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1. (WO2018107066) ROOFING MEMBRANES, COMPOSITIONS, AND METHODS OF MAKING THE SAME

Pub. No.:    WO/2018/107066    International Application No.:    PCT/US2017/065376
Publication Date: Fri Jun 15 01:59:59 CEST 2018 International Filing Date: Sat Dec 09 00:59:59 CET 2017
IPC: B32B 27/08
B32B 27/26
B32B 27/32
C08K 3/22
C08K 5/00
C09K 21/14
C08L 23/08
C08L 23/20
C08L 43/04
B32B 27/12
D06N 5/00
E04D 5/00
Applicants: COOPER-STANDARD AUTOMOTIVE INC.
Inventors: GOPALAN, Krishnamachari
LENHART, Robert J.
JI, Gending
HERD-SMITH, Roland
Title: ROOFING MEMBRANES, COMPOSITIONS, AND METHODS OF MAKING THE SAME
Abstract:
A roofing membrane and a method of making the same is provided. The roofing membrane includes a top layer having a flame retardant and a first silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm3; a scrim layer; and a bottom layer having a flame retardant and a second silane-crosslinked polyolefin elastomer with a density less than 0.90 g/cm3. The top and bottom layers of the roofing membrane both exhibit a compression set of from about 5.0 % to about 35.0 %, as measured according to ASTM D 395 (22 hrs @ 70° C).