process for the preparation of polylactonen.
申请(专利)号: NL19740009558
专利号: NL159679B 主分类号: C08F20/04
申请权利人: SOLVAY & CIE.,
BRUSSEL. 公开国代码: NL 优先权国家: LU 摘 要:
Process for the manufacture of
polylactones derived from poly- alpha -hydroxyacrylic acids comprises heating a liquid aqueous solution of alpha , beta -dichloropropionic acid to a temperature above 100 DEG C to convert the alpha , beta -dichloropropionic acid to the
corresponding alpha -chloroacrylic acid and polymerizing the alpha -chloroacrylic acid in the aqueous solution in the
presence of a polymerization catalyst to polymerize, hydrolyze and lactonize the alpha -chloroacrylic acid. 主权项:
申请日: 1974-07-15 公开公告日: 1979-03-15
分类号: C08F20/04;
C08F8/16; C07C57/06 发明设计人: 申请国代码: NL
优先权: 19730720 LU 68060
摘 要 附 图:
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说 明 书
【process for the preparation of polylactonen.】的说明书内容是......请下载后查看