CN102230256A - Elastic non-woven fabric, production method thereof and elastic product - Google Patents
Elastic non-woven fabric, production method thereof and elastic product Download PDFInfo
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- CN102230256A CN102230256A CN2011101475729A CN201110147572A CN102230256A CN 102230256 A CN102230256 A CN 102230256A CN 2011101475729 A CN2011101475729 A CN 2011101475729A CN 201110147572 A CN201110147572 A CN 201110147572A CN 102230256 A CN102230256 A CN 102230256A
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Abstract
The invention discloses an elastic non-woven fabric, a production method thereof and an elastic product. The production method comprises the steps of: sequentially performing alkali liquid processing and post-processing for a compound non-woven fabric, or sequentially performing the alkali liquid processing and the post-processing for a general non-woven fabric and compounding with an elastic object to obtain the elastic non-woven fabric; the material of the compound non-woven fabric contains compound fibres; compound matrixes of the compound fibres include cellulose fibres and elastic fibres; and the material of the general non-woven fabric contains cellulose fibres. The elastic non-woven fabric containing the cellulose fibres, produced by the invention, has elasticity and shape memory, and has the advantages of good ventilation and difficult ball formation, so that the quality of the elastic non-woven fabric or the elastic product is improved; and the application field of the cellulose fibres is widened; for example, the elastic non-woven fabric can be used for producing medical dressings, such as elastic bondages and the like, for producing elastic materials, such as elastic belts and the like, and for producing semi-durable and durable clothes.
Description
Technical field
The present invention relates to non-weaving cloth and manufacture the field, particularly, relate in particular to a kind of non-manufacturing cloth of manufacture method, elasticity and elastic article of elastic non-woven.
Background technology
In the prior art, elastic non-woven adopts synthetic fiber to be main body or all to adopt synthetic fiber manufacturing.The production of elastic non-woven can reduce following two kinds of approach.Approach one, with the synthetic fiber non-weaving cloth, or synthetic fiber fibre bundle etc. and elastic membrane, or elastic network(s) etc. is combined with each other, thereby obtains to have certain flexible non-weaving cloth; Approach two tangles the spandex of single component or many components through shredding, mixing, combing, lapping, water thorn or acupuncture, or again through heat treatment etc., makes elastic non-woven.Though adopt above-mentioned two kinds of approach all can make elastic non-woven, but in above-mentioned two kinds of approach elastic non-woven all need all to adopt or main body to adopt synthetic fiber be raw material, two kinds of neither living beings sustainability raw materials (as cellulose fibre) that are applicable to of approach, therefore this has limited the application as cellulose fibre to a certain extent.
Cellulose fibre is a living beings sustainability raw material, and it has recyclability, sustainability, and characteristics such as easy Natural Degradation are the green natural fiber.And cotton fiber is a most important fiber in the cellulose fibre, and it has the advantages of good skin contact, sensitization not, physiological safety, moisture absorption good, comfortable and easy to wear with and the not available excellent specific property of a series of synthetic fiber such as the easy Natural Degradation of goods.Thereby be that the non-weaving cloth that raw material is made has obtained application in fields such as medical care, amenities, cosmetic product with cotton fiber or other cellulose fibre.But because cellulose fibre is nonelastic, with the cellulose fibre to be that the non-weaving cloth of raw material production exists nonelastic, amorphism Memorability, gas permeability difference and easy taking problem such as pilling, this has limited it to a great extent in the further application in above-mentioned field, has also limited it in the application of other field.
Summary of the invention
The main technical problem to be solved in the present invention is, a kind of manufacture method of elastic non-woven is provided, elastic non-woven and elastic article, can widen the Application Areas of cellulose fibre, thereby the speciality that makes full use of cellulose fibre improves the quality of elastic non-woven or elastic article, for elastic non-woven provides a kind of new implementation.
For solving the problems of the technologies described above, the present invention has adopted following technical scheme:
A kind of manufacture method of elastic non-woven may further comprise the steps:
Composite non-weaving cloth carried out successively alkali lye is handled and post processing, perhaps common non-weaving cloth is carried out successively that alkali lye is handled, post processing is compound with the elasticity thing again, obtain elastic non-woven;
The material of described composite non-weaving cloth comprises composite fibre, and the complex matrix of described composite fibre comprises cellulose fiber peacekeeping elastomer, and the material of described common non-weaving cloth comprises cellulose fibre.
In an embodiment of the present invention, the complex matrix of described composite fibre also comprises the 3rd fibrid.
In an embodiment of the present invention, the material of described common non-weaving cloth also comprises the 3rd fibrid.
In an embodiment of the present invention, described cellulose fibre comprises at least a in cotton fiber, flax fibre, day silk, viscose or the Modal fibre.
In an embodiment of the present invention, described elasticity thing comprises at least a in elastomer, elastic membrane, elastic network(s), the elastic layer.
In an embodiment of the present invention, in described elastic non-woven, the weight ratio of described cellulose fibre is 60%～90%, and the weight ratio of described elastomer or elasticity thing is 10%～40%.
In an embodiment of the present invention, described alkali lye is handled and is comprised following substep:
Described composite non-weaving cloth/common non-weaving cloth is under control or the free state;
Then described composite non-weaving cloth/common non-weaving cloth is immersed in the alkali lye, or spray alkali lye on described composite non-weaving cloth/common non-weaving cloth.
In an embodiment of the present invention, obtain elastic non-woven after, for obtaining the elastic non-woven of certain elasticity, also comprise following substep:
The described elastic non-woven that obtains is under control or the free state;
Then described elastic non-woven being carried out flexible adjustment handles.
Simultaneously, the present invention also provides a kind of elastic non-woven, this elastic non-woven is made by above-mentioned described either party's method, described elastic non-woven comprises composite fibre or the cellulose fibre of handling through alkali lye, the complex matrix of described composite fibre comprises cellulose fiber peacekeeping elastomer, and described composite fibre or cellulose fibre are swelling state.
In addition, the present invention also provides a kind of elastic article, and described elastic article is made by above-mentioned elastic non-woven.
The invention has the beneficial effects as follows: adopted composite non-weaving cloth is carried out alkali lye processing and post processing successively, perhaps common non-weaving cloth being carried out alkali lye successively handles, post processing is compound with the elasticity thing again, obtain the technological process of elastic non-woven, because the material of composite non-weaving cloth comprises composite fibre, and the complex matrix of composite fibre comprises cellulose fiber peacekeeping elastomer, and the material of common non-weaving cloth comprises cellulose fibre, utilize the elastic non-woven of the cellulose fiber that above-mentioned manufacture method makes, not only have elasticity and shape memory, but also has good gas permeability, be difficult for advantages such as pilling, thereby improved the quality of elastic non-woven or elastic article, widened the Application Areas of cellulose fibre, for example, this elastic non-woven can be used for making medical dressing such as elastic bands, make the elastic webbing elastomeric material, make partly durable, durable clothes etc.
Figure of description
Shown in Figure 1 is the manufacture method flow chart of an embodiment of the present invention;
Shown in Figure 2 is the manufacture method flow chart of the another kind of embodiment of the present invention;
The cross sectional representation of the cellulose fibre that shown in Figure 3 is handles through alkali lye in an embodiment of the present invention;
The cross sectional representation of the cellulose fibre that shown in Figure 4 is handles without alkali lye.
The specific embodiment
Below by the specific embodiment the present invention is described in further detail.
In the technology of existing manufacturing elastic non-woven, elastic non-woven can only be selected synthetic fiber manufacturing for use; And it is inapplicable for cellulose fibre with advantages such as excellent taking, green renewable, easy degradeds; And existing with the cellulose fibre to be that the non-weaving cloth of raw material production exists nonelastic, amorphism Memorability, gas permeability difference and easy durability problem such as pilling, and this has limited the Application Areas of cellulose fibre to a great extent.At this technical problem, the present invention proposes a kind of manufacture method, elastic non-woven and elastic article of elastic non-woven.
For solving the problems of the technologies described above, the present invention has adopted following technical scheme:
A kind of manufacture method of elastic non-woven may further comprise the steps:
Composite non-weaving cloth carried out successively alkali lye is handled and post processing, perhaps common non-weaving cloth is carried out successively that alkali lye is handled, post processing is compound with the elasticity thing again, obtain elastic non-woven;
Wherein, need to prove that the material of composite non-weaving cloth comprises composite fibre, the complex matrix of composite fibre comprises cellulose fiber peacekeeping elastomer; And the material of common non-weaving cloth comprises cellulose fibre.
When the material of composite non-weaving cloth is composite fibre, the flow process of its manufacture method as shown in Figure 1:
S1, cellulose fiber peacekeeping elastomer is mixed into composite fibre;
S2, the composite fibre that forms is become the cloth PROCESS FOR TREATMENT through non-weaving cloth, obtain composite non-weaving cloth.
S3, the composite non-weaving cloth that forms is carried out alkali lye handle;
Behind S4, the certain hour, the composite non-weaving cloth after alkali lye is handled is carried out post processing, can obtain elastic non-woven;
When the material of common non-weaving cloth is cellulose fibre, the flow process of its manufacture method as shown in Figure 2:
S01, cellulose fibre is handled through nonwoven process, obtained common non-weaving cloth;
S02, the common non-weaving cloth that will obtain carry out alkali lye to be handled;
Behind S03, the certain hour, the common non-weaving cloth after alkali lye is handled is carried out post processing;
S04, common non-weaving cloth and elasticity thing that will be after post processing be compound, thereby can obtain elastic non-woven.Wherein common non-weaving cloth and elastomer recombination process can for: common non-weaving cloth is under freedom or the state of a control, by physical entanglement or chemical adhesion mode should common non-weaving cloth and elastomer, elastic network(s) or elastic membrane be combined with each other, form elastic non-woven.
Among the step S1 of method shown in Figure 1, the complex matrix of composite fibre is not limited to cellulose fiber peacekeeping elastomer.For example, in an embodiment of the present invention, the constituent of complex matrix also comprises the 3rd fibrid, and the 3rd fibrid is other fibrid of removing cellulose fiber peacekeeping elastomer, for example chemical fibre, synthetic fiber etc.In addition, by cellulose fiber peacekeeping elastomer, perhaps the shape of cellulose fibre, elastomer and the composite composite fibre of the 3rd fibrid can be composite fiber web, bundle of composite fibers or composite fibre layer etc., certainly, and also other shape that can present for composite fibre.
Similarly, among the step S01 of method shown in Figure 2, the material of common non-weaving cloth comprises cellulose fibre, but is not limited to cellulose fibre.For example, in an embodiment of the present invention, the material of common non-weaving cloth also comprises the 3rd fibrid.Wherein, the 3rd fibrid is other fibrid of removing cellulose fiber peacekeeping elastomer, for example chemical fibre, synthetic fiber etc.
Among the step S04 of method shown in Figure 2, can have a variety of with the kind of the compound elasticity thing of common non-weaving cloth.For example, in an embodiment of the present invention, with the compound elasticity thing of common woven cloths can be in elastomer, elastic membrane, elastic network(s), the elastic layer at least a, also can be above-mentioned several combination.
Cellulose fibre of the present invention comprises a variety of fibers, when for example adopting above-mentioned two kinds of methods to make elastic non-woven, can select as in cotton fiber, flax fibre, day silk, viscose or the Modal fibre any one.Be understandable that, when adopting said method to make elastic non-woven, also can select other cellulose fibre for use.And for elastomer, then can select to have certain thermoplastic elastic fiber, for example short-staple such as spandex, PTT, PBT, high elasticity PET, high elasticity PA6 or PA66 or wool type fiber etc.
In addition, in the elastic non-woven that the present invention obtains, though the weight ratio of each component is unfixing, it is compound preferably to adopt certain weight ratio to carry out.For example, in one embodiment, the weight ratio of the cellulose fibre in the elastic non-woven is 60%～90%, and the weight ratio of elastomer/elasticity thing is 10%～40%, and surplus can be the 3rd fibrid.That is to say, if the weight ratio sum of cellulose fibre and elastomer/elasticity thing is 100% o'clock in the non-manufacturing cloth of elasticity, then do not comprise the 3rd fibrid in the non-manufacturing cloth of elasticity, if the weight ratio sum of cellulose fibre and elastomer/elasticity thing then comprised the 3rd fibrid less than 100% o'clock in the elastic non-woven.
It is a variety of that the above two kinds of non-weaving cloths of the present invention become the mode of cloth PROCESS FOR TREATMENT to have, and for example, can comprise modes such as acupuncture, water thorn or heat bonding, certainly, comprises that also other non-weaving cloth becomes cloth technology.
In the present invention, the step of alkali lye processing specifically can comprise:
At first, composite non-weaving cloth/common non-weaving cloth is under control or the free state according to concrete needs;
Then composite non-weaving cloth/common non-weaving cloth is immersed in the alkali lye, or spray alkali lye on composite non-weaving cloth/common non-weaving cloth.
The purpose of carrying out the alkali lye processing is to regulate the elastic performance of composite non-weaving cloth/common non-weaving cloth.This is because behind composite non-weaving cloth/common non-weaving cloth chance alkali lye, cellulose fibre on it is swelling all significantly, fabric significantly felting, the song that becomes shrinks, this song that becomes is punctured into and obtains elasticity and stayed the space, can control shrinkage degree by the state of control composite non-weaving cloth/common non-weaving cloth.Handle by alkali lye, can carry out flexible adjustment well, and can so that to elastic non-woven have good gas permeability and shape memory, and be difficult for advantage such as pilling.
Wherein, the alkali lye of selecting for use can be that concentration range is 10%～40% NaOH or KOH solution, in alkali lye, can also be aided with promoter such as urea or thiocarbamide, can obtain good effect to guarantee that alkali lye is handled.
And the mode of post processing is specifically as follows: remove the alkali lye on the composite non-weaving cloth/common non-weaving cloth after alkali lye is handled as much as possible, again with this composite non-weaving cloth/common non-weaving cloth is washed successively, removal of impurities, with the alkali lye that further removal may exist on it, dry processing at last again.The purpose of post processing is to remove impurity as far as possible and obtain required flexible elastic non-woven.And, must be after composite non-weaving cloth/common non-weaving cloth carries out alkali lye processing certain hour, just can carry out post processing.
Further, make after the elastic non-woven by above-mentioned manufacture method, for obtaining the elastic non-woven of certain elasticity, then also need the elastic non-woven that makes is further processed, concrete mode is:
The elastic non-woven that makes is under control or the free state;
Elastic non-woven is carried out flexible adjustment handle, specifically can select heat treatment for use, be about to this elastic non-woven and be placed on processing 10S～120S under uniform temperature (140 ℃～220 ℃), so, can be met the elastic non-woven of demand.
In an embodiment of the present invention, the step of manufacturing elastic non-woven is specially:
(1) with 70% cotton fiber after grabbing cotton, opening or cleaning and handling, mix with 30% cotton type ptt fiber again, become composite fiber web through carding machine again;
(2) with the composite fiber web that forms through water jet process, make composite non-weaving cloth;
(3) alkali lye is handled, and behind the composite non-weaving cloth squezzing band water of making 80%, it is immersed 30S in the alkali lye of 40%NaOH, after roll except that alkali lye;
(4) after alkali lye was removed in post processing, washing neutralization, zero overfeeding did not laterally have and stretches down again, with removing the work of living in through 170 ℃ of drying and shaping of setting machine, elastic non-woven.
By above-mentioned steps, can obtain the elastic non-woven of characteristic elasticity.
Simultaneously, the invention also discloses a kind of elastic non-woven, this elastic non-woven can be made by the either party's method in the foregoing description, because in manufacture process, composite fibre in the elastic non-woven or cellulose fibre are through the processing of alkali lye, cellulose fibre wherein is swelling significantly, so composite fibre or cellulose fibre in the elastic non-woven present swelling state, watch the cross section of composite fibre or cellulose fibre at magnifying glass or microscopically, its cross section presents circle, ellipse or the class ellipse (polygon of evagination for example, a big little water droplet shape etc.), as shown in Figure 3.And its cross section of cellulose fibre of the processing of process alkali lye does not present the flat state that contracts, and promptly has at least a direction to cave inward, as shown in Figure 4.
Have elasticity and shape memory by the prepared elastic non-woven of the present invention, good permeability and be difficult for excellent properties such as pilling.
In addition, the present invention also provides a kind of elastic article, this elastic article is made by above-mentioned elastic non-woven, utilize the excellent properties of this elastic non-woven, make that the Application Areas of this elastic article is very extensive, for example, medical field, nursing field, hygiene article sector, cosmetic product field and garment industry etc. can be used in, other industrial circle can certainly be used in.
Above content be in conjunction with concrete embodiment to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. the manufacture method of an elastic non-woven is characterized in that, may further comprise the steps:
Composite non-weaving cloth carried out successively alkali lye is handled and post processing, perhaps common non-weaving cloth is carried out successively that alkali lye is handled, post processing is compound with the elasticity thing again, obtain elastic non-woven;
The material of described composite non-weaving cloth comprises composite fibre, and the complex matrix of described composite fibre comprises cellulose fiber peacekeeping elastomer, and the material of described common non-weaving cloth comprises cellulose fibre.
2. manufacture method as claimed in claim 1 is characterized in that, the complex matrix of described composite fibre comprises that also the material of the 3rd fibrid or described common non-weaving cloth also comprises the 3rd fibrid.
3. manufacture method as claimed in claim 1 or 2 is characterized in that, described cellulose fibre comprises at least a in cotton fiber, flax fibre, day silk, viscose or the Modal fibre.
4. as the arbitrary described manufacture method of claim 1-3, it is characterized in that described elasticity thing comprises at least a in elastomer, elastic membrane, elastic network(s), the elastic layer.
5. as the arbitrary described manufacture method of claim 1-3, it is characterized in that in described elastic non-woven, the weight ratio of described cellulose fibre is 60%～90%, the weight ratio of described elastomer or elasticity thing is 10%～40%.
6. as the arbitrary described manufacture method of claim 1-3, it is characterized in that described alkali lye is handled and comprised following substep:
Described composite non-weaving cloth/common non-weaving cloth is under control or the free state;
Then described composite non-weaving cloth/common non-weaving cloth is immersed in the alkali lye, or spray alkali lye on described composite non-weaving cloth/common non-weaving cloth.
7. as the arbitrary described manufacture method of claim 1-3, it is characterized in that, obtain elastic non-woven after, for obtaining the elastic non-woven of certain elasticity, also comprise following substep:
The described elastic non-woven that obtains is under control or the free state;
Then described elastic non-woven being carried out flexible adjustment handles.
8. elastic non-woven, it is characterized in that, described elastic non-woven comprises composite fibre or the cellulose fibre of handling through alkali lye, and the complex matrix of described composite fibre comprises cellulose fiber peacekeeping elastomer, and described composite fibre or cellulose fibre are swelling state.
9. elastic non-woven as claimed in claim 8 is characterized in that, the cross section of described composite fibre or cellulose fibre is circle, ellipse or class ellipse.
10. an elastic article is characterized in that, described elastic article is made by power 8 or 9 described elastic non-wovens.
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| CN107399112A (en) * | 2016-12-01 | 2017-11-28 | 青海富腾生态科技有限公司 | The manufacture method for hiding blanket is made in a kind of compound non-spinning |
| CN108527982A (en) * | 2016-08-03 | 2018-09-14 | 耿云花 | elastic composite cloth |
| CN111118731A (en) * | 2019-08-26 | 2020-05-08 | 白中华 | High-cotton-content high-elasticity fabric |
| CN111945292A (en) * | 2020-07-27 | 2020-11-17 | 西安工程大学 | High-elasticity non-woven material for drying roll and preparation method thereof |
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| CN111945292A (en) * | 2020-07-27 | 2020-11-17 | 西安工程大学 | High-elasticity non-woven material for drying roll and preparation method thereof |
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| CN102230256B (en) | 2014-04-09 |
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Effective date of registration: 20200610 Address after: 518109 sound industrial park, No. 660, dragon road, Longhua New District, Guangdong, Shenzhen Co-patentee after: Hubei Sanwei Medical Co.,Ltd. Patentee after: WINNER MEDICAL Co.,Ltd. Co-patentee after: WINNER MEDICAL (JIAYU) Co.,Ltd. Address before: 518109 sound industrial park, No. 660, dragon road, Longhua New District, Guangdong, Shenzhen Co-patentee before: WINNER MEDICAL (JIAYU) Co.,Ltd. Patentee before: WINNER MEDICAL Co.,Ltd. |
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