CN102230256B - 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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- CN102230256B CN102230256B CN201110147572.9A CN201110147572A CN102230256B CN 102230256 B CN102230256 B CN 102230256B CN 201110147572 A CN201110147572 A CN 201110147572A CN 102230256 B CN102230256 B CN 102230256B
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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 field, particularly, relate in particular to a kind of non-manufacture cloth of manufacture method, elasticity and elastic article of elastic non-woven.
Background technology
In prior art, elastic non-woven adopts synthetic fiber to be main body or all to adopt synthetic fiber manufacture.The production of elastic non-woven can be summarized as following two kinds of approach.Approach one, by 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 obtain, has 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.Although adopt above-mentioned two kinds of approach all can make elastic non-woven, but above-mentioned two kinds of approach Elastic non-weaving cloths all need all to adopt or main body employing synthetic fiber are raw material, two kinds of approach are neither applicable to living beings sustainability raw material (as cellulose fibre), therefore this to a certain extent, has limited the application as cellulose fibre.
The characteristics such as cellulose fibre is living beings sustainability raw material, and it has recyclability, sustainability, easy Natural Degradation are green natural fiber.And cotton fiber is most important fiber in cellulose fibre, it has 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 take the non-weaving cloth that cotton fiber or other cellulose fibre make as raw material and obtained application in fields such as medical care, amenities, cosmetic product.But because cellulose fibre is nonelastic, the cellulose fibre of take is that non-weaving cloth that raw material is produced exists nonelastic, amorphism Memorability, gas permeability is poor and the taking problem such as easy 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 manufacture method for elastic non-woven, comprises the following steps:
Composite non-weaving cloth is carried out to alkali lye processing and post processing successively, or it is compound with elasticity thing again that common non-weaving cloth is carried out to alkali lye processing, post processing successively, obtains 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 one in cotton fiber, flax fibre, day silk, viscose or Modal fibre.
In an embodiment of the present invention, described elasticity thing comprises at least one in elastomer, elastic membrane, elastic network(s), 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 processed and is comprised following sub-step:
First make described composite non-weaving cloth/common non-weaving cloth under control or free state;
Then described composite non-weaving cloth/common non-weaving cloth is immersed in alkali lye, or spray alkali lye on described composite non-weaving cloth/common non-weaving cloth.
In an embodiment of the present invention, obtain after elastic non-woven, for obtaining the elastic non-woven of certain elasticity, also comprise following sub-step:
First make the described elastic non-woven obtaining under control or free state;
Then described elastic non-woven is carried out to flexible adjustment processing.
Simultaneously, the present invention also provides a kind of elastic non-woven, this elastic non-woven is made by either method described above, described elastic non-woven comprises composite fibre or the cellulose fibre of processing 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 to alkali lye processing and post processing successively, or common non-weaving cloth is carried out to alkali lye processing successively, post processing is compound with 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 containing cellulose fiber that above-mentioned manufacture method makes, not only there is elasticity and shape memory, but also there is fine air permeability, be difficult for the 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 manufacturing the medical dressing such as elastic bands, manufacture elastic webbing elastomeric material, manufacture semi-durable, durable clothes etc.
Figure of description
Shown in Fig. 1 is the manufacture method flow chart of an embodiment of the present invention;
Shown in Fig. 2 is the manufacture method flow chart of the another kind of embodiment of the present invention;
Shown in Fig. 3 is the cross sectional representation of the cellulose fibre processed through alkali lye in an embodiment of the present invention;
Shown in Fig. 4 is the cross sectional representation without the cellulose fibre of alkali lye processing.
The specific embodiment
Below by the specific embodiment, the present invention is described in further detail.
In the technology of existing manufacture elastic non-woven, elastic non-woven can only be selected synthetic fiber manufacture; And it is inapplicable for the cellulose fibre with advantages such as excellent taking, green renewable, easy degradeds; And, existingly take that non-weaving cloth that cellulose fibre is that raw material is produced exists nonelastic, amorphism Memorability, gas permeability is poor and the durability problem such as easy pilling, this has limited the Application Areas of cellulose fibre to a great extent.For 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 manufacture method for elastic non-woven, comprises the following steps:
Composite non-weaving cloth is carried out to alkali lye processing and post processing successively, or it is compound with elasticity thing again that common non-weaving cloth is carried out to alkali lye processing, post processing successively, obtains elastic non-woven;
Wherein, it should be noted that, 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.
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 of formation is become to cloth PROCESS FOR TREATMENT through non-weaving cloth, obtain composite non-weaving cloth.
S3, the composite non-weaving cloth of formation is carried out to alkali lye processing;
After S4, certain hour, the composite non-weaving cloth after alkali lye is processed is carried out to 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 processed through nonwoven process, obtained common non-weaving cloth;
S02, the common non-weaving cloth obtaining is carried out to alkali lye processing;
After S03, certain hour, the common non-weaving cloth after alkali lye is processed is carried out to post processing;
S04, the common non-weaving cloth after post processing and elasticity thing is compound, thus elastic non-woven can be obtained.Wherein common non-weaving cloth and elastomer recombination process can be: make common non-weaving cloth under freedom or state of a control, by physical entanglement or chemical adhesion mode, this common non-weaving cloth and elastomer, elastic network(s) or elastic membrane are combined with each other, form elastic non-woven.
In the step S1 of method shown in Fig. 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, such as chemical fibre, synthetic fiber etc.In addition, by cellulose fiber peacekeeping elastomer, or the shape of the composite fibre that cellulose fibre, elastomer and the 3rd fibrid are mixed into can be composite fiber web, bundle of composite fibers or composite fibre layer etc., certainly, other shape that also can present for composite fibre.
Similarly, in the step S01 of method shown in Fig. 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, such as chemical fibre, synthetic fiber etc.
In the step S04 of method shown in Fig. 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 at least one in elastomer, elastic membrane, elastic network(s), elastic layer, can be also above-mentioned several combination.
Cellulose fibre of the present invention comprises a variety of fibers, for example, while adopting above-mentioned two kinds of methods to manufacture elastic non-woven, can select as any one in cotton fiber, flax fibre, day silk, viscose or Modal fibre.Be understandable that, when adopting said method to manufacture elastic non-woven, also can select other cellulose fibre.And for elastomer, can select to there is certain thermoplastic elastic fiber, short-staples 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, although the weight ratio of each component is unfixing, preferably adopt certain weight ratio to carry out compound.For example, in one embodiment, the weight ratio of the cellulose fibre in 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, when if in the non-manufacture cloth of elasticity, the weight ratio sum of cellulose fibre and elastomer/elasticity thing is 100%, in the non-manufacture cloth of elasticity, do not comprise the 3rd fibrid, when if the weight ratio sum of cellulose fibre and elastomer/elasticity thing is less than 100%, elastic non-woven comprises the 3rd fibrid.
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 the modes such as acupuncture, water thorn or heat bonding, certainly, also comprises that other non-weaving cloth becomes cloth technique.
In the present invention, the step that alkali lye is processed specifically can comprise:
First according to specific needs, make composite non-weaving cloth/common non-weaving cloth under control or free state;
Then composite non-weaving cloth/common non-weaving cloth is immersed in alkali lye, or spray alkali lye on composite non-weaving cloth/common non-weaving cloth.
The object of carrying out alkali lye processing is the elastic performance that regulates composite non-weaving cloth/common non-weaving cloth.This is because composite non-weaving cloth/common non-weaving cloth is met after 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 left space, by controlling the state of composite non-weaving cloth/common non-weaving cloth, can control shrinkage degree.By alkali lye, process, can carry out well flexible adjustment, and can to elastic non-woven there is good gas permeability and shape memory, and be difficult for the advantages such as pilling.
Wherein, the alkali lye of selecting can be that concentration range is 10%～40% NaOH or KOH solution, in alkali lye, can also be aided with the promoter such as urea or thiocarbamide, to guarantee that alkali lye is processed, can obtain good effect.
And the mode of post processing is specifically as follows: remove as much as possible the alkali lye on the composite non-weaving cloth/common non-weaving cloth after alkali lye is processed, again by this composite non-weaving cloth/common non-weaving cloth is washed successively, removal of impurities, further to remove the alkali lye that may exist on it, finally carry out again drying and processing.The object of post processing is to remove as far as possible impurity and obtain required flexible elastic non-woven.And, must be to process after certain hour when composite non-weaving cloth/common non-weaving cloth carries out alkali lye, just can carry out post processing.
Further, after making elastic non-woven, for obtaining the elastic non-woven of certain elasticity, also need the elastic non-woven to making to be further processed by above-mentioned manufacture method, concrete mode is:
Make the elastic non-woven making under control or free state;
Elastic non-woven is carried out to flexible adjustment processing, specifically can select heat treatment, be about to this elastic non-woven and be placed at the lower 10S～120S of processing of uniform temperature (140 ℃～220 ℃), so, can be met the elastic non-woven of demand.
In an embodiment of the present invention, the step of manufacture elastic non-woven is specially:
(1) by 70% cotton fiber after grabbing cotton, opening or cleaning and processing, then mix with 30% cotton type ptt fiber, then become composite fiber web through carding machine;
(2) by the composite fiber web forming through water jet process, make composite non-weaving cloth;
(3) alkali lye is processed, and by after the composite non-weaving cloth squezzing band water 80% of making, is immersed 30S in the alkali lye of 40%NaOH, after roll except alkali lye;
(4) post processing, washing neutralization is removed after alkali lye, then zero overfeeding is laterally without under stretching, by institute's treatment cloth 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 the either method in above-described embodiment be made, due in manufacture process, composite fibre in elastic non-woven or cellulose fibre are through the processing of alkali lye, cellulose fibre is wherein swelling significantly, so composite fibre or cellulose fibre in elastic non-woven present swelling state, under magnifying glass or microscope, watch the cross section of composite fibre or cellulose fibre, its cross section presents circle, oval (the polygon of evagination for example of ellipse or class, one large one small water-drop-shaped 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 of contracting, have at least a direction to cave inward, as shown in Figure 4.
By the prepared elastic non-woven of the present invention, there is elasticity and shape memory, good permeability and be difficult for the 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 the Application Areas of this elastic article 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 is in conjunction with concrete embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For 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 (4)
1. a manufacture method for elastic non-woven, is characterized in that, comprises the following steps:
Composite non-weaving cloth is carried out to alkali lye processing and post processing successively, 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;
Be specially:
70% cotton fiber, after grabbing cotton, opening or cleaning and processing, then is mixed with 30% cotton type ptt fiber, then become composite fiber web through carding machine;
The composite fiber web forming, through water jet process, is made to composite non-weaving cloth;
Alkali lye is processed, and by after the composite non-weaving cloth squezzing band water 80% of making, is immersed 30S in the alkali lye of 40%NaOH, after roll except alkali lye;
Post processing, washing neutralization is removed after alkali lye, at zero overfeeding laterally without under stretching, by institute's treatment cloth through 170 ℃ of drying and shaping of setting machine, elastic non-woven;
Flexible adjustment is processed, and makes the elastic non-woven making under control or free state, and elastic non-woven is heat-treated, and soon this elastic non-woven is placed at 140 ℃～220 ℃ temperature and processes 10S～120S.
2. an elastic non-woven that adopts method claimed in claim 1 to manufacture, it is characterized in that, described elastic non-woven comprises composite fibre or the cellulose fibre of processing 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.
3. elastic non-woven as claimed in claim 2, is characterized in that, the cross section of described composite fibre or cellulose fibre is that circle, ellipse or class are oval.
4. an elastic article, is characterized in that, described elastic article is made by the elastic non-woven of weighing described in 2 or 3.
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| CN108527982A (en) * | 2016-08-03 | 2018-09-14 | 耿云花 | elastic composite cloth |
| 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 |
| CN111118731B (en) * | 2019-08-26 | 2021-07-13 | 江苏大毛牛新材料有限公司 | High-cotton-content high-elasticity fabric |
| CN111945292B (en) * | 2020-07-27 | 2022-09-06 | 西安工程大学 | High-elasticity non-woven material for drying roll and preparation method thereof |
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| CN1173568A (en) * | 1996-05-23 | 1998-02-18 | 日清纺织株式会社 | Shrink-proof treatment of celluosic fiber textile |
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| US4209563A (en) * | 1975-06-06 | 1980-06-24 | The Procter & Gamble Company | Method for making random laid bonded continuous filament cloth |
| US4525407A (en) * | 1982-08-27 | 1985-06-25 | Chicopee | Elastic composites |
| DK1538250T3 (en) * | 2003-12-05 | 2010-04-26 | Du Pont | Process for producing an elastic nonwoven web |
| US20050245162A1 (en) * | 2004-04-30 | 2005-11-03 | Kimberly-Clark Worldwide, Inc. | Multi-capable elastic laminate process |
| CN101195282A (en) * | 2007-12-04 | 2008-06-11 | 东华大学 | Elastic laminated product and manufacturing technology thereof |
| CN102061630B (en) * | 2011-01-13 | 2013-04-24 | 汤为人 | Direct-spun superfine fiber artificial leather and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1173568A (en) * | 1996-05-23 | 1998-02-18 | 日清纺织株式会社 | Shrink-proof treatment of celluosic fiber textile |
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Address after: Longhua Town, Guangdong city of Shenzhen province Bulong highway 518109 near the sound industrial park Patentee after: Sane medical supplies limited company Address before: Longhua Town, Guangdong city of Shenzhen province Bulong highway 518109 near the sound industrial park Patentee before: Winner Industries (Shenzhen) Co., Ltd. |
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Effective date of registration: 20190604 Address after: 518109 stable Industrial Park No. 660, cloth Lung Road, Longhua New District, Shenzhen, Guangdong. Co-patentee after: Prudent medical (Jiayu) Co., Ltd. Patentee after: Sane medical supplies limited company Address before: 518109 stable industrial park near the boule Road, Longhua Town, Shenzhen, Guangdong. Patentee before: Sane medical supplies limited company |
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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. |