THERMOSURING COVERAGE AGENT FOR CATHODIC VARNISHING BY ELECTRO-IMMERSION.

摘要

THE INVENTION REFERS TO A COATING THAT HARDENS BY HEAT; IT IS DILUTED IN WATER THROUGH PROTONATION WITH ACID; CONTAINS 50 TO 95% BY WEIGHT OF PLIMERIZATION, POLYCONDENSATION, OR POLYADICTION PRODUCTS WITH AN AVERAGE MOLECULAR WEIGHT BETWEEN 500 AND 20000 AND WITH PRIMARY, SECONDARY AND / OR TERTIARY HYDROXYL GROUPS AND A 5 TO 50% OF CROSSLINERS AND IS OBTAINED THROUGH THE TREATMENT OF ALIPHATIC POLYHYDROXY COMPOUNDS AND AROMATIC POLYHYDROXY COMPOUNDS WITH AN ALIPHATIC AND / OR CYCLLOALYMPHATIC POLYISOCYANATE AND A BLOCKER.