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B B CHEMICAL CORP
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B B CHEMICAL CORP
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Publication of ES249608A1publicationCriticalpatent/ES249608A1/en
Method for obtaining covering compositions, suitable for depositing an easily hardenable resin film until it becomes strong, resistant to water and solvents; characterized by preparing a solution in a volatile organic solvent, of a prepolymer obtained by the reaction of a polyester having free hydroxyl groups and of a polyisocyanate in excess of the amount required to provide an -nco group for each free hydroxyl group, and adding to this solution a catalytic amount of 2-diethylaminoethyl acrylate. (Machine-translation by Google Translate, not legally binding)
ES0249608A1958-05-081959-05-06Procedure to obtain covering compositions (Machine-translation by Google Translate, not legally binding)
ExpiredES249608A1
(en)