Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
1998-08-24
2000-08-01
Gupta, Yogendra
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
510254, 510251, 510271, 510371, 510407, 510466, 510432, 427563, 427567, 427568, 427574, 427578, 427583, 427219, 427220, 427387, C11D 318, C11D 936
Patent
active
060967005
ABSTRACT:
A non-chrome process for the pretreatment of substrate surfaces to simultaneously clean them and improve their bonding strength for organic coatings such as adhesives, protective primers, sealants, paints, composites and similar materials conventionally bonded to such substrates, including non-chromated or chromated curable organic resin protective coatings applied directly to bare aluminum substrates. The invention involves the use of novel wipe solvent compositions containing a major volume of an environmentally-safe volatile organic solvent which has a low composite vapor pressure or is otherwise exempt from federal, state or local regulations, and a minor volume of a polyfunctional coupling agent, preferably of the silane type.
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McLaughlin Joanne Swiderski
Weir John Douglas
Anderson Terry J.
Boyer Charles
Gupta Yogendra
Hoch Jr. Karl J.
Northrop Grumman Corporation
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