发明名称 |
VERFAHREN ZUR HERSTELLUNG VON HITZEBESTÄNDIGEM UND TRANSPARENTEM ACRYLHARZ |
摘要 |
PCT No. PCT/KR90/00023 Sec. 371 Date Jun. 8, 1992 Sec. 102(e) Date Jun. 8, 1992 PCT Filed Dec. 28, 1990 PCT Pub. No. WO91/09886 PCT Pub. Date Jul. 11, 1991.The present invention relates to a process for the preparation of heat resistant and transparent acrylic resin which is characterized by imidizing methacrylic resin in a solution with primary amine or the ammonia compounds generating primary amine in the presence or absence of catalyst and under a suitable temperature condition. The reaction product is the compound of formula (I) comprising more than 10% by weight of imidized structure unit. Formula (I) wherein R1, R2 and R3 independently represent a hydrogen atom, or unsubstituted and substituted C1 to C20 alkyl, cycloalkyl, aryl, aralkyl, alkaryl, or mixtures thereof. |
申请公布号 |
DE69028521(T2) |
申请公布日期 |
1997.01.30 |
申请号 |
DE1990628521T |
申请日期 |
1990.12.28 |
申请人 |
LUCKY, LTD., SEOUL, KR |
发明人 |
KIM, JIN, BAEK 6-304, LUCKY APT., YOUSEONG-GU DAEJEON-SI 202-343, KR;HUR, YOUNG, SAM 3-201, SINSEONG APT., SEO-GU DAEJEON-SI 202-343, KR |
分类号 |
C08F8/32;C08F8/48;C08L33/00;C08L33/24;(IPC1-7):C08F8/32 |
主分类号 |
C08F8/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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