发明授权
US4704470A Polymerizable antioxidants from isocyanatoalkyl esters of unsaturated
carboxylic acids
失效
由不饱和羧酸的异氰酸烷基酯组成的可聚合的抗氧化剂
- 专利标题: Polymerizable antioxidants from isocyanatoalkyl esters of unsaturated carboxylic acids
- 专利标题(中): 由不饱和羧酸的异氰酸烷基酯组成的可聚合的抗氧化剂
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申请号: US608631申请日: 1984-05-09
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公开(公告)号: US4704470A公开(公告)日: 1987-11-03
- 发明人: Mark R. Johnson
- 申请人: Mark R. Johnson
- 申请人地址: MI Midland
- 专利权人: The Dow Chemical Company
- 当前专利权人: The Dow Chemical Company
- 当前专利权人地址: MI Midland
- 主分类号: C08F20/36
- IPC分类号: C08F20/36 ; C08F257/02 ; C07C125/04 ; C07C125/06
摘要:
An addition polymerizable antioxidant is prepared by reacting an isocyanatoalkyl ester of an addition polymerizable carboxylic acid (2-isocyanatoethyl methacrylate) with an antioxidant functionality bearing an active hydrogen moiety which is reactive with the isocyanate.
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