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US5306319A Surface treating articles and methods of making same 失效
表面处理制品及其制造方法

Surface treating articles and methods of making same
摘要:
Surface treating articles having varying degree of smear-resistance and their methods of manufacture are presented. One preferred article is characterized by an organic matrix substantially engulfed by a novel, tough, adherent elastomeric resinous binder system comprising the reaction product of either(1) a polyurethane prepolymer, or(2) a polyurethane polymer emulsion with an epoxy-functional material and an amine-functional material in an aqueous system.
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