CN1313673C - Regression reflective fabric and its production method - Google Patents
Regression reflective fabric and its production method Download PDFInfo
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- CN1313673C CN1313673C CNB2004100006536A CN200410000653A CN1313673C CN 1313673 C CN1313673 C CN 1313673C CN B2004100006536 A CNB2004100006536 A CN B2004100006536A CN 200410000653 A CN200410000653 A CN 200410000653A CN 1313673 C CN1313673 C CN 1313673C
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Abstract
The present invention discloses a regression reflective fabric which orderly comprises a light reflecting element layer, a metal reflecting layer, an adhesive layer and a base material, wherein the light reflecting element layer is formed by the dense distribution and arrangement of glass microspheres for 70 to 130g of each square meter. The present invention also discloses the production method of the regression reflective fabric. The regression reflective fabric has good light reflection, the coefficient of regression reflection is from 70 to 700 cd/Lx/m<2> so that the regression reflective fabric can be widely applied to work clothes of workers in the nighttime or dark, such as traffic polices, navigators, trackmen, sanitary workers, etc., and can also be used for common civil dress to bring safety to people walking and moving in the nighttime, and therefore, when encountering danger, people can take measures in time so as to reduce accidents.
Description
Technical field
What the present invention relates to is a kind of reflective fabric and production method thereof, especially relates to a kind of fabric and production method thereof of tool retroreflecting function.
Background technology
The retroreflecting fabric has the specific function of incident light along incident direction reflected back light source place, it is very eye-catching when have light source night, make night trip, movable personnel carry this material and have security, so the retroreflecting fabric is widely used on the Work Clothes of the staff in night or the dark, the observer can find target a long way off, in time take measures, reduce accident.
The retroreflecting material that is widely used in early days is the form that microballon is imbedded, initial is described in the U.S. Patent No. 2407680, this material comprises a transparent polyester layer, one imbeds the microballon of monolayer alignment wherein, with a special reflecting layer on the polyester layer surface, incident light can be finished maximum reflection on this material, the distance between microballon and the special reflecting layer is controlled in a certain position, so that light can focus on the microballon.Conventional method is to apply the special reflecting layer, applies microballon again in the polyester layer that can control the space is arranged.
The problem of this conventional painting method is that coating is usually under appropriate thickness, have only a small size just at the back side of monomer microballon, coating material always is tending towards the space between the microballon, has enlarged these regional thickness and spaces, cause the special reflecting layer to depart from the focus of microballon, influence intensity of light reflection.When the light vertical irradiation on reflectorized material, by the suitable focus reflection of monomer microballon, can produce bright reverberation, but be radiated on the thin slice when light is non-perpendicular, by the focus reflection before the special reflecting layer, the angle of retroreflecting just is reduced.
Although recognize the limitation of conventional flush type retroreflecting material, effectively not improve one's methods, flush type retroreflecting material has been employed many years.The production method of U.S. Patent No. 4367920 described retroreflecting materials has improved common process, the process of making comprises that the individual layer microballon of imbedding changes half of microballon average diameter in polyester layer, the basic skills of this manufacturing comprises prefabricated procedure of processing, and extruding forms the first transparent polyester layer; Imbed the monolayer alignment microballon makes microballon under hot pressing condition the degree of depth and reach half of mean radius; Extruding forms the second transparent polyester layer and covers microballon and ground floor surface again; At the outstanding surface-coated special reflecting layer of the second layer.U.S. Patent No. 3795435 mentions that the microballon that is embedded in adhesive layer exposes 40% of its diameter, applies the second layer again.U.S. Patent No. 4023889 is mentioned the degree of depth of microballon again, and shown in the figure of this patent, the length of embedment of microballon is 50% of its average diameter.
Metal is adopted in reflecting layer in the retroreflecting material known to general more, the reflecting layer of metal is easily oxidized in air, and described in the U.S. Patent No. 6172810, the reflecting layer is made up of multilayer, metal level is applied to wherein, can prolong the life-span of reflectorized material so greatly.But the problem of this preparation method is a complex procedures, and the high polymer classes of compounds of employing is various, is difficult for grasping.
From since the reflectorized material described in the United States Patent (USP), the technology of its product is being updated.Since 1978, the patent documentation of relevant reflective fabric is disclosed tens pieces, does not describe in detail one by one at this, only just representative and analyze with closely-related manufacture craft of the present invention and product.
The reflectorized material on the surface that can be used for textiles or smooth object of the tool reflective function of mentioning in the U.S. Patent No. 4102562, described product makes through multiple working procedure, wherein the removal of supporting layer is carried out after on being implemented into base material again, the process implementing of reflectorized material described in this patent by hot pressing is to base material, it is 1.92 that the described product of embodiment in the patent adopts refractive index, and diameter is 70～100 microns a glass microballoon.Described product makes through multiple working procedure, and product is the transferable sheet material with reflection function, can be used for the surface of textiles or smooth object, during application with the process implementing of reflectorized material by hot pressing to base material.
A kind of regional reflective fabric described in the U.S. Patent No. 4103060, its products characteristics be the regional reflective function of tool, soft, taking good.The microballon density of described product is 2000/cm
2, increase than the microballon density of product in the past.
Described in the U.S. Patent No. 5916399, one is the reflective transfer sheet of base material with the textiles, patent is described to be implanted glass microballoon in the supporting layer, the slurry that will contain colouring agent again is printed on the surface of microballon, the printed layers of the color that multilayer is different forms secondary colour, and the color of product is the color of final printed layers.Adopt the technology of printing or spraying in its product at the pulp layer of bead surface, its product is the color reflective material more, and intensity of light reflection is too late far away with the reflectorized material of metal level as the reflecting layer.
Described in the U.S. Patent No. 6355302, the continuous manufacturing process of a high-performance reflective fabric is saved " supporting layer " of open description in the described method.Described method is to make continuously, and ground floor applies adhesive coating on textiles; The second layer is applied on the adhesive coating by vacuum aluminum-coated microballon; The 3rd layer is removed and is exposed at airborne aluminium lamination, this technical matters relative complex, and the retro-reflecting coefficient of the reflective fabric that makes is at 100cd/lx/m
2More than.
For improving the serviceability of reflective fabric, as industrial washing resistance, utilizing the transfer microballon to produce in the process of reflectorized material, application response type adhesive is as the adhesive layer between anti-outstanding element and the base material.Adhesive such as reflectorized material described in U.S. Patent No. 5976669, the No.6416856 mostly is reacted product, and reflectorized material described in the patent comprises that adhesive phase and is embedded into the reflecting element in adhesive phase at least in part; Wherein, adhesive is made up of polyurethane, and it is 2000 the multi-hydroxy polyether and the product of polyurethane for mean molecule quantity.As described in patent, the product adhesive is placed in coating that a few minutes enter baking oven again in the environment temperature in the process of producing, and washing resistance just can be realized after 6 weeks after finishing production at least.
A kind of reflective cloth described in the Chinese invention patent Granted publication CN2287084Y; on base cloth, apply one deck high polymer plastic sheeting; plate one deck aluminium titanium alloy reflective layer then; on reflector layer, evenly be coated with one deck polymethyl methacrylate glue; the implantation granularity that distributes on glued membrane is that 400 purpose glass microballoons form the reflecting layer, is covered with outer field protection bottom paper after the oven dry.Glass microballoon lining in the described reflective cloth has certain influence to reflecting effect in skin.The production method of a kind of oriented reflection cloth described in the Chinese invention patent mandate publication number CN1036609C, described method applies watertight composition earlier on the base cloth surface, applies specular layer outside watertight composition, last surface-coated reflecting layer at specular layer.Be coated with the serviceability such as washable, wear-resisting of the method affect product of watertight composition earlier, in addition the retro-reflecting coefficient of not mentioned reflective cloth.
A kind of retroreflecting is coated with layer manufacturing method thereof and gained coating described in the Chinese patent mandate publication number CN1281012A, refractive index N is about 1.9 glass microballoon uses wherein, the retro-reflecting coefficient that adopts the transfer method process route process gained recurrence coating product on body surface only is 100～180cd/lx/m
2, being suitable for making enlarged character and/or pattern and so on regression reflecting sign, the employed transfer substrate of this patent is a pressure sensitive membrane, adopts the coating composition that contains different pigment as coating simultaneously, to adhere to glass microballoon; But the retro-reflecting coefficient (100～180cd/lx/m of this product at present
2) can not satisfy the instructions for use of the high brightness of present reflective fabric gradually, and product can not change and irons on the clothes.
Summary of the invention
The object of the present invention is to provide a kind of retroreflecting fabric with good reflective function.
Another object of the present invention is to provide a kind of retroreflecting manufacturing method of fabrics, it has adopted the production technology of transfer method, and this technology is simple, easy to operate, and the large-scale continuous production of energy is suitable for suitability for industrialized production.
In order to realize purpose of the present invention, a kind of retroreflecting fabric of the present invention, comprise a reflecting element layer, a metallic reflector, an adhesive phase and a base material successively, described reflecting element layer is formed by every square metre of glass microballoon dense distribution arrangement that contains 70～130 grams.
Described reflecting element layer is arranged by the glass microballoon dense distribution and is formed, and glass microballoon partly is coated in the metallic reflector, and it is bonding by adhesive phase and base material that glass microballoon is coated with the one side of metallic reflector.
1/5～4/5 diameter parts is exposed to the metallic reflection laminar surface in the described glass microballoon; Wherein be preferably in the described glass microballoon greater than 1/2, be exposed to the metallic reflection laminar surface smaller or equal to 4/5 diameter parts, and greater than 1/2, reflective function be better when being exposed to the metallic reflection laminar surface less than 2/3 diameter parts.
Described glass microballoon is that refractive index is 1.90～1.93, and diameter is 30～100 microns a clear glass microballon.
But materials such as described metallic reflector aluminium, silver, aluminum titanium alloy or dielectric medium, described dielectric medium material is mica titanium or titanium dioxide etc., can adopt vacuum plating or vapour deposition method to be overlying on the reflecting element layer, described metallic reflector controllable thickness is made as 0.03 μ m～0.15 μ m, is preferably 0.06 μ m～0.09 μ m.
Adhesive phase of the present invention is for reflecting element layer, metallic reflector and the base material of boning.The adhesive that adhesive phase adopted can be polymer adhesive, is preferably in polyurethane, polyester, polyepoxides, acrylate, rubber latex or the polyvinyl chloride adhesive one or both; Described acrylate is methyl acrylate, ethyl acrylate or propyl acrylate.
Bonding sharp layer of the present invention is to adopt described binder solution is coated on reflecting element surface and formation with those skilled in the art's common method, adhesive phase is the coating of a transparent flexible soft, characteristics transparent, soft, that caking property is good that this adhesive phase has.
Described base material can adopt apparel textile commonly used, and being preferably with a kind of in cotton textiles, polyester-cotton blend, polyester pongee, Nylon Taffeta and polyurethane or the polyvinyl chloride leather is the textiles of main raw material.
Retroreflecting fabric of the present invention as usual used in the rainy day in order to make, more wash resistant and waterproof, can be with the retroreflecting fabric through WATER REPELLENT TREATMENT, to improve water resistance.
Described method for waterproofing is: after the retroreflecting fabric of gained is padded in the solution that contains 2～10% (wt%) waterproofing agent, dry and form; The waterproofing agent that described waterproofing agent can adopt those skilled in the art to use always is such as Organic fluoride system or silicon-type waterproofing agent.
Like this, the retroreflecting fabric of gained is for padding the retroreflecting fabric of processing with the solution that contains 2～10% (wt%) Organic fluoride system or silicon-type waterproofing agent.
The retro-reflecting coefficient of the retroreflecting fabric of gained of the present invention can be controlled in 70～700cd/Lx/m
2Scope within, the retro-reflecting coefficient of the retroreflecting fabric of function admirable can reach 200～700cd/Lx/m
2(test condition is: viewing angle is 0.2 degree, and incident angle is-4 degree)
The technical conceive of the disclosed reflection fabric of prior art is: make microballon place adhesive phase or protective layer as reflecting element with the form of imbedding, place the adhesive phase of microballon rear surface or rear surface with metal or aluminum titanium alloy as reflector layer; And that the reflecting element glass microballoon among the present invention is that part is exposed to is outer, so the exposing the reflecting element goods better pliability, better retro-reflecting coefficient (reflex reflection brightness) and better washability can be provided of product of the present invention.
Retroreflecting fabric of the present invention is because unique layer structure, make it to have the retroreflecting function, just shine the light of retroreflecting fabric front surface, can be reflected by metallic reflector by the reflecting element glass microballoon, turn back then by the reflecting element glass microballoon, thereby return along light source direction, have under the situation of light source just very eye-catchingly like this at night, can be widely used in a lot of industries, bring convenient and safety to work.
In order to realize another purpose of the present invention, a kind of retroreflecting manufacturing method of fabrics of the present invention may further comprise the steps: cover metal material at the glass microballoon surface portion, form a metallic reflector; Compound by adhesive phase and base material then, will under 110～130 ℃, implant the transfer substrate of glass microballoon at last and peel off, thereby form retroreflecting fabric finished product.
The retroreflecting fabric of gained comprises a reflecting element layer, a metallic reflector, an adhesive phase and a base material successively.
Specifically, the layer of metal reflecting layer is covered on the glass microballoon surface, and described metallic reflector is to adopt vacuum plating or vapour deposition method that metal material is overlying on glass microballoon surface and formation, is good with the vacuum plating, the general vacuum evaporation equipment that adopts, it is those skilled in the art's known technology.
But materials such as described metal material aluminium, silver, aluminum titanium alloy or dielectric medium, described dielectric medium material is mica titanium or titanium dioxide etc., the thickness of metallic reflector is 0.03 μ m～0.15 μ m, is preferably 0.06 μ m～0.09 μ m.
For obtaining the reflex reflection effect, glass microballoon must see through the light that irradiation comes, so the glass microballoon surface need partly be covered with metallic reflector, this just requires glass microballoon is handled earlier, to guarantee that glass microballoon partly is covered with metallic reflector, the present invention adopts glass microballoon to implant the method for transfer substrate.
Adopt implantation of the present invention, can make the part of glass microballoon diameter about 1/5～4/5 implant transfer substrate.
Of the present invention being implanted as covers or Electrostatic Absorption or spread any one mode in the pearl method.
In general, can adopt above three kinds of modes to implant glass microballoon: the first utilizes high-tension electricity to produce highfield, makes glass microballoon charged and be adsorbed in electrostatic method on the fabric; It two is that glass microballoon is evenly planted the pearl method of spreading that is sprinkling upon on the fabric; It three is with the cover method of fabric by the glass microballoon groove.Can individual layer intensive arranged evenly on transfer substrate of these three kinds of modes that adopt, the glass microballoon of implantation, the density that guarantees glass microballoon is greater than 2000/cm
2, like this, on transfer substrate, just form the single-layer reflecting element layer.
Transfer substrate of the present invention requires get final product for the hot melt high polymer thin layer with certain intensity, can make glass microballoon can arrange on it and embedding wherein, purpose has been the effect of support fixation glass microballoon.
Described transfer substrate generally can be selected plastic sheeting or laminated film paper for use, and thickness can guarantee to get final product in about 1/5～4/5 implantation transfer substrate of glass microballoon diameter.
Described glass microballoon is that refractive index is 1.90～1.93, and diameter is 30～100 microns a transparent glass microballoon.
Metallic reflection this moment layer segment overlays on the glass microballoon, forms retroreflection sheet in retroreflecting fabric of the present invention, and plating reflecting layer part is promptly controlled the surface area of metallic reflector on each glass microballoon.The next light of irradiation can pass through glass microballoon like this, is reflected by metallic reflector, turns back by glass microballoon then, thereby returns along light source direction.
Be applied to the solution cladding process described in the present invention, adopt dry coating equipment well known in the art to get final product, apply number of times can be once, twice or repeatedly, can whether economical, convenient from processing, whether bonding force can satisfy performance requirement is taken all factors into consideration.
Adhesive in the used binder solution of the present invention is one or both in polyurethane, polyester, polyepoxides, acrylate, rubber latex or the polyvinyl chloride adhesive; Described acrylate is methyl acrylate, ethyl acrylate or propyl acrylate; Used solvent can be selected according to the characteristic of different adhesives, is technology as well known to those skilled in the art, generally can be dimethyl formamide (DMF), toluene (TOL), butanone (MEK), ethyl acetate (Ace) or H
2One or more mixing among the O etc.; Wherein solution concentration can be 20～50% percetages by weight.
The present invention uses the solution of one or both adhesives in polyurethane, polyester, polyepoxides, acrylate, rubber latex or the polyvinyl chloride adhesive that contains 20～50% percetages by weight to form described adhesive phase in the reflecting element laminar surface coating that is covered with metallic reflector.
After forming adhesive phase, again that itself and described base material is compound under the pressure of 0.3～0.5MPa, and 90～110 ℃ of oven dry down.
Described base material can adopt apparel textile commonly used, and being preferably with a kind of in cotton textiles, polyester-cotton blend, polyester pongee, Nylon Taffeta and polyurethane or the polyvinyl chloride leather is the textiles of main raw material.
After compound, formed composite article, but, also transfer substrate wherein need have been peeled off in order to make final fabric have the characteristic of retroreflecting, describedly peel off available stripping machine at room temperature or carrying out below 80 ℃, used stripping machine is this area common equipment.
When removing the transfer substrate layer, glass microballoon is embedded in the base material, and it is followed successively by exposed glass microballoon, metallic reflector, adhesive phase and base material, forms retroreflecting fabric of the present invention.
For obtained performance better, the not only retroreflecting fabric of wash resistant but also waterproof, a kind of retroreflecting fabric of the present invention also need pass through one procedure, promptly peel off transfer vector after, the retroreflecting fabric of gained pads processing through waterproof.
Specifically, after the retroreflecting fabric of gained flooded in waterproof solution, roll with padding machine and to remove 30% liquid, and dry under 100～110 ℃, 150～170 ℃ baked 1～3 minute, formed the retroreflecting fabric of handling through waterproofing agent.
Described waterproof solution is the aqueous solution that contains waterproofing agent, and concentration is 2～10% percetages by weight, and described waterproofing agent is a textile field waterproofing agent commonly used, as Organic fluoride system or silicon-type etc.
The present invention utilizes continuous processing can produce described reflective fabric in a large number.In continuous manufacturing process, the transfer substrate that has reflecting element can be placed vacuum aluminum-plating equipment, make the protuberate of microballon body be covered with metallic reflector; Again adhesive phase is coated in continuously the ledge of reflecting element, to realize the compound of textiles.Remove carrier layer then, the reflection fabric face shows the color of reflective metallic.
The present invention adopts the preparation technology of transfer method, and the retroreflecting fabric that makes comprises the reflecting element that is partially embedded in the bonding resin layer and gives prominence to from the adhesive layer front surface.A kind of retroreflecting fabric of the present invention has good pliability, high retro-reflecting coefficient (reflex reflection brightness) and good washability, its concrete advantage is: 1. because the reflecting element glass microballoon is the outer characteristic that is exposed to of part, and glass microballoon is in intensive arranged evenly of individual layer, every square metre of reflecting element layer contains 70～130 gram reflecting element glass microballoons, the glass microballoon radius is little, and evenly, flexibility is good, make the retroreflecting fabric have highlighted, high reflective function, obtain good retro-reflecting coefficient, retro-reflecting coefficient can be greater than 600cd/Lx/m
22 because adhesive phase has selected to contain the adhesive of functional group, make the retroreflecting fabric have good washing resistance, wear-resisting wiping and lower temperature resistance, soft and flexible, this feature causes reflective fabric to be washed or when folding, can not ftracture, and reflecting element almost all firmly is retained in the adhesive phase in dress and the washing process, by still keeping the big percentage of original brightness after the washing that repeats; 3 usefulness waterproofing agents have carried out WATER REPELLENT TREATMENT, make the retroreflecting fabric have excellent waterproofness, are suitable for using in the rainy day, do not influence reflecting effect.
And a kind of retroreflecting manufacturing method of fabrics of the present invention, owing to adopted the transfer method process route, the exposed degree of control glass microballoon, middle and high, the bright level of extra-high-speed that the intensity of light reflection of its product can reach can be produced retro-reflecting coefficient 70～700cd/Lx/m
2The product of retro-reflecting coefficient both can have been produced the product of less retro-reflecting coefficient, can produce up to 700cd/Lx/m again
2The reflection fabric product of retro-reflecting coefficient; Simultaneously it has simple, the characteristics that can large-scale continuous production of production technology; And adopted this transfer method production technology, improve the taking of the reflective fabric of traditional handicraft, and prolonged its service life.
Retroreflecting fabric provided by the invention can be widely used on the Work Clothes of the staff in night or the dark, as traffic police, navigation, worker who maintains a road, sanitation worker etc., also can be used for the normal domestic dress and personal adornment, bring safety for night trip, movable personnel, facing a danger to make people in time take measures, and reduces accident.
The specific embodiment
Following embodiment further describes the present invention, but described embodiment only is used to illustrate the present invention rather than restriction the present invention.The test condition of retroreflecting fabric retro-reflecting coefficient of the present invention is: viewing angle is 0.2 degree, and incident angle is-4 degree.
Embodiment 1
Be 1.90 with refractive index under 120 ℃, diameter is 70 microns a glass microballoon, by the method for covering the glass microballoon of about 45% diameter parts is covered in the polyethylene film transfer substrate surface, and reaches every square metre of film surface and contain 100 gram glass microballoons;
In the protuberate of glass microballoon, adopt vacuum aluminum-plating equipment then, vacuum metallization aluminium forms metallic reflector, and thickness is 0.06 μ m;
Be toluene with solvent again, the polyurethane solutions that contains 20% percetage by weight is coated on the metallic reflector, adopts dry coating, forms adhesive phase;
On compounding machine, use the compound polyester-cotton blend base material of 0.3MPa pressure subsequently,, at the uniform velocity peel off transfer substrate at normal temperatures with stripping machine at last, promptly get the retroreflecting fabric 100 ℃ of oven dry down.
The retroreflecting fabric of present embodiment comprises that reflecting element layer, a glass microballoon diameter about 55% that contains glass microballoon is coated on a metallic aluminium reflecting layer, an adhesive phase and a polyester-cotton blend base material, contain 100 gram glass microballoons in every square metre of fabric, it is bonding by adhesive phase and polyester-cotton blend base material that the reflecting element layer is coated with the one side of metallic reflector, and the retroreflecting fabric retro-reflecting coefficient that makes with this transfer method is about 200cd/Lx/m
2About.
Embodiment 2
Be 1.91 with refractive index under 130 ℃, diameter is 65 microns a glass microballoon, by the waterfall method that falls the glass microballoon of 52% diameter parts is covered in the polypropylene film transfer substrate surface, and reaches every square metre of film surface and contain 120 gram glass microballoons;
Naturally after the cooling, in the protuberate of glass microballoon, adopt vacuum aluminum-plating equipment, vacuum metallization aluminium forms metallic reflector, and thickness is 0.09 μ m;
Water is a solvent then, the self-cross linking type methyl acrylate solution that contains 35% percetage by weight is coated on the metallic reflector, adopt dry coating, on compounding machine, use the compound Nylon Taffeta base material of 0.4MPa pressure again, 100 ℃ of oven dry down, at room temperature at the uniform velocity peel off with stripping machine, remove transfer substrate, get the retroreflecting fabric;
In order to make it have water-proof function, the retroreflecting fabric of gained is being solvent with water, contains in the waterproof solution of organofluorine compound of 2% percetage by weight to pad, roll 30% liquid with padding machine again, and under 110 ℃, dry 3min, 150 ℃ baked 3 minutes, and promptly got the retroreflecting fabric.
The retroreflecting fabric of present embodiment comprises that reflecting element layer, a glass microballoon diameter about 48% that contains glass microballoon is coated on a metallic aluminium reflecting layer, an adhesive phase and a compound Nylon Taffeta base material, contain 120 gram glass microballoons in every square metre of fabric, it is bonding by adhesive phase and compound Nylon Taffeta base material that the reflecting element layer is coated with the one side of metallic reflector, the about 400cd/Lx/m of retroreflecting fabric retro-reflecting coefficient that makes with this transfer method
2About, adopt GB/D 8629-2001 equivalence washing methods can wash more than 10 times.
Embodiment 3
Be 1.90 with refractive index under 110 ℃, diameter is 90 microns a glass microballoon, by the Electrostatic Absorption method glass microballoon of 30% diameter parts is covered on polyethylene composite sheet surface, and reaches every square metre of film surface and contain 110 gram glass microballoons;
Then, in the protuberate of glass microballoon, vacuum evaporation equipment, vacuum metallization aluminium titanium forms metallic reflector, and thickness is 0.03 μ m;
Water is a solvent then, and the robber cement emulsion of 25% percetage by weight is coated on the metallic reflector; On this basis, be solvent in order to toluene and butanone again, the polyester liquid of 18% weight, hundred numbers applies, on compounding machine, use 0.35MPa pressure composite polyurethane base material subsequently, 110 ℃ of oven dry down, peel off under 80 ℃ with stripping machine, remove transfer substrate, promptly get the retroreflecting fabric, the retroreflecting fabric retro-reflecting coefficient that makes with this transfer method is 150cd/Lx/m
2About.
Embodiment 4
Be 1.93 with refractive index under 115 ℃, diameter is 40 microns a glass microballoon, by the Electrostatic Absorption method glass microballoon of 4/5 diameter parts is covered at polyethylene surface, and reaches every square metre of film surface and contain 70 gram glass microballoons;
Naturally after cooling off, in the protuberate of glass microballoon, vacuum evaporation equipment, vacuum metallization aluminium forms metallic reflector, and thickness is 0.1 μ m;
Water is a solvent then, and the polyurethane solutions that contains 35% percetage by weight adopts dry coating to be coated on the metallic reflector; On this basis, water is a solvent again, and the self-cross linking type ethyl acrylate solution that contains 20% percetage by weight applies, and uses the compound textile base material of 0.3MPa pressure subsequently on compounding machine, dry 8min down at 90 ℃, at the uniform velocity peel off transfer substrate at normal temperatures with stripping machine at last;
With water solvent with fabric at last, contain in the waterproof solution of organo-silicon compound of 5% percetage by weight and pad, roll 30% liquid with padding machine again, and under 110 ℃, dry 3min, 160 ℃ baked 2 minutes, promptly get the retroreflecting fabric, the retroreflecting fabric retro-reflecting coefficient that makes with this transfer method is 600cd/Lx/m
2About, adopt GB/D 8629-2001 equivalence washing methods can wash more than 10 times.
Embodiment 5
With embodiment 1, different is, and metallic reflector adopts is the dielectric medium titanium dioxide, reflecting element is that refractive index is 1.92, diameter is 100 microns a glass microballoon, the glass microballoon density degree is every square metre and contains 95 grams, about 1/5 diameter parts of glass microballoon is exposed to the metallic reflection laminar surface, and the retroreflecting fabric retro-reflecting coefficient of gained is 100cd/Lx/m
2About.
Embodiment 6
With embodiment 2, different is that the transfer substrate that adopts is the plastic-coated composite sheet, reflecting element is that refractive index is 1.93, diameter is 30 microns a glass microballoon, the glass microballoon density degree is every square metre and contains 130 grams, about 65% diameter parts is exposed to the metallic aluminium reflecting layer in the glass microballoon, and the retroreflecting fabric retro-reflecting coefficient of gained is 700cd/Lx/m
2About.
More than given embodiment be in order to further specify the specific embodiments of the invention scheme, feature of the present invention, advantage and other details are not to be used for limiting protection scope of the present invention; Any variation of being done in the present invention's design all should be among scope of the present invention.
Claims (21)
1, a kind of retroreflecting fabric is characterized in that, the retro-reflecting coefficient of described fabric is 70～700cd/Lx/m
2, comprise a reflecting element layer, a metallic reflector, an adhesive phase and a base material successively; Described reflecting element layer is formed by every square metre of glass microballoon dense distribution arrangement that contains 70～130 grams, and 1/5～4/5 diameter parts is exposed to the metallic reflection laminar surface in the described glass microballoon; Described glass microballoon is that refractive index is 1.90～1.93, and diameter is 30～100 microns a clear glass microballon; Described metallic reflector is aluminium, silver, aluminum titanium alloy or dielectric medium material; Described metallic reflection layer thickness is 0.03 μ m～0.15 μ m; The adhesive that described adhesive phase adopted is one or both in polyurethane, polyester, polyepoxides, acrylate, rubber latex and the polyvinyl chloride adhesive; Described base material is apparel textile commonly used.
2, fabric according to claim 1 is characterized in that, greater than 1/2, is exposed to the metallic reflection laminar surface smaller or equal to 4/5 diameter parts in the described glass microballoon.
3, fabric according to claim 2 is characterized in that, greater than 1/2, is exposed to the metallic reflection laminar surface less than 2/3 diameter parts in the described glass microballoon.
4, fabric according to claim 1 is characterized in that, described metallic reflection layer thickness is 0.06 μ m～0.09 μ m; Described dielectric medium material is mica titanium or titanium dioxide.
5, fabric according to claim 1 is characterized in that, described acrylate is methyl acrylate, ethyl acrylate or propyl acrylate.
6, fabric according to claim 1 is characterized in that, the main raw material of described textiles is a kind of in cotton textiles, polyester-cotton blend, polyester pongee, Nylon Taffeta, polyurethane or the polyvinyl chloride leather.
According to any described fabric in the claim 1～6, it is characterized in that 7, described retroreflecting fabric is through WATER REPELLENT TREATMENT.
8, fabric according to claim 7 is characterized in that, described WATER REPELLENT TREATMENT is after the retroreflecting fabric is padded in the solution that contains 2～10wt% waterproofing agent, to dry again; Described waterproofing agent is Organic fluoride system or silicon-type.
9, any described retroreflecting manufacturing method of fabrics of claim 1-6, it is characterized in that, said method comprising the steps of: under 110-130 ℃, with refractive index is 1.90～1.93, diameter is that 1/5～4/5 diameter parts of 30～100 microns glass microballoon is implanted, and forms the reflecting element layer; Naturally after the cooling, the exposed surface of glass microballoon is carried out the vacuum plating, make it cover metal material, form metallic reflector; Then adhesive is coated on the metallic reflector, adopts dry coating, form adhesive phase; Base material and adhesive phase pressurization is compound, and transfer substrate is removed in the oven dry back, is contained the retroreflecting fabric of reflecting element layer, metallic reflector, adhesive phase and base material successively.
10, production method according to claim 9 is characterized in that, described be implanted as cover, Electrostatic Absorption or spread the pearl method.
11, production method according to claim 9 is characterized in that, described transfer substrate is plastic sheeting or laminated film paper.
12, production method according to claim 11 is characterized in that, described transfer substrate is polyethylene film, polypropylene film or polyethylene composite sheet.
13, production method according to claim 9 is characterized in that, described metallic reflector is aluminium, silver, aluminum titanium alloy or dielectric medium material; Described metallic reflection layer thickness is 0.03 μ m～0.15 μ m.
14, production method according to claim 13 is characterized in that, described metallic reflection layer thickness is 0.06 μ m～0.09 μ m; Described dielectric medium material is mica titanium or titanium dioxide.
15, production method according to claim 9, it is characterized in that described adhesive phase is to use the solution of one or both adhesives in polyurethane, polyester, polyepoxides, acrylate, rubber latex and the polyvinyl chloride adhesive that contains 20～50% percetages by weight to apply and form at the reflecting element laminar surface that is covered with metallic reflector.
16, production method according to claim 15 is characterized in that, described acrylate is methyl acrylate, ethyl acrylate or propyl acrylate.
17, production method according to claim 9 is characterized in that, described base material is apparel textile commonly used, and the main raw material of textiles be a kind of during cotton textiles, polyester-cotton blend, polyester pongee, Nylon Taffeta, polyurethane or polyvinyl chloride are removed from office.
18, production method according to claim 9 is characterized in that, described composite pressure is 0.3～0.5MPa, and bake out temperature is 90～110 ℃.
19, production method according to claim 9 is characterized in that, the retroreflecting fabric that described method obtains also need carry out WATER REPELLENT TREATMENT.
20, production method according to claim 19, it is characterized in that, described WATER REPELLENT TREATMENT is after the retroreflecting fabric is padded in the solution that contains 2～10wt% waterproofing agent, roll and remove 30% liquid, and under 100～110 ℃, dry, under 150～170 ℃, baked 1～3 minute then.
21, production method according to claim 20 is characterized in that, described waterproofing agent is Organic fluoride system or silicon-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100006536A CN1313673C (en) | 2004-01-15 | 2004-01-15 | Regression reflective fabric and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100006536A CN1313673C (en) | 2004-01-15 | 2004-01-15 | Regression reflective fabric and its production method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1641099A CN1641099A (en) | 2005-07-20 |
| CN1313673C true CN1313673C (en) | 2007-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100006536A Expired - Fee Related CN1313673C (en) | 2004-01-15 | 2004-01-15 | Regression reflective fabric and its production method |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101380834B (en) * | 2007-12-18 | 2012-06-27 | 杭州星华反光材料有限公司 | High light color reflective cloth and preparation technique |
| CN102768138B (en) * | 2012-08-20 | 2015-09-02 | 浙江道明光学股份有限公司 | A kind of detection method of glass microballoon reflex reflection performance |
| CN102768139B (en) * | 2012-08-20 | 2015-04-29 | 浙江道明光学股份有限公司 | Method for detecting retroreflection performance of glass beads |
| CN103114447B (en) * | 2013-03-08 | 2014-11-19 | 东莞市悠派智能展示科技有限公司 | Environment-friendly PVC (Polyvinyl Chloride) coating reflective fabric |
| CN106032073A (en) * | 2015-03-13 | 2016-10-19 | 3M新设资产公司 | Retroreflective composite membrane directly used in leasing |
| CN111218824B (en) * | 2018-11-26 | 2023-08-11 | 洛阳尖端技术研究院 | Reflective fabric and preparation method thereof |
| CN110983765A (en) * | 2019-12-31 | 2020-04-10 | 上海赛夫工贸发展有限公司 | Environment-friendly reflective fabric and preparation method thereof |
| CN115404703A (en) * | 2022-09-16 | 2022-11-29 | 江苏意瑞达纺织科技有限公司 | Preparation process of retro-reflection garment fabric |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1210169A (en) * | 1997-08-28 | 1999-03-10 | 浙江省畜产进出口公司 | Process for producing hydrophobic carpets |
| CN1548293A (en) * | 2003-05-13 | 2004-11-24 | 中国纺织科学研究院 | Regressive reflecting fabric and its prepn |
-
2004
- 2004-01-15 CN CNB2004100006536A patent/CN1313673C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1210169A (en) * | 1997-08-28 | 1999-03-10 | 浙江省畜产进出口公司 | Process for producing hydrophobic carpets |
| CN1548293A (en) * | 2003-05-13 | 2004-11-24 | 中国纺织科学研究院 | Regressive reflecting fabric and its prepn |
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| Publication number | Publication date |
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| CN1641099A (en) | 2005-07-20 |
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