Stock material or miscellaneous articles – Composite – Of polyamidoester
Patent
1994-05-24
1999-11-09
Resan, Stevan A.
Stock material or miscellaneous articles
Composite
Of polyamidoester
4284258, 4274071, 427409, 525124, 525127, 525131, 525157, 525509, 525520, B32B 2700
Patent
active
059810742
ABSTRACT:
A non-yellowing one-package polyurethane coating composition containing an oxime-blocked polyisocyanate, an isocyanate-reactive material, and an imino-functional amino resin is provided. The coating composition is applied onto an acid-cured base coat and cured. The clear coat produced in this manner has good yellowness resistance and intercoat adhesion.
Articles such as multi-layered coated substrates are prepared using the coating method of this invention. The coated substrates typically contain an acid-cured first layer and an adjacent layer derived from a curable composition containing an oxime-blocked polyisocyanate, an isocyanate-reactive material, and an imino-functional amino resin.
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patent: 4846946 (1989-07-01), Mauer et al.
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patent: 5155201 (1992-10-01), Gardon et al.
patent: 5178915 (1993-01-01), Moyle et al.
International Search Report for International Patent Application No. PCT/US94/00431.
"High Solids Amino Crosslinking", brochure of American Cyanamid Company (1991).
Nylen and Sunderland, Modern Surface Coatings, Interscience Publishers (1965) pp. 189-196.
Lee Feeha
Wu Kuang Jong
Cytec Technology Corp.
Kelly Michael J.
Resan Stevan A.
Schultz Claire M.
Sherwood Michelle A.
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