| 摘要 |
PURPOSE:To improve resistance to black heel mark, wear and leveling and dryness of a lustering agent, by incorporating a specified urethane resin in a lustering agent compsn. CONSTITUTION:A lustering agent compsn. is obtd. by blending a an aq. dispersion or an emulsion of a urethane resin formed from an 8-38 C aliph. or alicyclic isocyanate and an aliph. polyester having hydroxyl groups and an average MW of 500 to 5,000 or an aliph. polyether having hydroxyl groups and an average MW of 200 to 6,000. Any of natural and synthetic waxes can be used in the compsn. Examples of the plasticizer are ethyl carbitol, butyl phthalate, etc. Examples of the isocyanate are hexamethylene diisocyanate, dicyclohexylmethane diisocyanate, etc.
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