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Low-cost and high-performance glass fiber reinforced nylon 6 composite material and preparation method thereof

A technology of glass fiber and composite materials, which is applied in the field of glass fiber reinforced nylon materials and its preparation, can solve the problems of high price, complicated technology, and little practical value, and achieve low cost, overcome compatibility, and smooth surface Effect

Active Publication Date: 2010-10-06
SHANGHAI KINGFA SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although nearly a hundred experimental products of whiskers of different materials have been developed in the 1960s, due to the complicated technology and high price, they are rarely of practical value.

Method used

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  • Low-cost and high-performance glass fiber reinforced nylon 6 composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A low-cost high-performance glass fiber reinforced nylon 6 composite material, which is composed of the following raw materials in weight percentage: nylon 6 (brand: PA6VOLGAMID; manufacturer: Shanghai Kuibyshev Nitrogen Engineering Plastics Co., Ltd.) 82.5%; 4.3% calcium sulfate whisker; 0.15% nucleating agent; 0.15% primary antioxidant; 0.1% secondary antioxidant; 0.3% modified additive; 0.2% silicone oil;

[0028] The compatibilization and toughening agent is composed of 2.3% of maleic anhydride grafted polyethylene octene co-elastomer and 2% of maleic anhydride grafted EPDM rubber. The nucleating agent is ultrafine talcum powder. The main antioxidant is tris(2,4-di-tert-butyl)phenylphosphite. The secondary antioxidant is 627A (bis(2,45-di-tert-butylphenyl) pentaerythritol diphosphite, Shanghai Jinhai Yabao Fine Chemical Co., Ltd.). The modified auxiliary agent is composed of A-C540A (polyethylene wax, Shenzhen Qinling Import and Export Trade Co., Ltd.). The glass...

Embodiment 2

[0032] A low-cost high-performance glass fiber reinforced nylon 6 composite material, which is composed of the following raw materials in parts by weight: nylon 6 (brand: PA6VOLGAMID; manufacturer: Shanghai Kuibyshev Nitrogen Engineering Plastics Co., Ltd.) 57%; 14% calcium sulfate whisker; 0.4% nucleating agent; 0.4% primary antioxidant; 0.2% secondary antioxidant; 1% modified additive; 0.5% silicone oil;

[0033] Described compatibilization and toughening agent is made of maleic anhydride grafted polyethylene octene co-elastomer 6% and maleic anhydride grafted styrene-ethylene / butylene-styrene block copolymer 6% and Fusabond 560D (U.S. DuPont) 2% composition. The nucleating agent is organic bentonite. The main antioxidant is tetrakis(β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate) pentaerythritol ester. The secondary antioxidant is THANOX-1098 (anti-extraction, low volatility hindered phenolic antioxidant, Tianjin Ruiande Technology Development Co., Ltd.). The modified ...

Embodiment 3

[0037] A low-cost and high-performance glass fiber reinforced nylon 6 composite material, which is composed of the following raw materials in parts by weight: 70% of nylon 6 (brand: PA6VOLGAMID; manufacturer: Shanghai Kuibyshev Nitrogen Engineering Plastics Co., Ltd.); 7% calcium sulfate whisker; 0.3% nucleating agent; 0.3% primary antioxidant; 0.3% secondary antioxidant; 0.7% modified auxiliary agent; 0.4% silicone oil;

[0038] The compatibilization and toughening agent is composed of 3.5% maleic anhydride grafted styrene-ethylene / butylene-styrene block copolymer and 3.5% maleic anhydride grafted EPDM rubber. The nucleating agent is P250 (thermoplastic nucleating agent, an optimized mixture of nucleating agents of organic and inorganic components, Shanghai Niu Nuo Chemical Technology Co., Ltd.). The main antioxidant is N,N'-bis-(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionyl)hexamethylenediamine. The secondary antioxidant is THANOX-1098 (Tianjin Ruiande Technology Developme...

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Abstract

The invention provides a low-cost and high-performance glass fiber reinforced nylon 6 composite material and a preparation method thereof. The composite material comprises the following components in percentage by weight: 57%-82.5% of nylon 6, 3%-20% of compatibilizing and toughening agents, 3%-12% of calcium sulfate whiskers, 0.1%-0.5% of nucleating agents, 0.1%-0.5% of main antioxidants, 0.1%-0.3% of auxiliary antioxidants, 0.3%-1.7% of modified assistants, 0.2%-0.7% of silicon oil and 5%-25% of glass fiber. The preparation method of the composite material comprises the following steps of: firstly mixing nylon 6 and silicon oil in a high-speed mixer, sequentially adding whiskers, nucleating agents, antioxidants, modified assistants and compatibilizing and toughening agents, uniformly mixing, and then melting, extruding and pelleting the mixture with glass fiber in a combined double-screw extruder, wherein the extrusion temperature is 240-260 DEG C. The glass fiber reinforced nylon 6 composite material has the advantages of low cost, excellent mechanical property, good fluidity, smooth surface and the like and can be used for devices with higher surface requirements, such as microwave ovens, electric tool panels and the like.

Description

technical field [0001] The invention relates to a nylon material and a preparation method thereof, in particular to a glass fiber reinforced nylon material and a preparation method thereof. Background technique [0002] After nylon 6 is reinforced with glass fibers, its mechanical properties, thermal properties, dimensional stability, creep resistance, fatigue resistance and wear resistance have all been significantly improved. Since the development of long glass fiber reinforced nylon 6 in the early 1970s, its application range has been further broadened. Long glass fiber reinforced nylon 6 composite materials have great development potential in the fields of automobiles, machinery, electrical appliances, and military industry. They can be used to manufacture automobile bumpers, engine noise isolation covers, seat frames, headlights, fans, radiator grilles, Dashboard brackets, etc., and also occupy a place in the fields of aerospace and weapons. [0003] How to reduce cos...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/02C08K13/04C08K7/02C08K7/14B29C47/92B29B9/06B29B9/14B29C48/40B29C48/92
CPCB29C48/92B29C2948/92704B29C48/04B29C48/40B29C2948/92895
Inventor 王灿耀易庆锋孙刚吉继亮苏妤
Owner SHANGHAI KINGFA SCI & TECH
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