Process for producing cycloolefin random copolymer

Details Process for producing cycloolefin random copolymer Process for producing cycloolefin random copolymer

1989-09-06

1992-07-07

Seccuro, Carman J.

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

Synthetic resins

Treating polymer containing material or treating a solid...

526281, 525197, 525198, 525210, C08F 610, C08F 612

Patent

active

051284464

ABSTRACT:
Disclosed herein is a process for the production of cycloolefin random copolymers comprising flash drying a solution of a cylcoolefin random copolymer in a hydrocarbon, said solution being obtained by copolymerization of ethylene and a specific cycloolefin in said hydrocarbon in the prsence of a catalyst. Further proposed herein is a process for the production of cycloolefin random copolymers by copolymerization of ethylene with a specific cycloolefin of the in a hydrocarbon in the presence of a catalyst wherein said copolymerization is carried out in a polymerization reactor where a gas phase is not substantially present.

REFERENCES:
patent: 3280091 (1966-10-01), Dance
patent: 3494897 (1970-02-01), Reding et al.
patent: 3523929 (1970-08-01), Paige et al.
patent: 4332933 (1982-06-01), Di Drusco et al.
patent: 4424341 (1984-01-01), Hanson et al.
patent: 4439601 (1984-03-01), Mc Curdy et al.
patent: 4874808 (1989-10-01), Minami et al.

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