Polypropylene laminate sheet

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United States of America Patent

PATENT NO 11760057
APP PUB NO 20210252826A1
SERIAL NO

17271316

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The present disclosure provides a fabric laminate. In an embodiment, the fabric laminate includes a fabric sheet, a coating layer, and a tie layer. The fabric sheet is composed of propylene-based polymer fibers. The coating layer is composed of one or more ethylene-based polymers. The tie layer is located between the fabric sheet and the coating layer. The tie layer is composed of at least 50 wt % of a crystalline block composite (CBC) and an optional blend component. The CBC includes (i) an isotactic crystalline propylene homopolymer (iPP); (ii) an ethylene/propylene copolymer; and (iii) a diblock with the formula (EP)-(iPP). The CBC has a block composite index (CBCI) from 0.1 to 1.0. The fabric laminate has a peel force from 20 N/15 mm to 40 N/15 mm.

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Patent Owner(s)

  • DOW GLOBAL TECHNOLOGIES LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hu, Yushan Lake Jackson, US 49 120
Ming, Ming Shanghai, CH 11 21
Ultsch, Stefan Horgen, CH 16 101
Van, Dun Jozef JI Horgen, CH 16 41

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