High-temperature-resisting breathable graphene/ultra-high molecular weight polyethylene fiber and preparation method

A technology of ultra-high molecular weight and polyethylene fiber, applied in the field of polyethylene fiber, to achieve the effect of comfortable wearing, excellent high temperature resistance, and improved high temperature resistance

Inactive Publication Date: 2019-01-18
CHENDU NEW KELI CHEM SCI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Aiming at the defect that the existing protective clothing cannot simultaneously have high temperature resistance, corrosion resistance and comfortable, soft and breathable fiber fabric, the present invention proposes a high temperature resistant and breathable graphene / ultra-high molecular weight polyethylene fiber and its preparation method. Graphene / ultra-high molecular weight polyethylene fiber has excellent high temperature resistance, corrosion resistance and air permeability, and it is used to prepare protective clothing with high temperature resistance, corrosion resistance, good air permeability and comfortable wearing characteristics

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A preparation method of high-temperature-resistant breathable graphene / ultra-high molecular weight polyethylene fiber, comprising the following steps:

[0029] S1, adding graphene oxide into deionized water, and ultrasonically dispersing it for 30 minutes to obtain a graphene oxide solution;

[0030] S2. Add rutile titanium dioxide to absolute ethanol for ultrasonic dispersion for 40 minutes, add the graphene oxide solution obtained in step S1, adjust the pH value to 9 with ammonia water, add a reducing agent, and ultrasonically 1 hour to form a uniform mixed solution, and transfer the mixed solution into In a polytetrafluoroethylene liner hydrothermal reaction kettle, hydrothermal reaction, the reaction temperature is 240 ° C, the reaction time is 12 hours, after the reaction is completed, cool and filter, wash 4 times with 98wt% ethanol, and freeze-dry to obtain three-dimensional porous graphene / titanium dioxide; the reducing agent is hydrazine hydrate; wherein the ...

Embodiment 2

[0034] A preparation method of high-temperature-resistant breathable graphene / ultra-high molecular weight polyethylene fiber, comprising the following steps:

[0035] S1, adding graphene oxide into deionized water, and ultrasonically dispersing it for 20 minutes to obtain a graphene oxide solution;

[0036] S2. Add rutile titanium dioxide to absolute ethanol for ultrasonic dispersion for 40 minutes, add the graphene oxide solution obtained in step S1, adjust the pH value to 9 with ammonia water, add a reducing agent, and ultrasonically 1 hour to form a uniform mixed solution, and transfer the mixed solution into In a polytetrafluoroethylene liner hydrothermal reaction kettle, hydrothermal reaction, the reaction temperature is 190 ° C, the reaction time is 36 hours, after the reaction is completed, cool and filter, wash 5 times with 98wt% ethanol, and freeze-dry to obtain three-dimensional porous graphene / titanium dioxide; the reducing agent is sodium borohydride; wherein the...

Embodiment 3

[0040] A preparation method of high-temperature-resistant breathable graphene / ultra-high molecular weight polyethylene fiber, comprising the following steps:

[0041] S1. Add graphene oxide into deionized water, and ultrasonically disperse for 55 minutes to obtain a graphene oxide solution;

[0042] S2. Add rutile titanium dioxide to absolute ethanol for ultrasonic dispersion for 50 minutes, add the graphene oxide solution obtained in step S1, adjust the pH value to 10 with ammonia water, add a reducing agent, and ultrasonically 1 hour to form a uniform mixed solution. Move the mixed solution into In a polytetrafluoroethylene liner hydrothermal reaction kettle, hydrothermal reaction, the reaction temperature is 290 ° C, the reaction time is 30h, after the reaction is completed, cool and filter, wash with 98wt% ethanol for 6 times, and freeze-dry to obtain three-dimensional porous graphene / titanium dioxide; the reducing agent is lithium aluminum hydride; wherein the mass rati...

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PUM

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Abstract

The invention belongs to the technical field of preparation of polyethylene fibers and particularly relates to a high-temperature-resisting breathable graphene/ultra-high molecular weight polyethylenefiber and a preparation method. The preparation method comprises the following steps: preparing a graphene oxide solution, adding titanium dioxide rutile and adjusting a pH value; adding a reducing agent, carrying out hydrothermal reaction, cooling, filtering, washing, freezing and drying to obtain three-dimensional porous graphene/titanium dioxide; adding the three-dimensional porous graphene/titanium dioxide into polyethylene resin, adding white oil and a proper amount of functional additives, and swelling in a twin-screw extruder to form a spinning solution; extruding and carrying out water bath solidification to form gel silks; carrying out drying, multistage heat drawing, winding and the like through a guide roller to obtain the porous graphene/ultra-high molecular weight polyethylene fiber. Three-dimensional porous graphene/titanium dioxide powder is added when the spinning solution is prepared by adopting ultra-high molecular weight polyethylene, so that high temperature resistance and breathability of the fiber are improved. The graphene/ultra-high molecular weight polyethylene fiber prepared by adopting the method has excellent high temperature resistance, corrosion resistance and breathability.

Description

technical field [0001] The invention belongs to the technical field of polyethylene fibers, and in particular relates to a high-temperature-resistant breathable graphene / ultra-high molecular weight polyethylene fiber and a preparation method thereof. Background technique [0002] The types of protective clothing include industrial protective clothing, medical protective clothing, military protective clothing and protective clothing for special populations. Protective clothing is mainly used in industries and departments such as military industry, shipbuilding, petroleum, chemical industry, painting, cleaning and disinfection, and laboratories. Especially in many high-temperature environments, it is necessary to wear protective clothing. The purpose is to reduce the radiation of heat energy from the high-temperature environment to the human body, avoid scalding the operator, and at the same time reduce the temperature around the operator and reduce the discomfort of the opera...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01F6/46D01F1/10
CPCD01F6/46D01F1/10
Inventor 陈庆
Owner CHENDU NEW KELI CHEM SCI CO LTD
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