| 发明名称 |
RESIN HAVING EXCELLENT HEAT RESISTANCE AND EXHIBITING ANISOTROPY IN MOLTEN STATE |
| 摘要 |
A polyester copolymer comprise 20 to 80 percent by mole of hydroxy-benzoic acid units, 1 to 40 percent by mole of naphthalene units and 1 to 40 percent by mole of dihydroxy-diphenylketone units. It is improved in the heat resistance and is specified by exhibiting the anisotropy in the molten state. |
| 申请公布号 |
CA1308849(C) |
申请公布日期 |
1992.10.13 |
| 申请号 |
CA19880579208 |
申请日期 |
1988.10.04 |
| 申请人 |
POLYPLASTICS CO., LTD. |
发明人 |
KAGEYAMA, YUKIHIKO;HAYASHI, NORIYUKI;HIJIKATA, KENJI |
| 分类号 |
C08G63/60;C08G69/44;C09K19/38 |
主分类号 |
C08G63/60 |
| 代理机构 |
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代理人 |
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