Patent ID: 6750290
Filing Date: 2004-06-15
Classification: B41J,C08G,C09D

Abstract:
An ink jet recording head comprising a discharge orifice for discharging an ink, wherein at least a periphery of the opening of the discharge orifice is coated with a cured film of an epoxy resin composition, the epoxy resin composition comprising:(A) an alkylsiloxane-containing epoxy resin having at least a monomer unit represented by the structural formula wherein a is 1 to 50, n is 2 to 100, R1 is H or CH3, and R3 and R4 are CH3 or and a monomer unit represented by the structural formula wherein b is 2 to 100, R2 is H or CH3, and R5 is CH2, CH2CH2, or CH2CH2CH(CH3);(B) a cationic polymerization catalyst; and (C) an alicyclic polyfunctional epoxy compound having a molecular weight of 300 or more, and a static viscosity at 25Â° C. of 1,000 cps or more, wherein the alicyclic polyfunctional epoxy compound is contained as a compatibilizer or a reaction accelerator.