SEALING MATERIAL FOR LIQUID CRYSTALS AND PROCESS FOR PRODUCTION OF LIQUID CRYSTAL PANELS WITH THE SAME

WIPO Patent Application WO/2007/074781

A1

The invention provides a sealing material for liquid crystals which is excellent in adhesion, adhesion reliability observed after being allowed to stand under high temperature and humidity conditions for a long time, electro-optic characteristics of liquid crystals, maintenance of alignment of liquid crystals, and viscosity stability observed in being applied to the substrate of a liquid crystal panel. The invention relates to a sealing material for liquid crystals which comprises a modified epoxy resin obtained by reacting an epoxy resin with an ester represented by the general formula (1) with the proviso that the amount of the ester used in the reaction is less than one mol per mol of epoxy of the epoxy resin: [Chemical formula 1] (1) wherein R1 is hydrogen or methyl; R2 is hydrogen, alkyl, alkenyl, halogeno, nitro, or methoxy; X is a single bond, alkylene, or a group represented by the general formula (A) or (B): [Chemical formula 2] - R3 - O - (A) [Chemical formula 3] (B) (in the formulae (A) and (B), R3 is alkylene).

TAKEUCHI FUMITO
ITO SOUTA
GOMI TOSHIKAZU
MIZUTA YASUSHI

PCT/JP2006/325797

July 05, 2007

December 25, 2006

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MITSUI CHEMICALS INC (JP)
TAKEUCHI FUMITO
ITO SOUTA
GOMI TOSHIKAZU
MIZUTA YASUSHI

G02F1/1339; C08F290/06; C09K3/10

JPS62207241A	1987-09-11
JPH05156196A	1993-06-22
JPH07292067A	1995-11-07
JPH03188186A	1991-08-16
JPH09194567A	1997-07-29
JP2005308811A	2005-11-04

WASHIDA, Kimihito (Shintoshicenter Bldg. 24-1, Tsurumaki 1-chom, Tama-shi Tokyo 34, JP)

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