Bulk polymerisation process

Details Bulk polymerisation process Bulk polymerisation process

C - Chemistry, Metallurgy

08

J

204/91.43

C08J 3/28 (2006.01) C08F 2/50 (2006.01)

Patent

CA 1072046

BULK POLYMERISATION PROCESS A b s t r a c t Ethylenically unsaturated monomers are polymerized in bulk in the presence of from 0 to 10 % by weight of a photoinitiator by irradiation of UV light a) in a first reaction stage at or below the boiling point of the reaction mixture, up to a conversion of 40 - 80 % by weight, and b) in a second reaction stage, at a temperature which has been raised by from 20 to 120°C and is above the glass transition temperature of the resulting polymer, up to a conversion of above 90 % by weight, the percentages in each case relating to the total amount of monomer.

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