Accelerated organoborane initiated polymerizable compositions

Details Accelerated organoborane initiated polymerizable compositions Accelerated organoborane initiated polymerizable compositions

C - Chemistry, Metallurgy

08

F

C08F 4/52 (2006.01) C09J 4/00 (2006.01)

Patent

CA 2665776

The invention is a two part polymerizable composition comprising in one part i) an organoboron compound capable of forming free radical generating species; and in the second part ii) one or more compounds capable of free radical polymerization; iii) one or more cure accelerators comprising a) at least one compound containing a quinone structure or b) at least one compound containing at least one aromatic ring and one or more substituents on the aromatic ring selected from hydroxyl, ether and both and a compound with a peroxide moiety; and iv) one or more vinyl functional modifiers having a glass transition temperature of -50°C or less.

L'invention concerne une composition polymérisable en deux parties comprenant dans une partie i) un composé organobore permettant de former des espèces produisant des radicaux libres; et dans la seconde partie ii) un ou plusieurs composés permettant la polymérisation radicalaire; iii) un ou plusieurs accélérateurs de durcissement comprenant a) au moins un composé contenant une structure quinone ou b) au moins un composé contenant au moins un noyau aromatique et un ou plusieurs substituants situés sur ce noyau sélectionnés parmi l'hydroxyle, l'éther ou les deux, et un composé possédant une fraction de peroxyde; et iv) un ou plusieurs modificateurs fonctionnels vinyliques à température de transition vitreuse de -50°C ou moins.

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