Polyvinyl chloride with good thermal stability

Abstract

The invention discloses polyvinyl chloride with good thermal stability. The polyvinyl chloride with good thermal stability comprises the following raw materials in parts by weight: 40-70 parts of polyvinyl chloride, 5-10 parts of polystyrene, 10-25 parts of polymethyl methacrylate, 0.5-1.5 parts of polyethylene wax, 0.4-0.8 part of rare earth metal compound, 1-2 parts of chlorinated paraffin, 0.5-1 part of maleic anhydride-grafted ethylene propylene diene monomer rubber, 0.2-0.8 part of dibutyl tin dilaurate, 0.2-0.6 part of dodecenylsuccinic anhydride, 0.5-1.5 parts of dicumyl peroxide, 1-4 parts of vermiculite power, 6-10 parts of talcum powder, 0.5-2 parts of precipitated barium sulphate, 5-9 parts of nylon fiber, 4-8 parts of mica powder, 6-10 parts of calcium silicate, 8-12 parts of composite carbon, 2-4 parts of a titanate coupling agent, 0.5-1.5 parts of an antioxidant, 0.5-1 part of an lubricant and 0.5-1.5 parts of a light stabilizer.

Description

technical field [0001] The invention relates to the technical field of plastics, in particular to polyvinyl chloride with good thermal stability. Background technique [0002] Polyvinyl chloride is a thermoplastic resin polymerized by vinyl chloride under the action of an initiator. Polyvinyl chloride has good mechanical properties, high tensile strength, good impact strength, and excellent dielectric properties. In terms of specific applications, According to the main properties of PVC products, it can be divided into rigid polyvinyl chloride and soft polyvinyl chloride. Among them, rigid polyvinyl chloride is mainly used in construction materials such as pipes and profiles, while soft polyvinyl chloride is mainly used in cables. , hoses, electrical appliances, etc. At present, the thermal stability of polyvinyl chloride products for cable sheaths is poor, and the waterproof and aging resistance properties cannot meet the needs and need to be improved urgently. Contents o...

AI Technical Summary

Problems solved by technology

[0002] Polyvinyl chloride is a thermoplastic resin polymerized by vinyl chloride under the action of an initiator. Polyvinyl chloride has good mechanical properties, high tensile strength, good impact strength, and excellent dielectric properties. In terms of specific applications, According to the main properties of PVC products, it can be divided into rigid polyvinyl chloride and soft polyvinyl chloride. Among them, rigid polyvinyl chloride is mainly used in construction materials such as pipes and profiles, while soft polyvinyl chloride is mainly used in cables. , hoses, electrical appliances, etc. At present, the thermal stability of PVC products for cable sheaths is poor, and the waterproof and aging resistance properties cannot meet the needs, which need to be improved urgently