Pseudoplastic water based ink for ballpoint pen
AssigneeMitsubishi Pencil Company, Limited
InventorYoji Takeuchi
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Abstract
A pseudoplastic water based ink for a ballpoint pen comprising a thickner, a colorant, a dispersing agent, water and a polar solvent, wherein the ink includs sodium dialkyl sulfosuccinate in an amount of from 0.05 to 5% by weight based on the whole amount of ink, or sodium dialkyl sulfosuccinate in an amount of from 0.05 to 3% by weight and a fluorine base surfactant in an amount of from 0.01 to 2% by weight based on the whole amount of ink. The ink can be adoptable to a tip in any condition of the ball diameter, materials and dimensions.
Claims2
A pseudoplastic water based ink for a ballpoint pen comprising a thickener, a colorant, a dispersing agent, water and a polar solvent, wherein the ink includes sodium dialkyl sulfosuccinate in an amount of from 0.05 to 5% by weight based on the whole amount of ink.
A pseudoplastic water based ink for a ballpoint pen comprising a thickener, a colorant, a dispersing agent, water and a polar solvent, wherein the ink includes sodium dialkyl sulfosuccinate in an amount of from 0.05 to 3% by weight and a fluorine base surfactant in an amount of from 0.01 to 2% by weight based on the whole amount of ink.
Dependencies are inferred from the claim text.