CN102352569A - Ink-jet ink for water-borne digital printing and production process thereof - Google Patents

Abstract

The invention discloses ink-jet ink for water-borne digital printing and a production process thereof. The ink comprises the following components in weight percentage: 20.0-42.0 percent of monomer, 0.2-0.5 percent of initiator, 1.0-10 percent of dye, 2.0-8.0 percent of pH value control agent, 10.0-25.0 percent of viscosity regulator, 0.2-2.0 percent of surface tension control agent, 0.2-1.0 percent of fungicide and the balance of deionized water. The ink disclosed by the invention is suitable for being printed on cellulose fiber fabrics, protein fiber fabrics, polyester fabrics, polyamide fabrics, polyacrylonitrile fabrics, polypropylene fabrics, polyurethane elastic fiber fabrics, polrvinyl chloride fabrics, vinylon fabrics and blend fabrics thereof, and has good colour firmness and chroma, and simultaneously, a washing process is not needed after the printing is ended, thereby, water resources are saved. The ink prepared by the process disclosed by the invention can be stored for a long time, and is stable in quality, and the technical characteristics, such as stability, printing and the like, of the ink meet the requirements of the light industry stand QB/T 2730-2005 of the People's Republic of China.

Description

A kind of ink-jet ink of waterborne digital stamp and production technology thereof

Technical field

The present invention relates to a kind of waterborne digital printing ink-jet ink made and production technology thereof.

Background technology

Ink-jet printedly in textile industry, used for many years, convenient with its novelty, production procedure short and become the printing in textiles method of a kind of high quality and low cost and ecological, environmental protective.Ink-jet printed field constantly enlarges, and demonstrates good industrial prospect.

Being mainly used in ink-jet printed ink at present is acid dye ink, reactive dye ink, DISPERSE DYES ink and coating ink; Acid dye ink, reactive dye ink, DISPERSE DYES ink have certain selectivity to fabric; And the coating ink almost can be applied to all fabrics, and the stamp mechanism of coating ink is that the parcel through adhesive adheres to and realizes stamp on the fabric.Since be subjected to the influence of granules of pigments, not good with the washing fastness, particularly fastness to wet rubbing of the fabric behind the coating ink stamp.

Summary of the invention

The present invention provides a kind of waterborne digital printing ink-jet ink made in order to solve the deficiency that exists in the prior art, has improved the washing fastness and the fastness to wet rubbing of fabric behind the coating ink stamp.

Another object of the present invention is to provide a kind of production technology of waterborne digital printing ink-jet ink made, can improve the storage life of digit printing ink-jet writing ink, makes the stay in grade of ink.

Technical scheme of the present invention is: a kind of ink-jet ink of waterborne digital stamp, composed of the following components by weight percentage:

Monomer 20.0-42.0%;

Initator 0.2-0.5%;

Dyestuff 1.0-10%;

PH value controlling agent 2.0-8.0%;

Viscosity modifier 10.0-25.0%;

Surface tension controlling agent 0.2-2.0%;

Bactericide 0.2-1.0%;

Its surplus of deionized water.

Preferably: said monomer comprises first monomer and second monomer; Said first monomer is at least a in methyl methacrylate, acrylamide, butyl acrylate, ethyl acrylate, methacrylic acid, styrene, the acrylonitrile, and said second monomer is a kind of in clorox, the bromine water.

Preferably: said initator is an ammonium persulfate.

Preferably: said dyestuff is one or more in C.I. reactive black 5, C.I. reactive black 39, C.I. activity palm fibre 2, C.I. activity palm fibre 11, C.I. reactive blue 49, C.I. reactive blue 14, C.I. reactive blue 72, C.I. active blue 19 8, C.I. reactive red 15, C.I. REACTIVE RED 31, C.I. reactive red 245, C.I. reactive red 495, C.I. reactive red 281, C.I. reactive yellow 95, C.I. REACTIVE YELLOW 18 1, C.I. REACTIVE ORANGE 12, the C.I. REACTIVE ORANGE 13.

Preferably: said pH value controlling agent is at least a in NaOH, triethanolamine, diethanol amine, monoethanolamine, hydrochloric acid, lactic acid, the citric acid.

Preferably: described viscosity modifier is for being selected from one in 1,2 propylene glycol, glycerine, triethylene glycol, the polyvinylpyrrolidone or several.

Preferably: said surface tension controlling agent is one or more in alcohol alcoxylates, the polyether-modified dimethyl silicone polymer surface activating agent.

Preferably: said bactericide is a benzisothiazole ketone.

A kind of production technology of ink-jet ink of waterborne digital stamp comprises step:

(A) part first monomer and deionized water are mixed in the input agitated reactor of back; Under gas shield, stir; The initiator solution of dropping 1/3; Begin to drip remaining initiator solution after being warming up to the 74-76 degree; React and drip remaining first monomer solution after 2 hours; Being warming up to the 78-80 degree reacted 1 hour again; Be cooled to 30 degree dropping second monomers and the reaction of pH value controlling agent 1 hour again; Add pH value controlling agent and regulate the pH value to 9-10; Add dyestuff then and be warming up to 45 degree reactions 1 hour, get mixed solution;

(B) mixed solution is cooled to normal temperature, after adding viscosity modifier, pH value controlling agent, bactericide, surface tension controlling agent mix, filters and obtain end product.

Beneficial effect of the present invention is: ink of the present invention; Be fit to the printing on cellulose fibre, protein fibre, polyester, polyamide, polyacrylonitrile, polypropylene, polyurethane elastomeric fiber, polyvinyl chloride, vinylon fabric and the BLENDED FABRIC thereof; COLOR FASTNESS, look dynamics are all good; Simultaneously after stamp finishes, do not need washing process, practiced thrift water resource.The ink that prepared of the present invention goes out can long preservation, and stay in grade, and technical performances such as its stability, printing meet the requirement of the light industry standard QB/T 2730-2005 of the People's Republic of China (PRC).

The specific embodiment

Below in conjunction with the specific embodiment the present invention is done further explanation, following examples are the preferable mode of embodiment of the present invention, are not used for limiting invention which is intended to be protected.

The production technology of the ink-jet ink of waterborne digital stamp of the present invention; Comprise step: (A) part first monomer and deionized water are mixed in the input agitated reactor of back; Rotating speed is that 300-700r/min stirs 20min under nitrogen protection; The initiator solution of dropping 1/3; Begin to drip remaining initiator solution after being warming up to the 74-76 degree; React and drip remaining first monomer solution after 2 hours; Be warming up to the 78-80 degree and reacted again 1 hour, be cooled to 30 degree dropping second monomers and the reaction of pH value controlling agent 1 hour again.Add pH value controlling agent and regulate the pH value to 9-10.Add dyestuff and be warming up to 45 degree reactions 1 hour, get mixed solution.

(B) mixed solution is cooled to normal temperature, adds viscosity modifier, after pH value controlling agent, bactericide, surface tension controlling agent mix, after 1 micron, 0.45 micron and 0.22 micron filtration, obtain end product successively.

Embodiment 1

17% butyl acrylate, 10% styrene, 4% methacrylic acid, 8% acrylamide, 0.5% ammonium persulfate, 3% clorox, 5% NaOH, 10%C.I. reactive black 39 are set by step after (A) said method hybrid reaction; Add lactic acid 3%, 1; 2-propylene glycol 10%, BYK-345 (Bi Ke chemistry) 0.2%, benzisothiazole ketone 0.5%; After mixing, after 1 micron, 0.45 micron and 0.22 micron filtration, obtain the waterborne digital printing ink-jet ink made successively.

Embodiment 2

17% butyl acrylate, 10% methyl methacrylate, 4% methacrylic acid, 8% acrylamide, 0.5% ammonium persulfate, 3% clorox, 5% NaOH, 6%C.I. reactive blue 72 are by after (A) said method hybrid reaction; Add hydrochloric acid 1%, glycerine 15%, BYK-345 (Bi Ke chemistry) 0.5%, benzisothiazole ketone 0.5%; After mixing, after 1 micron, 0.45 micron and 0.22 micron filtration, obtain the waterborne digital printing ink-jet ink made successively.

Embodiment 3

12% butyl acrylate, 15% ethyl acrylate, 5% methacrylic acid, 7% acrylamide, 0.4% ammonium persulfate, 3% bromine water, 3% NaOH, 10%C.I. reactive red 245 are by after (A) said method hybrid reaction; Add triethanolamine 0.5%, glycerine 15%, BYK-348 (Bi Ke chemistry) 0.5%, benzisothiazole ketone 1.0%; After mixing, after 1 micron, 0.45 micron and 0.22 micron filtration, obtain the waterborne digital printing ink-jet ink made successively.

Embodiment 4

During 14% butyl acrylate, 13% acrylonitrile, 5% methacrylic acid, 7% acrylamide, 0.4% ammonium persulfate, 3% bromine water, 3% NaOH, 5%C.I. reactive yellow 95 are pressed after (A) said method hybrid reaction; Add lactic acid 1%, pyrrolidones 2%, glycerine 10%, BYK-345 (Bi Ke chemistry) 1.0%, benzisothiazole ketone 1.0%; After mixing, after 1 micron, 0.45 micron and 0.22 micron filtration, obtain the waterborne digital printing ink-jet ink made successively.

Embodiment 5

6% ethyl acrylate, 7% methyl methacrylate, 2% methacrylic acid, 4% acrylamide, 0.2% ammonium persulfate, 1% bromine water, 1% NaOH, 1.0%C.I. reactive blue 72 are by after (A) said method hybrid reaction; Add citric acid 1%, 1; 2-propylene glycol 25%, EH-6 (DOW Chemical) 1.0%, benzisothiazole ketone 0.2%; After mixing, after 1 micron, 0.45 micron and 0.22 micron filtration, obtain the waterborne digital printing ink-jet ink made successively.

Embodiment 6

9% ethyl acrylate, 7% styrene, 3% methacrylic acid, 5% acrylamide, 0.2% ammonium persulfate, 1% bromine water, 1% NaOH, 1.2%C.I. REACTIVE RED 31 are by after (A) said method hybrid reaction; Add citric acid 1%, 1; 2-propylene glycol 25%, BYK-348 (Bi Ke chemistry) 1.0%, benzisothiazole ketone 0.2%; After mixing, after 1 micron, 0.45 micron and 0.22 micron filtration, obtain the waterborne digital printing ink-jet ink made successively.

Wherein BYK-345 and BYK-348 (Bi Ke chemistry) are polyether-modified dimethyl silicone polymer surface activating agent, and EH-6 (DOW Chemical) is the isomery fatty alcohol alkoxy compound, is alkoxylate alcohols surfactant.

The ink-jet ink of waterborne digital stamp of the present invention may be used on minute-pressure electricity, heat foamable printer; Stay in grade can store for a long time, meets the light industry standard QB/T 2730-2005 of the People's Republic of China (PRC), and test result is following:

The ink-jet ink of the waterborne digital stamp of gained is in Japanese ROLAND RJ 740 printer prints; Embodiment 1, embodiment 2, embodiment 3 are on polyester cotton; Embodiment 4, embodiment 5 print on acrylic fibers; Embodiment 6 prints the pure color color lump respectively on dacron; After the 105 degree oven dry; 150 degree bake 5min, test each item COLOR FASTNESS then and all meet national ecological textile specification requirement standard GB/T18885-2009, and test result is following:

Claims (9)

1. the ink-jet ink of a waterborne digital stamp is characterized in that: composed of the following components by weight percentage:

Monomer 20.0-42.0%;

Initator 0.2-0.5%;

Dyestuff 1.0-10%;

PH value controlling agent 2.0-8.0%;

Viscosity modifier 10.0-25.0%;

Surface tension controlling agent 0.2-2.0%;

Bactericide 0.2-1.0%;

Its surplus of deionized water.

2. the ink-jet ink of waterborne digital stamp according to claim 1; It is characterized in that: said monomer comprises first monomer and second monomer; Said first monomer is at least a in methyl methacrylate, acrylamide, butyl acrylate, ethyl acrylate, methacrylic acid, styrene, the acrylonitrile, and said second monomer is a kind of in clorox, the bromine water.

3. the ink-jet ink of waterborne digital stamp according to claim 1 is characterized in that: said initator is an ammonium persulfate.

4. the ink-jet ink of waterborne digital stamp according to claim 1 is characterized in that: said dyestuff is one or more in C.I. reactive black 5, C.I. reactive black 39, C.I. activity palm fibre 2, C.I. activity palm fibre 11, C.I. reactive blue 49, C.I. reactive blue 14, C.I. reactive blue 72, C.I. active blue 19 8, C.I. reactive red 15, C.I. REACTIVE RED 31, C.I. reactive red 245, C.I. reactive red 495, C.I. reactive red 281, C.I. reactive yellow 95, C.I. REACTIVE YELLOW 18 1, C.I. REACTIVE ORANGE 12, the C.I. REACTIVE ORANGE 13.

5. the ink-jet ink of waterborne digital stamp according to claim 1 is characterized in that: said pH value controlling agent is at least a in NaOH, triethanolamine, diethanol amine, monoethanolamine, hydrochloric acid, lactic acid, the citric acid.

6. the ink-jet ink of waterborne digital stamp according to claim 1 is characterized in that: described viscosity modifier is for being selected from one in 1,2 propylene glycol, glycerine, triethylene glycol, the polyvinylpyrrolidone or several.

7. the ink-jet ink of waterborne digital stamp according to claim 1 is characterized in that: said surface tension controlling agent is one or more in alcohol alcoxylates, the polyether-modified dimethyl silicone polymer surface activating agent.

8. the ink-jet ink of waterborne digital stamp according to claim 1 is characterized in that: said bactericide is a benzisothiazole ketone.

9. the production technology of the ink-jet ink of a waterborne digital stamp is characterized in that: comprise step:

(A) part first monomer and deionized water are mixed in the input agitated reactor of back; Under gas shield, stir; The initiator solution of dropping 1/3; Begin to drip remaining initiator solution after being warming up to the 74-76 degree; React and drip remaining first monomer solution after 2 hours; Being warming up to the 78-80 degree reacted 1 hour again; Be cooled to 30 degree dropping second monomers and the reaction of pH value controlling agent 1 hour again; Add pH value controlling agent and regulate the pH value to 9-10; Add dyestuff then and be warming up to 45 degree reactions 1 hour, get mixed solution;

(B) mixed solution is cooled to normal temperature, after adding viscosity modifier, pH value controlling agent, bactericide, surface tension controlling agent mix, filters and obtain end product.