Polypropylene for the production of thermoformed articles, large, deep, complex and/or thick articles, process for thermoforming modified polypropylene into large, deep, complex and/or thick articles and use of the polypropylene

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United States of America Patent

PATENT NO 9663648
APP PUB NO 20140308502A1
SERIAL NO

14351027

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Abstract

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The present invention is directed to a modified polypropylene comprising from 0.3 to 2 long-chain branches per 1,000 carbon atoms, wherein said long-chain branch has more than 1,000 carbon atoms and 0 to 6% of ethene and/or alpha-olefinic comonomer having 3 to 18 carbon atoms. The polypropylene of the present invention is a homopolymer, a random copolymer, or a heterophasic copolymer. The present invention also relates to large, deep, complex and/or thick articles which are thermoformed from said polypropylene. Furthermore, the present invention relates to the process for thermoforming said modified polypropylene into large, deep, complex and/or thick articles. The present invention also relates to the use of the polypropylene to prepare large, deep, complex and/or thick articles.

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Patent Owner(s)

Patent OwnerAddress
BRASKEM S ARUA ETENO 1561 COMPLEXO PETROQUÍMICO DE CAMAÇARI CAMAÇARI 42810-000

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cruz, Fernando Sao Carlos SP, BR 2 8
da, Luz Alexandre di Pintor Canoas RS, BR 3 4
de, Azeredo Ana Paula Sapucaia do Sul RS, BR 9 4
Farah, Marcelo Porto Alegre RS, BR 18 17
Lima, Alessandro Cauduro Porto AlegreRS, BR 1 3
Neves, Claudio Jose Autran Porto Alegre RS, BR 1 3
Rocha, Etienne Marcos de Almeida Porto Alegre RS, BR 3 25
Sofri, Fabio Lamon Porto Alegre RS, BR 1 3

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