Browse Prior Art Database

Liquid Coating Surface Tension Modification Process

IP.com Disclosure Number: IPCOM000113414D
Original Publication Date: 1994-Aug-01
Included in the Prior Art Database: 2005-Mar-27
Document File: 2 page(s) / 19K

Publishing Venue

IBM

Related People

Boll, SE: AUTHOR [+2]

Abstract

Surfaces to be liquid coated with paints, lacquers or other organic conformal coatings can be pretreated with a wash of fine inert particles suspended in a solvent system. Subsequent solvent evaporation leaves a uniform distribution of particles on the surfaces to be liquid coated. Each deposited particle reacts as a high surface tension nucleation site that retains the liquid coating at the location to which it is applied.

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Liquid Coating Surface Tension Modification Process

      Surfaces to be liquid coated with paints, lacquers or other
organic conformal coatings can be pretreated with a wash of fine
inert particles suspended in a solvent system.  Subsequent solvent
evaporation leaves a uniform distribution of particles on the
surfaces to be liquid coated.  Each deposited particle reacts as a
high surface tension nucleation site that retains the liquid coating
at the location to which it is applied.

The disclosed process can be used to overcome the liquid coating
process problems listed below:

1.  Dewetting

2.  Fish Eyes

3.  Coating Build-up and thinning