CN117567899A - Water-based water transfer cover oil and preparation method thereof - Google Patents
Water-based water transfer cover oil and preparation method thereof Download PDFInfo
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- CN117567899A CN117567899A CN202311539101.1A CN202311539101A CN117567899A CN 117567899 A CN117567899 A CN 117567899A CN 202311539101 A CN202311539101 A CN 202311539101A CN 117567899 A CN117567899 A CN 117567899A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 145
- 238000012546 transfer Methods 0.000 title claims abstract description 67
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 42
- 239000000839 emulsion Substances 0.000 claims abstract description 34
- 239000008367 deionised water Substances 0.000 claims abstract description 25
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 claims abstract description 22
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 19
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 19
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229920002635 polyurethane Polymers 0.000 claims abstract description 17
- 239000004814 polyurethane Substances 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 238000010023 transfer printing Methods 0.000 claims abstract description 13
- 239000003921 oil Substances 0.000 claims description 73
- 238000003756 stirring Methods 0.000 claims description 61
- 239000013067 intermediate product Substances 0.000 claims description 33
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 239000003755 preservative agent Substances 0.000 claims description 19
- 239000011347 resin Substances 0.000 claims description 19
- 229920005989 resin Polymers 0.000 claims description 19
- 239000000080 wetting agent Substances 0.000 claims description 19
- 230000002335 preservative effect Effects 0.000 claims description 16
- 239000002518 antifoaming agent Substances 0.000 claims description 13
- 239000002562 thickening agent Substances 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000007865 diluting Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000013530 defoamer Substances 0.000 claims description 3
- 238000010979 pH adjustment Methods 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims 2
- 239000013538 functional additive Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 239000002904 solvent Substances 0.000 description 11
- 238000012360 testing method Methods 0.000 description 9
- 239000003973 paint Substances 0.000 description 5
- 239000012855 volatile organic compound Substances 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 4
- 231100000331 toxic Toxicity 0.000 description 4
- 230000002588 toxic effect Effects 0.000 description 4
- 238000007639 printing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- QWXYZCJEXYQNEI-OSZHWHEXSA-N intermediate I Chemical compound COC(=O)[C@@]1(C=O)[C@H]2CC=[N+](C\C2=C\C)CCc2c1[nH]c1ccccc21 QWXYZCJEXYQNEI-OSZHWHEXSA-N 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
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- 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
- C09D11/033—Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
-
- 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
- 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
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Printing Methods (AREA)
Abstract
The invention discloses water-based water transfer printing cover oil and a preparation method thereof, wherein the water-based water transfer printing cover oil comprises the following raw materials in parts by mass: 30-40 parts of aqueous acrylic emulsion, 30-40 parts of aqueous polyurethane emulsion, 20-30 parts of aqueous alkali-soluble acrylic resin, 5-10 parts of deionized water and 5.6-11.5 parts of functional auxiliary agent. According to the water-based water transfer printing cover oil, the VOC emission is extremely low on the premise of ensuring that the tensile property of the water transfer printing cover oil is excellent, and the production and the use safety of the water transfer printing cover oil can be effectively improved. In addition, a preparation method of the water-based water transfer cover oil is also provided, and the preparation method is simple in steps and high in operability, and is beneficial to simplifying the production process on the premise of ensuring the tensile property.
Description
Technical Field
The invention relates to the technical field of ink, in particular to water-based water transfer cover oil and a preparation method thereof.
Background
The water transfer cover oil is used for fixing the patterns on the water transfer paper so as to facilitate the transfer of the patterns to printing stock such as ceramics.
The oily paint is replaced by the water paint, and the development of green environment-friendly water paint is a necessary trend.
In solvent-based paints, the solvents and adjuvants used mainly contain volatile organic compounds, which, when volatilized into the air, tend to cause environmental pollution. The water-based paint uses water to replace volatile organic compounds as a solvent, so that the influence on the environment is greatly reduced, the production environment can be improved, and the production safety is improved.
The conventional water transfer cover oil has a toxic and highly polluting aromatic hydrocarbon as a solvent, so that there is a need for an aqueous water transfer cover oil which has excellent performance and is free from volatilization of organic solvents which are harmful to human health during construction.
Disclosure of Invention
The invention aims to provide water-based water transfer cover oil, which has extremely low VOC emission on the premise of ensuring excellent tensile property of the water transfer cover oil, and can effectively improve the production and use safety of the water transfer cover oil so as to overcome the defects in the prior art.
The invention further aims to provide a preparation method of the water-based water transfer cover oil, which has the advantages of simple steps and strong operability, and is beneficial to simplifying the production process on the premise of ensuring the tensile property.
To achieve the purpose, the invention adopts the following technical scheme:
the water-based water transfer cover oil comprises the following raw materials in parts by mass: 30-40 parts of aqueous acrylic emulsion, 30-40 parts of aqueous polyurethane emulsion, 20-30 parts of aqueous alkali-soluble acrylic resin, 5-10 parts of deionized water and 5.6-11.5 parts of functional auxiliary agent.
Preferably, the functional auxiliary agents comprise defoamers, thickeners, film forming aids, pH adjusting aids, mildew-proof preservatives, wetting agents and leveling agents.
Preferably, the material comprises the following raw materials in parts by weight: 30-40 parts of aqueous acrylic emulsion, 30-40 parts of aqueous polyurethane emulsion, 20-30 parts of aqueous alkali-soluble acrylic resin, 5-10 parts of deionized water, 0.5-1 part of defoamer, 1-3 parts of thickener, 3-5 parts of film forming auxiliary agent, 0.3-0.5 part of pH regulating auxiliary agent, 0.3-1 part of mildew-proof preservative, 0.3-0.5 part of wetting agent and 0.2-0.5 part of flatting agent.
Preferably, the solid content of the aqueous acrylic emulsion is 45-50%, the solid content of the aqueous polyurethane emulsion is 40-45%, and the solid content of the aqueous alkali-soluble acrylic resin is 35-40% according to mass percentage.
The preparation method of the water-based water transfer cover oil is used for preparing the water-based water transfer cover oil and comprises the following steps of:
A. stirring the formula amount of the aqueous acrylic emulsion, the aqueous polyurethane emulsion and the aqueous alkali-soluble acrylic resin to obtain mixed resin;
B. diluting the defoaming agent, the film forming auxiliary agent, the mildew-proof preservative, the wetting agent and the leveling agent in the formula amount by using part of deionized water in the formula amount, and stirring the diluted defoaming agent, the film forming auxiliary agent, the mildew-proof preservative, the wetting agent and the leveling agent with the mixed resin in the step A to obtain an intermediate product I;
C. adjusting the pH value of the intermediate product I by using the formula amount of pH adjusting auxiliary agent, and then stirring the formula amount of thickening agent and the intermediate product I after the pH value is adjusted to obtain an intermediate product II;
D. and C, uniformly mixing the rest deionized water in the formula amount with the intermediate product II in the step C to obtain the water-based water transfer printing cover oil.
Preferably, in step C, the pH of the intermediate product I after the pH adjustment is 7.5 to 8.5.
Preferably, the viscosity of the aqueous water transfer cover oil is 5000-7000mpa.s at 30 ℃.
Preferably, in the step A, the stirring speed of the stirring step is 500-600 r/min.
Preferably, in the step B, the stirring speed of the stirring step is 1000-1500 r/min, and the stirring time is 20-40 min.
Preferably, in the step C, the stirring speed of the stirring step is 1000-1500 r/min, and the stirring time is 20-30 min.
The technical scheme provided by the embodiment of the application can comprise the following beneficial effects:
1. the three aqueous resins are used for compounding, so that the dry film strength and flexibility of the compounded aqueous water transfer cover oil can be compared with those of a solvent type water transfer cover oil; in addition, the addition of the aqueous alkali-soluble acrylic resin can also improve the transparency of the water transfer cover oil, and is more convenient for the use of the water transfer cover oil in the water transfer process.
2. Deionized water is used as a solvent, so that the volatile organic compounds with no toxicity and high pollution are volatilized, the pollution to the environment can be effectively reduced, and the national policy requirements are met; the water-based water transfer cover oil has no toxic and volatile raw materials, so that the production environment of the water transfer cover oil can be greatly improved, and the personal safety of production personnel is ensured; meanwhile, production tools, detection tools and the like used in the production process can be cleaned by water, solvents are not needed for cleaning, the production process of the water transfer cover oil is simplified, and meanwhile, additional cost expenditure is reduced.
Detailed Description
The water-based water transfer cover oil comprises the following raw materials in parts by mass: 30-40 parts of aqueous acrylic emulsion, 30-40 parts of aqueous polyurethane emulsion, 20-30 parts of aqueous alkali-soluble acrylic resin, 5-10 parts of deionized water and 5.6-11.5 parts of functional auxiliary agent.
In order to reduce VOC emissions on the premise of ensuring excellent tensile property of the water transfer cover oil, thereby improving the production and use safety of the water transfer cover oil, the technical scheme provides the water transfer cover oil, which comprises the following raw materials of water-based acrylic emulsion, water-based polyurethane emulsion, water-based alkali-soluble acrylic resin, deionized water and functional auxiliary agents.
Specifically, the method utilizes three aqueous resins for compounding, so that the dry film strength and flexibility of the compounded aqueous water transfer cover oil can be compared favorably with those of a solvent type water transfer cover oil; in addition, the addition of the aqueous alkali-soluble acrylic resin can also improve the transparency of the water transfer cover oil, and is more convenient for the use of the water transfer cover oil in the water transfer process.
The improved water transfer cover oil in the scheme takes deionized water as a solvent, has no volatilization of toxic and highly-polluting volatile organic matters, can effectively reduce the pollution to the environment, and meets the national policy requirements; the water-based water transfer cover oil has no toxic and volatile raw materials, so that the production environment of the water transfer cover oil can be greatly improved, and the personal safety of production personnel is ensured; meanwhile, production tools, detection tools and the like used in the production process can be cleaned by water, solvents are not needed for cleaning, the production process of the water transfer cover oil is simplified, and meanwhile, additional cost expenditure is reduced.
Still further, the functional aids include defoamers, thickeners, film forming aids, pH adjusting aids, mildewproof preservatives, wetting agents, and leveling agents.
In a preferred embodiment of the present technical solution, the functional auxiliary agent in the aqueous water transfer cover oil may be added with a defoaming agent for reducing foam generation, a thickening agent for ensuring printability of the cover oil, a film forming auxiliary agent for improving the coagulation degree of the resin latex particles and the mechanical properties and compactness of the latex coating film, a pH adjusting auxiliary agent for adjusting the stability of the cover oil, a mildew-proof preservative for destroying and inhibiting mold in the cover oil, a wetting agent for improving the surface tension and permeability of the cover oil, and a leveling agent for promoting the cover oil to form a flat, smooth and uniform coating film in the drying film forming process, so as to facilitate the use of the aqueous water transfer cover oil.
It should be noted that, the functional auxiliary agents used in the present solution are all conventional functional auxiliary agents in the field, and may be purchased through a commercial way, and specific components of each functional auxiliary agent are not described herein.
Further description, the material comprises the following raw materials in parts by weight: 30-40 parts of aqueous acrylic emulsion, 30-40 parts of aqueous polyurethane emulsion, 20-30 parts of aqueous alkali-soluble acrylic resin, 5-10 parts of deionized water, 0.5-1 part of defoamer, 1-3 parts of thickener, 3-5 parts of film forming auxiliary agent, 0.3-0.5 part of pH regulating auxiliary agent, 0.3-1 part of mildew-proof preservative, 0.3-0.5 part of wetting agent and 0.2-0.5 part of flatting agent.
As a better one of the above embodiments, the present solution also optimizes the addition amount of each functional auxiliary agent, so that the performance is optimized on the premise of lower raw material cost.
Further, the solid content of the aqueous acrylic emulsion is 45-50%, the solid content of the aqueous polyurethane emulsion is 40-45%, and the solid content of the aqueous alkali-soluble acrylic resin is 35-40% by mass.
The preparation method of the water-based water transfer cover oil is used for preparing the water-based water transfer cover oil and comprises the following steps of:
A. stirring the formula amount of the aqueous acrylic emulsion, the aqueous polyurethane emulsion and the aqueous alkali-soluble acrylic resin to obtain mixed resin;
B. diluting the defoaming agent, the film forming auxiliary agent, the mildew-proof preservative, the wetting agent and the leveling agent in the formula amount by using part of deionized water in the formula amount, and stirring the diluted defoaming agent, the film forming auxiliary agent, the mildew-proof preservative, the wetting agent and the leveling agent with the mixed resin in the step A to obtain an intermediate product I;
C. adjusting the pH value of the intermediate product I by using the formula amount of pH adjusting auxiliary agent, and then stirring the formula amount of thickening agent and the intermediate product I after the pH value is adjusted to obtain an intermediate product II;
D. and C, uniformly mixing the rest deionized water in the formula amount with the intermediate product II in the step C to obtain the water-based water transfer printing cover oil.
The scheme also provides a preparation method of the water-based water transfer cover oil, which has the advantages of simple steps and strong operability, and is beneficial to simplifying the production process on the premise of ensuring the tensile property.
Further, in step C, the intermediate I after pH adjustment has a pH of 7.5 to 8.5.
In the production process of the water-based water transfer cover oil, the pH value of the intermediate product I is regulated to 7.5-8.5 by utilizing the pH regulating auxiliary agent, so that the stability and the water resistance of the water-based water transfer cover oil are improved.
Further, the aqueous water transfer cover oil has a viscosity in the range of 5000 to 70000 mpa.s at 30 ℃.
In addition, the production completion mark of the water-based water transfer cover oil is preferably in the viscosity range of 5000-70000 Pa.S at 30 ℃, which is favorable for better printability in use.
Further, in the step A, the stirring speed of the stirring step is 500-600 r/min.
In the step A of producing the water-based water transfer cover oil, three water-based resins are mixed by using a lower stirring speed, so that the mixed resins are prevented from generating a large amount of foam, and the subsequent preparation process is influenced.
Further, in the step B, the stirring speed of the stirring step is 1000-1500 r/min, and the stirring time is 20-40 min.
Further, in the step C, the stirring speed of the stirring step is 1000-1500 r/min, and the stirring time is 20-30 min.
In the steps B and C for producing the water-based water transfer cover oil, the mixed resin and each functional auxiliary agent are mixed by using a higher stirring speed, so that the raw materials are quickly and uniformly dispersed; simultaneously, avoid utilizing too high stirring speed stirring raw materials, prevent that the too big easily of shearing force from causing the destruction of resin.
The technical scheme of the invention is further described by the following specific embodiments.
Example 1
A. Stirring 30 parts of aqueous acrylic emulsion, 30 parts of aqueous polyurethane emulsion and 20 parts of aqueous alkali-soluble acrylic resin to obtain mixed resin; wherein the stirring speed is 500r/min;
B. diluting 0.5 part of defoaming agent, 4 parts of film forming auxiliary agent, 0.3 part of mildew-proof preservative, 0.3 part of wetting agent and 0.4 part of leveling agent by using deionized water, and stirring the diluted defoaming agent, film forming auxiliary agent, mildew-proof preservative, wetting agent and leveling agent with the mixed resin in the step A to obtain an intermediate product I; wherein the stirring speed is 1500r/min, and the stirring time is 20min;
C. adjusting the pH value of the intermediate product I to 7.5 by using a pH adjusting auxiliary agent, and then stirring 2 parts of thickener and the intermediate product I after the pH value is adjusted to obtain an intermediate product II; wherein the stirring speed is 1000r/min, the stirring time is 40min, and the dosage of the pH adjusting auxiliary agent is 0.3 part;
D. uniformly mixing deionized water with the intermediate product II in the step C to obtain water-based water transfer printing cover oil with the viscosity range of 5000-70000 Pa.S at 30 ℃; wherein the total amount of deionized water used in steps B and D is 5 parts.
Example 2
A. Stirring 40 parts of aqueous acrylic emulsion, 30 parts of aqueous polyurethane emulsion and 25 parts of aqueous alkali-soluble acrylic resin to obtain mixed resin; wherein the stirring speed is 550r/min;
B. diluting 1 part of defoaming agent, 5 parts of film forming auxiliary agent, 0.3 part of mildew-proof preservative, 0.4 part of wetting agent and 0.2 part of leveling agent by using deionized water, and stirring the diluted defoaming agent, film forming auxiliary agent, mildew-proof preservative, wetting agent and leveling agent with the mixed resin in the step A to obtain an intermediate product I; wherein the stirring speed is 1500r/min, and the stirring time is 20min;
C. adjusting the pH value of the intermediate product I to 8 by using a pH adjusting auxiliary agent, and then stirring 1 part of thickener and the intermediate product I after the pH value is adjusted to obtain an intermediate product II; wherein the stirring speed is 1000r/min, the stirring time is 40min, and the dosage of the pH adjusting auxiliary agent is 0.4 part;
D. uniformly mixing deionized water with the intermediate product II in the step C to obtain water-based water transfer printing cover oil with the viscosity range of 5000-70000 Pa.S at 30 ℃; wherein the total amount of deionized water used in steps B and D is 8 parts.
Example 3
A. Stirring 40 parts of aqueous acrylic emulsion, 40 parts of aqueous polyurethane emulsion and 30 parts of aqueous alkali-soluble acrylic resin to obtain mixed resin; wherein the stirring speed is 600r/min;
B. diluting 0.8 part of defoaming agent, 3 parts of film forming auxiliary agent, 0.5 part of mildew-proof preservative, 0.5 part of wetting agent and 0.5 part of leveling agent by using deionized water, and stirring the diluted defoaming agent, film forming auxiliary agent, mildew-proof preservative, wetting agent and leveling agent with the mixed resin in the step A to obtain an intermediate product I; wherein the stirring speed is 1500r/min, and the stirring time is 20min;
C. adjusting the pH value of the intermediate product I to 8 by using a pH adjusting auxiliary agent, and then stirring 3 parts of thickening agent and the intermediate product I after the pH value is adjusted to obtain an intermediate product II; wherein the stirring speed is 1000r/min, the stirring time is 40min, and the dosage of the pH adjusting auxiliary agent is 0.5 part;
D. uniformly mixing deionized water with the intermediate product II in the step C to obtain water-based water transfer printing cover oil with the viscosity range of 5000-70000 Pa.S at 30 ℃; wherein the total amount of deionized water used in steps B and D is 10 parts.
The aqueous water-transfer cover oils prepared in examples 1 to 3 were subjected to a viscosity test, a printability test, and a tensile and elongation test, respectively, and the performance test results thereof are shown in table 1 below.
(1) Viscosity test
The aqueous water transfer cover oils prepared in examples 1 to 3 were subjected to viscosity test at 25℃using a rotary viscometer (Shanghai seminal instrumentation, NDJ-1 rotary viscometer).
(2) Printability test
The aqueous water transfer cover oils prepared in examples 1 to 3 were uniformly applied to a base paper 100 sheets by using a printing machine at a printing speed of 40 sheets per minute using an 80 mesh screen, and after 100 sheets were printed, the recording was × for the no-bleeding and stringing phenomena, and the recording was ×.
(3) Tensile and elongation testing
The aqueous water transfer cover oil prepared in examples 1 to 3 was screen-printed on a water transfer paper with 80 mesh, and then dried at 60℃for 1 hour to prepare a dry film, which was then subjected to tensile resistance and elongation test using a computer tensile tester (model PN-TT300 of Hangzhou products and technologies Co., ltd.).
Table 1 results of Performance test of aqueous Water transfer cover oils prepared in examples 1-3
The water-based water transfer printing cover oil prepared by the scheme has good printability, and has excellent tensile strength and elongation test indexes, and the tensile property can be compared favorably with solvent-based water transfer printing cover oil (the tensile strength is more than or equal to 1.5N, and the elongation is more than or equal to 150%).
The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (10)
1. The water-based water transfer cover oil is characterized by comprising the following raw materials in parts by weight: 30-40 parts of aqueous acrylic emulsion, 30-40 parts of aqueous polyurethane emulsion, 20-30 parts of aqueous alkali-soluble acrylic resin, 5-10 parts of deionized water and 5.6-11.5 parts of functional auxiliary agent.
2. The aqueous water transfer cover oil of claim 1, wherein the functional additives include defoamers, thickeners, film forming additives, pH adjusting additives, mold proofing preservatives, wetting agents, and leveling agents.
3. The aqueous water transfer cover oil according to claim 2, which is characterized by comprising the following raw materials in parts by mass: 30-40 parts of aqueous acrylic emulsion, 30-40 parts of aqueous polyurethane emulsion, 20-30 parts of aqueous alkali-soluble acrylic resin, 5-10 parts of deionized water, 0.5-1 part of defoamer, 1-3 parts of thickener, 3-5 parts of film forming auxiliary agent, 0.3-0.5 part of pH regulating auxiliary agent, 0.3-1 part of mildew-proof preservative, 0.3-0.5 part of wetting agent and 0.2-0.5 part of flatting agent.
4. The aqueous water transfer cover oil according to claim 1, wherein the solid content of the aqueous acrylic emulsion is 45-50%, the solid content of the aqueous polyurethane emulsion is 40-45%, and the solid content of the aqueous alkali-soluble acrylic resin is 35-40% by mass.
5. A method for preparing the aqueous water transfer cover oil, which is used for preparing the aqueous water transfer cover oil according to any one of claims 2 to 3, and comprises the following steps:
A. stirring the formula amount of the aqueous acrylic emulsion, the aqueous polyurethane emulsion and the aqueous alkali-soluble acrylic resin to obtain mixed resin;
B. diluting the defoaming agent, the film forming auxiliary agent, the mildew-proof preservative, the wetting agent and the leveling agent in the formula amount by using part of deionized water in the formula amount, and stirring the diluted defoaming agent, the film forming auxiliary agent, the mildew-proof preservative, the wetting agent and the leveling agent with the mixed resin in the step A to obtain an intermediate product I;
C. adjusting the pH value of the intermediate product I by using the formula amount of pH adjusting auxiliary agent, and then stirring the formula amount of thickening agent and the intermediate product I after the pH value is adjusted to obtain an intermediate product II;
D. and C, uniformly mixing the rest deionized water in the formula amount with the intermediate product II in the step C to obtain the water-based water transfer printing cover oil.
6. The method for producing an aqueous water transfer cover oil according to claim 5, wherein in the step C, the pH of the intermediate product I after the pH adjustment is 7.5 to 8.5.
7. The method for producing an aqueous water transfer cover oil according to claim 5, wherein the viscosity of the aqueous water transfer cover oil at 30 ℃ is in the range of 5000 to 7000mpa.s.
8. The method for preparing an aqueous water transfer cover oil according to claim 5, wherein in the step A, the stirring speed of the stirring step is 500-600 r/min.
9. The method for preparing an aqueous water transfer cover oil according to claim 5, wherein in the step B, the stirring speed of the stirring step is 1000-1500 r/min, and the stirring time is 20-40 min.
10. The method for preparing an aqueous water transfer cover oil according to claim 5, wherein in the step C, the stirring speed of the stirring step is 1000-1500 r/min, and the stirring time is 20-30 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311539101.1A CN117567899A (en) | 2023-11-17 | 2023-11-17 | Water-based water transfer cover oil and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311539101.1A CN117567899A (en) | 2023-11-17 | 2023-11-17 | Water-based water transfer cover oil and preparation method thereof |
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| Publication Number | Publication Date |
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| CN117567899A true CN117567899A (en) | 2024-02-20 |
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| CN202311539101.1A Pending CN117567899A (en) | 2023-11-17 | 2023-11-17 | Water-based water transfer cover oil and preparation method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN117567899A (en) |
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2023
- 2023-11-17 CN CN202311539101.1A patent/CN117567899A/en active Pending
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