Dispersed pigmented hot melt ink

Details Dispersed pigmented hot melt ink Dispersed pigmented hot melt ink

1990-05-23

1991-10-01

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 30, 106272, C09D 1112, C08L 916

Patent

active

050530798

ABSTRACT:
In the embodiments described in the specification, a dispersed, pigmented hot melt ink contains a thermoplastic vehicle, a colored pigment, and a dispersing agent to inhibit settling or agglomeration of pigment when the ink is molten comprising an isocyanate-modified microcrystalline wax or lignite wax in an amount of 2 to 100 weight percent of the weight of the vehicle. Preferred is the isocyanate-modified microcrystalline wax marketed as Petrolite WB17.

REFERENCES:
patent: 4272292 (1981-06-01), Mizuno et al.
patent: 4732815 (1988-03-01), Mizobuchi et al.
patent: 4778729 (1988-10-01), Mizobuchi
patent: 4851045 (1989-07-01), Taniguchi
The Condensed Chemical Dictionary, Tenth Ed., Revised by Gessner G. Hawley, pp. 615 and 1094.

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