Adhesive coatings from ether-type polyester, urethane elastomer,

Details Adhesive coatings from ether-type polyester, urethane elastomer, Adhesive coatings from ether-type polyester, urethane elastomer,

1975-09-10

1977-09-13

Tillman, Murray

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 40TN, 260 75T, 260 75NP, 428424, C08G 1842, C08L 7500

Patent

active

040482537

ABSTRACT:
The present invention provides adhesive compositions of improved adhesion which comprise (a) an ether-type polyester obtained by the heat treatment of a polyethylene-terephthalate with at least one glycol having at least 3 carbon atoms to interchange the ethylene glycol components in the polyethylene-terephthalate, and (b) a linear thermoplastic high molecular weight urethane elastomer. Embodiments include an adhesive composition, comprising component (a) and component (b) plus (c) a polyisocyanate and an adhesive coating composition comprising an ether-type polyester obtained by the heat treatment of a polyethylene terephthalate with at least one glycol having at least 3 carbon atoms to interchange the ethylene glycol components in the polyethylene terephthalate, a polyisocyanate and a pigment.

REFERENCES:
patent: 2880192 (1959-03-01), Coffey et al.
patent: 2888432 (1959-05-01), Fauser
patent: 3170833 (1965-02-01), Noyes
patent: 3190770 (1965-06-01), Lavin et al.
patent: 3192287 (1965-06-01), Pelzek et al.
patent: 3686146 (1972-08-01), Goto
patent: 3781381 (1973-12-01), Koleske et al.
patent: 3910846 (1975-10-01), Azar et al.

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