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Moisture-conducting cotton fiber modified by zinc oxide nanorod array or its fabric and preparation method thereof

A technology of zinc oxide nanorods and cotton fiber fabrics, which is applied in the field of textile materials, can solve the problems of reducing the elastic modulus of yarns, easy to wrinkle, and less influence on the moisture-conducting and comfortable functions of yarns, so as to improve mechanical properties and The effect of taking performance and improving binding force

Active Publication Date: 2021-07-16
FOSHAN MINGZHOU TEXTILE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Cotton fiber is an important raw material for the textile industry. The main component of cotton fiber is cellulose, which contains many hydrophilic groups such as hydroxyl groups, and cotton fiber has a natural crimp and hollow structure, and its cross-section is waist-round, so cotton The fiber has excellent hygroscopicity, warmth retention, softness, dyeability and antistatic properties. Shrinkage, not corrosion resistance and other shortcomings
[0003] At present, in order to improve the moisture-conducting performance of cotton fiber fabrics, cotton fibers are blended with moisture-conducting and quick-drying functional fibers into yarns or directly manufactured into cotton fiber fabrics with moisture-conducting functions. Yarns with moisture-conducting, vapor-permeable and comfortable-touch functions are composed of blended yarns of fine-denier circular cross-section polyester, cotton fiber or viscose fiber and H-shaped cross-section polyester fiber. H-shaped cross-section polyester fiber is used as the main fiber. In order to ensure that the yarn has a high moisture-conducting and comfortable function, fine-denier polyester is used to reduce the elastic modulus of the yarn, and it is combined with H-shaped cross-section polyester fibers to form more and thinner capillaries to improve moisture-conducting properties; cotton fibers or viscose are used Glue fiber improves the vapor permeability and comfortable function of the yarn and the comfort of the yarn, and has little effect on the moisture-conducting and comfortable function of the yarn. Cotton fiber itself has a greater influence on the wearability

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Moisture-conducting cotton fiber modified by zinc oxide nanorod array or its fabric and preparation method thereof
  • Moisture-conducting cotton fiber modified by zinc oxide nanorod array or its fabric and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] (1) After the cotton fiber or cotton fiber fabric is treated with low-temperature liquid nitrogen at -5°C for 5 minutes, it is slightly stretched at a strength of 10 cN / cm for 3 seconds, and then relaxed. The stretching time in intermittent stretching is 1 minute, and the obtained Processed cotton fibers.

[0028] (2) According to the mass ratio of zinc acetate and sodium hydroxide is 2:0.8, add the ethanol solution of zinc acetate into the ethanol solution of sodium hydroxide dropwise at a rate of 0.5ml / min, heat the reaction at 60°C, and the dropwise addition is completed Afterwards, the heating reaction was continued for 15 minutes to obtain a zinc oxide nanocrystal solution.

[0029] (3) One side of the pretreated cotton fiber is repeatedly coated with zinc oxide nanocrystal solution, and dried at room temperature to obtain zinc oxide nanocrystal-modified cotton fiber or its fabric with a thickness of 0.1 μm.

[0030] (4) The cotton fiber or its fabric modified by ...

Embodiment 2

[0033] (1) After the cotton fiber or cotton fiber fabric is treated with low-temperature liquid nitrogen at 0°C for 15 minutes, it is slightly stretched at a strength of 30 cN / cm for 5 seconds, and then relaxed. The stretching time in intermittent stretching is 3 minutes, and the pretreatment is obtained. of cotton fibers.

[0034] (2) According to the mass ratio of zinc acetate and sodium hydroxide is 2:1.2, the ethanol solution of zinc acetate is added dropwise into the ethanol solution of sodium hydroxide at a rate of 1ml / min, and the reaction is heated at 65°C. After the addition is completed, Continue heating and reacting for 30 minutes to obtain a zinc oxide nanocrystal solution.

[0035] (3) One side of the pretreated cotton fiber is repeatedly coated with zinc oxide nanocrystal solution, and dried at room temperature to obtain 0.2 μm thick zinc oxide nanocrystal modified cotton fiber or its fabric.

[0036] (4) The cotton fiber or its fabric modified by zinc oxide nan...

Embodiment 3

[0039] (1) After the cotton fiber or cotton fiber fabric is treated with low-temperature liquid nitrogen at -2°C for 12 minutes, it is slightly stretched at a strength of 20 cN / cm for 4 seconds, and then relaxed. The stretching time in intermittent stretching is 2 minutes, and the obtained Processed cotton fibers.

[0040] (2) According to the mass ratio of zinc acetate and sodium hydroxide is 2:0.9, add the ethanol solution of zinc acetate into the ethanol solution of sodium hydroxide dropwise at a rate of 0.6ml / min, heat the reaction at 63°C, and the dropwise addition is completed Afterwards, the heating reaction was continued for 20 minutes to obtain a zinc oxide nanocrystal solution.

[0041] (3) One side of the pretreated cotton fiber is repeatedly coated with zinc oxide nanocrystal solution, and dried at room temperature to obtain zinc oxide nanocrystal modified cotton fiber or its fabric with a thickness of 0.15 μm.

[0042] (4) The cotton fiber or its fabric modified ...

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Abstract

The invention provides a moisture-conducting cotton fiber modified by a zinc oxide nanorod array or a fabric thereof and a preparation method thereof, comprising the following steps: after the cotton fiber is treated with low-temperature liquid nitrogen, micro-stretched to obtain a pretreated cotton fiber; Add the ethanol solution of zinc acetate into the ethanol solution of sodium hydroxide dropwise, heat the reaction to obtain the zinc oxide nanocrystal solution; repeatedly coat the pretreated cotton fiber with the zinc oxide nanocrystal solution, dry at room temperature, and completely soak in nitric acid In the mixed solution of zinc and hexamethylenetetramine, shake at constant temperature to obtain zinc oxide modified moisture-conducting cotton fiber or its fabric; the other side of the moisture-conducting cotton fiber modified by zinc oxide nanorod array or its fabric is coated with The silk protein solution covered with nano-cellulose is dried at room temperature to obtain the moisture-conducting cotton fiber modified by the zinc oxide nano-rod array or its fabric. One side of the moisture-conducting cotton fiber modified by the zinc oxide nanorod array or its fabric prepared by the invention includes the zinc oxide nanorod array, and the other side includes nanocellulose whiskers and silk protein, which significantly improves the moisture permeability of the cotton fiber.

Description

technical field [0001] The invention belongs to the technical field of textile materials, and in particular relates to a moisture-conducting cotton fiber modified by a zinc oxide nanorod array or a fabric thereof and a preparation method thereof. Background technique [0002] Cotton fiber is an important raw material for the textile industry. The main component of cotton fiber is cellulose, which contains many hydrophilic groups such as hydroxyl groups, and cotton fiber has a natural crimp and cavity structure, and its cross-section is waist-round, so cotton The fiber has excellent hygroscopicity, warmth retention, softness, dyeability and antistatic properties. Shrinkage, not corrosion resistance and other shortcomings. [0003] At present, in order to improve the moisture-conducting performance of cotton fiber fabrics, cotton fibers are blended with moisture-conducting and quick-drying functional fibers into yarns or directly manufactured into cotton fiber fabrics with mo...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M11/44D06M15/05D06M15/15D06M10/06D06M101/06
CPCD06M10/06D06M11/44D06M15/05D06M15/15D06M2101/06
Inventor 刘清海
Owner FOSHAN MINGZHOU TEXTILE