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Heat-resistant expandable resin particle composition

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专利汇可以提供Heat-resistant expandable resin particle composition专利检索,专利查询,专利分析的服务。并且PURPOSE: The titled composition for providing a molded article having extremely improved heat resistance, obtained by coating the surfaces of expandable resin particles with a lubricant.
CONSTITUTION: 3W15wt% easily volatile blowing agent and 0.01W5wt% blowing auxiliary are added to resin particles of a base material resin consisting of a polymer or a copolymer having ≥105°C Vicat softening point (JIS-K-7206, 1kg load method) to give expandable resin particles. The surfaces of the expandable resin particles are coated with 0.01W1wt%, preferably 0.03W0.5wt% lubricant having ≤100°C melting point. The base material resin is obtained by polymerizing 20W100wt% single or mixed monomer of mono- or dialkylstyrene (α-alkylstyrene, etc.), mono- or dihalogenated styrene with 80W0wt% another polymerizable monomer. A high fatty acid ester, hardened animal oil, or hardened vegetable oil is preferable as the lubricant.
COPYRIGHT: (C)1984,JPO&Japio,下面是Heat-resistant expandable resin particle composition专利的具体信息内容。

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