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Procedures to guide experiments directed to improvement of electrostatic atomization and deposition of organic coatings
Author(s) -
Spiller Lester L.
Publication year - 1965
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1965.070090304
Subject(s) - electrospray , deposition (geology) , materials science , colloid , figure of merit , analytical chemistry (journal) , particle (ecology) , particle size , nanotechnology , mass spectrometry , chemical engineering , chemistry , chromatography , optoelectronics , organic chemistry , paleontology , oceanography , sediment , engineering , biology , geology
Methods are described for determination of particle size D of paint atomized in an electrostatic field and for measurement of band width B and wraparound ratio W of a film pattern produced under standard conditions. A quantitative “figure of merit” F , defined as the ratio BW / D , can be correlated with qualitative aberrations of electrospray efficiency. This quantitative measure provides a more efficient guide to experiments directed toward upgrading electrospray performance of otherwise useful paints. Some examples are cited to demonstrate that incorporation of highly charged colloidal particles have significant effects on electrospray efficiency of paints containing vehicles of low conductivity.