Process for applying a coating to a coiled metal sheet

Details Process for applying a coating to a coiled metal sheet Process for applying a coating to a coiled metal sheet

2007-10-11

2009-06-30

Fletcher, III, William Phillip (Department: 1792)

Coating processes

With post-treatment of coating or coating material

Heating or drying

C427S508000, C427S553000

Reexamination Certificate

active

07553520

ABSTRACT:
The invention relates to a process for preparing a coated metal sheet coil comprising the coating of the metal sheet with a curable composition comprising an (meth)acrylated oligomer which is the reaction product of a carboxyl functionalized polybutadiene comprising x equivalents of —COOH groups with (i) y equivalents of one or more (meth)acrylated monoepoxides or (ii) a mixture of z equivalents of one or more polyepoxides and at least (z−x) equivalents of an α,β-unsaturated carboxylic acid; with z>x and y≧x.

REFERENCES:
patent: 3652520 (1972-03-01), Ryan et al.
patent: 2002/0132059 (2002-09-01), Maddox et al.
patent: 2003/0018150 (2003-01-01), Hong et al.
patent: 0 261 890 (1987-09-01), None
patent: 0 261 890 (1988-03-01), None
patent: 0 533 459 (1993-03-01), None
patent: 2 119 810 (1983-11-01), None

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