Special material for copper pollution resistant sockets and preparation method thereof

A technology for special materials and sockets, which is applied in the field of preparation of special materials for anti-copper damage sockets, can solve problems such as copper damage resistance, and achieve the effects of easy insulation, good dispersibility, and good oil extraction

Inactive Publication Date: 2015-05-06
SHANGHAI SUNNY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a special material for anti-copper damage sockets through in-depth research on how to solve the problem of copper damage resistance of polypropylene in the field of sockets.

Method used

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  • Special material for copper pollution resistant sockets and preparation method thereof
  • Special material for copper pollution resistant sockets and preparation method thereof
  • Special material for copper pollution resistant sockets and preparation method thereof

Examples

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preparation example Construction

[0030] Its preparation method comprises the following steps:

[0031] (1) Weigh the raw materials according to the weight ratio; (2) the above-mentioned materials are extruded and granulated by a twin-screw extruder, the rotating speed of the screw machine is 180-600 rpm, the temperature is 185-205 ° C, and the cold water traction The temperature is 10-40°C

Embodiment 1

[0033] (1) Weigh raw materials according to weight ratio: copolymerized polypropylene or homopolypropylene: 52.6%, glass fiber: 20%, halogen-free flame retardant: 25%, lubricant: 0.4%. Compatibilizer: 2%.

[0034] (2) Blend the above-mentioned raw materials in a high-speed mixer for 5 minutes, and then extrude them from a twin-screw extruder. grain.

Embodiment 2

[0036] (1) Weigh raw materials according to weight ratio: copolymerized polypropylene or homopolypropylene: 52.3%, glass fiber: 20%, halogen-free flame retardant: 25%, compatibilizer: 2%, anti-copper agent (MDA -5): 0.1%, antioxidant (1010 / 168): 0.2% / 0.2%, lubricant: 0.4%.

[0037] (2) Blend the above-mentioned raw materials in a high-speed mixer for 5 minutes, and then extrude them from a twin-screw extruder. grain.

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Abstract

The invention relates to a special material for copper pollution resistant sockets. The material is prepared from the following raw materials in percentage by weight: 45-57% of polypropylene, 20-30% of glass fiber, 20-25% of a compound halogen-free flame retardant, 0.1-0.5% of an anti-copper agent, 2-5% of a compatibilizer, 0.1-0.3% of an antioxidant and 0.1-0.5% of a lubricant. The invention further provides a preparation method of the special material for copper pollution resistant sockets. The special material for copper pollution resistant sockets provided by the invention has the advantages that the proper anti-copper agent is adopted to improve the copper ageing resistance of the special material for sockets, moreover the material has good compatibility with polypropylene, good dispersion, no migration, no pollution, water resistance and good oil extraction, and the electrical insulation property and other properties of the resin are not influenced, the special material for sockets has excellent copper pollution resistance, mechanical properties, fire resistance and processing properties, and can meet the requirements of the European Union RoHS, IEC non-halogen and Reach laws and regulations, thereby having a good application prospect in the field of sockets.

Description

technical field [0001] The invention relates to the field of special materials for sockets, in particular to a preparation method of special materials for sockets resistant to copper damage. Background technique [0002] Polypropylene, especially modified polypropylene, has been widely used in the field of household appliances due to its excellent performance and low price. Different uses have different requirements for the performance of polypropylene. When polypropylene is used in the field of sockets, in addition to flame retardant properties In addition to mechanical properties, dielectric properties and heat resistance, thermo-oxidative aging performance is also an important performance requirement. The thermal oxidative degradation of polypropylene is carried out according to a typical free radical chain reaction mechanism. The hydroperoxide generated in the reaction is decomposed by heat to generate free radicals that cause a chain reaction. This reaction is generally...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/14C08K13/04C08K7/14C08K5/3417C08K5/25C08K5/20B29B9/06
CPCC08L23/14C08L2201/02C08L2201/22
Inventor 刘志文郭建鹏陈超徐熠孟成铭
Owner SHANGHAI SUNNY
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