Catalyst composition for making ultra high molecular weight poly (alpha-olefin) drag reducing agents
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United States of America Patent
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May 28, 2019
Grant Date -
Feb 22, 2018
app pub date -
Oct 12, 2017
filing date -
Nov 19, 2015
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Abstract
A catalyst consisting essentially of at least one tertiary monophenyl amine having a formula R1R2N-aryl, where R1 and R2 are the same or different, and each is a hydrogen, an alkyl, or a cycloalkyl group, where at least one of R1 and R2 contain at least one carbon atom; at least one titanium halide having a formula TiXm, where m is from 2.5 to 4.0 and X is a halogen containing moiety; and at least one cocatalyst having a formula AlRn Y3-n where R is a hydrocarbon radical, Y is a halogen or hydrogen, and n is 1-3. Further, the catalyst is absent of a carrier or support.
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