Reaction setting, polymer, sealing material for liquid crystal d

Details Reaction setting, polymer, sealing material for liquid crystal d Reaction setting, polymer, sealing material for liquid crystal d

1983-07-13

1984-09-11

Corbin, John K.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525478, G02F 1133

Patent

active

044706685

ABSTRACT:
A sealing material particularly suitable for producing liquid crystal display panels of which the base plates are made of flexible polymer film, which sealing material comprises a reaction-setting type polymer containing siloxane bonds in the molecules, which polymer is represented by the following general formula ##STR1## wherein R represents a lower alkyl group, and X.sup.1, X.sup.2, X.sup.3, X.sup.4, X.sup.5, X.sup.6 and X.sup.7 independently represent radicals selected from the group consisting of hydroxy, acetoxy, alkoxy, hydrogen, vinyl, epoxy, amino, glycol, phenyl, fluorinated alkyl and lower alkyl, and at least one of X.sup.1 through X.sup.7 is a radical selected from the group consisting of hydroxy, acetoxy, alkoxy, hydrogen, vinyl, epoxy, amino and glycol, and n represents an integer of 5 to 10000. Since sealing material has high sealing strength for the polymer film over a long period of time and is free from solvents, the liquid crystal, the orientation processed films, the transparent electrodes and the base plates of the liquid display panels are not caused to deteriorate by this sealing material.

REFERENCES:
patent: 3992355 (1976-11-01), Itoh et al.
patent: 4227779 (1980-10-01), Bissar et al.
patent: 4297401 (1981-10-01), Chern et al.
patent: 4325610 (1982-04-01), Inou et al.
patent: 4407870 (1983-10-01), Clerc et al.
Penz et al., "Plastic Substrate LCD" SID 81 Digest pp. 116-117, 1981.

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