Resin solutions suitable for producing bakable coatings

Claim 1

A RESIN SOLUTION SUITABLE FOR PREPARING A BAKABLE VERY HEAT RESISTANT COATING FREE FROM HAID-LIKE CRACKS COMPRISING (A) A REACTION PRODUCT, DISSOLVED IN A SOL VENT FREE FROM CARBOXYL GROUPS FROM (A) A RESINOUS DERIVATIVE OF A POLYHYDRIC POLYNUCLEAR PHENOL OF WHICH THE PHENOL NUCLEI ARE CONNECTED TOGETHER BY A CARBON BRIDGES WHICH DERIVATIVE CONTAINS AT LEAST TWO ETHYLENE OXIDE GROUPS AND IS OBTAINED BY REACTION OF A CHLOROHYDRIN SE LECTED FROM THE GROUP CONSISTING OF EPICHLOROHYDRIN AND DICHLOHYDRIN ON THE POLYHYDRIC PHENOL IN AN ALKALINE MEDIUM AND WHICH DERIVATIVE IS PRESENT IN A QUANTITY CONTAINING 1 MOL OF GROUND POLYHYDRIC PHENOL (B) ABOUT 1/8 AT MOST 9/5 OF ONE EQUIVALENT OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF A POLYBASIC CARBOXYLIC ACID OF WHICH THE CARBOXYL GROUPS ARE SEPARATED AND FROM ONE ANOTHER BY AT LEAST TWO CARBON ATOMS, AND AN ANHYDRIDE OF SUCH AN ACID, AND (C) ABOUT 0.06 TO 0.6 MOL OF DICYANDIAMIDE (B) A POLYESTER CONTAINING FREE HYDROXYL GROUPS AND PREPARED FROM A POLYHYDRIC ALCOHOL AND A SUBSTANCE AS DEFINED UNDER (B) IN THE PROPORTION OF ABOUT 1.71 TO ABOUT 1.875 HYDROXYL EQUIVALENTS TO ONE CARBOXYL EQUIVALENT AND (C) A HARDENABLE FORMALDEHYDE CONDENSATION PRODUCT SELECTED FROM THE GROUP CONSISTING OF AN AMINO-1.3,5-TRIAZINE-FORMALDEHYDE CONDENSATION PRODUCT AN ALKYL ETHER OF THE LATTER A UREA-FORMALDEHYDE CONDENSATION PRODUCT, AN ALKYL ETHER OF THE LATTER, AND A PHENOL-FORMALDEHYDE CONDENSATION PRODUCT, THE PROPORTION BY WEIGHT OF COMPONENTS (A) (B) AMOUNTING TO ABOUT 100 PARTS:22.2-41.36 PARTS AND THE PROPORTION BY WEIGHT OF COMPONENTS (B) (C) AMOUNTING TO ABOUT 100 PARTS:71.1-132.0 PARTS.