Process for the preparation of unsaturated polyurethane resins

Details Process for the preparation of unsaturated polyurethane resins Process for the preparation of unsaturated polyurethane resins

1975-01-13

1976-06-29

Cockeram, H.S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 318J, 260 775CR, 260 775AP, 260 775AN, 260859R, C08G 1842, C08G 1804, C08G 1858

Patent

active

039666816

ABSTRACT:
A process for preparing an unsaturated polyurethane resin containing two or more unsaturated monobasic acid residues in its molecular structure which comprises reacting, in the presence of a polymerizable vinyl monomer, (A) a diesterified product of an epoxy compound containing a hydroxyl group, said product obtained by reacting an epoxy compound having two epoxy groups in its molecular structure but not containing a hydroxyl group with unsaturated monobasic acid, with (B) a diisocyanate compound in the presence or absence of (C) oligopolyester glycol containing a saturated or unsaturated dibasic acid group, at the rate of 0.2 to 1.0 mole of the isocyanate group per each mole of said hydroxyl group.

REFERENCES:
patent: 3478126 (1969-11-01), Turpin

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