Stock material or miscellaneous articles – Composite – Of polyamidoester
Reexamination Certificate
2006-07-18
2006-07-18
Bissett, Melanie (Department: 1711)
Stock material or miscellaneous articles
Composite
Of polyamidoester
C428S424700, C428S424800, C049S475100
Reexamination Certificate
active
07078102
ABSTRACT:
An aqueous coating composition including a polyurethane polymer which contains carboxylic acid groups, a crosslinking agent, a wetting agent, a slip aid, and a UV stabilizing agent is provided. Coatings prepared from the aqueous coating composition are durable and have low surface friction, flexibility at low temperatures, and adhesion to low surface energy substrates. A method of preparing a substrate coated with the aqueous coating composition and an article containing the coated substrate are also provided. The aqueous coating composition is useful for providing a protective coating with a low friction surface for automotive weatherstrip.
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Bissett Melanie
Rohm and Haas Company
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