C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 4/00 (2006.01) B05D 1/04 (2006.01) B05D 7/24 (2006.01) C09D 5/46 (2006.01) C09D 7/12 (2006.01) C09J 7/02 (2006.01)
Patent
CA 2247938
Compositions containing conductivity enhancers, which are capable of being coated onto a substrate by means of electrostatic assistance. The compositions comprise one or more free-radically curable monomer(s), and one or more non- volatile conductivity enhancer(s), having cationic and anionic portions, which are soluble in the monomer(s) and which do not interfere with free-radical polymerization, wherein said anionic portion is a non-coordinating organophilic carbon-containing anion. The compositions may further comprise one or more initiator(s), one or more dissociation enhancing agent(s), cross- linking agent(s), cationically polymerizable monomer(s), cationic initiator(s), leveling agents, oligomer(s) or polymer(s), preferably co- reactive, and other additives or adjuvants to impart specific properties to the cured coating.
La présente invention concerne des compositions contenant des agents accroissant la conductivité et qui peuvent former un revêtement en couche sur un substrat au moyen de dispositifs d'assistance électrostatiques. Lesdites compositions comprennent un ou plusieurs monomères à polymérisation radicalaire et un ou plusieurs agents accroissant la conductivité volatils disposant de parties cationiques et anioniques solubles dans lesdits monomères et qui ne doivent pas interférer dans le processus de polymérisation radicalaire, ladite partie anionique devant être un anion carboné organophile non coordonnant. Les compositions peuvent en outre comporter un ou plusieurs des éléments suivants: initiateur, agent renforçant la dissociation, agent réticulant, monomère polymérisable par cations, initiateur cationique, agent nivelant, oligomère ou polymère, de préférence co-réactif, ainsi que d'autres additifs ou adjuvants déterminant les propriétés spécifiques de ladite couche de revêtement durcie.
Everaerts Albert I.
Lamanna William M.
Seaver Albert E.
Tiers George Van Dyke
Minnesota Mining And Manufacturing Company
Smart & Biggar
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