Laminated bodies and windows using them

Details Laminated bodies and windows using them Laminated bodies and windows using them

1998-02-11

2000-02-01

Epps, Georgia

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359289, G02F 101

Patent

active

060209895

ABSTRACT:
A laminated body comprising an aqueous solution, in which molecules dissolved in water aggregate upon increasing temperature to demonstrate cloudy light-scattering resulting in decrease in light transmittance, sealed between two substrates which are at least partially transparent to allow direct visibility of said aqueous solution, wherein said aqueous solution comprises 0.5 to 45 parts by weight of an amphipathic substance which exhibits a clouding point, is an oil at room temperature and dissolves uniformly in water at room temperature, dissolved in 100 parts by weight of a solution of 0.5 to 40 parts by weight of an ionic water-soluble polymer or a vinyl-based non-ionic water-soluble polymer exhibiting no clouding point at a temperature of not higher than about 45.degree. C. in 100 parts by weight of water, and said aqueous solution undergoes a temperature-dependent reversible sol-emulsion phase transition, as well as a window employing it.

REFERENCES:
patent: 4169661 (1979-10-01), Yamada et al.
patent: 4772506 (1988-09-01), Siol et al.
patent: 4832466 (1989-05-01), Nishimura et al.
patent: 4877675 (1989-10-01), Falicoff et al.
patent: 5615040 (1997-03-01), Watanabe

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