Solution polymerization process

Details Solution polymerization process Solution polymerization process

1979-09-17

1981-06-02

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

526335, 526903, 528501, C08K 501

Patent

active

042710600

ABSTRACT:
A solution polymerization process in which polymerizable diolefin monomer, is contacted under polymerization conditions in the presence of a volatile and inert earth hydrocarbon diluent having 3 to 5 carbon atoms per molecule and a hydrocarbon solvent having 6 to 10 carbon atoms per molecule to yield a product mixture easily concentrated by flash evaporation. In preferred embodiments the diluent is present in an amount such that the monomer concentration is about 30 to about 45 weight percent in the total of monomer and diluent entering the reaction and the solvent is present in an amount such that the weight ratio of the total of solvent and diluent to monomer entering the reaction is in the range of about 4:1 to 12:1.

REFERENCES:
patent: 3163630 (1964-12-01), Pampus et al.
patent: 3225021 (1965-12-01), Erchak
patent: 3462347 (1969-08-01), Chapman et al.
patent: 3470070 (1969-09-01), Heckart
patent: 3658776 (1972-04-01), Naylor
patent: 3725377 (1973-04-01), Cottle
patent: 3932371 (1976-01-01), Powers

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