CN114016299B - Preparation method of VAE coating for imitation PU - Google Patents
Preparation method of VAE coating for imitation PU Download PDFInfo
- Publication number
- CN114016299B CN114016299B CN202111342410.0A CN202111342410A CN114016299B CN 114016299 B CN114016299 B CN 114016299B CN 202111342410 A CN202111342410 A CN 202111342410A CN 114016299 B CN114016299 B CN 114016299B
- Authority
- CN
- China
- Prior art keywords
- coating
- parts
- vae
- imitation
- wetting agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 85
- 239000011248 coating agent Substances 0.000 title claims abstract description 81
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000000839 emulsion Substances 0.000 claims abstract description 41
- 239000000843 powder Substances 0.000 claims abstract description 39
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000010453 quartz Substances 0.000 claims abstract description 29
- 239000000080 wetting agent Substances 0.000 claims abstract description 27
- 239000004014 plasticizer Substances 0.000 claims abstract description 15
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 15
- HDERJYVLTPVNRI-UHFFFAOYSA-N ethene;ethenyl acetate Chemical group C=C.CC(=O)OC=C HDERJYVLTPVNRI-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229920001038 ethylene copolymer Polymers 0.000 claims abstract description 11
- 239000013530 defoamer Substances 0.000 claims abstract description 9
- 239000002245 particle Substances 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 239000002518 antifoaming agent Substances 0.000 claims description 9
- OMVSWZDEEGIJJI-UHFFFAOYSA-N 2,2,4-Trimethyl-1,3-pentadienol diisobutyrate Chemical compound CC(C)C(=O)OC(C(C)C)C(C)(C)COC(=O)C(C)C OMVSWZDEEGIJJI-UHFFFAOYSA-N 0.000 claims description 8
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 8
- 239000005977 Ethylene Substances 0.000 claims description 8
- 238000009835 boiling Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 2
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 239000008199 coating composition Substances 0.000 abstract description 2
- 238000006731 degradation reaction Methods 0.000 abstract description 2
- 231100000956 nontoxicity Toxicity 0.000 abstract description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 27
- 239000004814 polyurethane Substances 0.000 description 18
- 235000010215 titanium dioxide Nutrition 0.000 description 17
- 239000003973 paint Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 11
- 230000009286 beneficial effect Effects 0.000 description 10
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 239000000945 filler Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000010985 leather Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- -1 polyoxyethylene Polymers 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- UDSFAEKRVUSQDD-UHFFFAOYSA-N Dimethyl adipate Chemical compound COC(=O)CCCCC(=O)OC UDSFAEKRVUSQDD-UHFFFAOYSA-N 0.000 description 2
- MUXOBHXGJLMRAB-UHFFFAOYSA-N Dimethyl succinate Chemical compound COC(=O)CCC(=O)OC MUXOBHXGJLMRAB-UHFFFAOYSA-N 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- XTDYIOOONNVFMA-UHFFFAOYSA-N dimethyl pentanedioate Chemical compound COC(=O)CCCC(=O)OC XTDYIOOONNVFMA-UHFFFAOYSA-N 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000009477 glass transition Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 125000005375 organosiloxane group Chemical group 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- JCTXKRPTIMZBJT-UHFFFAOYSA-N 2,2,4-trimethylpentane-1,3-diol Chemical group CC(C)C(O)C(C)(C)CO JCTXKRPTIMZBJT-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000001038 titanium pigment Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/045—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with polyolefin or polystyrene (co-)polymers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0059—Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/06—Properties of the materials having thermal properties
- D06N2209/067—Flame resistant, fire resistant
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/103—Resistant to mechanical forces, e.g. shock, impact, puncture, flexion, shear, compression, tear
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/142—Hydrophobic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/143—Inert, i.e. inert to chemical degradation, corrosion resistant
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1635—Elasticity
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1664—Releasability
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1685—Wear resistance
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to the technical field of coating compositions, and discloses a VAE coating for imitation PU and a preparation method thereof, wherein the coating comprises the following components in parts by weight: 30-60 parts of vinyl acetate-ethylene copolymer emulsion; 20-40 parts of titanium dioxide; 5-20 parts of quartz powder; 5-20 parts of plasticizer; 3-5 parts of wetting agent; 3-5 parts of defoamer. The coating disclosed by the invention has the advantages of strong binding power, good elasticity, good flexibility, soft hand feeling, anti-back adhesion, low cost, safety, environment friendliness, no toxicity, no smell, easiness in degradation, no pollution and no harm to human bodies.
Description
Technical Field
The scheme is a divisional application, and the application number of the mother application is: 2021112174555, the invention of the parent case is named: the application of the VAE coating for the imitation PU and the preparation method thereof is as follows: the application date of the parent case is as follows: 2021, 10, 19, the application types of the parent case are: the invention is a patent.
The invention relates to the technical field of coating compositions, in particular to a VAE coating for imitation PU and a preparation method thereof.
Background
PU is abbreviation of Polyurethane, chinese name Polyurethane is Polyurethane for short, and because the formula is simply modified, different physical properties such as density, elasticity, rigidity and the like can be obtained, and the Polyurethane is widely applied to the fields of inner and outer wall heat insulation materials, refrigerator heat insulation materials, home decoration, high-grade sports goods, artificial synthetic PU leather and the like at present.
However, because of the high cost of the artificial PU leather, the large-scale popularization in some soft package fields has a certain difficulty. In the existing coating for imitation PU leather, in order to increase the flexibility and the handfeel of a coating film, the content of emulsion serving as a base material in the coating is increased, and excessive emulsion is added, so that the coating has certain back viscosity. The back adhesion refers to the phenomenon that a paint film is adhered under the influence of certain temperature and humidity after being dried, and the appearance has sticky feel. The paint film is easy to stick dust once being back adhered, the decorative property of the paint film is affected, and the back adhesion of the paint film is accompanied with the softening of the paint film, so that the hardness, the wear resistance and the corrosion resistance of the paint film are reduced. The tacky coating film can only be scraped off for recoating, so that the tacky coating film is a coating film disadvantage. In order to solve the problem of the back adhesion of the coating film, the method is generally adopted to reduce the content of the emulsion serving as the base material in the coating, so as to improve the back adhesion resistance of the coating film, but at the moment, a new problem occurs, and the powder can be easily dropped after the coating is sprayed due to the reduction of the content of the emulsion serving as the base material in the coating.
Therefore, how to prepare a coating which is not only resistant to back adhesion but also not easy to fall off is a technical problem to be solved in the prior art.
Disclosure of Invention
The invention aims to provide a VAE coating for imitation PU and a preparation method thereof, so that the prepared coating has anti-back adhesion and is not easy to cause powder dropping.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the VAE coating for the imitation PU comprises the following components in parts by weight:
the principle and the advantages of the scheme are as follows: the nonionic wetting agent allows for uniform dispersion of the filler in the emulsion, thereby providing excellent anti-stick properties to the coating.
In practical applications, the emulsion plays a decisive role in the mechanical properties and thermal properties of the coating. During the film forming process, the emulsion particles are brought close to each other to agglomerate and bond the pigment and filler together to form a continuous coating film. The addition of the emulsion can improve the mechanical properties of the coating, such as cohesive force, elongation at break, flexibility and the like; but at the same time the increase in the emulsion content reduces the anti-tack properties of the coating film. Therefore, in order to avoid this problem, a method of moderately reducing the content of the emulsion is generally adopted in the prior art, but such a method has the disadvantage that the powder is easily dropped after the paint is formed into a coating film. According to the method, on the premise of not reducing the emulsion content, a plurality of different pigments, fillers and related auxiliary agents are screened, and the synergistic effect between the wetting agent and the quartz powder is unexpectedly found. The wetting agent has the effect of reducing the surface tension of the coating, enabling the coating to wet the substrate better, generally for improving the adhesion of the coating to the substrate. The quartz powder is used as a filler, the component is silicon dioxide, and the quartz powder is generally used for filling paint, so that the paint cost is reduced; and can improve the wear resistance, heat resistance and chemical resistance of the coating. In addition, the inventor also unexpectedly discovers that after quartz powder and a wetting agent are added into the coating through compounding in the research process, the original action and effect are maintained, the anti-back adhesion of a coating film can be effectively improved, and the powder dropping problem of the coating is overcome. The mechanism is as follows: the surface tension of the emulsion is reduced by the wetting agent, so that the quartz powder is uniformly dispersed in the system, and the adhesive force of the emulsion and the hardness of the quartz powder distributed on the surface of the emulsion are fully utilized after the dry film is formed.
Besides the above properties, the coating provided by the invention has the advantages of strong binding power, high strength, good flexibility, soft hand feeling, low cost, no toxicity, no smell, easy degradation, no pollution, safety, environmental protection and no harm to human body.
Preferably, as an improvement, the ethylene content in the vinyl acetate-ethylene copolymer emulsion is more than or equal to 25%.
The beneficial effects are that: in this range, the coating has a lower minimum film forming temperature, and has better elasticity and flexibility. If the ethylene content is below this range value, the glass transition temperature of the coating will be increased, so that the minimum film-forming temperature will be increased. If the minimum film forming temperature is higher than normal temperature, the coating cannot form a film, in which case the low Wen Chengmo property can be ensured only by adding the film forming auxiliary additionally, and too high an amount of the film forming auxiliary added affects the water and alcohol resistance of the coating film, and the actual drying speed is also prolonged. In addition, an increase in the glass transition temperature of the coating also reduces the elasticity and flexibility of the coating.
Preferably, as a modification, the particle size of the titanium dioxide is 600-1250 mesh.
The beneficial effects are that: the particle size of the titanium dioxide is in the range, the titanium dioxide has good dispersibility, the titanium dioxide can be distributed more uniformly in the emulsion, the compatibility with the emulsion is better, and the strength and the cohesive force of the coating can be enhanced. If the particle size of the titanium dioxide is too large, the titanium dioxide is not easy to be uniformly distributed in the emulsion; the particle size of the titanium dioxide is too small, so that the strength and the binding force of a coating can be reduced, and the service life of a paint film is shortened.
Preferably, as a modification, the particle size of the quartz powder is 600-1250 mesh.
The beneficial effects are that: the particle size of the quartz powder is in the range, so that the quartz powder can be uniformly dispersed in the whole coating layer when the coating is formed into a film, and the strength of the coating can be obviously improved. If the particle size of the quartz powder is too large, the quartz powder is not easy to be uniformly distributed in the coating film; if the particle size of the quartz powder is too small, the strength of the coating film is lowered. The synergistic effect of the quartz powder and the wetting agent can improve the anti-back adhesion performance of the coating film.
Preferably, as a modification, the plasticizer is one of the European MADE and TXIB.
The beneficial effects are that: the European and German MADE and TXIB are nontoxic environment-friendly plasticizers, and can obviously improve the strength and elasticity of the coating film and improve the flexibility and the cohesive force.
The European Mode MADE (DuPont called DBE) is a dibasic acid ester mixture, also called dibasic acid ester, and is a low-toxicity, low-odor and biodegradable environment-friendly high-boiling point solvent. The European and German MADE series products comprise dimethyl succinate, dimethyl glutarate, dimethyl adipate and mixtures thereof in different proportions, wherein the concentrations of the components in the mixtures are as follows: 25-60% of dimethyl glutarate, 20-50% of dimethyl adipate and 10-30% of dimethyl succinate.
TXIB chemical name is 2, 4-trimethyl 1, 3-pentanediol diisobutyrate, which is a viscosity reducer with plasticizing effect and low volatility, and can endow the paint with good cold resistance and water resistance.
Preferably, as an improvement, the wetting agent is a nonionic wetting agent.
The beneficial effects are that: the nonionic wetting agent can better reduce the surface tension of the coating, has better hydrophilicity, can quickly wet the substrate, and improves the cohesive force of the coating. The nonionic wetting agent and the filler cooperate to improve the anti-back-tack performance of the coating.
Nonionic wetting agents are one class of wetting agents that includes polyoxyethylene alkylphenol ethers, polyoxyethylene fatty alcohol ethers, polyoxyethylene polyoxypropylene block copolymers, and the like, as are well known to those skilled in the art.
Preferably, as a modification, the defoaming agent is one or two of a block polyether type defoaming agent and an organosiloxane type defoaming agent.
The beneficial effects are that: the block polyether defoamer and the organosiloxane defoamer have good defoaming and foam inhibiting effects, and are good in stability, nontoxic and environment-friendly.
In another aspect of the present invention, there is also provided a method for preparing a VAE coating for artificial PU, comprising the steps of: mixing vinyl acetate-ethylene copolymer emulsion, titanium white powder, quartz powder, plasticizer, wetting agent and defoamer, stirring uniformly, and standing.
The beneficial effects are that: the components in the coating can be uniformly mixed by mechanical stirring, so that the formed coating film is more uniform, smoother and plump in color; the preparation method is simple and is beneficial to realizing industrial production.
Preferably, as a modification, the stirring speed is 600-1800 rpm and the standing time is 60-90 minutes.
The beneficial effects are that: the paint is more uniformly dispersed in the stirring speed range; too low stirring speed can lead to uneven dispersion of components in the emulsion; the emulsion breaking can occur due to the excessively high stirring speed. The air bubbles in the coating can fully escape after the coating is left for a period of time, and the components in the coating are better dissolved and mixed uniformly.
In yet another aspect of the invention, there is provided the use of a VAE coating for imitation PU in the preparation of imitation PU, imitation fiber and as a cotton cloth binder.
The beneficial effects are that: the coating can be used for manufacturing imitation PU, artificial fiber and cotton cloth bonding.
Detailed Description
The following is a further detailed description of the embodiments:
VAE emulsion CW40-602 was purchased from Chongqing Sichuan Utility chemical Co., ltd; ST-83 was purchased from Solvier; MP200 was purchased from Michaelis and European MADE from Jiangsu European paint Co.
Example 1 preparation of a VAE coating for imitation
The imitation VAE coating comprises the following components:
VAE emulsion: 300g of VAE emulsion CW40-602 (ethylene content 25%);
titanium white powder: 400g, particle size 800 mesh;
quartz powder: 200g, particle size 800 mesh;
and (3) a plasticizer: 100g, the plasticizer in this example is European MADE;
wetting agent: 50g of wetting agent ST-83 in the example;
defoaming agent: 50g, the defoamer in this example is MP200.
The preparation method of the artificial VAE coating comprises the following steps:
uniformly mixing the vinyl acetate-ethylene copolymer emulsion, titanium pigment, quartz powder, european and German MADE, ST-83 and MP 200; then stirring and dispersing uniformly at 900 rpm, and standing for 90 minutes.
Example 2 preparation of a VAE coating for imitation
The imitation VAE coating comprises the following components:
VAE emulsion: 300g of VAE emulsion CW40-602 (ethylene content 25%);
titanium white powder: 300g, particle size 800 mesh;
quartz powder: 200g, particle size 800 mesh;
and (3) a plasticizer: 150g TXIB;
wetting agent: 30g of ST-83;
defoaming agent: 30g of MP200.
The preparation method of the coating comprises the following steps:
uniformly mixing the vinyl acetate-ethylene copolymer emulsion, titanium dioxide, quartz powder, TXIB, ST-83 and MP 200; then stirring and dispersing uniformly at 600 rpm, and standing for 60 minutes.
Example 3 preparation of a VAE coating for imitation
The imitation VAE coating comprises the following components:
VAE emulsion: 400g of VAE emulsion CW40-602 (ethylene content of 30%);
titanium white powder: 400g of particle size 800 mesh;
quartz powder: 100g of particle size 800 mesh;
and (3) a plasticizer: 200g of European MADE;
wetting agent: 30g of ST-83;
defoaming agent: 20g MP200.
The preparation method of the coating comprises the following steps:
uniformly mixing the vinyl acetate-ethylene copolymer emulsion, titanium dioxide, quartz powder, high-boiling plasticizer, wetting agent and defoamer; then stirring and dispersing uniformly at 1800 rpm, and standing for 90 minutes.
Example 4 preparation of a VAE coating for imitation
The imitation VAE coating comprises the following components:
VAE emulsion: 500g of VAE emulsion CW40-602 (ethylene content 25%);
titanium white powder: 200g, particle size 800 mesh;
quartz powder: 50g, particle size 800 mesh;
high boiling point plasticizers: 150g TXIB;
wetting agent: 30g of ST-83;
defoaming agent: 20g MP200.
The preparation method of the coating comprises the following steps:
uniformly mixing the vinyl acetate-ethylene copolymer emulsion, titanium dioxide, quartz powder, high-boiling plasticizer, wetting agent and defoamer; then stirring and dispersing evenly at the rotation speed of 1200 rpm, and standing for 80 minutes.
Example 5 preparation of a VAE coating for imitation
The imitation VAE coating comprises the following components:
VAE emulsion: 600g of VAE emulsion CW40-602 (ethylene content 25%);
titanium white powder: 200g, particle size 800 mesh;
quartz powder: 100g, particle size 800 mesh;
high boiling point plasticizers: 50g TXIB;
wetting agent: 30g of ST-83;
defoaming agent: 20g MP200.
The preparation method of the coating comprises the following steps:
uniformly mixing the vinyl acetate-ethylene copolymer emulsion, titanium dioxide, quartz powder, high-boiling plasticizer, wetting agent and defoamer; then stirring and dispersing uniformly at the rotating speed of 1000 rpm, and standing for 75 minutes.
Comparative example 1
The difference between this comparative example and example 1 is that: no quartz powder was added.
Comparative example 2
The difference between this comparative example and example 1 is that: ST-83 was not added.
Comparative example 3
The difference between this comparative example and example 1 is that: no quartz powder and ST-83 were added.
Application performance detection
The coatings prepared in examples 1-5 and comparative examples 1-12 were used to make a PU-like material, then dried at 110 ℃ for 5 minutes, then maintained at room temperature for 24 hours, and part of the material was removed to prepare a strip-like adhesive material having a width of 2 cm by 10 cm, 10 replicates were set for each example, and the PU-like material was tested for peel tensile strength using a C43 microcomputer controlled universal tester manufactured by MTS, usa, and the average value thereof was used as a test result, and the above groups were the same under the same conditions except for the coating, and the results are shown in table 1.
TABLE 1 Performance test results
| Group of | Peel tensile strength/MPa |
| Example 1 | Broken material |
| Example 2 | Broken material |
| Example 3 | Broken material |
| Example 4 | Broken material |
| Example 5 | Broken material |
| Comparative example 1 | Is easier to peel off |
| Comparative example 2 | Is easier to peel off |
| Comparative example 3 | Easy to peel off |
The results show that: as can be seen from Table 1, the coatings of examples 1-5 were used to make imitation PU, destroying the substrate. The adhesive of the invention has thus proved to have a strong cohesion. Furthermore, the coatings of examples 1 to 5 were free of pungent odor. The paint provided by the invention is safe and environment-friendly. Furthermore, the coatings prepared in examples 1-5 were substantially free of the problem of tack, and the comparative examples 1-3 exhibited varying degrees of tack.
The foregoing is merely exemplary of the present invention, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present invention, and these should also be regarded as the protection scope of the present invention, which does not affect the effect of the implementation of the present invention and the practical applicability of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (2)
1. A preparation method of a VAE coating for imitation PU is characterized by comprising the following steps: the method comprises the following steps: mixing vinyl acetate-ethylene copolymer emulsion, titanium dioxide, quartz powder, plasticizer, wetting agent and defoamer, stirring uniformly, and standing;
the VAE coating comprises the following components in parts by weight:
30-60 parts of vinyl acetate-ethylene copolymer emulsion;
20-40 parts of titanium dioxide;
5-20 parts of quartz powder;
5-20 parts of high boiling point solvent;
3-5 parts of wetting agent;
3-5 parts of a defoaming agent;
the particle size of the titanium dioxide is 600-1250 meshes, the plasticizer is one of European MADE and TXIB, and the wetting agent is a nonionic wetting agent; the ethylene content in the vinyl acetate-ethylene copolymer emulsion is more than or equal to 25 percent.
2. The method for preparing the VAE coating for the imitation PU according to claim 1, wherein the method comprises the following steps: the stirring speed is 600-1800 rpm, and the standing time is 60-90 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111342410.0A CN114016299B (en) | 2021-10-19 | 2021-10-19 | Preparation method of VAE coating for imitation PU |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111342410.0A CN114016299B (en) | 2021-10-19 | 2021-10-19 | Preparation method of VAE coating for imitation PU |
| CN202111217455.5A CN115992455A (en) | 2021-10-19 | 2021-10-19 | VAE coating for imitation PU and preparation method thereof |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111217455.5A Division CN115992455A (en) | 2021-10-19 | 2021-10-19 | VAE coating for imitation PU and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114016299A CN114016299A (en) | 2022-02-08 |
| CN114016299B true CN114016299B (en) | 2024-03-15 |
Family
ID=80079914
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111342410.0A Active CN114016299B (en) | 2021-10-19 | 2021-10-19 | Preparation method of VAE coating for imitation PU |
| CN202111217455.5A Pending CN115992455A (en) | 2021-10-19 | 2021-10-19 | VAE coating for imitation PU and preparation method thereof |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111217455.5A Pending CN115992455A (en) | 2021-10-19 | 2021-10-19 | VAE coating for imitation PU and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN114016299B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103725122A (en) * | 2013-12-30 | 2014-04-16 | 河北晨阳工贸集团有限公司 | Home decoration coating and preparation method thereof |
| CN107337967A (en) * | 2017-07-12 | 2017-11-10 | 合肥梵腾环保科技有限公司 | A kind of environment-friendlyweather-proof weather-proof water-repellent paint and preparation method thereof |
| CN108659686A (en) * | 2018-05-25 | 2018-10-16 | 北京路桥方舟交通科技发展有限公司 | Heat reflective type road mark paint |
-
2021
- 2021-10-19 CN CN202111342410.0A patent/CN114016299B/en active Active
- 2021-10-19 CN CN202111217455.5A patent/CN115992455A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103725122A (en) * | 2013-12-30 | 2014-04-16 | 河北晨阳工贸集团有限公司 | Home decoration coating and preparation method thereof |
| CN107337967A (en) * | 2017-07-12 | 2017-11-10 | 合肥梵腾环保科技有限公司 | A kind of environment-friendlyweather-proof weather-proof water-repellent paint and preparation method thereof |
| CN108659686A (en) * | 2018-05-25 | 2018-10-16 | 北京路桥方舟交通科技发展有限公司 | Heat reflective type road mark paint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115992455A (en) | 2023-04-21 |
| CN114016299A (en) | 2022-02-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2018324496B2 (en) | Latex compositions comprising polysaccharides | |
| US5728759A (en) | Waterbase pressure sensitive adhesives and methods of preparation | |
| CN107090264B (en) | Toughened environment-friendly back mesh adhesive as well as preparation method and application thereof | |
| US3583932A (en) | Water based coatings | |
| CN1394922A (en) | High-elasticity external wall paint and its preparation method | |
| CN114016299B (en) | Preparation method of VAE coating for imitation PU | |
| CA1037176A (en) | Hot melt composition having improved softening temperature | |
| CN102933669A (en) | Aqueous resin composition for forming a thick film, and surface treatment method using said composition | |
| CN113789124A (en) | Special non-cured rubber asphalt waterproof coating and preparation method thereof | |
| CN107286863B (en) | A kind of high intensity plant base adhesive and preparation method thereof | |
| CN109943120A (en) | A kind of wall paper basement membrane and its preparation process | |
| CN101215788A (en) | Water polyurethane latex composite compounding coat art canvas and producing technique thereof | |
| CN111171750A (en) | Hot melt adhesive film for automotive interior ceiling and production method thereof | |
| TWI473863B (en) | Peelable protective film and its composition thereof | |
| TWI744980B (en) | Acrylic resin emulsion having high heat resistance, polymeric composition thereof and manufacturing method thereof | |
| CN112851868B (en) | Self-repairing emulsion with core-shell structure and preparation method and application thereof | |
| CN111690354B (en) | Hot melt adhesive for self-crosslinking label and preparation method thereof | |
| CN113755087A (en) | High-toughness elastic two-component polyurethane coating and application thereof | |
| CN112300519A (en) | MDI-DINP-based PVC cross-linking agent and PVC cross-linked material thereof | |
| EP2705097A2 (en) | Two-pack plastisol ink compositions for screen printing of textiles | |
| CN112571905A (en) | TPU/PC composite material and preparation method and application thereof | |
| KR101116296B1 (en) | Repeelable water based adhesive composition for table tennis racket | |
| CN113666670A (en) | Anti-adhesion rock slice and preparation method thereof | |
| CN115322708B (en) | Environment-friendly grafted moisture curing spray adhesive and preparation method thereof | |
| CN115678458A (en) | Environment-friendly adhesive and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |