Hyperpure propylene polymer

Details Hyperpure propylene polymer Hyperpure propylene polymer

1991-03-26

1996-09-17

Achutamurthy, Ponnathapura

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

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

585520, 585521, 585523, 585524, C07C 208, C07C 222

Patent

active

055570259

ABSTRACT:
A process for preparing hyperpure propylene (co)polymers comprising polymerizing the monomer(s) in liquid monomer in the presence of a catalyst obtained by reacting an Al-trialkyl compound with a solid catalyst component comprising magnesium dihalide in active form, having supported thereon a titanium chloride or chloroalcoholate, and an ether having the general formula: ##STR1## where R and R" are the same or different and are C.sub.2-18 alkyl, C.sub.3-18 cycloalkyl, C.sub.6-18 aryl, C.sub.7-18 arylalkyl or alkylaryl radicals.

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patent: 2810774 (1957-10-01), Sersiuk
patent: 3631002 (1971-12-01), Brownstein
patent: 4548915 (1985-10-01), Goodall et al.
patent: 4971937 (1990-12-01), Albizzati et al.

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