| 摘要 |
<p>Described herein is a differentiated sandwich laminate (comprising an outer layer (1), an intermediate layer (5) or "centre", and an inner layer (6)), in which the resin used for making the outer layer (1) is different from, and incompatible with, the resin used for making the inner layer (6). <??>The inner layer (6) and outer layer (1) of sandwich laminate of the adjacent layers of two different sandwich laminates, made according to the invention, are made to adhere in a watertight manner to each other using mechanical-assembly means. <IMAGE></p> |
