发明名称 |
COPOLIMERO IDROLIZZATO ETILENE ACETATO DI VINILE. |
摘要 |
A hydrolyzed ethylene-vinyl acetate copolymer having an ethylene content of 20 to 60% by mole and a defree of hydrolysis in the vinyl acetate component of at least 95% by mole, and having an ash content of not more than 20 ppm and an alkali metal content of not more than 5 ppm. The hydrolyzed copolymer of the invention can form films whose gas impermeability is not lowered even at high humidity. |
申请公布号 |
IT8721267(D0) |
申请公布日期 |
1987.07.14 |
申请号 |
IT19870021267 |
申请日期 |
1987.07.14 |
申请人 |
NIPPON GOHSEI HAGAKU KOGYO KABUSHIKI KAISHA |
发明人 |
MASASI HAKAGIRI;SHINJI OKAMOTO;MASAAKI MINAKAWA;YOUTITI NEKI |
分类号 |
C08F216/06;C08F8/12;C08F16/02;C08L29/04 |
主分类号 |
C08F216/06 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|