Unlock instant, AI-driven research and patent intelligence for your innovation.

Graphene, glass fiber and PA6 composite material and preparing method thereof

A technology of glass fiber and composite materials, which is applied in the field of high-strength graphene/glass fiber/PA6 composite materials and its preparation, can solve the problems of light weight, high strength, high density and low strength of nylon materials, and achieve Low water absorption, simple preparation process, good thermal stability

Active Publication Date: 2016-12-14
THE SIXTH ELEMENT CHANGZHOU MATERIALS TECH
View PDF5 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a high-strength graphene, glass fiber and PA6 composite material for the high density and low strength of the glass fiber / nylon composite material, which cannot better meet the needs of light weight and high strength nylon materials

Method used

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
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Graphene, glass fiber and PA6 composite material and preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] 1) Weigh 10g of graphene and add it to 5L of formic acid solvent, add 2g of polymer dispersant in advance in the formic acid solvent, ultrasonically disperse the prepared graphene solution for 60min, and then place it in a grinding disperser for grinding and dispersing for 2h, at a speed of 30Hz, to obtain a stable dispersed graphene suspension, ready to use.

[0043] 2) Weigh 500g of PA6 and add it into 5L of formic acid solvent, and completely dissolve the PA6 resin under the conditions of 25°C and 400rpm, ready to use.

[0044] 3) Add the graphene suspension prepared in step 1) dropwise to the PA6 solution in step 2), stir for 30 minutes at 25°C and 400rpm, stir evenly and place in a vacuum drying oven until the solvent evaporates completely Take out afterward, obtain graphene / PA6 powder after pulverizing, stand-by.

[0045]4) Mix the graphene / PA6 powder obtained in step 3) with 9000g of PA6 resin, 20g of compatibilizer 30050B, 10g of aromatic amine antioxidant, and...

Embodiment 2

[0047] 1) Weigh 20g of graphene and add it to 10L of formic acid solvent, add 5g of polymer dispersant to the formic acid solvent in advance, ultrasonically disperse the prepared graphene solution for 80min, and then place it in a grinding disperser for grinding and dispersing for 2h, at a speed of 35Hz to obtain a stable dispersed graphene suspension, ready to use.

[0048] 2) Weigh 1000g of PA6 and add it into 10L of formic acid solvent, completely dissolve the PA6 resin under the conditions of 25°C and 400rpm, and wait for use.

[0049] 3) Add the graphene suspension prepared in step 1) dropwise to the PA6 solution in step 2), stir for 30 minutes at 25°C and 500 rpm, stir evenly and place in a vacuum drying oven until the solvent evaporates completely Take out afterward, obtain graphene / PA6 powder after pulverizing, stand-by.

[0050] 4) Mix the graphene / PA6 powder obtained in step 3) with 7500g of PA6 resin, 50g of compatibilizer 420P, 10g of aromatic amine antioxidant, a...

Embodiment 3

[0052] 1) Weigh 15g of graphene and add it to 8L of formic acid solvent, add 3g of polymer dispersant to the formic acid solvent in advance, ultrasonically disperse the prepared graphene solution for 80min, and then place it in a grinding disperser for grinding and dispersing for 2h, at a speed of 35Hz to obtain a stable dispersed graphene suspension, ready to use.

[0053] 2) Weighing 10 g of graphene oxide was dissolved in 10 L of formic acid and acetic acid mixed solution, and ultrasonically dispersed for 60 min to obtain a stably dispersed graphene oxide suspension.

[0054] 3) Weigh 1500g of PA6 and add it into 15L of formic acid solvent, completely dissolve the PA6 resin under the conditions of 25°C and 500rpm, and wait for use.

[0055] 4) After mixing the graphene suspension prepared in step 1) and the graphene oxide suspension prepared in step 2) evenly, add the mixed solution dropwise to the PA6 solution in step 3), at 40°C, 500rpm Stir for 40 minutes under the cond...

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
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a graphene, glass fiber and PA6 composite material. The composite material is prepared from, by weight, 50-95 parts of PA6, 5-50 parts of glass fiber, 0.01-1.0 part of graphene carbon material, 0.2-2.0 parts of compatilizer, 0.02-0.35 part of antioxidant and 0.25-3.0 parts of silane coupling agent, wherein the total mass of PA6 and glass fiber is 100, and the graphene carbon material is graphene or a mixture of graphene and oxidized graphene. Graphene / PA6 powder or graphene / oxidized graphene / PA6 powder is prepared through solution mixing firstly, graphene and oxidized graphene can be evenly dispersed in a PA6 composite material with the method, and then the graphene / glass fiber / PA6 composite material is prepared through melt blending. The mechanical property of the graphene / glass fiber / PA6 composite material prepared with the method is improved remarkably; furthermore, a large amount of glass fiber can be replaced with a small amount of graphene, so that the density of the composite material can be reduced.

Description

technical field [0001] The invention relates to a high-strength graphene / glass fiber / PA6 composite material and a preparation method thereof, belonging to the field of polymer composite materials. Background technique [0002] At present, the main means of modifying nylon (PA6) include the following two aspects: 1) increasing the strength and rigidity of nylon by adding inorganic whiskers and carbon fibers; 2) alloying nylon by blending other high polymers to improve The water absorption of nylon improves the dimensional stability of the product, as well as low temperature brittleness, heat resistance and wear resistance. The market is mainly based on glass fiber reinforced nylon materials, but due to the excessive addition of glass fiber, the density of the composite material increases and processing is difficult. [0003] As a new type of two-dimensional carbon material with excellent mechanical properties, graphene has high mechanical strength, large specific surface are...

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
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/02C08K13/04C08K7/14C08K3/04
CPCC08K2201/014C08L77/02C08L2201/08C08L2205/025C08K13/04C08K7/14C08K3/04
Inventor 郑雅轩张娟娟瞿研
Owner THE SIXTH ELEMENT CHANGZHOU MATERIALS TECH