Soft heterogeneous isotactic polypropylene compositions
AssigneeExxonMobil Chemical Patents Inc.
InventorsSudhin Datta, Charles L. Sims, Peijun Jiang, Abdelhadi Sahnoune, Derek W. Thurman
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AssigneeExxonMobil Chemical Patents Inc.
InventorsSudhin Datta, Charles L. Sims, Peijun Jiang, Abdelhadi Sahnoune, Derek W. Thurman
Estimating the term…
The present invention also discloses a heterogeneous blend composition comprising; a) from 1% to 99% by weight of the blend of a first polymer component comprising a copolymer of 5% to 35% by weight of the first polymer component consisting predominantly of alpha olefin derived units and 65% to 95% by weight of the first polymer component of propylene derived units having a crystallinity of 0.1% to about 25% from isotactic polypropylene sequences, a melting point of from 45° C. to 105° C., and wherein the Melt Flow Rate (MFR@230° C.) of the first polymer component is between 300 g/10 min to 5000 g/10 min b) from 1% to 99% by weight of the blend of a second polymer component comprising isotactic polypropylene and random copolymers of isotactic propylene, wherein the percentage of the copolymerized alpha-olefin in the copolymer is between 0.0% and 9% by weight of the second polymer component and wherein the second polymer component has a melting point greater than about 110° C., wherein the first polymer component has less than 1000 ppm of reaction products arising from the chemical reaction of a molecular degradation agent.
A heterogeneous blend composition comprising;
Dependencies are inferred from the claim text.