CN110117911A - A kind of coating composite material and preparation method thereof - Google Patents
A kind of coating composite material and preparation method thereof Download PDFInfo
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- CN110117911A CN110117911A CN201910412287.1A CN201910412287A CN110117911A CN 110117911 A CN110117911 A CN 110117911A CN 201910412287 A CN201910412287 A CN 201910412287A CN 110117911 A CN110117911 A CN 110117911A
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- 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
- D06N3/06—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with polyvinylchloride or its copolymerisation products
- D06N3/065—PVC together with other resins except polyurethanes
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- 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
- D06N3/0006—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 woven fabrics
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- 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
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- 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
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic compounds
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
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- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
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- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
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- D06N3/06—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with polyvinylchloride or its copolymerisation products
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- D06N3/121—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 polyesters, polycarbonates, alkyds
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/18—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with two layers of different macromolecular materials
- D06N3/183—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with two layers of different macromolecular materials the layers are one next to the other
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Abstract
The present invention relates to a kind of coating composite materials, there is high heat-insulated and high-peeling strength coating composite material and preparation method thereof for main substrate with polyvinyl chloride and polyester fiber base cloth more particularly to a kind of, belong to new material technology field, composite material includes: dacron fabric substrate layer, the substrate layer two sides are respectively to coat surface layer and backing layer, the backing layer includes flame-proof PVC priming coat from inside to outside, flame-proof PVC thermal insulation layer, the coating surface layer includes flame-proof PVC priming coat from inside to outside, flame-proof PVC thermal insulation layer, PVC high reflection layer, infrared external reflection heat-insulation transparent layer, and it is prepared using specific preparation method, coating composite material has good heat-insulated, high-peeling strength and anti-wicking properties, its is fire-retardant, it is weather-proof, anti-ultraviolet property is excellent.
Description
Technical field
The present invention relates to a kind of coating composite materials, and in particular to one kind is main with polyvinyl chloride and polyester fiber base cloth
Substrate has high heat-insulated and high-peeling strength coating composite material and preparation method thereof, belongs to new material technology field.
Background technique
Polyvinyl chloride (PVC) coating composite material is to be coated on dacron fabric or glass by polyvinyl chloride composite materials
The surfaces such as glass fabric, then a kind of film class composite material obtained from high temperature plasticizing forming, because of its easy processing, at low cost etc.
Advantage is widely used in the Design of Membrane Structure (fields such as large-scale stadium, show ground, airport, railway station, plant Tourism Garden of Ecological
Institute), industry cloth (shelter cloth, packing sheet), the fields such as architectural shading (awning, curtain).
Design of Membrane Structure is the main application field of such composite material, and membrane structure is to be equipped with to add using these coating membrane materials
Strong component such as steel skeleton, steel column, steelframe, cable wire etc. generates pretension in the way of tensioning in film surface, or passes through inflation
Mode make a kind of inside and outside space structure form for generating draught head and constituting of membrane structure.As a kind of novel architectural shading shape
Formula, membrane structure building have many advantages, such as that light and handy, permeability is good, easy to operate, form is graceful, are widely used in the modern times and build
In building, and membrane structure building start it is universal in the whole world, especially in some developed countries, membrane structures have been commercialized,
Systematically it is presented in people at the moment.By coating material difference, membrane material used in Design of Membrane Structure can be divided into following several: 1) PVC
Membrane material: it is combined by pvc coating and polyester dacron fibrous base layers;2) PTFE film material: refer in superfine glass fibre volume
Coated with PTFE (polytetrafluoroethylene (PTFE)) in the base fabric being made into and formed composite material.The maximum feature of PTFE film material be intensity it is high,
Durability is good, fire prevention is fire retardant, self-cleaning is good, is not influenced by ultraviolet light;3) pvdf membrane material: refer in the base fabric of polyester fiber braiding
Add the composite material for applying PVDF (Kynoar) surface covering and being formed again after coating PVC;4) PVF surface layer is bonded membrane material: referring to
PVF (polyvinyl fluoride) is processed to film forming first, is then laminated with adhesive specially and PVC film face, the fitting of PVF surface layer is formed
Membrane material, this membrane material not only solve PVC film material problem easy to aging, significantly improve antifouling and self-cleaning performance, but feel is slightly hard, and
Processing technology difficulty is bigger, using being slightly restricted.PVC coating membrane material due to its outstanding cost performance, cheap raw material at
Originally, preferable tearing strength and excellent processing flexibility are one of membrane materials most widely used at present.
The main purpose of architectural shading is heat radiation, ultraviolet light and the dazzle of block sunlight, avoids sunlight and thermal energy straight
It taps into building, prevents indoor energy accumulating from heating up, be a kind of method for reducing energy consumption naturally to reduce energy consumption, it is economical
And it is practical, it is a kind of indispensable technological means in building energy conservation emission-reduction technology.Development and people couple with society
The raising of energy-saving and emission-reduction consciousness, the upper more emphasis energy conservation of selection and use and security function to architectural shading material.This will
Ask this coating composite material with sunshade function that there is higher reflective insulation.It is more at present in building energy saving field
Directly coated using insulating moulding coating and building surface, reach prevent heat transfer, reduce surface temperature with improve working environment and
Reduce the demand of energy consumption.With coating composite material surface that polyvinyl chloride and polyester fiber base cloth are main substrate generally more light
Sliding, and contain a large amount of plasticizer in pvc coating, insulating moulding coating property compatible is poor, is difficult to be applied directly to this compound
Material fabric, i.e., using the extraordinary bonding agent energy short time by insulating moulding coating coating get on, over time after, pvc coating
Middle plasticizer is migrated to material surface, and this obtained heat-proof quality that is surface-treated will slowly weaken.So using traditional
Insulating moulding coating directly coats so that the coating material is difficult to realize with heat-insulated technological means.
To make pvc coating composite material have heat-proof quality, single addition has one to some products in the coating
The titanium dioxide or glass microballoon or metallic aluminium powder for determining sunlight reflection function, as publication number CN208101249U,
Composite material disclosed in CN207944273U, CN108570258A has certain reflective insulation effect to visible light, but right
Infrared light does not have good reflex, and 780~2500nm near infrared ray energy accounts for about 50% or more in sunlight.So
How to prepare a kind of pvc coating composite material with good infrared external reflection heat insulating function is the type product up-gradation
Inexorable trend.As a kind of composite material of the public arenas applications such as building house ornamentation, with people's constantly mentioning to awareness of the importance of fire prevention
Height, the high flame resistance of such coating material obviously can more be suitble to the demand of some special application fields, although this multiple with PVC
Condensation material is that the sun shading material of main substrate has certain flame retardant property, but is not able to satisfy wanting for some high flame resistances
It asks.
In Design of Membrane Structure, to design the flexible large space without column and the surface structure with natural form beauty, usually
It requires to splice pvc coating membrane material, at present mostly using thermal weld or high-frequency welding technology to polyvinyl chloride
Coating membrane material is spliced, and this requires have good peel strength after the welding of pvc coating membrane material --- i.e.
Good binding performance is needed between PVC coating and polyester dacron fiber cloth, just can guarantee that spliced membrane structure safely may be used
It leans on.If the peel strength of membrane material is poor, must just sewing thread be used to be sutured, this will affect the appearance of membrane structure, and operate
Technique is cumbersome.It can be seen that having the pvc coating composite material of high-peeling strength, pvc coating material for preparation
Sufficiently being combined with polyester dacron fiber cloth is the emphasis studied.
Summary of the invention
In view of the above problems, the present invention provides a kind of with high heat-insulated, high-peeling strength, good flame resistance, synthesis
Coating composite material of function admirable and preparation method thereof.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of coating composite material, comprising: dacron fabric substrate layer, the substrate layer two sides are respectively to coat surface layer
And backing layer, the backing layer include flame-proof PVC priming coat, flame-proof PVC thermal insulation layer from inside to outside, the coating surface layer is wrapped from inside to outside
Include flame-proof PVC priming coat, flame-proof PVC thermal insulation layer, PVC high reflection layer, infrared external reflection heat-insulation transparent layer.
The surface layer of coating composite material includes flame-proof PVC priming coat, flame-proof PVC thermal insulation layer, PVC high reflection layer and infrared anti-
The multilayered structure of heat-insulation transparent layer is penetrated, most of near-infrared is reflected by infrared external reflection heat-insulation transparent layer first in sunlight, is dropped
The low entrance of thermal energy;Remaining light and thermal energy are reflected by PVC high reflection layer, further reduce the entrance of thermal energy;It is remaining
Some heat radiations by flame-proof PVC thermal insulation layer reflection-absorption, the heat-insulating technique of many body system of this solid ensure that entire coating
The high heat insulation of composite material.In the present invention, flame-proof PVC priming coat and flame-proof PVC thermal insulation layer are the masters of the composite material
Structure sheaf is wanted, starching amount is big relative to outermost two layers of surface layer, gathers around using the structure sheaf that many body system composite flame-proof technology makes
There is good flame-retarding characteristic, to assign final coating composite material preferable flame retardant property.Straight with polyester fiber base cloth
In the flame-proof PVC priming coat of contact, using chemical adhesive crosslinking technological, change so that PVC composite material and polyester fiber become
The network blackboard for learning crosslinking, the binding force both improved, and then improve the peel strength of entire coating composite material and multiple
The anti-wicking function of condensation material.
Preferably, the dacron fabric substrate layer is plain weave structure, polyester fiber line density is 600-
1000dtex, fabric weight 200-300g/m2。
Preferably, the coating composite material with a thickness of 0.8-1.2mm, grammes per square metre 800-1200g/m2。
Preferably, the flame-proof PVC priming coat, according to parts by weight, including following component: PVC paste resin: 90-110
Part, liquid calcium zinc complex stabilizer: 3-6 parts, plasticizer: 20-45 parts, flame-retardant plasticizer: 20-40 parts, 8-15 parts of fire retardant, phase
Hold modifying agent 5-10 parts, binder: 5-10 parts, crosslinking agent 1-2, cross-linking aid 5-10, visbreaking agent: 4-13 part.
Further preferably, the binder is poly-isocyanurate substance, such as trade name Bonding
At least one of Agent2001, Bonding Agent2005, T839, Vulcabond TP, Vulcabond VP;The friendship
Connection agent can be dual-tert-butyl cumyl peroxide;The cross-linking aid can be trimethylol propane trimethyl acrylic acid
Ester.
The present invention is the coating composite material that preparation has high-peeling strength, and coat polymer composite and polyester are fine
Bonding force between dimension fabric substrate is realized mainly by PVC priming coat.The surface of polyester fiber is smooth, and fusing point is higher,
The state of plasticity is still maintained under PVC colloidal sol plasticization temperature, only has object with polyester fibre surface after the plasticizing of PVC colloidal sol, cooling
The adsorption capacity of reason, the two bonding force is poor, influences the peel strength of coating material.Polyester fibre surface has a certain amount of hydroxyl,
Hydroxyl can react to form chemical bond with many active function groups, can be with these active functions if possessing in layer of PVC material
The chemical analysis that group reacts exists, and can make have good binding force between layer of PVC and polyester fiber, to improve viscous
Connecing property.It is added in PVC colloidal sol in the present invention using the bonding agent of active functional group, makes PVC colloidal sol at a certain temperature
Plasticizing bonds together with polyester fiber, improves adhesive property.
In order to further increase the peel strength of PVC priming coat, the present invention is cross-linked into PVC priming coat by chemical crosslinking
Network blackboard further increases the binding force of priming coat Yu terylene base fabric, improves the overall performance of material.Chemistry is handed at present
The connection common method of PVC has crosslinked with silicane PVC, compound in triazine class crosslinked PVC and peroxide crosslinking PVC, wherein peroxide
The cross-linking efficiency of compound crosslinked PVC is higher.The present invention joined poly- isocyanuric acid salt bonding in bottom PVC colloidal sol
Agent, it is contemplated that the binder can be chemically reacted with peroxide crosslinking agent, can be further improved the removing of PVC priming coat
Intensity, the present invention select dual-tert-butyl cumyl peroxide as crosslinking agent, and trimethylol-propane trimethacrylate is made
For cross-linking aid, the degree of cross linking for improving priming coat PVC is further increased, it is made to form a kind of network interpenetrating knot with terylene base fabric
Structure improves the binding force of the two, and then improves the peel strength of coating composite material.In addition, since PVC priming coat and terylene are compiled
Fabric substrate carried out chemical crosslinking combine together, even if braided fabric base fabric it is exposed outside (such as coating material it is subsequent cutting,
When rope is buried in splicing seams or outside), rainwater and moisture will not make braided fabric base fabric wet to influence composite material
Application performance has the function of good anti-wicking.
Preferably, the flame-proof PVC thermal insulation layer, according to parts by weight, including following component: PVC paste resin: 80-90
Part, PVC blending resin: 10-20 parts, liquid calcium zinc complex stabilizer: 3-6 parts, plasticizer: 20-45 parts, flame-retardant plasticizer: 20-
40 parts, 15-27 parts of fire retardant, 10-15 parts of titanium dioxide, infrared insulation agent 5-10 parts, 8-12 parts of compatible modifier, visbreaking agent: 8-
15 parts, it is auxiliary agent 0.6-1 parts other.
The particle structure of PVC blending resin is close, spherical in shape, smooth in appearance, narrow particle size distribution, and absorption plasticising dosage is small,
There is certain compatibility with plasticizer.Compared to the partial size (0.2-2 μm) of common PVC paste resin particle, PVC blending resin particle
The partial size of (K value is 57-75) is bigger, between 20-60 μm, after paste resin is added in blending resin, between blending resin particle
Gap be filled with, accumulation becomes fine and close, and particle surface is more smooth, and porosity is low, and surface area is small, so that PVC paste slurry
Viscosity reduce, improve processing performance, not only reduce PVC colloidal sol blibbing in coating procedure generation, moreover it is possible to reduce
The glossiness of coating product keeps its pattern uniform.
Titanium dioxide is a kind of pigment with good heat reflection performance, provides good covering power for coating material of the present invention
Meanwhile also there is good heat insulating reflecting to act on.
Further preferably, wolframic acid caesium and metal oxide pigments and fillers that the infrared insulation agent is mass ratio 0.5-1.5:1
Mixture, the metal oxide pigments and fillers include nanoscale Fe2O3、MnO2、Co2O3、CuO、Cr2O3One of or it is more
Kind.
Further preferably, the infrared insulation agent is the wolframic acid caesium of mass ratio 1:1 and the mixing of metal oxide pigments and fillers
Object.
Metal oxide pigments and fillers have infrared insulative properties in infrared insulation agent of the invention.Wolframic acid caesium is near infrared region
Domain 800-1100nm has extremely strong absorption characteristic, is a kind of good barrier material, and it is in UV light region 200-380nm
It is beneficial to composite material anti-ultraviolet ageing with stronger shielding character.
Further preferably, the fire retardant is mass ratio 1:1:(0.7-1): the decabromodiphenylethane of (0.4-0.7), three oxygen
Change the mixture of two antimony, zinc borate, zinc hydroxyl stannate.
It can be added to there are many raw materials used in polyvinyl chloride as fire retardant, however not necessarily all have between different material
Facilitation can even generate the effect cancelled out each other after somewhat different fire retardant raw material mixing.The present invention is starched using PVC paste
Material coating polyester fiber base fabric, needs PVC paste slurry to have good processing fluidity, therefore the additional amount of plasticizer is larger,
And then affect the flame retardant property of material.In addition there is lower viscosity and good flow processability for guarantee composite material
Can, the addition composition of inorganic fire retardants cannot be too big, so novel many body system synergistic fire retardant must be used, keep its lower plus
High fire-retardance effect can be reached by entering amount.
Bromide fire retardant has good free radical capture performance, can capture maintenance burning and be desirable for free radical, thus
Flame transmission is prevented, declines the flame intensity of combustion zone, finally terminates combustion reaction.Antimony oxide has good
Cooperative flame retardant effect, it is reacted while halide decomposes to give off halogen acids or halogen generates antimony trihalide or antimony halides
Acyl, these antimonials can be reduced combustible and contact with oxygen, generate charcoal coating, to achieve the purpose that fire-retardant.Boric acid
Diboron trioxide, the ZnCl that zinc generates after decomposing at high temperature with polyvinyl chloride, brominated flame-retardant synergistic2、ZnBr2It is covered on poly-
It closes object surface and forms one layer of glassy mass, play the role of inhibiting twilight sunset, there is condensed phase fire retardant mechanism.And zinc borate decomposes
The zinc compound of generation can improve neat coal amout, reduce into smoke, burning be prevented to continue.Zinc borate absorbs heat dehydration at high temperature
It can also play the role of cooling fire retardant mechanism.Zinc hydroxyl stannate can catalytic activation PVC pyrolysis, and it is promoted to be cross-linked into charcoal,
Fine and close protection layer of charcoal is formed, enters with preventing partial heat and smog overflows, to improve the flame retardant effect of foamed char.
In the present invention, fire retardant mechanism has: condensed phase fire retardant mechanism, free radical capture mechanism, cooling barrier mechanism and synergistic effect machine
Reason.These flame retardant synergisms make fire retardant that can also greatly improve the resistances of polyvinyl chloride composite materials in the case where low additional amount
Combustion property.
Preferably, the PVC high reflection layer, according to parts by weight, including following component: PVC paste resin: 90-110
Part, liquid calcium zinc complex stabilizer: 3-6 parts, plasticizer: 20-45 parts, flame-retardant plasticizer: 20-40 parts, aluminium powder: 6-10 parts, sky
1-2.5 parts of heart glass microballoon, 0.5-1 parts of wetting agent, 5-10 parts of compatible modifier, visbreaking agent: 5-12 parts, other auxiliary agent 0.6-1
Part.
Further preferably, the partial size of the aluminium powder is 20-60 μm, and in flakey, the ratio of piece diameter and thickness is (40:1)-
(100:1);The partial size of the hollow glass micropearl is 100-200 μm;The wetting agent is acrylic compounds wetting agent.
The structure of hollow glass micropearl is the microspheres of thin wall hollow, and main component is sodium borosilicate, surface light
It is clean, particle size is uniform, thermal coefficient is low, and to Solar reflectance height, thermodynamic barrier is good.Aluminium powder has silvery white non-ferrous metal light
Pool, light, floating force is high, and strong covering power, any surface finish is good to the reflecting properties of light and heat, can reflect most of visible light.
In addition, since special " contrast effect " that metallic aluminium powder is presented in coating material makes it become a kind of high reflection of hot topic
Use metal powder.After aluminium powder is distributed to carrier, since its unique floating acts on so that its own with by the ground of carrier coating
In parallel, continuous aluminium powder layer is formed, and this aluminium powder layer multilayer parallel in carrier film arranges, so as to form one layer of densification
Reflection layer.To keep aluminium powder and hollow glass micropearl preferably compatible with PVC composite material, allow it in PVC high reflection layer
Surface can be preferably arranged in parallel, the present invention by wetting agent being added so that the two can be preferably dispersed in PVC composite material,
Promote it to align, increases reflecting properties.
Further preferably, the plasticizer includes p-benzene dioctyl dicarboxylic acid elasticizer, adipic acid ester plasticizer, lemon
One of acid ester type plasticizer is a variety of;The flame-retardant plasticizer includes triphenyl phosphate, tricresyl phosphate, tricresyl phosphate
One of diphenyl ester, diphenyl phosphate 2- monooctyl ester, tricresyl phosphate (2- octyl) ester are a variety of;The visbreaking agent includes 2,2,4- tri-
Methyl-1,3- pentanediol diisobutyrate.
PVC paste resin chlorinty has certain flame retardant property up to 56%, need to be during preparing PVC paste slurry
A large amount of plasticizer is added in PVC paste resin, just can guarantee that paste material has lower viscosity and good flow processability energy.
The plasticizing molecule of plasticizer can be inserted between polyvinyl chloride strand, increased the mobility of polyvinyl chloride strand, reduced and gather
The crystallinity of vinyl chloride strand, so that the plasticity of polyvinyl chloride and flexibility be made to enhance to improve polyvinyl chloride processability
Energy.But the addition of a large amount of conventional plasticizers, the flame retardant property of polyvinyl chloride composite materials can be made to be greatly reduced.For this purpose, this hair
It is bright to replace part common plasticizers using flame retardant type plasticizer, to reduce influence of the plasticizer to the fire-retardant performance of composite material.Resistance
The group in plasticizer molecule containing phosphoric acid class with flame-retarding characteristic is fired, to assign flame-retardant plasticizer certain flame-retarding characteristic.
For coating composite material before non-thermoplastification machine-shaping, the viscosity of PVC paste slurry system is to influence its coating to add
The main performance index of work, viscosity is excessively high or too low, and coating molding technique is all unable to complete, and inorganic component and compatible changes
Property agent, bonding agent, crosslinking agent etc., all increase the viscosity of composite system.The present invention is by being added visbreaking agent to adjust body
It is viscosity, visbreaking agent can not only reduce composite system viscosity, can also it play the role of plasticising to polyvinyl chloride resin, the auxiliary agent
Be added can also the dryer and comfortableer beauty of PVC colloidal sol plasticizing forming rear surface, increase surface layer antiwear property.
Preferably, the infrared external reflection heat-insulation transparent layer, according to parts by weight, including following component: it is acrylic acid modified
Alkyd resin solution: 90-110 parts, 20-35 parts of compatible modifier, infrared external reflection insulation agent: 4-8 parts, butyl acetate: 20-40
Part, dispersing agent: 1-2 parts, 1-2 parts of levelling agent, auxiliary agent 0.6-1 parts other.
Further preferably, the solid content of the acrylic acid modified alkyd resin solution is 25-35%;The infrared external reflection every
Thermit powder is the mixture of the nanoscale antimony-doped tin oxide of mass ratio 0.5-1.5:1, nanoscale tin-doped indium oxide.
Further preferably, the infrared external reflection insulation agent is nanoscale antimony-doped tin oxide, the nanoscale tin of mass ratio 1:1
The mixture of doped indium oxide.
Infrared external reflection insulation agent of the invention is a kind of good transparent heat-insulated material, has high visible light transmissivity and excellent
Good near-infrared reflection performance and microwave attenuation performance, visible light transmittance are greater than 70%, and to the close of 800-1800nm
Infrared ray has apparent reflex, has preferable heat insulation.
Infrared external reflection heat-insulation transparent layer is using acrylic acid modified alkyd resin as matrix resin.Common alkyd resin has
The richness that forms a film is good, is easy the features such as construction, but its drying time is long, and hardness is low, and water-fast weatherability is poor.Acrylate
With high transparency, excellent colour retention and outdoor weathe resistance, but its workability, the flexibility of film and cold tolerance compared with
Difference.Acrylic acid modified alkyd resin, had not only remained that alkyd resin richness is good, is easy the features such as construction, but also inherited thermoplasticity
The characteristics of acrylate quick-drying, high transparency, excellent colour retention and outdoor weathe resistance, enhance weather resistance.The resin
The good transparency and weatherability enable infrared external reflection insulation agent dispersed therein to give full play to its characteristic, will be most of
Near-infrared heat reflection is gone out, and high heat insulation is played.In addition, its high transparency also allow in inner layer PVC high reflection layer aluminium powder and
Hollow glass micropearl can smoothly reflect natural light, reduce heat radiation accumulation, achieve the effect that high heat-insulated.Dispersing agent can make infrared
Reflective insulation agent is preferably dispersed in matrix resin.Levelling agent can promote the thermal insulation layer to be formed during the drying and film forming process
One smooth, smooth film increases spreadability, keeps film forming uniform.
Further preferably, other described auxiliary agents include one of antioxidant, ultraviolet absorbing agent, toner or a variety of.
The performances such as the weather-proof of coating composite material, uvioresistant largely depend on the performance of coat composite material.
Other auxiliary agents can promote the performances such as the ultraviolet resistance of composite material, weatherability.
Antioxidant can inhibit the oxygen in air to the oxygenolysis of composite material.Antioxidant appropriate and the present invention
After polyvinyl chloride composite materials mixing, the reservation of physical property after composite material heats in aerobic air can be improved.The present invention
In, antioxidant includes one or both of resistance phenolic antioxidant, phosphite ester antioxidant.In outdoor ultraviolet irradiation
Under, polyvinyl chloride composite materials are easy to generate chemical breakdown reaction.The ultraviolet light that UV resistant agent can will expose on product
It absorbs that the chemical breakdown between ultraviolet light and composite material is inhibited to react.In the present invention, UV resistant agent can be hexichol first
Specifically 2-hydroxy-4-n-octoxybenzophenone, 2- hydroxyl -4- octyloxy hexichol first can be selected in ketone UV resistant agent
One of ketone, ESCALOL 567,4- dihydroxy benaophenonel are a variety of.
Further preferably, the compatible modifier can be vinyl chloride-vinyl acetate copolymer resin.
Compatible modifier can make fire retardant, aluminium powder, infrared external reflection insulation agent, hollow glass micropearl, titanium dioxide etc. inorganic
Additive is compatible with PVC well, gives full play to the flame retardant synergism of fire retardant and the heat-proof quality of infrared external reflection insulation agent.
Vinyl chloride-vinyl acetate copolymer resin is that vinyl chloride and vinyl acetate monomer carry out being copolymerized polymer obtained.Itself and polychlorostyrene second
Olefine resin compatibility is good, and the vinyl acetate polar group contained can be with inorganic additive chemical Coupling, thus to matrix PVC tree
Rouge and various inorganic additives play compatible role, keep composite system more uniform rationally.Vinyl chloride-vinyl acetate copolymerization
The flexibility, toughness and processing flowability of composite material can also be improved with Corvic blending and modifying.In addition, red
In external reflectance heat-insulation transparent layer, compatible modifier is matched with acrylic acid modified alkyd resin, not only increase infrared external reflection every
Compatibility between thermit powder and resin, more since vinyl chloride-vinyl acetate copolymer resin and polyvinyl chloride have excellent compatibility,
So that the infrared external reflection heat-insulation transparent layer and inner layer PVC composite material have good binding performance, it is heat-insulated to assign infrared external reflection
The better stability of hyaline layer.
A kind of preparation method of coating composite material, includes the following steps:
S1: it chooses plain weave structure dacron fabric and substrate layer is made;
S2: weighing flame-proof PVC priming coat and flame-proof PVC thermal insulation layer raw material, is respectively prepared paste material, then by flame-proof PVC bottom
Coating paste material is coated on substrate layer two sides, and then flame-proof PVC thermal insulation layer paste material is coated on flame-proof PVC priming coat, dries
PVC precoated shet membrane material is finally carried out profile pattern processing at PVC precoated shet membrane material by form;
S3: weighing PVC high reflection layer raw material and paste material be made, after PVC high reflection layer paste material is coated on smooth processing
PVC precoated shet membrane material side, preplasticizing drying;
S4: weighing infrared external reflection heat-insulation transparent layer raw material and coating agent be made, and coating agent is coated on PVC high reflection layer,
High temperature plasticizing forming obtains coating composite material.
Preferably, prepared by flame-proof PVC priming coat paste material described in S2 specifically: by PVC paste resin, liquid Ca Zn composite
Stabilizer, plasticizer, flame-retardant plasticizer, fire retardant, compatible modifier stir, then grind 1- on three roller mills
3 times, binder, crosslinking agent, cross-linking aid, visbreaking agent are added while stirring, last high-speed stirred 25-35min obtains rotary viscosity
For the flame-proof PVC priming coat paste material of 1000-2000mPas.
Preferably, flame-proof PVC priming coat paste material described in S2 coats by the way of dipping and rubber tire padding machine roll compacting,
Under tension traction, flame-proof PVC priming coat paste material is evenly applied to the both side surface of substrate layer, then preplasticizing is dried, leaching
Roll compacting power is 0.5-0.8MPa, face tension 800-1000N, speed 3-5m/min, and drying temperature is 130-150 DEG C.
The present invention makes flame-proof PVC priming coat paste material penetrate into the interior of fiber by the way of dipping and rubber tire padding machine roll compacting
Portion increases contact area, and then improves bonding force, preferably to allow paste material to penetrate into the inside of fiber, the priming coat slurry
Viscosity cannot be too big, and walk cloth speed also should not be too fast.Pass through the control pasted slurry viscosity, pad pressure and speed, Ke Yida
To the control of thickness and starching amount, the good priming coat containing Cross-linked adhesive layer is prepared.
Preferably, prepared by flame-proof PVC thermal insulation layer paste material described in S2 specifically: all raw materials are stirred,
It is ground 1-3 times on three roller mills again, obtains the flame-proof PVC thermal insulation layer paste material that rotary viscosity is 1500-2500mPas.
Preferably, the coating of flame-proof PVC thermal insulation layer paste material described in S2 is carried out using magnetic force coating machine, pass through frosted magnetic roller
Flame-proof PVC thermal insulation layer paste material is coated on PVC priming coat paste material, then preplasticizing is dried, and magnetic roller magnetic force is 60-
80%, face tension 800-1200N, 130-150 DEG C of drying temperature, speed 5-7m/min.
Flame-proof PVC thermal insulation layer, which has, absorbs heat-insulated and high flame-retardant property, and the present invention is coated using magnetic force coating machine, magnetic
Power coating machine by controlling starching amount with magnetic magnetic roller, has many advantages, such as that control is accurate, easy to operate.Starching amount it is more
Magnetic roller form, the viscosity of the size of magnetic force and the heat-insulated paste material of flame-proof PVC are depended on less, and the combination of three can be accurately controlled
The thickness of coating.Pass through the viscosity of size, PVC paste slurry to magnetic roller form, magnetic force, face tension, drying room temperature, production speed
Satisfactory thermal insulation layer is prepared in the adjustment of degree.
Preferably, planarization described in S2 handle specifically: at 90-120 DEG C, with calender 0.2-0.3MPa pressure
Planarization processing is carried out to precoated shet membrane material surface under power.
PVC high reflection layer and infrared external reflection heat-insulation transparent layer of the flatness on precoated shet membrane material surface for subsequent surface layer
Coating quality and there is large effect to the reflecting properties of light, needs to carry out planarization processing to precoated shet membrane material surface thus.
At a certain temperature, planarization processing is carried out to precoated shet membrane material surface using calender under pressure, key exists
In the control of temperature, the too high then layer of PVC of temperature is tacky, and material can be sticked on roller, will affect fabric quality, and temperature is too low smooth
Effect can it is poor, the purpose of processing is not achieved.
Preferably, prepared by PVC high reflection layer paste material described in S3 specifically: aluminium powder, hollow glass micropearl, wetting will be removed
Other compositions outside agent stir, then grind on three roller mills 1-3 times, and aluminium powder, hollow glass are added while stirring
Glass microballon and wetting agent, last high-speed stirred 25-35min obtain the PVC high reflection layer that rotary viscosity is 1500-2500mPas
Paste material.
Preferably, the coating of PVC high reflection layer paste material described in S3 carries out the coating of cylinder single side using vertical roll coating apparatus
Method, PVC high reflection layer paste material list face is coated to smooth treated PVC precoated shet membrane material side, then preplasticizing is dried
Dry, cylinder mesh is 40-80 mesh, face tension 900-1500N, 130-150 DEG C of drying temperature, speed 7-9m/min.
Preferably, prepared by infrared external reflection heat-insulation transparent layer described in S4 specifically: it is equal that all raw materials are sufficiently dissolved to stirring
It is even, obtain the infrared external reflection heat-insulation transparent layer coating agent that rotary viscosity is 500-800mPas.
Preferably, infrared external reflection heat-insulation transparent layer coating agent described in S4 carries out the painting of cylinder single side using vertical roll coating apparatus
Infrared external reflection heat-insulation transparent layer coating agent single side is coated on PVC high reflection layer by the method covered, then high temperature plasticizing forming, circle
Net mesh be 40-80 mesh, face tension 1000-1800N, 170-190 DEG C of plasticizing forming temperature, plasticizing forming time 4-6min,
Speed is 5-7m/min.
The PVC high reflection layer and infrared external reflection heat-insulation transparent layer of surface layer will assign the high heat-proof quality of final coating material.?
It is carried out in cylinder single side coated technique on vertical roll coating apparatus, by adjusting the viscosity of material to be coated, the size of cylinder mesh, pressure
Roller pressure etc. can control coating amount well, realize the requirement of single side coating.In PVC high reflection layer, the aluminium powder containing sheet
And hollow glass micropearl, the two is added in PVC high reflection paste material in such a way that rear addition is stirred, does not destroy theirs
Ordered structure.After every layer of slurry coating finishes, all only preplasticizing is dried under the conditions of 130-150 DEG C, and last surface layer has coated
After finishing, last high temperature plasticizing forming is just carried out, and then have the advantage that
1) mechanical property that can prevent multiple high temp from making material (stretches, tearing) decline;
2) it prevents multiple high temp from destroying the cross-linked network space structure of bottom PVC and polyester fiber, and then destroys coating material
The peel strength of material;
3) high-temperature molding can enable the PVC between each coat disposably be plasticized completely to be fused together, regardless of
Layer, improves the overall performance of material.
Compared with other materials, the present invention has the advantage that
(1) the coating bottom of coating composite material of the present invention and dacron by chemical adhesive crosslinking technological in conjunction with, make
Obtaining PVC composite material and polyester fiber becomes a kind of network blackboard, the binding force of the two is improved, so that entire coating
Composite material has high-peeling strength and good anti-wicking properties.
(2) surface layer of coating composite material includes flame-proof PVC priming coat, flame-proof PVC thermal insulation layer, PVC high reflection layer and red
4 layers of structure of external reflectance heat-insulation transparent layer, the entire coating composite material that the heat-insulating technique of many body system of this solid makes have
High heat insulation can reach 65% or more (testing standard: GB/T2680-1994) to the direct reflectivity of sunlight.
(3) coating composite material uses many body system composite flame-proof technology, has preferable flame retardant effect, and oxygen index (OI) is reachable
32 (testing standard GB/T5454-1997).
(4) coating composite material has a high heat-insulated and high-peeling strength, heat-resisting, weather-proof, anti-ultraviolet property is excellent, no
Containing phthalic acid, feel it is careful it is smooth, surface is clearly smooth, can preferably be applied to extra space, it is high heat-insulated and
The Design of Membrane Structure of high fire-retardance demand can also be applied to the fields such as Peng Gai, packaging, architectural shading.
Detailed description of the invention
Fig. 1 is coating composite material cross-sectional view;
Fig. 2 is coating composite material structural schematic diagram;
In figure, 1, infrared external reflection heat-insulation transparent layer;2, PVC high reflection layer;3, flame-proof PVC thermal insulation layer;4 flame-proof PVC primary coats
Layer;5, dacron fabric substrate layer.
Specific embodiment
The following is specific embodiments of the present invention, and technical scheme of the present invention will be further described, but the present invention is simultaneously
It is not limited to these embodiments.
As shown in Figs. 1-2, a kind of coating composite material, comprising: dacron fabric substrate layer, the substrate layer two sides point
Surface layer and backing layer Wei not be coated, the backing layer includes flame-proof PVC priming coat, flame-proof PVC thermal insulation layer, the coated side from inside to outside
Layer includes flame-proof PVC priming coat, flame-proof PVC thermal insulation layer, PVC high reflection layer, infrared external reflection heat-insulation transparent layer from inside to outside.Coating
Composite material has a high heat-insulated and high-peeling strength, heat-resisting, weather-proof, anti-ultraviolet property is excellent.
Embodiment 1
S1: selection grammes per square metre is 260g/m2, polyester fiber line density be 1000dtex plain weave structure dacron fabric system
At substrate layer;
S2: following parts by weight raw material: 100 parts of PVC paste resin, 3.5 parts of liquid calcium zinc complex stabilizer, plasticising is first weighed
40 parts of agent, 35 parts of flame-retardant plasticizer, 4 parts of decabromodiphenylethane, 4 parts of antimony oxide, 3.2 parts of zinc borate, zinc hydroxyl stannate 2
Part, 7 parts of vinyl chloride-vinyl acetate copolymer resin, stir, then grind 2 times on three roller mills, while stirring plus
Enter 8 parts of binders, 2 parts of crosslinking agents, 8 parts of cross-linking aids and 12 parts of visbreaking agents, last high-speed stirred 30min obtains flame-proof PVC primary coat
Layer paste material, it is under tension traction, flame-proof PVC priming coat paste material is uniform by the way of dipping and rubber tire padding machine roll compacting
Both side surface coated on substrate layer, then preplasticizing is dried, and padding pressure is 0.5MPa, face tension 800N, and speed is
3.5m/min, 140 DEG C of drying temperature;
S3: weigh following parts by weight raw material: 85 parts of PVC paste resin, 15 parts of PVC blending resin, liquid Ca Zn composite are steady
Determine 4 parts of agent, 35 parts of plasticizer, 30 parts of flame-retardant plasticizer, 8 parts of decabromodiphenylethane, 8 parts of antimony oxide, 6.4 parts of zinc borate,
4 parts of zinc hydroxyl stannate, 12 parts of titanium dioxide, 8 parts of infrared insulation agent, 10 parts of vinyl chloride-vinyl acetate copolymer resin, visbreaking agent 12
Part, 0.4 part of antioxidant, 0.4 part of UV resistant agent, stir, then grind 2 times on three roller mills, obtain flame-proof PVC
Flame-proof PVC thermal insulation layer paste material is coated in the substrate two of S2 using magnetic force coating machine by thermal insulation layer paste material by frosted magnetic roller
Side surface, preplasticizing dry to obtain PVC precoated shet membrane material, wherein magnetic force coating machine magnetic roller magnetic force be 80%, face tension 900N,
Speed is 6m/min, and 140 DEG C of drying temperature obtain PVC precoated shet membrane material;
S4: the PVC precoated shet membrane material that S3 is obtained carries out surface calendering planarization and handles, and 110 DEG C of temperature, calender pressure
0.25MPa;
S5: following parts by weight raw material: 100 parts of PVC paste resin, 3.5 parts of liquid calcium zinc complex stabilizer, plasticising is first weighed
35 parts of agent, 30 parts of flame-retardant plasticizer, 8 parts of vinyl chloride-vinyl acetate copolymer resin, 0.4 part of antioxidant, 0.4 part of UV resistant agent,
It 8 parts of visbreaking agent, stirs, then is ground on three roller mills 2 times, 8 parts of aluminium powders, 2 parts of hollow glass are added while stirring
Glass microballon, 1 part of wetting agent, last high-speed stirred 30min are obtained PVC high reflection layer paste material, are justified using vertical roll coating apparatus
PVC high reflection layer paste material is coated on smooth treated PVC precoated shet membrane material side, then by the method for net single side coating
Preplasticizing drying, cylinder mesh be 40 mesh, face tension 1100N, speed 7m/min, 140 DEG C of drying temperature;
S6: weigh following parts by weight raw material: 100 parts of acrylic acid modified alkyd resin solution, vinyl chloride-vinyl acetate are total
30 parts of poly resin, 7 parts of infrared external reflection insulation agent, 1 part of dispersing agent, 1 part of levelling agent, 0.4 part of antioxidant, resists 30 parts of butyl acetate
0.4 part of ultraviolet light agent, wherein the solid content of acrylic acid modified alkyd resin solution is 30%, and sufficiently dissolution stirs evenly, and is obtained red
External reflectance heat-insulation transparent layer coating agent, the method for carrying out the coating of cylinder single side using vertical roll coating apparatus are heat-insulated by infrared external reflection
Hyaline layer coating agent single side is coated in the high reflection level of S5 formation, then high temperature plasticizing forming, and cylinder mesh is 40 mesh, cloth
Face tension 1500N, is plasticized drying forming time 6min by 190 DEG C of plasticizing forming temperature, and speed 5m/min obtains coating composite wood
Material.
Embodiment 2
Difference with embodiment 1 is only that, the raw material of 2 flame-proof PVC priming coat of embodiment are as follows: 100 parts of PVC paste resin, liquid
3.5 parts of body calcium-zinc composite stabilizing agent, 40 parts of plasticizer, 35 parts of flame-retardant plasticizer, 3 parts of decabromodiphenylethane, antimony oxide 3
Part, 2.4 parts of zinc borate, 1.5 parts of zinc hydroxyl stannate, 5 parts of vinyl chloride-vinyl acetate copolymer resin, 8 parts of binder, crosslinking agent 2
Part, 8 parts of cross-linking aid, 10 parts of thinner.
Embodiment 3
Difference with embodiment 1 is only that, the raw material of 3 flame-proof PVC priming coat of embodiment are as follows: 100 parts of PVC paste resin, liquid
3.5 parts of body calcium-zinc composite stabilizing agent, 40 parts of plasticizer, 35 parts of flame-retardant plasticizer, 4 parts of decabromodiphenylethane, antimony oxide 4
Part, 3.2 parts of zinc borate, 2 parts of zinc hydroxyl stannate, 5 parts of vinyl chloride-vinyl acetate copolymer resin, 5 parts of binder, crosslinking agent 1.5
Part, 6 parts of cross-linking aid, 7 parts of thinner.
Embodiment 4
Difference with embodiment 1 is only that, the raw material of 4 flame-proof PVC thermal insulation layer of embodiment are as follows: 85 parts of PVC paste resin, PVC
15 parts of blending resin, 4 parts of liquid calcium zinc complex stabilizer, 35 parts of plasticizer, 30 parts of flame-retardant plasticizer, 6 parts of decabromodiphenylethane,
6 parts of antimony oxide, 4.8 parts of zinc borate, 3 parts of zinc hydroxyl stannate, 12 parts of titanium dioxide, 8 parts of infrared insulation agent, vinyl chloride-acetic acid
8 parts of ethylene copolymer, 9 parts of visbreaking agent, 0.4 part of antioxidant, 0.4 part of UV resistant agent.
Embodiment 5
Difference with embodiment 1 is only that, the raw material of 5 flame-proof PVC thermal insulation layer of embodiment are as follows: 85 parts of PVC paste resin, PVC
15 parts of blending resin, 4 parts of liquid calcium zinc complex stabilizer, 35 parts of plasticizer, 30 parts of flame-retardant plasticizer, 8 parts of decabromodiphenylethane,
8 parts of antimony oxide, 6.4 parts of zinc borate, 4 parts of zinc hydroxyl stannate, 12 parts of titanium dioxide, 6 parts of infrared insulation agent, vinyl chloride-acetic acid
10 parts of ethylene copolymer, 12 parts of visbreaking agent, 0.4 part of antioxidant, 0.4 part of UV resistant agent.
Embodiment 6
Difference with embodiment 1 is only that, the raw material of embodiment 6PVC high reflection layer are as follows: 100 parts of PVC paste resin, liquid
3.5 parts of calcium-zinc composite stabilizing agent, 35 parts of plasticizer, 30 parts of flame-retardant plasticizer, 6 parts of vinyl chloride-vinyl acetate copolymer resin, antioxygen
0.4 part of agent, 0.4 part of UV resistant agent, 6 parts of visbreaking agent, 6 parts of aluminium powder, 1.5 parts of hollow glass micropearl, 0.8 part of wetting agent.
Embodiment 7
Difference with embodiment 1 is only that, the raw material of 7 infrared external reflection heat-insulation transparent layer of embodiment are as follows: acrylic acid modified alcohol
100 parts of acid resin solution, 30 parts of vinyl chloride-vinyl acetate copolymer resin, 30 parts of butyl acetate, infrared external reflection insulation agent 5 part, point
1 part of powder, 1 part of levelling agent, 0.4 part of antioxidant, 0.4 part of UV resistant agent.
Embodiment 8
Difference with embodiment 1 is only that the temperature of the preplasticizing drying of S2, S3, S5 is 150 DEG C in embodiment 8.
Embodiment 9
Difference with embodiment 1 is only that S6 plasticizing forming temperature is 170 DEG C in embodiment 9.
Embodiment 10
Difference with embodiment 1 is only that S6 plasticizing forming temperature is 180 DEG C in embodiment 10.
Comparative example 1
Difference with embodiment 1 is only that, the S2 step of comparative example 1 specifically: first weigh following parts by weight raw material:
100 parts of PVC paste resin, 3.5 parts of liquid calcium zinc complex stabilizer, 40 parts of plasticizer, 35 parts of flame-retardant plasticizer, decabromodiphenylethane
4 parts, 4 parts of antimony oxide, 3.2 parts of zinc borate, 2 parts of zinc hydroxyl stannate, 7 parts of vinyl chloride-vinyl acetate copolymer resin, visbreaking agent
It 12 parts, stirs, then is ground 2 times on three roller mills, obtain flame-proof PVC priming coat paste material.
Comparative example 2
Difference with embodiment 1 is only that, the raw material of 2 flame-proof PVC priming coat of comparative example are as follows: 100 parts of PVC paste resin, liquid
3.5 parts of body calcium-zinc composite stabilizing agent, 40 parts of plasticizer, 35 parts of flame-retardant plasticizer, 4 parts of decabromodiphenylethane, antimony oxide 4
Part, 5 parts of vinyl chloride-vinyl acetate copolymer resin, 8 parts of binder, 2 parts of crosslinking agent, 8 parts of cross-linking aid, 12 parts of visbreaking agent.
Comparative example 3
Difference with embodiment 1 is only that, the raw material of 3 flame-proof PVC thermal insulation layer of comparative example are as follows: 85 parts of PVC paste resin, PVC
15 parts of blending resin, 4 parts of liquid calcium zinc complex stabilizer, 35 parts of plasticizer, 30 parts of flame-retardant plasticizer, 8 parts of decabromodiphenylethane,
8 parts of antimony oxide, 12 parts of titanium dioxide, 8 parts of infrared insulation agent, 8 parts of vinyl chloride-vinyl acetate copolymer resin, 10 parts of visbreaking agent,
0.4 part of antioxidant, 0.4 part of UV resistant agent.
Comparative example 4
Difference with embodiment 1 is only that, the raw material of 4 flame-proof PVC thermal insulation layer of comparative example are as follows: 85 parts of PVC paste resin, PVC
15 parts of blending resin, 4 parts of liquid calcium zinc complex stabilizer, 35 parts of plasticizer, 30 parts of flame-retardant plasticizer, 8 parts of decabromodiphenylethane,
8 parts of antimony oxide, 6.4 parts of zinc borate, 4 parts of zinc hydroxyl stannate, 12 parts of titanium dioxide, vinyl chloride-vinyl acetate copolymer resin 8
Part, 10 parts of visbreaking agent, 0.4 part of antioxidant, 0.4 part of UV resistant agent.
Comparative example 5
Difference with embodiment 1 is only that, the raw material of comparative example 5PVC high reflection layer are as follows: 100 parts of PVC paste resin, liquid
3.5 parts of calcium-zinc composite stabilizing agent, 35 parts of plasticizer, 30 parts of flame-retardant plasticizer, 6 parts of vinyl chloride-vinyl acetate copolymer resin, antioxygen
0.4 part of agent, 0.4 part of UV resistant agent, 5 parts of visbreaking agent, 2 parts of hollow glass micropearl, 0.5 part of wetting agent.
Comparative example 6
Difference with embodiment 1 is only that, the raw material of 6 infrared external reflection heat-insulation transparent layer of comparative example are as follows: acrylic acid modified alcohol
100 parts of acid resin solution, 25 parts of vinyl chloride-vinyl acetate copolymer resin, 25 parts of butyl acetate, 1 part of dispersing agent, 1 part of levelling agent,
0.4 part of antioxidant, 0.4 part of UV resistant agent, wherein the solid content of acrylic acid modified alkyd resin solution is 30%.
Comparative example 7
Difference with embodiment 1 is only that, the raw material of 7 flame-proof PVC thermal insulation layer of comparative example are as follows: 85 parts of PVC paste resin, PVC
15 parts of blending resin, 4 parts of liquid calcium zinc complex stabilizer, 35 parts of plasticizer, 30 parts of flame-retardant plasticizer, 12 parts of titanium dioxide, it is infrared
8 parts of insulation agent, 4 parts of vinyl chloride-vinyl acetate copolymer resin, 12 parts of visbreaking agent, 0.4 part of antioxidant, 0.4 part of UV resistant agent.
Comparative example 8
Difference with embodiment 1 is only that, the boric acid in 8 flame-proof PVC priming coat of comparative example and flame-proof PVC thermal insulation layer raw material
Zinc and zinc hydroxyl stannate with etc. the magnesium hydroxides of quality replace.
Comparative example 9
Difference with embodiment 1 is only that the infrared insulation agent in 9 flame-proof PVC thermal insulation layer raw material of comparative example is metal oxygen
Compound pigments and fillers are free of wolframic acid caesium.
Comparative example 10
Difference with embodiment 1 is only that, comparative example 10 without S4PVC precoated shet membrane material surface calendering planarization at
Reason.
Comparative example 11
Difference with embodiment 1 is only that the temperature of the preplasticizing drying of S2, S3, S5 is 165 DEG C in comparative example 9.
Comparative example 12
Difference with embodiment 1 is only that S6 plasticizing forming temperature is 200 DEG C in comparative example 10.
Table 1: the physicochemical property of embodiment 1-10 and comparative example 1-12 floating coat composite material
Wherein, peel strength test standard: GB/T2791-1995;Oxygen index (OI) testing standard: GB/T5454-1997;Solarization
Color fastness testing standard: GB/T8427-2008;The direct reflectivity testing standard of sunlight: GB/T2680-1994.
Heat-proof quality detection method: 50cm × 50cm × 50cm hot box, cabinet are built with alumina silicate insulation board
Interior external application tinfoil environmental sealing, stays one side to put test coating material, and testing light source is the iodine-tungsten lamp of 1000W, light source distance
Testing coating material 0.5m respectively sets one by the one side center of light source and box house center in testing coating material
Temperature measuring point.After light source irradiates 8 minutes, the temperature difference in outside with two temperature measuring point of inside is detected and calculates, the temperature difference is greater than 16 DEG C of expressions
Test material heat-proof quality is good, and the temperature difference is preferable in 16-10 DEG C of expression test material heat-proof quality, and the temperature difference is surveyed in 10-5 DEG C of expression
Test material material heat-proof quality is general, and less than 5 DEG C expression test material heat-proof qualities of the temperature difference are poor.
As it can be seen from table 1 there is high heat-insulated and high-peeling strength coating composite material not only prepared by the present invention
With good heat-proof quality and high-peeling strength, fire-retardant and weather resistance is also good.
From embodiment and comparative example as can be seen that in coating composite material bottom coating material of the present invention, chemistry is used
It is bonded crosslinking technological, so that PVC composite material and polyester fiber become a kind of network blackboard, improves the binding force of the two,
And then improve the peel strength of entire coating composite material.As priming coat crosslinking agent and binder deal increase, removing is strong
Du Genggao is shown in embodiment 1 and 3.In addition the temperature of coating material final high temperature plasticizing forming also will affect the peel strength of material,
Temperature is higher, and the crosslinking agent, binder and cross-linking aid in priming coat can be preferably chemically crosslinked with dacron base fabric
Reaction, improves the peel strength of coating composite material, sees embodiment 1,9,10.But if temperature is excessively high when final high temperature is plasticized,
The cross-linked structure of bottom can be deteriorated, and reduced the peel strength of coating composite material, seen comparative example 12.In addition,
After every layer of slurry coating finishes, if preplasticizing drying temperature is excessively high, multiple high temp not only can also destroy bottom PVC and terylene is fine
The peel strength of the cross-linked network space structure of dimension, coating material of giving a piece of bad advice reduces, but also since a part of PVC is in preplasticizing rank
Section has begun plasticizing, has the appearance of microcosmic layering, and then influence the overall fusion of coating composite material, leads to coating material
Fire-retardant and to the direct reflectivity of sunlight the decline of material, is shown in comparative example 11.If crosslinking agent, binder and friendship are not added in priming coat
In the case where joining auxiliary agent, the peel strength of obtained coating composite material is very low, only 72N/5cm, sees comparative example 1.
The heat-insulated surface layer of this coating composite material includes 4 layers of structure, and the heat-insulating technique of many body system of such a solid makes
Entire coating composite material there is high heat insulation, to the direct reflectivity of sunlight up to 70%, and be formulated with surface layer
The increasing of material (infrared insulation agent, aluminium powder, hollow glass micropearl and infrared external reflection insulation agent) deal with heat-proof quality,
Its heat insulation and the direct reflectivity of sunlight is all increased.In the case where aluminium powder is not added in the formula of PVC high reflection layer,
The direct reflectivity of the sunlight of coating material is declined, but possesses good heat insulation, sees comparative example 5.In most table
In flushing external reflectance heat-insulation transparent layer formula, in the case where infrared external reflection insulation agent is not added, the heat-proof quality of coating material is
Decline, this is because the near-infrared for accounting for 50% or more origin of heat in light is not anti-by infrared external reflection heat-insulation transparent layer well
It penetrates, so heat-proof quality reduces, sees comparative example 6, this also illustrates that the most surface infrared external reflection of coating material of the present invention is heat-insulated
Bright layer has good infrared external reflection characteristic, is the key that coating material heat-proof quality.Wolframic acid caesium and gold in flame-proof PVC thermal insulation layer
The infrared insulation agent for belonging to oxide pigments and fillers composition also functions to important function to the heat-proof quality of entire composite material, if composite wood
The infrared insulation agent is free of in material, then its heat-proof quality is decreased obviously, and sees comparative example 4.In addition, if not contained in infrared insulation agent
Wolframic acid caesium composition, then the heat-proof quality of composite material is not good enough yet, sees comparative example 9.Precoated shet membrane material profile pattern is anti-to PVC high
It penetrates the coating quality of layer and infrared external reflection heat-insulation transparent layer and has large effect to the reflecting properties of light, if without smooth
Property processing, obtained composite material surface homogeneity is not good enough, influences to see comparative example 10 to the direct reflectivity of sunlight.
From table one it can also be seen that fire retardant, fire retarding synergist and compatible in the PVC coating of coating composite material of the present invention
It is obvious that with the increase for being formulated fire retardant composition, the flame retardant property of coating composite material increases the synergistic effect of modifying agent, sees
Embodiment 1,2,4;Zinc borate and zinc hydroxyl stannate are as fire retarding synergist, and in the case where being not added, coating composite material is fire-retardant
Performance decreases, and sees embodiment 1 and comparative example 2,3.If zinc borate and zinc hydroxyl stannate, which are changed to, also has flame-retarding characteristic
Magnesium hydroxide, so that the flame retardant property of composite material declines, is shown in embodiment 1 and comparative example 8 then since synergistic effect weakens.Resistance
Combustion PVC thermal insulation layer is the main imparting layer of entire coating composite material high flame resistance, if the layer does not contain fire-retardant composition, entirely
The flame retardant property of composite material will substantially reduce, and see comparative example 7.
It is skilled to this field although present invention has been described in detail and some specific embodiments have been cited
For technical staff, as long as it is obvious for can making various changes or correct without departing from the spirit and scope of the present invention.
Claims (16)
1. a kind of coating composite material characterized by comprising dacron fabric substrate layer, the substrate layer two sides difference
It from inside to outside include flame-proof PVC priming coat, flame-proof PVC thermal insulation layer, the coating surface layer for coating surface layer and backing layer, the backing layer
It from inside to outside include flame-proof PVC priming coat, flame-proof PVC thermal insulation layer, PVC high reflection layer, infrared external reflection heat-insulation transparent layer.
2. a kind of coating composite material according to claim 1, which is characterized in that the flame-proof PVC priming coat, by weight
Number meter, including following component: PVC paste resin: 90-110 parts, liquid calcium zinc complex stabilizer: 3-6 parts, plasticizer: 20-45
Part, flame-retardant plasticizer: 20-40 parts, 8-15 parts of fire retardant, 5-10 parts of compatible modifier, binder: 5-10 parts, crosslinking agent 1-2,
Cross-linking aid 5-10, visbreaking agent: 4-13 part.
3. a kind of coating composite material according to claim 2, which is characterized in that the binder includes poly- isocyanuric acid
Ester;The crosslinking agent includes dual-tert-butyl cumyl peroxide;The cross-linking aid includes trimethylolpropane tris
Methacrylate.
4. a kind of coating composite material according to claim 1, which is characterized in that the flame-proof PVC thermal insulation layer, by weight
Number meter, including following component: PVC paste resin: 80-90 parts, PVC blending resin: 10-20 parts, liquid calcium zinc complex stabilizer:
3-6 parts, plasticizer: 20-45 parts, flame-retardant plasticizer: 20-40 parts, 15-27 parts of fire retardant, 10-15 parts of titanium dioxide, it is infrared heat-insulated
5-10 parts of agent, 8-12 parts of compatible modifier, visbreaking agent: 8-15 parts, auxiliary agent 0.6-1 parts other.
5. a kind of coating composite material according to claim 4, which is characterized in that the infrared insulation agent includes mass ratio
The wolframic acid caesium of 0.5-1.5:1 and the mixture of metal oxide pigments and fillers, the metal oxide pigments and fillers include nanoscale
Fe2O3、MnO2、Co2O3、CuO、Cr2O3One or more of.
6. a kind of coating composite material according to claim 1, which is characterized in that the PVC high reflection layer, by weight
Number meter, including following component: PVC paste resin: 90-110 parts, liquid calcium zinc complex stabilizer: 3-6 parts, plasticizer: 20-45 parts,
Flame-retardant plasticizer: 20-40 parts, aluminium powder: 6-10 parts, 1-2.5 parts of hollow glass micropearl, 0.5-1 parts of wetting agent, compatible modifier 5-
10 parts, visbreaking agent: 5-12 parts, auxiliary agent 0.6-1 parts other.
7. a kind of coating composite material according to claim 1, which is characterized in that the infrared external reflection heat-insulation transparent layer,
According to parts by weight, including following component: acrylic acid modified alkyd resin solution: 90-110 parts, 20-35 parts of compatible modifier,
Infrared external reflection insulation agent: 4-8 parts, butyl acetate: 20-40 parts, dispersing agent: 1-2 parts, 1-2 parts of levelling agent, other auxiliary agent 0.6-1
Part.
8. a kind of coating composite material according to claim 7, which is characterized in that the infrared external reflection insulation agent includes matter
The mixture of nanoscale antimony-doped tin oxide of the amount than 0.5-1.5:1, nanoscale tin-doped indium oxide.
9. coating composite material according to claim 2 or 4, which is characterized in that the fire retardant includes that mass ratio is 1:
1:(0.7-1): the decabromodiphenylethane of (0.4-0.7), antimony oxide, zinc borate, zinc hydroxyl stannate mixture.
10. according to coating composite material described in claim 2 or 4 or 6, which is characterized in that the plasticizer includes to benzene two
One of formic acid dioctyl ester plasticizer, adipic acid ester plasticizer, citric acid ester plasticizer are a variety of;The fire-retardant plasticising
Agent includes triphenyl phosphate, tricresyl phosphate, phosphate toluene diphenyl ester, diphenyl phosphate 2- monooctyl ester, tricresyl phosphate (2- octyl)
One of ester or a variety of mixtures;The visbreaking agent includes 2,2,4- trimethyl -1,3- pentanediol diisobutyrate.
11. according to coating composite material described in claim 2 or 4 or 6 or 7, which is characterized in that the compatible modifier includes
Vinyl chloride-vinyl acetate copolymer resin.
12. a kind of preparation method of coating composite material as described in claim 1, which comprises the steps of:
S1: it chooses plain weave structure dacron fabric and substrate layer is made;
S2: weighing flame-proof PVC priming coat and flame-proof PVC thermal insulation layer raw material, is respectively prepared paste material, then by flame-proof PVC priming coat
Paste material is coated on substrate layer two sides, and then flame-proof PVC thermal insulation layer paste material is coated on flame-proof PVC priming coat, dries shape
At PVC precoated shet membrane material, PVC precoated shet membrane material is finally subjected to profile pattern processing;
S3: weighing PVC high reflection layer raw material and paste material be made, and PVC high reflection layer paste material is coated on smooth treated PVC
Precoated shet membrane material side, preplasticizing drying;
S4: weighing infrared external reflection heat-insulation transparent layer raw material and coating agent be made, and coating agent is coated on PVC high reflection layer, high temperature
Plasticizing forming obtains coating composite material.
13. a kind of preparation method of shading fabric according to claim 12, which is characterized in that flame-proof PVC bottom described in S2
The coating of coating paste material is by the way of dipping and rubber tire padding machine roll compacting, under tension traction, by flame-proof PVC priming coat paste material
It is evenly applied to the both side surface of substrate layer, then preplasticizing is dried, and padding pressure is 0.5-0.8MPa, face tension 800-
1000N, speed 3-5m/min, drying temperature are 130-150 DEG C.
14. a kind of preparation method of shading fabric according to claim 12, which is characterized in that flame-proof PVC described in S2 every
The coating of thermosphere paste material is carried out using magnetic force coating machine, and flame-proof PVC thermal insulation layer paste material is coated in the bottom PVC by frosted magnetic roller
On coating paste material, then preplasticizing is dried, and magnetic roller magnetic force is 60-80%, face tension 800-1200N, drying temperature 130-
150 DEG C, speed 5-7m/min.
15. a kind of preparation method of shading fabric according to claim 12, which is characterized in that PVC high reflection described in S3
The method that layer paste material coating carries out the coating of cylinder single side using vertical roll coating apparatus, PVC high reflection layer paste material list face is applied
It is layed onto smooth treated PVC precoated shet membrane material side, then preplasticizing drying, cylinder mesh is 40-80 mesh, face tension 900-
1500N, 130-150 DEG C of drying temperature, speed 7-9m/min.
16. a kind of preparation method of shading fabric according to claim 12, which is characterized in that infrared external reflection described in S4 every
The method that hot hyaline layer coating agent carries out the coating of cylinder single side using vertical roll coating apparatus, by infrared external reflection heat-insulation transparent layer coating
Agent single side is coated on PVC high reflection layer, then high temperature plasticizing forming, and cylinder mesh is 40-80 mesh, face tension 1000-
1800N, 170-190 DEG C of plasticizing forming temperature, plasticizing forming time 4-6min, speed 5-7m/min.
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