Heterophasic propylene polymerization material

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United States of America Patent

PATENT NO 10800911
APP PUB NO 20190161605A1
SERIAL NO

16320761

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Abstract

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A heterophasic propylene polymerization material containing a propylene homopolymer component or a specific propylene copolymer component, and a specific ethylene-α-olefin copolymer component, in which (i) the amount of the xylene-soluble component is 40% by weight or more, (ii) the limiting viscosity [η]C X I S of the xylene-insoluble component is 1.50 dL/g or more, (iii) the ratio of the limiting viscosity [η]C X S of the xylene-soluble component to the limiting viscosity [η]C X I S of the xylene-insoluble component is 1.5 or less, and (iv) the content of monomer units derived from ethylene and α-olefins having 4 to 12 carbon atoms in the xylene-insoluble component is 6% by weight or more.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO CHEMICAL COMPANY LIMITED2-7-1 NIHONBASHI CHUO-KU TOKYO 1036020 ?1036020

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yamada, Hidekazu Ichihara, JP 12 14

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