Transparent laminated polarizing glasses

Details Transparent laminated polarizing glasses Transparent laminated polarizing glasses

1986-02-20

1987-07-28

Gallagher, John J.

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

With charge transferring layer of specified composition

156100, 156103, 156107, 156146, 156153, 156281, 156312, 156314, 156319, 156326, 156329, 1563244, 350320, 350330, 350398, 351177, 427163, 4284233, C09K 1900, B32B 1700

Patent

active

046831533

ABSTRACT:
This invention is concerned with a method for preparing transparent laminated polarizing glass articles consisting of a support of an inorganic or organic glass, a coating exhibiting polarizing properties disposed on one of the surfaces of the support, and an optically transparent layer adhered to the coating which protects the coating from humidity. The vital feature of the method comprises a first treatment by a gamma-aminopropyltrialkoxysilane and a second treatment by an epoxyalkyltrialkoxysilane which is designed to improve the adherence of the optically transparent layer to the polarizing coating.
The invention is especially useful in the fabrication of eyeglass lenses.

REFERENCES:
patent: 2481830 (1949-09-01), Dreyer
patent: 2544659 (1951-03-01), Dreyer
patent: 2553961 (1951-05-01), Dreyer
patent: 4154638 (1979-05-01), Franz et al.
patent: 4261656 (1981-04-01), Wu

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