Heat cross linkable polyurethane coating compositions

Details Heat cross linkable polyurethane coating compositions Heat cross linkable polyurethane coating compositions

1979-03-29

1981-12-29

Pertilla, Theodore E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

156239, 156249, 1563071, 156315, 260 294R, 260 294UA, 260 296NR, 4273899, 427412, 4284251, 428904, C08L 7504

Patent

active

043081843

ABSTRACT:
The present disclosure is concerned with solvent free or very low solvent coating compositions suitable for use on flexible sheet form substrates particularly textile substrates. The composition comprises a urethane group-containing prepolymer with OH or CONH.sub.2 terminal groups mixed with a urea or melamine formaldehyde resin and a stable aqueous polymer dispersion or solution. The composition may also contain small amounts of an organic solvent. The coating can be applied to the substrate by direct or reverse coating techniques.

REFERENCES:
patent: B170961 (1971-08-01), Balle
patent: 3228820 (1966-01-01), Samson
patent: 3726838 (1973-04-01), Ermer et al.
patent: 3755261 (1973-08-01), Van Grelick
patent: 3756992 (1973-09-01), Dieterich
patent: 3984607 (1976-10-01), Thoma et al.
patent: 4035213 (1977-07-01), Thoma et al.
patent: 4160686 (1979-07-01), Niederdellmann et al.

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