CN104818606A - Waterproof textile - Google Patents
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- CN104818606A CN104818606A CN201410043577.0A CN201410043577A CN104818606A CN 104818606 A CN104818606 A CN 104818606A CN 201410043577 A CN201410043577 A CN 201410043577A CN 104818606 A CN104818606 A CN 104818606A
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Abstract
The present invention discloses a waterproof textile, which is a woven or knitted fabric comprising polyester fibers with a waterproof resin film covered on the surface and cellulose fibers with a waterproof resin film covered on the surface, wherein the difference between the thicknesses of the resin film on the cellulose fiber surface and on the polyester fiber surface is 50-200 nm, and the relative dielectric constant of the resin for forming the waterproof resin film is more than or equal to 4. According to the present invention, with the microwave treatment, the waterproof resin migrates from the polyester fiber surface to the cellulose fiber surface, such that the excellent waterproof performance and the washing durability can be obtained even if the use amount of the waterproof resin is reduced.
Description
Technical field
The invention belongs to weaving, Material Field, be specifically related to a kind of textiles with superior anti-water resistance obtained by microwave treatment.
Background technology
Finishing functions textiles at home and abroad market is widely used, wherein the function textile of water-proof finish is on the increase in the demand of international market, clothing retailer gap, inc. the biggest in the world, company of retailer Wal-Mart the biggest in the world, kus kretail giant Target company, European retail giant H & M company, world-renowned dress manufacturer Bei Natong (Benetton) company etc., all have the production procurement of this series products a considerable amount of every year in China.
The essence of water-proof finish is in fabric face absorption layer of substance, make its high energy surface become low-energy surface, obtain the fabric with waterproof effect with this, and the less effect of surface energy better.Du pont company in the 1950's carried out at first fluoropolymer fabric water and oil repellent finish trial, the fabric finishing agent that it is main component that 3M company have developed with perfluorocarboxylic acid chromium complex subsequently, but very fast just replace by performance better fluorine-containing propene vinegar polymer, become the main flow of current water-proof aagent.Because the fluorinated waterproofing agent feature of environmental protection is poor, therefore on market occur can substitute fluorine-containing water repellent without fluoro water proofing agent-organic silicon type, Long carbon chain type etc.Current water-proof finish technique should according to the corresponding employing padding finishing of actual requirement, top finish process route.
1. padding finishing.Waterproofing compound allotment dressing liquid common is in the market adopted to pad textiles, as the manufacture method of a kind of grease-proof and waterproof textile disclosed in Chinese patent literature CN101660271A and goods thereof, undertaken padding process by using specific fluorochemical repellent oil water repellent finishing agent FG-910, although obtain more superior waterproof and oilproof persistence, need the waterproofing agent using particular type; And its persistence need further raising.
2. top finish.Adopt coating technology to be the conventional means realizing water-proof finish, the resistance to hydrostatic pressure index of fabric can be significantly improved.Current fabric coating finishing agent mainly contains the types such as polyacrylate, polyurethane, elastomer silicone and polyvinyl chloride resin, and wherein the application of soluble polyurethane type coating glue is comparatively extensive.Permeable acid-alkali-oil-water-proof fabric finishing method disclosed in Chinese patent literature CN1743544A; especially by improving the thickness of fabric and fiber surface fluorine diaphragm and increasing the consumption (two-step method of first coating Final finishing) of moisture-inhibiting (vapour) coating resin; stop soda acid liquid directly contact fiber and penetrate into fibrous material inside, improve the anti-soda acid permeance property of fabric.Although the method obtains comparatively superior anti-soda acid waterproof oil-proof result, owing to using film forming agent in a large number, fabric feeling is poor, and wearing comfort can not be guaranteed.
In addition, the application of microwave technology in textile industry comprises Pretreatment of textile, dyeing, stamp and Final finishing.As coming unstuck of bast-fibre in pre-treatment, by microwave irradiation, fiber itself is generated heat, accelerate the dissolving of colloid, improve degumming effect; And mainly for silk kind fabric in Final finishing, under microwave action silk fiber can with epoxy resin generation grafting or cross-linking reaction, improve percent grafting, Reaction time shorten, economize energy, effectively improve wrinkle resistance.Not yet see having about utilizing the research of microwave technology to report in water-proof finish at present.
Summary of the invention
The object of the present invention is to provide that a kind of processing cost is low, production efficiency is high, soft, the waterproof textile that washing resistance is good.
Woven or the knitted fabric that textiles of the present invention forms for the polyster fibre and cellulose fibre being all coated with waterproof resin film by surface; And the thickness difference of the resin molding of the resin molding of cellulose fiber surface and PET fiber surface is 50 ~ 200nm; The relative dielectric constant forming the resin of above-mentioned waterproof resin film is more than 4.When not washing, the classification of waterproof of this textiles is 5 grades; After JIS L 0217 No. 103 method home washings 20 times, the classification of waterproof of this textiles is more than 3 grades, preferably more than 4 grades.
Technical solution of the present invention is:
Woven or the knitted fabric that waterproof textile of the present invention forms for the polyster fibre and cellulose fibre being all coated with waterproof resin film by surface.The thickness difference of the resin molding of cellulose fiber surface and the resin molding of PET fiber surface is 50 ~ 200nm; The relative dielectric constant forming the resin of above-mentioned waterproof resin film is more than 4.
Find that the resin bed due to cellulose fiber surface attachment is excessively thin after adopting conventional water-proof finish to process to the woven or knitted fabric be made up of polyster fibre and cellulose fibre, cause the washing resistance deviation of fabric.The present invention by carrying out microwave treatment again after water-proof finish, because the relative dielectric constant of cellulose fibre is larger than the relative dielectric constant of polyster fibre, under microwave irradiation, compared with polyster fibre, the ability that cellulose fibre absorbs microwave is large, programming rate is fast, and surface moisture volatilization is also fast, the resin of such PET fiber surface is just easy to be moved to cellulose fiber surface, the waterproof resin amount of cellulose fiber surface will become many, solves the problem that the resin of cellulose fiber surface attachment is excessively thin.If the thickness difference of the resin molding of the resin molding of cellulose fiber surface and PET fiber surface is less than 50nm, the resin transfer of PET fiber surface is too much, and resin molding is too thin, and washing resistance is poor.
For same fiber content than the textiles formed, adopting conventional water-proof finish, in order to obtain washing resistance superior on an equal basis, needing a large amount of waterproof resin that uses to improve the amount of resin of cellulose fiber surface attachment; And the present invention is under microwave action, waterproof resin can move from polyster fibre to cellulose fibre, and the amount of resin that cellulose fiber surface is adhered to increases, and significantly reduces resin use amount.
Waterproof textile of the present invention, the relative dielectric constant of the waterproof resin used is more than 4.The relative dielectric constant of resin is higher, and resin is better to the assimilation effect of microwave, easier and bridge formation composition film forming, thus the waterproof durability obtained is better.
The percentage by weight of the polyster fibre and cellulose fibre that form waterproof textile of the present invention is preferably 20:80 ~ 80:20, more preferably 40:60 ~ 60:40.
The cellulose fibre forming waterproof textile of the present invention be preferably in cotton, fiber crops, viscose glue one or both.
Waterproof textile of the present invention by first padding waterproof resin, re-uses microwave processing equipment process in Final finishing process, then carries out sizing processing and obtains.
Wherein waterproof resin solution formula is:
Waterproof resin: 20 ~ 200g/L
Bridging agent: 5 ~ 50g/L.
In order to significantly improve the durability of waterproof effect, the present invention preferably uses bridging agent.The bridging agent used in the present invention is preferably melamine-type or blocked isocyanate type.Waterproof resin is preferably C8 fluorinated, C6 fluorinated, aliphatic or silicone based.
Padding finishing: untreated fabric be soaked in the above-mentioned padding finishing liquid prepared, two leachings two are rolled (pick-up rate 40 ~ 80%).
Microwave treatment actual conditions: temperature is 60 ~ 130 DEG C, the time is 60 ~ 300 seconds.
Sizing: shape 60 ~ 120 seconds under temperature is 150 ~ 190 DEG C of conditions.
By the waterproof textile of the present invention that above-mentioned machining obtains, when not washing, the classification of waterproof of this textiles is 5 grades; After JIS L 0217 No. 103 method home washings 20 times, the classification of waterproof of this textiles is more than 3 grades, is preferably more than 4 grades.
Ultraviolet ray resistant textiles of the present invention compared with prior art, has the following advantages: 1. by microwave treatment, waterproof resin can be moved to cellulose fibre, obtain superior water resistance and durability like this when lower waterproofing agent use amount; 2. by selecting suitable waterproofing agent (relative dielectric constant is more than 4).Relative dielectric constant is higher, and medicament is better to the assimilation effect of microwave, easier and bridge formation composition film forming, thus the waterproof durability obtained is better; 3., when this textiles does not wash, classification of waterproof is 5 grades; After JIS L 0217 No. 103 method home washings 20 times, classification of waterproof is more than 3 grades.
Detailed description of the invention
The method of testing of each index of the textile fabric related in the present invention is as follows.
(1) water proofing property: JIS L-1092 method.
(2) home washings standard: JIS L-0217 No. 103 methods.
(3) resin thickness: TEM.
(4) relative dielectric constant: JIS C-2138 method.
(5) hand valuation: sensory evaluation.
Below in conjunction with embodiment and comparative example, the invention will be further described.
Embodiment 1
A. the textiles (cotton 20%/terylene 80%) of processing is prepared;
B. padding finishing liquid preparation:
C6 fluorinated waterproofing agent (relative dielectric constant 5.3): 100g/L
Melamine-type bridging agent: 5g/L
C. padding finishing: untreated fabric is soaked in the above-mentioned padding finishing liquid prepared, two leachings two are rolled (pick-up rate 50%);
D. microwave treatment: use microwave processing equipment process, temperature 60 C, time 300 seconds;
E. shape: shape 60 seconds under temperature is 170 DEG C of conditions.
Obtain waterproof textile of the present invention, its performance parameter is in table 1.
Embodiment 2
A. the textiles (cotton 55%/terylene 45%) of processing is prepared;
B. padding finishing liquid preparation:
Silicone based waterproofing agent (relative dielectric constant 4.3): 100g/L
Melamine-type bridging agent: 10g/L
C. padding finishing: untreated fabric is soaked in the above-mentioned padding finishing liquid prepared, two leachings two are rolled (pick-up rate 60%);
D. microwave treatment: use microwave processing equipment process, temperature 80 DEG C, 90 seconds time;
E. shape: shape 120 seconds under temperature is 170 DEG C of conditions.
Obtain waterproof textile of the present invention, its performance parameter is in table 1.
Embodiment 3
A. the textiles (cotton 55%/terylene 45%) of processing is prepared;
B. padding finishing liquid preparation:
C6 fluorinated waterproofing agent (relative dielectric constant 5.7): 100g/L
Melamine-type bridging agent: 10g/L
C. padding finishing: untreated fabric is soaked in the above-mentioned padding finishing liquid prepared, two leachings two are rolled (pick-up rate 60%);
D. microwave treatment: use microwave processing equipment process, temperature 80 DEG C, 120 seconds time;
E. shape: shape 120 seconds under temperature is 170 DEG C of conditions.
Obtain waterproof textile of the present invention, its performance parameter is in table 1.
Embodiment 4
A. the textiles (cotton 55%/terylene 45%) of processing is prepared;
B. padding finishing liquid preparation:
C8 fluorinated waterproofing agent (relative dielectric constant 5.9): 50g/L
Blocked isocyanate type bridging agent: 5g/L
C. padding finishing: untreated fabric is soaked in the above-mentioned padding finishing liquid prepared, two leachings two are rolled (pick-up rate 60%);
D. microwave treatment: use microwave processing equipment process, temperature 100 DEG C, 120 seconds time;
E. shape: shape 120 seconds under temperature is 170 DEG C of conditions.
Obtain waterproof textile of the present invention, its performance parameter is in table 1.
Embodiment 5
A. the textiles (cotton 80%/terylene 20%) of processing is prepared;
B. padding finishing liquid preparation:
Aliphatic category waterproofing agent (relative dielectric constant 4.3): 50g/L
Blocked isocyanate type bridging agent: 5g/L
C. padding finishing: untreated fabric is soaked in the above-mentioned padding finishing liquid prepared, two leachings two are rolled (pick-up rate 60%);
D. microwave treatment: use microwave processing equipment process, temperature 130 DEG C, 60 seconds time;
E. shape: shape 120 seconds under temperature is 170 DEG C of conditions.
Obtain waterproof textile of the present invention, its performance parameter is in table 1.
Embodiment 6
A. the textiles (fiber crops 55%/terylene 45%) of processing is prepared;
B. padding finishing liquid preparation:
C6 fluorinated waterproofing agent (relative dielectric constant 5.7): 50g/L
Blocked isocyanate type bridging agent: 10g/L
C. padding finishing: untreated fabric is soaked in the above-mentioned padding finishing liquid prepared, two leachings two are rolled (pick-up rate 60%);
D. microwave treatment: use microwave processing equipment process, temperature 80 DEG C, 180 seconds time;
E. shape: shape 60 seconds under temperature is 170 DEG C of conditions.
Obtain waterproof textile of the present invention, its performance parameter is in table 1.
Embodiment 7
A. the textiles (viscose glue 55%/terylene 45%) of processing is prepared;
B. padding finishing liquid preparation:
C6 fluorinated waterproofing agent (relative dielectric constant 5.7): 200g/L
Blocked isocyanate type bridging agent: 10g/L
C. padding finishing: untreated fabric is soaked in the above-mentioned padding finishing liquid prepared, two leachings two are rolled (pick-up rate 60%);
D. microwave treatment: use microwave processing equipment process, temperature 80 DEG C, 180 seconds time;
E. shape: shape 60 seconds under temperature is 190 DEG C of conditions.
Obtain waterproof textile of the present invention, its performance parameter is in table 1.
Embodiment 8
A. the textiles (cotton 20%/viscose glue, 35%/terylene 45%) of processing is prepared;
B. padding finishing liquid preparation:
C6 fluorinated waterproofing agent (relative dielectric constant 5.7): 20g/L
Blocked isocyanate type bridging agent: 10g/L
C. padding finishing: untreated fabric is soaked in the above-mentioned padding finishing liquid prepared, two leachings two are rolled (pick-up rate 60%);
D. microwave treatment: use microwave processing equipment process, temperature 80 DEG C, 300 seconds time;
E. shape: shape 60 seconds under temperature is 150 DEG C of conditions.
Obtain waterproof textile of the present invention, its performance parameter is in table 1.
Comparative example 1
Microwave treatment is changed to hot blast process, all the other, with embodiment 3, obtain waterproof textile, and its performance parameter is in table 1.
Comparative example 2
Microwave treatment is changed to hot blast process, all the other, with embodiment 4, obtain waterproof textile, and its performance parameter is in table 1.
Comparative example 3
Padding finishing liquid preparation silicone based waterproofing agent relative dielectric constant used is 2.7, and all the other, with embodiment 2, obtain waterproof textile, and its performance parameter is in table 1.
Table 1
Claims (5)
1. a waterproof textile, is characterized in that: the woven or knitted fabric that this textiles forms for the polyster fibre and cellulose fibre being all coated with waterproof resin film by surface; And the thickness difference of the resin molding of the resin molding of described cellulose fiber surface and described PET fiber surface is 50 ~ 200nm; The relative dielectric constant forming the resin of described waterproof resin film is more than 4.
2. waterproof textile according to claim 1, is characterized in that: the percentage by weight of described polyster fibre and cellulose fibre is 20:80 ~ 80:20.
3. waterproof textile according to claim 1, it is characterized in that: this textiles is by first padding waterproof resin solution, re-use microwave processing equipment to process, then carry out sizing processing and obtain, described microwave treatment temperature is 60 ~ 130 DEG C, 60 ~ 300 seconds time.
4. waterproof textile according to any one of claim 1-3, is characterized in that: when not washing, and the classification of waterproof of this textiles is 5 grades; After JIS L 0217 No. 103 method home washings 20 times, the classification of waterproof of this textiles is more than 3 grades.
5. waterproof textile according to any one of claim 1-3, is characterized in that: when not washing, and the classification of waterproof of this textiles is 5 grades; After JIS L 0217 No. 103 method home washings 20 times, the classification of waterproof of this textiles is more than 4 grades.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410043577.0A CN104818606B (en) | 2014-01-30 | 2014-01-30 | A kind of waterproof textile |
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| CN201410043577.0A CN104818606B (en) | 2014-01-30 | 2014-01-30 | A kind of waterproof textile |
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| CN104818606A true CN104818606A (en) | 2015-08-05 |
| CN104818606B CN104818606B (en) | 2019-09-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400500A (en) * | 2016-09-18 | 2017-02-15 | 新乡市新科防护科技有限公司 | Method for prolonging acid-base penetrating time of aramid fabric |
| CN108374284A (en) * | 2018-04-04 | 2018-08-07 | 石狮市三益织造染整有限公司 | A kind of water-proof finish technique of dacron |
| CN110552200A (en) * | 2018-05-31 | 2019-12-10 | 句容市华冠服帽厂 | Preparation method of waterproof textile and waterproof textile |
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| JPH0434071A (en) * | 1990-05-30 | 1992-02-05 | Unitika Ltd | Water absorbing processing of cellulosic fiber cloth |
| CN1300894A (en) * | 2000-12-29 | 2001-06-27 | 无锡维新特种纺织物有限公司 | Durably flame-retarding, oil-resistant and water-proof blended fabric and its making technology |
| CN1743544A (en) * | 2004-11-16 | 2006-03-08 | 江苏东升艾克科技股份有限公司 | Permeable acid-alkali-oil-water-proof fabric finishing method |
| CN103174033A (en) * | 2011-12-23 | 2013-06-26 | 东丽纤维研究所（中国）有限公司 | Easy-to-clean textile and applications thereof |
| JP2013181260A (en) * | 2012-03-02 | 2013-09-12 | Toray Ind Inc | Woven or knitted fabric and method for producing the same |
-
2014
- 2014-01-30 CN CN201410043577.0A patent/CN104818606B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0434071A (en) * | 1990-05-30 | 1992-02-05 | Unitika Ltd | Water absorbing processing of cellulosic fiber cloth |
| CN1300894A (en) * | 2000-12-29 | 2001-06-27 | 无锡维新特种纺织物有限公司 | Durably flame-retarding, oil-resistant and water-proof blended fabric and its making technology |
| CN1743544A (en) * | 2004-11-16 | 2006-03-08 | 江苏东升艾克科技股份有限公司 | Permeable acid-alkali-oil-water-proof fabric finishing method |
| CN103174033A (en) * | 2011-12-23 | 2013-06-26 | 东丽纤维研究所（中国）有限公司 | Easy-to-clean textile and applications thereof |
| JP2013181260A (en) * | 2012-03-02 | 2013-09-12 | Toray Ind Inc | Woven or knitted fabric and method for producing the same |
Non-Patent Citations (2)
| Title |
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| 刘戎等: "水性聚氨酯在氟系拒水整理中的应用", 《印染》 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400500A (en) * | 2016-09-18 | 2017-02-15 | 新乡市新科防护科技有限公司 | Method for prolonging acid-base penetrating time of aramid fabric |
| CN108374284A (en) * | 2018-04-04 | 2018-08-07 | 石狮市三益织造染整有限公司 | A kind of water-proof finish technique of dacron |
| CN110552200A (en) * | 2018-05-31 | 2019-12-10 | 句容市华冠服帽厂 | Preparation method of waterproof textile and waterproof textile |
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| CN104818606B (en) | 2019-09-13 |
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