Patent ID: 6583202
Filing Date: 2003-06-24
Classification: C08L,D06N,E04D,Y10T

Abstract:
A roofing or siding membrane comprising a non-woven mat on which is coated a composition containing, by weight:(a) between about 35 and about 85% asphalt; (b) between about 1 and about 15% isotactic C2 to C3 olefin polymer; (c) between about 5 and about 50% amorphous C2 to C3 olefin polymer; (d) between about 0.08 and about 15% of a functionalized &agr;-olefin homo-, co- or ter-polymer selected from the group consisting of a C2 to C3 olefin homopolymer, a co- or ter-polymer of a C2 to C3 olefin monomer and a C4 to C10 olefin comonomer and a mixture of said functionalized &agr;-olefins; (e) 1-10% of a non-functionalized ethylene and/or propylene polymer with a C4 to C12 &agr;-olefin comonomer and (f) 0 to about 50% of a filler.