Halogen-free flame retardant PVC (polyvinyl chloride) material for automobiles and preparation method of halogen-free flame retardant PVC material

Abstract

The invention discloses a halogen-free flame retardant PVC (polyvinyl chloride) material for automobiles and a preparation method of the halogen-free flame retardant PVC material. The halogen-free flame retardant PVC material is prepared from the following raw materials in parts by weight: 45-55 parts of SG-3 type PVC resin, 25-35 parts of bisphenol A polycarbonate, 15-20 parts of polyphenyl ether, 10-15 parts of phenoxyl polyphosphazene, 7-14 parts of zinc molybdate, 12-16 parts of expanded graphite, 5-10 parts of magnesium hypophosphite, 4-7 parts of silicone lubricating grease, 2-3 parts of tri(hydroxy ethyl mercaptan) antimony, 1.5-2.5 parts of lead salicylate, 2-3 parts of stearoylbenzoylmethane, 3-5 parts of dipentaerythritol ester, 6-12 parts of aluminum-magnesium silicate, 5-10 parts of tourmaline powder, 10-15 parts of boehmite powder, 12-18 parts of ring hydrogenated diisononyl phthalate, 5-10 parts of dimethyl trimethylsilylmethylphosphonate, 8-12 parts of trihexyl O-acetylcitrate, 10-15 parts of composite nano-powder, 1-2 parts of an antioxidant 300 and 1-2 parts of an antioxidant 1010. The prepared PVC material disclosed by the invention has good environmental protection flame retardant performance, is low in smoke generation amount, can not generate corrosive substances and toxic gas, is high in flame retardant rating, excellent in mechanical performance and good in thermal stability, is resistant to aging and chemical corrosion, and is wide in application prospect.

Description

technical field [0001] The invention relates to a PVC material and a preparation method thereof, in particular to a halogen-free flame-retardant PVC material for automobiles and a preparation method thereof. Background technique [0002] Polyvinyl chloride is a material with a wide range of uses. It is widely used in the automotive industry because of its excellent properties such as good rigidity, high strength, flame retardancy, corrosion resistance, and good electrical insulation, and it is rich in sources and low in cost. With the rapid development of the automobile industry, the performance requirements of PVC materials are getting higher and higher. Currently, PVC materials on the market often add flame retardants containing halogen elements to improve flame retardancy. A large amount of corrosive and highly toxic smoke seriously affects human health and pollutes the environment, and does not meet safety and environmental protection requirements. Therefore, it is urgen...

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Problems solved by technology

[0002] Polyvinyl chloride is a material with a wide range of uses. It is widely used in the automotive industry because of its excellent properties such as good rigidity, high strength, flame retardancy, corrosion resistance, and good electrical insulation, and it is rich in sources and low in cost. With the rapid development of the automobile industry, the performance requirements of PVC materials are getting higher and higher. Currently, PVC materials on the market often add flame retardants containing halogen elements to improve flame retardancy. A large amount of corrosive and toxic smoke seriously affects human health and pollutes the environment, and does not meet safety and environmental protection requirements. Therefore, it is urgent to develop a halogen-free flame-retardant PVC material for automobiles to meet market requirements

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