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High-temperature-resistant humidity-resistant glass fiber reinforced nylon composite material and preparation method thereof

A nylon composite material, high temperature resistant technology, applied in the field of engineering plastics, to achieve the effect of increasing the interface area, improving the dispersion uniformity, and increasing the interface bond strength

Inactive Publication Date: 2019-09-27
SUZHOU HECHANG POLYMERIC MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the above technical problems, the object of the present invention is to provide a high temperature and humidity resistant glass fiber reinforced nylon composite material and its preparation method. The glass fiber reinforced nylon composite material has relatively good mechanical properties, impact resistance and flame retardancy , can still maintain high mechanical strength under high temperature and high humidity environment, ensuring dimensional stability, and at the same time, it has good machinability, is not easy to appear surface roughness and warping, meets high use requirements, and can be widely used in engineering Plastic field

Method used

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  • High-temperature-resistant humidity-resistant glass fiber reinforced nylon composite material and preparation method thereof

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Effect test

Embodiment 1

[0031] A high-temperature and moisture-resistant glass fiber reinforced nylon composite material, the preparation raw materials of which include the following components by mass percentage: nylon 66 30%, polyphthalamide resin 25%, long glass fiber 15%, polycarbonate 10% %, inorganic filler 5%, modified sepiolite 5%, compatibilizer 2.5%, lubricant 1.5%, impact modifier 2.5% and flame retardant 3.5%.

[0032] Among them, the glass fiber is alkali-free glass fiber treated with silane coupling agent; the inorganic filler is talc; the modified sepiolite is the sepiolite which has been treated by acidification modification and organic modification in turn; the compatibilizer is Malay The acid anhydride grafted ethylene-octene copolymer; the lubricant is a silicone resin lubricant; the impact modifier is an acrylate type modifier, and the acrylate type modifier takes the acrylate type copolymer as the core to connect The branched methacrylate copolymer is a core-shell structure modif...

Embodiment 2

[0038] A high-temperature and moisture-resistant glass fiber reinforced nylon composite material, the preparation raw materials of which include the following components by mass percentage: nylon 66 35%, polyphthalamide resin 20%, long glass fiber 20%, polycarbonate 5% %, inorganic filler 10%, modified sepiolite 7%, compatibilizer 1%, lubricant 1%, impact modifier 0.5% and flame retardant 0.5%.

[0039]Among them, the glass fiber is alkali-free glass fiber treated with silane coupling agent; the inorganic filler is mica powder; the modified sepiolite is the sepiolite which has been treated by acidification modification and organic modification in turn; the compatibilizer is Malay Acid anhydride grafted ethylene propylene rubber; lubricant is silicone resin lubricant; impact modifier is acrylate type modifier, the acrylate type modifier is based on acrylate copolymer as the core, to graft The methacrylate copolymer is the core-shell structure modifier of the shell; the flame re...

Embodiment 3

[0045] A high-temperature-resistant and moisture-resistant glass fiber reinforced nylon composite material, the preparation raw materials of which include the following components by mass percentage: nylon 66 40%, polyphthalamide resin 15%, long glass fiber 10%, polycarbonate 8% %, inorganic filler 15%, modified sepiolite 3%, compatibilizer 5%, lubricant 0.5%, impact modifier 1.5% and flame retardant 2%.

[0046] Among them, the glass fiber is alkali-free glass fiber treated with silane coupling agent; the inorganic filler is diatomite; the modified sepiolite is the sepiolite which has been treated by acidification modification and organic modification in turn; the compatibilizer is acrylic acid Glycidyl ester; the lubricant is a silicone resin lubricant; the impact modifier is an acrylate type modifier, the acrylate type modifier is based on an acrylate copolymer as the core, and the grafted methacrylate The copolymer is a core-shell structure modifier of the shell; the flame...

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Abstract

The invention discloses a high-temperature humidity-resistant glass fiber reinforced nylon composite material , wherein the preparation raw material comprises the following components in mass percentage: 30% to 40% of nylon 66, 15% to 25% of polyphthalamide resin, 10% to 20% of long glass fiber, 5% to 10% of polycarbonate, 5% to 15% of an inorganic filler, 3% to 7% of modified sepiolite, 1% to 5% of a compatibilizer, 0. 5% to 1.5% of a lubricant, 0.5% to 2.5% of an impact modifier, and 0.5% to 3.5% of a flame retardant. The invention also discloses a preparation method of the high-temperature-resistant moisture-resistant glass fiber reinforced nylon composite material. The glass fiber reinforced nylon composite material has excellent mechanical properties, impact resistance and flame retardancy, and can maintain high mechanical strength under high temperature and high humidity environment, ensuring dimensional stability and good processability. Surface roughness and warpage are not easy to appear, high use demand is met, and wide application in the field of engineering plastics can be realized.

Description

technical field [0001] The invention belongs to the technical field of engineering plastics, in particular to a high temperature and moisture resistant glass fiber reinforced nylon composite material. Background technique [0002] As the requirements for energy consumption and manufacturing costs become higher and higher, the metal materials used in traditional mechanical parts are becoming more and more difficult to meet the requirements. As a high-performance plastic for structural and mechanical parts, engineering plastics have the advantages of light weight, low manufacturing cost, easy lubrication, low noise, corrosion resistance, stable chemical properties, shock absorption, simple manufacturing process, and strong designability. It has been widely concerned and has been successfully used in medical equipment, semiconductor equipment, electronic equipment, automobile industry and other fields. [0003] Polyamide (PA), commonly known as nylon, contains polar amide grou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/06C08L69/00C08L51/06C08L51/04C08L83/04C08L33/04C08K13/06C08K9/06C08K7/14C08K3/34C08K7/26C08K5/521
CPCC08L77/06C08L2201/02C08L2201/08C08L2205/025C08L2205/035C08L69/00C08L51/06C08L51/04C08L83/04C08L33/04C08K13/06C08K9/06C08K7/14C08K3/34C08K7/26C08K5/521
Inventor 金闪周威徐祥严建华魏佳伟
Owner SUZHOU HECHANG POLYMERIC MATERIALS
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