Cationically polymerizable compositions capable of being...

C - Chemistry – Metallurgy – 07 – C

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C07C 311/48 (2006.01) B05D 1/04 (2006.01) B32B 7/12 (2006.01) C07C 317/04 (2006.01) C07D 265/30 (2006.01) C07D 285/15 (2006.01) C07D 303/20 (2006.01) C07D 339/06 (2006.01) C07F 5/02 (2006.01) C09D 4/00 (2006.01) C09D 5/46 (2006.01) C09D 7/12 (2006.01) C09J 7/02 (2006.01)

Patent

CA 2250199

Compositions containing conductivity enhancers, which are capable of being coated onto a substrate by means of electrostatic assistance. The compositions comprise one or more cationically polymerizable monomer(s), one or more cationic initiator(s), and one or more non-volatile conductivity enhancer(s) having anionic and cationic portions which are soluble in the monomer(s) and which do not interfere with cationic polymerization wherein the anionic portion is a non-coordinating carbon-containing anion. The compositions may further comprise one or more dissociation enhancing agent(s), oligomer(s) or polymer(s), preferably co-reactive, free-radically curable monomer(s), free- radical generating initiator(s), leveling agents, and other additives or adjuvants to impart specific properties to the polymerized composition.

La présente invention concerne des compositions contenant des agents favorisant la conductivité, qui peuvent s'appliquer en couche sur un substrat au moyen de procédés électrostatiques. Lesdites compositions comprennent un ou plusieurs monomères polymérisables par libération de cations, un ou plusieurs initiateurs cationiques et un ou plusieurs agents favorisant la conductivité non volatils dotés de parties cationiques et anioniques qui sont solubles dans lesdits monomères et qui n'interfèrent pas dans le processus de polymérisation cationique, ladite partie anionique étant un anion carboné non coordonnant. Les compositions peuvent en outre comporter un ou plusieurs des éléments suivants : agent favorisant la dissociation, oligomère ou polymère, de préférence co-réactif, monomère polymérisable par libération de radicaux libres, initiateur de génération de radicaux libres, agent nivelant, ainsi que d'autres additifs ou adjuvants déterminant les propriétés spécifiques de ladite couche de revêtement.

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