AQUEOUS COATING MEDIUM, METHOD OF PRODUCING SAID MEDIUM, COATING MADE FROM SAID MEDIUM AND SUBSTRATE WITH SAID COATING

摘要

FIELD: chemistry.;SUBSTANCE: aqueous medium contains A) one or more water-diluted polyester polyols with hydroxyl number ranging from 20 to 300 mg KOH/g and acid number from 20 to 80 mg KOH/g B) one or more cross linking agents which are active towards OH groups, C) water, D) neutralising agent, and can also contain solvents, auxiliary agents and additives.;EFFECT: good adhesion to metals and high resistance to aggressive media.;13 cl, 4 ex, 2 tbl