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High-fiber reinforced nylon composite material

A nylon composite material and composite material technology, applied in the field of polymer materials, can solve the problems of poor surface, floating fiber appearance, and insignificant improvement in mechanical strength, etc., and achieve the effect of improved mechanical properties, excellent apparent properties, and smooth surface

Inactive Publication Date: 2017-05-31
BENSONG ENG PLASTICS HANGZHOU
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a high-fiber reinforced nylon composite material, which can obtain a high-strength and high-modulus composite material with high strength and high modulus, no floating fiber on the surface, and excellent appearance through the good dispersion of glass fiber in low-viscosity resin. The high glass fiber reinforced nylon composite material solves the technical problems in the prior art that when the glass fiber content of the high glass fiber content reinforced nylon material reaches 40%, the mechanical strength does not increase significantly, the appearance of floating fibers is serious, and the surface becomes poor.

Method used

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  • High-fiber reinforced nylon composite material

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Effect test

Embodiment 1- Embodiment 7

[0036] Add the PA6 resin, lubricant, and pigment additives to the mixer according to the weight ratio of the materials in Table 1. After mixing, add them to the extruder from the main feed port, and feed the glass fiber into the extruder from the side feed port. After melt blending, cooling, air drying and granulation, the performance tests are shown in Table 1.

[0037] Table 1 Example 1-7 glass fiber reinforced nylon composite material component ratio and performance test results

[0038]

[0039]

Embodiment 8- Embodiment 14

[0045] Add the PA66 resin, lubricant, and pigment additives to the mixer according to the weight ratio of the materials in Table 3. After mixing, add them to the extruder from the main feeding port, and add glass fiber to the extruder from the side feeding port. After melt blending, cooling, air drying and granulation, the performance tests are shown in Table 3.

[0046] Table 3 Example 8-14 glass fiber reinforced nylon composite material component ratio and performance test results

[0047]

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Abstract

The invention belongs to the technical field of high molecular materials, and particularly relates to a high-fiber reinforced nylon composite material with high strength, high modulus and superior appearance. The high-fiber reinforced nylon composite material is prepared from the following components in parts by weight: 30 to 60 parts of nylon resin, 40 to 70 parts of glass fiber, 0.1 to 2 parts of lubricating agent, and 0 to 3 parts of pigment auxiliary. According to the high-fiber reinforced nylon composite material provided by the invention, the nylon resin with the viscosity being 1.6 to 2.1 is selected, and excellent mobility of the low-viscosity nylon resin is utilized, so that the dispersed homogeneous degree of the glass fiber in a nylon resin matrix is improved, the glass fiber can be completely coated by the resin matrix, the interface bonding of the resin matrix and the glass fiber is better, and the high-fiber reinforced nylon composite material with high glass fiber content, bright surface, no floating fiber, and superior appearance can be conveniently obtained through extruding. The nylon composite material prepared through the invention has high strength and high modulus, and the application range of the high-fiber reinforced nylon material in the application fields with high mechanical property and appearance requirements is widened.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, in particular to a high-fiber reinforced nylon composite material with high strength, high modulus and excellent appearance. Background technique [0002] Nylon is a common name for polyamide, and its English name is Polyamide (PA), which is a general term for polymers containing amide groups in the repeating unit of the macromolecular main chain. The amide bond is polar and can form a hydrogen bond. The intermolecular force is large, the molecular chains are arranged neatly, and it has high crystallinity, which makes nylon have high mechanical strength and elastic modulus. At the same time, nylon has a high melting point and wear resistance. Energy consumption, small friction coefficient, good self-lubrication, shock absorption and noise reduction, good chemical stability, etc., make nylon resin the most used engineering plastics, widely used in automobiles, machinery manufacturing, be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/02C08L77/06C08K9/06C08K7/14C08K5/20C08K5/098C08J5/08
CPCC08K9/06C08J5/08C08J2377/02C08J2377/06C08K5/098C08K5/20C08K7/14C08K2201/003C08K2201/004C08L77/02C08L77/06
Inventor 于同陈光辉周永松徐淑芬
Owner BENSONG ENG PLASTICS HANGZHOU
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