Composite material formula based on graphene powder

Abstract

The invention discloses a composite material formula based on graphene powder. The formula comprises the following components in parts by weight: 40-60 parts of polyethylene resin, 10-12 parts of ABS(acrylonitrile butadiene styrene) resin, 10-12 parts of phenolic vinyl ester resin, 4-8 parts of polytetrafluoroethylene emulsion, 20-30 parts of a compound dispersion, 1-5 parts of flame retardant, 1-3 parts of an anti-cracking agent and 1-3 parts of an antioxidant, wherein the compound dispersion is prepared by respectively putting modified graphene powder and modified sepiolite into deionized water in a mass ratio of 1:1 to implement grafting modification, and the reaction condition of grafting modification is that the components are stirred to react for 3 hours at 70-120 DEG C at normal pressure. The formula has the beneficial effects that by adopting the formula, the cold resistance and the impact resistance of a plastic can be improved, and the prepared plastic can be prevented fromembrittlement at a low temperature.

Description

technical field [0001] The invention relates to the technical field of plastics, in particular to a composite material formula based on graphene powder. Background technique [0002] With the development of industrial production and science and technology, plastics are widely used in people's lives. The temperature range of the currently used plastic products is relatively narrow, and the use in areas with large temperature differences will be limited. With the change of seasons, in some areas, the temperature difference between winter and summer is relatively large. In summer, the temperature is very high, and plastic products are easy to soften. In winter, plastic products become very brittle at minus 30°C. [0003] The low-temperature-resistant plastics in the prior art are modified with polyethylene as the main raw material, but with the addition of flame retardants, the impact toughness and thermal stability of the low-temperature-resistant modified plastics will be si...

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Problems solved by technology

[0003] The low-temperature-resistant plastics in the prior art are modified with polyethylene as the main raw material, but with the addition of flame retardants, the impact toughness and thermal stability of the low-temperature-resistant modified plastics will be significantly reduced. At the same time, the forming performance is affected, and a series of problems such as decomposition air marks and brittle cracks of the parts are prone to occur, so it needs to be improved.

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