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Foamable thermoplastic compositions, foamed articles and foaming method based on pre-compounded nucleating agent-resin concentrate
Foamable thermoplastic compositions, foamed articles and foaming method based on pre-compounded nucleating agent-resin concentrate
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机译:基于预混合的成核剂-树脂浓缩物的发泡热塑性组合物,发泡制品和发泡方法
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摘要
Foamable thermoplastic compositions are described which are based on pre-compounded concentrated blends of an inorganic non-fibrous particulate foaming agent and a carrier polymer. The foamable thermoplastic polymer is selected from among aromatic polycarbonates alone or with acrylonitrile-butadiene-styrene copolymers polyesters, poly(ester-carbonates), and polyetherimides. The foaming agent may optionally be added as part of the concentrate.
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