Glass fiber-reinforced nylon 6-polypropylene alloy material

A glass fiber and alloy material technology, which is applied in the field of glass fiber reinforced nylon 6-polypropylene alloy materials, can solve the problems of high cost and decreased mechanical properties, and achieve the effects of low cost, improved impact performance and good impact performance

Active Publication Date: 2008-06-11
SHANGHAI KINGFA SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cost of adding PPO and ABS to PA6 is high; at present, Wu Zhihua et al. have shown that adding itaconic acid grafted PP to PA6 can improve the impact toughness of alloy materials, but the cost is high, and other mechanical properties will be obvious decline
Moreover, there are still relatively few studies on improving the impact performance by changing the amount of polypropylene in the homopolymerization melt index (melt index about 12g / 10min) in glass fiber reinforced PA6 under the condition that the amount of toughener added remains unchanged. There is no report on relevant patent literature at home and abroad

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Mix 64% of PA6 M32800, 1% of PP HP500N, 29.7% of ER13-2000-988A, 5% of ZR1, 0.3% of 1010 in a high-speed mixer at room temperature, and then Screw extruder production, the processing conditions are: the temperature of the first zone is 220°C, the temperature of the second zone is 230°C, the temperature of the third zone is 240°C, the temperature of the fourth zone is 240°C, the temperature of the fifth zone is 250°C, the temperature of the sixth zone is 250°C, and the temperature of the seventh zone is 245 ℃, the temperature in the eighth zone is 235°C, and the temperature in the ninth zone is 220°C; the residence time is 2 minutes, and the speed of the host is 300 rpm.

Embodiment 2

[0034] Mix 62% of PA6 M32800, 3% of PP HP500N, 29.7% of ER13-2000-988A, 5% of ZR1, 0.3% of 1010 in a high-speed mixer at room temperature, and then in double Screw extruder production, the processing conditions are: the temperature of the first zone is 220°C, the temperature of the second zone is 230°C, the temperature of the third zone is 240°C, the temperature of the fourth zone is 240°C, the temperature of the fifth zone is 250°C, the temperature of the sixth zone is 250°C, and the temperature of the seventh zone is 245 ℃, the temperature in the eighth zone is 235°C, and the temperature in the ninth zone is 220°C; the residence time is 2 minutes, and the speed of the host is 300 rpm.

Embodiment 3

[0036] Mix 60% of PA6 M32800, 5% of PP HP500N, 29.7% of ER13-2000-988A, 5% of ZR1, 0.3% of 1010 in a high-speed mixer at room temperature, and then Screw extruder production, the processing conditions are: the temperature of the first zone is 220°C, the temperature of the second zone is 230°C, the temperature of the third zone is 240°C, the temperature of the fourth zone is 240°C, the temperature of the fifth zone is 250°C, the temperature of the sixth zone is 250°C, and the temperature of the seventh zone is 245 ℃, the temperature in the eighth zone is 235°C, and the temperature in the ninth zone is 220°C; the residence time is 2 minutes, and the speed of the host is 300 rpm.

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Abstract

The invention relates to glass fiber reinforcing nylon 6-polypropylene alloy material. The invention is characterized in that the invention adopts nylon 6 and polypropylene as the matrix resin, and under the condition that the addition level of plasticizer is not changed, the invention can achieve and is preferable to the mechanical property of the unilateral enforced nylon 6 material without polypropylene added, in particular to the impact property. The matrix resin, the plasticizer as well as the antioxidant are evenly mixed and then enter into a double screw extruder, simultaneously glass fiber is added from the special glass fiber opening of the double screw extruder, and the matrix resin, the plasticizer, the antioxidant and the glass fiber are cooled, dried and palletized to be produced into finished products after being mixed together and extruded. The invention has the advantages that the plasticizer can be self made, the cost of the alloy material is low, the invention has good impact property, and the other mechanical properties are kept unchanged basically.

Description

technical field [0001] The invention relates to a glass fiber-reinforced nylon 6-polypropylene alloy material, which can be used in industries such as electric tools and electronic appliances, and belongs to the technical field of polymer materials. Background technique [0002] Nylon 6 is a kind of engineering plastic with a wide range of uses. It is prepared by the polymerization of caprolactam. Its melting point is 215-225°C, and its service temperature range is -40°C-150°C. Due to the influence of temperature and environment, the performance of ordinary nylon 6 will vary. Substantial changes occur, so its application is greatly limited. Therefore, its comprehensive performance can be significantly improved by filling and strengthening modification. [0003] Modified nylon 6 materials can be widely used in industries such as electric tools and electrical and electronic connectors. At present, more studies are made on adding polyphenylene ether (PPO) or acrylonitrile-but...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/02C08K7/14C08J5/08B29C47/92C08L23/12C08L51/06B29C48/40B29C48/92
CPCB29C48/92B29C2948/92704B29C48/04B29C48/40B29C48/9185B29C2948/92561B29C2948/9259B29C2948/92885B29C2948/92895
Inventor 张永苏妤陆体超李翰卿冯德才
Owner SHANGHAI KINGFA SCI & TECH
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