发明授权
US3943252A Polyurethane casein coating composition 失效
聚氨酯酪蛋白涂料组合物

Polyurethane casein coating composition
摘要:
Compositions suitable for coating leather or textile materials are provided which compositions are the reaction product of (a) solubilized casein (b) water-dispersible polyurethane and (c) formaldehyde.
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