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High glass fiber content enhanced high-temperature nylon composite material and preparation method thereof

A nylon composite material and glass fiber technology, which is applied in the field of high glass fiber content reinforced high temperature nylon composite material and its preparation to achieve the effect of improving performance

Inactive Publication Date: 2018-06-15
CHONGQNG PRET NEW MATERIAL +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, glass fiber reinforced nylon materials currently on the market are mostly reinforced PA6 and PA66, and the glass fiber content is mainly 10 to 40 parts, and high glass fiber content reinforced nylon, especially reinforced high temperature nylon, is less

Method used

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  • High glass fiber content enhanced high-temperature nylon composite material and preparation method thereof
  • High glass fiber content enhanced high-temperature nylon composite material and preparation method thereof
  • High glass fiber content enhanced high-temperature nylon composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] 1): Glass fiber surface treatment: mix 20wt% silane coupling agent, 72wt% absolute ethanol, and 8wt% water to form a solution, add glass fiber into the solution for soaking treatment, soak for 3 to 5 minutes, and then put The glass fibers are taken out and dried to obtain surface-treated glass fibers;

[0028] 2): Take 56.2 parts of nylon 6T resin according to the weight ratio, and dry it in an oven; add 3 parts of toughening agent, 0.3 part of antioxidant, and 0.5 part of lubricant and stir and mix in a high-speed machine for 3 to 5 minutes;

[0029] 3): the material obtained in step (2) is sent into the twin-screw extruder through the main feeder, and in the side feeding port of the twin-screw extruder, adding parts by weight is 40 parts of glass fiber; Twin-screw extruder melt extrusion, the extrusion process is: Twin-screw extruder temperature zone: the temperature of the first zone is 310℃~320℃, the temperature of the second zone is 310℃~320℃, the temperature of th...

Embodiment 2

[0032] 1): Glass fiber surface treatment: mix 20wt% silane coupling agent, 72wt% absolute ethanol, and 8wt% water to form a solution, add glass fiber into the solution for soaking treatment, soak for 3 to 5 minutes, and then put The glass fibers are taken out and dried to obtain surface-treated glass fibers;

[0033] 2): Take 51.2 parts of nylon 6T resin according to the weight ratio, and dry it in an oven; add 3 parts of toughening agent, 0.3 part of antioxidant, and 0.5 part of lubricant and stir and mix in a high-speed machine for 3 to 5 minutes;

[0034] 3): The material obtained in step (2) is sent into the twin-screw extruder through the main feeder, the rotating speed of the main feeder is 30r.p.m, and the Add 45 parts by weight of glass fiber into the feed port; melt and extrude through a twin-screw extruder, the extrusion process is: temperature zone of the twin-screw extruder: the temperature of the first zone is 310°C to 320°C, and the temperature of the second zone...

Embodiment 3

[0037] 1): Glass fiber surface treatment: mix 20wt% silane coupling agent, 72wt% absolute ethanol, and 8wt% water to form a solution, add glass fiber into the solution for soaking treatment, soak for 3 to 5 minutes, and then put The glass fibers are taken out and dried to obtain surface-treated glass fibers;

[0038] 2): Weigh 46.2 parts of raw nylon 6T resin according to the weight ratio, and dry it in an oven; add 3 parts of toughening agent, 0.3 part of antioxidant, and 0.5 part of lubricant and stir and mix in a high-speed machine for 3 to 5 minutes;

[0039]3): The material obtained in step (2) is sent into the twin-screw extruder through the main feeder, the rotating speed of the main feeder is 30r.p.m, and the Add 50 parts by weight of glass fiber into the feed port; melt and extrude through a twin-screw extruder, the extrusion process is: temperature zone of the twin-screw extruder: the temperature of the first zone is 310°C to 320°C, and the temperature of the second ...

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Abstract

The invention discloses a high glass fiber content enhanced high-temperature nylon composite material and a preparation method thereof. The high glass fiber content enhanced high-temperature nylon composite material is composed of five components by weight: 30-90 parts of high temperature nylon resin, 20-60 parts of chopped glass fiber, 1-10 parts of a flexibilizer, 0.1-1 part of an anti-oxidant and 0.2-2 parts of a lubricant, Compared with the commonly used glass fiber reinforcement high-temperature nylon composite material on market, the tensile strength, the tensile modulus, and the impactintensity of the high glass fiber content enhanced high-temperature nylon composite material are greatly increased.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a high-temperature nylon composite material reinforced with high glass fiber content and a preparation method thereof. Background technique [0002] Nylon has good comprehensive performance. At present, glass fiber reinforced nylon composite material is a high-performance reinforcement material widely used at home and abroad. High-temperature nylon is concerned by various industries at home and abroad because of its high melting point and its ability to work continuously at high temperatures. Glass fiber has many excellent properties such as high mechanical strength, good heat resistance, excellent corrosion resistance, and good insulation. It is widely used in electronic equipment, building materials, sports equipment, aircraft and automobiles and other fields. However, glass fiber reinforced nylon materials currently on the market are mostly reinforced PA...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/06C08L23/08C08L27/18C08K9/06C08K7/14C08K5/134C08K5/526C08J5/08
CPCC08J5/08C08J2377/06C08J2423/08C08J2427/18C08K5/1345C08K5/526C08K7/14C08K9/06
Inventor 张中伟肖浩蔡青郑杭景田兰周文
Owner CHONGQNG PRET NEW MATERIAL
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