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Ivanow S A
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Ivanow S A
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Application filed by Ivanow S AfiledCriticalIvanow S A
Priority to ES483678ApriorityCriticalpatent/ES483678A3/es
Publication of ES483678A3publicationCriticalpatent/ES483678A3/es
Procedimiento de preparación de una resina electrodepositable, caracterizado porque consiste en hacer reaccionar (A) una resina orgánica que contiene grupos epoxídicos con (B) una amina primaria o secundaria y a continuación hacer reaccionar el producto resultante con (C) un poliisocianato orgánico semibloqueado que contiene por término medio aproximadamente un grupo isocianato libre, siendo estables dichos grupos isocianatos bloqueados a la temperatura ambiente en presencia de dicho producto pero siendo reactivos con los grupos hidroxilos a temperatura elevada.
ES483678A1979-08-271979-08-27Procedimiento de preparacion de una resina electrodeposita- ble
ExpiredES483678A3
(es)
Process for the preparation of organic polyisocyanates containing biuret and/or urea groups, as well as dispersions of polyisocyanates containing urea groups in a diisocyanate free of urea
Forfarande for framstellning av polymerer innehallande fria eller salifierade, primera, sekundera eller tertiera aminogrupper och kvartera ammoniumgrupper