Cyclopymerization polymers from non-conjugated dienes

Details Cyclopymerization polymers from non-conjugated dienes Cyclopymerization polymers from non-conjugated dienes

1995-04-04

1996-11-26

Achutamurthy, Ponnathapura

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By addition of entire unsaturated molecules, e.g.,...

526104, 526106, 526336, 585 10, 585 17, 585520, C07C 210, C08F 3620

Patent

active

055787436

ABSTRACT:
Novel homopolymer and copolymer compositions produced from the polymerization of non-conjugated dienes have been discovered. The novel compositions are produced by an equally novel process comprising cyclopolymerization of non-conjugated dienes employing reduced valence state Group VIB metal oxide catalyst on porous support. The preferred catalyst comprises carbon monoxide reduced chromium on silica. Copolymers are formed by copolymerization of non-conjugated dienes with 1-alkenes in contact with the activated chromium on silica catalyst. The compositions are useful as lubricants and additives.

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patent: 4827073 (1989-05-01), Wu
patent: 4969522 (1990-11-01), Whitehurst
patent: 5208304 (1993-05-01), Waymouth

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