Compositions – Electrically conductive or emissive compositions
Patent
1983-07-11
1985-07-23
Barr, Josephine L.
Compositions
Electrically conductive or emissive compositions
252518, 427 27, 427393, 427397, 106 34, H01B 100
Patent
active
045307784
ABSTRACT:
A conductive pretreatment solution is disclosed which renders dried wood electrostatically coatable through several coatings while minimizing contamination of the topcoat. The pretreatment solution comprises a volatile liquid carrier selected from water and organic solvents, the carrier having dissolved therein, per 100 parts by volume of total solution, (1) from 0.2 to 3 parts by volume of an organic quaternary ammonium compound having a molecular weight below about 1000, (2) from 0.2 to 10 parts by volume of a low volatile liquid polyol having a molecular weight below about 400, and (3) from 0.1 to 3 parts by weight of an inorganic ionizable salt having a capacity to absorb moisture, especially chlorides of a cation selected from the group consisting of ammonium, magnesium and calcium.
REFERENCES:
patent: 3685959 (1972-08-01), Dunn et al.
patent: 3967011 (1976-06-01), Dunn et al.
patent: 4132674 (1979-01-01), Hwang
patent: 4382105 (1983-05-01), Amundsen et al.
patent: 4454058 (1984-06-01), Savit
Loflin John D.
Nelson Ronald S.
Barr Josephine L.
The Lilly Company
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