A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 6/083 (2006.01) C08F 222/20 (2006.01) C09J 4/00 (2006.01)
Patent
CA 2227037
A dental resin composition is presented, comprising an ethoxylated bisphenol A dimethacrylate having the formula CH2=C(CH3)CO2(C2H4O)xC6H4C(CH3)2C6H4(OC2H4)yO2CC(CH3)=CH2 wherein x + y is an integer from 1 to 20, and preferably from 2 to 7, together with a methacrylate oligomer and an optional diluent monomer. The composition is suitable for use for dental fillers adhesives, and the like, and has improved water sorption and excellent wear resistance.
L'invention porte sur une composition à base de résine dentaire, renfermant un diméthacrylate de bisphénol A éthoxylé - de formule CH2=C(CH3)CO2(C2H4O)xC6H4C(CH3)2C6H4(OC2H4)yO2CC(CH3)=CH2, où x + y est un entier de 1 à 20, et de préférence de 2 à 7 - avec un oligomère de méthacrylate et, facultativement, un monomère diluant. La composition est utile comme adhésif pour les produits d'obturation dentaire ou autres, et possède un meilleur taux de sorption de l'eau ainsi qu'une excellente résistance à l'usure.
Jia Weitao
Yang Zhenyu
Jeneric/pentron Incorporated
Swabey Ogilvy Renault
LandOfFree
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