S,s'-bis-(.alpha., .alpha.' - disubstituted - .alpha." -...

Details S,s'-bis-(.alpha., .alpha.' - disubstituted - .alpha." -... S,s'-bis-(.alpha., .alpha.' - disubstituted - .alpha." -...

C - Chemistry, Metallurgy

07

C

C07C 329/00 (2006.01) C07C 329/16 (2006.01) C07C 329/18 (2006.01) C07C 333/24 (2006.01) C08F 2/38 (2006.01) C08F 20/18 (2006.01) C08G 75/28 (2006.01)

Patent

CA 2399690

A S,S'-bis-(.alpha., .alpha.'-disubstituted- .alpha.."-acetic acid)trithiocarbonates of formula: (see above formula) and derivatives thereof can be used as an initiator, chain transfer agent, or terminator for polymerization of monomers such as free radical polymerizable monomers. Homopolymers, copolymers, and the like as well as block copolymers can be made utilizing the trithiocarbonate compound such as in a living free radical polymerization as well as to form telechelic polymers.

L'invention concerne un acide A S,S'-bis-( alpha , alpha '- disubstitué - alpha " - acétique)-trithiocarbonate et des dérivés de celui-ci pouvant être utilisés comme initiateur, agent de transfert de chaîne, ou agent de terminaison dans la polymérisation de monomères tels que des monomères polymérisables à radical libre. On peut produire des homopolymères, des copolymères, et des analogues ainsi que des copolymères séquencés à l'aide du composé de trithiocarbonate dans la polymérisation vivante à radical libre et former des polymères téléchéliques.

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