Method of manufacturing modified white graphene and polyester composite fiber and fiber manufactured according to method

A technology of white graphene and composite fibers, which is applied in the fields of fiber chemical characteristics, melt spinning, rayon manufacturing, etc., can solve the problems of non-functionality, etc., and achieve the effect of anti-ultraviolet performance, high economic benefits, and improved dispersion

Pending Publication Date: 2020-09-01
NANTONG QIANGSHENG GRAPHENE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Polyester fiber is a chemical fiber with low cost, good performance and extremely wide uses, but traditional polyester fiber is not functional. With the development of society, traditional polyester can no longer meet people's demand for functional textiles, and white graphene Polyester fiber has good antibacterial, far-infrared, anti-ultraviolet and other functions, and the functionality of the fusion-processed white graphene polyester composite fiber is permanent, and will not weaken with the increase in washing times, expanding the application of traditional polyester range, increase the added value of products, and meet people's needs for healthy and environmentally friendly functional textiles

Method used

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Examples

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preparation example Construction

[0023] The method for preparing modified white graphene polyester composite fiber provided by the present invention comprises: step 1, prepare ethanol solution, add dopamine and stir evenly, then add white graphene into the solution, ultrasonically disperse, filter and dry, and obtain modified White graphene powder; step 2, drying the modified white graphene powder obtained in step 1 and ordinary polyester slices respectively, then grinding the polyester slices to obtain polyester slice powders, drying the modified white graphene Graphene powder and modifier are added to polyester chip powder and mixed to obtain white graphene polyester mixed powder; step 3, adding white graphene polyester mixed powder obtained in step 2 to a twin-screw extruder Extrude and granulate to obtain modified white graphene polyester masterbatch; step 4, dry the modified white graphene polyester masterbatch obtained in step 3, then add it to the screw extruder for heating and melting, and pass through...

Embodiment 1

[0035]A method for preparing modified white graphene polyester composite fiber, comprising:

[0036] Step 1, prepare an ethanol solution with a mass concentration of 10% to 50% with deionized water and ethanol at room temperature, the mass concentration of dopamine in the solution is 0.1% to 5%, and then add white graphene to the solution, Ultrasonic dispersion for 10 to 30 minutes, the mass concentration of white graphene in the solution is 0.1% to 10%, filtered and dried to obtain modified white graphene powder;

[0037] In step 2, the modified white graphene powder obtained in step 1 and ordinary polyester slices are dried separately, and the water content after drying is controlled below 100ppm, and then the polyester slices are ground to obtain polyester slice powder, powder If the mesh size is >100 mesh, add the dried modified white graphene powder and modifier to the polyester chip powder, and put it into a high-speed mixer for mixing and stirring. The speed is 3000-100...

Embodiment 2

[0044] A method for preparing modified white graphene polyester composite fiber, comprising:

[0045] Step 1, prepare an ethanol solution with a mass concentration of 10% to 50% with deionized water and ethanol at room temperature, the mass concentration of dopamine in the solution is 0.1% to 5%, and then add white graphene to the solution, Ultrasonic dispersion for 10 to 30 minutes, the mass concentration of white graphene in the solution is 0.1% to 10%, filtered and dried to obtain modified white graphene powder;

[0046] In step 2, the modified white graphene powder obtained in step 1 and ordinary polyester slices are dried separately, and the water content after drying is controlled below 100ppm, and then the polyester slices are ground to obtain polyester slice powder, powder If the mesh size is >100 mesh, add the dried modified white graphene powder and modifier to the polyester chip powder, and put it into a high-speed mixer for mixing and stirring. The speed is 3000-10...

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Abstract

The invention discloses a method of manufacturing a modified white graphene and polyester composite fiber and the fiber manufactured according to the method. The method comprises the steps that the step 1, modified white graphene powder is manufactured; the step 2, white graphene and polyester mixed powder is manufactured; the step 3, modified white graphene and polyester masterbatches are manufactured; the step 4, the modified white graphene and polyester masterbatches are dried, then are added to a screw extruder to be heated and molten, are filtered by a spinning box and then are subjectedto spinning to form bundles. The invention further provides the modified white graphene and polyester composite fiber manufactured according to the method. According to the method, white graphene is preferentially modified to improve the dispersity of the white graphene in regenerated cellulose pulp, and the functionality of regenerated cellulose composite fibers is better achieved. The modified white graphene and polyester composite fiber manufactured according to the method has the advantages of antibacterial performance, far infrared resistance and ultraviolet resistance, and the white graphene in the white graphene and polyester composite fiber is evenly dispersed, is not prone to fall off and has the lasting functionality.

Description

technical field [0001] The present invention relates to a method for preparing a composite fiber and the prepared fiber, in particular to a method for preparing a modified white graphene polyester composite fiber and the prepared fiber. Background technique [0002] "White graphene" is an alias for the nano-flakes obtained after exfoliation of hexagonal boron nitride (English name Hexagonal Boron Nitride, abbreviated as h-BN) whose grains are lamellar structures. Since the structure of hexagonal boron nitride is very similar to that of graphite, it has a hexagonal layered structure, soft texture, strong machinability, and white color. Corresponding to graphene, so hexagonal boron nitride is called "white graphene". [0003] Both hexagonal boron nitride and graphene are layered two-dimensional materials with a thickness of only one atom. , Covalent bonding between heteroatoms of nitrogen. [0004] The highly similar crystal structure gives white graphene and graphene some ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01F6/92D01F1/10D01D5/08
CPCD01F6/92D01F1/10D01F1/103D01F1/106D01D5/08
Inventor 沙嫣沙晓林马立国
Owner NANTONG QIANGSHENG GRAPHENE TECH CO LTD
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