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CN-122013504-A - High-heat-conductivity cotton fabric and preparation method thereof

CN122013504ACN 122013504 ACN122013504 ACN 122013504ACN-122013504-A

Abstract

The application relates to a cotton fabric with high thermal conductivity and a preparation method thereof, wherein the preparation method comprises the steps of placing hydroxylated nano-diamond in a solution containing 3- (trimethoxysilyl) propyl methacrylate for first modification treatment to obtain first modified nano-diamond; adding mercapto malic acid into the dispersion liquid of the first modified nano diamond for the second modification treatment to obtain a second modified nano diamond, adding a catalyst into the dispersion liquid of the second modified nano diamond to obtain a finishing liquid, and placing cotton fabric into the finishing liquid for padding treatment, and then drying and baking to obtain the cotton fabric with high thermal conductivity. The preparation method disclosed by the application can be used for remarkably improving the heat conductivity of the cotton fabric, so that the cotton fabric can meet the performance requirements in the fields of cool fabric, special protective fabric and the like, is simple and easy to operate, and is beneficial to popularization and application.

Inventors

  • HU HANCHANG
  • ZHU WEIBIAO
  • GE WEN
  • LIU LI
  • TAO KUN

Assignees

  • 湖州师范大学
  • 上海航永光电新材料有限公司

Dates

Publication Date
20260512
Application Date
20260410

Claims (10)

  1. 1. The preparation method of the cotton fabric with high thermal conductivity is characterized by comprising the following steps of: step one, placing the hydroxylated nano diamond in a solution containing 3- (trimethoxysilyl) propyl methacrylate for the first modification treatment to obtain first modified nano diamond; step two, adding sulfhydryl malic acid into the dispersion liquid of the first modified nano diamond for the second modification treatment to obtain a second modified nano diamond; step three, adding a catalyst into the dispersion liquid of the second modified nano diamond to obtain a finishing liquid; and fourthly, placing the cotton fabric into the finishing liquid for padding treatment, and drying and baking to obtain the cotton fabric with high heat conductivity.
  2. 2. The method of producing a high thermal conductivity cotton fabric according to claim 1, wherein the first modified nanodiamond has a peak intensity ratio of carbonyl characteristic peaks to nitrogen impurity characteristic peaks of not less than 5:1 in the infrared spectrum.
  3. 3. The method of producing a high thermal conductivity cotton fabric according to claim 1, wherein the peak intensity ratio of the carboxyl characteristic peak to the nitrogen impurity characteristic peak of the second modified nanodiamond in the infrared spectrum is not lower than 5:1.
  4. 4. The method of making a high thermal conductivity cotton fabric according to claim 1, wherein step one meets at least one of the following conditions: (1) In the solution containing 3- (trimethoxysilyl) propyl methacrylate, the mass concentration of the 3- (trimethoxysilyl) propyl methacrylate is 1% -3%; (2) The temperature of the first modification treatment is 25-40 ℃ and the time is 1-5 min; (3) And after the first modification treatment, filtering and drying at 100-120 ℃ for 10-30 min to obtain the first modified nano-diamond.
  5. 5. The method of producing a high thermal conductivity cotton fabric according to claim 1, wherein step two satisfies at least one of the following conditions: (1) In the dispersion liquid of the first modified nano-diamond, the mass concentration of the first modified nano-diamond is 50-100 ct/L; (2) The concentration of the mercapto malic acid in the dispersion liquid is 10 g/L-30 g/L; (3) Before adding the mercapto malic acid, adjusting the dispersion to be acidic; (4) The temperature of the second modification treatment is 80-100 ℃ and the time is 9-12 h; (5) And after the second modification treatment, filtering and drying at 100-120 ℃ for 10-30 min to obtain the second modified nano-diamond.
  6. 6. The method of producing a high thermal conductivity cotton fabric according to claim 1, wherein step three satisfies at least one of the following conditions: (1) The catalyst is selected from hypophosphites; (2) In the finishing liquid, the mass ratio of the catalyst to the second modified nano diamond is (1-2) 1; (3) In the dispersion liquid of the second modified nano-diamond, the mass concentration of the second modified nano-diamond is 50-100 ct/L.
  7. 7. The method of producing a high thermal conductivity cotton fabric according to claim 1, wherein step four satisfies at least one of the following conditions: (1) The rolling liquid rate is 75% -85%; (2) The padding treatment mode is selected from two padding and two rolling; (3) The temperature of the drying is 85-100 ℃ and the time is 3-5 min; (4) The baking temperature is 150-180 ℃ and the baking time is 2 min-4 min.
  8. 8. The method of claim 1, wherein the hydroxylated nanodiamond is prepared by treating nanodiamond with at least one of a piranha solution, a nitric acid sulfuric acid mixture, or an oxyhydrogen plasma etch.
  9. 9. The method of producing a high thermal conductivity cotton fabric according to claim 8, wherein the particle size of the nanodiamond is 100nm or less.
  10. 10. A high thermal conductivity cotton fabric produced by the method of producing a high thermal conductivity cotton fabric according to any one of claims 1 to 9.

Description

High-heat-conductivity cotton fabric and preparation method thereof Technical Field The application relates to the technical field of textile production, in particular to a cotton fabric with high heat conductivity and a preparation method thereof. Background Cotton fibers, which are typical representatives of natural cellulose fibers, are important in the field of textile clothing because of their excellent moisture absorption and breathability, wearing comfort and environmental friendliness. However, with the rapid increase of the demands for functional textiles, the heat conductivity of the traditional cotton fibers is difficult to meet the severe requirements of the fields of intelligent temperature-regulating clothing, special protective fabrics and the like on the heat management performance. The longitudinal heat conductivity of the pure cotton fiber is only 0.26W/(m.K) -0.34W/(m.K), and the directional heat conduction is severely limited by the porous structure and the low vibration modulus of the cellulose molecular chain, so that the heat accumulation of the fabric in summer is serious or the heat stress risk of the special protective clothing is aggravated. Disclosure of Invention Based on the above, the application provides the cotton fabric with high thermal conductivity and the preparation method thereof, which can obviously improve the thermal conductivity of the cotton fabric, so that the cotton fabric can meet the performance requirements in the fields of cool fabric, special protective fabric and the like, and the method is simple and easy to operate, thereby being beneficial to popularization and application. A preparation method of a cotton fabric with high thermal conductivity comprises the following steps: step one, placing the hydroxylated nano diamond in a solution containing 3- (trimethoxysilyl) propyl methacrylate for the first modification treatment to obtain first modified nano diamond; step two, adding sulfhydryl malic acid into the dispersion liquid of the first modified nano diamond for the second modification treatment to obtain a second modified nano diamond; step three, adding a catalyst into the dispersion liquid of the second modified nano diamond to obtain a finishing liquid; and fourthly, placing the cotton fabric into the finishing liquid for padding treatment, and drying and baking to obtain the cotton fabric with high heat conductivity. In one embodiment, in the infrared spectrum, the peak intensity ratio of the carbonyl characteristic peak to the nitrogen impurity characteristic peak of the first modified nanodiamond is not less than 5:1. In one embodiment, in the infrared spectrum, the peak intensity ratio of the carboxyl characteristic peak to the nitrogen impurity characteristic peak of the second modified nanodiamond is not lower than 5:1. In one embodiment, step one satisfies at least one of the following conditions: (1) In the solution containing 3- (trimethoxysilyl) propyl methacrylate, the mass concentration of the 3- (trimethoxysilyl) propyl methacrylate is 1% -3%; (2) The temperature of the first modification treatment is 25-40 ℃ and the time is 1-5 min; (3) And after the first modification treatment, filtering and drying at 100-120 ℃ for 10-30 min to obtain the first modified nano-diamond. In one embodiment, step two satisfies at least one of the following conditions: (1) In the dispersion liquid of the first modified nano-diamond, the mass concentration of the first modified nano-diamond is 50-100 ct/L; (2) The concentration of the mercapto malic acid in the dispersion liquid is 10 g/L-30 g/L; (3) Before adding the mercapto malic acid, adjusting the dispersion to be acidic; (4) The temperature of the second modification treatment is 80-100 ℃ and the time is 9-12 h; (5) And after the second modification treatment, filtering and drying at 100-120 ℃ for 10-30 min to obtain the second modified nano-diamond. In one embodiment, step three satisfies at least one of the following conditions: (1) The catalyst is selected from hypophosphites; (2) In the finishing liquid, the mass ratio of the catalyst to the second modified nano diamond is (1-2) 1; (3) In the dispersion liquid of the second modified nano-diamond, the mass concentration of the second modified nano-diamond is 50-100 ct/L. In one embodiment, step four satisfies at least one of the following conditions: (1) The rolling liquid rate is 75% -85%; (2) The padding treatment mode is selected from two padding and two rolling; (3) The temperature of the drying is 85-100 ℃ and the time is 3-5 min; (4) The baking temperature is 150-180 ℃ and the baking time is 2 min-4 min. In one embodiment, the hydroxylated nanodiamond is prepared by treating the nanodiamond with at least one of a piranha solution dip, a nitric acid sulfuric acid mixture dip, or an oxyhydrogen plasma etch. In one embodiment, the nanodiamond has a particle size of less than or equal to 100nm. A high thermal conductivity cotton fabric is prepare