Sealer-primer for elastomeric coatings

Details Sealer-primer for elastomeric coatings Sealer-primer for elastomeric coatings

1974-12-19

1976-06-08

Tillman, Murray

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 25AT, 260 4229, 260 75NK, 260850, 260856, 428121, 428256, 428268, C08L 6120, C08L 6126

Patent

active

039623696

ABSTRACT:
Compositions useful as sealing primers for elastomeric coatings comprise (A) the reaction product of a polyurethane polyol and a polycarboxylic acid or acid anhydride, and (B) an aminoplast resin. When used as primers, the compositions of the instant invention increase the durability, gloss retention and adhesion of elastomeric coatings. Such primers are particularly useful on resilient and rubbery substrates such as EPDM rubber, foam rubber, polyurethane foam and vinyl foam.

REFERENCES:
patent: 2625535 (1953-01-01), Mastin
patent: 3006897 (1961-10-01), Parker
patent: 3019212 (1962-01-01), Parker
patent: 3384606 (1968-05-01), Dieterich et al.
patent: 3419510 (1968-12-01), Hudak
patent: 3502557 (1970-03-01), Yurcheshen et al.
patent: 3542718 (1970-11-01), Davis et al.
patent: 3759873 (1973-09-01), Hudak

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