CN109594347B - Aluminum waterproof high-gloss canvas and preparation method thereof - Google Patents
Aluminum waterproof high-gloss canvas and preparation method thereof Download PDFInfo
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- CN109594347B CN109594347B CN201811523669.3A CN201811523669A CN109594347B CN 109594347 B CN109594347 B CN 109594347B CN 201811523669 A CN201811523669 A CN 201811523669A CN 109594347 B CN109594347 B CN 109594347B
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- 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
- D06N3/042—Acrylic polymers
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- 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
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- 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
- D06N3/0065—Organic pigments, e.g. dyes, brighteners
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- 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
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- 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
- D06N3/10—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 styrene-butadiene copolymerisation products or other synthetic rubbers or elastomers except polyurethanes
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- 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
- D06N3/12—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 otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—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 otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
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- 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
- D06N3/12—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 otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—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 otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/145—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 otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes two or more layers of polyurethanes
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- 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
- D06N2209/08—Properties of the materials having optical properties
- D06N2209/0838—Bright, glossy, shiny surface
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- D06N2209/00—Properties of the materials
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/142—Hydrophobic
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- 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
- D06N2209/148—Superabsorbing
Abstract
The invention discloses an aluminum waterproof high-gloss canvas and a preparation method thereof, wherein a canvas substrate is used as a base cloth layer; coating a sealing and priming coating on the canvas substrate; and performing calendaring treatment; then coating a layer of water-based resin priming coating on the back cover coating; and finally, further coating an aluminum waterproof high-gloss ink-absorbing coating on the priming coating. The aluminum waterproof high-gloss ink-absorbing coating comprises: nano-alumina, a bonding agent, a pH regulator, a silane coupling agent, a defoaming agent, a leveling agent, a film-forming assistant and a crosslinking agent. The invention solves the problems that the ink absorbing coating is easy to break, the printing and spray painting effect is poor, the coating is damaged when meeting water and the like when the aluminum waterproof high light ink absorbing coating is coated and applied on canvas at present by adjusting the proportion of nano aluminum oxide and adhesive in the aluminum waterproof high light ink absorbing coating, adding a film forming aid, changing the type of a cross-linking agent, adjusting the thickness of the coating and the like.
Description
The technical field is as follows:
the invention belongs to the field of color spray printing media, and particularly relates to an aluminum waterproof high-gloss canvas and a preparation method thereof.
Technical background:
the canvas refers to cloth which is used for hand drawing or as a color spray printing medium and is formed by coating one or more layers of primer with a back coating layer capable of preventing ink, solvent, water and the like from permeating on a certain specific cloth base material. Canvas used for advertising and upholstery after digital painting is called color-jet ink-jet printing canvas. With the development of the world information era, the ink-jet printing technology is gradually enlarged and the output is rapid, and the color ink-jet printing canvas is widely used for imitating hand painting, decorative painting, landscape ink painting, oil painting artworks and the like. Especially to the imitative of mountain and water ink painting and oil painting work of art, compare with traditional oil painting work of art, the canvas is printed in the color spray inkjet low price, and the advantage of convenient maintenance promotes market demand and development to work of art, domestic culture product, and the demand to the canvas is printed in the color spray inkjet is obviously increased, and the requirement to the printing effect and the outward appearance glossiness of ink jet canvas print media is also higher and higher.
Canvas suitable for inkjet printing in the current market can be classified into a swelling type and a micro-porous type. The swelling type ink-jet printing canvas has high appearance glossiness, mainly absorbs ink by depending on the swelling principle of polyvinyl alcohol, and has slow ink absorption speed influenced by the swelling rate of the polyvinyl alcohol. The characteristic that polyvinyl alcohol is dissolved immediately when meeting water causes the high gloss canvas product to have poor waterproof performance, and the product limitation is obvious under the condition that the existing water-based printer is widely applied. The microporous ink-jet printing canvas mainly absorbs ink by depending on gaps of coating fillers, and has the characteristics of high drying speed and good waterproof performance; the micro-porous ink-jet printing canvas can be divided into an aluminum canvas and a silicon canvas, wherein the silicon micro-porous ink-jet printing canvas has a dull appearance, needs to be added in a later process to improve the glossiness of the appearance, and brings inconvenience to most consumers in use. The aluminum microporous ink-jet printing canvas has high appearance glossiness, does not need to add a procedure in the later stage to achieve the effects of high glossiness and water resistance, and has low cost and simple manufacturing procedure. However, the canvas substrate has strong and clear cloth texture, uneven textile yarns and easy cracking of the aluminum waterproof high-gloss coating, so that the aluminum waterproof high-gloss coating is applied to the canvas, and when the aluminum waterproof high-gloss canvas is produced, the problems of ink absorption coating breakage, uneven printing and painting effect and the like easily occur.
The invention content is as follows:
the invention aims to provide an aluminum waterproof highlight canvas and a preparation method thereof, which solve the technical defects of easy ink absorption coating fracture, uneven printing color, poor waterproof performance and the like of the conventional aluminum waterproof highlight canvas by adjusting the proportion of nano aluminum oxide and an adhesive in an aluminum waterproof highlight ink absorption coating, adding a film forming aid, changing the type of a cross-linking agent and adjusting the thickness of the ink absorption coating.
The technical scheme adopted for achieving the purpose is as follows:
an aluminum waterproof high-gloss canvas is characterized in that a canvas substrate is adopted as a base cloth layer, a back cover coating is coated on the canvas substrate, and press polishing treatment is carried out; then coating a layer of water-based resin priming coating on the back cover coating; and finally, further coating an aluminum waterproof high-gloss ink-absorbing coating on the priming coating.
The base material layer is base materials such as polyester-cotton blended base cloth (the content of polyester is less than or equal to 60%), cotton base cloth, chemical fiber cotton-like cloth, flax, chemical fiber shading cloth and the like.
The aluminum waterproof high-gloss canvas is characterized in that the back cover coating is a water-based acrylic coating or a water-based polyurethane coating, and the formula comprises the following components in parts by weight: 80-100 parts of filler, 40-70 parts of adhesive, 0.5-1 part of dispersant and 1-2 parts of other auxiliary agents; the filler is one or more of talcum powder, lithopone, nano titanium dioxide, light calcium carbonate and kaolin, wherein the average particle size of the nano titanium dioxide is 0.1-1 micron, and the average particle size of the light calcium carbonate is 1-5 microns; the adhesive is one or more of polyvinyl alcohol, acrylic resin, pure acrylic emulsion and polyurethane resin; the other auxiliary agents are defoaming agents, flatting agents and the like.
The priming coating is water-based self-crosslinking acrylic resin or water-based polyurethane resin.
The aluminum waterproof highlight canvas is characterized in that the formula of the aluminum waterproof highlight ink-absorbing coating paint comprises the following components in parts by weight: 100 parts of nano aluminum oxide; 15-25 parts of an adhesive; 0.5-1.0 part of pH regulator; 0.5-1.0 part of silane coupling agent; 10-20 parts of a cosolvent; 0.2-0.5 part of leveling agent; 5-15 parts of a film-forming assistant; 0.5-1 part of a cross-linking agent;
the nano alumina is boehmite type nano alumina, and the chemical composition is AIOOH2O, the grain diameter is 10-20 nanometers;
the adhesive is one or more of polyvinyl alcohol, styrene-butadiene latex, polyurethane and pure acrylic latex;
the pH regulator is one or more of nitric acid, acetic acid and hydrochloric acid;
the cosolvent is isopropanol, n-butanol, dimethylformamide, propylene glycol monomethyl ether and dipropylene glycol methyl ether;
the flatting agent is fluorine modified acrylic copolymer;
the film-forming assistant is one or more of polyethylene glycol (molecular weight 200-;
the cross-linking agent is one or more of boric acid, borax, glyoxal, glutaraldehyde, epoxy resin and urea resin.
The preparation method of the aluminum waterproof high-gloss canvas comprises the following steps:
(1) preparation of primer coating
Preparation of the dispersion: under the condition of stirring, adding 80-100 parts of filler and 0.5-1 part of dispersant into deionized water, slowly increasing the stirring speed to above 2300r/min, and carrying out high-speed shearing dispersion for 60-90min to prepare a dispersion liquid with the solid content of 30-50% for later use.
Preparing finished materials: slowly adding 40-70 parts of adhesive and 1-2 parts of other auxiliary agents into the dispersion liquid under the condition that the stirring speed is 300-500r/min, stirring for 20-30min, filtering by a 160-mesh sieve, and defoaming for later use.
(2) Preparation of aluminum waterproof highlight ink-absorbing coating
Preparation of the dispersion: under the condition of stirring, adding 100 parts of nano aluminum oxide, 0.5-1.0 part of pH regulator and 0.5-1.0 part of silane coupling agent into deionized water, slowly increasing the stirring speed to be more than 2300r/min, dispersing at high speed for 90min, and preparing dispersion liquid with solid content of 20-30% and pH of 3-5 for later use;
curing of the dispersion: placing the dispersion liquid in a water bath box at 65 +/-5 ℃, curing for 12 hours, keeping the pH value of the dispersion liquid between 3 and 5, and ensuring that the silane coupling agent is fully hydrolyzed for later use;
preparing finished materials: slowly adding 15-25 parts of adhesive, 10-20 parts of cosolvent, 0.5-1.0 part of flatting agent, 5-15 parts of film-forming assistant and 0.5-1 part of cross-linking agent into the cured dispersion liquid at the temperature of 50 +/-5 ℃ and the stirring speed of 300-500r/min, stirring for 20-30min, filtering by a 300-mesh sieve, and defoaming for later use.
(3) The coating and manufacturing process of the aluminum waterproof highlight canvas comprises the following steps:
coating the bottom sealing coating by a needle plate scraper coating mode, drying by a hot air oven at the temperature of 120-150 ℃, and coating for 1-3 times to obtain 60-180 g/square meter of bottom sealing coating;
calendering with a calender at a pressure of 0.4 MPa;
coating a layer of water-based self-crosslinking acrylic resin or polyurethane resin priming coating on the back cover coating in a bar coating mode, and drying the priming coating in a hot air oven at the temperature of 90-120 ℃ to obtain 10-15 g/square meter of the priming coating;
and (3) coating an aluminum waterproof highlight ink absorption coating on the priming coating in a gradient coating mode, and drying by a hot air oven at 90-105 ℃ to obtain 30-40 g/m of aluminum waterproof highlight ink absorption coating, thereby finally obtaining the aluminum waterproof highlight canvas.
The invention solves the problems that the existing aluminum waterproof high-gloss coating is easy to crack, poor in printing and spray painting effect, damaged when meeting water and the like when being coated on canvas by adjusting the proportion of nano aluminum oxide and adhesive in the aluminum waterproof high-gloss ink absorption coating, adding a film forming aid, changing the type of a cross-linking agent, adjusting the thickness of the coating and the like.
Detailed Description
The present invention will be described in further detail with reference to specific examples
Detailed description of the preferred embodiment 1
An aluminum waterproof high-gloss canvas is characterized in that a canvas substrate is adopted as a base cloth layer, a back cover coating is coated on the canvas substrate, and press polishing treatment is carried out; then coating a layer of water-based resin priming coating on the back cover coating; and finally, further coating an aluminum waterproof high-gloss ink-absorbing coating on the priming coating.
The base material layer is preferably polyester-cotton blended base fabric (the polyester content is less than or equal to 60%), and the yarn weaving coefficient is as follows: 16+ 16X 10, gram weight 200 g.
The bottom sealing coating is a water-based acrylic coating or a water-based polyurethane coating, and the formula comprises the following components in parts by weight: 80 parts of filler, 55 parts of adhesive, 0.5 part of dispersant and 2 parts of other auxiliary agents; the filler is one or more of talcum powder, lithopone, nano titanium dioxide, light calcium carbonate and kaolin, wherein the average particle size of the nano titanium dioxide is 0.1-1 micron, and the average particle size of the light calcium carbonate is 1-5 microns; the adhesive is one or more of polyvinyl alcohol, acrylic resin, pure acrylic emulsion and polyurethane resin; the other auxiliary agents are defoaming agents, flatting agents and the like.
The priming coating is water-based self-crosslinking acrylic resin glue or water-based polyurethane resin glue.
The formula of the aluminum waterproof highlight ink-absorbing coating comprises the following components in parts by weight: 100 parts of nano aluminum oxide; 15 parts of an adhesive; 0.5 part of pH regulator; 0.5 part of a silane coupling agent; 15 parts of a cosolvent; 0.2 part of a leveling agent; 5 parts of a film-forming assistant; 0.5 part of a crosslinking agent;
the nano alumina is boehmite type nano alumina, and the chemical composition is AIOOH2O, the grain diameter is 10-20 nanometers;
the adhesive is preferably polyvinyl alcohol, the polymerization degree is more than or equal to 2500, and the alcoholysis degree is 88%;
the pH regulator is preferably a nitric acid aqueous solution with the effective content of 10 percent;
the cosolvent is preferably isopropanol or dimethylformamide;
the leveling agent is preferably fluorine modified acrylic copolymer;
the plasticizer is preferably alcohol ester twelve;
the cross-linking agent is preferably boric acid and borax.
The preparation method of the aluminum waterproof high-gloss canvas comprises the following steps:
(1) preparation of primer coating
Preparation of the dispersion: under the condition of stirring, adding 80 parts of filler and 0.5 part of dispersant into deionized water, slowly increasing the stirring speed to be more than 2300r/min, and carrying out high-speed shearing and dispersion for 60-90min to prepare a dispersion liquid with the solid content of 30-50% for later use;
preparing finished materials: under the condition of stirring speed of 300-500r/min, slowly adding 55 parts of adhesive and 2 parts of other auxiliary agents into the dispersion, stirring for 20-30min, filtering by a 160-mesh sieve, and defoaming for later use.
(2) Preparation of aluminum waterproof highlight ink-absorbing coating
Preparation of the dispersion: under the condition of stirring, adding 100 parts of nano-alumina, 0.5 part of pH regulator and 0.5 part of silane coupling agent KH-560 into deionized water, slowly increasing the stirring speed to more than 2300r/min, and dispersing at high speed for 90min to prepare a dispersion liquid with the solid content of 20-30% and the pH of 3-5 for later use;
curing of the dispersion: placing the dispersion liquid in a water bath tank with the temperature of 65 +/-5 ℃, curing for 12 hours, keeping the pH value of the dispersion liquid between 3 and 5, and ensuring that the silane coupling agent KH-560 is fully hydrolyzed for later use;
preparing finished materials: slowly adding 15 parts of adhesive, 15 parts of cosolvent, 0.2 part of flatting agent, 5 parts of film-forming aid alcohol ester dodeca and 0.5 part of cross-linking agent borax and boric acid mixed aqueous solution into the cured dispersion liquid at the temperature of 50 +/-5 ℃ and the stirring speed of 300-500r/min, stirring for 20-30min, filtering by a 300-mesh sieve, and defoaming for later use.
(3) The coating and manufacturing process of the aluminum waterproof highlight canvas comprises the following steps:
coating a bottom sealing coating on the base cloth by a needle plate scraper coating mode, drying by a hot air oven at the temperature of 120-;
coating a layer of water-based self-crosslinking acrylic resin or polyurethane resin priming coating on the back cover coating in a bar coating mode, and drying the priming coating in a hot air oven at the temperature of 90-120 ℃ to obtain 10 g/square meter of the priming coating;
and (3) coating an aluminum water-based ink absorption coating on the priming coating in a gradient coating mode, and drying by a hot air oven at 90-105 ℃ to obtain 30 g/square meter of aluminum waterproof high-gloss ink absorption coating, thereby finally obtaining the aluminum waterproof high-gloss canvas.
Example 1 comparative example 1
This comparative example is the same as example 1 except that: in the formula of the aluminum waterproof high-gloss ink-absorbing coating, the adhesive is added up to 25 parts.
Example 1 comparative example 2
This comparative example is the same as example 1 except that: in the formula of the aluminum waterproof highlight ink-absorbing coating, the film-forming aid is increased to 15 parts.
Example 1 comparative example 3
This comparative example is the same as example 1 except that: in the formula of the aluminum waterproof high-gloss ink-absorption coating, the cross-linking agent is increased to 1 part.
Specific example 2
The base material layer is preferably chemical fiber cloth base cloth.
The back cover coating is the same as in example 1.
The primer coating was the same as in example 1.
The formula of the aluminum waterproof highlight ink-absorbing coating comprises the following components in parts by weight: 100 parts of nano aluminum oxide; 20 parts of an adhesive; 0.5 part of pH regulator; 0.5 part of a silane coupling agent; 15 parts of a cosolvent; 0.5 part of a leveling agent; 5 parts of a film-forming assistant; 0.7 part of a crosslinking agent;
the film-forming auxiliary agent is preferably hexanediol butyl ether acetate;
the crosslinking agent is preferably an epoxy resin.
A preparation method of an aluminum waterproof high-gloss canvas comprises the following steps:
(1) preparation of primer coating the same as in example 1, step (1)
(2) Preparation of aluminum waterproof highlight ink-absorbing coating
The dispersion was prepared as in example 1
The dispersion was aged in the same manner as in example 1
Preparing finished materials: slowly adding 20 parts of adhesive, 15 parts of cosolvent, 0.5 part of flatting agent, 5 parts of film-forming aid hexanediol butyl ether acetate and 0.7 part of cross-linking agent epoxy resin into the cured dispersion liquid at the temperature of 50 +/-5 ℃ and the stirring speed of 300-500r/min, stirring for 20-30min, filtering by a 300-mesh sieve, and defoaming for later use;
(3) the difference between the coating and manufacturing process of the aluminum waterproof high-gloss canvas and the step (3) in the embodiment 1 is as follows: wherein the bottom sealing coating is dried by a hot air oven at the temperature of 120-150 ℃ and coated for 2 times to obtain 120 g of bottom sealing coating per square meter.
Example 2 comparative example 1
This comparative example is the same as example 2 except that: the coating amount of the aluminum waterproof high-gloss ink-absorbing coating is controlled to be 35 g/m.
Example 2 comparative example 2
This comparative example is the same as example 2 except that: the coating weight of the aluminum waterproof high-gloss ink-absorbing coating is controlled to be 40 g/m.
And (3) testing performance parameters:
| gram weight of coating layer g/m2 | Ink receptive coating fracture | Print drying time | |
| Common aluminum highlight canvas | 30 | Is easy to break | 10-15s |
| Common aluminum highlight canvas | 40 | Is easy to break | 8-10s |
| Example 1 | 30 | Does not break | 3-4s |
| Example 1 comparative example 1 | 30 | Does not break | 5-6s |
| Example 1 comparative example 2 | 30 | Does not break | 5-6s |
| Example 1 comparative example 3 | 30 | Does not break | 3-4s |
| Example 2 | 30 | Does not break | 5-6s |
| Example 2 comparative example 1 | 35 | Does not break | 3-4s |
| Example 2 comparative example 2 | 40 | Does not break | 1-2s |
Claims (6)
1. An aluminum waterproof high-gloss canvas is characterized in that a canvas substrate is adopted as a base cloth layer, a sealing base coat is coated on the canvas substrate, and press polishing treatment is carried out; then coating a layer of water-based resin priming coating on the back cover coating; finally, further coating an aluminum waterproof high-gloss ink-absorbing coating on the priming coating;
the formula of the aluminum waterproof highlight ink-absorbing coating comprises the following components in parts by weight: 100 parts of nano aluminum oxide; 15-25 parts of an adhesive; 0.5-1.0 part of pH regulator; 0.5-1.0 part of silane coupling agent; 10-20 parts of a cosolvent; 0.2-0.5 part of leveling agent; 5-15 parts of a film-forming assistant; 0.5-1 part of a cross-linking agent;
the nano alumina is boehmite type nano alumina, and the chemical composition is ALOOH2O, the grain diameter is 10-20 nanometers;
the adhesive is one or more of polyvinyl alcohol, styrene-butadiene latex, polyurethane and pure acrylic latex;
the pH regulator is one or more of nitric acid, acetic acid and hydrochloric acid;
the cosolvent is isopropanol, n-butanol, dimethylformamide, propylene glycol monomethyl ether and dipropylene glycol methyl ether;
the flatting agent is fluorine modified acrylic copolymer;
the film-forming assistant is one or more of polyethylene glycol with molecular weight of 200-600, alcohol ester dodeca, hexanediol butyl ether acetate and 3-ethoxy ethyl propionate;
the cross-linking agent is one or more of boric acid, borax, glyoxal, glutaraldehyde, epoxy resin and urea resin.
2. The aluminum waterproof high-gloss canvas according to claim 1, wherein the base fabric layer is one of polyester-cotton blended base fabric, cotton base fabric, chemical fiber cotton-like fabric, flax and chemical fiber shading fabric base material.
3. The aluminum waterproof high-gloss canvas as claimed in claim 2, wherein the polyester content of the polyester-cotton blended base cloth is less than or equal to 60%.
4. The aluminum waterproof high-gloss canvas according to claim 1, wherein the back cover coating is a water-based acrylic paint coating or a water-based polyurethane paint coating, and the formulation comprises the following components in parts by weight: 80-100 parts of filler, 40-70 parts of adhesive, 0.5-1 part of dispersant and 1-2 parts of other auxiliary agents; the filler is one or more of talcum powder, lithopone, nano titanium dioxide, light calcium carbonate and kaolin, wherein the average particle size of the nano titanium dioxide is 0.1-1 micron, and the average particle size of the light calcium carbonate is 1-5 microns; the adhesive is one or more of polyvinyl alcohol, acrylic resin, pure acrylic emulsion and polyurethane resin; the other auxiliary agents are defoaming agents and leveling agents.
5. The canvas of claim 1, wherein the Al waterproof high gloss ink receptive coating has a pH of 4-5 and a solids content of 15-20%.
6. The method for preparing the aluminum waterproof high gloss canvas according to any one of claims 1 to 5, wherein: the method comprises the following steps:
(1) preparation of primer coating
Preparation of the dispersion: under the condition of stirring, adding 80-100 parts of filler and 0.5-1 part of dispersant into deionized water, slowly increasing the stirring speed to be more than 2300r/min, and carrying out high-speed shearing and dispersion for 60-90min to prepare dispersion liquid with the solid content of 30-50% for later use;
preparing finished materials: slowly adding 40-70 parts of adhesive and 1-2 parts of other auxiliary agents into the dispersion liquid under the condition that the stirring speed is 300-500r/min, stirring for 20-30min, filtering by a 160-mesh sieve, and defoaming for later use;
(2) preparation of aluminum waterproof highlight ink-absorbing coating
Preparation of the dispersion: under the condition of stirring, adding 100 parts of nano aluminum oxide, 0.5-1.0 part of pH regulator and 0.5-1.0 part of silane coupling agent into deionized water, slowly increasing the stirring speed to 2300r/min, dispersing at high speed for 90min to prepare dispersion liquid with solid content of 20-30% and pH of 3-5 for later use;
curing of the dispersion: placing the dispersion liquid in a water bath box at 65 +/-5 ℃, curing for 12 hours, keeping the pH value of the dispersion liquid between 3 and 5, and ensuring that the silane coupling agent is fully hydrolyzed for later use;
preparing finished materials: slowly adding 15-25 parts of adhesive, 10-20 parts of cosolvent, 0.5-1.0 part of flatting agent, 5-15 parts of film-forming assistant and 0.5-1 part of cross-linking agent into the cured dispersion liquid at the temperature of 50 +/-5 ℃ and the stirring speed of 300-500r/min, stirring for 20-30min, filtering by a 300-mesh sieve, and defoaming for later use;
(3) the coating and manufacturing process of the aluminum waterproof highlight canvas comprises the following steps:
coating a bottom sealing coating on the base cloth by a needle plate scraper coating mode, drying by a hot air oven at the temperature of 120-;
calendering with a calender at a pressure of 0.4 MPa;
coating a layer of water-based self-crosslinking acrylic resin or polyurethane resin priming coating on the back cover coating in a bar coating mode, and drying the priming coating in a hot air oven at the temperature of 90-120 ℃ to obtain 10-15 g/square meter of the priming coating;
and (3) coating an aluminum waterproof high-gloss ink-absorbing coating on the priming coating in a gradient coating mode, and drying by a hot air oven at 90-105 ℃ to obtain 30-40 g/m of aluminum waterproof high-gloss ink-absorbing coating.
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| CN110962409A (en) * | 2019-11-11 | 2020-04-07 | 嘉兴市科富喷绘材料有限公司 | Painting with oil painting texture and manufacturing method thereof |
| CN111041891A (en) * | 2019-12-30 | 2020-04-21 | 广东高璐美数码科技有限公司 | Waterproof highlight color-spray coating and preparation method thereof |
| CN113265884A (en) * | 2021-05-19 | 2021-08-17 | 江苏浙创纺织科技有限公司 | High-gloss waterproof chemical fiber photo spray painting canvas |
| CN113322689A (en) * | 2021-05-28 | 2021-08-31 | 江苏浙创纺织科技有限公司 | High-gloss waterproof pure cotton photo spray painting canvas |
| CN115125738B (en) * | 2022-05-31 | 2023-07-25 | 江苏凤凰画材科技股份有限公司 | Preparation method of Tang-Ka canvas |
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