| 摘要 |
A foam suitable for use in roofing systems is provided. Roofing membranes comprising the foam have superior flowing properties at high temperatures without sacrificing low temperature performance. A particular useful roofing membrane comprises an upper surface layer, a reinforcement layer, and optionally a lower self-adhesive layer, wherein expanded microspheres are provided in one or more of said layers in an amount of between 0.01 and 10% based on the total weight of the roofing membrane. Moreover a method of making roofing membranes is provided. |
