Process for producing block copolymers

Details Process for producing block copolymers Process for producing block copolymers

1976-12-06

1977-11-08

Holler, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C08F29500

Patent

active

040576000

ABSTRACT:
Block copolymers are produced by (i) polymerizing ethylene or propylene, or copolymerizing the same with another .alpha.-olefin of 2 to 7 carbon atoms in the presence of a Ziegler-type catalyst, and (ii) copolymerizing the resulting polymer or copolymer with a radical-polymerizable vinyl compound (e.g., methyl methacrylate) in the presence of an organic sulfoxide.

REFERENCES:
patent: 3458598 (1969-07-01), Craven
patent: 3644580 (1972-02-01), Craven
patent: 3652724 (1972-03-01), Shimomura et al.
patent: 3692712 (1972-09-01), Crouch et al.
patent: 3699190 (1972-10-01), Shimomura
patent: 3769368 (1973-10-01), Peyrot
patent: 3851015 (1974-11-01), Agouri et al.
patent: 3887650 (1975-06-01), Agouri et al.
patent: 3932369 (1976-01-01), Sartori et al.
patent: 3949016 (1976-04-01), Agouri et al.
patent: 3949018 (1976-04-01), Agouri et al.

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