TPO blends containing multimodal elastomers

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6451894
SERIAL NO

09373787

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Molded articles of thermoplastic polyolefin blends having improved resistance to fluids such as petroleum fuels after being painted with flexible coatings such as polyurethane paints and the like are disclosed. These blends include a crystalline or semi-crystalline polyolefin such as polyethylene, polypropylene, or a copolymer of ethylene and a C.sub.3 to C.sub.10 olefin, and a multimodal elastomer of sequentially polymerized ethylene-.alpha.-olefin monomers. The substantially crystalline polyolefin is present in an amount of 30 to 98 weight percent, while the multimodal elastomer, which is substantially amorphous, is present in an amount of about 2 to 70 weight percent. The blends may contain additional polymeric components, fillers and the like. In addition to increased paint adherence, higher weld line strength, low temperature ductility, and processability can be achieved.

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Patent Owner(s)

Patent OwnerAddress
SOLVAY ENGINEERED POLYMERS INC100 SOUTH MITCHELL STREET MANSFIELD TX 76063

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Her, Jhy-Yuan Grand Prairie, TX 3 12
Karjala, Teresa Plumley Lake Jackson, TX 2 11
Laughner, Michael K Lake Jackson, TX 44 742
Srinivasan, Satchit Carrollton, TX 35 289
Szczepaniak, Edward Arlington, TX 7 167

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