Patent ID: 8530581

Claim:
A powder comprising at least one of: (a) a propylene-based elastomer comprising, based on the total weight of said propylene-based elastomer, (i) at least about 60 wt % of propylene-derived units, (ii) about 5 wt % to about 35 wt % of units derived from at least one of ethylene and a C 4 -C 10 alpha-olefin, wherein said propylene-based elastomer has a heat of fusion, as determined by DSC, of about 75 J/g or less; and (b) a polyolefin-based elastomer having a Shore A hardness, as determined by ISO 868, of from about 10 to about 95; wherein said powder has an average particle size of from about 30 μm to about 850 μm.