MASTERBATCH COMPOSITION
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United States of America
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Jan 23, 2020
app pub date -
Dec 18, 2017
filing date -
Dec 18, 2017
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Abstract
A masterbatch composition made from or containing:
- 65 to 85 wt % of a propylene homopolymer or copolymer as component (1) containing 0 to 3 wt % of ethylene or one or more C4-C10-α-olefin-derived units; and15 to 35 wt % of a propylene-ethylene copolymer as component (2) containing 25 to 35 wt % of ethylene-derived units,wherein the masterbatch composition has:1) a melt flow rate (230° C., load: 21.18 N) of 5 to 30 g/10 minutes; 2) xylene insolubles with an Mw of 10×104 to 30×104 and an Mw/Mn of 6 to 20 as measured by GPC; and 3) xylene solubles with an intrinsic viscosity of 5.5 to 9.0 dl/g.
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