CN104559791A - Nano-modified super fouling-resistant emulsion paint and preparation method thereof - Google Patents
Nano-modified super fouling-resistant emulsion paint and preparation method thereof Download PDFInfo
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- CN104559791A CN104559791A CN201510062732.8A CN201510062732A CN104559791A CN 104559791 A CN104559791 A CN 104559791A CN 201510062732 A CN201510062732 A CN 201510062732A CN 104559791 A CN104559791 A CN 104559791A
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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
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/02—Emulsion paints including aerosols
- C09D5/022—Emulsions, e.g. oil in water
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/53—Core-shell polymer
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
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Abstract
The invention discloses a nano-modified super fouling-resistant emulsion paint. The emulsion paint is characterized by comprising the following components in percentage by weight: 5-10% of water, 2-2.5% of a multifunctional additive, 5-15% of nanometer TiO2 slurry, 45-50% of fouling-resistant emulsion polymer, 30-35% of a core-shell acrylic resin polymer and 2-3% of a coalescing agent. By the emulsion paint, the advantages that the hardness, long-term effective fouling resistance, scrubbing resistance and hydrophobic effect of a film can be achieved; the invention also discloses a preparation method of the fouling-resistant emulsion paint and the long-term effective fouling resistance and scrubbing resistance of the emulsion paint and the hydrophobic effect of the film can be increased.
Description
Technical field
The present invention relates to fine chemistry industry paint field, be specifically related to a kind of emulsion paint that can realize improving hardness of paint film and permanent effective contamination resistance, scrub resistance and paint film hydrophobic effect, and the preparation method of this emulsion paint.
Background technology
Resistant emulsion paint has resistant and easy cleaning function due to paint film, is more and more subject to the favor of users, gradually becomes the leading of building and ornament materials.But the ply adhesion of resistant emulsion paint is poor and hardness general, therefore gets more and more people's extensive concerning.Current stage, a lot of antifouling paint product is difficult to accomplish the balance between resistance to soiling, hardness and sticking power, general by using with the spelling of ordinary emulsion, along with adding of ordinary emulsion, the resistance to soiling ability of emulsion paint reduces, sticking power improves, but hardness can not get improving, and the use of this mode reduces the original performance of product.
Current stage, carry out the mode of spelling to improve hardness of paint film mainly through different emulsion.Application aspect: use different emulsions or resin equilibration product performance; Formulating of recipe aspect: select suitable stain-resistant latex, pigment volume concentration (PVC) (PVC) reasonable in design carrys out adjustment.In addition, add nanosized TiO_2 and also can improve stain resistant effect.
Summary of the invention
The object of the invention is to the deficiency overcoming the existence of above-mentioned prior art, and a kind of emulsion paint that can significantly improve hardness of paint film and permanent effective contamination resistance, scrub resistance and paint film hydrophobic effect is provided.
Another object of the present invention is also that providing a kind of can promote the preparation method that latex coating realizes the emulsion paint improving hardness of paint film and permanent effective contamination resistance, scrub resistance and paint film hydrophobic effect.
The object of the present invention is achieved like this:
A kind of nano modification surpasses resistant emulsion paint, it is characterized in that, comprises following component and weight percent thereof:
Water: 5%-10%;
Multifunctional assistant: 2%-2.5%;
Nano TiO 2 compound material: 5%-15%;
Stain-resistant latex polymkeric substance: 45%-50%;
Core-shell type acrylic polymer: 30%-35%;
Film coalescence aid: 2%-3%;
PH conditioning agent: 0.1%-0.2%;
Rheological agent: 0.5%-1%.
Wherein, described nano TiO 2 compound material preferably 70% nano TiO 2 compound material; And described 70% nano TiO 2 compound material can be nanometer Tio2, its optimum weight hundred parts of ratios are between 7-10%.
Nano modification of the present invention surpasses resistant emulsion paint, by adopting stain-resistant latex polymkeric substance, core-shell type acrylic resin, nano TiO 2 compound material and various auxiliary agent, make the emulsion paint obtained can realize improving the emulsion paint of hardness of paint film and permanent effective contamination resistance, scrub resistance and paint film hydrophobic effect; And owing to adopting " nano TiO 2 compound material ", " stain-resistant latex polymkeric substance ", " core-shell type acrylic resin ", be applied in coating as main raw, compact in paint film is wear-resisting to be tested up to more than 10000 times through scrubbing resistance.
Described stain-resistant latex polymkeric substance is the stain-resistant latex polymkeric substance that VOC content is extremely low.
As scheme more specifically further, described multifunctional assistant comprises thickening material and defoamer; Wherein, thickening material is polyurethane class thickening material, is be used alone, and defoamer is mineral oil fitting-type.
Another object of the present invention is achieved in that
Nano modification surpasses a preparation method for resistant emulsion paint, it is characterized in that, comprises the steps:
Step one, pre-mixing: add stain-resistant latex polymkeric substance, core-shell type acrylic polymer and multifunctional assistant in dispersion cylinder, makes each component fully mix, generates the fluent meterial of even shape, for subsequent use;
Step 2, dispersed with stirring: in the above-mentioned liquid state material made, add nano TiO 2 compound material slurry, under middle low speed dispersing apparatus, middle stirring at low speed for some time, obtains stably dispersing state, until make fineness at the paint liquid material of below 45um;
Step 3, adds other auxiliary agents: add appropriate film coalescence aid and multifunctional assistant successively, surpass resistant emulsion paint with obtained required nano modification;
Step 4, packaging: above-mentioned nano modification is surpassed resistant emulsion paint and load in tank body.
The preparation method of above-mentioned emulsion paint, by operations such as pre-mixing, dispersed with stirring and interpolation auxiliary agents, " nano TiO 2 compound material ", " stain-resistant latex polymkeric substance ", " core-shell type acrylic resin " is realized to be applied in latex paint formulation, promote the stain resistant effect of latex coating, and, simple and easy being easy to of technique controls, and is applicable to requirements of mass production.
As scheme concrete further, in above-mentioned steps one, also need to add appropriate PH conditioning agent respectively in dispersion cylinder; In step 4, also need to add appropriate rheological agent.
Separately, in above-mentioned steps one, each component fully mixed, its mixing speed controls between 300-500RPM; In above-mentioned steps two, the rotating speed of moderate-speed mixer controls between 500-700RPM; And in step 3, its rotating speed controls between 500-700 RPM.
Beneficial effect of the present invention is as follows:
(1) nano modification of the present invention surpasses resistant emulsion paint, in formula, optimised nano TiO 2 and SiO2 have been selected in innovation, configure " modified acrylic acid emulsion polymkeric substance ", " core-shell type acrylic resin " again, these three kinds of materials are dispersed in emulsion paint system by ultrasound modalities, further strengthening hardness of paint film and contamination resistance.
(2) nano modification of the present invention surpasses in resistant latex paint formulation and adopts two kinds of complex process simultaneously, utilize the operations such as pre-mixing, dispersed with stirring and interpolation auxiliary agent, promote the stain resistant effect of latex coating and the raising of hardness of paint film, technique is simple and easy, be easy to control, be applicable to requirements of mass production.
Accompanying drawing explanation
Fig. 1 is preparation method's flow diagram that nano modification of the present invention surpasses resistant emulsion paint.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail:
A kind of nano modification surpasses resistant emulsion paint, it is characterized in that, comprises following component and weight percent thereof:
Water: 5%-10%;
Multifunctional assistant: 2%-2.5%;
Nano TiO 2 compound material: 5%-15%;
Stain-resistant latex polymkeric substance: 45%-50%;
Core-shell type acrylic polymer: 30%-35%;
Film coalescence aid: 2%-3%;
PH conditioning agent: 0.1%-0.2%;
Rheological agent: 0.5%-1%.
As more particular embodiment: above-mentioned nano TiO 2 compound material is the compound material of 70% nano TiO 2, the compound material system nanometer Tio2 of 70% nano TiO 2, its optimum weight hundred parts of ratios tie up between 7-10%.
As scheme more specifically, described multifunctional assistant comprises thickening material and defoamer; Wherein, thickening material can be flow agent polyurethanes thickening material, is be used alone, and defoamer is mineral oil fitting-type.
Above-mentioned stain-resistant latex polymkeric substance and core-shell type acrylic polymer form important component emulsion.
Surpass a specific embodiments of resistant emulsion paint as above-mentioned nano modification, its each component and mass percent as follows:
Water: 10%; Multifunctional assistant: 2.5%; 70% nano TiO 2 raw material: 10%; Stain-resistant latex polymkeric substance: 50%, core-shell type acrylic resin: 35%; Film coalescence aid: 3%.
As shown in Figure 1: a kind of nano modification surpasses the preparation method of resistant emulsion paint, it is characterized in that, comprises the steps,
Step one, pre-mixing: add stain-resistant latex polymkeric substance, core-shell type acrylic polymer and multifunctional assistant in dispersion cylinder, makes each component fully mix, generates the fluent meterial of even shape, for subsequent use;
Step 2, dispersed with stirring: in the above-mentioned liquid state material made, add nano TiO 2 compound material slurry, under middle low speed dispersing apparatus, middle stirring at low speed for some time, obtains stably dispersing state, until make fineness at the paint liquid material of below 45um;
Step 3, adds other auxiliary agents: add appropriate film coalescence aid and multifunctional assistant successively, surpass resistant emulsion paint with obtained required nano modification;
Step 4, packaging: above-mentioned nano modification is surpassed resistant emulsion paint and load in tank body.
In above-mentioned steps one, each component fully mixed, its mixing speed controls between 300-500RPM; In above-mentioned steps two, the rotating speed of moderate-speed mixer controls between 500-700RPM; And in step 3, its rotating speed controls between 500-700 RPM.
The mechanism that nano TiO 2 improves anti-soil is as follows:
The titanium atom on nano TiO 2 surface is connected by bridging oxygen with between titanium atom, forms hydrophobic structure; Nano TiO 2 prevents organism in the accumulation of coating surface, its mechanism of action: one is Decomposition, nano TiO 2 constantly decomposes the organism built up in coating surface under light illumination, and the dust that coating surface is adsorbed loses the interlayer " organic binder bond " between coating, thus capacity removing; Two is its Superhydrophilics, produces water membrane, oiliness pollutent and surface are completely cut off at coating surface, not easily in surface accumulation, by above dual function, makes coating have long-term contamination resistance.
ACRYLIC EMULSION is easily cleaned with the Structure Mechanism of high rigidity as follows:
This type of emulsion adopts nucleocapsid structure polymerization, surperficial UV-crosslinked technology; In emulsion polymerization process, introduce functional comonomer such as methyl methacrylate, vinylformic acid, methacrylic acid lower alkyl ester, wet adhesion promote monomer etc., to have outstanding contamination resistance while the emulsion of synthesizing like this has higher hardness.
Claims (8)
1. nano modification surpasses a resistant emulsion paint, it is characterized in that, comprises following component and weight percent thereof:
Water: 5%-10%;
Multifunctional assistant: 2%-2.5%;
Nano TiO 2 compound material: 5%-15%;
Stain-resistant latex polymkeric substance: 45%-50%;
Core-shell type acrylic polymer: 30%-35%;
Film coalescence aid: 2%-3%;
PH conditioning agent: 0.1%-0.2%;
Rheological agent: 0.5%-1%.
2. nano modification surpasses resistant emulsion paint according to claim 1, it is characterized in that, described nano TiO 2 compound material is 70% nano TiO 2 compound material.
3. nano modification surpasses resistant emulsion paint according to claim 2, it is characterized in that, described 70% nano TiO 2 compound material system nanometer Tio2, and its optimum weight hundred parts of ratios are between 7-10%.
4. nano modification surpasses resistant emulsion paint according to claim 1, it is characterized in that, described multifunctional assistant comprises thickening material and defoamer.
5. nano modification surpasses resistant emulsion paint according to claim 4, it is characterized in that, described thickening material is polyurethanes thickening material, and defoamer is mineral oil fitting-type.
6. a preparation method for the super resistance to emulsion paint of nano modification as claimed in claim 1, is characterized in that, comprise the steps:
Step one, pre-mixing: add water, stain-resistant latex polymkeric substance, core-shell type acrylic polymer and multifunctional assistant in dispersion cylinder, makes each component fully mix, generates the fluent meterial of even shape, for subsequent use;
Step 2, dispersed with stirring: in the above-mentioned liquid state material made, add nano TiO 2 compound material slurry, under middle low speed dispersing apparatus, middle stirring at low speed for some time, obtains stably dispersing state, until make fineness at the paint liquid material of below 45um;
Step 3, adds other auxiliary agents: add appropriate film coalescence aid and multifunctional assistant successively, surpass resistant emulsion paint with obtained required nano modification;
Step 4, packaging: above-mentioned nano modification is surpassed resistant emulsion paint and load in tank body.
7. prepare the method that nano modification surpasses resistant emulsion paint according to claim 1, it is characterized in that, in above-mentioned steps one, also need to add PH conditioning agent respectively in dispersion cylinder, in step 3, also need to add appropriate rheological agent.
8. prepare the method that nano modification surpasses resistant emulsion paint according to claim 1, it is characterized in that, in above-mentioned steps one, each component fully mixed, its mixing speed controls between 300-500RPM; In above-mentioned steps two, the rotating speed of middle stirring at low speed controls between 500-600RPM; And in step 3, its rotating speed controls between 500-600 RPM.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510062732.8A CN104559791A (en) | 2015-02-06 | 2015-02-06 | Nano-modified super fouling-resistant emulsion paint and preparation method thereof |
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| CN201510062732.8A CN104559791A (en) | 2015-02-06 | 2015-02-06 | Nano-modified super fouling-resistant emulsion paint and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111548698A (en) * | 2020-06-19 | 2020-08-18 | 佛山市南海双维水性材料有限公司 | Water-based emulsion for high-PVC (polyvinyl chloride) interior wall coating |
| CN114591666A (en) * | 2022-03-05 | 2022-06-07 | 广东顺德嘉乐士涂料有限公司 | Multifunctional surface protective coating and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103614042A (en) * | 2013-12-11 | 2014-03-05 | 广西大学 | Antifouling nano exterior wall coating and preparation method thereof |
| CN103865343A (en) * | 2014-03-19 | 2014-06-18 | 王文贵 | Multifunctional ecological optimizing energy-saving coating and preparation method thereof |
| CN104293059A (en) * | 2014-11-10 | 2015-01-21 | 亚士漆(上海)有限公司 | Stain-resistant matte elastic paint |
-
2015
- 2015-02-06 CN CN201510062732.8A patent/CN104559791A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103614042A (en) * | 2013-12-11 | 2014-03-05 | 广西大学 | Antifouling nano exterior wall coating and preparation method thereof |
| CN103865343A (en) * | 2014-03-19 | 2014-06-18 | 王文贵 | Multifunctional ecological optimizing energy-saving coating and preparation method thereof |
| CN104293059A (en) * | 2014-11-10 | 2015-01-21 | 亚士漆(上海)有限公司 | Stain-resistant matte elastic paint |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111548698A (en) * | 2020-06-19 | 2020-08-18 | 佛山市南海双维水性材料有限公司 | Water-based emulsion for high-PVC (polyvinyl chloride) interior wall coating |
| CN114591666A (en) * | 2022-03-05 | 2022-06-07 | 广东顺德嘉乐士涂料有限公司 | Multifunctional surface protective coating and preparation method thereof |
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