Elastic film compositions with improved tear resistance
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United States of America Patent
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Mar 4, 2014
Grant Date -
Apr 25, 2013
app pub date -
Dec 7, 2012
filing date -
Oct 23, 2007
priority date (Note) -
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Abstract
A film composition comprising one or more propylene-based polymers and one or more hydrocarbon resins, and methods for making the same are provided. The propylene-based polymer may have (i) 60 wt % or more units derived from propylene, (ii) isotactically arranged propylene derived sequences, and (iii) a heat of fusion less than 65 J/g. The hydrocarbon resin may have a glass transition temperature greater than 20° C.
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