Jet drop printing process utilizing a radiation curable ink
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United States of America Patent
Stats
-
Dec 1, 1981
Grant Date -
N/A
app pub date -
Dec 26, 1978
filing date -
Dec 26, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A jet drop printing process utilizing a radiation (UV, electron beam, etc.) curable ink composition. The ink composition includes a low molecular weight multifunctional ethylenically unsaturated material, a low molecular weight monofunctional ethylenically unsaturated material, a reactive synergist, a dye colorant, and an oil soluble salt. A small amount of organic polar solvent and stabilizer may also be included. In addition, when a UV cure is used, a photoinitiator is also added to the mixture. In order to function properly in the jet drop printing process, the ink composition should have a viscosity of less than about 15 centipoise, a resistivity of around 50-5000 ohm-cm, and a surface tension of approximately 20-70 dynes/cm.
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