C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/1134, 154/11
C08L 95/00 (2006.01) B32B 11/10 (2006.01) C08L 21/00 (2006.01) C08L 23/02 (2006.01)
Patent
CA 1181542
Abstract This invention relates to a novel bitumen mixture and a high performance prefabricated waterproofing membrane useful for roofing which is obtained by impregnating different layers of reinforcing material with the bitumen mixture. More particularly, the invention relates to a novel bitumen mixture and a waterproofing membrane containing a polyester mat, a mat of fiberglass and a fiberglass net, each re- inforcing layer impregnated with bitumen mixed with a thermoplastic polymer, the bitumen polymer mixture having a minimum ring and ball softening point of about 105°C and preferably 135°C and preferably con- taining bitumen, amorphous ethylene/propylene co- polymer, atactic polypropylene and isotactic poly- propylene.
375817
Corporation Owens-Corning Fiberglas
G. Ronald Bell & Associates
LandOfFree
Bitumen, atactic polypropylene and propylene/ethylene... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Bitumen, atactic polypropylene and propylene/ethylene..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Bitumen, atactic polypropylene and propylene/ethylene... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1216992