发明名称 |
Oligomeric aromatic polyphosphites |
摘要 |
Aromatic, phenol-free polyphosphites containing at least two pentaerythritol residues and three bis-phenolic residues. They are effective polymer additives and are especially useful in enhancing the thermal stability of polypropylene.
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申请公布号 |
US4413077(A) |
申请公布日期 |
1983.11.01 |
申请号 |
US19810275575 |
申请日期 |
1981.06.22 |
申请人 |
BORG-WARNER CHEMICALS, INC. |
发明人 |
VALDISERRI, LEO L.;HECHENBLEIKNER, INGENUIN |
分类号 |
C07F9/6574;C08K5/527;(IPC1-7):C07F9/15;C08K5/52 |
主分类号 |
C07F9/6574 |
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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