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

Polymerizable antioxidants from isocyanatoalkyl esters of unsaturated
carboxylic acids
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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