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Compositions of expandable vinyl aromatic polymers with an improved thermal insulation capacity, process for their preparation and expanded articles obtained therefrom
Compositions of expandable vinyl aromatic polymers with an improved thermal insulation capacity, process for their preparation and expanded articles obtained therefrom
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机译:可膨胀乙烯基芳族聚合物的组合物具有改善的隔热容量,其制备方法和由其获得的膨胀物品
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摘要
Expandable vinyl aromatic polymers which comprise: a matrix obtained by polymerizing 50-100% by weight of one or more vinyl aromatic monomers and 0-50% by weight of at least one copolymer izable monomer; 1-10% by weight, calculated with respect to the polymer (a), of an expanding agent englobed in the polymeric matrix; 0.05-25% by weight, calculated with respect to the polymer (a), of a filler comprising coke with a surface area, measured according to ASTM D-3037/89, ranging from 5 to 50 m2/g.
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