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1. (US20060093844) Photochromic coating compositions, methods of making coated articles and articles thereof

Office : United States of America
Application Number: 11231867 Application Date: 22.09.2005
Publication Number: 20060093844 Publication Date: 04.05.2006
Publication Kind : A1
IPC:
B32B 27/30
B05D 5/06
G02B 5/00
B PERFORMING OPERATIONS; TRANSPORTING
32
LAYERED PRODUCTS
B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
27
Layered products essentially comprising synthetic resin
30
comprising vinyl resin; comprising acrylic resin
B PERFORMING OPERATIONS; TRANSPORTING
05
SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
D
PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
5
Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
06
to obtain multicolour or other optical effects
G PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5
Optical elements other than lenses
Applicants: CONKLIN JEANINE A
KING ERIC M
STEWART KEVIN J
Inventors: Conklin Jeanine A.
King Eric M.
Stewart Kevin J.
Agents: PPG Industries, Inc.
Priority Data: 11231867 22.09.2005 US
60623612 29.10.2004 US
Title: (EN) Photochromic coating compositions, methods of making coated articles and articles thereof
Abstract:
(EN)

Described are ungelled coating compositions of photochromic material, precursor materials for a first polymer polymerizable by free-radical initiated polymerization and precursor materials for a second or additional polymer(s) different from the first polymer. When the second polymer is selected from polyurethane, poly(urea-urethane) and mixtures thereof, the precursor materials include at least one blocked polyisocyanate. Also described are methods of making photochromic articles using the ungelled coating compositions and the photochromic articles produced using these methods.