Proplylene-based copolymer product

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12240968
APP PUB NO 20230340246A1
SERIAL NO

18343193

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Abstract

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Heterophasic polypropylene copolymer compositions and methods of making the same include a matrix phase of a random polypropylene-based copolymer; and an elastomeric rubber phase dispersed in the matrix phase, wherein the elastomeric rubber phase includes propylene and one or more comonomers and has a viscosity index ratio, relative to a viscosity index of the random polypropylene-based copolymer, that ranges from 0.3 to 1.1; and wherein an average particle size of the dispersed elastomeric rubber phase is less than 300 nm. Methods include dispersing an elastomeric rubber phase that includes propylene and one or more comonomers into a matrix phase of a random polypropylene-based copolymer, wherein the elastomeric rubber phase has a viscosity index ratio, relative to a viscosity index of the random polypropylene-based copolymer that ranges from 0.3 to 1.1.

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Patent Owner(s)

  • BRASKEM S.A.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Forest, Tadeu Mezacasa São Paulo, BR 3 1
Lusa, Gustavo Gori São Paulo, BR 2 1

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