CN111548679A - Ink paste, recycled ink and preparation method and application thereof - Google Patents
Ink paste, recycled ink and preparation method and application thereof Download PDFInfo
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- CN111548679A CN111548679A CN201910497876.4A CN201910497876A CN111548679A CN 111548679 A CN111548679 A CN 111548679A CN 201910497876 A CN201910497876 A CN 201910497876A CN 111548679 A CN111548679 A CN 111548679A
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- waste residue
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- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000002699 waste material Substances 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000002270 dispersing agent Substances 0.000 claims abstract description 27
- 238000000227 grinding Methods 0.000 claims abstract description 26
- 239000002002 slurry Substances 0.000 claims abstract description 26
- 239000011347 resin Substances 0.000 claims abstract description 20
- 229920005989 resin Polymers 0.000 claims abstract description 20
- 239000000080 wetting agent Substances 0.000 claims abstract description 20
- 239000006229 carbon black Substances 0.000 claims abstract description 19
- 239000002351 wastewater Substances 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 239000000976 ink Substances 0.000 claims description 97
- 239000003795 chemical substances by application Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 14
- 239000002518 antifoaming agent Substances 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 11
- 239000002562 thickening agent Substances 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 238000007796 conventional method Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 239000002966 varnish Substances 0.000 claims description 4
- 239000013049 sediment Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000011161 development Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000009877 rendering Methods 0.000 abstract description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 238000005562 fading Methods 0.000 description 25
- 238000001035 drying Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 8
- 238000003892 spreading Methods 0.000 description 8
- 230000007480 spreading Effects 0.000 description 7
- 239000011521 glass Substances 0.000 description 6
- 239000010802 sludge Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- 229940037003 alum Drugs 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- CKNYEUXAXWTAPK-UHFFFAOYSA-N 4-octoxy-4-oxobutanoic acid Chemical compound CCCCCCCCOC(=O)CCC(O)=O CKNYEUXAXWTAPK-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- -1 auxiliaries Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D17/00—Pigment pastes, e.g. for mixing in paints
- C09D17/004—Pigment pastes, e.g. for mixing in paints containing an inorganic pigment
- C09D17/005—Carbon black
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D17/00—Pigment pastes, e.g. for mixing in paints
- C09D17/001—Pigment pastes, e.g. for mixing in paints in aqueous medium
Abstract
The invention discloses a water-ink color paste, a regenerated ink, and a preparation method and application thereof. The ink color paste comprises the following raw materials in parts by weight: 10-40 parts of grinding resin, 10-40 parts of water, 10-40 parts of waste residue slurry, 1-10 parts of dispersing agent and 20-40 parts of carbon black; the pH value of the waste residue slurry is 8-9, and the raw materials of the waste residue slurry comprise the following components: 88.5-98.5 parts of waste residue, 1-10 parts of dispersing agent and 0.5-1.5 parts of wetting agent. The ink paste can also be used for replacing black paste to prepare the recycled ink. The invention recycles the waste water obtained in the production process of the water-based ink to prepare the corresponding ink color paste and the regenerated ink. The regenerated ink can meet the index requirements of the conventional ink in the aspects of printing adaptability, color development, color rendering property, storage stability, fluidity and the like. The preparation method of the invention greatly reduces the environmental protection pressure, simultaneously reduces the usage amount of the carbon black raw material, and reduces the enterprise cost in many aspects.
Description
Technical Field
The invention relates to a water-ink color paste, a regenerated ink, a preparation method and an application thereof.
Background
At present, the printing adopts water-based ink which is the most environment-friendly printing mode, however, in the production and application processes of the water-based ink, a certain amount of waste water is generated due to the cleaning of equipment and the like. The existing environment-friendly equipment can carry out environment-friendly treatment on the wastewater, although the obtained upper-layer wastewater can be recycled, the lower-layer wastewater can generate sludge or waste residues after flocculation and deposition, and a large amount of sludge or waste residues are treated to increase great burden for enterprises.
For ink and wash production enterprises and printing enterprises, the treatment of sludge or waste residue is drying and reduction treatment as much as possible, so that the sludge or waste residue is converted into solid waste. However, this method not only results in high treatment cost, but also easily causes environmental pollution because the sludge or waste residues contain alkaline substances such as factory daily cleaning soap, washing powder, plate washing liquid, net roller cleaning agent and the like according to the existing wastewater treatment process.
At present, the waste residue obtained by the conventional treatment of the wastewater formed in the production process of the water-based ink in the field is not recycled to produce the regenerated water-based ink, so that the resource waste is caused.
Disclosure of Invention
The invention provides a water-based ink paste, a regenerated ink, a preparation method and application thereof, aiming at overcoming the defects that waste residues obtained by conventional treatment of wastewater in the field in the prior art are not recycled, so that the cost of wastewater treatment is higher, the environment is polluted, the resource is wasted and the like. The method recycles the waste water obtained in the production process of the water-based ink to prepare the corresponding ink color paste and the regenerated ink, thereby not only solving the problem of waste water treatment, but also avoiding resource waste.
The invention solves the technical problems through the following technical scheme.
The invention provides a water and ink color paste which comprises the following raw materials in parts by weight: 10-40 parts of grinding resin, 10-40 parts of water, 10-40 parts of waste residue slurry, 1-10 parts of first dispersing agent and 10-40 parts of carbon black;
the pH value of the waste residue slurry is 8-9, and the raw materials of the waste residue slurry comprise the following components: 88.5-98.5 parts of waste residue, 1-10 parts of second dispersing agent and 0.5-1.5 parts of wetting agent.
In the present invention, the amount of the grinding resin is preferably 15 to 30 parts.
In the present invention, the amount of water is preferably 10 to 30 parts.
In the invention, the amount of the waste residue slurry is preferably 10-60 parts.
In the present invention, the amount of the dispersant is preferably 4 to 6 parts, and more preferably 5 parts.
In the present invention, the amount of the carbon black is preferably 10 to 25 parts.
In the present invention, the amount of the waste residue is preferably 92 to 96 parts, more preferably 94 parts.
In the present invention, the amount of the second dispersant is preferably 3 to 7 parts, and more preferably 5 parts.
In the present invention, the amount of the wetting agent is preferably 0.8 to 1.2 parts, and more preferably 1 part.
In the present invention, the grinding resin can be a grinding resin conventionally used in the field of ink-and-wash paste, for example, an acrylic resin, and in a specific embodiment, a basf J-678 resin.
In the invention, the first dispersant or the second dispersant can be a dispersant conventionally used in the field of ink and water color pastes, and can be, for example, a Yingshangsedi high aid 755W (chemical name DISPERS-755W).
In the invention, the carbon black can be carbon black conventionally used in the field of ink and wash paste.
In the present invention, the waste residue slurry can be prepared by a conventional method in the art, and preferably prepared by the following steps: and adding the second dispersing agent into the waste residue for dispersing, adding the wetting agent to adjust the surface tension, filtering, and adjusting the pH value to 8-9. Wherein the filtration operations and conditions may be those conventional in the art. The pH adjusting agent for adjusting the pH can be conventional in the art and is typically monoethanolamine.
In the invention, the waste residue can be separated from the waste water obtained from the ink production by the conventional method in the field, for example, after the waste water obtained from the ink production is subjected to conventional water recycling treatment, the upper layer water is recycled, and the lower layer sediment is collected; the obtained deposit is obtained after multiple times of water washing, filtering, adsorption, precipitation and separation. The waste residue obtained after separation is typically dried to a solids content of 20-70 wt%, for example 50 wt%.
The wastewater obtained from the ink production generally refers to the wastewater generated in the ink preparation process by the conventional method in the field, such as the wastewater obtained from the ink production process of Anhui Chuan Ding water treatment equipment limited company or Shanghai Xinhua printing company. The waste water contains many kinds of substances, such as pigments (e.g., organic pigments, inorganic pigments, defoaming agents, etc.) in the ink, auxiliaries, tap water, detergents, and the like.
Wherein the operations and conditions of the water washing, the filtering, the adsorbing, the precipitating, the separating, and the drying may be those conventional in the art. The precipitation is generally achieved by adding alum or by adding a coagulant to coagulate the impurities. The adsorption generally refers to the removal of substances floating on the surface of the deposit.
In the present invention, the wetting agent may be a wetting agent conventionally used in the art of ink and wash pastes, such as DISPERS760W digao.
In the invention, the fineness of the ink paste is preferably less than or equal to 15 micrometers, for example, 10-15 micrometers.
In the invention, the ink paste can be prepared by the conventional method in the field.
The invention also provides a preparation method of the ink color paste, which comprises the following steps:
and grinding the mixture of the water, the grinding resin, the waste residue slurry, the first dispersant and the carbon black.
In the present invention, the mixture can be prepared by a method conventional in the art, preferably by any one of the following methods:
the first method is as follows: uniformly dispersing the grinding resin, the waste residue slurry and the dispersing agent into the water in sequence, filtering, and uniformly mixing with the carbon black;
the second method comprises the following steps: uniformly dispersing the paste and the premix, filtering, and uniformly mixing with the carbon black; wherein the paste is a mixture of the waste residue slurry and the water; the premix is a mixture of the grinding resin and the dispersant.
In the first or second mode, the operation and conditions of the dispersion or the mixing may be conventional in the art, and the dispersion may be made uniform by, for example, stirring.
In the present invention, the operation and conditions of the grinding may be those conventional in the art, and for example, the grinding may be performed using a sand mill. The pressure of the sand mill can be 0.02-0.06MPa, and can also be 0.04 MPa. The fineness of the ink color paste obtained after grinding can be less than or equal to 15 mu m.
The invention also provides a recycled ink, which comprises the ink paste.
The invention also provides a regeneration ink which comprises the following raw materials in parts by weight: 40-50 parts of ink mixing oil, 40-50 parts of mixed color paste, 1-3 parts of flatting agent, 0.5-1.5 parts of defoaming agent, 0.5-1.5 parts of base material wetting agent, 0.5-1.5 parts of transfer agent, 0.5-1.5 parts of thickening agent and 2-6 parts of water;
the mixed color paste comprises the ink color paste and the black color paste, wherein the amount of the ink color paste is 0-100%, the amount of the black color paste is 0-100%, the percentages are mass percentages of the components relative to the mixed color paste, and the amount of the ink color paste is not 0.
In the present invention, the amount of the varnish is preferably 45 parts.
In the invention, the amount of the mixed color paste is preferably 45 parts.
In the present invention, the amount of the leveling agent is preferably 2 parts.
In the present invention, the amount of the defoaming agent is preferably 1 part.
In the present invention, the amount of the base wetting agent is preferably 1 part.
In the present invention, the amount of the transfer agent is preferably 1 part.
In the present invention, the thickener is preferably used in an amount of 1 part.
In the present invention, the amount of water used is preferably 4 parts.
In the invention, the consumption of the ink and wash paste can be 10-100%, 20-50% or 80%.
In the present invention, the varnish may be a varnish conventionally used in the field of ink and water, for example, basf 631.
In the present invention, the kind of the leveling agent may be a leveling agent conventionally used in the field of ink and water, for example DISPERS755W digao.
In the present invention, the kind of the defoaming agent may be a defoaming agent conventionally used in the field of ink and water, such as digao 84.
In the present invention, the kind of the substrate wetting agent may be a substrate wetting agent conventionally used in the field of ink and water, such as digadispers 760W.
In the present invention, the kind of the transfer agent may be a transfer agent conventionally used in the field of ink and wash, for example, cyanotot 75.
In the present invention, the thickener may be a thickener conventionally used in the field of ink and water, for example, basf AT 750.
In the invention, the black color paste can be a black color paste which is generally sold in the field, such as black color paste WS-212.
In the present invention, the recycled ink may be mixed by a method conventional in the art.
The invention also provides application of the ink paste in preparation of ink. The ink and wash can replace the black color paste in the ink and wash raw materials wholly or partially.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The reagents and starting materials used in the present invention are commercially available.
The positive progress effects of the invention are as follows:
the invention recycles the waste residue in the waste water of ink production, thereby preparing the corresponding ink color paste and the regenerated ink. The obtained regenerated ink can meet the index requirements of the conventional ink in the aspects of printing adaptability, color development, color rendering property, storage stability, fluidity and the like.
The preparation method of the invention greatly reduces the environmental protection pressure, simultaneously reduces the usage amount of the carbon black raw material, and reduces the enterprise cost in many aspects. The water content of the waste residues required by the invention is not strictly controlled, enterprises do not need to increase sludge drying treatment equipment, and the specific usage amount can be flexibly adjusted according to each batch of waste residues.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention. The experimental methods without specifying specific conditions in the following examples were selected according to the conventional methods and conditions, or according to the commercial instructions.
The materials used in the various examples and comparative examples of the present invention are specifically illustrated as follows:
grinding resin: pasteur J-678 resin
Dispersing agent: yingchuang degaseiti high auxiliary agent 755W (chemical name DISPERS-755W)
Ink mixing oil: basff 631
Black color paste: WS-212
Leveling agent: DISPERS755W di gao
Defoaming agent: digao 84
Substrate wetting agent: DISPERS760W di Gao
Transfer agent: cyatoot 75 octyl succinate sulfonate
Thickening agent: basff AT750 polyurethane
The preparation method of the waste slag and the waste slag slurry used in the embodiments 1-2 is as follows:
(1) obtaining waste residues:
performing conventional water recycling treatment (namely conventional environment-friendly treatment) on wastewater obtained in the ink printing process generated by Anhui Chuanding water treatment equipment Limited, recycling the upper-layer water, and collecting the lower-layer sediment; the obtained deposit is sequentially subjected to water washing, filtering, adsorption, precipitation (generally realized by adding alum or adding a coagulating agent to coagulate impurities) and separation for multiple times to obtain the precipitate. The waste residue obtained after the separation is generally dried to make the solid content in the waste residue be 50 wt%.
(2) Preparing waste slag slurry:
and (3) in a large container, adding 5 wt% of a dispersing agent into 94 wt% of the obtained waste residue for dispersing, adding 1 wt% of a wetting agent for regulating the surface tension, filtering, and regulating the pH value to be 8-9 by using monoethanolamine.
Example 1
(1) Preparing ink color paste:
the raw materials comprise the following components in parts by mass: the dosage of the grinding resin is 30%, the dosage of the water is 30%, the dosage of the waste residue slurry is 10%, the dosage of the dispersing agent is 5%, and the dosage of the carbon black is 25%.
The preparation process comprises the following steps: uniformly dispersing grinding resin into water, slowly adding the waste residue slurry while stirring, wherein the dispersing speed is from slow to fast, the position of a dispersion disc below the liquid surface is from shallow to deep until the waste residue slurry is uniformly dispersed, mixing the waste residue slurry with a dispersing agent, filtering, slowly adding carbon black while stirring, and then grinding, wherein the fineness of the ink-water color paste is 10-15 mu m.
(2) The ink comprises the following raw materials in parts by mass:
45% of ink adjusting oil, 45% of mixed color paste, 2% of flatting agent, 1% of defoaming agent, 1% of base material wetting agent, 1% of transfer agent, 1% of thickening agent and 4% of water; the mixed color paste comprises 50 wt% of the ink color paste in the step (1) and 50 wt% of black color paste sold in the market.
The components are mixed evenly.
Example 2
(1) Preparing ink color paste:
the raw materials comprise the following components in parts by mass: the raw materials comprise the following components in parts by mass: the dosage of the grinding resin is 15%, the dosage of the water is 10%, the dosage of the waste residue slurry is 60%, the dosage of the dispersing agent is 5%, and the dosage of the carbon black is 10%.
The preparation process comprises the following steps:
uniformly dispersing the waste residue slurry into water to obtain a paste, mixing the paste with a premix of grinding resin and a dispersing agent, filtering, adding carbon black, and grinding, wherein the fineness of the ink color paste is 10-15 mu m.
(2) The ink comprises the following raw materials in parts by mass:
45% of ink adjusting oil, 45% of mixed color paste, 2% of flatting agent, 1% of defoaming agent, 1% of base material wetting agent, 1% of transfer agent, 1% of thickening agent and 4% of water; the mixed color paste comprises 80 wt% of the ink color paste in the step (1) and 20 wt% of black color paste sold in the market.
The components are mixed evenly.
Comparative example 1
The ink used in this comparative example was WS-01-four color ink 20190.301 from Wuhan Weishi packaging Co. The ink comprises the following raw materials in parts by mass: 45% of ink adjusting oil, 45% of black color paste, 2% of flatting agent, 1% of defoaming agent, 1% of base material wetting agent, 1% of transfer agent, 1% of thickening agent and 4% of water. Mixing the above materials uniformly.
Effect example 1
The inks obtained in examples 1-2 and comparative example 1 were tested as follows (wherein, the stringometer, Chuien cup BGD126, viscosity cup BGD 124-125-:
color phase detection:
(1) and (5) preparing ink according to a corresponding standard formula.
(2) And (3) performing color development on the single P paper by using a hand developing instrument, wherein the standard sample and the sample are simultaneously and side by side.
(3) And (3) comparing and observing the thickness difference of the ink film between the ink film and the standard sample by naked eyes, adjusting by dripping a proper amount of water if the thickness difference is obvious, re-spreading the color, and comparing and detecting the color difference by using a color difference meter after the thickness is basically consistent.
Detecting viscosity:
(1) the test was performed with a zaien # 3 cup and the stopwatch was zeroed.
(2) And (4) detecting at room temperature in a laboratory, and detecting after the temperature of the sample is reduced to the room temperature after the sample is stored.
(3) The outflow port below the cup is blocked by fingers, and the sample to be measured is poured into the No. 3 cup by taking the pouring of the cup opening as the standard.
(4) The stop watch is pressed while the finger is released, and the stop watch is pressed to stop when the effluent breakpoint is not in line.
(5) And (5) observing whether the cup completely flows, and recording the reading of a stopwatch. And the reading of the flowing-out in the cup at the breakpoint is the viscosity of the measured sample.
③ alcohol-resistant detection:
(1) and (5) ink distribution is carried out according to the corresponding standard.
(2) And (3) spreading the color on the single P paper by using a hand spreading instrument, wherein the size of the color sample is about 4cm multiplied by 20 cm.
(3) Drying at room temperature for more than 12 hours, or drying at 50 ℃ for 1 hour.
(4) The color sample is cut into small pieces of about 1cm2 and placed in a transparent glass bottle.
(5) Adding 70% alcohol, soaking for 30min, and pouring the alcohol into white clean plastic bottle.
(6) In the whole process, the color sample and the glass bottle are kept clean, and the influence on the result caused by other colors is avoided.
(7) And (3) judging standard: level 0 is no fading, level 1 is fading 1% (slight fading), level 2 is fading 2%, level 3 is fading 3% (severe fading).
High temperature resistance detection:
(1) and (5) ink distribution is carried out according to the corresponding standard.
(2) And (4) spreading the color of the standard sample and the sample on the tin foil paper by using a hand spreading instrument at the same time side by side.
(3) Drying at room temperature for more than 12 hours, or drying at 50 ℃ for 1 hour.
(4) The color sample was cut into upper and lower halves, one part was placed in a 200 ℃ incubator, and the other part was placed at room temperature for comparison.
(5) Placing in 200 deg.C incubator for 5min, taking out, comparing with room temperature sample, and comparing fading and discoloration with standard sample.
(6) And (3) judging standard: level 0 is no fading, level 1 is fading 1% (slight fading), level 2 is fading 2%, level 3 is fading 3% (severe fading).
Fifth, anti-wear detection:
(1) and (5) ink distribution is carried out according to the corresponding standard.
(2) The standard sample and the sample were simultaneously developed side by side on a single P sheet with a hand developing instrument, and the size of the color block was about 1.5X 20 cm.
(3) Dried at room temperature for 1 hour.
(4) And respectively cutting off a standard sample and a sample color block, simultaneously placing the sample on an abrasion resistance instrument for detection, and rubbing back and forth for 10 times.
(5) And (3) judging standard: level 0 is no fading, level 1 is fading 1% (slight fading), level 2 is fading 2%, level 3 is fading 3% (severe fading).
Sixthly, the fineness detection is GB/T13217.3-2008.
And measuring the glossiness:
(1) and (5) ink distribution is carried out according to the corresponding standard.
(2) And (3) performing color development on the double-P paper by using a hand developing instrument, wherein the standard sample and the sample are arranged side by side at the same time, and the size of a color block is about 2 multiplied by 5 cm.
(3) Dried at room temperature for 1 hour.
(4) The angle of 85 degrees is selected for detection by a gloss meter.
Testing refractory water:
(1) and (5) ink distribution is carried out according to the corresponding standard.
(2) And (3) spreading the color on the single P paper by using a hand spreading instrument, wherein the size of the color sample is about 4 multiplied by 10 cm.
(3) Drying at room temperature for more than 12 hours, or drying at 50 ℃ for 1 hour.
(4) Cutting the color sample into small pieces of about 1 × 1cm, and placing in a transparent glass bottle filled with tap water, wherein the liquid level is based on completely soaking the color sample paper.
(5) Placing the glass bottle in a constant temperature water bath kettle at 65 ℃ for 15-30min, and pouring the soaked water into a white clean plastic bottle for observation.
(6) In the whole process, the color sample and the glass bottle are kept clean, and the influence on the result caused by other colors is avoided.
(7) And (3) judging standard: level 0 is no fading, level 1 is fading 1% (slight fading), level 2 is fading 2%, level 3 is fading 3% (severe fading).
Ninthly, detecting the mobility:
(1) the sample was placed in a glass beaker, stirred with a spatula, then the spatula was lifted up and the ink was observed for linear drops.
And (3) detection of the color strength of the red:
(1) and (3) spreading the standard sample and the sample color paste on black and white paper by using a 0# silk rod simultaneously and side by side.
(2) Standing at room temperature for about 5min, and detecting color intensity with color difference instrument.
The comparison of the test technical indexes of the ink of examples 1-2 and comparative example 1 is shown in Table 1.
TABLE 1
As shown above, the ink color paste prepared from the ink production wastewater can replace the conventional black color paste to be used for preparing the ink, and the prepared ink has the same properties as the conventional ink.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. The ink paste is characterized by comprising the following raw materials in parts by weight: 10-40 parts of grinding resin, 10-40 parts of water, 10-40 parts of waste residue slurry, 1-10 parts of first dispersing agent and 10-40 parts of carbon black;
the pH value of the waste residue slurry is 8-9, and the raw materials of the waste residue slurry comprise the following components: 88.5-98.5 parts of waste residue, 1-10 parts of second dispersing agent and 0.5-1.5 parts of wetting agent.
2. The ink-jet paste according to claim 1, wherein the amount of the grinding resin is 15 to 30 parts;
and/or the amount of the water is 10-30 parts;
and/or the amount of the waste residue slurry is 10-60 parts;
and/or the amount of the first dispersant is 4-6 parts, preferably 5 parts;
and/or the using amount of the carbon black is 10-25 parts;
and/or the using amount of the waste residue is 92-96 parts, preferably 94 parts;
and/or the amount of the second dispersant is 3-7 parts, preferably 5 parts;
and/or the amount of the wetting agent is 0.8-1.2 parts, preferably 1 part.
3. The ink and wash paste according to claim 1 wherein the waste residue paste is prepared by the steps of: adding the second dispersing agent into the waste residue for dispersing, adding the wetting agent to adjust the surface tension, filtering, and adjusting the pH value;
and/or the waste residue is separated from the waste water obtained in the ink production by the conventional method in the field.
4. The ink and wash paste according to claim 3 wherein said waste residue is obtained by the steps of: after the wastewater obtained from the ink production is subjected to conventional water circulation treatment, the upper layer water is recycled, and the lower layer sediment is collected; the obtained deposit is obtained after multiple times of water washing, filtering, adsorption, precipitation and separation; preferably, the waste residue obtained after separation is dried, so that the solid content in the waste residue is 20-70 wt%, and more preferably 50 wt%;
and/or the fineness of the ink paste is less than or equal to 15 micrometers, such as 10-15 micrometers.
5. The preparation method of the ink-wash paste according to any one of claims 1 to 4, which is characterized by comprising the following steps: and grinding the mixture of the water, the grinding resin, the waste residue slurry, the first dispersant and the carbon black.
6. The method for preparing the ink-wash paste as claimed in claim 5, wherein the grinding is carried out by a sand mill; the pressure of the sand mill is 0.02-0.06MPa, and can also be 0.04 MPa;
and/or, the mixture is prepared by any one of the following modes:
the first method is as follows: uniformly dispersing the grinding resin, the waste residue slurry and the dispersing agent into the water in sequence, filtering, and uniformly mixing with the carbon black;
the second method comprises the following steps: uniformly dispersing the paste and the premix, filtering, and uniformly mixing with the carbon black; wherein the paste is a mixture of the waste residue slurry and the water; the premix is a mixture of the grinding resin and the dispersant.
7. The recycled ink is characterized by comprising the ink paste as claimed in any one of claims 1 to 4 as a raw material.
8. The recycled ink is characterized by comprising the following raw materials in parts by weight: 40-50 parts of ink mixing oil, 40-50 parts of mixed color paste, 1-3 parts of flatting agent, 0.5-1.5 parts of defoaming agent, 0.5-1.5 parts of base material wetting agent, 0.5-1.5 parts of transfer agent, 0.5-1.5 parts of thickening agent and 2-6 parts of water;
the color paste comprises the ink-wash color paste and the black color paste according to any one of claims 1 to 4, wherein the amount of the ink-wash color paste is 0 to 100 percent, the amount of the black color paste is 0 to 100 percent, the percentages are mass percentages of the components relative to the color paste, and the amount of the ink-wash color paste is not 0.
9. The recycled ink of claim 8, wherein the varnish is present in an amount of 45 parts;
and/or 45 parts of mixed color paste;
and/or the using amount of the flatting agent is 2 parts;
and/or the dosage of the defoaming agent is 1 part;
and/or the dosage of the base material wetting agent is 1 part;
and/or the dosage of the transfer agent is 1 part;
and/or the amount of the thickening agent is 1 part;
and/or the amount of the water is 4 parts;
and/or the amount of the ink and wash paste is 10-80%, and can also be 20-50%.
10. The use of the ink paste according to any one of claims 1 to 4 for the preparation of inks.
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| CN102093757A (en) * | 2009-12-14 | 2011-06-15 | 吴江明珠纺织有限公司 | Method for recovering dyes in dyeing waste water |
| CN103224728A (en) * | 2013-04-27 | 2013-07-31 | 浙江工业职业技术学院 | Active dye waste ink recovery method and application of recovered and regenerated ink |
| CN107502035A (en) * | 2017-09-20 | 2017-12-22 | 嘉兴莱斯登水墨有限公司 | Soft version high speed printing black water ink |
| CN108841252A (en) * | 2018-07-06 | 2018-11-20 | 四川建筑职业技术学院 | A kind of label colored materials and preparation method thereof using sludge preparation |
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| CN102093757A (en) * | 2009-12-14 | 2011-06-15 | 吴江明珠纺织有限公司 | Method for recovering dyes in dyeing waste water |
| CN103224728A (en) * | 2013-04-27 | 2013-07-31 | 浙江工业职业技术学院 | Active dye waste ink recovery method and application of recovered and regenerated ink |
| CN107502035A (en) * | 2017-09-20 | 2017-12-22 | 嘉兴莱斯登水墨有限公司 | Soft version high speed printing black water ink |
| CN108841252A (en) * | 2018-07-06 | 2018-11-20 | 四川建筑职业技术学院 | A kind of label colored materials and preparation method thereof using sludge preparation |
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