Multimodal copolymer of ethylene and at least two alpha-olefin comonomers and final articles made thereof
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United States of America Patent
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Feb 7, 2023
Grant Date -
Mar 22, 2018
app pub date -
May 30, 2016
filing date -
Jun 10, 2015
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Abstract
The present invention is directed to a multimodal polyethylene copolymer comprising a first and a second copolymer of ethylene and at least two alpha-olefin comonomers. Such multimodal copolymers are highly suitable for conversion processes that require a high Draw Down Ratio, like the production of thin films. Such multimodal polyethylene copolymers provide a good impact strength in the sense of a high Dart drop impact strength (DDI) and good isotropy of the films produces thereof. The invention further presents final articles such as films made therefrom.
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