CN104497698A - High-performance water-based polyurethane printing ink preparation method - Google Patents
High-performance water-based polyurethane printing ink preparation method Download PDFInfo
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- CN104497698A CN104497698A CN201410684199.4A CN201410684199A CN104497698A CN 104497698 A CN104497698 A CN 104497698A CN 201410684199 A CN201410684199 A CN 201410684199A CN 104497698 A CN104497698 A CN 104497698A
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- 229920002635 polyurethane Polymers 0.000 title claims abstract description 47
- 239000004814 polyurethane Substances 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 238000007639 printing Methods 0.000 title abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000000839 emulsion Substances 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims description 26
- 239000004816 latex Substances 0.000 claims description 21
- 229920000126 latex Polymers 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 13
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 12
- 239000000049 pigment Substances 0.000 claims description 11
- 239000000178 monomer Substances 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 9
- PTBDIHRZYDMNKB-UHFFFAOYSA-N 2,2-Bis(hydroxymethyl)propionic acid Chemical compound OCC(C)(CO)C(O)=O PTBDIHRZYDMNKB-UHFFFAOYSA-N 0.000 claims description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 8
- 239000004743 Polypropylene Substances 0.000 claims description 8
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 8
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- 239000012975 dibutyltin dilaurate Substances 0.000 claims description 8
- 150000002009 diols Chemical class 0.000 claims description 8
- 229920000728 polyester Polymers 0.000 claims description 8
- -1 polypropylene Polymers 0.000 claims description 8
- 229920001155 polypropylene Polymers 0.000 claims description 8
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 8
- 239000000080 wetting agent Substances 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 6
- LFULEKSKNZEWOE-UHFFFAOYSA-N propanil Chemical compound CCC(=O)NC1=CC=C(Cl)C(Cl)=C1 LFULEKSKNZEWOE-UHFFFAOYSA-N 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- NSOXQYCFHDMMGV-UHFFFAOYSA-N Tetrakis(2-hydroxypropyl)ethylenediamine Chemical compound CC(O)CN(CC(C)O)CCN(CC(C)O)CC(C)O NSOXQYCFHDMMGV-UHFFFAOYSA-N 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 238000004945 emulsification Methods 0.000 claims description 4
- 238000005538 encapsulation Methods 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 4
- 230000003472 neutralizing effect Effects 0.000 claims description 4
- 238000010583 slow cooling Methods 0.000 claims description 4
- 239000000243 solution Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 abstract description 5
- 231100000252 nontoxic Toxicity 0.000 abstract description 5
- 230000003000 nontoxic effect Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 238000012856 packing Methods 0.000 abstract description 2
- 238000009459 flexible packaging Methods 0.000 description 5
- 229920006280 packaging film Polymers 0.000 description 4
- 239000012785 packaging film Substances 0.000 description 4
- 239000003981 vehicle Substances 0.000 description 3
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000758 substrate Substances 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
- C08G18/348—Hydroxycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6659—Compounds of group C08G18/42 with compounds of group C08G18/34
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/675—Low-molecular-weight compounds
- C08G18/676—Low-molecular-weight compounds containing the unsaturation at least partially in a non-aromatic carbocyclic ring
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention provides a high-performance water-based polyurethane printing ink preparation method which comprises the following steps: a) material selection and preparation, b) polyurethane emulsion preparation, c) color paste preparation and d) printing ink preparation. The high-performance water-based polyurethane printing ink preparation method is reasonable in process arrangement, and moderate in preparation cost, and the prepared high-performance water-based polyurethane printing ink is safe and non-toxic, and has excellent soft packing film adhesion, good stability, fast drying speed and good film-forming properties.
Description
Technical field
The present invention relates to a kind of preparation method of ink, particularly relate to a kind of preparation method of high-performance water-based polyurethane ink, belong to technical field of ink.
Background technology
Ink is the important materials for printing, and it by printing by pattern, literal table now on the substrate.Ink is generally made up of pigment, low-melting ink vehicle, solvent and auxiliary agent etc., and these uniform composition ground mixing also form the gluey fluid of a kind of stickiness through repeat-rolling.Ink is widely used in the various printings such as books and periodicals, packing and decorating, building decoration, and along with social demand increases, ink kind and output is respective extension and growth also.As the aqueous polyurethane of ink vehicle, good springiness good with its high-low temperature resistant, resistance to embrittlement, rub resistance, strong adhesion, snappiness and the premium properties such as tensile strength is high, be widely used.
In printing-ink, be that the printing-ink of low-melting ink vehicle does not contain volatile organic solvent with it with aqueous polyurethane, safety, nontoxic feature, by a large amount of for the flexible packaging printing in food, medicine, toy for children.At present, for the water-based polyurethane ink of flexible packaging film due to the defect by the aspect such as material formula, preparation technology, there are problems, as: less stable, drying are comparatively slow, film forming properties, particularly sticking power is not high, can not meet the requirement of printing very well.
Summary of the invention
For the demand, the invention provides a kind of preparation method of high-performance water-based polyurethane ink, this preparation method's procedure arrangement is reasonable, preparation cost is moderate, obtained water-based polyurethane ink safety non-toxic, has excellent sticking power, preferably stability, faster drying rate and stronger film forming properties to flexible packaging film.
The present invention is a kind of preparation method of high-performance water-based polyurethane ink, and this preparation method comprises the steps: that a) selection is got the raw materials ready, and b) prepares polyurethane latex, c) prepares mill base, d) prepares ink.
In a preferred embodiment of the present invention, in described step a), the main component of ink raw materials is: polyurethane latex and mill base; The each composition of polyurethane latex and mass percent are: polyester diol 42%, dimethylol propionic acid 28%, BDO 8%, functional monomer 8%, Toluene-2,4-diisocyanate, 4-vulcabond 12%, catalyzer dibutyl tin dilaurate 2%; The each composition of mill base and mass percent are: pigment 38%, polypropylene emulsion 20%, wetting agent 8%, deionized water 34%.
In a preferred embodiment of the present invention, in described step b), preparation process is as follows: first, according to quality proportioning by polyester diol, dimethylol propionic acid, 1,4-butyleneglycol and Toluene-2,4-diisocyanate, 4-vulcabond adds in the reactor of belt stirrer, and adds proper amount of acetone, temperature of reaction kettle is heated to 45 DEG C, 330-350r/min stir speed under react 1-1.2 hour; Then, promote temperature of reaction kettle to 65 DEG C, and add dibutyl tin dilaurate, to stir under speed reaction 2 hours further at 280-300r/min; Then, add vinylformic acid DCPA, temperature of reaction kettle is constant, and fully reaction was cooled to room temperature after 1 hour; Finally, add appropriate triethylamine and carry out neutralizing treatment, the aqueous solution that the mixing solutions after process adds quadrol carries out emulsification, i.e. obtained polyurethane latex.
In a preferred embodiment of the present invention, in described step c), preparation process is: first, by mass percentage by pigment, polypropylene emulsion, wetting agent and deionized water are added into stirred vessel successively, with the stirring velocity uniform stirring 30-35 minute of 360-380r/min; Subsequently, be placed on by mixture on quick wobbler, with the grinding rate of 900-920r/min grinding 3-3.5 hour, obtained fineness is the mill base of 12-14um.
In a preferred embodiment of the present invention, in described step d), process for preparation is as follows: first, according to proportioning, the polyurethane latex of 63%-65% and the mill base of 35%-37% is added into reactor; Then, promote temperature of reaction kettle to 60 DEG C-65 DEG C, and stir 40-45 minute with the speed of 550-560r/min; Then, slow cooling to room temperature, and at room temperature leaves standstill process 2-3 hour; Finally, filter ink and carry out the aftertreatments such as filling, encapsulation.
Present invention is disclosed a kind of preparation method of high-performance water-based polyurethane ink, this preparation method's procedure arrangement is reasonable, preparation cost is moderate, obtained water-based polyurethane ink safety non-toxic, has excellent sticking power, preferably stability, faster drying rate and stronger film forming properties to flexible packaging film.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the process figure of embodiment of the present invention high-performance water-based polyurethane ink preparation method.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Fig. 1 is the process figure of embodiment of the present invention high-performance water-based polyurethane ink preparation method; This preparation method comprises the steps: that a) selection is got the raw materials ready, and b) prepares polyurethane latex, c) prepares mill base, d) prepares ink.
Embodiment 1
The concrete preparation method of the high-performance water-based polyurethane ink that the present invention mentions is as follows:
A) selection is got the raw materials ready, and the main component of ink raw materials is: polyurethane latex and mill base; In polyurethane latex, the percent mass proportioning of each composition is: polyester diol 42%, dimethylol propionic acid 28%, 1,4-butyleneglycol 8%, functional monomer 8%, Toluene-2,4-diisocyanate, 4-vulcabond 12%, catalyzer dibutyl tin dilaurate 2%, its functional monomer is vinylformic acid DCPA monomer, and this monomer is by vinylformic acid and dicyclopentadiene 6:5 Reactive Synthesis in mass ratio; In mill base, the mass percent of each composition is: pigment 38%, polypropylene emulsion 20%, wetting agent 8%, deionized water 34%, pigment by carbon black and phthalocyanine blue in mass ratio 11:2 mixed preparing form;
B) polyurethane latex is prepared, concrete preparation process is as follows: first, according to quality proportioning by polyester diol, dimethylol propionic acid, 1,4-butyleneglycol and Toluene-2,4-diisocyanate, 4-vulcabond adds in the reactor of belt stirrer, and adding proper amount of acetone, temperature of reaction kettle is heated to 45 DEG C, to stir under speed reaction 1.2 hours at 330r/min; Then, promote temperature of reaction kettle to 65 DEG C, and add dibutyl tin dilaurate, to stir under speed reaction 2 hours further at 280r/min; Then, add vinylformic acid DCPA, temperature of reaction kettle is constant, and fully reaction was cooled to room temperature after 1 hour; Finally, add appropriate triethylamine and carry out neutralizing treatment, the aqueous solution that the mixing solutions after process adds quadrol carries out emulsification, i.e. obtained polyurethane latex;
C) prepare mill base, concrete preparation process is: first, and by mass percentage by pigment, polypropylene emulsion, wetting agent and deionized water are added into stirred vessel successively, with the stirring velocity uniform stirring 35 minutes of 360r/min; Subsequently, be placed on by mixture on quick wobbler, grind 3.5 hours with the grinding rate of 900r/min, obtained fineness is the mill base of about 13um;
D) prepare ink, process for preparation is as follows: first, according to proportioning, the polyurethane latex of 63% and the mill base of 37% is added into reactor; Then, promote temperature of reaction kettle to 60 DEG C-62 DEG C, and stir 40 minutes with the speed of 560r/min; Then, slow cooling to room temperature, and at room temperature leaves standstill process 2-3 hour; Finally, filter ink and carry out the aftertreatments such as filling, encapsulation.
Embodiment 2
The concrete preparation method of the high-performance water-based polyurethane ink that the present invention mentions is as follows:
A) selection is got the raw materials ready, and the main component of ink raw materials is: polyurethane latex and mill base; In polyurethane latex, the percent mass proportioning of each composition is: polyester diol 42%, dimethylol propionic acid 28%, 1,4-butyleneglycol 8%, functional monomer 8%, Toluene-2,4-diisocyanate, 4-vulcabond 12%, catalyzer dibutyl tin dilaurate 2%, its functional monomer is vinylformic acid DCPA monomer, and this monomer is by vinylformic acid and dicyclopentadiene 6:5 Reactive Synthesis in mass ratio; In mill base, the mass percent of each composition is: pigment 38%, polypropylene emulsion 20%, wetting agent 8%, deionized water 34%, pigment by carbon black and phthalocyanine blue in mass ratio 11:2 mixed preparing form;
B) polyurethane latex is prepared, concrete preparation process is as follows: first, according to quality proportioning by polyester diol, dimethylol propionic acid, 1,4-butyleneglycol and Toluene-2,4-diisocyanate, 4-vulcabond adds in the reactor of belt stirrer, and adding proper amount of acetone, temperature of reaction kettle is heated to 45 DEG C, to stir under speed reaction 1 hour at 350r/min; Then, promote temperature of reaction kettle to 65 DEG C, and add dibutyl tin dilaurate, to stir under speed reaction 2 hours further at 300r/min; Then, add vinylformic acid DCPA, temperature of reaction kettle is constant, and fully reaction was cooled to room temperature after 1 hour; Finally, add appropriate triethylamine and carry out neutralizing treatment, the aqueous solution that the mixing solutions after process adds quadrol carries out emulsification, i.e. obtained polyurethane latex;
C) prepare mill base, concrete preparation process is: first, and by mass percentage by pigment, polypropylene emulsion, wetting agent and deionized water are added into stirred vessel successively, with the stirring velocity uniform stirring 30 minutes of 380r/min; Subsequently, be placed on by mixture on quick wobbler, grind 3 hours with the grinding rate of 920r/min, obtained fineness is the mill base of about 12um;
D) prepare ink, process for preparation is as follows: first, according to proportioning, the polyurethane latex of 64% and the mill base of 36% is added into reactor; Then, promote temperature of reaction kettle to 64 DEG C-65 DEG C, and stir 42 minutes with the speed of 550r/min; Then, slow cooling to room temperature, and at room temperature leaves standstill process 2-3 hour; Finally, filter ink and carry out the aftertreatments such as filling, encapsulation.
Present invention is disclosed a kind of preparation method of high-performance water-based polyurethane ink, be characterized in: this preparation method's procedure arrangement is reasonable, preparation cost is moderate, obtained water-based polyurethane ink safety non-toxic, has excellent sticking power, preferably stability, faster drying rate and stronger film forming properties to flexible packaging film.
The above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention; the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (5)
1. a preparation method for high-performance water-based polyurethane ink, is characterized in that, this preparation method comprises the steps: that a) selection is got the raw materials ready, and b) prepares polyurethane latex, c) prepares mill base, d) prepares ink.
2. the preparation method of high-performance water-based polyurethane ink according to claim 1, is characterized in that, in described step a), the main component of ink raw materials is: polyurethane latex and mill base; The each composition of polyurethane latex and mass percent are: polyester diol 42%, dimethylol propionic acid 28%, BDO 8%, functional monomer 8%, Toluene-2,4-diisocyanate, 4-vulcabond 12%, catalyzer dibutyl tin dilaurate 2%; The each composition of mill base and mass percent are: pigment 38%, polypropylene emulsion 20%, wetting agent 8%, deionized water 34%.
3. the preparation method of high-performance water-based polyurethane ink according to claim 1, it is characterized in that, in described step b), preparation process is as follows: first, according to quality proportioning by polyester diol, dimethylol propionic acid, BDO and Toluene-2,4-diisocyanate, 4-vulcabond adds in the reactor of belt stirrer, and add proper amount of acetone, temperature of reaction kettle is heated to 45 DEG C, 330-350r/min stir speed under react 1-1.2 hour; Then, promote temperature of reaction kettle to 65 DEG C, and add dibutyl tin dilaurate, to stir under speed reaction 2 hours further at 280-300r/min; Then, add vinylformic acid DCPA, temperature of reaction kettle is constant, and fully reaction was cooled to room temperature after 1 hour; Finally, add appropriate triethylamine and carry out neutralizing treatment, the aqueous solution that the mixing solutions after process adds quadrol carries out emulsification, i.e. obtained polyurethane latex.
4. the preparation method of high-performance water-based polyurethane ink according to claim 1, it is characterized in that, in described step c), preparation process is: first, by mass percentage by pigment, polypropylene emulsion, wetting agent and deionized water are added into stirred vessel successively, with the stirring velocity uniform stirring 30-35 minute of 360-380r/min; Subsequently, be placed on by mixture on quick wobbler, with the grinding rate of 900-920r/min grinding 3-3.5 hour, obtained fineness is the mill base of 12-14um.
5. the preparation method of high-performance water-based polyurethane ink according to claim 1, is characterized in that, in described step d), process for preparation is as follows: first, according to proportioning, the polyurethane latex of 63%-65% and the mill base of 35%-37% is added into reactor; Then, promote temperature of reaction kettle to 60 DEG C-65 DEG C, and stir 40-45 minute with the speed of 550-560r/min; Then, slow cooling to room temperature, and at room temperature leaves standstill process 2-3 hour; Finally, filter ink and carry out the aftertreatments such as filling, encapsulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410684199.4A CN104497698A (en) | 2014-11-25 | 2014-11-25 | High-performance water-based polyurethane printing ink preparation method |
Applications Claiming Priority (1)
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| CN105348913A (en) * | 2015-11-12 | 2016-02-24 | 成都普瑞斯特新材料有限公司 | Environment-friendly water-soluble gravure paper blue ink and preparation method thereof |
| CN106065225A (en) * | 2016-08-17 | 2016-11-02 | 江阴市虹达化工涂料有限公司 | A kind of aqueous polyurethane compound oil ink and preparation method thereof |
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