Ink set having mix color gloss uniformity

Patent metadata

Field	Value
Publication number	US-9238746-B2
Application number	US-201013880851-A
Country	US
Kind code	B2
Filing date	Oct 22, 2010
Priority date	Oct 22, 2010
Publication date	Jan 19, 2016
Grant date	Jan 19, 2016

Abstract

The present disclosure provides ink sets and related methods mix color gloss uniformity. The ink set can include a black ink with a black pigment having a particle size of about 14 nm to about 16 nm, a DBP absorption of about 80 ml/100 g to about 350 ml/100 g, and a BET surface area of about 160 m 2 /g to about 1600 m 2 /g. The ink set can also include pigmented magenta ink, pigmented cyan ink, and pigmented yellow ink. As a whole, the ink set can have a mix color gloss uniformity of at least 7.

First claim

What is claimed is:

1. An ink set having mix color gloss uniformity, comprising:
a black ink including a black pigment, the black pigment having a particle size of about 14 nm to about 16 nm, a DBP absorption of about 80 ml/100 g to about 350 ml/100 g, and a BET surface area of about 160 m2/g to about 1600 m2/g;
a magenta ink including a magenta pigment;
a cyan ink including a cyan pigment; and
a yellow ink including a yellow pigment,
wherein the ink set has a mix color gloss uniformity of at least 7 when printed by mixing each of the magenta ink, cyan ink, and yellow ink with the black ink at a 1:1 weight ratio.

2. The ink set of claim 1 , wherein the black pigment has a DBP absorption of about 80 ml/100 g to about 130 ml/100 g.

3. The ink set of claim 1 , wherein the black pigment has a BET surface area of about 160 m2/g to about 350 m2/g.

4. The ink set of claim 1 , wherein the ink set provides an image having a haze of less than 450.

5. The ink set of claim 1 , wherein the black pigment is a carbon black pigment.

6. The ink set of claim 1 , wherein the magenta ink is a light magenta ink.

7. The ink set of claim 1 , wherein the mix color gloss uniformity is at least 9.

8. The ink set of claim 1 , wherein the mix color gloss uniformity is at least 11.

9. The ink set of claim 1 , wherein the black ink includes an ink vehicle that is the same as an ink vehicle from one of the cyan ink, the magenta ink, and the yellow ink.

10. The ink set of claim 1 , wherein the black ink includes an ink vehicle that is different than ink vehicles from the cyan ink, the magenta ink, and the yellow ink.

11. The ink set of claim 1 , wherein the cyan ink is a light cyan ink.

12. The ink set of claim 1 , wherein the magenta ink is a light magenta ink, and wherein the cyan ink is a light cyan ink.

13. A method of manufacturing an ink set, comprising:
formulating a magenta ink by admixing a first ink vehicle with a magenta pigment;
formulating a cyan ink by admixing a second ink vehicle with a cyan pigment; and
formulating a yellow ink by admixing a third ink vehicle with a yellow pigment;
formulating a black ink by admixing a fourth ink vehicle with a black pigment, the black pigment having a particle size of about 14 nm to about 16 nm, a DBP absorption of about 80 ml/100 g to about 350 ml/100 g, and a BET surface area of about 160 m2/g to about 1600 m2/g,
wherein the ink set is formulated to have a mix color gloss uniformity of at least 7 when printed by mixing each of the magenta ink, cyan ink, and yellow ink with the black ink at a 1:1 weight ratio.

14. The method of claim 13 , wherein the black pigment has a DBP absorption of about 80 ml/100 g to about 130 ml/100 g, a BET surface area of about 160 m2/g to about 350 m2/g, and the ink set provides an image having a haze of less than 450.

15. The method of claim 13 , wherein the mix color gloss uniformity is at least 9.

16. A method of generating an image with mix color gloss uniformity, comprising:
matching a black ink with a magenta ink, a cyan ink, and a yellow ink to form the ink set with a mix color gloss uniformity of at least 7; and
ink jet printing a color image by mixing the black ink with each of the magenta ink, the cyan ink, and the yellow ink.

17. The method of claim 16 , wherein the black ink includes a black pigment having a particle size of about 14 nm to about 16 nm, a DBP absorption of about 80 ml/100 g to about 350 ml/100 g, and a BET surface area of about 160 m2/g to about 1600 m2/g.

18. An ink set having mix color gloss uniformity, comprising:
a black ink including a black pigment, the black pigment having a particle size of about 14 nm to about 16 nm, a DBP absorption of about 80 ml/100 g to about 350 ml/100 g, and a BET surface area of about 160 m2/g to about 1600 m2/g;
a magenta ink including a magenta pigment;
a cyan ink including a cyan pigment; and
a yellow ink including a yellow pigment,
wherein the ink set has a mix color gloss uniformity of at least 7, and wherein at least one of the magenta ink is a light magenta ink, the cyan ink is a light cyan ink, or both the magenta ink is a light magenta ink and the cyan ink is a light cyan ink.

19. The ink set of claim 18 , wherein the black ink includes an ink vehicle that is the same as an ink vehicle from one of the cyan ink, the magenta ink, and the yellow ink.

20. The ink set of claim 18 , wherein the black ink includes an ink vehicle that is different than ink vehicles from the cyan ink, the magenta ink, and the yellow ink.

Assignees

• Guo Dennis Z
• Bi Yubai
• Hewlett Packard Development Co

Inventors

• Guo Dennis Z
• Bi Yubai

Classifications

• B41J2/2107

  characterised by the ink properties (supplying ink in a solid state B41J2/17593) · CPC title

• B41J2/21

  for multi-colour printing · CPC title

• C09D11/324

  containing carbon black · CPC title

• B41J2/211

  Mixing of inks, solvent or air prior to paper contact · CPC title

• C09D11/40 Primary

  Ink-sets specially adapted for multi-colour inkjet printing · CPC title