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ELASTIC BLENDS OF SEMICRYSTALLINE PROPYLENE POLYMERS AND HIGH GLASS TRANSITION TEMPERATURE MATERIALS
ELASTIC BLENDS OF SEMICRYSTALLINE PROPYLENE POLYMERS AND HIGH GLASS TRANSITION TEMPERATURE MATERIALS
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机译:半结晶聚丙烯聚合物和高玻璃化转变温度材料的弹性共混物
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摘要
Compositions are provided having from 70 wt% to 95 wt% of a polymer selected from homopolymers and random copolymers of propylene and from 5 wt% to 30 wt% of a miscible hydrocarbon resin with a glass transition temperature greater than 20°C. The polymer has a heat of fusion of less than 50 J/g, a melt index (MI) of less than 20 dg/min, and contains stereoregular propylene crystallinity. Also provided are films containing such compositions, and articles, such as diapers or incontinence garments, including such films.
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