Coating processes – With post-treatment of coating or coating material – Heating or drying
Patent
1996-07-11
1998-06-30
Dudash, Diana
Coating processes
With post-treatment of coating or coating material
Heating or drying
427154, B05D 300
Patent
active
057730911
ABSTRACT:
A method for removing soiling and graffiti markings from a barrier coat previously formed on an underlying surface is provided, wherein the method preserves rather than sacrifices the barrier coat. The method includes applying a solvent system which includes at least one substantially non-toxic organic solvent such as 1-methyl-2-pyrrolidinone to an area of the barrier coat. A method is also provided to improve the resistance of a protective barrier coat to graffiti markings and other soiling over time and thereby facilitate any necessary cleaning of this barrier coat. The improvement in the case of wax coatings is achieved by including in the wax, at least one protective chemical agent selected from the group consisting of wax-soluble/water-insoluble UV light absorbers, wax-soluble/water-insoluble free-radical and peroxy-radical scavengers, and wax-soluble/water-insoluble wax antioxidants.
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Black Robert H.
Perlman Daniel
Brandeis University
Dudash Diana
LandOfFree
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