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US5438142A Functionalized tris(hydroxyphenyl) compounds 失效
功能化的三(羟基苯基)化合物

Functionalized tris(hydroxyphenyl) compounds
摘要:
Compounds useful as polymer stabilizers which are polymerizable into condensation polymer systems are disclosed and claimed. A particularly preferred embodiment is 1-(3'-(benzotriazol-2"-yl)-4'-hydroxyphenyl)-1,1-bis(4-hydroxyphenyl)ethane.
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