Process for preparing a K-type polarizer

Details Process for preparing a K-type polarizer Process for preparing a K-type polarizer

2006-02-14

2006-02-14

Tarazano, D. Lawrence (Department: 1773)

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

C428S520000, C428S522000, C428S910000

Reexamination Certificate

active

06998179

ABSTRACT:
A process for preparing a polarizer is described whereby an article comprising an oriented, vinylalcohol polymer film layer, and an acid donor layer comprising a photoacid generator, is exposed to radiant energy at a temperature sufficient to effect a partial dehydration of the vinylalcohol polymer to a vinylalcohol/poly(acetylene) copolymer.

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