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Preparing method for modified graphene polyester fiber

A technology of olefinic polyester and graphene, which is applied in the field of modified polyester fiber preparation, can solve the problems of poor hygroscopicity, difficulty in comfort, static electricity when wearing and using, etc., and achieve the effect of increasing antibacterial properties and broadening the scope of use

Pending Publication Date: 2019-08-09
陕西金瑞烯科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the hygroscopicity of pure polyester fiber products is poor, and it is easy to accumulate charges to form static electricity in dry climates. Static electricity is generated when wearing and using, and the comfort is difficult to compare with natural cotton fibers.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The embodiment of the present invention provides a kind of preparation method of modified graphene polyester fiber, and this preparation method realizes by following steps:

[0027] Step 1, crush metal copper into copper particles, the median diameter of the copper particles is D50≤0.4 μm, soak the copper ions for 20 minutes with benzotriazole with a concentration of 0.2-1.2 g / L, wherein benzotriazole The weight ratio of azole to copper particles is 0.5-0.8:1, and then the soaked copper ions are dried at 80°C to obtain modified copper ions;

[0028] Step 2, take the polyester chip, the viscosity of the polyester chip is ≥ 0.6mPa·s, and add the modified copper ions prepared in step 1 to the polyester chip, wherein the amount of modified copper particles added is polyester 25wt% of the slices are melted and granulated to obtain a copper-modified polyester fiber masterbatch;

[0029] Step 3, stirring and dispersing the graphene whose surface has been functionalized with s...

Embodiment 2

[0032] The embodiment of the present invention provides a kind of preparation method of modified graphene polyester fiber, and this preparation method realizes by following steps:

[0033] Step 1, crush metal copper into copper particles, the median diameter of the copper particles D50≤0.4 μm, soak the copper ions for 60 minutes with benzotriazole with a concentration of 0.2-1.2 g / L, wherein benzotriazole The weight ratio of azole to copper particles is 0.5-0.8:1, and then the soaked copper ions are dried at 110°C to obtain modified copper ions;

[0034] Step 2, take the polyester chip, the viscosity of the polyester chip is ≥ 0.6mPa·s, and add the modified copper ions prepared in step 1 to the polyester chip, wherein the amount of modified copper particles added is polyester 25wt% of the slices are melted and granulated to obtain a copper-modified polyester fiber masterbatch;

[0035] Step 3, stirring and dispersing the graphene whose surface has been functionalized with sul...

Embodiment 3

[0038] The embodiment of the present invention provides a kind of preparation method of modified graphene polyester fiber, and this preparation method realizes by following steps:

[0039] Step 1, crush metal copper into copper particles, the median diameter of the copper particles D50≤0.4 μm, soak the copper ions for 90 minutes with benzotriazole with a concentration of 0.2-1.2 g / L, wherein benzotriazole The weight ratio of azole to copper particles is 0.5-0.8:1, and then the soaked copper ions are dried at 150°C to obtain modified copper ions;

[0040] Step 2, take the polyester chip, the viscosity of the polyester chip is ≥ 0.6mPa·s, and add the modified copper ions prepared in step 1 to the polyester chip, wherein the amount of modified copper particles added is polyester 30wt% of the slices are melted and granulated to obtain a copper-modified polyester fiber masterbatch;

[0041] Step 3, stirring and dispersing the graphene whose surface has been functionalized with sul...

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Abstract

The invention discloses a preparing method for a modified graphene polyester fiber. The preparing method includes the steps that metallic copper is smashed into copper particles, copper irons are soaked with benzotriazole, then drying is conducted, and modified copper irons are prepared; polyester chips are taken, the modified copper irons are added into the polyester chips, melting granulating isconducted, and copper-modified polyester fiber master batch is prepared; graphene with the surface functionally treated by sulfonic acid groups is stirred and dispersed, graphene particles are prepared, and then graphene master batch is prepared through an extruding machine; the copper-modified polyester fiber master batch and the graphene master batch are melted and mixed, then are melted and blended, and the modified graphene polyester fiber is obtained. According to the modified graphene polyester fiber prepared with the method, the antibacterial property of the polyester fiber can be improved by adding the copper particles; meanwhile, the graphene is added, and common polyester fibers can have the characteristics of being conductive, resisting electromagnetic waves, resisting static electricity and efficiently shielding far infrared rays.

Description

technical field [0001] The invention belongs to the technical field of preparation of modified polyester fibers, and relates to a preparation method of modified graphene polyester fibers. Background technique [0002] Graphene is a two-dimensional sheet-like nanomaterial composed of a single layer of carbon atoms, formed by sp2 hybridization of carbon atoms, and a flat film with a hexagonal honeycomb lattice structure. With superior optical, electrical, thermal and mechanical properties, it has attracted the interest of many researchers, and has rapidly grown into a research hotspot in the field of materials and theoretical research. In just a few years, a lot of exciting progress has been made. Graphene is another star carbon nanomaterial born after carbon nanotubes. It has ultra-high theoretical specific surface area (2630m2 / g), high intrinsic mobility (200000cm2 / V / s), high Young's modulus (~1.0T Pa) and theoretical conductivity, and high light transmittance (~5000W / m / K...

Claims

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Application Information

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IPC IPC(8): D01F6/92D01F1/10D01F1/09
CPCD01F6/92D01F1/103D01F1/106D01F1/09
Inventor 金党波金普普
Owner 陕西金瑞烯科技发展有限公司