| 发明名称 |
PROCESS FOR STABILISING COPOLYMERS OF MALEIC ANHYDRIDE AND VINYL ETHERS |
| 摘要 |
A process for stabilizing a copolymer of maleic acid or maleic anhydride and vinyl alkyl ethers against a reduction in molecular weight in aqueous solution or in the solution of an organic solvent by adding 0.001 to 10 % by weight, based on the copolymer, of a reducing agent, a tert-butyl-containing phenol or a mixture thereof.
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| 申请公布号 |
CA2134330(A1) |
申请公布日期 |
1993.10.30 |
| 申请号 |
CA19932134330 |
申请日期 |
1993.04.20 |
| 申请人 |
BASF AG |
发明人 |
MEYER HARALD;SANNER AXEL;FROSCH FRANZ;RICHTER HANS |
| 分类号 |
C08K5/41;C08F16/12;C08F216/14;C08K3/30;C08K3/32;C08K5/1535;C08L29/10;C08L33/02;C08L35/00;C08L35/08;(IPC1-7):C08L35/08;C08K3/00;C08K5/00 |
主分类号 |
C08K5/41 |
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