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High-strength abrasion-resistant PA 66 (polyamide 66) composite material and method for preparing same

A technology of PA66 and composite materials, which is applied in the field of high-strength and wear-resistant PA66 composite materials and its preparation, can solve the problems of not having high strength, etc., and achieve the effects of simple production process and equipment, low friction coefficient and high tensile strength

Inactive Publication Date: 2018-09-14
横店集团得邦工程塑料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, many reinforced and toughened PA66 in China have high strength but not wear resistance, wear resistance but not high strength, so there is an urgent need to develop a high-strength wear-resistant PA66 material for high-speed rail

Method used

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  • High-strength abrasion-resistant PA 66 (polyamide 66) composite material and method for preparing same
  • High-strength abrasion-resistant PA 66 (polyamide 66) composite material and method for preparing same
  • High-strength abrasion-resistant PA 66 (polyamide 66) composite material and method for preparing same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A high-strength wear-resistant PA66 composite material, first weigh the following materials in parts by weight:

[0031]

[0032]

[0033] Chopped fiber is hydrolysis-resistant alkali-free chopped glass fiber treated with silane coupling agent, the fiber length is 1-4mm; the antioxidant is tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl) Propionic acid] pentaerythritol ester, tris (2,4-di-tert-butylphenyl) phosphite compound, the ratio is 1:2 by weight; the lubricant is silicone powder, pentaerythritol stearic acid The compound of two kinds of esters has a ratio of 1:1 by weight; the flow modifier is a hyperbranched high-molecular-weight polyhydroxy complex alcohol ester with polar groups.

[0034] The above materials are put into the mixer and mixed evenly, and then the mixed materials are put into the main lower barrel of the extruder and granulated by the extruder. During the extrusion process, 85 parts of chopped fibers are passed through the side feeding The t...

Embodiment 2

[0036] The present embodiment differs from Example 1 in that: first take the following materials in parts by weight:

[0037]

[0038] Chopped fiber is hydrolysis-resistant alkali-free chopped glass fiber treated with silane coupling agent, and the fiber length is 1-4mm; the antioxidant is tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl ) propionic acid] pentaerythritol ester, phosphite tris (2,4-di-tert-butylphenyl) compound, the ratio is 1:3 by weight; the lubricant is silicone powder, pentaerythritol stearin A compound of two esters, the ratio of which is 1:3 by weight; the flow modifier is a hyperbranched high-molecular-weight polyhydroxy complex alcohol ester with polar groups.

[0039] Put the above materials into the mixer and mix them evenly, then put the mixed materials into the main feeding barrel of the extruder and granulate through the extruder. During the extrusion process, 60 parts of chopped fibers pass through the side feeding The temperature of each tempera...

Embodiment 3

[0041] The present embodiment differs from Example 1 in that: first take the following materials in parts by weight:

[0042]

[0043] Chopped fiber is hydrolysis-resistant alkali-free chopped glass fiber treated with silane coupling agent, the fiber length is 3-4mm; the antioxidant is tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl) Propionic acid] pentaerythritol ester, tris (2,4-di-tert-butylphenyl) phosphite compound, the ratio is 1:2 by weight; the lubricant is silicone powder, pentaerythritol stearic acid The compound of two kinds of esters has a ratio of 1:1 by weight; the flow modifier is a hyperbranched high-molecular-weight polyhydroxy complex alcohol ester with polar groups.

[0044]Put the above materials into the mixer and mix them evenly, then put the mixed materials into the main lower barrel of the extruder and granulate through the extruder. During the extrusion process, 60 parts of chopped fibers pass through the side feeding Add by way, keep the vacuum ope...

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Abstract

The invention discloses a high-strength abrasion-resistant PA 66 (polyamide 66) composite material. The high-strength abrasion-resistant PA 66 composite material comprises, by weight, 70-100 parts ofnylon resin, 10-40 parts of aromatic nylon resin, 5-30 parts of abrasion-resistant agents, 0.5-2 parts of black color master batch, 30-90 parts of chopped fibers, 0.3-1 part of antioxidants, 0.3-1 part of lubricants and 0.3-1 part of flow modifiers. The invention further discloses a method for preparing the high-strength abrasion-resistant PA 66 composite material. The high-strength abrasion-resistant PA 66 composite material and the method have the advantages of high tensile strength and bending modulus, low friction coefficient and the like.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a high-strength wear-resistant PA66 composite material and a preparation method thereof. Background technique [0002] Since the successful development of nylon (PA) in the 1950s, it has become an important polymer material with the largest output, the widest application and the most varieties among the five major engineering plastics. Among them, nylon 66 has the advantages of high strength and scratch resistance, and is widely used in industries such as electronic appliances, automobiles, and home appliances. At the same time, PA66 has excellent mechanical properties and has the advantages of small specific gravity. Compared with metal parts, PA66 is light, rust-proof, vibration-resistant, impact-resistant, and has excellent processing performance. It is flexible in design and can be used on railways. It solves the vibration and noise problems when the lo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/06C08L77/10C08L27/18C08L23/06C08K3/04C08K9/06C08J5/08
CPCC08J5/08C08J2377/06C08J2423/06C08J2427/18C08J2477/10C08K3/04C08K2201/003
Inventor 周立辉卢津强车仕君张天浩楼韩峰
Owner 横店集团得邦工程塑料有限公司
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