Ink volatilization preventing composition for aqueous ball point

Details Ink volatilization preventing composition for aqueous ball point Ink volatilization preventing composition for aqueous ball point

1993-03-24

1994-09-20

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

106 20R, 523160, 524588, C09D 500, C09D 1100

Patent

active

053489896

ABSTRACT:
The present invention provides an ink volatilization preventing composition for an aqueous ball point pen which is to be put onto the upper surface of an aqueous ink having a viscosity of from 10.sup.-3 to 2 Pa sec (25.degree. C.) in an ink tank of the aqueous ball point pen, said composition being obtained by blending a gelling agent and a polyether-modified silicone with a slightly volatile organic liquid.
This composition can move together with the ink in the ink tank of the ball point pen without reducing the amount of the composition filled at an initial time, so that the prevention effect of the composition volatilization can be maintained until the ink has been all consumed. In consequence, it is not necessary to fill a large amount of the composition, in contrast to a conventional ink back-blow preventer, and thus there is an advantage that the amount of the ink to be filled can be increased as much as a reducible amount of the composition.

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