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Preparation method of antibacterial high-strength polyethylene fibers

A technology of high-strength polyethylene and a manufacturing method, which is applied in the field of fiber manufacturing, can solve the problem that high-strength and high-modulus polyethylene fibers do not have antibacterial effect, etc., and achieve the effect of good antibacterial effect.

Inactive Publication Date: 2019-03-15
盐城优和博新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a method for manufacturing antibacterial high-strength polyethylene fibers, aiming to solve the problem that most of the current production of high-strength and high-modulus polyethylene fibers adopts a wet spinning process, but the produced high-strength and high-modulus polyethylene fibers do not have antibacterial effects, and products such as women's underwear There is a certain demand for the antibacterial properties of fiber materials in the manufacturing process, so a high-strength and high-modulus polyethylene fiber material with antibacterial properties is needed to solve this problem

Method used

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  • Preparation method of antibacterial high-strength polyethylene fibers

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Step (1) Prepare spinning dope: heat 330g of white oil to 50°C, add 30g of ultra-high molecular weight polyethylene, fully disperse and emulsify in a high-speed emulsifier to form a mixture of ultra-high molecular weight polyethylene and white oil; Put 0.396g of nano-silver powder antibacterial additive into the above mixture, and fully emulsify it again in a high-speed emulsifier; put the obtained mixture material into a reactor at 100°C and heat it up and stir for 2 hours to prepare the swelling material to obtain spinning dope;

[0045] Step (2) Preparation of jelly spinning: transfer the prepared spinning stock solution to the twin-screw spinning machine, extrude, melt, stir, and control the temperature of the spinning stock solution at 250°C, and pass through the spinning assembly The viscous filaments are ejected and cooled by circulating cooling water to form gel spinning;

[0046] Step (3) Balance of semi-finished jelly spinning: store the formed jelly spinning...

Embodiment 2

[0051] Step (1) Preparation of spinning dope: heat 330g of white oil to 55°C, add it to 30g of ultra-high molecular weight polyethylene, and fully disperse and emulsify it in a high-speed emulsifier to form a mixture of ultra-high molecular weight polyethylene and white oil 0.693g of nano-silver powder antibacterial additives are dropped into the above-mentioned mixture, and fully emulsified in a high-speed emulsifier again; the obtained mixture is put into a 110°C reactor and heated and stirred for 2.5 hours, and the swelling material is prepared to obtain spinning dope;

[0052] Step (2) Preparation of jelly spinning: transfer the prepared spinning stock solution to the twin-screw spinning machine, extrude, melt, stir, and control the temperature of the spinning stock solution at 275 ° C, and pass through the spinning assembly The viscous filaments are ejected and cooled by circulating cooling water to form gel spinning;

[0053] Step (3) Balance of semi-finished jelly spin...

Embodiment 3

[0058] Step (1) Preparation of spinning dope: heat 330g of white oil to 60°C, add it to 30g of ultra-high molecular weight polyethylene, and fully disperse and emulsify it in a high-speed emulsifier to form a mixture of ultra-high molecular weight polyethylene and white oil ; put 0.99g of nano-silver powder antibacterial additive into the above mixture, and fully emulsify it again in a high-speed emulsifier; put the obtained mixture in a reactor at 120°C for 3 hours and heat up and stir for 3 hours to prepare the swelling material. Obtain spinning dope;

[0059] Step (2) Preparation of jelly spinning: transfer the prepared spinning stock solution to the twin-screw spinning machine, extrude, melt, stir, and control the temperature of the spinning stock solution at 300°C, pass through the spinning assembly The viscous filaments are ejected and cooled by circulating cooling water to form gel spinning;

[0060] Step (3) Balance of semi-finished jelly spinning: store the formed je...

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Abstract

The invention discloses a preparation method of antibacterial high-strength polyethylene fibers. The preparation method comprises the following preparation steps: step (1) preparation of a spinning liquid: heating quantitative white oil to the temperature of 50-60 DEG C, adding ultra-high molecular weight polyethylene in the white oil under the condition that the weight ratio of the white oil to the ultra-high molecular weight polyethylene is equal to 11: 1, and fully dispersing and emulsifying in a high-speed emulsifying machine to form a mixture of the ultra-high molecular weight polyethylene and the white oil; then feeding a nano silver powder antibacterial additive of which the weight accounts for 1.2 per mill -3 per mill of the weight of the ultra-high molecular weight polyethylene inthe mixture, and then fully emulsifying the high-speed emulsifying machine; and taking the ultra-high molecular weight polyethylene as a raw material, mixing the raw material with the white oil to form a mixture, and then adding the nano silver powder antibacterial additive of which the weight accounts for 1.2 per mill -3 per mill of the weight of polyethylene in the mixture. Therefore, the prepared high-strength high-modulus polyethylene fibers have good antibacterial effect, and requirements of products such as women's underwear to the antibacterial property of a fiber material in a preparation process are met.

Description

technical field [0001] The invention belongs to the technical field of fiber manufacturing, in particular to a method for manufacturing antibacterial high-strength polyethylene fibers. Background technique [0002] The high-strength and high-modulus polyethylene fiber in the current technology is known as the three high-performance fibers in the world today, along with carbon fiber and aramid fiber, and is the fiber with the highest strength and modulus in the world. High-strength and high-modulus polyethylene fibers are made of ultra-high molecular weight polyethylene. After gel spinning and super-stretching, the polyethylene macromolecules that were originally intertwined and arranged in disorder are gradually unwound to achieve extremely high orientation and crystallinity. get. So that the fiber has excellent properties such as light weight, softness, high strength, high modulus, UV resistance, impact resistance, acid and alkali resistance, seawater corrosion resistance,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01F6/46D01F1/10
CPCD01F1/103D01F6/46
Inventor 陈林金效东张亮王亚军
Owner 盐城优和博新材料有限公司
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