Coating compositions having improved adhesion, coated substrates and methods related thereto
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United States of America Patent
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Sep 23, 2003
Grant Date -
Jul 4, 2002
app pub date -
Jul 31, 2001
filing date -
Jul 30, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Coating compositions are provided which include a polysiloxane comprising at least one reactive functional group, at least one material comprising at least one reactive functional group, and at least one boron-containing compound. Also provided are multi-layer composite coatings formed from a basecoat deposited from a pigmented coating composition and a topcoat applied over the basecoat, the topcoat deposited from the aforementioned coating composition. Methods for repairing a multi-layer composite coating and coated substrates are also provided. The compositions of the invention provide highly scratch resistant coatings, particularly highly scratch resistant color-plus-clear coatings, which have excellent intercoat adhesion to subsequently applied coating layers.
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