Fremgangsmåde og middel til aluminiumovertrækning
The invention is a composition and method for treating aluminum. The composition comprises phosphonic acid, fluorozirconic acid, fluorotitanic acid, fluorohafnic acid, or fluorosilicic acid and a Mannich adduct of an polyalkenyl phenol or tannin. The aluminum is treated by contact with the compositi...
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Main Author | |
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Format | Patent |
Language | Danish |
Published |
14.11.1994
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Edition | 5 |
Subjects | |
Online Access | Get full text |
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Summary: | The invention is a composition and method for treating aluminum. The composition comprises phosphonic acid, fluorozirconic acid, fluorotitanic acid, fluorohafnic acid, or fluorosilicic acid and a Mannich adduct of an polyalkenyl phenol or tannin. The aluminum is treated by contact with the composition. An inorganic-organic conversion coating is applied to the aluminum in a single step. |
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Bibliography: | Application Number: DK19900906534T |