Compositions Comprising a Propylene-Based Elastomer and a Polyalphaolefin, Methods of Making the Same, and Articles Made Therefrom
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United States of America Patent
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Issued Date -
Oct 24, 2013
app pub date -
Apr 18, 2012
filing date -
Apr 18, 2012
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Abandoned
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Abstract
The present disclosure is directed to compositions comprising: (a) a propylene-based elastomer, comprising at least about 60 wt % propylene-derived units and about 5 to about 25 wt % ethylene-derived units, based on total weight of the propylene-based elastomer, wherein the propylene-based elastomer has a heat of fusion of less than about 80 J/g; and (b) a polyalphaolefin. Such compositions have at least one of the following properties: (a) a hardness of about 25 to about 67 shore A (ASTM D2240); (b) a glass transition temperature of about −35° C. to about −65° C. (ASTM D3418-08, 10° C./min); and (c) an impact resistance at a temperature no lower than about −40° C. (ASTM D3763).
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