Process for grafting ethylene onto diene polymers

Details Process for grafting ethylene onto diene polymers Process for grafting ethylene onto diene polymers

1974-10-17

1976-04-27

Holler, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260878B, C08F27902, C08F25702

Patent

active

039535428

ABSTRACT:
Ethylene is grafted onto polymers of conjugated dienes to form copolymers having both thermoplastic and elastomeric properties. This grafting is effected by a catalyst system comprising (1) a titanium or vanadium halide, (2) an aluminum trihydrocarbon and (3) a carbonyl compound such as acetophenone. The resultant graft copolymer has elastomeric properties due to the diene polymer backbone and thermoplastic properties from the grafted polymeric ethylene blocks.

REFERENCES:
patent: 3407185 (1968-10-01), Natta et al.
patent: 3699190 (1972-10-01), Shimomura
patent: 3734978 (1973-05-01), Schwab
patent: 3842146 (1974-10-01), Milkovich et al.

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