| 摘要 |
<p>The invention relates to a colourless binder composition and its use in waterproof roofing material, and to coloured roofing materials. Provided is a composition comprising a polyolefin-based polymer system comprising atactic and isotactic polyolefins; and an oil, optionally supplemented with a resin. Said polyolefin-based polymer system comprises for example atactic polypropylene (APP), isotactic polypropylene (IPP), thermoplastic olefin (TPO), Amorphous Poly-alpha-olefin (APAO), or a combination thereof. Also provided is a coloured waterproofing material, such as a roofing felt, a roofing membrane or a side membrane, comprising a composition according to the invention. The material may further comprise reinforcing means.</p> |
