Cleaning and liquid contact with solids – Processes – Including melting
Patent
1995-04-04
1997-08-05
El-Arini, Zeinab
Cleaning and liquid contact with solids
Processes
Including melting
134 19, 134 26, 134 21, 134 38, 134 40, B08B 308, B08B 504, C23G 100, C23G 502
Patent
active
056538170
ABSTRACT:
A process for the removal of organic materials from the surfaces of drive components, particularly for the removal of meltable organic coatings, fillings or damping materials. The organic material is first melted in a bath of the same or similar organic material and an adhering residual film is diluted and stripped off from the preheated drive component by applying tempered oil thereto. After this, a diluting and striping off of a material film, which essentially consists of oil molecules still adhering to the surface, is conducted by applying an organic cleaning agent, which is free of fluorochlorohydrocarbons and chlorohydrocarbons. Then a post-treatment of the surfaces of the drive component is effected by one or more steps of applying diluted cleaning solutions with intermediate rinsing and/or drying steps, in which the cleaning solutions are increasingly diluted stepwise.
REFERENCES:
patent: 5064487 (1991-11-01), Fourne 134 5
Manier Monika
Schunke Detlev
Thoma Martin
El-Arini Zeinab
MTU Motoren-und Turbinen-Union Munchen GmbH
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