Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1987-07-16
1989-07-18
Ives, P. C.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
428414, 428416, 428418, 428500, 428463, 4274071, B05D 136, B05D 700, B32B 1508
Patent
active
048492833
ABSTRACT:
A color plus clear composite coating and process are disclosed. A pigmented or colored base coat is first applied to a substrate followed by the application of a transparent top coat to the base coat. The base coat composition is a liquid crosslinkable composition comprising a polyepoxide and a polyacid curing agent which comprises a half ester formed from reacting an acid anhydride with a polyol. The top coat composition is a powder coating. The resultant composite coating exhibits improved distinctness of image, making the composite coating particularly useful as an automotive top coat.
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Handbook of Epoxy Resins, Henry Lee, Technical Director and Kris Neville, Project Engineer; The Epoxylite Corporation; published by McGraw-Hill, Inc., 1967; Chapter 11, pp. 11-17 to 11-22.
Blackburn William P.
Porter, Jr. Samuel
Simpson Dennis A.
Akorli Godfried R.
Ives P. C.
PPG Industries Inc.
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