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Preparation method of high-strength structural color fibers

A structural color, high-strength technology, used in carbon fiber, fiber processing, textiles and papermaking, etc., can solve the problem that the mechanical properties of structural color fibers do not meet the requirements of wear, improve aging resistance and chemical resistance, and improve strength. Effect

Inactive Publication Date: 2019-12-03
曹运福
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0017] The technical problem to be solved by the present invention: Aiming at the problem that the mechanical properties of the existing structural colored fibers cannot meet the requirements for taking, a method for preparing high-strength structured colored fibers is provided

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Wash styrene with a mass fraction of 10% sodium hydroxide solution for 3 times, and separate the upper oily liquid with a separatory funnel, repeat the above operation until it is colorless, and then obtain the reaction solution, wash the reaction solution with deionized water to the water layer If it is neutral, then the washing solution is obtained. Mix and dry anhydrous calcium chloride and the washing solution according to the mass ratio of 1:3. Distill under reduced pressure at a temperature of 40°C and a pressure of 18mmHg, and collect fractions to obtain pretreated styrene; Mix ammonium persulfate, poly-N-isopropylacrylamide and deionized water at a mass ratio of 1:10:3, and adjust the pH value to 8.0 with a mass fraction of 1% sodium hydroxide solution to obtain a mixed solution. Mix the pretreated styrene with the mixed solution at a ratio of 1:3, and bubble it at room temperature for 20 minutes under a nitrogen atmosphere to obtain a matrix liquid. Stir the mat...

Embodiment 2

[0041] Wash styrene with a mass fraction of 10% sodium hydroxide solution for 4 times, and separate the upper oily liquid with a separatory funnel, repeat the above operation until it is colorless, and obtain the reaction solution, wash the reaction solution with deionized water to the water layer It is neutral to obtain the washing solution. Mix and dry anhydrous calcium chloride and the washing solution according to the mass ratio of 1:3. Distill under reduced pressure at a temperature of 42°C and a pressure of 19 mmHg to collect fractions to obtain pretreated styrene; Mix ammonium persulfate, poly-N-isopropylacrylamide and deionized water at a mass ratio of 1:10:3, and adjust the pH value to 8.1 with a mass fraction of 1% sodium hydroxide solution to obtain a mixed solution. Mix the pretreated styrene with the mixed solution at a ratio of 1:3, and bubble it at room temperature for 25 minutes under a nitrogen atmosphere to obtain a matrix liquid. Stir the matrix liquid at a t...

Embodiment 3

[0043] Wash styrene with a mass fraction of 10% sodium hydroxide solution 5 times, and separate the upper oily liquid with a separatory funnel, repeat the above operation until it is colorless, and then obtain the reaction solution, wash the reaction solution with deionized water to the water layer It is neutral to obtain the washing liquid, and the anhydrous calcium chloride and the washing liquid are mixed and dried at a temperature of 44 ° C and a pressure of 20 mmHg according to the mass ratio of 1:3, and the fraction is collected to obtain pretreated styrene; Mix ammonium persulfate, poly-N-isopropylacrylamide and deionized water at a mass ratio of 1:10:3, and adjust the pH value to 8.2 with a mass fraction of 1% sodium hydroxide solution to obtain a mixed solution. Mix the pretreated styrene with the mixed solution at a ratio of 1:3, and bubble it at room temperature for 30 minutes under a nitrogen atmosphere to obtain a matrix liquid. Stir the matrix liquid at a temperat...

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Abstract

The invention relates to a preparation method of high-strength structural color fibers, and belongs to the technical field of textile materials. Poly N-isopropyl acrylamide is used for grafting polystyrene to prepare a nanosphere emulsion, by adopting an alternating deposition technology, the surfaces of carbon fibers are alternately spin-coated with and deposited with a mixed emulsion compoundedof the emulsion, silicon dioxide microspheres and epoxy resin layer upon layer, and bragg grating-shaped structural color fibers with good mechanical performance are prepared; the silicon dioxide microspheres have optical performance for resisting ultraviolet light, when the silicon dioxide microspheres are doped in materials, the anti-ageing performance and chemical resistance performance of thematerials can be improved, and the strength and intensity of the materials can also be improved; according to the preparation method, by adopting the alternating deposition technology, the surfaces ofthe carbon fibers are alternately spin-coated with and deposited with the mixed emulsion layer upon layer, and fracture length and tearing indexes, a bursting index and folding resistance degree of afabric are greatly improved; the fracture length and bursting strength of the fabric are closely related to the binding intensity among the fibers, and after the surfaces of the fibers are subjectedto alternating deposition, the binding force among the fibers of the fabric is greatly improved.

Description

technical field [0001] The invention relates to a preparation method of high-strength structural colored fibers, belonging to the technical field of textile materials. Background technique [0002] The dyeing process of textiles is essentially based on the transfer and diffusion of dyestuffs from the external medium to fibers, and is the distribution process of dyestuffs between the two phases. It consists of dye diffusion from the outer phase to the fiber surface, adsorption on the fiber surface, diffusion in the fiber, and adsorption and fixation on the inner surface of the fiber. [0003] The dyeing process is generally divided into four stages: [0004] (1) Dye molecules flow close to the fiber interface with the dye solution [0005] This stage is mainly affected by the flow rate of the dye liquor. The closer to the fiber interface, the slower the flow rate of the dye liquor, forming a velocity gradient between the dye liquor body and the fiber section. Generally, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M15/55D06M15/21D06M15/285D06M15/233C08F265/10C08F212/08D06M101/40
CPCC08F265/10D06M15/21D06M15/233D06M15/285D06M15/55D06M2101/40C08F212/08
Inventor 曹运福
Owner 曹运福
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