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Solid inks containing ketone waxes and branched amides

A technology of solid ink and branched chain amide, which is applied in the direction of ink, copying/marking method, printing, etc., can solve the problem of expensive polyethylene wax, and achieve the effect of high polarity, narrow molecular weight distribution, and low manufacturing cost

Inactive Publication Date: 2012-07-04
XEROX CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, distilled polyethylene waxes are more expensive because the distillation operation separates out both the high molecular weight (MW) and low molecular weight fractions of the wax

Method used

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  • Solid inks containing ketone waxes and branched amides
  • Solid inks containing ketone waxes and branched amides
  • Solid inks containing ketone waxes and branched amides

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0157] Example 1 and Comparative Examples 1 and 2. Oil Ink compositions were prepared using the formulations shown in Table 1 below. First, an ink base was prepared by mixing at 110°C by melting and uniformly blending the following components using an overhead stirrer: each individual wax (PE wax A, PE wax B, or ketone wax A); triamide Wax (as described in U.S. Patent No. 6,860,930); Kenamide S-180 (a stearyl stearamide), commercially available from Chemtura Corp.; KE-100 resin (a form of hydroabietic acid (abietic acid) Triglycerides), commercially available from Arakawa Chemical Industries, Ltd.; R12, a polyurethane resin (adduct of three equivalents of stearyl isocyanate and a glycerol-based alcohol, as implemented in U.S. Patent 6,309,453 Prepared as described in Example 4, the entire disclosure of which is incorporated herein by reference); NAUGARD-445 (an antioxidant) obtained from Crompton Corp.; black dye (Savinyl Black NS, available from Clariant); and Disperse Or...

Embodiment 2-5 and

[0168] Examples 2-5 and Comparative Examples 3-4. Ink compositions were prepared in the same manner as in Example 1 and Comparative Examples 1 and 2 above, except that the formulations shown in Table 2 below were used. These ink formulations are cyan in color.

[0169] Formulation and properties of table 2 cyan ink

[0170]

[0171]

[0172] The ink is commercially available in Xerox 8400 printer but at a jetting temperature of about 110°C. Its print quality and image quality results are summarized in Table 3. Comparative Example 5 is a commercially available Xerox 8860 printer's cyan ink, while Comparative Example 6 is a commercially available Xerox Cyan ink for the 8400 printer.

[0173] Table 3 Print Quality and Image Quality Results

[0174]

[0175] For print quality and image quality performance, the inks of Examples 4 and 5 (made from ketone wax) showed better performance with higher smearing compared to Comparative Example 3 (made from polyethylene ...

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Abstract

A solid ink includes an ink vehicle that is solid at room temperature, including a ketone wax and at least one resin selected from a branched amide resin, a branched urea resin, and a branched urethane resin, a colorant, and optional additives.

Description

technical field [0001] The present invention generally relates to solid ink compositions. More particularly, the present invention relates to a solid ink composition comprising a ketone wax and a branched chain amide, urea or urethane resin, a process for preparing such a solid ink, and a process for forming an image using such a solid ink. [0002] related references [0003] U.S. Patent No. 6,117,223 discloses an ink comprising (a) a non-polymeric ketone ink vehicle having a melting point of at least about 60°C, (b) a polyketone hardening component, (c) a colorant, (d) a conductivity enhancer, (e) an optional antioxidant, (f) an optional viscosity modifier which is a non-polymeric carbonate, monoketone or diketone, and (g) An optional ultraviolet absorber. [0004] U.S. Patent No. 6,461,417 discloses an ink comprising (1) an ink carrier: (a) formula CH 3 (CH 2 ) m CO(CH 2 ) n CH 3 (b) alkylaryl ketones wherein m and n represent the number of segments and wherein ea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/12C09D11/10
CPCC09D11/34C09D11/12C09D11/10B41J2/01B41M5/00C09D11/00
Inventor B·吴P·A·王R·R·布里奇曼
Owner XEROX CORP
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