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Enhanced high-temperature nylon production process

A production process, nylon technology, applied in the field of organic polymer composite materials, can solve problems such as orientation anisotropy, warpage and deformation of finished products, and large internal stress, and achieve convenient production and procurement, good warpage prevention, and improved The effect of comprehensive competitiveness

Inactive Publication Date: 2013-01-30
KECHUANG POLYMER SUZHOU
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  • Summary
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AI Technical Summary

Problems solved by technology

However, due to the large aspect ratio of glass fiber, it is easy to cause orientation and anisotropy, and it is easy to generate large internal stress during molding, resulting in warping and deformation of the finished product

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Embodiment 1 provides a kind of halogen-free anti-warping deformation reinforced high-temperature nylon, which is composed of the following components by weight ratio, high-temperature nylon: 55%, high-temperature-resistant black matrix: 1.5%; halogen-free and alkali-free glass fiber: 23%; Halogen glass beads: 15%: toughening agent: 3%; coupling agent: 0.3%; other additives: 2.2%;

[0012] First, weigh the high-temperature nylon, high-temperature-resistant black masterbatch, halogen-free glass beads, toughening agent, coupling agent, and other additives according to the proportion and mix them in the mixer at low speed for 10 minutes. The mixer adopts low-speed mixing, stirring The gap between the leaves and the barrel wall should be less than 0.5 cm, and the mixing effect of raw and auxiliary materials should be visually observed that the various particles and powders are basically uniform, without obvious agglomerates or agglomerations; the twin-screw extruder uses a 3...

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PUM

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Abstract

The invention relates to an organic polymer composite material, in particular to an enhanced high-temperature nylon production process. The enhanced high-temperature nylon consists of the following compositions in percentage by weight: 49.5 to 90 percent of high-temperature nylon, 1 to 35 percent of halogen-free E-glass fiber, 1 to 30 percent of halogen-free glass beads, 1 to 5 percent of flexibilizer, 0.1 to 0.4 percent of coupling agent and 0.1 to 5.5 percent of other aids. By the production process, the enhanced high-temperature nylon is halogen-free, environment-friendly, and suitable for producing face mask / shell and frame workpieces which require tight fitting, the production and the procurement are convenient, an anti-warp-distortion characteristic is added on the basis of maintaining comprehensive mechanical properties, and comprehensive competitiveness of the product is improved.

Description

technical field [0001] The invention relates to an organic polymer composite material, more specifically, relates to a process for making reinforced high-temperature nylon. Background technique [0002] At present, the use of plastics to replace metals in the automotive industry continues to expand internationally. Scientists around the world are actively looking for new high-performance thermoplastics through various experiments, which has also become an important part of companies' efforts to win more customers and expand market share. The development of glass fiber reinforced high temperature nylon made this possible. High temperature nylon can bring higher temperature performance to some parts. There is also a trend of replacing metal and thermosetting materials with high-temperature resistant nylon in the engine cases of new cars, as well as in the brakes and clutch components of cars. All of these will increase the demand for this high-temperature-resistant nylon mat...

Claims

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Application Information

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IPC IPC(8): C08L77/00C08K13/04C08K7/14C08K7/20C08J5/04
Inventor 孙平
Owner KECHUANG POLYMER SUZHOU
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