PVC-free coil-coated steel having excellent cut-side corrosion r

Details PVC-free coil-coated steel having excellent cut-side corrosion r PVC-free coil-coated steel having excellent cut-side corrosion r

1996-04-29

1997-06-03

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

427327, 4273883, 524590, 524602, 524604, C09K16702, B05D 300

Patent

active

056355556

ABSTRACT:
PVC-free coil coated steel having excellent cut-side corrosive resistance can be prepared by using on one or both sides a primer composition essentially consisting of a linear polyester of Mn=3,000-15,000, of acid number 0-10, and hydroxyl index 10-25; a blocked polyisocyanate, melamine or an urea-formaldehyde adduct, in an equivalent ratio of 0.8-4.0 to polyester; a catalyst; anti-corrosive pigments of the chromate type, being at least 50 weight percent of all pigments; and solvents.

REFERENCES:
patent: 4501829 (1985-02-01), Oda et al.
patent: 4752532 (1988-06-01), Starka
patent: 4920199 (1990-04-01), Jarzombsk et al.
patent: 5371112 (1994-12-01), Sayre et al.
patent: 5484842 (1996-01-01), Lewarchik et al.

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