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Polycarbonate resin foamed blow-molded article and process for producing same
Polycarbonate resin foamed blow-molded article and process for producing same
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机译:聚碳酸酯树脂发泡吹塑制品及其生产方法
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摘要
A process for producing a foamed blow-molded article, including melting and mixing a branched polycarbonate resin having a specific polystyrene equivalent weight average molecular weight, a specific weight average absolute molecular weight and a relatively high terminal hydroxyl group content, a linear polycarbonate resin having specific polystyrene equivalent weight average molecular weight, a specific weight average absolute molecular weight and a relatively low terminal hydroxyl group content and a branching agent to obtain a polycarbonate resin “A”, mixing the polycarbonate resin “A” with a blowing agent to obtain a foamable molten resin composition, extruding the foamable molten resin composition to obtain a foamed parison, and blow-molding the foamed parison.
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