CN116289247A - Flame-retardant coated fabric, blade coating device and preparation method of coated fabric - Google Patents
Flame-retardant coated fabric, blade coating device and preparation method of coated fabric Download PDFInfo
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- CN116289247A CN116289247A CN202310043500.2A CN202310043500A CN116289247A CN 116289247 A CN116289247 A CN 116289247A CN 202310043500 A CN202310043500 A CN 202310043500A CN 116289247 A CN116289247 A CN 116289247A
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- 238000000576 coating method Methods 0.000 title claims abstract description 213
- 239000011248 coating agent Substances 0.000 title claims abstract description 212
- 239000004744 fabric Substances 0.000 title claims abstract description 105
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000003063 flame retardant Substances 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 107
- 239000003973 paint Substances 0.000 claims abstract description 83
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000002002 slurry Substances 0.000 claims abstract description 17
- 238000007790 scraping Methods 0.000 claims description 28
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- KAICRBBQCRKMPO-UHFFFAOYSA-N phosphoric acid;pyridine-3,4-diamine Chemical compound OP(O)(O)=O.NC1=CC=NC=C1N KAICRBBQCRKMPO-UHFFFAOYSA-N 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000007865 diluting Methods 0.000 claims description 3
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000003760 magnetic stirring Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920005749 polyurethane resin Polymers 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 238000000967 suction filtration Methods 0.000 claims description 3
- DWSWCPPGLRSPIT-UHFFFAOYSA-N benzo[c][2,1]benzoxaphosphinin-6-ium 6-oxide Chemical compound C1=CC=C2[P+](=O)OC3=CC=CC=C3C2=C1 DWSWCPPGLRSPIT-UHFFFAOYSA-N 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 239000004753 textile Substances 0.000 abstract description 6
- BSYJHYLAMMJNRC-UHFFFAOYSA-N 2,4,4-trimethylpentan-2-ol Chemical compound CC(C)(C)CC(C)(C)O BSYJHYLAMMJNRC-UHFFFAOYSA-N 0.000 description 5
- 238000010345 tape casting Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000004114 Ammonium polyphosphate Substances 0.000 description 3
- 235000019826 ammonium polyphosphate Nutrition 0.000 description 3
- 229920001276 ammonium polyphosphate Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- -1 DAPP (modified ammonium Chemical class 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/06—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length by rubbing contact, e.g. by brushes, by pads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0813—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for supplying liquid or other fluent material to the roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0873—Controlling means responsive to conditions of the liquid or other fluent material, of the ambient medium, of the roller or of the work
- B05C1/0895—Controlling means responsive to conditions of the liquid or other fluent material, of the ambient medium, of the roller or of the work responsive to the thickness of the weight of material applied to the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/023—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1039—Recovery of excess liquid or other fluent material; Controlling means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1042—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material provided with means for heating or cooling the liquid or other fluent material in the supplying means upstream of the applying apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/11—Vats or other containers for liquids or other fluent materials
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0059—Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/06—Properties of the materials having thermal properties
- D06N2209/067—Flame resistant, fire resistant
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Dispersion Chemistry (AREA)
- Coating Apparatus (AREA)
Abstract
The application relates to the field of functional textiles, in particular to a flame-retardant coated fabric, which comprises a base fabric and a flame-retardant coating; at least one side of the base fabric is coated with a flame retardant coating. A preparation method of a flame-retardant coated fabric and a blade coating device comprise a feeding mechanism, a coating mechanism, a blade surface mechanism, a thickness adjusting mechanism and a frame body; the feeding mechanism adopts a paint tank and a circulating guide pipeline connected with the paint tank; the coating mechanism adopts a tensioning roller and a coating roller, the tensioning rollers are distributed on two sides of the coating roller, and two ends of a trough are respectively communicated with a coating tank through a circulating material guide pipeline; the shaving mechanism is arranged at the bottom of the base cloth and comprises an air cylinder and a fixing frame arranged at the top of the air cylinder; the thickness adjusting mechanism comprises a plurality of groups of spacing-adjustable limit rollers and slurry collecting channels distributed at the bottom of the base cloth. The method and the device improve the automation degree of the production of the coated fabric, reduce the labor cost, and can accurately control the coating thickness of the coated fabric to effectively improve the production quality and the production efficiency of the coated fabric.
Description
Technical Field
The application relates to the technical field of functional textiles, in particular to a flame-retardant coated textile, a blade coating device and a preparation method of the coated textile.
Background
With the continuous development of textile industry, various fiber fabrics are applied to life of people, and the occurrence rate of fire accidents is greatly increased due to poor flame retardant performance, and in the development history of human beings, fire is one of main disasters capturing life and property safety of human beings, so research and development of high-performance flame retardant coated fabrics becomes one of the important concerns of people in the 21 st century. The coated fabric endows the fabric with certain specific functions through a coating technology, and products comprise waterproof moisture-permeable coated fabric, antifouling antibacterial coated fabric, hygroscopic heat-dissipating coated fabric and the like, and can be widely applied in the fields of industry, military, disaster relief, daily life, medical care, special protection, field operation and the like because the coated fabric can meet the requirement of modern society on high functionalization of textiles. The existing coating automation degree of the fabric is not high, the coating process needs a large amount of manpower, the thickness of the coated fabric is not easy to control, the uneven thickness of the coating is easy to occur after long-time use, the produced coated fabric also needs trimming treatment, and the production process is complex and has high cost.
Disclosure of Invention
In order to overcome the problems in the prior art, the application provides a flame-retardant coated fabric, a blade coating device and a preparation method of the coated fabric.
The application provides a flame retardant coating fabric, a knife coating device and a preparation method of the coating fabric, wherein the preparation method adopts the following technical scheme:
a flame retardant coated fabric comprising a base fabric and a flame retardant coating; at least one side of the base fabric is coated with a flame retardant coating.
The preparation method of the flame-retardant coated fabric comprises the following steps of: 0.1 DOPO (9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide), 0.1mol of vinyltriethoxysilane, and 50ml of toluene were charged into a three-necked flask equipped with a condenser, a constant pressure dropping funnel, and a nitrogen inlet; under magnetic stirring, the mixture was saturated with nitrogen, the temperature was heated to 90 ℃ to completely dissolve DOPO, then 0.2g aibn (azobisisobutyronitrile) dissolved in 20ml toluene beforehand was slowly added dropwise to the reaction system through a constant pressure dropping funnel over 2 hours, and reacted at 90 ℃ for 24 hours;
step two: after the reaction is finished, carrying out suction filtration on the product, removing toluene by a rotary evaporator, and drying in a vacuum oven at 120 ℃ for 12 hours to obtain light yellow viscous liquid DOPO-VTES (liquid silane flame retardant containing phosphorus and silicon);
step three: mixing 40g APP (ammonium polyphosphate) with 4g DOPO-VTES, adding into a small ultrafine grinder, stirring for 30min, taking out, and drying at 80 ℃ for 12h to obtain a product DAPP (modified ammonium polyphosphate);
step four: adding a flame retardant into polyurethane resin according to 20wt% of an additive, adding a proper amount of butanone, stirring and diluting, magnetically stirring at room temperature for 3 hours, ultrasonically eliminating bubbles, pouring into a glass culture dish, drying with a constant temperature oven at 75 ℃ for 4 hours, heating to 85 ℃ and drying overnight, and removing residual liquid solvent to obtain the PU/DAPP composite material;
step five: after the base cloth is subjected to waterproof treatment, the flame retardant material is coated on the fabric and dried at the temperature of 100-140 ℃.
The scraping and coating device comprises a feeding mechanism, a coating mechanism, a scraping mechanism, a thickness adjusting mechanism and a frame body, wherein the coating mechanism, the scraping mechanism and the thickness adjusting mechanism are arranged on the frame body and distributed along the transmission direction of a base fabric; the feeding mechanism adopts a paint tank and a circulating guide pipeline connected with the paint tank; the coating mechanism adopts a tensioning roller and a coating roller, the tensioning rollers are distributed on two sides of the coating roller, two ends of the tensioning roller are rotatably connected to the frame body, the coating roller is arranged on a trough, and two ends of the trough are respectively communicated with the coating tank through a circulating material guide pipeline; the shaving mechanism is arranged at the bottom of the base cloth and comprises an air cylinder and a fixing frame arranged at the top of the air cylinder, wherein a shaving roller for shaving the surface of the base cloth is arranged at the top of the fixing frame; the thickness adjusting mechanism comprises a plurality of groups of spacing-adjustable limit rollers and feed liquid collecting tanks distributed at the bottom of the base cloth.
Through adopting above-mentioned technical scheme, the knife coating device is used for coating the coating of preparing the coating to the base cloth, and wherein the feeding mechanism is responsible for supplying the coating, wherein on the coating jar through circulation passage with coating delivery to coating mechanism to can carry out the backward flow through circulation passage with the coating that overflows it, guarantee the sufficiency of coating in-process coating mechanism coating. The tensioning rollers arranged on two sides of the coating roller are adopted in the coating mechanism, the coating roller coats the base cloth, the tensioning rollers exert pressure on the top surface of the base cloth from two sides, the coating roller at the bottom of the base cloth is matched with the base cloth in a tensioning mode, the coating roller is enabled to be more attached to the base cloth, and the coating mechanism has a better coating effect. The shaving mechanism is arranged at the bottom of the base cloth, the shaving mechanism is adjusted according to the thickness of the required coating, the lifting of the fixing frame at the top of the cylinder is controlled by the lifting of the cylinder, and the shaving roller on the fixing frame is adjusted to a set distance with the base cloth. The thickness of the base cloth and the thickness of the coating are further finished under the action of the thickness adjusting mechanism, and the redundant coating is collected through the feed liquid collecting tank. The coated fabric with uniform thickness is obtained through the treatment of a knife coating device.
Preferably, the paint tank is arranged at one side of the paint mechanism, the heating plates are annularly distributed on the inner wall of the paint tank, the cutting and stirring mechanism is arranged between the heating plates, and the top of the paint tank is provided with a feed hopper and a feed back opening; the circulation material guide pipeline comprises a feeding pipe, an overflow pipe and a return pipe, wherein the feeding pipe is connected with an outlet of the paint tank and the trough, and the overflow pipe is communicated with the trough and a feed back opening of the paint tank.
Through adopting above-mentioned technical scheme, the heating plate that paint tank inner wall annular distributes can keep warm and heat the coating to cooperation internally mounted's cutting rabbling mechanism avoids coating slagging-off to become the piece, and the feed inlet at paint tank top is used for the filling of coating, and feed back mouth communicates coating mechanism, scratch face mechanism and thickness adjustment mechanism respectively, collects the coating of overflow and the coating of hanging through the feed back pipeline and recycles, has avoided the waste of coating, the cost is reduced.
Preferably, install detachable first filter screen on the feed back mouth, the coating pump is installed to the bottom of paint tank, and the coating pump is installed in the aggregate bin of coating pump bottom, and wherein the second filter screen is installed at the top of aggregate bin, is equipped with arc transition between the inner chamber of paint tank and the open-top of aggregate bin.
Through adopting above-mentioned technical scheme, the filter screen on the feed back mouth can effectually filter the coating that will collect back, avoids impurity to enter into the paint tank and blocks up the export, and the paint tank bottom is outwards exported with the coating along the inlet pipe through the coating pump simultaneously, and the second filter screen that sets up on the coating pump can be further avoids impurity to enter into the coating pump, has improved the life of coating pump. The arc transition is arranged between the bottom of the paint tank and the top of the aggregate bin, so that the paint is prevented from being accumulated at the bottom edge corner of the paint tank, and the use efficiency of the paint is improved.
Preferably, one end of the trough is provided with a feeding interface connected with the feeding pipe, the other end of the trough is provided with an overflow trough, a detachable and replaceable overflow baffle is arranged between the trough and the overflow trough, and the bottom of the overflow trough is also provided with an overflow interface connected with an overflow pipeline.
Through adopting above-mentioned technical scheme, silo feed end is connected with the feeding pipeline through the feeding interface in the coating mechanism, and during operation, the coating roller rotates in the silo, is stained with the coating and attaches on the roll body and carry out the coating to the base cloth, and in order to guarantee the sufficiency of coating, the feed rate of silo can set up and be greater than the speed that the coating roller consumed the coating, and the overflow launder of tip can flow back the coating jar through overflow interface through overflow pipeline in the bottom with the coating that overflows in the silo to continue to use. And the overflow amount of the coating can be controlled by adjusting the height of the overflow baffle.
Preferably, the two ends of the fixing frame installed at the top of the air cylinder are rotationally connected with the scraping roller through bearing blocks, wherein the bearing blocks are clamped in limit grooves at the two ends of the fixing frame, the bottom of each bearing block is connected with the corresponding limit groove through an elastic element, and sliding protrusions matched with the corresponding limit grooves are arranged on the two sides of each bearing block.
Through adopting above-mentioned technical scheme, scrape the face roller and install on the bearing frame at mount top both ends, the bearing frame is installed in the spacing groove at fixing base both ends, the spacing groove bottom is equipped with elastic element, the both ends of bearing frame can slide from top to bottom in the spacing groove under elastic element's effect through the slip arch that is equipped with, when the coating thickness on the base cloth is too big, the coating is exerted pressure and is given the pressure of scraping the face roller when too big, scrape the face roller and can be compressed, guarantee the leveling of coating level, follow-up through thickness adjustment mechanism to repair the thickness of coating.
Preferably, a feed liquid collecting tank is arranged on a fixing frame corresponding to the scraping roller, wherein an inclined baffle communicated with the feed liquid collecting tank is arranged on one side of the fixing frame far away from the coating mechanism, the inclined baffle extends from the fixing frame to the bottom surface of the base cloth, and the inclined baffle is of a V-shaped structure with high two sides and low middle.
Through adopting above-mentioned technical scheme, the feed liquid collecting vat on the mount corresponds the face roller of scraping to mount one side still is equipped with the inclined baffle, can collect the coating that the face roller was gone up to the face of scraping drips and throws away along with its rotation, and gathers the coating through the design of V type structure, leads back the coating to the paint tank through the back flow.
Preferably, the limit roller adopts an upper roller body and a lower roller body which are vertically symmetrical, wherein the two sides of the limit roller are provided with supporting frames, the tops of the supporting frames are fixedly connected with bearing blocks at two ends of the upper roller body, and a spacing adjusting mechanism is arranged between the bearing blocks at two ends of the lower roller body and the corresponding bearing blocks at two ends of the upper roller body; the interval adjusting mechanism comprises a rotating shaft sleeve on bearing blocks on two sides of an upper roller body, a wire sleeve on bearing blocks on two sides of a lower roller body and a rod body penetrating through the rotating shaft sleeve and the wire sleeve, wherein a gear sleeve is sleeved at one end of the rod body, which is close to the lower roller body, and an adjusting gear in meshed transmission with the gear sleeve is arranged between the gear sleeves on two sides, and the adjusting gear is rotationally connected to the bottom surface of the bearing blocks of the lower roller body through an adjusting rod.
Through adopting above-mentioned technical scheme, the spacer roller rolls the basic cloth that has coated the coating through last roll body and lower roll body, and the great place of thickness can be thinned by the roll body, and unnecessary coating can extrude from the side gradually, and the interval adjustment mechanism who is equipped with between last roll body and the lower roll body can adjust its interval according to the demand of the coated fabric of production.
Preferably, the slurry collecting channels are arranged on two sides of the limiting rollers, coating scraping plates are arranged on two sides of a gap between the adjacent limiting rollers, slurry pipes communicated with the slurry collecting channels are arranged on the outer sides of the coating scraping plates, and the slurry collecting channels are communicated with a feed back opening of the coating tank through bottom feed back pipes.
Through adopting above-mentioned technical scheme, the thick liquids collection channel of limiting roller both sides can collect the unnecessary coating that limiting roller extruded to be equipped with the coating in adjacent limiting roller's clearance both sides and scrape limit piece and can scrape the coating that remains at coated fabric edge and detach, guaranteed the quality of coated fabric that produces.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the paint tank in the blade coating device supplies paint to the paint mechanism through the circulating material guide pipeline, wherein a heating and stirring device is adopted, so that the paint still has good uniformity after being placed for a long time, and the binding force between the coated paint and the base cloth layer is better;
2. the coating in the coating tank can be fed through the feed hopper, the coating collected in the coating mechanism, the shaving mechanism and the thickness adjusting mechanism can be returned to the coating tank for collection, so that the waste of the coating is greatly reduced, and the filter screens are respectively arranged at the bottom of the feed back opening and the bottom of the coating tank, so that the quality of the coating in the coating tank and the coating supplied to the coating mechanism is greatly improved, and the quality of the produced coated fabric is ensured;
3. the mode for coating the paint on the base cloth in the knife coating device is a process of coating the paint roller by sticking the paint in the trough, and the overflow type feeding mode is adopted for the paint in the trough, so that the paint can be ensured to have sufficient paint in the paint roller coating process, and the conditions of uneven paint and insufficient paint on the base cloth are effectively avoided;
4. the scraping mechanism and the thickness adjusting mechanism are adopted in the scraping device, the coating coated on the base cloth is effectively rolled, the thickness of the coating layer is controlled, overflowed coating on two sides of the base cloth is scraped, subsequent trimming treatment is not needed, and the production quality and the production efficiency of the coated fabric are effectively improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a blade coating apparatus;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is an enlarged view of FIG. 1 at B;
FIG. 4 is a schematic view of the bottom structure of the blade coating apparatus;
FIG. 5 is a top view of the blade coating device;
fig. 6 is a section A-A of fig. 5.
Reference numerals illustrate: 1. a feeding mechanism; 11. a paint tank; 111. a heating plate; 112. a cutting and stirring mechanism; 113. a feed hopper; 114. a feed back port; 1141. a first filter screen; 115. a paint pump; 116. a collecting bin; 1161. a second filter screen; 12. a circulating guide pipeline; 121. a feed pipe; 122. an overflow pipe; 123. a return pipe;
2. a coating mechanism; 21. a tension roller; 22. a paint roller; 23. a trough; 231. a feed port; 232. an overflow trough; 2321. an overflow baffle; 233. an overflow interface;
3. a shaving mechanism; 31. a cylinder; 32. a fixing frame; 321. a limit groove; 322. a feed liquid collecting tank; 323. a bevel baffle; 33. a shaving roller; 34. a bearing seat; 341. a sliding protrusion; 342. an elastic element;
4. a thickness adjusting mechanism; 41. a limit roller; 411. an upper roller body; 412. a lower roller body; 413. coating edge scraping sheets; 414. a slurry pipe; 42. a slurry collection channel; 43. a support frame; 44. a spacing adjustment mechanism; 441. rotating the shaft sleeve; 442. a silk sleeve; 443. a rod body; 4431. a gear sleeve; 444. an adjusting rod; 4441. an adjusting gear;
5. a frame body.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-6.
The embodiment of the application discloses a flame-retardant coated fabric, a blade coating device and a preparation method of the coated fabric.
A flame retardant coated fabric comprising a base fabric and a flame retardant coating; at least one side of the base fabric is coated with a flame retardant coating.
The preparation method of the flame-retardant coated fabric comprises the following steps of: 0.1 DOPO, 0.1mol of vinyltriethoxysilane, and 50ml of toluene were added to a three-necked flask equipped with a condenser, a constant pressure dropping funnel, and a nitrogen inlet; under magnetic stirring, the mixture was saturated with nitrogen, the temperature was heated to 90 ℃ to completely dissolve DOPO, then 0.2g aibn previously dissolved in 20ml toluene was slowly added dropwise to the reaction system through a constant pressure dropping funnel over 2 hours, and reacted at 90 ℃ for 24 hours;
step two: after the reaction is finished, carrying out suction filtration on the product, removing toluene by a rotary evaporator, and drying in a vacuum oven at 120 ℃ for 12 hours to obtain light yellow viscous liquid DOPO-VTES;
step three: mixing 40gAPP with 4gDOPO-VTES, adding into a small ultrafine grinder, stirring for 30min, taking out, and drying at 80deg.C for 12 hr to obtain DAPP;
step four: adding a flame retardant into polyurethane resin according to 20wt% of an additive, adding a proper amount of butanone, stirring and diluting, magnetically stirring at room temperature for 3 hours, ultrasonically eliminating bubbles, pouring into a glass culture dish, drying with a constant temperature oven at 75 ℃ for 4 hours, heating to 85 ℃ and drying overnight, and removing residual liquid solvent to obtain the PU/DAPP composite material;
step five: after the base cloth is subjected to waterproof treatment, the flame retardant material is coated on the fabric and dried at the temperature of 100-140 ℃.
Referring to fig. 1 to 6, a blade coating device comprises a feeding mechanism 1, a coating mechanism 2, a blade surface mechanism 3, a thickness adjusting mechanism 4 and a frame 5, wherein the coating mechanism 2, the blade surface mechanism 3 and the thickness adjusting mechanism 4 are arranged on the frame 5 and distributed along the transmission direction of a base cloth; the feeding mechanism 1 adopts a paint tank 11 and a circulating material guide pipeline 12 connected with the paint tank 11; the coating mechanism 2 adopts a tensioning roller 21 and a coating roller 22, the tensioning roller 21 is distributed on two sides of the coating roller 22, two ends of the tensioning roller 21 are rotatably connected to the frame body 5, the coating roller 22 is arranged on a trough 23, and two ends of the trough 23 are respectively communicated with the coating tank 11 through a circulating material guide pipeline 12; the shaving mechanism 3 is arranged at the bottom of the base cloth and comprises an air cylinder 31 and a fixing frame 32 arranged at the top of the air cylinder 31, wherein a shaving roller 33 for shaving the surface of the base cloth is arranged at the top of the fixing frame 32; the thickness adjusting mechanism 4 comprises a plurality of groups of spacing-adjustable limit rollers 41 and feed liquid collecting grooves 322 distributed at the bottom of the base cloth. The blade coating device is used for coating prepared paint on the base cloth, wherein the feeding mechanism 1 is responsible for feeding the paint, the paint is conveyed to the paint mechanism 2 on the paint tank 11 through the circulating material guide pipeline 12, and the overflowed paint can be refluxed through the circulating material guide pipeline 12, so that the sufficiency of the paint in the paint process of the paint mechanism 2 is ensured. The tensioning rollers 21 arranged on two sides of the coating roller 22 are adopted in the coating mechanism 2, the coating roller 22 coats the base cloth, the tensioning rollers 21 apply pressure to the top surface of the base cloth from two sides, the coating roller 22 matched with the bottom of the base cloth tightens the base cloth, and the coating roller 22 is enabled to be more attached to the base cloth, so that a better coating effect is achieved. The shaving mechanism 3 is arranged at the bottom of the base cloth, and is adjusted according to the thickness of the coating, the lifting of the fixing frame 32 at the top of the cylinder 31 is controlled by the lifting of the cylinder 31, and the shaving roller 33 on the fixing frame 32 is adjusted to a set distance with the base cloth. The thickness of the base cloth and the coating is further finished under the action of the thickness adjusting mechanism 4, and the redundant coating is collected through the feed liquid collecting groove 322. The coated fabric with uniform thickness is obtained through the treatment of a knife coating device.
Referring to fig. 1 to 6, a paint tank 11 is installed at one side of a paint mechanism 2, heating plates 111 are annularly distributed on the inner wall of the paint tank 11, a cutting and stirring mechanism 112 is installed between the heating plates 111, and a feed hopper 113 and a feed back opening 114 are arranged at the top; the circulation feed pipe 12 comprises a feed pipe 121, an overflow pipe 122 and a return pipe 123, wherein the feed pipe 121 is connected with the outlet of the paint tank 11 and the trough 23, and the overflow pipe 122 is communicated with the trough 23 and the return port 114 of the paint tank 11. The heating plate 111 that the annular of paint tank 11 inner wall distributes can keep warm and heat the coating to cooperation internally mounted's cutting rabbling mechanism 112 avoids coating slagging-off to become the piece, and the feed inlet at paint tank 11 top is used for the filling of coating, and feed back mouth 114 communicates coating mechanism 2, scratch mechanism 3 and thickness adjustment mechanism 4 respectively, collects the coating of overflow and the coating of hanging up through the feed back pipeline and recycles, has avoided the waste of coating, the cost is reduced.
Referring to fig. 1 to 6, a detachable first filter screen 1141 is mounted on the feed back port 114, a paint pump 115 is mounted at the bottom of the paint tank 11, and the paint pump 115 is mounted in a collecting bin 116 at the bottom of the paint pump 115, wherein a second filter screen 1161 is mounted at the top of the collecting bin 116, and an arc transition is provided between the inner cavity of the paint tank 11 and the top opening of the collecting bin 116. The filter screen on the feed back mouth 114 can effectually filter the coating that will collect back, avoids impurity to enter into the paint tank 11 and blocks up the export, and the paint tank 11 bottom is outwards exported the coating along inlet pipe 121 through the coating pump 115 simultaneously, and the second filter screen 1161 that sets up on the coating pump 115 can be further avoid impurity to enter into the coating pump 115, has improved the life of coating pump 115. The arc transition is arranged between the bottom of the paint tank 11 and the top of the aggregate bin 116, so that the paint is prevented from being accumulated at the bottom edge corner of the paint tank 11, and the use efficiency of the paint is improved.
Referring to fig. 1 to 6, one end of the trough 23 is provided with a feed port 231 connected with the feed pipe 121, the other end is provided with an overflow trough 232, a detachable and replaceable overflow baffle 2321 is arranged between the trough 23 and the overflow trough 232, and the bottom of the overflow trough 232 is also provided with an overflow port 233 connected with the overflow pipe 122. The feed end of the trough 23 in the coating mechanism 2 is connected with the feed pipe 121 through the feed interface 231, when the coating mechanism works, the coating roller 22 rotates in the trough 23 to adhere the coating on the roller body to coat the base cloth, in order to ensure the sufficiency of the coating, the feed speed of the trough 23 is set to be higher than the coating consumption speed of the coating roller 22, and the overflow trough 232 at the end can flow the coating overflowed from the trough 23 back to the coating tank 11 through the overflow interface 233 at the bottom and the overflow pipe 122, so that the coating mechanism can be continuously used. And also to control the overflow amount of the coating material by adjusting the height of the overflow barrier 2321.
Referring to fig. 1 to 6, both ends of a fixing frame 32 mounted at the top of a cylinder 31 are rotatably connected with a scraping roller 33 through bearing blocks 34, wherein the bearing blocks 34 are clamped in limit grooves 321 at both ends of the fixing frame 32, the bottom of the bearing blocks 34 is connected with the limit grooves 321 through elastic elements 342, and sliding protrusions 341 adapted to the limit grooves 321 are arranged at both sides of the bearing blocks 34. The scraping roller 33 is installed on the bearing frame 34 at both ends at the top of the fixed frame 32, the bearing frame 34 is installed in the limiting groove 321 at both ends of the fixed seat, an elastic element 342 is arranged at the bottom of the limiting groove 321, both ends of the bearing frame 34 can slide up and down in the limiting groove 321 under the action of the elastic element 342 through a sliding bulge 341 arranged at both ends of the bearing frame, when the thickness of a coating on the base cloth is overlarge, the scraping roller 33 can be compressed when the pressure of the coating pressing the scraping roller 33 is overlarge, the flatness of the coating layer is ensured, and the thickness of the coating is trimmed through a thickness adjusting mechanism 4.
Referring to fig. 1 to 6, a feed liquid collecting tank 322 is formed on a fixing frame 32 corresponding to the scraping roller 33, wherein an inclined baffle 323 communicated with the feed liquid collecting tank 322 is mounted on one side of the fixing frame 32 far away from the coating mechanism 2, the inclined baffle 323 extends from the fixing frame 32 to the bottom surface of the base fabric, and the inclined baffle 323 is of a V-shaped structure with two high sides and a low middle. The feed liquid collecting vat 322 on the mount 32 corresponds to the scraping roller 33 to mount 32 one side still is equipped with inclined baffle 323, can collect the coating that the scraping roller 33 was gone up to the whereabouts and was thrown away along with its rotation, and gathers the coating through the design of V type structure, leads back the coating tank 11 through back flow 123.
Referring to fig. 1 to 6, the limiting roller 41 adopts an upper roller body 411 and a lower roller body 412 which are vertically symmetrical, wherein supporting frames 43 are installed on two sides of the limiting roller 41, the tops of the supporting frames 43 are fixedly connected with bearing blocks at two ends of the upper roller body 411, and a distance adjusting mechanism 44 is arranged between the bearing blocks at two ends of the lower roller body 412 and the corresponding bearing blocks at two ends of the upper roller body 411; the distance adjusting mechanism 44 comprises a rotating shaft sleeve 441 on bearing blocks on two sides of the upper roller 411, a wire sleeve 442 on bearing blocks on two sides of the lower roller 412, and a rod body 443 penetrating through the rotating shaft sleeve 441 and the wire sleeve 442, wherein a gear sleeve 4431 is sleeved at one end of the rod body 443 close to the lower roller 412, an adjusting gear 4441 meshed with the gear sleeves 4431 is arranged between the gear sleeves 4431 on two sides, and the adjusting gear 4441 is rotatably connected to the bottom surface of the bearing block of the lower roller 412 through an adjusting rod 444. The spacing roller 41 rolls the base cloth coated with the coating through the upper roller body 411 and the lower roller body 412, the place with larger thickness can be thinned by the roller body, redundant coating can be gradually extruded from the side, and the interval adjusting mechanism 44 arranged between the upper roller body 411 and the lower roller body 412 can adjust the interval according to the requirement of the produced coated fabric.
Referring to fig. 1 to 6, the slurry collecting channels 42 are disposed at both sides of the limiting roller 41, and coating scraping plates 413 are disposed at both sides of the gap between the adjacent limiting rollers 41, wherein a slurry pipe 414 communicating with the slurry collecting channels 42 is disposed at the outer side of the coating scraping plates 413, and the slurry collecting channels 42 communicate with the feed back port 114 of the coating tank 11 through a bottom feed back pipe. The slurry collecting channels 42 on two sides of the limiting roller 41 can collect excessive coating extruded by the limiting roller 41, and the coating scraping plates 413 are arranged on two sides of the gap between the adjacent limiting rollers 41 and can scrape and remove the coating remained on the edge of the coated fabric, so that the quality of the produced coated fabric is ensured.
The working principle of the blade coating device is as follows: the coating tank 11 in the feeding mechanism 1 feeds the coating mechanism 2, the coating is added into the coating tank 11 through the feed hopper 113, the heating and the heat preservation are carried out through the heating disc 111 on the inner wall of the coating tank 11, the stirring is carried out through the cutting and stirring mechanism 112, the mixture is filtered through the second filter screen 1161 at the bottom of the coating tank 11 and then enters the collecting bin 116, and the coating pump 115 installed in the collecting bin 116 guides the coating into the trough 23 in the coating mechanism 2 through the feed pipe 121. The feed pipe 121 is connected through the feed port 231 to the silo 23, and the coating roller 22 of installing on the silo 23 is stained with the coating in the silo 23, coats to the base cloth through the rotation of coating roller 22 to the tensioning roller 21 of coating roller both sides can carry out tensioning to the base cloth in the in-process of base cloth transmission. The other end of the trough 23 is provided with a baffle plate of an overflow baffle 2321, paint in the trough 23 overflows into the overflow trough 232, the overflow trough 232 is connected with the overflow pipe 122 through an overflow interface 233 at the bottom, the paint flows back into the feed back opening 114 of the paint tank 11, and the paint enters the paint tank 11 for continuous use after being filtered by a first filter screen 1141 in the feed back opening 114.
The scraping mechanism 3 controls the fixed frame 32 to lift through the air cylinder 31, two ends of the scraping roller 33 are arranged on the bearing seat 34, the bearing seat 34 is slidably arranged in the limiting grooves 321 on two sides of the fixed frame 32, the sliding protrusions 341 on two sides of the bearing seat 34 are matched with the sliding grooves on the inner sides of the limiting grooves 321, and the bottom of the bearing seat 34 is connected with the bottom of the limiting grooves 321 through the elastic element 342. The inclined baffle 323 adopts a V-shaped structure and is communicated with the feed liquid collecting tank 322 in the fixed frame 32, and the paint collected by the inclined baffle 323 can flow into the feed liquid collecting tank 322 under the action of gravity and is collected into the paint tank 11 through the return pipe 123 at the bottom of the feed liquid collecting tank 322.
Three groups of limit rollers 41 distributed in an array are adopted in the thickness adjusting mechanism 4, the limit rollers 41 comprise an upper roller body 411 connected to a supporting frame 43 and a lower roller body 412 capable of adjusting the distance between the upper roller body 411 and the upper roller body through a distance adjusting mechanism 44, the distance adjusting mechanism 44 drives a gear sleeve 4431 to rotate through rotation of a gear on the adjusting rod 444 by rotating an adjusting rod 444, so that rod bodies 443 on two sides are driven to rotate, the other ends of the rod bodies 443 are rotationally connected with rotating shaft sleeves 441 on two sides of a bearing block of the upper roller body 411, and a screw rod section matched with screw sleeves 442 on two sides of the bearing block of the lower roller body 412 is arranged on the middle section of the rod body 443.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (10)
1. A flame retardant coated fabric, characterized by: comprises a base fabric and a flame-retardant coating; at least one side of the base fabric is coated with a flame retardant coating.
2. A preparation method of a flame-retardant coated fabric is characterized by comprising the following steps: the preparation method comprises the following steps of: 0.1 DOPO, 0.1mol of vinyltriethoxysilane, and 50ml of toluene were added to a three-necked flask equipped with a condenser, a constant pressure dropping funnel, and a nitrogen inlet; under magnetic stirring, the mixture was saturated with nitrogen, the temperature was heated to 90 ℃ to completely dissolve DOPO, then 0.2g aibn previously dissolved in 20ml toluene was slowly added dropwise to the reaction system through a constant pressure dropping funnel over 2 hours, and reacted at 90 ℃ for 24 hours;
step two: after the reaction is finished, carrying out suction filtration on the product, removing toluene by a rotary evaporator, and drying in a vacuum oven at 120 ℃ for 12 hours to obtain light yellow viscous liquid DOPO-VTES;
step three: mixing 40gAPP with 4gDOPO-VTES, adding into a small ultrafine grinder, stirring for 30min, taking out, and drying at 80deg.C for 12 hr to obtain DAPP;
step four: adding a flame retardant into polyurethane resin according to 20wt% of an additive, adding a proper amount of butanone, stirring and diluting, magnetically stirring at room temperature for 3 hours, ultrasonically eliminating bubbles, pouring into a glass culture dish, drying with a constant temperature oven at 75 ℃ for 4 hours, heating to 85 ℃ and drying overnight, and removing residual liquid solvent to obtain the PU/DAPP composite material;
step five: after the base cloth is subjected to waterproof treatment, the flame retardant material is coated on the fabric and dried at the temperature of 100-140 ℃.
3. A blade coating apparatus, characterized in that: the device comprises a feeding mechanism (1), a coating mechanism (2), a shaving mechanism (3), a thickness adjusting mechanism (4) and a frame body (5), wherein the coating mechanism (2), the shaving mechanism (3) and the thickness adjusting mechanism (4) are arranged on the frame body (5) and distributed along the transmission direction of a base cloth; the feeding mechanism (1) adopts a paint tank (11) and a circulating guide pipeline (12) connected with the paint tank (11); the coating mechanism (2) adopts a tensioning roller (21) and a coating roller (22), the tensioning roller (21) is distributed on two sides of the coating roller (22), two ends of the tensioning roller (21) are rotatably connected to the frame body (5), the coating roller (22) is arranged on a trough (23), and two ends of the trough (23) are respectively communicated with the coating tank (11) through a circulating material guide pipeline (12); the shaving mechanism (3) is arranged at the bottom of the base cloth and comprises an air cylinder (31) and a fixing frame (32) arranged at the top of the air cylinder (31), wherein a shaving roller (33) for shaving the surface of the base cloth is arranged at the top of the fixing frame (32); the thickness adjusting mechanism (4) comprises a plurality of groups of spacing-adjustable limit rollers (41) and slurry collecting channels (42) distributed at the bottom of the base cloth.
4. A blade coating apparatus according to claim 3, wherein: the coating tank (11) is arranged on one side of the coating mechanism (2), heating plates (111) are annularly distributed on the inner wall of the coating tank (11), a cutting and stirring mechanism (112) is arranged between the heating plates (111), and a feed hopper (113) and a feed back opening (114) are arranged at the top of the coating tank; the circulation material guide pipeline (12) comprises a material inlet pipe (121), an overflow pipe (122) and a backflow pipe (123), wherein the material inlet pipe (121) is connected with an outlet of the paint tank (11) and the material tank (23), and the overflow pipe (122) is communicated with the material tank (23) and a material return opening (114) of the paint tank (11).
5. The blade coating apparatus of claim 4, wherein: install detachable first filter screen (1141) on feed back mouth (114), paint pump (115) are installed to the bottom of paint tank (11), and paint pump (115) are installed in aggregate bin (116) of paint pump (115) bottom, and second filter screen (1161) is installed at the top of aggregate bin (116), be equipped with arc transition between the open-ended in inner chamber of paint tank (11) and aggregate bin (116).
6. The blade coating apparatus of claim 4, wherein: one end of the trough (23) is provided with a feeding interface (231) connected with the feeding pipe (121), the other end is provided with an overflow trough (232), a detachable and replaceable overflow baffle (2321) is arranged between the trough (23) and the overflow trough (232), and the bottom of the overflow trough (232) is also provided with an overflow interface (233) connected with the overflow pipe (122) in a channel.
7. A blade coating apparatus according to claim 3, wherein: the two ends of a fixing frame (32) arranged at the top of the air cylinder (31) are rotationally connected with a scraping roller (33) through bearing blocks (34), wherein the bearing blocks (34) are clamped in limit grooves (321) at the two ends of the fixing frame (32), the bottoms of the bearing blocks (34) are connected with the limit grooves (321) through elastic elements (342), and sliding protrusions (341) matched with the limit grooves (321) are arranged on two sides of the bearing blocks (34).
8. The blade coating apparatus of claim 7, wherein: the utility model discloses a scraper blade, including scraper blade (33) and inclined baffle (323) of the material liquid collecting vat (322) is installed on mount (32) that scraper blade (33) correspond, wherein one side that the coating mechanism (2) was kept away from to mount (32) is installed to inclined baffle (323) with material liquid collecting vat (322) intercommunication, inclined baffle (323) extend to the base cloth bottom by mount (32), and inclined baffle (323) are the high low V type structure in middle of both sides.
9. A blade coating apparatus according to claim 3, wherein: the limiting roller (41) adopts an upper roller body (411) and a lower roller body (412) which are vertically symmetrical, wherein supporting frames (43) are arranged on two sides of the limiting roller (41), the tops of the supporting frames (43) are fixedly connected with bearing blocks at two ends of the upper roller body (411), and a spacing adjusting mechanism (44) is arranged between the bearing blocks at two ends of the lower roller body (412) and the bearing blocks at two ends of the corresponding upper roller body (411); the interval adjusting mechanism (44) comprises rotating shaft sleeves (441) on bearing blocks on two sides of an upper roller body (411), wire sleeves (442) on bearing blocks on two sides of a lower roller body (412) and a rod body (443) penetrating through the rotating shaft sleeves (441) and the wire sleeves (442), one end, close to the lower roller body (412), of the rod body (443) is sleeved with a gear sleeve (4431), adjusting gears (4441) meshed with the gear sleeves (4431) are arranged between the gear sleeves on two sides, and the adjusting gears (4441) are connected to the bottom surface of the bearing blocks of the lower roller body (412) in a rotating mode through adjusting rods (444).
10. The blade coating apparatus of claim 9, wherein: the slurry collecting channels (42) are arranged on two sides of the limiting rollers (41), coating scraping plates (413) are arranged on two sides of a gap between every two adjacent limiting rollers (41), slurry pipes (414) communicated with the slurry collecting channels (42) are arranged on the outer sides of the coating scraping plates (413), and the slurry collecting channels (42) are communicated with a feed back opening (114) of the coating tank (11) through bottom feed back pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310043500.2A CN116289247B (en) | 2023-01-29 | 2023-01-29 | Flame-retardant coated fabric, blade coating device and preparation method of coated fabric |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310043500.2A CN116289247B (en) | 2023-01-29 | 2023-01-29 | Flame-retardant coated fabric, blade coating device and preparation method of coated fabric |
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| CN116289247A true CN116289247A (en) | 2023-06-23 |
| CN116289247B CN116289247B (en) | 2023-12-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117718196A (en) * | 2024-02-08 | 2024-03-19 | 江苏贝尔特福新材料股份有限公司 | Textile base cloth surface coating device and coating method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0648858U (en) * | 1992-12-09 | 1994-07-05 | 日本鋼管株式会社 | Paint pan for roll painting of steel strip |
| JPH09131555A (en) * | 1995-11-09 | 1997-05-20 | Nkk Corp | Coating device with roll coater |
| CN101886340A (en) * | 2009-05-13 | 2010-11-17 | 东丽纤维研究所（中国）有限公司 | High-waterproof high-moisture-permeable flame-retardant coating fabric and production method thereof |
| CN205741580U (en) * | 2016-06-29 | 2016-11-30 | 浙江飞虎新材料有限公司 | A kind of cutter scraping coating production line |
| CN107541956A (en) * | 2017-09-28 | 2018-01-05 | 长兴恒大电子材料有限公司 | One kind weaving flame-retardant waterproof coating coating unit |
| CN111793090A (en) * | 2020-07-29 | 2020-10-20 | 陕西科技大学 | DOPO silicon phosphorus synergistic flame retardant and preparation method and application thereof |
-
2023
- 2023-01-29 CN CN202310043500.2A patent/CN116289247B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0648858U (en) * | 1992-12-09 | 1994-07-05 | 日本鋼管株式会社 | Paint pan for roll painting of steel strip |
| JPH09131555A (en) * | 1995-11-09 | 1997-05-20 | Nkk Corp | Coating device with roll coater |
| CN101886340A (en) * | 2009-05-13 | 2010-11-17 | 东丽纤维研究所（中国）有限公司 | High-waterproof high-moisture-permeable flame-retardant coating fabric and production method thereof |
| CN205741580U (en) * | 2016-06-29 | 2016-11-30 | 浙江飞虎新材料有限公司 | A kind of cutter scraping coating production line |
| CN107541956A (en) * | 2017-09-28 | 2018-01-05 | 长兴恒大电子材料有限公司 | One kind weaving flame-retardant waterproof coating coating unit |
| CN111793090A (en) * | 2020-07-29 | 2020-10-20 | 陕西科技大学 | DOPO silicon phosphorus synergistic flame retardant and preparation method and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117718196A (en) * | 2024-02-08 | 2024-03-19 | 江苏贝尔特福新材料股份有限公司 | Textile base cloth surface coating device and coating method |
| CN117718196B (en) * | 2024-02-08 | 2024-04-23 | 江苏贝尔特福新材料股份有限公司 | Textile base cloth surface coating device and coating method |
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