Coating method using compositions comprising acrylic oligomers,

Details Coating method using compositions comprising acrylic oligomers, Coating method using compositions comprising acrylic oligomers,

1978-05-15

1980-02-26

Smith, Ronald H.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

113120A, 113121A, 215DIG2, 260 294UA, 260 296RW, 260 296WB, 260 296TH, 260 296NR, 427388A, 427388B, 427388C, 427428, 428334, 428335, 428336, 428418, 428460, 428463, B32B 1508, B05D 128

Patent

active

041906934

ABSTRACT:
This invention discloses stable water-based thermosettable coating compositions particularly adapted for the direct roll coating of substrates. The composition comprises (1) an aqueous solution or colloidal solution of a volatile amine or ammonia salt of a high molecular weight carboxylic acid-containing acrylic copolymer, (2) a carboxylic acid-containing acrylic oligomer in the solution, and (3) an aqueous dispersion or solution of a crosslinker; the volatile aqueous phase being by volume 70 to 95% water and 5 to 30% organic solvents, the solids content 15 to 70% by weight and the viscosity between 25 and 150 seconds measured in the number 4 Ford cup.

REFERENCES:
patent: 3305505 (1967-02-01), Ropp
patent: 3356627 (1967-12-01), Scott
patent: 3904795 (1975-09-01), Mercurio
patent: 3908066 (1975-09-01), Parkinson
patent: 3919154 (1975-11-01), Chang et al.
patent: 3926888 (1975-12-01), Cheung et al.
patent: 3928273 (1975-12-01), Chang et al.
patent: 3967045 (1976-06-01), Kurobe et al.

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