Process for producing block copolymers

Details Process for producing block copolymers Process for producing block copolymers

1976-09-20

1977-06-07

Holler, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C08F29500, C08F29708

Patent

active

040284352

ABSTRACT:
Block copolymers of (i) a polymer of ethylene or propylene, or copolymer of ethylene or propylene with another .alpha.-olefin and (ii) a polymer of an acrylic ester or a methacrylic ester are formed by polymerizing (i) in the presence of a titanium halide and an organic aluminum compound, and then adding in order (a), (b) and (c) to copolymerize a product so obtained with (a) an acrylic ester or a methacrylic ester, in the presence of (b) an organic phosphorus compound or tertiary amine and (c) a benzyl halide, a ring-alkylated benzyl halide, a benzyl halide in which a methylene hydrogen is replaced with an alkyl or aryl group, or an alkyl halide.

REFERENCES:
patent: 3458598 (1969-07-01), Craven
patent: 3652724 (1972-03-01), Shimomura et al.
patent: 3692712 (1972-09-01), Crouch et al.
patent: 3699190 (1972-10-01), Shimomura
patent: 3734978 (1973-05-01), Schwab
patent: 3739042 (1973-06-01), Chu et al.
patent: 3800007 (1974-03-01), Bafford
patent: 3851015 (1974-11-01), Agouri et al.
patent: 3887650 (1975-06-01), Agouri et al.
patent: 3949016 (1976-04-01), Agouri et al.

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