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PC/ABS alloy material for household appliances

A technology for alloy materials and home appliances, which is applied in the field of alloy plastics, can solve problems such as single material does not show shielding performance, polymer material preparation is complicated, and the aging resistance of alloy materials is reduced, so as to reduce electromagnetic pollution, good electromagnetic shielding performance, Good absorption coefficient effect

Inactive Publication Date: 2020-09-04
宁波保税区君一汽配科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The electromagnetic shielding materials in the prior art are mainly divided into four categories: (1) metal good conductor electromagnetic shielding materials, (2) magnetic dielectric electromagnetic shielding materials, (3) conductive polymer electromagnetic shielding materials: polymer materials are complicated to prepare , and a single material does not show excellent shielding properties, (4) carbon materials (carbon nanotubes, carbon fibers and graphene)
By improving the impedance matching of carbon materials and improving the absorption coefficient of electromagnetic waves, achieving high-efficiency electromagnetic shielding will reduce the aging resistance of alloy materials to a certain extent.

Method used

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  • PC/ABS alloy material for household appliances
  • PC/ABS alloy material for household appliances
  • PC/ABS alloy material for household appliances

Examples

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Effect test

Embodiment 1

[0053] A PC / ABS alloy material for household appliances, consisting of the following raw materials in parts by weight: 58.3 parts of PC resin, 25 parts of ABS resin, 8 parts of straw biochar material, 8 parts of compatible toughening agent, 0.3 part of antioxidant, lubricating 0.4 parts of the agent. Dry PC resin at 125°C for 3.5 hours, dry ABS resin at 80°C for 4 hours, mix 58.3 parts of PC resin, 25 parts of ABS resin, 8 parts of modified straw biochar materials, 8 parts of compatible toughening agent, 0.3 parts of oxygen agent and 0.4 parts of lubricant were mixed, extruded and granulated in a twin-screw extruder at 240° C., and dried at 100° C. for 8 hours to obtain the PC / ABS alloy material for household appliances.

[0054] The compatible toughening agent is methyl methacrylate-butadiene-styrene terpolymer toughening agent, brand: EXL-2620, Dow Chemical.

[0055] The antioxidant is Antioxidant 1010, full name tetrakis(3,5-di-tert-butyl-4-hydroxyhydrocinnamic acid) penta...

Embodiment 2

[0059] A PC / ABS alloy material for household appliances, consisting of the following raw materials in parts by weight: 58.3 parts of PC resin, 25 parts of ABS resin, 8 parts of modified straw biochar material, 8 parts of compatible toughening agent, and 0.3 part of antioxidant , 0.4 part of lubricant. Dry PC resin at 125°C for 3.5 hours, dry ABS resin at 80°C for 4 hours, mix 58.3 parts of PC resin, 25 parts of ABS resin, 8 parts of modified straw biochar materials, 8 parts of compatible toughening agent, 0.3 parts of oxygen agent and 0.4 parts of lubricant were mixed, extruded and granulated in a twin-screw extruder at 240° C., and dried at 100° C. for 8 hours to obtain the PC / ABS alloy material for household appliances.

[0060] The compatible toughening agent is methyl methacrylate-butadiene-styrene terpolymer toughening agent, brand name: EXL-2620, Dow Chemical.

[0061] The antioxidant is Antioxidant 1010, full name tetrakis(3,5-di-tert-butyl-4-hydroxyhydrocinnamic acid) p...

Embodiment 3

[0067] A PC / ABS alloy material for household appliances, consisting of the following raw materials in parts by weight: 58.3 parts of PC resin, 25 parts of ABS resin, 8 parts of modified straw biochar material, 8 parts of compatible toughening agent, and 0.3 part of antioxidant , 0.4 part of lubricant. Dry PC resin at 125°C for 3.5 hours, dry ABS resin at 80°C for 4 hours, mix 58.3 parts of PC resin, 25 parts of ABS resin, 8 parts of modified straw biochar materials, 8 parts of compatible toughening agent, 0.3 parts of oxygen agent and 0.4 parts of lubricant were mixed, extruded and granulated in a twin-screw extruder at 240° C., and dried at 100° C. for 8 hours to obtain the PC / ABS alloy material for household appliances.

[0068] The compatible toughening agent is methyl methacrylate-butadiene-styrene terpolymer toughening agent, brand name: EXL-2620, Dow Chemical.

[0069] The antioxidant is Antioxidant 1010, full name tetrakis(3,5-di-tert-butyl-4-hydroxyhydrocinnamic acid)...

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Abstract

The invention discloses a PC / ABS alloy material for household appliances. The composite material comprises the following raw materials in parts by weight: 55-70 parts of PC resin, 18-40 parts of ABS resin, 5-15 parts of a straw biochar material, 6-10 parts of a compatible toughening agent, 0.2-0.8 part of an antioxidant, 0.3-1.0 part of a lubricant, 0.5-1.0 part of modified lignin, 1-5 parts of anantibacterial agent and 5-15 parts of a flame retardant. By adding the modified lignin, the ageing resistance of the PC / ABS alloy material is improved while good electromagnetic shielding performanceis kept.

Description

technical field [0001] The invention belongs to the field of alloy plastics, and in particular relates to a PC / ABS alloy material for household appliances. Background technique [0002] In the process of technological development, with the continuous improvement of living standards, the application range of electromagnetic waves has also been continuously expanded, and electromagnetic waves are everywhere. As electronics and products are widely used in daily life, people's lives are more convenient and the quality of life is effectively improved. In addition, due to the continuous development of electronic, electrical and communication equipment in the direction of densification and modernization, the electromagnetic environment in a limited space has deteriorated sharply, and a series of social problems have also appeared at high frequency, which has a bad impact on the ecological environment, such as electromagnetic interference, etc. The existence of electromagnetic radi...

Claims

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Application Information

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IPC IPC(8): C08L69/00C08L55/02C08L97/00C08K13/04C08K7/24C08K3/22C08K9/08C08K3/32C01B32/324C01B32/348H05K9/00C08H7/00
CPCC08H6/00C08K2003/2241C08K2003/2286C08K2003/323C08K2201/011C08L69/00C08L2201/08C08L2205/035C08L2205/08C01B32/324C01B32/348H05K9/0081C08L55/02C08L97/005C08K13/04C08K7/24C08K3/22C08K9/08C08K3/32
Inventor 张燕丹
Owner 宁波保税区君一汽配科技有限公司
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