Process for preparing vinylidenefluoride polymers

Details Process for preparing vinylidenefluoride polymers Process for preparing vinylidenefluoride polymers

C - Chemistry, Metallurgy

08

F

C08F 14/22 (2006.01) C08F 2/38 (2006.01)

Patent

CA 2136462

Object of the present invention is a process for preparing vinylidenefluoride (VDF) polymers which comprises polymerizing VDF, optionally in association with other fluorinated olefins, in an aqueous medium in the presence of a radical initiator and of 1,1,1-trifluoro-2,2-dichloroethane (HCFC-123) as chain transfer agent. A final product with very good colour characteristics (appearance), substantially devoid of discoloration effects at high temperatures, is so obtained.

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