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A wear-resistant reinforced polyamide material for injection molding

A thermoplastic polyamide and polyamide composition technology, applied in the field of wear-resistant glass fiber reinforced polyamide materials, can solve the problems of low mechanical strength, decreased mechanical strength, poor toughness and heat resistance, etc., and achieve the effect of high mechanical strength

Active Publication Date: 2018-12-04
5ELEM HI TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the prepared material has the advantages of high strength, good low temperature flexibility and wear resistance, its mechanical strength is greatly reduced
[0004] Patent 201610126178.X discloses a wear-resistant polyamide, including: polyamide 6, magnesium hydroxide, zinc borate, coupling agent, polyethylene, active nano-silica, maleic anhydride, colorant, glass fiber, although The polyamide material has good wear resistance, but its mechanical strength is low, and its toughness and heat resistance are poor.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A wear-resisting reinforced polyamide composition for injection molding, consisting of the following components in parts by weight: 70 parts of A1; 30 parts of B1; 2 parts of C; 0.9 parts of D.

[0029] The method for carrying out thin-wall injection molding of the above-mentioned composition is: according to parts by weight, get 70 parts of nylon 6, 30 parts of flat glass fibers, 2 parts of maleic anhydride-glycidyl methacrylate copolymer, 0.3 part of antioxidant 1098, 0.3 part of antioxidant 168, 0.3 part of ethylene bis stearamide, after high-speed mixing, add through the main feeding port of double (or single) screw, add glass fiber from the side to melt and extrude, and then granulate The composition can be obtained by machine dicing. The extrusion temperature is 220-300°C. The resulting pellets were dried in an oven at 80-100°C for 3-6 hours and then molded by injection molding to test their physical properties. The samples for testing wear are 80*80*1mm and 80*...

Embodiment 2

[0031] A wear-resistant reinforced polyamide composition for injection molding, which consists of the following components in parts by weight: 70 parts of A2; 30 parts of B1; 2 parts of C; 0.9 parts of D.

[0032] The method for carrying out thin-wall injection molding of the above-mentioned composition is: according to parts by weight, 70 parts of nylon 66, 30 parts of flat glass fibers, 2 parts of maleic anhydride-glycidyl methacrylate copolymer, 0.3 part of antioxidant 1098, anti-oxidant 0.3 parts of oxygen agent 168, 0.3 parts of ethylene bis stearamide, after high-speed mixing, add through the main feeding port of double (or single) screw, add glass fiber from side to melt and extrude, and then pass through granulator The composition can be obtained by cutting into pellets. The extrusion temperature is 220-300°C. The resulting pellets were dried in an oven at 80-100°C for 3-6 hours and then molded by injection molding to test their physical properties. The samples for t...

Embodiment 3

[0046]A wear-resisting reinforced polyamide composition for injection molding, which consists of the following components in parts by weight: 70 parts of A1; 30 parts of B1; 2 parts of C; 0.9 parts of D; 1 part of dickite.

[0047] The method for carrying out thin-wall injection molding of the above-mentioned composition is: according to parts by weight, get 70 parts of nylon 6, 30 parts of flat glass fibers, 2 parts of maleic anhydride-glycidyl methacrylate copolymer, 0.3 part of antioxidant 1098, 0.3 part of antioxidant 168, 0.3 part of ethylene bis stearamide, 1 part of dickite, after high-speed mixing, add through the main feeding port of double (or single) screw, and add glass fiber from the side for melt extrusion out, and then granulated by a granulator to obtain the composition. The extrusion temperature is 220-300°C. The resulting pellets were dried in an oven at 80-100°C for 3-6 hours and then molded by injection molding to test their physical properties. The sampl...

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PUM

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Abstract

The invention discloses a wear-resistant reinforced polyamide material for injection molding and belongs to the technical field of polyamide material preparation. The wear-resistant reinforced polyamide material comprises, by weight, 40-90 parts of thermoplastic polyamide, 10-60 parts of flat special-shaped glass fibers, 2-10 parts of compatilizer and 0.1-2 parts of additive. The wear-resistant reinforced polyamide material for injection molding can be molded through proper injection molding equipment, is high in mechanical strength and resistant to wear and is applicable to injection molding of components requiring wear-resistant thin-wall surfaces as well as components requiring wear-resistant thin-wall surfaces and parallel to sprues.

Description

technical field [0001] The invention belongs to the technical field of polyamide material preparation, and in particular relates to a wear-resistant glass fiber reinforced polyamide material for thin-wall injection molding. Background technique [0002] With the development of science and technology, people demand more and more light-weight and high-strength wear-resistant materials. Thermoplastic injection molding materials are widely used because of their ease of processing and variety of designs. In order to increase the strength of the material, glass fiber reinforcement is often used, but the friction of the material is higher due to the addition of glass fiber. In order to improve wear, materials such as PTFE and molybdenum disulfide are often used, so that the mechanical properties are significantly reduced. [0003] Patent 201410249152.5 discloses a high wear-resistant polyamide formula. It consists of the following raw materials by weight: 40-70 parts of polyamid...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L77/02C08L77/06C08L35/00C08K13/04C08K7/14
CPCC08K2201/004C08K2201/016C08L77/02C08L77/06C08L35/00C08K13/04C08K7/14
Inventor 沙月华黄骥肖世英王东晖陈婷婷
Owner 5ELEM HI TECH CORP