发明授权
US4066818A Leather dressing composition of an aqueous emulsion of solvent solutions of substituted celluloses and polyurethanes 失效
取代纤维素和聚氨酯溶剂溶液的水性乳液的皮革敷料组合物

Leather dressing composition of an aqueous emulsion of solvent solutions
of substituted celluloses and polyurethanes
摘要:
A composition for dressing leather and leather substitutes comprising an aqueous emulsion of (A) an organic solvent solution of nitrocellulose or cellulose acetate butyrate and (B) an organic solvent solution of a linear polyurethane resin, in a ratio of A : B of 1 : 0.1 to 1 : 10.
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