Process to produce ethylene conjugated diene copolymers and copolymers therefrom

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United States of America Patent

PATENT NO 9879104
SERIAL NO

15083479

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Abstract

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This invention relates to a process to using an aminopyridinate scandium or yttrium metal (typically scandium) catalyst compound to produce ethylene conjugated diene copolymers, preferably ethylene isoprene copolymers having: 1) from 75 to 90 mol % ethylene; 2) from 10 to 25 mol % isoprene; 3) a Tg of 0° C. or less; 4) 1,4 isomer present at 60 wt % or less; 5) 3,4 and 1,2 present at 40% or more; 6) Mn of 250,000 g/mol or less; and 7) optionally, a Tm of 100° C. or less.

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Patent Owner(s)

  • EXXONMOBIL CHEMICAL PATENTS INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dias, Anthony J Houston, US 49 603
Hagadorn, John R Houston, US 120 907
Lopez-Barron, Carlos R Houston, US 20 26
Mattler, Sarah J League City, US 20 81
Michels, Anna A Houston, US 1 1
Walzer,, Jr John F Seabrook, US 10 181

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