专利名称：Thermoplastic polyester series resin foamed
material and production process thereof
发明人：Hayashi, Motoshige,Amano, Norio,Taki,
Takeshi,Ishibashi, Masatoshi,Hirai, Takaaki
申请号：EP90314265.1申请日：19901224公开号：EP0437094A3公开日：19920205
摘要：A thermoplastic polyester series foamed material having a thickness of at least3 mm and an apparent density of from 0.05 to 0.7 g/cm³ is diclosed, wherein thecrystallinity of the resin in the surface portion within 0.5 mm from the surface of thefoamed material is not more than 30% and at least 1% lower than the crystallinity of theresin in the central portion of the foamed material.
申请人：SEKISUI KASEIHIN KOGYO KABUSHIKI KAISHA
地址：25, 1-chome Minami Kyobate-cho Nara-shi Nara 630 JP
国籍：JP
代理机构：Pearce, Anthony Richmond
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