| abstract |
A COMPOUND OF THE URUSHI LACQUER CLASS AND AT LEAST ONE COMPOUND SELECTED FROM AROMATIC ACIDS AND HYDROXY ACIDS AND POLYVALENT PHENOLS ARE CAUSED TO UNDERGO COPOLYCONDENSATION TOGETHER WITH FORMALIN IN THE PRESENCE OF AN ACIDIC CATALYST, AND, WITH THE RESULTING RESINOUS SUBSTANCE, AN ANIMAL OR VEGETABLE DRYING OIL, AT LEAST ONE PIGMENT, AND OTHER ADDITIVES AS DESIRED ARE THOROUGHLY ADMIXED TO PRODUCE A PAINT OF HIGH CORROSION-PREVENTIVE PERFORMANCE DUE TO ITS COORDINATE-BONDING CHARACTERISTIC. |