发明名称 |
Spandex containing a mixture of phenolic |
摘要 |
The invention provides polyurethane containing a) a first additive comprising at least one mono-hindered hydroxyphenyl group and having a molecular weight of at least about 300 Daltons; b) a second additive selected from the group consisting of i) condensation polymers of p-cresol and divinyl benzene and ii) compounds comprising at least one unsymmetrically di-hindered hydroxyphenyl group and having a molecular weight of at least about 300 Daltons; and c) an inorganic chlorine-resist additive. The polyurethane of the invention exhibits improved resistance to degradation by chlorine and by atmospheric fumes. |
申请公布号 |
US2003073772(A1) |
申请公布日期 |
2003.04.17 |
申请号 |
US20020162360 |
申请日期 |
2002.06.03 |
申请人 |
HOUSER NATHAN E.;SELLING GORDON W. |
发明人 |
HOUSER NATHAN E.;SELLING GORDON W. |
分类号 |
C08L75/04;C08G18/10;C08G18/38;C08K3/00;C08K5/00;C08K5/13;C08K5/3492;C08L75/02;D01F6/94;(IPC1-7):C08K3/34 |
主分类号 |
C08L75/04 |
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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