CN115260824A - Offset printing ink binder for offset printing ink for preventing printed matter from foaming after film covering, offset printing ink and preparation method thereof - Google Patents
Offset printing ink binder for offset printing ink for preventing printed matter from foaming after film covering, offset printing ink and preparation method thereof Download PDFInfo
- Publication number
- CN115260824A CN115260824A CN202210832256.3A CN202210832256A CN115260824A CN 115260824 A CN115260824 A CN 115260824A CN 202210832256 A CN202210832256 A CN 202210832256A CN 115260824 A CN115260824 A CN 115260824A
- Authority
- CN
- China
- Prior art keywords
- offset printing
- printing ink
- foaming
- printed matter
- preventing
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Links
- 238000007645 offset printing Methods 0.000 title claims abstract description 100
- 238000005187 foaming Methods 0.000 title claims abstract description 62
- 239000011230 binding agent Substances 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 24
- 239000002480 mineral oil Substances 0.000 claims abstract description 23
- 235000010446 mineral oil Nutrition 0.000 claims abstract description 23
- 229920005989 resin Polymers 0.000 claims abstract description 16
- 239000011347 resin Substances 0.000 claims abstract description 16
- 235000015112 vegetable and seed oil Nutrition 0.000 claims abstract description 16
- 239000008158 vegetable oil Substances 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 11
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 34
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 34
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 34
- 238000003756 stirring Methods 0.000 claims description 23
- 235000012424 soybean oil Nutrition 0.000 claims description 19
- 239000003549 soybean oil Substances 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 17
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical class [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 13
- 125000005456 glyceride group Chemical group 0.000 claims description 12
- -1 glycerin ester Chemical class 0.000 claims description 12
- 239000002383 tung oil Substances 0.000 claims description 11
- 238000000227 grinding Methods 0.000 claims description 9
- 239000000049 pigment Substances 0.000 claims description 9
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 8
- 239000003921 oil Substances 0.000 claims description 8
- 235000019198 oils Nutrition 0.000 claims description 8
- 239000012752 auxiliary agent Substances 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 7
- 239000003349 gelling agent Substances 0.000 claims description 7
- 238000003475 lamination Methods 0.000 claims description 7
- 235000011187 glycerol Nutrition 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- OSNILPMOSNGHLC-UHFFFAOYSA-N 1-[4-methoxy-3-(piperidin-1-ylmethyl)phenyl]ethanone Chemical compound COC1=CC=C(C(C)=O)C=C1CN1CCCCC1 OSNILPMOSNGHLC-UHFFFAOYSA-N 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 229920002396 Polyurea Polymers 0.000 claims description 2
- 229940083916 aluminum distearate Drugs 0.000 claims description 2
- RDIVANOKKPKCTO-UHFFFAOYSA-K aluminum;octadecanoate;hydroxide Chemical group [OH-].[Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O RDIVANOKKPKCTO-UHFFFAOYSA-K 0.000 claims description 2
- 125000000129 anionic group Chemical group 0.000 claims description 2
- 239000006229 carbon black Substances 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims 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 claims description 2
- 239000002274 desiccant Substances 0.000 claims description 2
- 239000002270 dispersing agent Substances 0.000 claims description 2
- 150000002923 oximes Chemical class 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 239000013053 water resistant agent Substances 0.000 claims description 2
- 239000005011 phenolic resin Substances 0.000 claims 1
- 150000002989 phenols Chemical class 0.000 claims 1
- 238000007639 printing Methods 0.000 abstract description 15
- 239000002994 raw material Substances 0.000 abstract description 15
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 3
- 239000000976 ink Substances 0.000 description 104
- 230000000052 comparative effect Effects 0.000 description 9
- 239000007888 film coating Substances 0.000 description 9
- 238000009501 film coating Methods 0.000 description 9
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 239000003981 vehicle Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 230000005587 bubbling Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002985 plastic film Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 229920006255 plastic film Polymers 0.000 description 3
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001868 water Inorganic materials 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 241000209020 Cornus Species 0.000 description 1
- 244000170916 Paeonia officinalis Species 0.000 description 1
- 235000006484 Paeonia officinalis Nutrition 0.000 description 1
- CLBRCZAHAHECKY-UHFFFAOYSA-N [Co].[Pt] Chemical compound [Co].[Pt] CLBRCZAHAHECKY-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- CEGOLXSVJUTHNZ-UHFFFAOYSA-K aluminium tristearate Chemical compound [Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CEGOLXSVJUTHNZ-UHFFFAOYSA-K 0.000 description 1
- 229940063655 aluminum stearate Drugs 0.000 description 1
- 230000003254 anti-foaming effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010227 cup method (microbiological evaluation) Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- XUFQPHANEAPEMJ-UHFFFAOYSA-N famotidine Chemical compound NC(N)=NC1=NC(CSCCC(N)=NS(N)(=O)=O)=CS1 XUFQPHANEAPEMJ-UHFFFAOYSA-N 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 229940029329 intrinsic factor Drugs 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 239000011787 zinc oxide 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
- C09D11/08—Printing inks based on natural resins
-
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/06—Printing inks based on fatty oils
-
- 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
- C09D11/103—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds of aldehydes, e.g. phenol-formaldehyde resins
Abstract
The invention relates to the technical field of ink printing, and firstly provides an offset printing ink binder for preventing printed matter from foaming after film covering, which comprises the following materials in parts by weight: 45 to 60 portions of vegetable oil, 35 to 50 portions of resin, 5 to 15 portions of mineral oil and 0.5 to 2 portions of gel. Secondly, a preparation method of the offset printing ink binder is provided. And thirdly, providing the offset printing ink for preventing the printed matter from foaming after film covering and a preparation method thereof, wherein the key point of the offset printing ink is to use the offset printing ink binder. The specific components of the raw materials used in the offset printing ink binder are matched and used, and the method for preparing the offset printing ink binder and the offset printing ink provided by the invention is simple to operate and suitable for large-scale production. The offset printing ink prepared from the offset printing ink binder can effectively prevent the phenomenon of foaming of printed matters after film covering.
Description
Technical Field
The invention relates to the technical field of ink printing, in particular to an offset printing ink binder for offset printing ink, which can prevent printed matters from foaming after film covering, the offset printing ink and a preparation method thereof.
Background
With the rapid development of the technical field of sheet-fed offset printing, various exquisite printed matters come into existence in due course, and the post-processing technology of the printed matters is diversified, such as the film-coating technology, and the current common film-coated packaging products comprise paper boxes, hand bags, chemical fertilizer bags, seed bags, adhesive labels and the like. The surface of the printed matter after being coated with the film is provided with a layer of thin and transparent plastic film, so that the surface is smoother, the fastness of the printed matter is improved, the service life of the printed matter is prolonged, and meanwhile, the plastic film plays a role in protection such as water resistance, stain resistance, wear resistance, folding resistance, chemical corrosion resistance and the like. At present, during the processes of cutting, impressing, storing, book covering, corrugating and book stacking after the printed matter is coated with a film, the bubbling phenomenon of sand-grain stripe-shaped, worm-shaped and tortoiseshell-shaped film bulges is easy to occur at the dark tone position of the printing multi-color plate overprinting and the thick and solid ink layer position. It brings great trouble to ink manufacturers and printing manufacturers.
There are many reasons for foaming during ink printing, and the following are the main reasons for ink printing:
(1) External causes of bubble generation: substances such as dust, oil stains and the like are attached to the surface of a printing stock; the ink has bubbles or uneven viscosity during printing; too fast or uneven printing speed.
(2) Bubble generation intrinsic factor: since the ink has a high viscosity and a high surface tension, a solvent such as gasoline in the ink is difficult to escape from the ink film and is retained in the ink layer. If the viscosity of the ink is low and the surface tension of the ink is small, bubbles disappear automatically, so that the phenomenon that ink marks of printed matters bubble does not occur, but the time is long.
Generally, extrinsic causes of foaming may be generated by methods that produce a common defoaming effect across the process, such as: bubbles are easy to generate due to stirring, and a three-roller machine is needed for grinding and defoaming; however, the method is more inherent in offset printing ink, and can prevent bubble generation by adopting a hydrophobic solvent and adding a proper amount of a defoaming agent, but generally, the added solvent remains in the ink and has unpleasant odor, and the added defoaming agent is difficult to degrade and pollutes the environment. Therefore, starting from the raw materials used by the offset printing ink, the method can prevent the offset printing ink from generating foaming in the production process of the printed matter film, can not pollute the environment, is biodegradable, has no toxic and harmful solvents with bad smell, and is safe and environment-friendly, thus being the invaluable hope of people.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the offset printing ink binder for the offset printing ink for preventing the printed matter from foaming after being coated with the film, the used raw materials are easy to obtain, and the prepared offset printing ink has the effect of effectively preventing the printed matter from foaming after being coated with the film when the raw materials are matched with each other.
Another object of the present invention is to provide a method for producing a binder for offset ink, which prevents foaming of a printed matter after coating.
The invention also aims to provide the offset printing ink for preventing the foaming of the printed matter after film coating, and the offset printing ink uses the offset printing ink binder for the offset printing ink for preventing the foaming of the printed matter after film coating, thereby achieving the effect of preventing the foaming of the printed matter after film coating in use.
The fourth purpose of the invention is to provide a preparation method of the offset printing ink for preventing the printed matter from foaming after film covering, which has the advantages of simplicity, short production period, high efficiency and suitability for large-scale production.
In order to realize one of the purposes of the invention, the following technical scheme is provided:
an offset printing ink binder for offset printing ink for preventing foaming of printed matter after film covering comprises the following materials in parts by weight: 45 to 60 parts of vegetable oil, 35 to 50 parts of resin, 5 to 15 parts of mineral oil and 0.5 to 2 parts of gel.
Wherein the vegetable oil is a compound of tung oil and epoxidized soybean oil;
wherein the resin is a compound of rosin glyceride and rosin modified phenolic resin;
wherein the mineral oil is light industrial white oil;
wherein the gelling agent is aluminum distearate.
Preferably, the mass ratio of the tung oil to the epoxidized soybean oil in the vegetable oil is 3:1-2; when the proportion of the two meets the above limit, the prevention of the bubbling of the printed matter after the film coating is further improved.
Preferably, the mass ratio of the rosin glyceride to the rosin modified phenolic resin in the resin is 1:4-5; when the proportion of the two meets the above limit, the prevention of the bubbling of the printed matter after the film coating is further improved.
Furthermore, the epoxidized soybean oil is prepared by taking soybean oil, hydrogen peroxide, acetic acid, ion exchange resin, sodium hydroxide, sodium chloride and water as raw materials and reacting by using an ion exchange resin catalysis method; the epoxidized soybean oil performance parameters were: the color (platinum-cobalt colorimetric) is less than or equal to 170, the epoxy value is more than or equal to 6 percent, the iodine value is less than or equal to 5 percent, the acid value is 0.6mg/g, and the flash point (open cup method) is more than or equal to 280 ℃.
Further, the rosin glycerin ester is prepared by heating a mixture of rosin, glycerol and zinc oxide in a reaction kettle to 220 +/-10 ℃, stirring, continuously heating to 270 +/-10 ℃, slowly heating to 290 +/-10 ℃ within 2 hours (esterification stage), and finally continuously heating to 305 +/-10 ℃ for sampling and testing, wherein the test standard is as follows: color number (Gaster method) 8, softening point (Ring and ball method) 85 ℃, acid value 20mgKOH/g. And cooling and discharging after the sampling test is qualified to obtain a transparent solid substance, namely the rosin glyceride.
Furthermore, the rosin modified phenolic resin has performance test parameters of a softening point (ring and ball method) of 172-182 ℃, a normal heptane content (25 ℃ mL/2 g) of 3-6 mL/g, an acid value of less than or equal to 22mgKOH/g, a color (Gardner color number) of less than or equal to 13 and a viscosity (mpa.s/25 ℃) of 10000-15000.
Further, the mineral oil is colorless, non-fluorescent and transparent light industrial white oil, and the kinematic viscosity (40 ℃) of the mineral oil is 3-5 mm2(ii)/s, density (20 ℃) of 820kg/m3Pour point-8 deg.C, flash point (open) 110 deg.C; the binder has the advantages that the binder has hydrocarbons with different chain lengths, can better dissolve resin, is prepared under the synergistic action of the fully wetted resin, vegetable oil and gel, and has the function of starting up and starting down a printing stock and a plastic film.
Further, the viscosity of the offset printing ink binder is 12-14 when the revolution of a viscometer is 400rpm/min, and the offset printing ink binder is obtained by testing GB/T18723-2002; the viscosity of the ink vehicle is 100000-200000 mpa.s measured at 25 ℃, and the ink vehicle is obtained by GB/T-2013; the ink vehicle has an n-heptane tolerance of 5 to 6ml/g.
In order to achieve the second purpose of the invention, the following technical scheme is provided:
a preparation method of the offset printing ink binder for the offset printing ink for preventing the foaming of the printed matter after film covering comprises the following method steps:
s1, firstly stirring vegetable oil according to the formula amount, heating to 160-180 ℃, adding rosin modified phenolic resin according to the formula amount in batches, stirring and mixing uniformly, heating to 200-210 ℃, and preserving heat for 50-80 minutes to obtain a uniform mixture;
and S2, adding mineral oil in a formula amount into the mixture prepared in the step S1, uniformly mixing, cooling to 100-110 ℃, adding rosin glyceride and a gelling agent in a formula amount, uniformly stirring, heating to 140-150 ℃, and keeping the temperature for 30-60 minutes to prepare the ink binder, namely the offset ink binder for the offset ink for preventing the printed matter from foaming after film covering.
In order to achieve the third purpose of the invention, the following technical scheme is provided:
the offset printing ink for preventing the printed matter from foaming after film covering is characterized by comprising the following materials in parts by weight: 60-80 parts of offset printing ink binder, 1-10 parts of mineral oil, 15-30 parts of pigment and 0.5-5 parts of assistant.
The offset printing ink receiving material is the offset printing ink binder for the offset printing ink, which is used for preventing the printed matter from foaming after being coated with the film.
Further, the mineral oil is light industrial white oil;
further, the pigment is one or a composition of more than two of benzidine yellow, rubine, phthalocyanine blue and carbon black.
Furthermore, the auxiliary agent is one or a combination of more than two of polyethylene wax wear-resistant agent, cobalt iso-octoate drying agent, polyamide polyurea high-molecular oligomer water-resistant agent, oxime antiskinning agent and anionic dispersing agent.
In order to realize the fourth purpose of the invention, the following technical scheme is provided:
a preparation method of offset printing ink for preventing printed matter from foaming after film covering comprises the following preparation method steps:
p1, uniformly stirring the offset printing ink binder and mineral oil according to the formula at the rotating speed of 200-400 rpm, adding the pigment according to the formula, stirring at the rotating speed of 400-600 rpm for 5-10 minutes, and then stirring at the rotating speed of 1000-1200 rpm for 30-60 minutes to obtain a mixture;
and P2, grinding the mixture obtained in the step P1 by using grinding equipment until the fineness is below 15 mu m, adding an auxiliary agent in a formula amount, and uniformly stirring at the rotating speed of 300-500 rpm to obtain a product, namely the offset printing ink for preventing the printed matter from foaming after being coated with the film.
Further, in the step P2, the grinding device is a three-roll grinder.
The offset printing ink has the beneficial effects
Compared with the prior art, the invention has the beneficial effects that:
(1) When the resin is a rosin glyceride and rosin modified phenolic resin which are compounded to serve as the offset printing ink binder, the offset printing ink binder is suitable for preventing the printed matter from foaming after film covering; but when the rosin pentaerythritol ester is used as a printing ink binder instead of rosin glyceride or rosin glyceride and rosin modified phenolic resin, the printed matter is foamed after being coated with a film; when the vegetable oil is a compound of tung oil and epoxy soybean oil, the vegetable oil is suitable to be used as an offset printing ink binder for preventing the printed matter from foaming after being coated with a film; when the tung oil and the soybean oil or the epoxidized soybean oil and the soybean oil or the tung oil and the epoxidized soybean oil are used independently, the printed matter is foamed after being coated with a film; when the gel is replaced by other types of viscose, the foaming phenomenon appears after the film is covered when the printed matter is prepared; when the components of the ink vehicle are not in the set range, the printed matter is subjected to film coating to generate foaming phenomena of different degrees. The formula of the vegetable oil, the resin, the mineral oil and the gelling agent selected by the offset printing ink binder is matched and can not be used, and if any raw material is lacked or replaced, the phenomenon of foaming of the printed matter after film covering can not be effectively prevented.
(2) The preparation method of the offset printing ink binder for preventing the printed matter from foaming after film covering is provided by the invention, the selected raw materials and performance parameters thereof are combined, and the optimal process conditions and parameter range can ensure that the prepared offset printing ink binder has excellent texture and stable performance.
(3) The offset printing ink for preventing the foaming of the printed matter after film covering can prevent the foaming of the printed matter after film covering just by using the offset printing ink binder for preventing the foaming of the printed matter after film covering. In addition, the used raw materials are not toxic or harmful, do not generate unpleasant and toxic gas substances, have biodegradability, and do not destroy ecology to cause environmental pollution.
(4) The preparation method of the offset printing ink for preventing the printed matter from foaming after film covering is simple to operate, short in production period and high in efficiency, and is suitable for large-scale production.
(5) The offset printing ink prepared by the offset printing ink binder for preventing the post-filming foaming of the printed matter is printed by an offset printing machine in the using process, then the conventional film-coated glue is printed, and then the film-coating process can be carried out, so that the obtained printed matter can effectively prevent the post-filming foaming phenomenon of the printed matter. Besides, the offset printing ink can also keep the original color, fluidity, viscosity and fineness.
The offset printing ink provided by the invention is printed on a printing stock through an offset printing press to obtain a printed matter, and the conventional film covering process comprises the following steps: namely, a film is coated on the project printed matter by a coating film or pre-coating film method, and the printed matter without foaming phenomenon can be obtained. In addition, after the offset printing ink is printed, the film covering process is not required to be carried out until a printed matter is completely dried, the whole printing period is shortened, and the printing efficiency is high.
Detailed Description
To better illustrate the objects, aspects and advantages of the present invention, the present invention will be further described with reference to specific examples.
The raw materials and sources used in the examples and comparative examples are as follows:
rosin glycerin ester: 138# available from Jiangxi Hua Jin New materials, inc.
Rosin pentaerythritol ester: 145# was purchased from cornus pauciana resin limited.
Rosin modified phenolic resin: HR-1180 is available from Kai Hai blue chemical Co., ltd.
Tung oil: purchased from Guanhuayuan soil products, inc., in Foshan mountain.
Epoxidized soybean oil: purchased from Shandong Jinnan Yuanxiang chemical Co., ltd.
Mineral oil: from number 7 light industrial white oil, from south China sea petrochemical company Limited.
Soybean oil: from the food and oil industries, inc. of Yihai (Guangzhou).
In the embodiment of the invention, several groups of data are selected to perform experiments according to the weight part range of the material components of the offset printing ink binder for the offset printing ink for preventing the foaming of the printed matter after film covering:
the invention provides an offset printing ink binder for offset printing ink for preventing printed matters from foaming after film covering, which comprises the following materials in parts by weight: 45 to 60 portions of vegetable oil, 35 to 50 portions of resin, 5 to 15 portions of mineral oil and 0.5 to 2 portions of gel.
The invention provides a preparation method of the offset printing ink binder for the offset printing ink for preventing the foaming of the printed matter after film covering, which comprises the following steps:
s1, firstly stirring vegetable oil according to the formula amount, heating to 160-180 ℃, adding rosin modified phenolic resin according to the formula amount in batches, stirring and mixing uniformly, heating to 200-210 ℃, and keeping the temperature for 50-80 minutes to obtain a uniform mixture;
and S2, adding mineral oil in a formula amount into the mixture prepared in the step S1, uniformly mixing, cooling to 100-110 ℃, adding rosin glyceride and a gelling agent in a formula amount, uniformly stirring, heating to 140-150 ℃, and keeping the temperature for 30-60 minutes to prepare the ink binder, namely the offset ink binder for the offset ink for preventing the printed matter from foaming after film covering.
In the present invention, the products of examples 1 to 4 and comparative examples 1 to 9 were prepared strictly according to the above ink vehicles, based on the formulation data of the raw materials in Table 1.
The proportions of the vegetable oil, resin, diluent and gelling agent in each example or comparative example are shown in Table 1.
TABLE 1 tables of raw material usage data of examples and comparative examples
Note: the unit of data in the table is part by mass or part by weight, and the names of the raw materials listed on the upper part of the table are not particularly specified, and the raw materials and the parts by weight thereof in the table are particularly indicated.
The offset printing ink binder is prepared into offset printing ink, and the composition formula and the preparation method of the raw materials are as follows:
the offset printing ink for preventing the printed matter from foaming after film covering is characterized by comprising the following materials in parts by weight: 60-80 parts of offset printing ink binder, 1-10 parts of mineral oil, 15-30 parts of pigment and 0.5-5 parts of assistant.
A preparation method of offset printing ink for preventing printed matter from foaming after film covering comprises the following preparation method steps:
p1, uniformly stirring the offset printing ink binder and mineral oil according to the formula at the rotating speed of 200-400 rpm, adding the pigment according to the formula, stirring at the rotating speed of 400-600 rpm for 5-10 minutes, and then stirring at the rotating speed of 1000-1200 rpm for 30-60 minutes to obtain a mixture;
and P2, grinding the mixture obtained in the step P1 by using grinding equipment until the fineness is below 15 mu m, adding an auxiliary agent in a formula amount, and uniformly stirring at the rotating speed of 300-500 rpm to obtain a product, namely the offset printing ink for preventing the printed matter from foaming after being coated with the film.
And then, according to the formula composition and the preparation method of the offset printing ink binder for preventing the foaming of the printed matter after film coating, the mineral oil, the pigment and the auxiliary agent are added in the same amount for better comparing the performance of the product, so as to prepare the finished product of the offset printing ink.
And (3) performance testing:
the raw materials selected in examples 1 to 4 and comparative examples 1 to 9 and the offset printing ink prepared by the preparation method were subjected to performance test, commercial Shanghai peony 05N environment-friendly non-skinning ink was used as a control group, the test results are shown in Table 2, and the test standards are as follows:
the color is determined according to GB/T14624.1-2009, the disc flow is determined according to GB/T14624.3-2008, the viscosity is determined according to GB/T18723-2002, the fineness is determined according to QB/T2624-2012, and the foaming grade is determined according to GB/T30789.2-2014.
Table 2 sample performance test data results table
Note: (1) The foaming grade is 6 grades, namely 0, 1, 2, 3, 4 and 5 grades, wherein 0 grade is a good grade and 5 grades are poor grades.
(2) The color grades are 9 grades which are respectively 1, 1-2, 2-3, 3-4, 4-5 and 5 grades, wherein 5 grades are excellent grades, and 1 grade is inferior grades.
From the results in table 2, it is clear that the offset printing inks for preventing post-lamination blistering of printed matters prepared in examples 1 to 4 of the method of the present invention can not only maintain the color, the disc fluidity, the viscosity and the fineness similar to those of the commercial offset printing inks, but also more importantly, the offset printing inks for preventing post-lamination blistering of printed matters prepared in examples 1 to 4 can effectively avoid the phenomenon of post-lamination blistering of printed matters.
Compared with the comparative example 1, when the components of the ink vehicle are not in the set range, the printed matter generates foaming phenomenon after being coated with the film; as can be seen from comparative examples 2 to 5, when tung oil and soybean oil or epoxidized soybean oil and soybean oil or tung oil and epoxidized soybean oil were used alone, the level of blistering occurred after the printed matter was coated with a film was reduced by at least two levels; moreover, as can be seen from the example 1 and the comparative example 6, when the gel is changed into other viscose, the printed matter can also generate foaming phenomenon after being coated with the film; and it can be known from the comparison of examples 1-4 with comparative examples 7-9 that when the resin is rosin glyceride and rosin modified phenolic resin which are compounded to be used as the binder of the offset printing ink, the resin is only suitable for being used as the offset printing ink for preventing the bubbling of the printed matter after the film covering; when the rosin pentaerythritol ester is used as a binder of the offset printing ink instead of rosin glycerin ester or rosin glycerin ester and rosin modified phenolic resin, the foaming grade of a printed product after being coated with a film is also directly reduced.
In conclusion, the invention provides an offset printing ink binder, which comprises a compound of tung oil and epoxidized soybean oil, a compound of rosin glyceride and rosin modified phenolic resin, mineral oil and aluminum stearate gel, so that the ink binder has proper viscosity, viscosity and n-heptane content, and shows good affinity, and the offset printing ink for preventing the printed matter from foaming after film covering is prepared, has good fluidity, viscosity and fineness, is printed on the printed matter through an ink fountain, and then is covered on the printed matter through a film covering machine, so that the affinity of a plastic film and the offset printing ink can be improved under the synergistic action, and the printed matter has excellent anti-foaming performance; and the offset printing ink does not need a laminating process after the offset printing ink is dried, so that the printing efficiency is high.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. The offset printing ink binder for the offset printing ink for preventing the foaming of the printed matter after film covering is characterized by comprising the following materials in parts by weight: 45-60 parts of vegetable oil, 35-50 parts of resin, 5-15 parts of mineral oil and 0.5-2 parts of gel;
wherein the vegetable oil is a compound of tung oil and epoxidized soybean oil;
wherein the resin is a compound of rosin glyceride and rosin modified phenolic resin;
wherein the mineral oil is light industrial white oil;
wherein the gelling agent is aluminum distearate.
2. The offset ink binder for offset ink for preventing post-lamination foaming of printed matter according to claim 1, wherein the mass ratio of tung oil to epoxidized soybean oil in the vegetable oil is 3:1 to 2.
3. The offset ink binder for offset ink for preventing foaming after coating of printed matter according to claim 1, wherein the mass ratio of rosin glycerin ester to rosin-modified phenol resin in the resin is 1:4 to 5.
4. A method for preparing the flexographic ink binder for flexographic ink for preventing post-lamination blistering of printed matter according to any one of claims 1 to 3, characterized by comprising the following method steps:
s1, firstly stirring vegetable oil according to the formula amount, heating to 160-180 ℃, adding rosin modified phenolic resin according to the formula amount in batches, stirring and mixing uniformly, heating to 200-210 ℃, and preserving heat for 50-80 minutes to obtain a uniform mixture;
and S2, adding mineral oil in a formula amount into the mixture prepared in the step S1, uniformly mixing, cooling to 100-110 ℃, adding rosin glyceride and a gelling agent in a formula amount, uniformly stirring, heating to 140-150 ℃, and keeping the temperature for 30-60 minutes to prepare the offset printing ink binder, namely the offset printing ink binder for the offset printing ink for preventing the printed matter from foaming after film covering.
5. The offset printing ink for preventing the printed matter from foaming after film covering is characterized by comprising the following materials in parts by weight: 60-80 parts of offset printing ink binder, 1-10 parts of mineral oil, 15-30 parts of pigment and 0.5-5 parts of auxiliary agent;
wherein the offset ink receiving material is the offset ink binder for the offset ink for preventing the foaming of the printed matter after film covering according to any one of claims 1 to 3.
6. The offset ink for preventing post-filming foaming of printed matter as claimed in claim 5, wherein said mineral oil is light industrial white oil.
7. The offset printing ink for preventing post-filming foaming of printed matter as claimed in claim 5, wherein said pigment is one or more of benzidine yellow, rubine, phthalocyanine blue and carbon black.
8. The offset printing ink for preventing the post-lamination foaming of the printed matter as claimed in claim 5, wherein the auxiliary agent is one or more of a polyethylene wax wear-resistant agent, a cobalt iso-octoate drying agent, a polyamide polyurea high molecular oligomer water-resistant agent, an oxime anti-skinning agent and an anionic dispersing agent.
9. The method for preparing the offset ink for preventing the post-filming foaming of the printed matter as claimed in claim 5, wherein the method comprises the following steps:
p1, uniformly stirring the offset printing ink binder and mineral oil according to the formula at the rotating speed of 200-400 rpm, adding the pigment according to the formula, stirring at the rotating speed of 400-600 rpm for 5-10 minutes, and then stirring at the rotating speed of 1000-1200 rpm for 30-60 minutes to obtain a mixture;
and P2, grinding the mixture obtained in the step P1 by using grinding equipment until the fineness is below 15 mu m, adding an auxiliary agent in a formula amount, and uniformly stirring at the rotating speed of 300-500 rpm to obtain a product, namely the offset printing ink for preventing the printed matter from foaming after being coated with the film.
10. The method for preparing offset ink for preventing post-lamination foaming of printed matter according to claim 9, wherein in the step P2, the grinding device is a three-roll grinder.
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| CN110016163A (en) * | 2017-12-14 | 2019-07-16 | 住友橡胶工业株式会社 | Rubber composition for tire and pneumatic tire |
| CN111440082A (en) * | 2020-05-14 | 2020-07-24 | 邵美忠 | Plant oil-based UV resin and pressure-sensitive adhesive |
| CN113637353A (en) * | 2021-09-03 | 2021-11-12 | 杭华油墨股份有限公司 | Ink binder and preparation method and application thereof |
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| CN110016163A (en) * | 2017-12-14 | 2019-07-16 | 住友橡胶工业株式会社 | Rubber composition for tire and pneumatic tire |
| CN111440082A (en) * | 2020-05-14 | 2020-07-24 | 邵美忠 | Plant oil-based UV resin and pressure-sensitive adhesive |
| CN113637353A (en) * | 2021-09-03 | 2021-11-12 | 杭华油墨股份有限公司 | Ink binder and preparation method and application thereof |
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