| abstract |
PROCESS FOR CROSSCULATING COATING COMPOSITIONS DEPOSABLE BY CATHODIC ROUTE. THE PRESENT INVENTION DESCRIBES A PROCESS FOR THE CROSS-LINKING OF RESINS DEPOSABLE BY CATHODIC ROUTE, IN WHICH A SULFUR-FREE VULCANIZATION ACCELERATOR AND OR WITH A SULPHIDE VULCANIZATION ACCELERATOR, WITHOUT SULFUR-FREE VULCANIZATION ACCELERATOR A CID-FREE, A VULCANIZATION ACCELERATOR, WITHOUT SULFUR, A CIDHODIC ROUTE. AT LEAST 1000 AND A DOUBLE BINDING CONTENT OF 2 TO 20 EQUIVALENTS 1000G, THEN THE DEPOSIT OBTAINED BY CATAPHORESE IS HARDENED FROM 120C. USE OF THIS PROCESS TO COVER TREATED OR UNTREATED METAL SUBSTRATES WITH CATIONIC RESINS. |