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High-strength high-toughness glass-fiber-reinforced PA/ABS (polyamide/acrylonitrile-butadiene-styrene) composite material and preparation method thereof

A composite material and high-toughness technology, applied in the field of composite materials, can solve the problems of reduced strength, tensile strength and bending performance, and achieve the effects of improved fluidity, good toughening effect, and stable quality

Inactive Publication Date: 2013-12-18
SHANGHAI SUNNY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The Chinese Patent Literature Publication No. CN 102051046 A discloses a PA / ABS composite material and its preparation method, which can greatly improve the toughness of the material, but its strength, especially the tensile strength and bending properties, are reduced
[0003] Regarding the high-strength, high-toughness glass fiber reinforced PA / ABS composite material of the present invention, there is no report yet

Method used

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  • High-strength high-toughness glass-fiber-reinforced PA/ABS (polyamide/acrylonitrile-butadiene-styrene) composite material and preparation method thereof
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～ Embodiment 4

[0023] Embodiment 1~Example 4 and Comparative Example 1~Comparative Example 4

[0024] The polyamide is PA6, the glass fiber is alkali-free glass fiber whose surface has been treated with silane coupling agent, the antioxidant is hindered phenolic antioxidant, the lubricating and dispersing agent is silicone, and the compatibilizer is maleic anhydride, methyl Glycidyl acrylate bifunctional co-grafted polyolefin elastomer. Each raw material was weighed according to the weight percentage shown in Table 1.

[0025] Table 1 Weight percentage (wt%) of each raw material in Example 1-Example 4 and Comparative Example 1-Comparative Example 4

[0026]

[0027] Except for the glass fiber, put other raw materials into a high-efficiency mixer and mix for 5 minutes, and then discharge; the obtained premix is ​​extruded and granulated by a twin-screw extruder, and the glass fiber is fed sideways during the extrusion process. The feed port is added, the processing temperature is 210-23...

Embodiment 5

[0033] The glass fiber is alkali-free glass fiber whose surface has been treated with silane coupling agent, the antioxidant is hindered phenolic antioxidant, the lubricating and dispersing agent is silicone, the compatibilizer is maleic anhydride, glycidyl methacrylate bis Functional group co-grafted polyolefin elastomer. Take each raw material according to the following weight percentages:

[0034] Polyamide 62.5%, ABS 22%, compatibilizer 5%, glass fiber 10%, antioxidant 0.2%, lubricating dispersant 0.3%.

[0035] Except for glass fiber, put other raw materials into a high-efficiency mixer and mix for 4 minutes, and then discharge; the obtained premix is ​​extruded and granulated by a twin-screw extruder, and the glass fiber is fed sideways during the extrusion process. The feed port is added, the processing temperature is 210-235°C, divided into nine sections, one section is 210°C, the second section is 215°C, the third section is 220°C, the fourth section is 225°C, the fi...

Embodiment 6

[0037] The polyamide is PA6, the glass fiber is alkali-free glass fiber whose surface has been treated with silane coupling agent, the antioxidant is hindered phenolic antioxidant, the lubricating and dispersing agent is silicone, and the compatibilizer is maleic anhydride, methyl Glycidyl acrylate bifunctional co-grafted polyolefin elastomer. Take each raw material according to the following weight percentages:

[0038] Polyamide 39.5%, ABS 22%, compatibilizer 8%, glass fiber 30%, antioxidant 0.3%, lubricating dispersant 0.2%.

[0039] Except for the glass fiber, put other raw materials into the high-efficiency mixer and mix for 3 minutes, and then discharge; the obtained premix is ​​extruded and granulated by a twin-screw extruder, and the glass fiber is fed sideways during the extrusion process. The feed port is added, the processing temperature is 210-235°C, divided into nine sections, one section is 210°C, the second section is 215°C, the third section is 220°C, the four...

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Abstract

The invention discloses a high-strength high-toughness glass-fiber-reinforced PA / ABS (polyamide / acrylonitrile-butadiene-styrene) composite material which is prepared from the following raw materials in percentage by weight: 10-65% of polyamide, 10-50% of ABS, 5-15% of compatilizer, 10-40% of glass fiber, 0.1-1% of antioxidant and 0.1-1% of lubricating and dispersing agent. The invention also discloses a preparation method of the high-strength high-toughness glass-fiber-reinforced PA / ABS composite material. The glass-fiber-reinforced PA / ABS composite material disclosed by the invention has the advantages of high strength, high toughness, stable quality and excellent comprehensive mechanical properties, and can be widely used in products in the fields of automobile interior and exterior components, electronic and electric appliances and the like.

Description

technical field [0001] The invention relates to the technical field of composite materials, in particular to a high-strength, high-toughness glass fiber reinforced PA / ABS composite material and a preparation method thereof. Background technique [0002] Polyamide (referred to as PA), commonly known as nylon, has been widely used in automobiles, electronics, machinery and other fields because of its good strength, wear resistance, oil resistance and wide temperature range. However, with the rapid development of the electronics, electrical and automotive industries in recent years, the demand for high-strength and high-toughness engineering plastics is increasing. The commonly used polyamide engineering plastics have high water absorption, poor dimensional stability, low temperature and dry impact strength. The low disadvantages gradually fail to meet the performance requirements of many automotive and electrical parts. The blending modification of polyamide with acrylonitril...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/02C08L55/02C08L51/06C08L83/04C08K13/04C08K7/14B29C47/92B29C48/92
CPCB29B7/90B29B9/14B29C48/04B29C48/40B29C48/92B29C2948/92704B29C2948/92895
Inventor 金幸杨涛孟成铭郭建鹏
Owner SHANGHAI SUNNY
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