| 摘要 |
<p>A process for continuous production of multilayered composite articles which comprise (A) at least one backing material, (B) at least one bonding layer, and (C) at least one polyurethane layer which includes capillaries which pass through the entire thickness of the polyurethane layer, comprises using a mold to produce polyurethane layer (C) and fixing said polyurethane layer (C) on said backing material (A) with the aid of a material which converts to said bonding layer (B), the mold having a temperature in the range from 80 to 170° C. and a heat capacity in the range from 100 to 20 000 J/K.m2.</p> |
