CN114013209A - Weak solvent canvas capable of coating 3-blade coating at one time - Google Patents
Weak solvent canvas capable of coating 3-blade coating at one time Download PDFInfo
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- CN114013209A CN114013209A CN202111302808.1A CN202111302808A CN114013209A CN 114013209 A CN114013209 A CN 114013209A CN 202111302808 A CN202111302808 A CN 202111302808A CN 114013209 A CN114013209 A CN 114013209A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
- B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
- B44D3/18—Boards or sheets with surfaces prepared for painting or drawing pictures; Stretching frames for canvases
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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
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
-
- 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
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
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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
-
- 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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a weak solvent canvas capable of coating a 3-blade coating at one time, which comprises the following steps: (1) installing and placing grey cloth; (2) 1, coating the precision of a knife; (3) 2, coating the precision coating; (4) and 3, precision coating. The weak solvent canvas capable of coating 3 knives at one time has high production efficiency: the innovative coating mode is characterized in that on the premise of not increasing the occupied area of coating machine equipment, according to the actual production process requirements of products, the equipment is upgraded and modified, only one-time coating is needed, and repeated coating is not needed for many times, so that 3-knife coating can be carried out, and a gray cloth base material enters a machine head from a machine tail to be rolled out and is directly finished canvas; by adopting an innovative coating mode, after the gray cloth base material is placed into a station of a coating machine, only one-time coating is needed, the coating can be directly carried out for 3 times, and when the tail is rolled up, the finished product is directly obtained.
Description
Technical Field
The invention relates to the technical field of canvas, in particular to a weak solvent canvas capable of coating a 3-blade coating layer at one time.
Background
The canvas is a cloth for painting on which a coating substrate for preventing penetration of oil, solvent, water, etc. is coated on a specific cloth substrate. The coated cloth for spray painting, portrayal, indoor and outdoor advertisement, lamp box, etc. is also called canvas. The canvas is made of compact and flat cotton canvas and linen. The chemical fiber cloth is extremely smooth and clean, and is suitable for spray painting and printing.
At present, most of the equipment for producing the canvas is produced by coating machines which can only carry out single-blade coating once, and the types of the coating machine equipment in the market are different, including the configuration of each functional accessory on the equipment, the energy of the functional accessory, and the production operation flow of the produced product are basically consistent although the types of the coating machine equipment are different. Coating machines capable of single-blade coating only once have two major fatal drawbacks: the production efficiency is low; the production loss is large, so we propose a weak solvent canvas which can be coated with 3-knife coating at one time, so as to solve the problems proposed in the above.
Disclosure of Invention
The invention aims to provide a weak solvent canvas capable of coating a 3-blade coating at one time, which aims to solve the problem that the production efficiency of the existing canvas production equipment is low in the background technology; the production loss is large.
In order to achieve the purpose, the invention provides the following technical scheme: a disposable 3-blade coatable weak solvent canvas comprising the steps of:
(1) installing and placing gray fabric: putting a chemical fiber gray cloth substrate roll which is processed on the surface but not coated on the surface into an unreeling station of a 360-type intelligent coating machine, starting the machine, and pressing an acceleration button to enable the gray cloth to continuously move forwards at a constant speed along a cloth guide roller;
(2) 1, precision coating of a cutter: the method is characterized in that a high-wear-resistance scraper with a knife edge of 3.0 is used for scraping, the used coating is special priming coating for weak solvent canvas, the knife edge mainly plays a role in sealing holes of the gray cloth, when the gray cloth passes through the No. 1 scraper, the scraper can scrape redundant coating on the surface of the gray cloth, and after the gray cloth passes through the scraper, the surface of the gray cloth is scraped with a layer of uniform priming wet glue;
(3) 2, precision coating: the knife is also coated by a high-wear-resistance scraper with a knife edge of 3.0, the used coating is the same as that of the coating of the knife edge 1 and is a special base material for weak solvent canvas, the knife coating mainly plays a role in weight increment and whitening, an operator of the knife coating stands above a needle plate rail and behind the scraper, the coating is added to the front of the scraper on a manual station, and the base material is directly sent into a high-temperature oven for drying after being coated by the scraper of the knife edge 2;
(4) 3, precision coating: the 3 rd knife precision coating is finished in the platform area of the second layer, a high-wear-resistance scraper with a knife edge of 3.0 is also adopted for blade coating, the base material which is coated with the priming coating twice is coated, and when the 3 rd knife coating is finished, the last 1 knife of the weak solvent high gloss photo spray painting canvas is coated with the glue, the coating used in the knife is the weak solvent high gloss coating, and if the coating is used for weak solvent matte photo spray painting canvas, the knife is used.
Preferably, the length of the drying box used in the step (3) is 27 meters, the speed for conveying the cloth is 20m/s, the drying time is 80s, and the drying temperature is 80-170 ℃.
Preferably, the length of the drying box used in the step (4) is 6 meters, the drying time is 36s, and the drying temperature is 90-110 ℃.
Preferably, the formulation of the primer used in step (2) is:
water: 200-300 kilograms;
natural stone powder A: 60-100 kg;
dispersing agent: 5-10 kg;
defoaming agent: 2-10 kg;
PVA glue: 200-300 kilograms;
natural stone powder E: 200-300 kilograms;
natural stone powder D: 200-300 kilograms;
natural stone powder C: 200-300 kilograms;
natural stone powder B: 250-300 kilograms;
VAE emulsion A: 300-600 kg;
VAE emulsion B: 300-500 kg;
whitening agent: 2-4 kg;
plasticizer: 30-40 kg;
surfactant (b): 5-10 kg;
the step (2) and the step (3) use the same coating.
Preferably, the preparation process of the primer in the step (2) is as follows:
adding water into a barrel of a stirrer, starting a motor, slowly increasing the rotating speed to 1440 revolutions, then sequentially adding a dispersing agent, a defoaming agent and a surfactant, and after adding each auxiliary agent, adding another auxiliary agent after the middle of the mixture is required to wait for 10 minutes;
slowly adding the natural stone powder A after the surfactant is dispersed at a high speed for 10 minutes, slowly adding the natural stone powder E after the surfactant is continuously dispersed at a high speed for 30 minutes, and reducing the rotating speed to 800 revolutions after the surfactant is dispersed at a high speed for 20 minutes;
then adding PVA emulsion, continuously stirring for 10 minutes at the rotating speed of 800 revolutions, then increasing the rotating speed of a motor to 1440 revolutions, slowly adding the natural stone powder B, and slowly decreasing the rotating speed of a stirrer motor to 800 revolutions after continuously dispersing for 20 minutes at high speed;
then sequentially adding VAE emulsion A and VAE emulsion B into the barrel, continuously stirring for 20 minutes, increasing the rotating speed to 1440 revolutions, sequentially adding natural stone powder C and natural stone powder D, directly dispersing for 60 minutes at high speed after all the natural stone powder C and the natural stone powder D are added, and then reducing the rotating speed of a motor to 800 revolutions;
and finally, a streamline adding mode is also adopted, the plasticizer is added firstly, after 10 minutes, the whitening agent is added, all the raw materials are added, then the stirring is continued for 30 minutes, and finally, the mixture is filtered by a special filter screen and used on the machine.
Preferably, the formula of the weak-solvent high-gloss top-coat paint used in the step (4) is as follows:
acrylic emulsion A: 1000-1100 kg;
acrylic emulsion B: 400-500 kg;
surfactant A: 1-5 kg;
surfactant B: 1-4 kg;
defoaming agent: 1-5 kg;
thickening agent: 2-8 kg;
a bridging agent: 0.1-0.8 kg;
whitening agent: 1-5 kg.
Preferably, the manufacturing process of the weak-solvent high-gloss surface glue coating used in the step (4) comprises the following steps:
slowly adding acrylic emulsion A into a barrel of a high-speed stirring dispersion machine, starting a stirrer, slowly adjusting the rotating speed of a motor to 600 revolutions, slowly adding acrylic emulsion B, and directly stirring for 30 minutes after all acrylic emulsion B is added;
then, a streamline adding mode is also adopted, the surfactant A is added firstly, after 10 minutes, the surfactant B is slowly added, after 10 minutes, the bridging agent is added, and after all the surfactant A and the bridging agent are added, the mixture is continuously stirred for 30 minutes;
and finally, sequentially adding the defoaming agent, the whitening agent and the thickening agent, waiting for 10 minutes after adding one auxiliary agent, adding the next auxiliary agent, and continuously stirring for 40 minutes after adding all the auxiliary agents, so that the machine can be stopped and filtered for loading.
Preferably, the formula of the low-solvent matte top-coat paint used in the step (4) is as follows:
acrylic emulsion A: 100-300 kilograms;
acrylic emulsion B: 50-200 kg;
matte dispersion solution: 100-200 kg;
surfactant A: 1-3 kg;
surfactant B: 1-3 kg;
defoaming agent: 1-3 kg;
thickening agent: 1-3 kg;
a bridging agent: 1-3 kg, and the preparation process of the weak solvent matte surface glue coating comprises the following steps: firstly adding acrylic emulsion A into a barrel of a stirrer, then slowly adjusting the rotating speed of a motor to 800 revolutions, then pouring acrylic emulsion B into the barrel, then adding a defoaming agent in a streamline adding mode, and directly mixing and stirring for 15 minutes after all the acrylic emulsion A is added;
then adding a surfactant A in a streamline adding mode, waiting for 15 minutes, adding a surfactant B, continuously stirring for 15 minutes, increasing the rotating speed to 1440 revolutions, then adding a prepared matte dispersing solution, and directly dispersing at a high speed for 60 minutes after all the surfactant A is added;
and then reducing the rotating speed of the motor to 800 revolutions, slowly adding the bridging agent in a streamline adding mode, continuously stirring for 10 minutes, adding the thickening agent, directly stirring for 30 minutes after all the bridging agent is added, and stopping the filter screen for filtering and waiting for loading.
Preferably, the formula of the matte dispersion solution in the weak solvent matte surface glue coating formula is as follows:
water: 200-300 kg
Dispersing agent: 1-5 kg
White carbon black: 10-20 kg
Silicon dioxide: 20-60 kg
Nano adsorbent: 20-80 kg, and the preparation process of the matte dispersion solution comprises the following steps: firstly, water is put into a barrel of a high-speed dispersion stirrer, then the stirrer is started, the rotating speed of a motor is slowly increased to 1440 revolutions, then a streamline adding mode is adopted, a dispersing agent is slowly added, after the dispersing agent is completely added, the high-speed dispersion is directly carried out for 15 minutes, then according to the sequence of the formula, white carbon black, silicon dioxide, a nano adsorbent and all the raw materials are sequentially added, the high-speed dispersion is directly carried out for 60 minutes at the rotating speed of 1440 revolutions, and then the machine is stopped and filtered by a special filter screen for standby application.
Compared with the prior art, the invention has the beneficial effects that: the disposable 3-blade coatable weak solvent canvas:
(1) the production efficiency is high: the innovative coating mode is characterized in that on the premise of not increasing the occupied area of coating machine equipment, according to the actual production process requirements of products, the equipment is upgraded and modified, only one-time coating is needed, and repeated coating is not needed for many times, so that 3-knife coating can be carried out, a blank cloth base material enters a machine head from a machine tail to be rolled out, and is directly finished canvas, and the more times of coating are, the more the advantage of high efficiency is obvious;
by adopting an innovative coating mode, after the gray cloth base material is placed into a station of a coating machine, only one-time coating is needed, the coating can be directly carried out for 3 times, and when the tail is rolled up, the finished product is directly obtained.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A disposable 3-blade coatable weak solvent canvas comprising the steps of:
(1) installing and placing gray fabric: putting a chemical fiber gray cloth substrate roll which is processed on the surface but not coated on the surface into an unreeling station of a 360-type intelligent coating machine, starting the machine, and pressing an acceleration button to enable the gray cloth to continuously move forwards at a constant speed along a cloth guide roller;
after the gray cloth is taken out from the roll, the gray cloth firstly moves towards the angle direction of about 50 degrees at the lower part, directly moves towards the direction of about 50 degrees at the upper part after passing through the lower part of one cloth guide roller, moves towards the direction of about 85 degrees at the lower part after passing through the upper parts of two cloth guide rollers (cloth tightening frames), finally passes through the lower part of one cloth guide roller, passes through the lower part of a manual platform with the 1 st knife coating, then passes through a plurality of rollers, and is expanded through an expanding roller, and the 1 st knife precision coating is carried out.
(2) 1, precision coating of a cutter: the method is characterized in that a high-wear-resistance scraper with a knife edge of 3.0 is used for scraping, the used coating is special priming coating for weak solvent canvas, the knife edge mainly plays a role in sealing holes of the gray cloth, when the gray cloth passes through the No. 1 scraper, the scraper can scrape redundant coating on the surface of the gray cloth, and after the gray cloth passes through the scraper, the surface of the gray cloth is scraped with a layer of uniform priming wet glue;
the gray cloth with wet glue on the surface is stretched by the tenter pin plates on two sides of the machine after passing through the scraper blade 1, and continuously moves forwards under the driving of the pulling force of the pin plates, after passing through the scraper blade 1 for about 3 meters, and before formally entering the oven, the coating of the blade 2 is directly carried out on the surface of the base material coated with the coating of the blade 1, and then the base material enters the oven.
(3) 2, precision coating: the knife is also coated by a high-wear-resistance scraper with a knife edge of 3.0, the used coating is the same as that of the coating of the knife edge 1 and is a special base material for weak solvent canvas, the knife coating mainly plays a role in weight increment and whitening, an operator of the knife coating stands above a needle plate rail and behind the scraper, the coating is added to the front of the scraper on a manual station, and the base material is directly sent into a high-temperature oven for drying after being coated by the scraper of the knife edge 2; the length of the drying box is 27 meters, the speed for conveying the cloth is 20m/s, the drying time is 80s, and the drying temperature is 80-170 ℃;
the substrate, the surface of which has been coated twice, enters a high-temperature oven with a length of 27 meters and moves forwards in the oven at a speed of 20 meters per minute, the substrate needs to be dried in the oven for more than 80 seconds at a high temperature of 80-170 degrees in the whole drying process, the surface is in a dried state after the substrate exits the oven, and after the substrate is separated from a needle plate, the substrate finally passes below a cloth guide roller and then moves upwards at an angle of about 90 degrees instead of moving towards the rolling direction.
After moving upwards, the substrate will pass through two fabric guide rollers with adjustable angle and tension, and then will continue to move towards the upper right direction by about 45 degrees, and finally the substrate will come to the platform area of the second layer, i.e. the precision coating of the 3 rd knife will be completed in this area.
After entering the area, the substrate passes through the tension combination of the three rollers, and after coming out of the tension combination, the substrate moves towards the lower right direction by about 45 degrees, passes under a cloth guide roller, passes under a 3 rd knife precision coating manual platform, passes under a cloth guide roller, directly moves upwards, and then carries out 3 rd knife precision coating
The formula of the priming paint used in coating is as follows:
water: 200-300 kilograms;
natural stone powder A: 60-100 kg;
dispersing agent: 5-10 kg;
defoaming agent: 2-10 kg;
PVA glue: 200-300 kilograms;
natural stone powder E: 200-300 kilograms;
natural stone powder D: 200-300 kilograms;
natural stone powder C: 200-300 kilograms;
natural stone powder B: 250-300 kilograms;
VAE emulsion A: 300-600 kg;
VAE emulsion B: 300-500 kg;
whitening agent: 2-4 kg;
plasticizer: 30-40 kg;
surfactant (b): 5-10 kg;
the step (2) is the same as the step (3) in the used coating;
the preparation process of the priming paint used in coating comprises the following steps:
adding water into a barrel of a stirrer, starting a motor, slowly increasing the rotating speed to 1440 revolutions, then sequentially adding a dispersing agent, a defoaming agent and a surfactant, and after adding each auxiliary agent, adding another auxiliary agent after the middle of the mixture is required to wait for 10 minutes;
slowly adding the natural stone powder A after the surfactant is dispersed at a high speed for 10 minutes, slowly adding the natural stone powder E after the surfactant is continuously dispersed at a high speed for 30 minutes, and reducing the rotating speed to 800 revolutions after the surfactant is dispersed at a high speed for 20 minutes;
then adding PVA emulsion, continuously stirring for 10 minutes at the rotating speed of 800 revolutions, then increasing the rotating speed of a motor to 1440 revolutions, slowly adding the natural stone powder B, and slowly decreasing the rotating speed of a stirrer motor to 800 revolutions after continuously dispersing for 20 minutes at high speed;
then sequentially adding VAE emulsion A and VAE emulsion B into the barrel, continuously stirring for 20 minutes, increasing the rotating speed to 1440 revolutions, sequentially adding natural stone powder C and natural stone powder D, directly dispersing for 60 minutes at high speed after all the natural stone powder C and the natural stone powder D are added, and then reducing the rotating speed of a motor to 800 revolutions;
finally, the method of streamline addition is also adopted, the plasticizer is added firstly, after 10 minutes, the whitening agent is added, all the raw materials are added, then the stirring is continued for 30 minutes, and finally the mixture is filtered by a special filter screen and used on the machine
(4) 3, precision coating: the 3 rd knife precision coating is finished in the platform area of the second layer, a high-wear-resistance scraper with a knife edge of 3.0 is also adopted for knife coating, the base material which is coated with the priming coating for two times is coated, and when the 3 rd knife coating is finished, the last 1 knife of the weak solvent highlight portrait spray painting canvas is coated with the glue, the paint used in the knife is the weak solvent highlight paint, and if the weak solvent matte photo spray painting canvas is finished, the knife is used; the length of the drying box is 6 meters, the drying time is 36s, and the drying temperature is 90-110 ℃;
when a substrate is scraped by a scraper of a No. 3 knife, redundant face glue coating can be scraped off, after the substrate passes through the scraper, the substrate can directly enter a medium-temperature oven with the length of 6 meters for drying, the substrate is accepted in the medium-temperature oven with the length of 36 seconds and the temperature of 90-110 ℃, and meanwhile, in the 6-meter oven, a track transmission mode is adopted instead of a track needle plate mode.
After the substrate that the surface has wet glue gets into the oven, the back of substrate can contact with the transmission track, and under the support of track floats and drives, the substrate can walk out the oven at the uniform velocity, then the substrate can follow the rotation of track, returns downwards and gets back to the oven again, lasts and dries, and after the substrate walked out the oven, the surface had thoroughly been dried.
After the base material leaves the oven, the base material can move in the direction of about 45 degrees towards the lower back and directly enters a combination of double-roller flattening, after the base material comes out from the middle of the two rollers, the base material directly enters a roller combination for adjusting tension, and after the base material comes out, the base material continuously moves in the direction of about 45 degrees towards the right upper side, and finally passes through the upper part of one roller, the base material can be automatically coiled on an A-shaped frame for coiling until the whole coating work is finished, and at this step, the whole coating process of the innovative coating mode is completely finished;
the formula of the weak solvent high gloss surface glue coating used in coating is as follows:
acrylic emulsion A: 1000-1100 kg;
acrylic emulsion B: 400-500 kg;
surfactant A: 1-5 kg;
surfactant B: 1-4 kg;
defoaming agent: 1-5 kg;
thickening agent: 2-8 kg;
a bridging agent: 0.1-0.8 kg;
whitening agent: 1-5 kg.
The preparation process of the weak solvent highlight surface glue coating comprises the following steps:
slowly adding acrylic emulsion A into a barrel of a high-speed stirring dispersion machine, starting a stirrer, slowly adjusting the rotating speed of a motor to 600 revolutions, slowly adding acrylic emulsion B, and directly stirring for 30 minutes after all acrylic emulsion B is added;
then, a streamline adding mode is also adopted, the surfactant A is added firstly, after 10 minutes, the surfactant B is slowly added, after 10 minutes, the bridging agent is added, and after all the surfactant A and the bridging agent are added, the mixture is continuously stirred for 30 minutes;
and finally, sequentially adding the defoaming agent, the whitening agent and the thickening agent, waiting for 10 minutes after adding one auxiliary agent, adding the next auxiliary agent, and continuously stirring for 40 minutes after adding all the auxiliary agents, so that the machine can be stopped and filtered for loading.
The formula of the weak solvent matte surface glue coating used in coating comprises:
acrylic emulsion A: 100-300 kilograms;
acrylic emulsion B: 50-200 kg;
matte dispersion solution: 100-200 kg;
surfactant A: 1-3 kg;
surfactant B: 1-3 kg;
defoaming agent: 1-3 kg;
thickening agent: 1-3 kg;
a bridging agent: 1-3 kg, and the preparation process of the weak solvent matte surface glue coating comprises the following steps: firstly adding acrylic emulsion A into a barrel of a stirrer, then slowly adjusting the rotating speed of a motor to 800 revolutions, then pouring acrylic emulsion B into the barrel, then adding a defoaming agent in a streamline adding mode, and directly mixing and stirring for 15 minutes after all the acrylic emulsion A is added;
then adding a surfactant A in a streamline adding mode, waiting for 15 minutes, adding a surfactant B, continuously stirring for 15 minutes, increasing the rotating speed to 1440 revolutions, then adding a prepared matte dispersing solution, and directly dispersing at a high speed for 60 minutes after all the surfactant A is added;
and then reducing the rotating speed of the motor to 800 revolutions, slowly adding the bridging agent in a streamline adding mode, continuously stirring for 10 minutes, adding the thickening agent, directly stirring for 30 minutes after all the bridging agent is added, and stopping the filter screen for filtering and waiting for loading.
The formula of the matte dispersion solution in the weak solvent matte surface glue coating formula is as follows:
water: 200-300 kg
Dispersing agent: 1-5 kg
White carbon black: 10-20 kg
Silicon dioxide: 20-60 kg
Nano adsorbent: 20-80 kg, and the preparation process of the matte dispersion solution comprises the following steps: firstly, water is put into a barrel of a high-speed dispersion stirrer, then the stirrer is started, the rotating speed of a motor is slowly increased to 1440 revolutions, then a streamline adding mode is adopted, a dispersing agent is slowly added, after the dispersing agent is completely added, the high-speed dispersion is directly carried out for 15 minutes, then according to the sequence of the formula, white carbon black, silicon dioxide, a nano adsorbent and all the raw materials are sequentially added, the high-speed dispersion is directly carried out for 60 minutes at the rotating speed of 1440 revolutions, and then the machine is stopped and filtered by a special filter screen for standby application.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. A disposable 3-blade coatable weak solvent canvas, comprising the steps of:
(1) installing and placing gray fabric: putting a chemical fiber gray cloth substrate roll which is processed on the surface but not coated on the surface into an unreeling station of a 360-type intelligent coating machine, starting the machine, and pressing an acceleration button to enable the gray cloth to continuously move forwards at a constant speed along a cloth guide roller;
(2) 1, precision coating of a cutter: the method is characterized in that a high-wear-resistance scraper with a knife edge of 3.0 is used for scraping, the used coating is special priming coating for weak solvent canvas, the knife edge mainly plays a role in sealing holes of the gray cloth, when the gray cloth passes through the No. 1 scraper, the scraper can scrape redundant coating on the surface of the gray cloth, and after the gray cloth passes through the scraper, the surface of the gray cloth is scraped with a layer of uniform priming wet glue;
(3) 2, precision coating: the knife is also coated by a high-wear-resistance scraper with a knife edge of 3.0, the used coating is the same as that of the coating of the knife edge 1 and is a special base material for weak solvent canvas, the knife coating mainly plays a role in weight increment and whitening, an operator of the knife coating stands above a needle plate rail and behind the scraper, the coating is added to the front of the scraper on a manual station, and the base material is directly sent into a high-temperature oven for drying after being coated by the scraper of the knife edge 2;
(4) 3, precision coating: the 3 rd knife precision coating is finished in the platform area of the second layer, a high-wear-resistance scraper with a knife edge of 3.0 is also adopted for blade coating, the base material which is coated with the priming coating twice is coated, and when the 3 rd knife coating is finished, the last 1 knife of the weak solvent high gloss photo spray painting canvas is coated with the glue, the coating used in the knife is the weak solvent high gloss coating, and if the coating is used for weak solvent matte photo spray painting canvas, the knife is used.
2. The disposable 3-blade coatable weak solvent canvas according to claim 1, wherein: the length of the drying box used in the step (3) is 27 meters, the speed for conveying the cloth is 20m/s, the drying time is 80s, and the drying temperature is 80-170 ℃.
3. The disposable 3-blade coatable weak solvent canvas according to claim 1, wherein: the length of the drying box used in the step (4) is 6 meters, the drying time is 36s, and the drying temperature is 90-110 ℃.
4. The disposable 3-blade coatable weak solvent canvas according to claim 1, wherein: the formula of the priming paint used in the step (2) is as follows:
water: 200-300 kilograms;
natural stone powder A: 60-100 kg;
dispersing agent: 5-10 kg;
defoaming agent: 2-10 kg;
PVA glue: 200-300 kilograms;
natural stone powder E: 200-300 kilograms;
natural stone powder D: 200-300 kilograms;
natural stone powder C: 200-300 kilograms;
natural stone powder B: 250-300 kilograms;
VAE emulsion A: 300-600 kg;
VAE emulsion B: 300-500 kg;
whitening agent: 2-4 kg;
plasticizer: 30-40 kg;
surfactant (b): 5-10 kg;
the step (2) and the step (3) use the same coating.
5. The disposable 3-blade coatable weak solvent canvas according to claim 1, wherein: the preparation process of the priming paint in the step (2) comprises the following steps:
adding water into a barrel of a stirrer, starting a motor, slowly increasing the rotating speed to 1440 revolutions, then sequentially adding a dispersing agent, a defoaming agent and a surfactant, and after adding each auxiliary agent, adding another auxiliary agent after the middle of the mixture is required to wait for 10 minutes;
slowly adding the natural stone powder A after the surfactant is dispersed at a high speed for 10 minutes, slowly adding the natural stone powder E after the surfactant is continuously dispersed at a high speed for 30 minutes, and reducing the rotating speed to 800 revolutions after the surfactant is dispersed at a high speed for 20 minutes;
then adding PVA emulsion, continuously stirring for 10 minutes at the rotating speed of 800 revolutions, then increasing the rotating speed of a motor to 1440 revolutions, slowly adding the natural stone powder B, and slowly decreasing the rotating speed of a stirrer motor to 800 revolutions after continuously dispersing for 20 minutes at high speed;
then sequentially adding VAE emulsion A and VAE emulsion B into the barrel, continuously stirring for 20 minutes, increasing the rotating speed to 1440 revolutions, sequentially adding natural stone powder C and natural stone powder D, directly dispersing for 60 minutes at high speed after all the natural stone powder C and the natural stone powder D are added, and then reducing the rotating speed of a motor to 800 revolutions;
and finally, a streamline adding mode is also adopted, the plasticizer is added firstly, after 10 minutes, the whitening agent is added, all the raw materials are added, then the stirring is continued for 30 minutes, and finally, the mixture is filtered by a special filter screen and used on the machine.
6. The disposable 3-blade coatable weak solvent canvas according to claim 1, wherein: the formula of the weak solvent high gloss surface adhesive coating used in the step (4) is as follows:
acrylic emulsion A: 1000-1100 kg;
acrylic emulsion B: 400-500 kg;
surfactant A: 1-5 kg;
surfactant B: 1-4 kg;
defoaming agent: 1-5 kg;
thickening agent: 2-8 kg;
a bridging agent: 0.1-0.8 kg;
whitening agent: 1-5 kg.
7. The disposable 3-blade coatable weak solvent canvas according to claim 1, wherein: the preparation process of the weak-solvent high-gloss surface adhesive coating used in the step (4) comprises the following steps:
slowly adding acrylic emulsion A into a barrel of a high-speed stirring dispersion machine, starting a stirrer, slowly adjusting the rotating speed of a motor to 600 revolutions, slowly adding acrylic emulsion B, and directly stirring for 30 minutes after all acrylic emulsion B is added;
then, a streamline adding mode is also adopted, the surfactant A is added firstly, after 10 minutes, the surfactant B is slowly added, after 10 minutes, the bridging agent is added, and after all the surfactant A and the bridging agent are added, the mixture is continuously stirred for 30 minutes;
and finally, sequentially adding the defoaming agent, the whitening agent and the thickening agent, waiting for 10 minutes after adding one auxiliary agent, adding the next auxiliary agent, and continuously stirring for 40 minutes after adding all the auxiliary agents, so that the machine can be stopped and filtered for loading.
8. The disposable 3-blade coatable weak solvent canvas according to claim 1, wherein: the formula of the weak-solvent matte surface glue coating used in the step (4) is as follows:
acrylic emulsion A: 100-300 kilograms;
acrylic emulsion B: 50-200 kg;
matte dispersion solution: 100-200 kg;
surfactant A: 1-3 kg;
surfactant B: 1-3 kg;
defoaming agent: 1-3 kg;
thickening agent: 1-3 kg;
a bridging agent: 1-3 kg, and the preparation process of the weak solvent matte surface glue coating comprises the following steps: firstly adding acrylic emulsion A into a barrel of a stirrer, then slowly adjusting the rotating speed of a motor to 800 revolutions, then pouring acrylic emulsion B into the barrel, then adding a defoaming agent in a streamline adding mode, and directly mixing and stirring for 15 minutes after all the acrylic emulsion A is added;
then adding a surfactant A in a streamline adding mode, waiting for 15 minutes, adding a surfactant B, continuously stirring for 15 minutes, increasing the rotating speed to 1440 revolutions, then adding a prepared matte dispersing solution, and directly dispersing at a high speed for 60 minutes after all the surfactant A is added;
and then reducing the rotating speed of the motor to 800 revolutions, slowly adding the bridging agent in a streamline adding mode, continuously stirring for 10 minutes, adding the thickening agent, directly stirring for 30 minutes after all the bridging agent is added, and stopping the filter screen for filtering and waiting for loading.
9. The single use, 3-blade coatable, low solvent canvas of claim 8, wherein: the formula of the matte dispersion solution in the weak solvent matte surface glue coating formula is as follows:
water: 200-300 kg
Dispersing agent: 1-5 kg
White carbon black: 10-20 kg
Silicon dioxide: 20-60 kg
Nano adsorbent: 20-80 kg, and the preparation process of the matte dispersion solution comprises the following steps: firstly, water is put into a barrel of a high-speed dispersion stirrer, then the stirrer is started, the rotating speed of a motor is slowly increased to 1440 revolutions, then a streamline adding mode is adopted, a dispersing agent is slowly added, after the dispersing agent is completely added, the high-speed dispersion is directly carried out for 15 minutes, then according to the sequence of the formula, white carbon black, silicon dioxide, a nano adsorbent and all the raw materials are sequentially added, the high-speed dispersion is directly carried out for 60 minutes at the rotating speed of 1440 revolutions, and then the machine is stopped and filtered by a special filter screen for standby application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111302808.1A CN114013209A (en) | 2021-11-05 | 2021-11-05 | Weak solvent canvas capable of coating 3-blade coating at one time |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111302808.1A CN114013209A (en) | 2021-11-05 | 2021-11-05 | Weak solvent canvas capable of coating 3-blade coating at one time |
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| CN114013209A true CN114013209A (en) | 2022-02-08 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019015365A1 (en) * | 2017-07-20 | 2019-01-24 | 江南大学 | Multifunctional high-strength composite fabric coating agent and coating, preparation method therefor, and application thereof |
| CN113185798A (en) * | 2021-04-21 | 2021-07-30 | 南通金池塑胶有限公司 | Anti-aging low-volatility matte ABS plastic for automotive interior |
| CN113265883A (en) * | 2021-05-14 | 2021-08-17 | 江苏浙创纺织科技有限公司 | Waterproof matte pure cotton 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 |
| CN113389068A (en) * | 2021-06-22 | 2021-09-14 | 江苏浙创纺织科技有限公司 | Weak solvent high gloss chemical fibre photo spray painting canvas |
-
2021
- 2021-11-05 CN CN202111302808.1A patent/CN114013209A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019015365A1 (en) * | 2017-07-20 | 2019-01-24 | 江南大学 | Multifunctional high-strength composite fabric coating agent and coating, preparation method therefor, and application thereof |
| CN113185798A (en) * | 2021-04-21 | 2021-07-30 | 南通金池塑胶有限公司 | Anti-aging low-volatility matte ABS plastic for automotive interior |
| CN113265883A (en) * | 2021-05-14 | 2021-08-17 | 江苏浙创纺织科技有限公司 | Waterproof matte pure cotton 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 |
| CN113389068A (en) * | 2021-06-22 | 2021-09-14 | 江苏浙创纺织科技有限公司 | Weak solvent high gloss chemical fibre photo spray painting canvas |
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