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US5631330A Process for preparing phenol-functional polymer 失效
制备酚官能聚合物的方法

Process for preparing phenol-functional polymer
摘要:
Non liquid-crystalline esterphenol-capped liquid polymer and polyol compositions in combination with an amino crosslinking agent endow coating compositions containing them with the ability of providing films having superior properties. The esterphenol-capped polymers and polyols can be prepared by direct esterification of hydroxybenzoic acid without its decarboxylation.
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