C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
18/664, 18/669
C08J 9/34 (2006.01) B29C 44/22 (2006.01) B29C 47/00 (2006.01) B29C 47/06 (2006.01) B29C 47/88 (2006.01) B29C 70/08 (2006.01) C08J 9/00 (2006.01)
Patent
CA 2033133
A thermoplastic polyester series foamed material having a thickness of at least 3 mm and an apparent density of from 0.05 to 0.7 g/cm3 is diclosed, wherein the crystallinity of the resin in the surface portion within 0.5 mm from the surface of the foamed material is not more than 30% and at least 1% lower than the crystallinity of the resin in the central portion of the foamed material.
Amano Norio
Hayashi Motoshige
Hirai Takaaki
Ishibashi Masatoshi
Taki Takeshi
Riches Mckenzie & Herbert Llp
Sekisui Kaseihin Kogyo Kabushiki Kaisha
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