Pressurized roller pens and inks for such pens

Details Pressurized roller pens and inks for such pens Pressurized roller pens and inks for such pens

1986-10-20

1988-12-06

Kight, John

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 22, 106 23, 106 25, 106 30, 401190, 401212, 260DIG38, C09D 1100, C09D 1102, C09D 1116

Patent

active

047893990

ABSTRACT:
A pressurized roller pen includes a thixotropic viscoelastic ink that is a gel at rest, but becomes a thin liquid under the shearing action of the pen's revolving ball-point. This ink includes a polyacrylic resin polymer, at least one highly polar solvent, at least one solvent of low or medium polarity, and colloidal silica, together with pigments, dyes, surfactants and/or pH modifiers.

REFERENCES:
patent: 3425779 (1969-02-01), Fisher et al.

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