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Application filed by Henkel CorpfiledCriticalHenkel Corp
Publication of MY110647ApublicationCriticalpatent/MY110647A/en
SUBSTANTIALLY IMPROVED RESISTANCE TO SEA WATER CORROSION ALONG WITH ADEQUATE HYDROPHILICITY AND RETENTION OR EVEN IMPROVEMENT OF HYDROPHILICITY AFTER EXPOSURE TO HIGH TEMPERATURE CAN BE PROVIDED ON A METAL SUBSTRATE, PARTICULARLY AN ALUMINUM ALLOY OF THE TYPE USED FOR HEAT EXCHANGER FINS, BY AN AQUEOUS LIQUID HYDROPHILICIZING TREATMENT COMPOSITION CONTAINING POLY {ALKYLENE IMINE} AND ALKALI METAL SILICATE, AND, OPTIONALLY, POLYETHER POLYIOLS. THE HYDROPHILICIZING TREATMENT IS PREFERABLY APPLIED OVER A CONVENTINAL CONVERSION COATING, PARTICULARLY A CHROMIUM PHOSPHATE OR CHROMIUM OXIDE CONVERSION COATING.
MYPI94001193A1993-05-141994-05-12Hydrophilicizeng sealer treatment for metal objects
MY110647A
(en)