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A kind of preparation method of matting ultra-high molecular weight polyethylene fiber

An ultra-high molecular weight, polyethylene fiber technology, applied in the direction of single-component polyolefin rayon filament, fiber chemical characteristics, rayon manufacturing, etc. The effect of preserving performance

Active Publication Date: 2021-04-13
龙游龙纤新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing ultra-high molecular weight polyethylene fibers are regular in shape and have obvious reflections and flickering phenomena; therefore, in order to eliminate this phenomenon and make the fibers have a matting effect, CN106400154A discloses a preparation method for a full-dull ultra-high molecular weight polyethylene fiber. The method of directly adding matting agent during batching

Method used

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  • A kind of preparation method of matting ultra-high molecular weight polyethylene fiber

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1 A kind of preparation method of matting mother liquor for ultra-high molecular weight polyethylene fiber

[0032] Step 1) Grind and mix 40 g of native nano-titanium dioxide, 1.8 g of sodium lauryl sulfate, 0.5 g of polyvinyl alcohol and 57.7 g of white mineral oil to obtain a high-concentration matting mother liquor, wherein the largest concentration of the native nano-matting agent is The particle diameter is less than 2 microns, and the average particle size is less than 0.5 microns;

[0033] Step 2) Add 48.9g of white mineral oil, 0.5g of sodium lauryl sulfate, 0.6g of Natrosol AT250 and 50g of the high-concentration matting mother liquor obtained in step 1) into high-speed shearing equipment for high-speed shearing to obtain ultra-high molecular weight polyethylene Fiber matting master solution.

[0034] Calculated by mass percentage, the matting mother liquor is composed of 20% matting agent, 78.2% solvent, 1.2% surfactant, 0.25% dispersant, 0.3% thicke...

Embodiment 2

[0035] Embodiment 2 A kind of preparation method of matting mother liquor for ultra-high molecular weight polyethylene fiber

[0036] Step 1) Grind and mix 42g of native nano-silica agent, 2g of nonylphenol polyoxyethylene (10) ether-2-sulfosuccinic acid monoester disodium salt, 0.5g of EFKA4560 and 55.5g of white mineral oil , to obtain high-concentration matting mother liquor;

[0037] Step 2) 61 g of white mineral oil, 1 g of nonylphenol polyoxyethylene (10) ether-2-sulfosuccinic acid monoester disodium salt, 0.6 g of Natrosol AT250 and 37.4 g of the high-concentration matting mother liquor obtained in step 1) Add high-speed shearing equipment for high-speed shearing to obtain a matting mother liquor for ultra-high molecular weight polyethylene fibers.

[0038] Calculated by mass percentage, the matting mother liquor is composed of 25% matting agent, 72.5% solvent, 1.5% surfactant, 0.2% dispersant, 0.4% thickener and the balance of auxiliary agents.

Embodiment 3

[0039] Embodiment 3 A kind of preparation method of full-dull ultra-high molecular weight polyethylene fiber

[0040] 8g of ultra-high molecular weight polyethylene, 92g of white mineral oil and 0.32g of the extinction mother liquor prepared by the method of Example 1 were injected into the batching kettle; while stirring, they were fed into a twin-screw extruder for extrusion spinning, and then extracted, dried and Multi-stage drawing, so as to prepare a full-dull ultra-high molecular weight polyethylene fiber with a content of 0.8% of a matting agent.

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Abstract

The invention provides a method for preparing a matting mother liquor for ultra-high molecular weight polyethylene fibers, comprising the following steps: step 1) grinding and mixing a native nano matting agent, a surfactant, a dispersant and a solvent to obtain a high-concentration matting mother liquor; Step 2) adding the solvent, surfactant, thickener and the high-concentration matting mother liquor obtained in step 1) to high-speed shearing equipment for high-speed shearing to obtain the matting mother liquor for ultra-high molecular weight polyethylene fibers, wherein, step 2) obtains The mass ratio of the matting agent and the solvent in the matting mother liquor is 1:1-9, and the addition ratio of the solvent to the original nano matting agent in step 1) is greater than 1:1.

Description

technical field [0001] The invention belongs to the field of ultra-high molecular weight polyethylene fiber production, in particular to a method for preparing a matting mother liquor for ultra-high molecular weight polyethylene fiber. Background technique [0002] Existing ultra-high molecular weight polyethylene fibers are regular in shape and have obvious reflections and flashing phenomena; therefore, in order to eliminate this phenomenon and make the fibers have a matting effect, CN106400154A discloses a method for preparing a full-dull ultra-high molecular weight polyethylene fiber. The method of adding matting agent directly when batching. [0003] CN107699968A discloses a semi-dull special-shaped ultra-high molecular weight polyethylene fiber and its preparation method. The fiber is made of ultra-high molecular weight polyethylene and white oil as raw materials, and is made by adding nano-scale titanium dioxide as a matting agent. , and then wet-spun through a specia...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D01F6/46D01F1/10
CPCD01F1/10D01F6/46
Inventor 陈宏
Owner 龙游龙纤新材料有限公司
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