| abstract |
PROCEDURE FOR OBTAINING BINDERS DISPERSIBLE IN WATER, RETICULABLE BY RADIATION, BASED ON URETHANE ACRYLATES. IT CONSISTS OF REACTING AN EQUIVALENT GRAM OF NCO OF A POLYISOCYANATE WITH TWO OR THREE ISOCYANATE GROUPS PER MOLECULE, WITH LESS THAN 0.7 GRAMS OF OH EQUIVALENT OF A POLYOL, WITH TWO GROUPS PER MOLECULE MINIMUM , AND WITH 0.1 TO 0.7 GRAMS OF OH EQUIVALENT OF A HYDROXYALKYL ACRYLATE HAVING TWO TO SIX CARBON ATOMS IN THE ALKYL GROUP. THEN, IT IS REACTED WITH 0.01 TO 0.5 GRAM EQUIVALENT OF NH OF AN AMINOSULPHONIC ACID, WITH FROM ONE TO FOUR AMINO GROUPS PER GROUP OF SULFONIC ACID. ALL THE EQUIVALENT GRAMS OF OH AND NH ADD FROM 1 TO 1.2. FOR APPLICATION TO PORE COATINGS AND COATINGS, FOR THE SOLIDIFICATION AND IMPREGNATION OF TEXTILES OR FLEECES AND AS BINDERS FOR PAINTS AND PRINTING INKS. |