| 发明名称 |
Copolymers of 4-hydroxystyrene and alkyl substituted-4-hydroxystyrene. |
| 摘要 |
A copolymer of (a) an unsubstituted 4-hydroxystyrene monomer and (b) a substituted 4-hydroxystyrene monomer of the formula <CHEM> wherein A, B, C, and D are independently H or C1 to C3 alkyl and wherein at least one of A, B, C and D is C1 to C3 alkyl; and wherein said copolymer has a molecular weight of from about 800 to about 100,000; and wherein the mol ratio of monomer (a) to monomer (b) ranges from about 3:1 to about 1:3. |
| 申请公布号 |
EP0365340(B1) |
申请公布日期 |
1995.05.03 |
| 申请号 |
EP19890310793 |
申请日期 |
1989.10.20 |
| 申请人 |
HOECHST CELANESE CORPORATION;INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
VICARI, RICHARD;GORDON, DOUGLAS J.;HINSBERG, WILLIAM D., III;MC KEAN, DENNIS R.;WILLSON, CARLTON G. |
| 分类号 |
C08F12/22;C08F8/10;C08F12/00;C08F212/14;C08L25/00;C08L25/16;G03F7/004;G03F7/023;G03F7/027 |
主分类号 |
C08F12/22 |
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