| 摘要 |
<p>1,272,763. Laminates. DUNLOP HOLDINGS Ltd. 8 May, 1969 [10 May, 1968], No. 22188/68. Heading B5N. [Also in Division C3] Moisture-curable adhesive compositions comprising the reaction product of polychloroprene and a polyisocyanate only, and optionally other elastomers, e.g. butadiene-styrene, in a solvent therefor, the amount of polyisocyanate being from 10-30 parts by weight/100 parts of polychloroprene, and sufficient to provide free isocyanate groups in the reaction product, are employed to prepare laminates of the following substrate pairs: canvas/canvas; canvas/metal; canvas/neoprene.</p> |
