Patent ID: 7521100
Filing Date: 2009-04-21
Classification: C08G,C08L,C09K,G02F

Abstract:
1. A sealant for liquid crystals characterized by comprising an epoxy resin (a) represented by general formula (1): (wherein a represents an integer of 2 to 4; n represents 1 to 1.5 (average value); R represents —CH 2 —CH 2 —; A represents a polyvalent aromatic group selected from a di- or trivalent phenol or naphthol residue; a di- to tetravalent aromatic group formed by bonding 2 to 4 benzene rings or naphthalene rings (aliphatic group(s) of 1 to 6 carbon atoms may be present as a substituent on the benzene ring or naphthalene ring, and the total number of bonding arms on the ring is 2 to 4) through single bond, divalent aliphatic hydrocarbon residue(s) (which may be substituted with a phenyl group) of 1 to 3 carbon atoms, oxygen atom(s) or a sulfur atom(s) (which may be in a sulfonyl form); or a residue obtained by removing a hydroxyl group from a novolac resin; and G represents a glycidyl group, (b) a thermo-curing agent, and (c) a filler having average particle diameter of not larger than 3 μm.