AGENT FOR REDUCING OVERALL FRICTION COEFFICIENT OF FILM FOR TERVALENT CHROMATE TREATMENT SOLUTION, TERVALENT CHROMATE TREATMENT SOLUTION, ITS PRODUCTION METHOD, TERVALENT CHROMATE FILM HAVING REDUCED OVERALL FRICTION COEFFICIENT AND ITS PRODUCTION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a technique by which the corrosion resistance of a film obtained by contacting with a treatment solution free from hexavalent chromium and consisting essentially of tervalent chromium on galvanizing and galvannealing is equal to that of the conventional film by chromate treatment essentially consisting of hexavalent chromium, and further, to provide a film whose overall friction coefficient is made equal to or below that of the conventional hexavalent chromate film.;SOLUTION: The agent for reducing the friction coefficient of a film for a tervalent chromium treatment solution comprises a quinoline based compound or a derivative thereof.;COPYRIGHT: (C)2005,JPO&NCIPI