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Composite resin material with improved performance and application of composite resin material in automobile decoration material

A composite resin and modified resin technology, applied in the field of resin grafting modification and compounding, can solve the problems of difficulty in meeting the requirements of the blending system, large differences in the properties of the modified resin, inconvenient construction of the coupling agent, etc. The effects of pollution, improvement of interfacial adhesion, and simple and feasible preparation process

Inactive Publication Date: 2021-10-08
北京能之光科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to problems such as low maleic anhydride grafting rate, single functional group, inconvenient construction of coupling agent, and large difference in properties of modified resins, its practical application is greatly restricted, and it is difficult to meet the requirements of complex blending systems.

Method used

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  • Composite resin material with improved performance and application of composite resin material in automobile decoration material

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049]Preparation 1 of embodiment 1-modified resin

[0050] Mix 1.0 part of MAH, 0.1 part of antioxidant (compounded by antioxidants AO1010 and AO168 at a mass ratio of 1:1) and 100 parts of POE particles or powder through a temperature-controlled high-mixer for 2 minutes at a temperature of 25 °C, with a rotation speed of 500 rpm; then reduce the rotation speed to 50 rpm, and add 0.1 part of dicumyl peroxide crosslinking agent and 1 part of silane coupling agent A171 evenly by spraying. After the addition is complete, mix at a high speed of 700r / min at a temperature of 25°C for 10 minutes to obtain a premix; finally, the premix is ​​granulated through a twin-screw extruder with a length-to-diameter ratio of L / D of 44:1 to obtain modification Resin pellets.

[0051] The temperature of each zone of the extruder is: 80°C in the feeding zone, 140°C in the pre-melting zone, 200°C in the melting zone, 190°C in the metering zone, 200°C in the head, and 300 rpm.

Embodiment 2

[0052] Preparation 2 of embodiment 2-modified resin

[0053] Mix 1.0 part of MAH, 0.1 part of antioxidant (compounded by antioxidants AO1010 and AO168 at a mass ratio of 1:1) and 100 parts of EVA particles or powder through a temperature-controlled high-mixer for 2 minutes at a temperature of 25 °C, with a rotation speed of 500 rpm; then reduce the rotation speed to 50 rpm, and add 0.1 part of dicumyl peroxide crosslinking agent and 1 part of silane coupling agent A171 evenly by spraying. After the addition is complete, mix at a high speed of 700r / min at a temperature of 25°C for 10 minutes to obtain a premix; finally, the premix is ​​granulated through a twin-screw extruder with a length-to-diameter ratio of L / D of 44:1 to obtain modification Resin pellets.

[0054] The temperature of each zone of the extruder is: 80°C in the feeding zone, 140°C in the pre-melting zone, 200°C in the melting zone, 190°C in the metering zone, 200°C in the head, and 300 rpm.

Embodiment 3

[0055] Preparation 3 of embodiment 3-modified resin

[0056] Mix 3.0 parts of MAH, 0.1 part of antioxidant (compounded by antioxidants AO1010 and AO168 at a mass ratio of 1:1) and 100 parts of POE particles or powder through a temperature-controlled high-mixer for 2 minutes at a temperature of 25 °C, with a rotation speed of 500 rpm; then reduce the rotation speed to 50 rpm, and add 0.1 parts of dicumyl peroxide crosslinking agent and 3 parts of silane coupling agent A171 evenly by spraying. After the addition is complete, mix at a high speed of 700r / min at a temperature of 25°C for 5 minutes to obtain a premix; finally, the premix is ​​granulated through a twin-screw extruder with a length-to-diameter ratio of L / D of 44:1 to obtain modification Resin pellets.

[0057] The temperature of each zone of the extruder is: 80°C in the feeding zone, 140°C in the pre-melting zone, 200°C in the melting zone, 190°C in the metering zone, 200°C in the head, and 300 rpm.

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Abstract

The invention relates to a composite resin material with improved performance and application of the composite resin material in automobile decoration materials (such as layered automobile decoration materials). The composite resin material comprises a filler, a filler compatilizer, matrix resin, an optional antioxidant and the like, wherein the filler compatilizer is polyolefin-based modified resin double-grafted by MAH and a silane coupling agent.

Description

technical field [0001] The invention belongs to the field of resin graft modification and compounding, and in particular relates to a composite resin material with improved performance and its application in automobile decoration materials (such as layered automobile decoration materials). Background technique [0002] Polymer materials such as resins have low density and light weight, and have a wide range of application fields and performance advantages. As the application of polymer materials becomes more and more widespread, its common use with inorganic materials (such as fillers) is also more and more extensive. The blending of polymer materials and fillers (such as blending inorganic fillers) can effectively improve the mechanical properties, thermal properties, electrochemical properties or processing properties of plastics and other products in some cases, while reducing material costs to a certain extent. [0003] Fillers are usually inorganic mineral powders, fib...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L51/06C08K3/26
CPCC08L23/12C08K2003/265C08L51/06C08K3/26
Inventor 罗树林陈贤贵张祥洲
Owner 北京能之光科技有限公司
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