Compositions: coating or plastic – Coating or plastic compositions – Marking
Patent
1997-02-03
1998-07-28
Klemanski, Helene
Compositions: coating or plastic
Coating or plastic compositions
Marking
106 3159, 106 3175, 106 3189, 106 3158, 401209, C09D 1118
Patent
active
057857466
ABSTRACT:
A shear-thinning water-based ball-point pen ink composition comprising from 1% by weight to 35% by weight of a colorant, from 2% by weight to 35% by weight of a water-soluble polar solvent, from 1% by weight to 30% by weight of a nonionic surface active agent having an HLB value within the range of from 8 to 12, and the balance being water and adjusting additives, and having a viscosity within the range of from 25 mPa.s to 160 mPa.s (a value at the number of revolution of 100 rpm in an EM type rotational viscometer, 25.degree. C.) and a shear thinning index within the range of from 0.1 to 0.6; the nonionic surface active agent having a mixed phase comprising a phase standing dispersed in the form of fine particles and a phase standing dissolved in a molecular state.
REFERENCES:
patent: 3941490 (1976-03-01), Anton
patent: 5013361 (1991-05-01), Case et al.
patent: 5281262 (1994-01-01), Saito
Kito Tsutomu
Senga Kuniyuki
Klemanski Helene
The Pilot Ink Co., Ltd.
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