Organic-inorganic composite particles and production process the

Details Organic-inorganic composite particles and production process the Organic-inorganic composite particles and production process the

1995-12-07

1996-12-03

Thomas, Alexander

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

With charge transferring layer of specified composition

349155, G02F 11339

Patent

active

055806198

ABSTRACT:
Organic-inorganic composite particles which include a (meth)acrylic resin framework and a polysiloxane framework having in its molecule an organosilicon containing a silicon atom directly and chemically combined with at least one carbon atom of the (meth)acrylic resin framework, and also contain 25 wt % or more of SiO.sub.2 which constitutes the polysiloxane framework and have a mean particle diameter of .gtoreq.0.5 .mu.m. The particles have the mechanical resilience necessary to maintain a constant gap distance between a pair of members to be arranged with the correct gap distance between them, and the hardness and fracture strength necessary to maintain the gap constant with smaller numbers; and also do not readily cause physical damage to the members. The composite particles can be employed as spacers 8 for a liquid crystal display as they stand or with an adhesive layer formed on the surface. The composite particles can also have a conductive layer formed on the surface, and be employed as conductive particles.

REFERENCES:
patent: 4166078 (1979-08-01), Getson
patent: 4437731 (1984-03-01), Sudo et al.
patent: 5153068 (1992-10-01), Kohara et al.
patent: 5231527 (1993-07-01), Takanashi et al.
"The Chemical Handbook--Applied Chemistry" edited by the Japanese Chemical Soc., published by Maruzen KK and published in Dec. 1986, pp. 1399-1427.
"The Nippon Kayaku Dye Handbook (2nd Edition)" published by Nippon Kayaku KK and published in Dec. 1973, pp. 634-687.

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