| 摘要 |
<p>1518687 Polyurethane coated leathers BASF AG 5 Sept 1975 [6 Sept 1974 (2)] 36608/75 Heading B2E [Also in Division C3] A finishing agent for leather and/or imitation leather is based on a thermoplastic, elastic polyurethane. The finish may be applied as a solution in organic solvents by spraying, printing, doctor - blade coating, transfer-finishing or dip-coating. Optional additives include conventional finishing agents, e.g. nitro-cellulose, pigments, dyes, agents which modify the feel, matting agents, light stabilizers and hydrophobic agents..</p> |
