发明名称 |
Polyphenylene oxides with high molecular weight and a process for their preparation and their use |
摘要 |
This invention relates to polyphenylene oxides with high molecular weight (PPO) and to a process for their preparation by the reaction of polybasic aromatic carboxylic acids or their derivatives with polyphenylene oxides, and their use for the modification of plastics.
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申请公布号 |
US4839436(A) |
申请公布日期 |
1989.06.13 |
申请号 |
US19880145822 |
申请日期 |
1988.01.19 |
申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
HEITZ, WALTER;SCHNEIDER, KARL-HEINRICH |
分类号 |
C08G65/38;C08G65/48 |
主分类号 |
C08G65/38 |
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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