Catalytic solid usable for the stereospecific polymerisation of

Details Catalytic solid usable for the stereospecific polymerisation of Catalytic solid usable for the stereospecific polymerisation of

1993-02-18

1998-03-31

Nagumo, Mark

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525247, 525268, 525323, 525142, 525151, 525152, 525153, 525163, 525901, 525902, 525907, 502107, 502110, C08F 4645

Patent

active

057339791

ABSTRACT:
Catalytic solids based on titanium trichloride complex, usable for the stereospecific polymerisation of alpha-olefins, obtained by heat treatment, in the presence of a halogenated activating agent, of the liquid material resulting from bringing TiCl.sub.4, pretreated with an electron-donor compound, into contact with a composition (C) corresponding to the general formula

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