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A kind of functional modified acrylic fiber for hair and preparation method thereof

A modified acrylic fiber and functional technology, which is applied in the field of functional modified acrylic fiber for hair and its preparation, can solve the problems of flame retardancy, antibacterial and deodorant functions and poor anti-ultraviolet functions, and achieves easy finishing, excellent elasticity, easy-to-shape effect

Active Publication Date: 2011-12-21
SHANGHAI REBECCA FIBER MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The present invention aims at overcoming the technical problems of poor flame retardancy, antibacterial and deodorant function and anti-ultraviolet function of existing products, and provides a functionally modified acrylic fiber for hair with better flame retardancy, antibacterial and deodorant function and anti-ultraviolet function. its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0021] 1. Preparation of Polymerization Solution

[0022] The product in the invention is formed by copolymerizing four monomers of acrylonitrile, vinylidene chloride, ester of alkacrylic acid, and ethylene containing sulfonic acid groups. By adjusting the weight ratio of the four monomers in the copolymer, the properties of the fibers can be adjusted in a wide range to meet the requirements of the wig products for the fibers.

[0023] In the copolymer prepared by the present invention, the suitable weight ratios of the four monomers are: 35-55 wt% of acrylonitrile, 35-45 wt% of vinylidene chloride, 6-8 wt% of ethylene containing sulfonic acid groups, and Alkyl acrylate 3.5-6.0wt%. According to special requirements, the ratio can be further adjusted to meet the requirements.

[0024] In the polymerization section, the four monomers are sent to the polymerization tank for polymerization through quantitative pumps according to a certain weight ratio. The solution polymerizatio...

Embodiment 1

[0034] Polymerization adopts a solution polymerization process, the initiator is an azo compound that can generate free radicals, the solvent is dimethylformamide (or dimethylacetamide), and the four comonomers are proportioned according to the following proportions, that is, acrylonitrile 50wt% , vinylidene chloride 38.5wt%, methyl methacrylate 0.5wt%, methacrylic acid 5.0wt%. In order to stabilize the polymerization process, a stabilizer is added to the polymerization liquid.

[0035] The components of the polymerization solution are continuously sent into the polymerization tank through quantitative pumps. The polymerization temperature is 55° C., and the polymerization pressure is 0.12 MPa. The stock solution flowing out from the polymerization kettle undergoes monomer removal and defoaming, adjusts the concentration to 23 wt%, and enters the stock solution storage tank for the preparation and spinning of the functional stock solution. The stock solution viscosity is 200...

Embodiment 2

[0039] Except that four kinds of comonomers were compounded according to the following proportions, namely, acrylonitrile 38 wt%, vinylidene chloride 45 wt%, methyl methacrylate 5.0 wt%, methacrylic acid 8.0 wt%, other processes were the same as in Example 1. The made wig fiber, after testing, has a fineness of 40dtex, a breaking strength of 2.0CN / dtex, a breaking elongation of 35%, a knot strength of 1.1CN / dtex, and a glossiness of 0.8. The processed hair products are flame retardant Performance: Limiting Oxygen Index 29%; Antibacterial performance: The inhibition rate of Staphylococcus aureus is 92%, which meets the national antibacterial material standard; The shielding rate of ultraviolet rays reaches 94%. It can be seen that the functional modified acrylic fiber produced by this technology The hair fiber has excellent physical indicators, has the functions of flame retardancy, antibacterial, and UV resistance, and has natural luster, smoothness, bulkiness, and human hair-l...

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Abstract

The invention relates to a functional modified acrylic fiber for hair and a preparation method thereof. The technical problems of low fire resistance and poor antibacterial, deodorant and ultraviolet-resistant functions of the conventional products are solved. The functional modified acrylic fiber for hair is prepared by copolymerizing four monomers of acrylonitrile, vinylidene chloride, sulfonicacid group-containing olefin and olefin acid ester. The fiber for hair also contains antibacterial powder, an anti-ultraviolet agent, a composite fire retardant and a pigment whose composition comprising carbon black pigment and cation black X-RL dye and a dye composite colorant. The fiber can serve as a precursor and a raw material for manufacturing fashionable hair products and noble artificial fur and has functionality of super natural hair.

Description

technical field [0001] The invention relates to a raw material production process in the hair product industry, in particular to a functional modified acrylic fiber for hair and a preparation method thereof. Background technique [0002] With the continuous development of society, wigs have gradually become people's pursuit of fashion trends and beauty. With the development of modern society, with the strengthening of people's overall dressing awareness and the pursuit of individual beauty, wigs are more and more accepted by people. The properties of hair fibers, such as physical properties, mechanical properties, optical properties, heat resistance, dyeability and flame retardancy, are extremely important to the usability (including re-styling) and processability of hair products. Although there are polyester wig fibers, polyvinyl chloride wig fibers, regenerated protein wig fibers, etc. on the market, acrylonitrile and its modified wig fibers have great advantages in hand...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01F6/54D01F6/48D01F1/10A41G3/00D01D5/06D01D5/12D01D10/02C08F220/46C08F214/08C08F2/04
Inventor 李全民杨明远刘术佳吴博郭楠
Owner SHANGHAI REBECCA FIBER MATERIAL TECH
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