Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1979-05-04
1982-01-05
Smith, Ronald H.
Compositions
Water-softening or purifying or scale-inhibiting agents
134 38, 252364, 252DIG8, 252162, 427327, C09D 900, C11D 722
Patent
active
043093000
ABSTRACT:
The surfaces of organic polymeric coatings applied to detail parts or components are subject to contamination and ultraviolet degradation prior to final overcoating procedures. The sources of ultraviolet exposure are light transmission through windows, artificial lighting, or temporary exterior exposure of the detail part coated surface. The ultraviolet light altered surface layer is effectively removed by treatment with a mixture of a glycol ether, an alcohol, a ketone and deionized water, without removing the main body of the coating. This results in good adhesion of a subsequently applied touch-up coating or overcoating. The process can also be used for cleaning metals.
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Danforth Mervin A.
Giles Julian
Nakahara Saburo
Childs S. L.
Geldin Max
McDonnell Douglas Corporation
Smith Ronald H.
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