Graphene-based polyester fiber capable of absorbing moisture, releasing sweat and rapidly dissipating heat and preparation method thereof

A technology of moisture absorption and perspiration, polyester fiber, applied in the field of graphene-based moisture absorption and perspiration fast heat dissipation polyester fiber and its preparation field, can solve the problems of poor heat dissipation, not washable, not environmentally friendly, etc., and reach the market application scope expansive effect

Pending Publication Date: 2021-11-09
GAOBEIDIAN LONGTAI FENGBO GRAPHENE PROCESSING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems of non-environmental protection, non-washable, and poor heat dissipation in the prior art, the present invention provides a graphene-based polyester fiber with moisture absorption, perspiration and rapid heat dissipation and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] 1. Preparation of graphene oxide with high O / C ratio

[0030] High concentrated sulfuric acid (93%) H 2 SO 4 : After mixing phosphoric acid at a mass ratio of 1:5, add 325 mesh flake graphite and stir evenly, then add potassium ferrate (Z value 2.2) and stir and mix for 8 hours at a low temperature of 5°C. Take the filter cake by centrifugation, wash with HCl and H 2 o 2 After cleaning, wash with deionized water until neutral, and dry by spray drying.

[0031] 2. XPS measured O / C ratio 4 / 6, FTIR analysis has a large number of oxidized groups, including hydroxyl, carboxyl, epoxy and carbonyl.

[0032] 3. Preparation of ultrafine graphene oxide

[0033] The above-mentioned 45 μm particle size is finely ground to 2-5 μm by jet mill.

[0034] 4. Manufacture of functional masterbatch

[0035] ① Add silane coupling agent KH-560 to the high mixer, the portion is 1.5% of the mass of graphene oxide, and mix and stir at 100°C for 30mins.

[0036] ② Add polyethylene wax an...

Embodiment 2

[0043] 1. Preparation of graphene oxide with high O / C ratio

[0044] 50% H2SO4 2 SO 4 :PO 3 After mixing at 1:9, add 2500 mesh natural flake graphite and stir evenly, then add sodium ferrate (Z value 2.2) and its auxiliary agent, and stir for 12 hours under ice bath. Take the filter cake by centrifugation, wash with HCl and H 2 o 2 After cleaning, it is washed with deionized water to neutrality, and dried into powder by freeze-drying method.

[0045] 2. XPS measured O / C ratio 3.7 / 6.3, FTIR infrared analysis has a large number of oxidized groups, hydroxyl, carboxyl, epoxy and carbonyl, and the crystal remains intact.

[0046] 3. Preparation of ultrafine graphene oxide

[0047] The above-mentioned 2500 mesh particle size is finely ground to 2um with a jet mill.

[0048] 4. Preparation of functional masterbatch

[0049] ① Add KH-550 silane coupling agent to graphene oxide in a high-speed mixer, set the temperature at 100°C, and mix for 30 minutes.

[0050] ② Add polyethy...

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PUM

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Abstract

The invention discloses a preparation method of graphene-based polyester fiber capable of absorbing moisture, releasing sweat and rapidly dissipating heat. The method comprises the following steps of firstly, intercalating natural flake graphite by using a mixed acid of sulfuric acid and phosphoric acid with the mass fraction of 50-98%, performing stripping by using an oxidation method to obtain graphene oxide, and preparing the graphene oxide and PET into master batches; and then preparing the master batches and polyester particles into the polyester fiber by adopting a melt spinning method, wherein the polyester particles are PET or PET mixed PBT, and the mass ratio of the polyester particles to the master batches is (75-85): 20. The graphene is deeply oxidized to obtain a high O / C ratio, a complete single crystal structure is kept, and the graphene is an excellent heat dissipation material, so that heat can be quickly removed. By combining the characteristics of a large number of hydrophilic groups, a moisture absorption condition is formed, so that the polyester fiber capable of absorbing moisture, releasing sweat and rapidly dissipating heat is prepared; the polyester fiber can be prepared into a fabric capable of absorbing moisture, releasing sweat and rapidly dissipating heat on the basis; and the market application range is wide.

Description

technical field [0001] The invention belongs to the field of functional fibers, in particular to a graphene-based polyester (PET) fiber capable of absorbing moisture, perspiration, and rapidly dissipating heat, and a preparation method thereof. Background technique [0002] Polyester fiber, commonly known as "polyester". It is a synthetic fiber obtained by spinning polyester obtained by polycondensation of organic dibasic acid and dibasic alcohol, referred to as PET fiber, which belongs to polymer compounds. The biggest advantage of polyester fiber is that it has good wrinkle resistance and shape retention, high strength and elastic recovery ability, so it is durable, wrinkle-resistant, non-ironing, and non-sticky. Due to its excellent characteristics above, polyester fiber has become the most widely used and most consumed fiber variety. [0003] According to its characteristics, it is currently widely used in outdoor sports, leisure activities, competitions, etc. In the a...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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IPC IPC(8): D01F6/92D01F1/10
CPCD01F6/92D01F1/10
Inventor 贾纬民安云张垚宇
Owner GAOBEIDIAN LONGTAI FENGBO GRAPHENE PROCESSING CO LTD
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