发明名称 |
Alpha, alpha-bis-(2-hydroxyphenyl)-diisopropyl benzenes |
摘要 |
The invention relates to a process for stabilising polyurethanes, particularly polyurethane elastomer threads and films, against degradation and discoloration under the action of light or UV radiation, oxygen, atmospheric constituents (e.g. nitrogen oxides) and heat by the addition of bisphenols.
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申请公布号 |
US3875246(A) |
申请公布日期 |
1975.04.01 |
申请号 |
US19730369507 |
申请日期 |
1973.06.13 |
申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
OERTEL, HARALD;ROOS, ERNST;LEY, KURT |
分类号 |
C07C39/17;C08K5/13;(IPC1-7):C07C39/12 |
主分类号 |
C07C39/17 |
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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