| 发明名称 |
MODIFIED PETROLEUM RESINS AND THEIR PREPARATION |
| 摘要 |
<p>Carboxyl modified petroleum resins suitable as resins in inks for off-set printing are obtained by heating cyclopentadiene or a comparable monomer with 1 to 15 wt. % of a carboxylic acid which is not alpha - beta , unsaturated at from 270 DEG C. to 290 DEG under sufficient pressure to keep the mixture liquid.</p> |
| 申请公布号 |
EP0021642(B1) |
申请公布日期 |
1983.02.16 |
| 申请号 |
EP19800301849 |
申请日期 |
1980.06.03 |
| 申请人 |
EXXON RESEARCH AND ENGINEERING COMPANY |
发明人 |
MALATESTA, ALBERTO |
| 分类号 |
C08F32/00;C08F232/06;C08F240/00;C09D11/00;C09D11/10;(IPC1-7):08F240/00;09D11/10 |
主分类号 |
C08F32/00 |
| 代理机构 |
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代理人 |
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