Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1996-01-16
1997-09-09
Lee, Helen
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
525523, 525525, 525529, 525535, 525537, C08L 6300
Patent
active
056657978
ABSTRACT:
A resin composition for sealing liquid crystal cells comprising as principal ingredients epoxy resin containing a polysulfide modified epoxy resin, hydrazide compounds and fillers.
The said epoxy resin contains a polysulfide modified epoxy resin expressed in an amount of the general formula (1) by 20 to 100% by weight in the entire epoxy resin and the average molecular weight of the entire epoxy resin is between 300 and 3000 Formula (1) is defined as follows: ##STR1## where each of R.sup.1 and R.sub.3 represents at least one organic group selected from a group consisting of bisphenol structures, aliphatic oxyether structures and aliphatic thioether structures and R.sup.2 represents a polysulfide structure expressed by --(C.sub.2 H.sub.4 OCH.sub.2 OC.sub.2 H.sub.4 S.sub.m).sub.n --, wherein m represents the number of sulfur atoms contained in a polysulfide structure, which is 1 or 2, and n represents the average number of polysulfide structures contained in the above formula, which is between 1 and 50.
A film-made liquid crystal cell made by using the resin composition is excellent in adhesion, flexibility, electric properties and has high reliability.
REFERENCES:
patent: 3856933 (1974-12-01), Jankowiak et al.
patent: 3923571 (1975-12-01), Aoki et al.
patent: 4268656 (1981-05-01), Roy-Chaudhuri et al.
patent: 4362903 (1982-12-01), Eichelberger et al.
patent: 4524181 (1985-06-01), Adam et al.
patent: 4692500 (1987-09-01), Hefner, Jr.
patent: 4788233 (1988-11-01), Sakakibara et al.
patent: 4816546 (1989-03-01), Hefner, Jr.
patent: 5150239 (1992-09-01), Watana et al.
patent: 5214098 (1993-05-01), Setiabudi et al.
patent: 5318851 (1994-06-01), Baron et al.
DATABASE WPI, Derwent Publications Ltd., AN 84-216318, Jul. 1984.
Patent Abstracts of Japan, vol. 13, No. 115 (C-578), Mar. 1989.
DATABASE WPI, Derwent Publications Ltd., AN 93-191679, May 1993.
DATABASE WPI, Derwent Publications Ltd., AN 82-82861E, Aug. 1982.
Handbook of Epoxy Resins by Lee and Neville, 1967 McGraw-Hill Book Company.
Horiuchi Masayuki
Itami Seiji
Machida Koichi
Tahara Syuji
Lee Helen
Mitsui Toatsu Chemicals Inc.
LandOfFree
Resin composition for sealing film-made liquid crystal cells does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Resin composition for sealing film-made liquid crystal cells, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Resin composition for sealing film-made liquid crystal cells will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-70816