Coating processes – With post-treatment of coating or coating material – Liquid extraction of coating constituent or cleaning coating
Patent
1994-09-30
1995-11-14
Lusignan, Michael
Coating processes
With post-treatment of coating or coating material
Liquid extraction of coating constituent or cleaning coating
427354, 427384, B05D 302
Patent
active
054664870
ABSTRACT:
A chemically adsorbed monomolecular or a laminated monomolecular film comprising a monomolecular film formed on said substrate surface by covalent S-bonds is disclosed. For example, the covalent S-bond is selected of a group consisting of --(S.dbd.O)-- and --(O.dbd.S.dbd.O)--. A method of producing a chemical adsorption film comprising; contacting a substrate containing hydroxl groups present on the surface with a non-aqueous solvent containing a material having a thionyl halide group or sulfuryl haloride group; removing unreacted surface active material remaining on the substrate by washing the substrate with a non-aqueous organic solution for making monomolecular a precursor film; reacting unreacted surface active material remaining on the adsorbed monomolecular precursor film with water; and drying the adsorbed monomolecular film is also disclosed. Further, a method of producing a laminated chemical adsorption film comprising laminating a monomolecular adsorption film by repeating the above steps is disclosed.
REFERENCES:
patent: 4431263 (1984-02-01), Garito
patent: 4539061 (1985-09-01), Sagiv
patent: 4830952 (1989-05-01), Penner et al.
European Search Report dated Nov. 11, 1992.
Mino Norihisa
Ogawa Kazufumi
Ohtake Tadashi
Lusignan Michael
Matsushita Electric - Industrial Co., Ltd.
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