High solid coating compositions

Details High solid coating compositions High solid coating compositions

2005-06-07

2005-06-07

Acquah, Samuel A. (Department: 1711)

Stock material or miscellaneous articles

Composite

Of polyester

C528S302000, C528S306000, C528S307000, C525S437000, C525S440030, C525S441000, C525S443000, C525S444000, C525S445000, C427S207100, C427S340000

Reexamination Certificate

active

06902820

ABSTRACT:
Coating compositions comprising:A) least one hydroxy-functional polyester with at least two hydroxyl groups per molecule, wherein at least one of which hydroxyl groups is a tertiary hydroxyl group, and the polyester has a number average molecular weight Mw of 200 to 5000, and contains as a structural element 10-90 wt-%, relative to the total quantity of polyester, of at least one acid ester group comprising a tertiary hydroxyl group and of the following general formula I wherein R1is a single bond or a C1-C6 alkyl group, R2and R3mutually independently mean a C1-C4 alkyl group,B) optionally, at least one additional hydroxy-functional binder other than A) andC) at least one cross-linking agent which is capable of entering into a cross-linking reaction with the OH-groups of components A) and B.

REFERENCES:
patent: 6277497 (2001-08-01), Aerts et al.
patent: 1528802 (1978-10-01), None

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