CN116804313A - Low-temperature durable three-proofing finishing method for wool/cashmere fabric - Google Patents
Low-temperature durable three-proofing finishing method for wool/cashmere fabric Download PDFInfo
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- CN116804313A CN116804313A CN202310947054.8A CN202310947054A CN116804313A CN 116804313 A CN116804313 A CN 116804313A CN 202310947054 A CN202310947054 A CN 202310947054A CN 116804313 A CN116804313 A CN 116804313A
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- wool
- proofing
- cashmere
- temperature
- finishing
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- 239000004744 fabric Substances 0.000 title claims abstract description 68
- 210000000085 cashmere Anatomy 0.000 title claims abstract description 57
- 210000002268 wool Anatomy 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 15
- 238000002791 soaking Methods 0.000 claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 6
- 229920000768 polyamine Polymers 0.000 claims description 3
- 125000002091 cationic group Chemical group 0.000 claims description 2
- 239000000839 emulsion Substances 0.000 claims description 2
- 239000002736 nonionic surfactant Substances 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 150000001541 aziridines Chemical class 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 239000004753 textile Substances 0.000 abstract description 7
- 239000005871 repellent Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000003921 oil Substances 0.000 description 6
- 238000007730 finishing process Methods 0.000 description 5
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 230000002940 repellent Effects 0.000 description 3
- 230000003373 anti-fouling effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000004971 Cross linker Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001718 carbodiimides Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002939 oilproofing Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003405 preventing effect Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Landscapes
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a low-temperature durable three-proofing finishing method for wool/cashmere fabrics, which comprises the following steps of: step S1: preparing a three-prevention finishing liquid: 50-100g/L of three-proofing finishing agent, 5-12g/L of low-temperature cross-linking agent and 1-3g/L of penetrating agent are mixed; step S2: wool/cashmere fabric impregnating three-proofing finishing liquid: the bath ratio is 1:10-1:40, the soaking time is 2-10min, the two-soaking and two-rolling are carried out, and the liquid carrying rate is 65-80%; step S3: and (3) drying and baking: and (3) baking the padded wool/cashmere fabric at 80-100 ℃ for 8-20min. According to the invention, through the selection of the low-temperature cross-linking agent, the three-proofing finishing baking temperature can be reduced to 80-100 ℃, high-temperature baking is not needed, the performance damage of the fabric is reduced to the greatest extent while the finishing reaction of the fabric is ensured, the three-proofing effect is realized under the condition that the hand feeling and the color of the wool/cashmere fabric are effectively ensured, and the durability is excellent. The method is simple in process and convenient to operate, and can be applied to the field of wool/cashmere fabrics and can be popularized and applied to finishing of other temperature-sensitive textiles.
Description
Technical Field
The invention relates to the field of post-finishing processes of cashmere fabrics, in particular to a low-temperature durable three-proofing finishing method for wool/cashmere fabrics.
Background
Along with the progress of the times, the requirements of people on the dressing quality are continuously improved, and the cashmere has the quality which cannot be replaced by other fibers due to the remarkable temperature control characteristic, softness, flexibility, fineness and comfort, is an important raw material for textile industry, and has excellent natural characteristics.
In order to meet the current water and oil resistance requirements of people on clothes, most textiles are usually subjected to three-proofing treatment. The three-proofing means water resistance, oil resistance and stain resistance, and the three-proofing treatment is to add a three-proofing finishing agent on the fabric, so as to change the surface property of the fabric and meet the three-proofing requirement. In the existing wool and cashmere fabric three-proofing finishing process, a high-temperature cross-linking agent is generally adopted, and the baking temperature is about 150 ℃.
The study on the adoption of a low-temperature cross-linking agent can reduce the baking temperature to 120 ℃, for example, after the cross-linking agent WR-40 is added, the low-temperature cross-linking process of the fluorine polyacrylate water-repellent oil-repellent agent is adopted to finish the wool fabric, and the adopted novel low-temperature durable finishing process is as follows: the fabric can replace the traditional high-temperature baking process to endow the finished fabric with excellent water-proof, dry-proof, water-proof, oil-proof and anti-fouling three-proofing functions of water-proof, dry-proof, and the fabric feel, air permeability and other wearability. For another example, the preparation of the silicone-fluorine finishing agent and the research on the waterproof and dirt-repellent performances of the worsted fabric [ J ]. Wang Genghuai, li Tingting and the like are applied to the three-proofing finishing of the worsted fabric, a padding and drying process is adopted, and the fabric can have good waterproof and dirt-repellent performances by hot air drying (about 80 ℃ and 180 s) to baking (120 ℃ and 120 s). However, these studies also only reduced the baking temperature to 120℃and not to below 120 ℃.
The three-proofing finishing process of the cashmere products is in an exploration and research stage, and particularly has higher finishing difficulty on the fluffy cashmere products, so that the performance of the products is not affected, and the processing effect is achieved. In addition, the cashmere woven product belongs to high-grade clothing fabric, and has strict requirements for taking and maintaining. Because the fluorine-containing resin has good antifouling and recontamination preventing properties, the wet fastness is higher. It not only can make cashmere fabric possess water-proofing and oil-proofing property, but also possesses good properties of resisting dry cleaning or easy-to-remove dirt, etc.. Has little effect on the performance of the fabric. At present, a fluorine-containing polymer finishing agent is used as a three-proofing finishing auxiliary agent of cashmere fabrics. But cashmere has poor heat resistance, and is easy to yellow at high temperature, and the temperature of drying is required to be lower than 90 ℃. In the existing three-proofing finishing process, due to the limitation of a cross-linking agent, the minimum baking temperature is more than 120 ℃, and the high-temperature finishing of more than 120 ℃ has great influence on the color and the hand feeling of the wool/cashmere fabric, and the finished wool/cashmere fabric is relatively poor in water and oil repellent effect after 20 times of washing, so that the three-proofing finishing requirement of the cashmere fabric cannot be really met.
Therefore, how to achieve three-proofing finishing of wool/cashmere fabrics and obtain durable water and oil repellent effects under the condition of reducing baking temperature is a technical problem which is not solved in the field. At the same time, this also presents a new challenge for the selection of crosslinkers that need to be reacted in dry low temperature conditions.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a low-temperature durable water-repellent and oil-repellent finishing method which is particularly used for wool/cashmere fabrics, so that the wool/cashmere fabrics can be dried in one step, and durable water-repellent and oil-repellent effects can be obtained even when the temperature is as low as below 100 ℃.
In order to achieve the above purpose, the invention adopts the following specific technical scheme:
the low-temperature durable three-proofing finishing method for the wool/cashmere fabric specifically comprises the following steps of:
step S1: preparing a three-prevention finishing liquid: 50-100g/L of three-proofing finishing agent, 5-12g/L of low-temperature cross-linking agent and 1-3g/L of penetrating agent are mixed;
step S2: wool/cashmere fabric impregnating three-proofing finishing liquid: the bath ratio is 1:10-1:40, the soaking time is 2-10min, the two-soaking and two-rolling are carried out, and the liquid carrying rate is 65-80%;
step S3: and (3) drying and baking: and (3) placing the padded wool/cashmere fabric into an oven, and baking for 8-20min at 80-100 ℃ for one time.
Preferably, the three-proofing finishing agent is weak cationic hexafluoropolymer emulsion, and the solid content is 25-40%.
Preferably, the low-temperature cross-linking agent is any one of aziridine, polycarbodiimide and polyamine, wherein the aziridine or polycarbodiimide active functional group can be subjected to cross-linking reaction with hydroxyl, amino and the like on wool/cashmere at the temperature of 80-100 ℃, and the film is formed on the surface of the fabric, so that the wool/cashmere fabric is firmer and more washable. .
Preferably, the penetrating agent is a low-hydrophilic nonionic surfactant, and the HLB value of the penetrating agent ranges from 1 to 5.
Compared with the prior art, the invention has the beneficial effects that:
(1) The low-temperature cross-linking agent selected by the invention can reduce the three-proofing finishing baking temperature to 80-100 ℃, does not need high-temperature baking, reduces the performance damage of the fabric to the greatest extent while guaranteeing the finishing reaction of the fabric, and realizes the three-proofing effect and has excellent durability under the condition of effectively guaranteeing the hand feeling and the color of the wool/cashmere fabric.
(2) Compared with the conventional three-proofing finishing, the method reduces the process of a drying-baking two-step method to the process of a drying-baking one-step method, simplifies the three-proofing finishing method, is convenient to operate, and can be popularized and applied in the field of wool/cashmere fabrics, can be used for finishing other temperature-sensitive textiles and is expanded to the application of other textiles.
Detailed Description
The present invention will be further described with reference to specific examples, which are not intended to limit the scope of the invention.
Comparative example one: the high-temperature three-proofing finishing method of the wool/cashmere fabric comprises the following steps:
s1, preparing a three-proofing finishing liquid: the three-proofing finishing agent TG-5601 is mixed with the dosage of 70g/L, the dosage of the high-temperature cross-linking agent XAN is 15g/L, and the dosage of the penetrating agent CDO is 2 g/L;
s2, padding a wool/cashmere fabric with a three-proofing finishing liquid: the bath ratio is 1:20, the soaking time is 5min, the two-soaking and two-rolling are carried out, and the liquid carrying rate is 70%;
s3, a baking process: the padded wool/cashmere fabric is dried for 3min at 80 ℃ by a dryer, and then baked for 3min at 160 ℃.
Embodiment one:
a method for low temperature durable three-proofing finishing of wool/cashmere fabrics, comprising the steps of:
s1, preparing a three-proofing finishing liquid: the three-proofing finishing agent TG-5601 is mixed with 70g/L, the aziridine low-temperature cross-linking agent is mixed with 10g/L and the penetrating agent CDO is mixed with 2 g/L;
s2, padding a wool/cashmere fabric with a three-proofing finishing liquid: the bath ratio is 1:20, the soaking time is 5min, the two-soaking and two-rolling are carried out, and the liquid carrying rate is 70%;
s3, a baking process: and (3) baking the padded wool/cashmere fabric at 90 ℃ for 10min.
Embodiment two:
a method for low temperature durable three-proofing finishing of wool/cashmere fabrics, comprising the steps of:
s1, preparing a three-proofing finishing liquid: the three-proofing finishing agent TG-5601 is 70g/L, the polyamine low-temperature cross-linking agent is 10g/L, and the penetrating agent CDO is 2 g/L;
s2, padding a wool/cashmere fabric with a three-proofing finishing liquid: the bath ratio is 1:20, the soaking time is 5min, the two-soaking and two-rolling are carried out, and the liquid carrying rate is 70%;
s3, a baking process: and (3) baking the padded wool/cashmere fabric at 80 ℃ for 10min.
Embodiment III:
a method for low temperature durable three-proofing finishing of wool/cashmere fabrics, comprising the steps of:
s1, preparing a three-proofing finishing liquid: the three-proofing finishing agent TG-5601 is 70g/L, the low-temperature cross-linking agent of the poly-carbodiimide is 8g/L, and the CDO of the penetrating agent is 2 g/L;
s2, padding a wool/cashmere fabric with a three-proofing finishing liquid: the bath ratio is 1:20, the soaking time is 5min, the two-soaking and two-rolling are carried out, and the liquid carrying rate is 70%;
s3, a baking process: and (3) drying and baking the padded wool/cashmere fabric at 100 ℃ for 10min by a one-step method.
According to the first comparative example and the low-temperature durable three-proofing finishing method of the wool/cashmere fabric, three-proofing finishing is respectively carried out on the wool/cashmere fabric, and water and oil repellent performance data of the finished product are shown in table 1.
TABLE 1 Water and oil repellency of wool/Cashmere three-proofing finishing products
As can be seen from the table, the wool/cashmere fabric finished by the finishing method provided by the invention has better obvious whiteness after 20 times of water washing. Compared with the existing finishing method, the finishing method disclosed by the invention is not only suitable for finishing temperature-sensitive textiles under the condition that the handfeel and the color of the wool/cashmere fabrics are not affected, and realizes a durable three-proofing effect, but also has a long-lasting effect.
The invention not only solves the long-acting property of wool/cashmere finishing, but also reduces the performance damage of the fabric to the greatest extent while ensuring the finishing reaction of the fabric without high-temperature baking. The wool/cashmere fabric is a single-component wool/cashmere mixed fabric or a mixed fabric of wool and cashmere in different proportions. The method not only has good popularization and application value in the field of fabrics, but also can be expanded to the application of other textiles.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Claims (4)
1. A method for low temperature durable three-proofing of wool/cashmere fabrics, comprising the steps of:
step S1: preparing a three-prevention finishing liquid: 50-100g/L of three-proofing finishing agent, 5-12g/L of low-temperature cross-linking agent and 1-3g/L of penetrating agent are mixed;
step S2: wool/cashmere fabric impregnating three-proofing finishing liquid: the bath ratio is 1:10-1:40, the soaking time is 2-10min, the two-soaking and two-rolling are carried out, and the liquid carrying rate is 65-80%;
step S3: and (3) drying and baking: and (3) baking the padded wool/cashmere fabric at 80-100 ℃ for 8-20min.
2. The method for low temperature durable three-proofing of wool/cashmere fabric according to claim 1, wherein the three-proofing agent is a weak cationic hexafluoro-polymer emulsion with a solids content of 25-40%.
3. The method for low-temperature durable three-proofing of a wool/cashmere fabric according to claim 1, wherein the low-temperature crosslinking agent is any one of aziridines, polycarbodiimides and polyamines.
4. The method for low temperature durable three-proofing of wool/cashmere fabrics according to claim 1, wherein said penetrant is a low hydrophilic nonionic surfactant having an HLB value in the range of 1-5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310947054.8A CN116804313A (en) | 2023-07-31 | 2023-07-31 | Low-temperature durable three-proofing finishing method for wool/cashmere fabric |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310947054.8A CN116804313A (en) | 2023-07-31 | 2023-07-31 | Low-temperature durable three-proofing finishing method for wool/cashmere fabric |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07228638A (en) * | 1994-02-21 | 1995-08-29 | Dainippon Ink & Chem Inc | Method for producing fluorine-containing copolymer and water-repelling and oil-repelling agent |
| CN1851097A (en) * | 2006-05-19 | 2006-10-25 | 上海第十七棉纺织总厂 | Yarn low-temperature nano waterproof oil-proof finishing |
| CN101165264A (en) * | 2006-10-16 | 2008-04-23 | 恒源祥（集团）有限公司 | Nano type textile fabric multifunctional finishing agent and finishing method thereof |
| KR20100000549A (en) * | 2008-06-25 | 2010-01-06 | (주)에스엔에스 | Complex agent for wool containing textiles and finishing method using thereby |
| CN113430833A (en) * | 2021-07-09 | 2021-09-24 | 福可新材料(上海)有限公司 | Fluoride-free waterproof finishing liquid for ready-made clothes and application thereof |
-
2023
- 2023-07-31 CN CN202310947054.8A patent/CN116804313A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07228638A (en) * | 1994-02-21 | 1995-08-29 | Dainippon Ink & Chem Inc | Method for producing fluorine-containing copolymer and water-repelling and oil-repelling agent |
| CN1851097A (en) * | 2006-05-19 | 2006-10-25 | 上海第十七棉纺织总厂 | Yarn low-temperature nano waterproof oil-proof finishing |
| CN101165264A (en) * | 2006-10-16 | 2008-04-23 | 恒源祥（集团）有限公司 | Nano type textile fabric multifunctional finishing agent and finishing method thereof |
| KR20100000549A (en) * | 2008-06-25 | 2010-01-06 | (주)에스엔에스 | Complex agent for wool containing textiles and finishing method using thereby |
| CN113430833A (en) * | 2021-07-09 | 2021-09-24 | 福可新材料(上海)有限公司 | Fluoride-free waterproof finishing liquid for ready-made clothes and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| 文水平;: "羊毛新型拒水拒油低温交联工艺", 纺织学报, no. 06, 15 June 2006 (2006-06-15), pages 84 - 87 * |
| 祝斌;: "毛织物华达呢耐久拒水拒油整理的探讨", 纺织科学研究, no. 03, 25 September 2007 (2007-09-25), pages 43 - 49 * |
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