surface;
The 3rd step, coating one deck contact adhesive on the another side relative with the adhesive surface of release coating, this contact adhesive forms the second contact gluing layer on described the second base material;
In the 4th step, by the preparation in above three steps, described the first base material contacts the gluing layer and forms the first package panel with first, and described the second base material contacts the gluing layer and forms the second package panel with second; Adhesive bandage is placed in the central authorities on the coating cated surface of described the first package panel or the second package panel, again that described the first package panel and the second package panel is mutually involutory, make the first contact gluing layer contact the gluing layer with second and contact at the temperature that is less than or equal to 50 ° of C, be bonded with each other together until the first contact gluing layer contacts the gluing layer with second;
The material of the material of described the first base material and the second base material adopts paper or high density polyethylene (HDPE);
The material of described contact adhesive is selected from any one and the above in any proportion the compound both or both arbitrarily in poly-meric 2-chlorobutadiene, polyurethane, styrene-isoprene copolymer, polyimide, polyvinylchloride, nitrocellulose, polyisoprene;
The material of described peel-coat compositions is selected from any one and the above in any proportion the compound both or both arbitrarily in ethyl acrylate-acrylonitrile copolymer, acrylic acid-alkyl acrylate copolymer, Vinyl chloride resin, polysiloxane, polyvinyl ester, polyethyleneimine.
1, in such scheme, described the first contact gluing layer contact material that the gluing layer adopts for contacting adhesive with described second, what the contact adhesive that does not contain natural emulsion and second that the first contact gluing layer uses contacted the use of gluing layer may be identical contact adhesive, also may be different types.Best is, the contact adhesive has the open hour at least about 24 hours when about 50 ° of C or lower temperature.Indication of the present invention it " contact adhesive " (also referred to as cold seal glue) be a kind of under the effect of pressure and the temperature (as need not to maintain the temperature at 50 ° more than C) that need not to raise be best suited for self-adhesion or with the stick type of the similar material binding of other chemical analysis.Different from pressure sensitive adhesive, bonding or slight bonding generally do not occur with the different material of chemical analysis in the contact adhesive in the range of temperatures of 15 ° of C～50 ° C.Therefore, the contact adhesive generally can not block, reseals or be stained with the content that is placed in the cold seal packing in ideal conditions.When opposite one another, the exerting pressure of contact adhesive General Requirements appropriateness (as pressing with finger) is with in the situation that the temperature formation that do not raise is bonding.That is to say, packing can be carried out involution under room temperature (namely approximately 20 ° of C～30 ° C) or lower temperature, also can carry out involution when about 50 ° of above temperature of C, as long as the product of packaging is to such temperature-insensitive.Described the first contact gluing layer contact with described second the contact adhesive that does not contain natural emulsion that the gluing layer adopts optionally other additives comprise the known additive that can be used for adhesive composition of ultraviolet absorbent, antioxidant, viscosity modifier and other present technique.
2, in such scheme, described release coating comprises the polymeric material of tool peel property or the compound of material.In peel-coat compositions, available other additives can comprise the known additive that can be used for peel-coat compositions of ultraviolet absorbent, antioxidant, viscosity modifier and other present technique.
3, in such scheme, in the first step, first the surface of the first base material is carried out corona treatment and form the corona layer, then coating one deck contacts adhesive on the surface of corona layer.Adopt Corona discharge Treatment PROCESS FOR TREATMENT thin polymer film to produce certain character of surface, as adhesiveness, generally will relate to film surface is carried out Electrostatic Treatment.Particularly, in the corona treatment process, intend processing material and be exposed under aerial discharge, its ionized space only limits to around active electrode.Be to exchange (bipolar) stream of pulses corona for the concrete corona type of using of improving polymer surfaces, its characteristics are to have at least one to be coated with dielectric material in two metal electrodes.Intending processing material generally is placed on earth electrode.Corona treatment technique of the present invention can be any typical corona treatment technique, as nitrogen corona, corona in air, oxygen corona, halogen corona etc.But best corona treatment technique is corona in air to be processed.Generally, the energy of corona consumption is at least approximately 0.1 joule/sq cm, and the best is 0.3 ~ 1.0 joule/sq cm.
Principle of design of the present invention and beneficial effect thereof are: the invention provides a kind of adhesive bandage cold seal packing that does not contain natural emulsion.The structure of cold seal packing mainly is comprised of the first mutual involutory package panel and the second package panel that coat adhesive bandage, the first package panel is comprised of the first base material and the first substrate coating of being coated on the first base material medial surface, and the second package panel is comprised of the second base material and the second substrate coating of being coated on the second base material medial surface; Described the first base material and described the second base material can refer to the two different independently base materials in up and down on structure, also can refer to the two place's different pieces up and down after same plate substrate doubling, preferably form the covering of a sealing to be used for the packing of article, the hermetic unit of package panel can be easily and is peeled off nattily and can not cause substantial infringement to base material.Because the medial surface of release coating between the second base material contacts between the gluing layer with second, release coating is also the part of package encapsulation, the hermetic unit of package panel must not seal or involution after being stripped from again, has so just formed the cold seal layer that can't again carry out involution.In the prior art, the lateral surface that release coating is used in the base material that scribbles contact adhesive blocks when rolling is deposited to prevent base material, and become in the present invention the part (being cold seal) of package encapsulation due to release coating, the integraty that can need not by the sealing surface of strip off base material to destroy base material is unpacked, this means after sealing first, open and again hermetic unit being meshed, will need very little power when again unpacking.Adhesion property between the first contact gluing layer and the first base material medial surface is greater than the adhesion property between the second adherent surfaces that contacts on gluing layer and the second base material, therefore can not cause substantial infringement to base material when two package panel unpackings, guarantee cleaning and the safety of adhesive bandage in the packing.Situation is preferably, the first package panel and the second package panel is peeled off and after the cold seal packing was opened, the contact adhesive that does not contain natural emulsion almost all was retained on the medial surface of the first base material.Best situation is, the first base material and the second base material peeled off and after the cold seal packing was opened, described release coating was retained on the contact gluing layer that does not contain natural emulsion at least in part, just can not carry out cold seal at the after-applied pressure of unpacking so again.Therefore, adhesive bandage cold seal packing of the present invention has enough bond strengths, easily opens again, and packaging seal has antitheft unpacking function, has guaranteed the aseptic of the interior adhesive bandage of packing and the safety of use.
Description of drawings
Accompanying drawing 1 is the schematic diagram of cold seal packing of the present invention without the first package panel of involution;
Accompanying drawing 2 is the schematic diagram of cold seal packing of the present invention without the second package panel of involution;
Accompanying drawing 3 is the cross-sectional schematic of the cold seal packing of part involution of the present invention;
Accompanying drawing 4 for cold seal of the present invention packing coat adhesive bandage the cross-sectional schematic that partially opens;
Accompanying drawing 5 is the cross-sectional schematic that the cold seal through involution of the embodiment of the present invention two is packed.
In above accompanying drawing: 1, the first package panel; 2, the second package panel; 3, the first base material; 4, the second base material; 5, the first contact gluing layer; 6, the second contact gluing layer; 7, release coating; 8, corona layer; 9, adhesive bandage.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
Embodiment one: a kind of adhesive bandage cold seal packing that does not contain natural emulsion and preparation method thereof
Extremely shown in Figure 4 referring to Fig. 1, this adhesive bandage cold seal packing is comprised of the first mutual involutory package panel 1 and the second package panel 2 that coat adhesive bandage 9, the first package panel 1 is comprised of the first base material 3 and the first substrate coating of being coated on the first base material 3 medial surfaces, and the second package panel 2 is comprised of the second base material 4 and the second substrate coating of being coated on edge on the second base material 4 medial surfaces; Described the first substrate coating contacts gluing layer 5 and is bonded on the medial surface of described the first base material 3 as first; Described the second substrate coating contacts gluing layer 6 by release coating 7 with second and forms, wherein, release coating 7 is coated in the edge on the medial surface of described the second base material 4, the bonding one side of release coating 7 and described the second base material 4 is as adhesive surface, and described the second contact gluing layer 6 is bonded on the relative another side of the adhesive surface on described release coating 7.
The medial surface of described the first base material 3 contacts with described first and is covered with a corona layer 8 between gluing layer 5.
Described the first base material 3 and described the second base material 4 can refer to the two different independently base materials in up and down on the structure, also can refer to the two place's different pieces up and down after same plate substrate doubling; If adopt two different independently base materials from material, this two plate substrate can adopt different materials, also can adopt same material.The first base material 3 in the present embodiment and the second base material 4 refer to the two different independently base materials in up and down.The material selection paper of described base material.
Described the first contact gluing layer 5 contact the material that gluing layer 6 adopts and is the contact adhesive with described second, what the contact adhesive that does not contain natural emulsion and second that the first contact gluing layer 5 uses contacted 6 use of gluing layer is identical contact adhesive.Wherein, " " the contact adhesive that refers to the present embodiment does not add natural rubber not contain natural emulsion.The contact adhesive has the open hour at least about 24 hours when about 50 ° of C or lower temperature.Indication of the present invention it " contact adhesive " (also referred to as cold seal glue) be a kind of under the effect of pressure and the temperature (as need not to maintain the temperature at 50 ° more than C) that need not to raise be best suited for self-adhesion or with the stick type of the similar material binding of other chemical analysis.When opposite one another, the exerting pressure of contact adhesive General Requirements appropriateness (as pressing with finger) is with in the situation that the temperature formation that do not raise is bonding.That is to say, packing can be carried out involution under room temperature (namely approximately 20 ° of C～30 ° C) or lower temperature, also can carry out involution when about 50 ° of above temperature of C, as long as the product of packaging is to such temperature-insensitive.Described the first contact gluing layer 5 contacts the contact adhesive that does not contain natural emulsion that gluing layer 6 adopts with described second material all adopts the soluble polyurethane dispersion, and other additives comprise the known additive that can be used for adhesive composition of ultraviolet absorbent, antioxidant, viscosity modifier and other present technique.Shown in Figure 3, exert pressure with the second package panel 2 that scribbles the second substrate coating to the first package panel 1 that scribbles the first substrate coating, as shown by arrow A, the first contact gluing layer 5 that does not contain like this natural emulsion contacts gluing layer 6 with second and just can engage one another together.
Described release coating 7 comprises the polymeric material of tool peel property or the compound of material.Release coating 7 material selection water soluble polyamide dispersions, available other additives can comprise ultraviolet absorbent, antioxidant, viscosity modifier.
In order to improve the adhesiveness of contact adhesive and base material, be covered with a corona layer 8 on the medial surface of described the first base material 3, the technique that the medial surface of processing the first base material 3 adopts is corona treatment technique.Adopt Corona discharge Treatment PROCESS FOR TREATMENT thin polymer film to produce certain character of surface, as adhesiveness, generally will relate to substrate surface is carried out Electrostatic Treatment.Particularly, in the corona treatment process, intend processing material and be exposed under aerial discharge, its ionized space only limits to around active electrode.Be to exchange (bipolar) stream of pulses corona for the concrete corona type of using of improving polymer surfaces, its characteristics are to have at least one to be coated with dielectric material in two metal electrodes.Intending processing material generally is placed on earth electrode.The corona treatment technique that the present embodiment adopts is that corona in air is processed.Generally, the energy of corona consumption is at least approximately 0.1 joule/sq cm, and the best is 0.3 ~ 1.0 joule/sq cm.
The preparation method who does not contain the adhesive bandage cold seal packing of natural emulsion comprises the following steps at least:
The first step, coating one deck contact adhesive on a surface of the first base material 3, this contact adhesive forms the first contact gluing layer 5 on described the first base material 3;
Second step, at a surperficial edge coating peel-coat compositions of the second base material 4, this peel-coat compositions forms release coating 7 on described the second base material 4, and the bonding one side of release coating 7 and described the second base material 4 is as adhesive surface;
The 3rd step, coating one deck contact adhesive on the another side relative with the adhesive surface of release coating 7, this contact adhesive forms the second contact gluing layer 6 on described the second base material 4;
In the 4th step, by the preparation in above three steps, described the first base material 3 contacts gluing layer 5 and forms the first package panel 1 with first, and described the second base material 4 contacts gluing layer 6 and forms the second package panel 2 with second; Adhesive bandage 9 is placed in the central authorities on the coating cated surface of described the first package panel 1 or the second package panel 2, again that described the first package panel 1 and the second package panel 2 is mutually involutory, make the first contact gluing layer 5 contact gluing layer 6 with second and contact at the temperature that is less than or equal to 50 ° of C, be bonded with each other together until the first contact gluing layer 5 contacts gluing layer 6 with second;
Wherein, in the first step, first the surface of the first base material 3 is carried out corona treatment and form corona layer 8, then coating one deck contacts adhesive on the surface of corona layer 8.
The present embodiment principle of work is: because the medial surface of release coating 7 between the second base material 4 contacts between gluing layer 6 with second, release coating 7 is also the part of package encapsulation, the first package panel 1 and the second package panel 2 are peeled off and after the cold seal packing is opened, the contact adhesive that does not contain natural emulsion almost all is retained on the medial surface of the first base material 3, described release coating 7 is retained on the contact gluing layer that does not contain natural emulsion at least in part, so just form the cold seal layer that can't again carry out involution, just can not carry out again cold seal at the after-applied pressure of unpacking.Shown in Figure 4, the cold seal packing that Fig. 4 is illustrated in involution applies the peeling force of direction as shown by arrow B when breaking seal, and this moment, release coating 7 was retained on the second contact gluing layer 6.In the prior art, the lateral surface that release coating 7 is used in the base material that scribbles contact adhesive blocks when rolling is deposited to prevent base material, and become in the present invention the part (being cold seal) of package encapsulation due to release coating 7, the integraty that can need not by the sealing surface of strip off base material to destroy base material is unpacked, this means after sealing first, open and again hermetic unit being meshed, will need very little power when again unpacking.Adhesion property between the first contact gluing layer 5 and the first base material 3 medial surfaces is greater than the adhesion property between the second adherent surfaces that contacts on gluing layer 6 and the second base material 4, therefore can not cause substantial infringement to base material when two package panel unpackings, guarantee cleaning and the safety of adhesive bandage 9 in the packing.Therefore, adhesive bandage cold seal packing of the present invention has enough bond strengths, easily opens again, and packaging seal has the antitheft function that opens, and has guaranteed the aseptic of the interior adhesive bandage 9 of packing and the safety of use.
Embodiment two: a kind of adhesive bandage cold seal packing that does not contain natural emulsion and preparation method thereof
Shown in Figure 5, this adhesive bandage cold seal packing is comprised of the first mutual involutory package panel 1 and the second package panel 2 that coat adhesive bandage 9, the first package panel 1 is comprised of the first base material 3 and the first substrate coating of being coated on the first base material 3 medial surfaces, and the second package panel 2 is comprised of the second base material 4 and the second substrate coating of being coated on edge on the second base material 4 medial surfaces; Described the first substrate coating contacts gluing layer 5 and is bonded on the medial surface of described the first base material 3 as first; Described the second substrate coating contacts gluing layer 6 by release coating 7 with second and forms, wherein, release coating 7 is coated in the edge on the medial surface of described the second base material 4, the bonding one side of release coating 7 and described the second base material 4 is as adhesive surface, and described the second contact gluing layer 6 is bonded on the relative another side of the adhesive surface on described release coating 7.The first base material 3 in the present embodiment and the second base material 4 refer to the two place's different pieces up and down after same plate substrate doubling.The material selection high density polyethylene (HDPE) of described base material.
Described the first contact gluing layer 5 contact the material that gluing layer 6 adopts and is the contact adhesive with described second, what the contact adhesive that does not contain natural emulsion and second that the first contact gluing layer 5 uses contacted 6 use of gluing layer is identical contact adhesive.Wherein, " " the contact adhesive that refers to the present embodiment does not add natural rubber not contain natural emulsion.Described the first contact gluing layer 5 contacts the contact adhesive that does not contain natural emulsion that gluing layer 6 adopts with described second material all adopts the compound of water-soluble poly chlorobutylene and polyurethane, and other additives comprise ultraviolet absorbent, antioxidant, viscosity modifier.
Described release coating 7 comprises the polymeric material of tool peel property or the compound of material.Release coating 7 material selection water soluble polyamide dispersions, available other additives can comprise ultraviolet absorbent, antioxidant, viscosity modifier.
In the preparation method of this example adhesive bandage cold seal packing, except the surface of the first base material 3 is carried out this step of corona treatment, other concrete preparation processes are all identical with embodiment one.
Above-described embodiment only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow person skilled in the art scholar can understand content of the present invention and implement according to this, can not limit protection scope of the present invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (4)
1. an adhesive bandage cold seal that does not contain natural emulsion is packed, formed by mutual involutory the first package panel (1) and the second package panel (2) that coat adhesive bandage (9), the first package panel (1) is comprised of the first base material (3) and the first substrate coating of being coated on the first base material (3) medial surface, the second package panel (2) is comprised of the second base material (4) and the second substrate coating of being coated on edge on the second base material (4) medial surface, it is characterized in that: described the first substrate coating contacts gluing layer (5) and is bonded on the medial surface of described the first base material (3) as first, described the second substrate coating is contacted gluing layer (6) and forms with second by release coating (7), wherein, release coating (7) is coated in edge on the medial surface of described the second base material (4), the bonding one side of release coating (7) and described the second base material (4) is as adhesive surface, and described the second contact gluing layer (6) is bonded on the relative another side of the adhesive surface on described release coating (7).
2. a kind of adhesive bandage cold seal that does not contain natural emulsion according to claim 1 is packed, and it is characterized in that: the medial surface of described the first base material (3) contacts with described first and is covered with a corona layer (8) between gluing layer (5).
3. the preparation method of an adhesive bandage cold seal packing that does not contain natural emulsion is characterized in that: comprise the following steps at least:
The first step, at the upper coating in surface one deck contact adhesive of the first base material (3), this contact adhesive is at the upper first contact gluing layer (5) that forms of described the first base material (3);
Second step, a surperficial edge coating peel-coat compositions at the second base material (4), this peel-coat compositions is at the upper release coating (7) that forms of described the second base material (4), and the bonding one side of release coating (7) and described the second base material (4) is as adhesive surface;
The 3rd step, coating one deck contact adhesive on the another side relative with the adhesive surface of release coating (7), this contact adhesive is at the upper second contact gluing layer (6) that forms of described the second base material (4);
In the 4th step, by the preparation in above three steps, described the first base material (3) contacts gluing layer (5) and forms the first package panel (1) with first, and described the second base material (4) contacts gluing layer (6) and forms the second package panel (2) with second; Adhesive bandage (9) is placed in the central authorities on the coating cated surface of described the first package panel (1) or the second package panel (2), again that described the first package panel (1) and the second package panel (2) is mutually involutory, make the first contact gluing layer (5) contact gluing layer (6) with second and contact at the temperature that is less than or equal to 50 ° of C, be bonded with each other together until the first contact gluing layer (5) contacts gluing layer (6) with second;
Wherein, the material of the material of described the first base material (3) and the second base material (4) adopts paper or high density polyethylene (HDPE);
The material of described contact adhesive is selected from any one and the above in any proportion the compound both or both arbitrarily in poly-meric 2-chlorobutadiene, polyurethane, styrene-isoprene copolymer, polyimide, polyvinylchloride, nitrocellulose, polyisoprene;
The material of described peel-coat compositions is selected from any one and the above in any proportion the compound both or both arbitrarily in ethyl acrylate-acrylonitrile copolymer, acrylic acid-alkyl acrylate copolymer, Vinyl chloride resin, polysiloxane, polyvinyl ester, polyethyleneimine.
4. the preparation method of a kind of adhesive bandage cold seal packing that does not contain natural emulsion according to claim 3, it is characterized in that: in the first step, first the surface of the first base material (3) is carried out corona treatment and form corona layer (8), then coating one deck contacts adhesive on the surface of corona layer (8).
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| CN2013100691645A CN103129833A (en) | 2013-03-05 | 2013-03-05 | Band-aid cold-seal package free of natural latex and manufacturing method of band-aid cold-seal package |
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| CN2013100691645A CN103129833A (en) | 2013-03-05 | 2013-03-05 | Band-aid cold-seal package free of natural latex and manufacturing method of band-aid cold-seal package |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104725589A (en) * | 2015-03-05 | 2015-06-24 | 上海强睿博化工有限公司 | Novel self-adhesive waterborne polyurethane dispersion material |
| CN108070057A (en) * | 2018-01-13 | 2018-05-25 | 宏峰行化工(深圳)有限公司 | A kind of polyethyleneimine acrylonitrile condensation product and modified water-soluble adhesive |
| CN109677765A (en) * | 2018-11-08 | 2019-04-26 | 成都工贸职业技术学院 | A kind of logistics packaging bag |
| CN112545754A (en) * | 2019-12-06 | 2021-03-26 | 苏州恒星医用材料有限公司 | Method for manufacturing silica gel adhesive bandage |
| CN113490631A (en) * | 2019-02-28 | 2021-10-08 | 3M创新有限公司 | Package and packaging method |
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| CN104725589A (en) * | 2015-03-05 | 2015-06-24 | 上海强睿博化工有限公司 | Novel self-adhesive waterborne polyurethane dispersion material |
| CN108070057A (en) * | 2018-01-13 | 2018-05-25 | 宏峰行化工(深圳)有限公司 | A kind of polyethyleneimine acrylonitrile condensation product and modified water-soluble adhesive |
| CN108070057B (en) * | 2018-01-13 | 2019-02-05 | 宏峰行化工(深圳)有限公司 | A kind of polyethyleneimine acrylonitrile condensation product and modified water-soluble adhesive |
| CN109677765A (en) * | 2018-11-08 | 2019-04-26 | 成都工贸职业技术学院 | A kind of logistics packaging bag |
| CN113490631A (en) * | 2019-02-28 | 2021-10-08 | 3M创新有限公司 | Package and packaging method |
| CN112545754A (en) * | 2019-12-06 | 2021-03-26 | 苏州恒星医用材料有限公司 | Method for manufacturing silica gel adhesive bandage |
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Application publication date: 20130605 |