CN115637590A - Preparation method and application of super-strong and super-wear-resistant cotton fabric - Google Patents
Preparation method and application of super-strong and super-wear-resistant cotton fabric Download PDFInfo
- Publication number
- CN115637590A CN115637590A CN202211320241.5A CN202211320241A CN115637590A CN 115637590 A CN115637590 A CN 115637590A CN 202211320241 A CN202211320241 A CN 202211320241A CN 115637590 A CN115637590 A CN 115637590A
- Authority
- CN
- China
- Prior art keywords
- cotton fabric
- super
- wear
- strong
- ultra
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920000742 Cotton Polymers 0.000 title claims abstract description 68
- 239000004744 fabric Substances 0.000 title claims abstract description 57
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 238000001035 drying Methods 0.000 claims abstract description 21
- 239000012948 isocyanate Substances 0.000 claims abstract description 12
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 12
- 238000002791 soaking Methods 0.000 claims abstract description 12
- 229920005862 polyol Polymers 0.000 claims abstract description 9
- 150000003077 polyols Chemical class 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 229920002635 polyurethane Polymers 0.000 claims abstract description 6
- 239000004814 polyurethane Substances 0.000 claims abstract description 6
- 239000002052 molecular layer Substances 0.000 claims abstract description 5
- 238000005406 washing Methods 0.000 claims abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 239000004753 textile Substances 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 7
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 4
- 239000000243 solution Substances 0.000 claims description 4
- 150000005846 sugar alcohols Polymers 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 2
- 239000003513 alkali Substances 0.000 claims description 2
- 229920000570 polyether Polymers 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract description 9
- 238000000576 coating method Methods 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000000835 fiber Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 9
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005411 Van der Waals force Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- XLJMAIOERFSOGZ-UHFFFAOYSA-N anhydrous cyanic acid Natural products OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Landscapes
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a preparation method and application of a super-strong super-wear-resistant cotton fabric, which comprises the following steps: pre-treating cotton fabric, soaking in water solution of isocyanate at heat sealing end, drying, soaking in polyol to control liquid carrying rate, treating at high temperature, washing and stoving. The invention adopts a coating finishing technology, grafts a polyurethane molecular layer on the surface of the cotton fiber, increases the cohesive force between fibers, and forms a layer of protective film on the surface of the fabric, thereby being beneficial to improving the strength and the wear resistance of the fabric, and having simple and convenient operation, energy saving and environmental protection.
Description
Technical Field
The invention belongs to the technical field of high-performance textile products, and particularly relates to a preparation method and application of a super-strong super-wear-resistant cotton fabric.
Background
The cotton fiber is used as the natural cellulose fiber, has high yield and reproducibility, is the most main raw material in the textile industry, and the fiber product has the advantages of moisture absorption, heat preservation, softness, comfort, excellent wearability and wide application in the field of textile and clothing. Currently, a fly-knitted vamp which is light, breathable, easy to process and capable of being integrally formed becomes a hot door, is usually prepared from polyester filaments, but is uncomfortable due to poor hygroscopicity; the cotton fiber is an ideal material for producing the fly-knitted vamp, but has the problems of poor wear resistance, non-waterproofness and the like, if the wear resistance and the hydrophobicity of the fly-knitted vamp can be effectively improved, the fly-knitted vamp can achieve the performances of wear resistance, ventilation, comfort, light weight, softness, moisture absorption, sweat release, waterproofness, antifouling property and the like, the service life and the waterproofness of the fly-knitted vamp can be effectively prolonged, the application range of the fly-knitted vamp is expanded, and the additional value of the fly-knitted vamp is improved.
The coating finishing method can endow the fabric with functionality, is simple and convenient to operate, and has the problems of poor binding fastness between macromolecules and fibers and easy shedding. Thermoplastic Polyurethane (TPU) is a high polymer material formed by co-reacting and polymerizing isocyanate and polyol, the molecular structure of the TPU is formed by alternating rigid blocks and flexible chain segments, and the TPU has the excellent characteristics of high strength, high toughness, wear resistance, water resistance and aging resistance, and is a mature environment-friendly material. .
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a preparation method of a super-strong super-wear-resistant cotton fabric, which is characterized by comprising the following steps:
step 1, pretreating a cotton fabric, then placing the cotton fabric into a heat-blocked isocyanate aqueous solution, soaking the cotton fabric at the temperature of 30-40 ℃, taking out the cotton fabric, and drying the cotton fabric to form a sample A;
step 2, immersing the sample A into polyhydric alcohol at the temperature of 30-40 ℃ for treatment, and drying to form a sample B;
step 3, processing the sample B at high temperature, activating the isocyanate group (-NCO) at the heat-sealing end, reacting with hydroxyl in cotton fiber and hydroxyl in polyol, and forming a polyurethane molecular layer on the surface of the cotton fabric; washing and drying to obtain the super-strong and super-wear-resistant cotton fabric.
The pretreatment of the cotton fabric in the step 1 specifically comprises the following steps: soaking the cotton fabric in caustic soda solution for treatment, then removing alkali liquor, and placing the cotton fabric in an oven for low-temperature drying to obtain the clean cotton fabric.
The concentration of the caustic soda solution is 1-5 wt%, and the treatment time is 20-30 min.
The concentration of the hot-sealing end isocyanate aqueous solution in the step 1 is 1-4 wt%, the soaking time is 20-40 min, and under the condition, the hot-sealing end isocyanate is connected with the hydroxyl in the cotton fiber through hydrogen bonds and van der Waals force and is adsorbed on the surface of the cotton fiber.
The drying temperature in the step 1 is 50-70 ℃, and the drying time is 1-1.5 h.
The polyhydric alcohol in the step 2 is polyester or polyether, the concentration is 2-8 wt%, the liquid carrying rate is controlled to be 10-20%, and under the condition, the hydroxyl in the cotton fiber, the hydroxyl in the polyhydric alcohol and the isocyanic acid radical at the heat sealing end are connected through hydrogen bonds and van der Waals force and are adsorbed on the surface of the cotton fiber. The drying temperature in the step 2 is 50-70 ℃, and the drying time is 2-2.5 h.
The high temperature in the step 3 is 130-150 ℃, and the treatment time is 20-40 min.
The super-strong super-wear-resistant cotton fabric prepared by the method can be applied to the flying-knitted vamps.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the polyurethane molecular layer is grafted on the surface of the cotton fiber, so that the strength of the cotton fabric is improved, the wear resistance of the cotton fabric is enhanced, the advantages of the coating and the characteristics of the textile are integrated, and the textile fabric with super-strong and super-wear resistance and high performance is prepared on the premise of not influencing the normal use of the cotton fabric basically, and the coating is tightly combined with the cotton fiber and is not easy to fall off.
According to the invention, the coating finishing is carried out on the cotton fabric only by adopting a TPU synthesis process, special equipment is not needed, the operation process is simplified, the manpower, material resources and financial resources are greatly saved, the industrialization can be realized, and greater economic benefits are obtained.
Drawings
FIG. 1 is a scanning electron microscope of cotton fibers after treatment according to the technique of example 1;
FIG. 2 is a scanning electron micrograph of untreated cotton fibers.
Detailed Description
The present invention is further illustrated below with reference to specific examples, which are not intended to limit the scope of the present invention.
Example 1
Placing the pretreated clean cotton yarn into a heat-seal end isocyanate aqueous solution with the mass fraction of 3wt%, soaking for 30min at 40 ℃, then drying for 1h at 60 ℃, then soaking at 40 ℃ in polyol with the mass fraction of 6wt%, controlling the liquid carrying rate to be 10%, taking out, placing in a 60 ℃ oven for 2h, then heating for 20min at 140 ℃, and finally cleaning and drying. Scanning electron microscope test is carried out on the cotton yarn after coating finishing, and the fact that the diameter of cotton fibers is slightly increased and some bonding structures are generated between adjacent fibers shows that polyurethane molecular layers are grafted on the surfaces of the cotton fibers to form protective layers shows that the processing technology is effective.
Example 2
Placing the pretreated clean cotton fabric in 1wt% of heat-seal end isocyanate aqueous solution, soaking for 30min at 30 ℃, drying for 1h at 60 ℃, soaking at 30 ℃ in 2wt% of polyol, controlling the liquid carrying rate to be 10%, taking out, placing in a 60 ℃ oven for 2h, heating for 20min at 140 ℃, and finally cleaning and drying.
Example 3
The clean cotton fabric used in example 1 was dipped in 2wt% aqueous solution of heat-seal terminal isocyanate, soaked at 40 ℃ for 30min, dried at 60 ℃ for 1h, then soaked in polyol at 40 ℃ with a mass fraction of 4wt%, the liquid carrying rate was controlled at 15%, taken out, treated in an oven at 60 ℃ for 2h, finally heat treated at 140 ℃ for 20min, and finally dewatered and dried with deionized water.
Example 4
The clean cotton fabric used in the example 1 is soaked in 4wt% of heat-seal end isocyanate aqueous solution at 40 ℃ for 30min, then dried at 60 ℃ for 1h, then soaked in polyol at 40 ℃ with the mass fraction of 8wt% and the liquid carrying rate controlled at 20%, taken out, treated in a 60 ℃ oven for 2h, finally heated at 140 ℃ for 20min, and finally washed with deionized water and dehydrated and dried.
Test examples are introduced below:
according to the national standard GB/T21196-2007 determination of the textile Martindall method textile wear resistance, a Y522N type textile wear resistance instrument is adopted for testing. Shearing an untreated cotton fabric sample and the samples of examples 2 to 4 into a circle with the radius of 12cm, leaving a small hole in the middle, and carrying out wear resistance test, wherein the mass before the test is m 0 Mass after 500 wearing is m 2 The formula for calculating the wear loss is:
the number of rubs to break the first yarn was recorded as the number of abrasion resistance.
According to the national standard GB/T3923.1-2013, an HD026N type electronic fabric strength tester is used for testing untreated cotton fabric samples and samples in examples 2-4 to obtain tensile breaking strength, an instrument is calibrated before testing, each sample is tested for 5 times, and an average value is obtained.
The properties of the untreated cotton fabric samples and the samples of examples 2 to 4 are shown in the following table, and it is found that the strength and the wear resistance of the cotton fabric finished by the coating are obviously enhanced, so that the super-strong super wear-resistant cotton fabric is obtained and can be used for flying woven vamps and the like.
TABLE 1 abrasion resistance test
TABLE 2 Strength test
In conclusion, the TPU coating is adopted to treat the cotton fabric, the polyurethane molecular layer is connected with the cotton fiber through the hydrogen bond, the combination is tight and not easy to fall off, the finished fabric has high strength, wear resistance, water resistance and good elasticity, and the service characteristics of the fabric can be maintained; the cotton fabric finished by the TPU coating is moisture-absorbing and breathable, soft and comfortable, high-strength and high-wear-resistance, waterproof and rainproof; the fly-woven shoes which are easy to wear, durable and environment-friendly can be manufactured.
Claims (8)
1. A preparation method of super-strong and super-wear-resistant cotton fabric comprises the following steps:
(1) Pretreating a cotton fabric, then placing the cotton fabric into a hot-end-capped isocyanate aqueous solution, soaking the cotton fabric at the temperature of 30-40 ℃, taking out the cotton fabric, and drying the cotton fabric to obtain a sample A;
(2) Immersing the sample A into polyol at the temperature of 30-40 ℃, and drying to obtain a sample B;
(3) After the sample B is treated at high temperature, the isocyanate at the heat-sealing end is activated and reacts with hydroxyl in cotton fiber and hydroxyl in polyalcohol to form a polyurethane molecular layer on the surface of cotton fabric; washing and drying to obtain the super-strong and super-wear-resistant cotton fabric.
2. The preparation method of the super strong super wear-resistant cotton fabric according to claim 1, characterized in that: the pretreatment of the cotton fabric in the step (1) is specifically as follows: soaking the cotton fabric in a caustic soda solution for treatment, wherein the concentration of the caustic soda solution is 1 to 5wt%, the treatment time is 20 to 30min, and then removing alkali liquor and placing the cotton fabric in an oven for low-temperature drying.
3. The preparation method of the ultra-strong and ultra-wear-resistant cotton fabric according to claim 1, which is characterized in that: the concentration of the hot-sealing isocyanate aqueous solution in the step (1) is 1-4 wt%, and the soaking time is 20-40min.
4. The preparation method of the ultra-strong and ultra-wear-resistant cotton fabric according to claim 1, which is characterized in that: in the step (1), the drying temperature is 50-70 ℃, and the drying time is 1-1.5h.
5. The preparation method of the ultra-strong and ultra-wear-resistant cotton fabric according to claim 1, which is characterized in that: the polyol in the step (2) is polyester or polyether, the concentration is 2 to 8wt%, and the liquid carrying rate is controlled to be 10 to 20%.
6. The preparation method of the ultra-strong and ultra-wear-resistant cotton fabric according to claim 1, which is characterized in that: the drying temperature in the step (2) is 50-70 ℃, and the drying time is 2-2.5h.
7. The preparation method of the ultra-strong and ultra-wear-resistant cotton fabric according to claim 1, which is characterized in that: the high temperature in the step (3) is 130 to 150 ℃, and the processing time is 20 to 40min.
8. Use of a super strong super wear resistant cotton fabric prepared according to any one of claims 1 to 7 on a flying textile upper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211320241.5A CN115637590A (en) | 2022-10-26 | 2022-10-26 | Preparation method and application of super-strong and super-wear-resistant cotton fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211320241.5A CN115637590A (en) | 2022-10-26 | 2022-10-26 | Preparation method and application of super-strong and super-wear-resistant cotton fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115637590A true CN115637590A (en) | 2023-01-24 |
Family
ID=84947303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211320241.5A Pending CN115637590A (en) | 2022-10-26 | 2022-10-26 | Preparation method and application of super-strong and super-wear-resistant cotton fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115637590A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4090844A (en) * | 1977-06-23 | 1978-05-23 | The United States Of America As Represented By The Secretary Of Agriculture | Process of producing high performance durable-press cotton |
| CN103981718A (en) * | 2014-05-23 | 2014-08-13 | 约克夏染料（中山）有限公司 | Preparation method and application of super-hydrophobic antimicrobial wash-resisting multifunctional finishing agent for pure cotton fabrics |
| CN108329452A (en) * | 2018-03-22 | 2018-07-27 | 合肥安利聚氨酯新材料有限公司 | A kind of use for synthetic leather non yellowing type solventless polyurethane adhesive layer resin and the preparation method and application thereof |
| CN108824007A (en) * | 2018-06-25 | 2018-11-16 | 丹东优耐特纺织品有限公司 | Durable antistatic, rub resistance, Waterproof Breathable, waterproof water-proof jacket fabric processing and treating method |
| CN109505138A (en) * | 2018-11-03 | 2019-03-22 | 东华大学 | A kind of blocked isocyanate and polyurethane cooperate with anti-crease finishing method to cotton fabric |
| CN109811544A (en) * | 2019-01-12 | 2019-05-28 | 常州布奇纺织有限公司 | A kind of preparation method of wear-resisting super-hydrophobic cotton fabric |
| CN109914118A (en) * | 2019-02-19 | 2019-06-21 | 东莞市喜宝体育用品科技有限公司 | A kind of three proofings fly to knit vamp |
| CN113897783A (en) * | 2021-09-28 | 2022-01-07 | 北京中纺化工股份有限公司 | Preparation method of environment-friendly breathable antifouling shoe material fabric and padding liquid |
| CN114775312A (en) * | 2022-04-27 | 2022-07-22 | 赵井海 | Washable cotton fabric dye and preparation method thereof |
-
2022
- 2022-10-26 CN CN202211320241.5A patent/CN115637590A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4090844A (en) * | 1977-06-23 | 1978-05-23 | The United States Of America As Represented By The Secretary Of Agriculture | Process of producing high performance durable-press cotton |
| CN103981718A (en) * | 2014-05-23 | 2014-08-13 | 约克夏染料（中山）有限公司 | Preparation method and application of super-hydrophobic antimicrobial wash-resisting multifunctional finishing agent for pure cotton fabrics |
| CN108329452A (en) * | 2018-03-22 | 2018-07-27 | 合肥安利聚氨酯新材料有限公司 | A kind of use for synthetic leather non yellowing type solventless polyurethane adhesive layer resin and the preparation method and application thereof |
| CN108824007A (en) * | 2018-06-25 | 2018-11-16 | 丹东优耐特纺织品有限公司 | Durable antistatic, rub resistance, Waterproof Breathable, waterproof water-proof jacket fabric processing and treating method |
| CN109505138A (en) * | 2018-11-03 | 2019-03-22 | 东华大学 | A kind of blocked isocyanate and polyurethane cooperate with anti-crease finishing method to cotton fabric |
| CN109811544A (en) * | 2019-01-12 | 2019-05-28 | 常州布奇纺织有限公司 | A kind of preparation method of wear-resisting super-hydrophobic cotton fabric |
| CN109914118A (en) * | 2019-02-19 | 2019-06-21 | 东莞市喜宝体育用品科技有限公司 | A kind of three proofings fly to knit vamp |
| CN113897783A (en) * | 2021-09-28 | 2022-01-07 | 北京中纺化工股份有限公司 | Preparation method of environment-friendly breathable antifouling shoe material fabric and padding liquid |
| CN114775312A (en) * | 2022-04-27 | 2022-07-22 | 赵井海 | Washable cotton fabric dye and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103147304B (en) | Process for producing high-density nylon fabric | |
| CN100497789C (en) | Method for fabricating soft knitting face fabric from cotton | |
| CN102138709B (en) | Method for preparing maize biology-based special-leather-feel top grade leisure shell fabric | |
| CN103126140B (en) | Production process of cashmere lining cloth | |
| CN107083685A (en) | A kind of method arranged using keratinase and chitosan to wool fabric | |
| CN111335029A (en) | Washing-resistant crease-resistant finishing method for cotton fabric | |
| CN113403859A (en) | Preparation process of green environment-friendly fluorine-free bio-based space synthetic leather | |
| CN111172775A (en) | Manufacturing method of tooling fabric | |
| CN112921653B (en) | Crease-resistant finishing method for high-hydrophilicity retention of cellulose fiber fabric | |
| CN110130104A (en) | A kind of Flame Retarded Silk Fibers fabric and preparation method thereof based on biomass | |
| CN107904960B (en) | Preparation method of smooth artificial synthetic leather | |
| CN113604934A (en) | Production process of moisture-absorbing quick-drying unidirectional moisture-conducting high-elastic fabric | |
| CN115637590A (en) | Preparation method and application of super-strong and super-wear-resistant cotton fabric | |
| CN111516309A (en) | Silver mirror waterproof water pressure resistant fabric and general manufacturing process thereof | |
| CN111155319A (en) | Superfine fiber synthetic leather using recycled renewable resources and preparation method thereof | |
| CN114622404A (en) | Processing method of anti-ultraviolet polyester fabric | |
| CN105755855A (en) | Production technology of water-proof cloth | |
| KR101198375B1 (en) | Manufacturing Process of High-Fastness Acetate/Nylon/Spandex Woven-Knitted Fabrics | |
| CN104818606A (en) | Waterproof textile | |
| CN114561797A (en) | Finishing method of cool polyester fabric | |
| EP1915481B1 (en) | Process for printing and finishing on fabrics partially or totally containing aramidic fibre, in the form of filament and/or flock | |
| CN110258108B (en) | Crease-resistant finishing method for cotton fabric | |
| CN113022083A (en) | Manufacturing process of light and thin chemical fiber woven laminated fabric | |
| CN110820331A (en) | Preparation method of high-strength anti-wrinkle finishing agent material for natural fiber fabric | |
| CN111472169A (en) | Preparation method of all-cotton anti-pilling super-soft sanded fabric |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |