CN102490510B - Polyester reflective membrane for jet printing and preparation method thereof - Google Patents
Polyester reflective membrane for jet printing and preparation method thereof Download PDFInfo
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- CN102490510B CN102490510B CN201110392354.1A CN201110392354A CN102490510B CN 102490510 B CN102490510 B CN 102490510B CN 201110392354 A CN201110392354 A CN 201110392354A CN 102490510 B CN102490510 B CN 102490510B
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Abstract
The invention relates to the field of application of optical film and specifically relates to a polyester reflective membrane for printing and a preparation method thereof. In order to solve a problem of limit service life of an existing reflective membrane for printing, the invention provides a polyester reflective membrane for printing. The reflective membrane comprises a polyester base membrane; an upper surface of the polyester base membrane is bonded with a high-molecular material, and a lower surface of the polyester base membrane is bonded with a transparent resin layer; glass beads are implanted into the transparent resin layer, and an implanting depth is 1/2-2/3 of a diameter of the glass bead; a focusing layer under the glass beads covers 1/3-1/2 depth of the glass beads; a reflecting layer is under the focusing layer; and a pressure sensitive adhesive layer and an anti-sticking layer are under the reflecting layer successively. The polyester reflective membrane for printing provided by the invention has high light reflection rate, good reflection effect, good weatherability and a long usage life. The invention also provides the preparation method of the polyester reflective membrane for printing, and the method has simple production technology and is easy for operation.
Description
Technical field
The present invention relates to optical thin film application, be specifically related to a kind of polyester reflective membrane for printing and preparation method thereof.
Background technology
Common reflective membrane is mainly used in the traffic sign of highway, industry security sign, the fields such as car plate.Be used for the more rare of large-scale outdoor advertising, this is because reflective membrane is complicated for outdoor advertising comparison, generally all adopts the techniques such as silk-screen or delineation, seldom uses spray-drawing process.Even and if have minority producer to make the reflective membrane that air brushing is used at present; but owing to being directly in the air brushing of reflective membrane surface; after air brushing, do not take corresponding safeguard measure yet; and the weatherability of ink layer is poor; make the service life of reflective membrane limited, so just the application of whole reflective membrane has been caused to very large restriction.In addition, because prior art is substantially all directly to aluminize as reflecting layer after soot layer, then in outside, reflecting layer, coat pressure sensitive adhesive and release liners, while so just causing aluminium coated to use under environment out of doors, than the corrosion that is easier to be subject to environment, and then can have influence on again service life of whole reflective membrane.
Summary of the invention
In order to solve reflective membrane limited problem in service life for existing air brushing, the invention provides a kind of polyester reflective membrane for printing and preparation method thereof.The reflecting effect of polyester reflective membrane for printing provided by the invention is better, and weatherability is strong.The present invention also provides a kind of air brushing polyester reflective membrane and preparation method thereof.Air brushing polyester reflective membrane weatherability provided by the invention is better, long service life.
In the present invention, " polyester reflective membrane for printing " refers to the polyester reflective membrane that can be used for air brushing; " air brushing polyester reflective membrane " refers to the polyester reflective membrane after air brushing.
In order to achieve the above object, the invention provides following technical proposals:
A kind of polyester reflective membrane for printing, comprise polyester base film, its feature is, above described polyester base film, is bonded with macromolecular material, is bonded with transparent resin layer below, described transparent resin layer has been implanted into glass microballoon, implantation depth is the 1/2-2/3 of described Glass Bead Diameter, is focus layer below described glass microballoon, and the degree of depth that described glass microballoon is covered by described focus layer is 1/3-1/2, described focus layer be below reflecting layer, be pressure-sensitive adhesive layer and adherent layer successively below described reflecting layer.
Further, described polyester base film thickness is 30-100 micron, described transparent resin layer thickness is 10-40 micron, described Glass Bead Diameter is 10-50 micron, the thickness of described focus layer is 10-15 micron, the thickness in described reflecting layer is 25-75 micron, and the thickness of described pressure-sensitive adhesive layer is 25-50 micron.Generally, the refractive index of described glass microballoon is in 1.9 left and right.
Further, the thickness of described macromolecular material is less than 1um.
Further, the light transmittance of described polyester base film is 92%-93%.Described polyester base film is individual layer or A/B/A three-layer thin-film, and top layer will have certain antistatic effect, and mist degree is at 1%-2%, and light transmittance is 92%-93%, and one side is done the coating of the macromolecule aqueous solution and processed, and another side is done sided corona treatment.
Can realize antistatic effect by adding antistatic additive, described antistatic additive comprises Sulfonates antistatic additive, polyethers antistatic additive, ionic anti-static agent etc.
Further, described macromolecular material is polyacrylate, modified polyurethane or modified poly ester.Described macromolecular material is mixed with the aqueous solution and uses, and the solid content of gained polyacrylic hydrosol, the modified polyurethane aqueous solution and the modified poly ester aqueous solution is 5%-15% (percentage by weight).
Further, the raw material of described transparent resin layer comprises modified PVC resin, modified epoxy or modified polyurethane; Described focus layer raw material comprises waterborne sulfonated polyester coating, aqueous polyurethane coating or modified acroleic acid coating; Described reflecting layer is the polyester film that one side is aluminized.Described pressure-sensitive adhesive layer adopts resin pressure sensitive adhesive, and described polyester base film raw material comprises PETG (PET), polyethylene glycol (PEG) and modified poly ester, and described adherent layer can be release liners.The weatherability in the polyester film reflecting layer that one side is aluminized is better, and then has improved the weatherability of polyester reflective membrane for printing.
The brookfield viscosity scope of described waterborne sulfonated polyester coating, aqueous polyurethane coating or modified acroleic acid coating is 100-400cps (centipoise), and solid content is 15%-45% (percentage by weight).
Further, described polyester base film thickness is 50-80 micron, and described transparent resin layer thickness is 20-30 micron, and described Glass Bead Diameter is 20-40 micron, and described reflector thickness is 40-60 micron, and the thickness of described pressure-sensitive adhesive layer is 30-40 micron.
Further, described polyester base film thickness is 30-60 micron, and described transparent resin layer thickness is 10-20 micron, and described Glass Bead Diameter is 10-30 micron, and described reflector thickness is 25-50 micron, and the thickness of described pressure-sensitive adhesive layer is 25-35 micron.
Further, described polyester base film thickness is 60-100 micron, and described transparent resin layer thickness is 20-40 micron, and described Glass Bead Diameter is 30-50 micron, and described reflector thickness is 50-75 micron, and the thickness of described pressure-sensitive adhesive layer is 35-50 micron.
Further, the preparation method of described polyester reflective membrane for printing comprises the steps:
(1) polyester base film: the macromolecular material aqueous solution coating for a surface of polyester base film, dry rear macromolecular material sticks to the surface of described polyester base film, and sided corona treatment is done on another surface of polyester base film;
(2) coating of the raw material of transparent resin layer: be coated with one deck modified PVC resin, modified epoxy or modified polyurethane on the surface of crossing through sided corona treatment of the polyester base film of step (1) gained, baking is not taken out when completely dry;
(3) implant glass microballoon: glass microballoon is implanted in above-mentioned transparent resin layer by high pressure draught, through rubber roller, glass microballoon is embedded wherein, the 1/2-2/3 that the degree of depth of embedding is Glass Bead Diameter;
(4) focus layer: waterborne sulfonated polyester coating, aqueous polyurethane coating or modified acroleic acid coating are coated on to the surface of described glass microballoon, form and the spherical surface focusing layer of glass microballoon with the centre of sphere;
(5) secondary of the raw material of transparent resin layer coating: be coated with one deck modified PVC resin, modified epoxy or modified polyurethane in focus layer, do not need heating;
(6) reflecting layer: the face of aluminizing of aluminized mylar is pasted on transparent resin layer coated in step (5), and baking, is bonded together aluminized mylar and transparent resin layer;
(7) pressure sensitive adhesive and adherent layer: pressure-sensitive adhesive coating on the another side of aluminized mylar, and by adherent layer material binding to pressure sensitive adhesive, obtain polyester reflective membrane for printing.
The present invention also provides a kind of air brushing polyester reflective membrane, and its feature is, in the one side that is stained with macromolecular material of the polyester base film of above-mentioned polyester reflective membrane for printing, air brushing forms spray drawing layer, on described spray drawing layer, is provided with transparent protective film.
Further, a kind of air brushing polyester reflective membrane, its feature is, and described transparent protective film is polyvinyl butyral resin or polyvinyl formal, and the thickness of described transparent protective film is 10 microns of left and right.
The present invention also provides a kind of preparation method of air brushing polyester reflective membrane, comprises the steps:
(1) polyester base film: the macromolecular material aqueous solution coating for a surface of polyester base film, dry rear macromolecular material sticks to the surface of described polyester base film, and sided corona treatment is done on another surface of polyester base film;
(2) coating of the raw material of transparent resin layer: be coated with one deck modified PVC resin, modified epoxy or modified polyurethane on the surface of crossing through sided corona treatment of the polyester base film of step (1) gained, baking is not taken out when completely dry;
(3) implant glass microballoon: glass microballoon is implanted in above-mentioned transparent resin layer by high pressure draught, through rubber roller, glass microballoon is embedded wherein, the 1/2-2/3 that the degree of depth of embedding is Glass Bead Diameter;
(4) focus layer: waterborne sulfonated polyester coating, aqueous polyurethane coating or modified acroleic acid coating are coated on to the surface of described glass microballoon, form and the spherical surface focusing layer of glass microballoon with the centre of sphere;
(5) secondary of the raw material of transparent resin layer coating: be coated with one deck modified PVC resin, modified epoxy or modified polyurethane in focus layer, do not need heating;
(6) reflecting layer: the face of aluminizing of aluminized mylar is pasted on transparent resin layer coated in step (5), and baking, is bonded together aluminized mylar and transparent resin layer;
(7) pressure sensitive adhesive and adherent layer: pressure-sensitive adhesive coating on the another side of aluminized mylar, and by adherent layer material binding to pressure sensitive adhesive, obtain polyester reflective membrane for printing;
(8) air brushing: adopt the product of step (7) gained, do air brushing processing to being stained with the surface of the polyester base film of macromolecular material;
(9) coating of polyvinyl butyral resin: polyvinyl butyral resin is coated on the polyester base film surface of air brushing, is heating and curing.The thickness of polyvinyl butyral resin protective clear layer is 10 microns of left and right.
Compared with prior art, in polyester reflective membrane for printing provided by the invention, the one side of polyester base film is bonded with macromolecular material, can increase the adhesive force of painting printing ink; Bonding between glass microballoon and transparent resin is more firm; Reflectance coating is the polyester film that one side is aluminized, and this polyester film can avoid the face of aluminizing to be subject to natural corrosion, thereby can improve the weatherability of whole polyester reflective membrane for printing.This polyester reflective membrane for printing has higher light reflectivity, and reflecting effect is better, and can firmly be bonded together with ink, has good weatherability, long service life simultaneously.Preparation method's production technology of polyester reflective membrane for printing provided by the invention is simple, easy operating.
In air brushing polyester reflective membrane provided by the invention, ink and polyester base film are firmly bonded together, and are provided with protective clear layer on air brushing layer.The reflecting effect of this air brushing polyester reflective membrane is better, and weatherability and scratch resistance ability are all better, long service life.At night, this air brushing polyester reflective membrane does not need to consume any energy just can obtain the visual effect similar to lamp box type painting advertisement.Preparation method's technique of air brushing polyester reflective membrane provided by the invention is simple, easy operating.
Accompanying drawing explanation
Fig. 1 is a kind of polyester reflective membrane for printing structural representation provided by the invention;
Wherein, 1 is polyester base film, and 2 is transparent resin layer, and 3 is glass microballoon, and 4 is focus layer, and 5 is reflecting layer, and 6 is pressure-sensitive adhesive layer, and 7 is adherent layer.
The specific embodiment
Material therefor of the present invention and equipment are existing material and facility.For example, coating apparatus, rubber roller, spray drawing apparatus etc. are common device, and Sulfonates antistatic additive, polyethers antistatic additive, ionic anti-static agent etc. all can be bought on market.Polyacrylic resin, modified polyurethane resin and modified poly ester, PETG (PET), polyethylene glycol (PEG) and modified poly ester, modified polyvinyl chloride (modified PVC), modified epoxy or modified polyurethane and waterborne sulfonated polyester coating, aqueous polyurethane coating or modified acroleic acid coating etc. are also products common on market, and resin pressure sensitive adhesive and release liners are also the conventional raw material of reflective membrane.
As shown in Figure 1, the invention provides a kind of polyester reflective membrane for printing, comprise polyester base film 1, described polyester base film 1 is bonded with macromolecular material above, be bonded with transparent resin layer 2 below, described transparent resin layer 2 has been implanted into glass microballoon 3, implantation depth is the 1/2-2/3 of described glass microballoon 3 diameters, described glass microballoon 3 is focus layer 4 below, the 1/3-1/2 that the degree of depth that described glass microballoon 3 is covered by described focus layer 4 is its diameter, below described focus layer 4, be reflecting layer 5, described reflecting layer 5 is pressure-sensitive adhesive layer 6 and adherent layer 7 below successively.
The preparation method of polyester reflective membrane for printing provided by the invention, comprises the steps:
(1) polyester base film: the macromolecular material aqueous solution coating for a surface of polyester base film 1, dry rear macromolecular material sticks to the surface of described polyester base film 1, and sided corona treatment is done on another surface of polyester base film;
The above-mentioned macromolecular material aqueous solution (also can be described as the macromolecule aqueous solution) is the aqueous solution of polyacrylate or modified poly ester or modified polyurethane etc., and solids content is 5%-15% (percentage by weight), can also comprise appropriate antistatic additive.The coating layer thickness of the macromolecular material aqueous solution is not more than 1um.
(2) coating of the raw material of transparent resin layer: be coated with one deck modified PVC resin, modified epoxy or modified polyurethane on the surface of crossing through sided corona treatment of the polyester base film of step (1) gained, at 100 ℃, toast about 2 minutes, when completely dry, do not taken out; The thickness of coating is 12-50 micron;
(3) implant glass microballoon: glass microballoon 3 is implanted in to 2 li of above-mentioned transparent resin layers by high pressure draught, through rubber roller, glass microballoon is embedded wherein, the 1/2-2/3 that the degree of depth of embedding is Glass Bead Diameter;
(4) focus layer: raw material adopts waterborne sulfonated polyester coating, aqueous polyurethane coating or modified acroleic acid coating, reconcile coating coating viscosity and amount of solid content, coating is coated on to the surface of described glass microballoon 3, form and the spherical surface focusing layer 4 of glass microballoon with the centre of sphere, the thickness of coating is 12-25 micron;
The amount of solid content of above-mentioned coating (referred to as solid content) is 15%-45% (percentage by weight), brookfield viscosity scope: 100-400cps (centipoise).
(5) secondary of the raw material of transparent resin layer coating: be coated with one deck modified PVC resin, modified epoxy or modified polyurethane in focus layer, do not need heating;
(6) reflecting layer: the face of aluminizing of aluminized mylar (digital reflex layer 5) is pasted on transparent resin coated in step (5), and toast about 4 minutes at 100 ℃, aluminized mylar and transparent resin layer 2 are bonded together;
(7) pressure sensitive adhesive and adherent layer: on the another side of aluminized mylar, pressure-sensitive adhesive coating 6, and adherent layer 7 is bonded on pressure sensitive adhesive, polyester reflective membrane for printing obtained.The material of described adherent layer can be release liners.
The preparation method of air brushing polyester reflective membrane provided by the invention, comprises the steps:
(1) adopt polyester reflective membrane for printing provided by the invention,
(2) air brushing: do air brushing processing to being stained with the surface of the polyester base film of macromolecular material;
(3) coating of polyvinyl butyral resin: polyvinyl butyral resin is coated on to the polyester base film surface of air brushing, heats about 2 minutes at 150 ℃, obtain air brushing polyester reflective membrane.
In following embodiment, the preparation method of reflective membrane is the same, is that raw materials used and thickness each layer changes.
The thickness of the transparent resin layer shown in embodiment and focus layer is dried thickness, and shown percentage is weight percentage.In embodiment 3 to 12, the 1/2-2/3 that the degree of depth of described glass microballoon implantation transparent resin layer is its diameter, the 1/3-1/2 that the degree of depth that described glass microballoon is covered by described focus layer is its diameter.
Embodiment 1
Prepare according to the method described above a kind of polyester reflective membrane for printing, wherein, polyester base film material is PET, and thickness is 30 microns; Macromolecule aqueous solution coating material used is that solid content is 5% polyacrylic hydrosol, and after being dried, the thickness of macromolecular material is less than 1um; Transparent resin layer is modified PVC resin, and the thickness of the transparent resin layer being bonded together with polyester base film is 10 microns; Focus layer raw material used is that solid content is 15% waterborne sulfonated polyester coating, and after being dried, focus layer thickness is 10 microns; Glass Bead Diameter is 10 microns, and it is its diameter 1/2 that described glass microballoon is implanted the degree of depth of transparent resin layer, and the degree of depth that described glass microballoon is covered by described focus layer is 1/2; Reflecting layer is the polyester film that one side is aluminized, and thickness is 25 microns; The thickness of pressure-sensitive adhesive layer is 25 microns; It below pressure-sensitive adhesive layer, is release liners.
Embodiment 2
Prepare according to the method described above a kind of polyester reflective membrane for printing, wherein, polyester base film material is modified PET, and thickness is 100 microns; Macromolecule aqueous solution coating material used is that solid content is 15% the modified polyurethane aqueous solution, and after being dried, the thickness of macromolecular material is less than 1 micron; Transparent resin layer is modified epoxy, and the thickness of the transparent resin layer being bonded together with polyester base film is 40 microns; Focus layer raw material used is that solid content is 45% aqueous polyurethane coating, and after being dried, the thickness of focus layer is 15 microns; Glass Bead Diameter is 50 microns, and it is its diameter 2/3 that described glass microballoon is implanted the degree of depth of transparent resin layer, and the degree of depth that described glass microballoon is covered by described focus layer is 1/3; Reflecting layer is the polyester film that one side is aluminized, and thickness is 75 microns; The thickness of pressure-sensitive adhesive layer is 50 microns; It below pressure-sensitive adhesive layer, is release liners.
Embodiment 3
Prepare according to the method described above a kind of polyester reflective membrane for printing, wherein, polyester base film material is PEG, and thickness is 60 microns; Macromolecule aqueous solution coating material used is that solid content is 10% the modified poly ester aqueous solution, and after being dried, the thickness of macromolecular material is less than 1um; Transparent resin layer is modified polyurethane, and the thickness of the transparent resin layer being bonded together with polyester base film is 25 microns; Focus layer raw material used is that solid content is 30% modified acroleic acid coating, and after being dried, the thickness of focus layer is 12 microns; Glass Bead Diameter is 30 microns, and the degree of depth that described glass microballoon is implanted described transparent resin layer is 18 microns, and the degree of depth being covered by described focus layer is 12 microns; Reflecting layer is the polyester film that one side is aluminized, and thickness is 50 microns; The thickness of pressure-sensitive adhesive layer is 40 microns; It below pressure-sensitive adhesive layer, is release liners.
Embodiment 4
Prepare according to the method described above a kind of polyester reflective membrane for printing, wherein, polyester base film material is PEG, and thickness is 50 microns; Macromolecule aqueous solution coating material used is that solid content is 6% the modified polyurethane aqueous solution, and after being dried, the thickness of macromolecular material is less than 1um; Transparent resin layer is modified PVC, and the thickness of the transparent resin layer being bonded together with polyester base film is 20 microns; Focus layer raw material used is that solid content is 16% modified acroleic acid coating, and after being dried, the thickness of focus layer is 13 microns; Glass Bead Diameter is 20 microns, and the degree of depth that described glass microballoon is implanted described transparent resin layer is 12 microns, and the degree of depth being covered by described focus layer is 8 microns; Reflecting layer is the polyester film that one side is aluminized, and thickness is 40 microns; The thickness of pressure-sensitive adhesive layer is 30 microns; It below pressure-sensitive adhesive layer, is release liners.
Embodiment 5
Prepare according to the method described above a kind of polyester reflective membrane for printing, wherein, polyester base film material is PEG, and thickness is 80 microns; Macromolecule aqueous solution coating material used is that solid content is 7% the modified poly ester aqueous solution, and after being dried, the thickness of macromolecular material is less than 1um; Transparent resin layer is modified polyurethane, and the thickness of the transparent resin layer being bonded together with polyester base film is 30 microns; Focus layer raw material used is that solid content is 17% waterborne sulfonated polyester coating, and after being dried, the thickness of focus layer is 12 microns; Glass Bead Diameter is 40 microns, and the degree of depth that described glass microballoon is implanted described transparent resin layer is 18 microns, and the degree of depth being covered by described focus layer is 12 microns; Reflecting layer is the polyester film that one side is aluminized, and thickness is 60 microns; The thickness of pressure-sensitive adhesive layer is 40 microns; It below pressure-sensitive adhesive layer, is release liners.
Embodiment 6
Prepare according to the method described above a kind of polyester reflective membrane for printing, wherein, polyester base film material is PET, and thickness is 65 microns; Macromolecule aqueous solution coating material used is that solid content is 8% the modified poly ester aqueous solution, and after being dried, the thickness of macromolecular material is less than 1um; Transparent resin layer is modified epoxy, and the thickness of the transparent resin layer being bonded together with polyester base film is 25 microns; Focus layer raw material used is that solid content is 18% modified acroleic acid coating, and after being dried, the thickness of focus layer is 15 microns; Glass Bead Diameter is 25 microns, and the degree of depth that described glass microballoon is implanted described transparent resin layer is 15 microns, and the degree of depth being covered by described focus layer is 10 microns; Reflecting layer is the polyester film that one side is aluminized, and thickness is 50 microns; The thickness of pressure-sensitive adhesive layer is 35 microns; It below pressure-sensitive adhesive layer, is release liners.
Embodiment 7
Prepare according to the method described above a kind of polyester reflective membrane for printing, wherein, polyester base film material is PEG, and thickness is 60 microns; Macromolecule aqueous solution coating material used is that solid content is 9% the modified polyacrylate aqueous solution, and after being dried, the thickness of macromolecular material is less than 1um; Transparent resin layer is modified PVC, and the thickness of the transparent resin layer being bonded together with polyester base film is 20 microns; Focus layer raw material used is that solid content is 20% waterborne sulfonated polyester coating, and after being dried, the thickness of focus layer is 15 microns; Glass Bead Diameter is 30 microns, and the degree of depth that described glass microballoon is implanted described transparent resin layer is 10 microns, and the degree of depth being covered by described focus layer is 20 microns; Reflecting layer is the polyester film that one side is aluminized, and thickness is 50 microns; The thickness of pressure-sensitive adhesive layer is 35 microns; It below pressure-sensitive adhesive layer, is release liners.
Embodiment 8
Prepare according to the method described above a kind of polyester reflective membrane for printing, wherein, polyester base film material is PEG modified poly ester, and thickness is 40 microns; Macromolecule aqueous solution coating material used is that solid content is 10% the modified polyurethane aqueous solution, and after being dried, the thickness of macromolecular material is less than 1um; Transparent resin layer is modified PVC, and the thickness of the transparent resin layer being bonded together with polyester base film is 12 microns; Focus layer raw material used is that solid content is 21% aqueous polyurethane coating, and after being dried, the thickness of focus layer is 10 microns; Glass Bead Diameter is 15 microns, and the degree of depth that described glass microballoon is implanted described transparent resin layer is 7 microns, and the degree of depth being covered by described focus layer is 8 microns; Reflecting layer is the polyester film that one side is aluminized, and thickness is 30 microns; The thickness of pressure-sensitive adhesive layer is 30 microns; It below pressure-sensitive adhesive layer, is release liners.
Embodiment 9
Prepare according to the method described above a kind of polyester reflective membrane for printing, wherein, polyester base film material is PET, and thickness is 45 microns; Macromolecule aqueous solution coating material used is that solid content is 11% the polyacrylate aqueous solution, and after being dried, the thickness of macromolecular material is less than 1um; Transparent resin layer is modified polyurethane, and the thickness of the transparent resin layer being bonded together with polyester base film is 15 microns; Focus layer raw material used is that solid content is 23% aqueous polyurethane coating, after dry, the thickness of focus layer is 15 microns, and Glass Bead Diameter is 20 microns, the degree of depth that described glass microballoon is implanted described transparent resin layer is 11 microns, and the degree of depth being covered by described focus layer is 9 microns; Reflecting layer is the polyester film that one side is aluminized, and thickness is 38 microns; The thickness of pressure-sensitive adhesive layer is 30 microns; It below pressure-sensitive adhesive layer, is release liners.
Embodiment 10
Prepare according to the method described above a kind of polyester reflective membrane for printing, wherein, polyester base film material is PEG, and thickness is 60 microns; Macromolecule aqueous solution coating material used is that solid content is 12% the modified poly ester aqueous solution, and after being dried, the thickness of macromolecular material is less than 1um; Transparent resin layer is modified PVC, and the thickness of the transparent resin layer being bonded together with polyester base film is 20 microns; Focus layer raw material used is that solid content is 30% modified acroleic acid coating, and after being dried, the thickness of focus layer is 12 microns; Glass Bead Diameter is 30 microns, and the degree of depth that described glass microballoon is implanted described transparent resin layer is 20 microns, and the degree of depth being covered by described focus layer is 10 microns; Reflecting layer is the polyester film that one side is aluminized, and thickness is 50 microns; The thickness of pressure-sensitive adhesive layer is 35 microns; It below pressure-sensitive adhesive layer, is release liners.
Embodiment 11
Prepare according to the method described above a kind of polyester reflective membrane for printing, wherein, polyester base film material is modified PET, and thickness is 80 microns; Macromolecule aqueous solution coating material used is that solid content is 13% the polyacrylate aqueous solution, and after being dried, the thickness of macromolecular material is less than 1um; Transparent resin layer is modified polyurethane, and the thickness of the transparent resin layer being bonded together with polyester base film is 30 microns; Focus layer raw material used is that solid content is 33% aqueous polyurethane coating, after dry, the thickness of focus layer is 12 microns, and Glass Bead Diameter is 40 microns, the degree of depth that described glass microballoon is implanted described transparent resin layer is 20 microns, and the degree of depth being covered by described focus layer is 20 microns; Reflecting layer is the polyester film that one side is aluminized, and thickness is 65 microns; The thickness of pressure-sensitive adhesive layer is 40 microns; It below pressure-sensitive adhesive layer, is release liners.
Embodiment 12
Prepare according to the method described above a kind of polyester reflective membrane for printing, wherein, polyester base film material is PEG, and thickness is 70 microns; Macromolecule aqueous solution coating material used is that solid content is 14% the modified poly ester aqueous solution, and after being dried, the thickness of macromolecular material is less than 1um; Transparent resin layer is modified epoxy, and the thickness of the transparent resin layer being bonded together with polyester base film is 25 microns; Focus layer raw material used is that solid content is 36% waterborne sulfonated polyester coating, and after being dried, the thickness of focus layer is 13 microns; Glass Bead Diameter is 35 microns, and the degree of depth that described glass microballoon is implanted described transparent resin layer is 20 microns, and the degree of depth being covered by described focus layer is 15 microns; Reflecting layer is the polyester film that one side is aluminized, and thickness is 60 microns; The thickness of pressure-sensitive adhesive layer is 40 microns; It below pressure-sensitive adhesive layer, is release liners.
Embodiment 13
Prepare according to the method described above a kind of air brushing polyester reflective membrane, wherein, polyester base film material is PEG, and thickness is 50 microns; Macromolecule aqueous solution coating material used is that solid content is 15% the polyacrylate aqueous solution, and after being dried, the thickness of macromolecular material is less than 1um; Transparent resin layer is modified PVC, and the thickness of the transparent resin layer being bonded together with polyester base film is 30 microns; Focus layer raw material used is that solid content is 38% waterborne sulfonated polyester coating, and after being dried, the thickness of focus layer is 15 microns; Glass Bead Diameter is 40 microns, and the degree of depth that described glass microballoon is implanted described transparent resin layer is 25 microns, and the degree of depth being covered by described focus layer is 15 microns; Reflecting layer is the polyester film that one side is aluminized, and thickness is 50 microns; The thickness of pressure-sensitive adhesive layer is 30 microns; It below pressure-sensitive adhesive layer, is release liners.Diaphragm is polyvinyl butyral resin, and thickness is 10 microns.
Embodiment 14
Prepare according to the method described above a kind of air brushing polyester reflective membrane, wherein, polyester base film material is modified PET, and thickness is 80 microns; Macromolecule aqueous solution coating material used is that solid content is 10% the modified polyurethane aqueous solution, and after being dried, the thickness of macromolecular material is less than 1um; Transparent resin layer is modified epoxy, and the thickness of the transparent resin layer being bonded together with polyester base film is 20 microns; Focus layer raw material used is that solid content is 40% modified acroleic acid coating, and after being dried, the thickness of focus layer is 10 microns; Glass Bead Diameter is 30 microns, and the degree of depth that described glass microballoon is implanted described transparent resin layer is 16 microns, and the degree of depth being covered by described focus layer is 14 microns; Reflecting layer is the polyester film that one side is aluminized, and thickness is 30 microns; The thickness of pressure-sensitive adhesive layer is 40 microns; It below pressure-sensitive adhesive layer, is release liners.Diaphragm is polyvinyl formal, and thickness is 12 microns.
Embodiment 15
Prepare according to the method described above a kind of air brushing polyester reflective membrane, wherein, polyester base film material is PET, and thickness is 40 microns; Macromolecule aqueous solution coating material used is that solid content is 9% the modified poly ester aqueous solution, and after being dried, the thickness of macromolecular material is less than 1um; Transparent resin layer is modified epoxy, and the thickness of the transparent resin layer being bonded together with polyester base film is 25 microns; Focus layer raw material used is that solid content is 42% waterborne sulfonated polyester coating, and after being dried, the thickness of focus layer is 11 microns; Glass Bead Diameter is 25 microns, and the degree of depth that described glass microballoon is implanted described transparent resin layer is 18 microns, and the degree of depth being covered by described focus layer is 12 microns; Reflecting layer is the polyester film that one side is aluminized, and thickness is 60 microns; The thickness of pressure-sensitive adhesive layer is 40 microns; It below pressure-sensitive adhesive layer, is release liners.Diaphragm is polyvinyl butyral resin, and thickness is 8 microns.
Embodiment 16
A polyester reflective membrane, the polyester reflective membrane for printing that adopts above-described embodiment 1 to make,
(1) to being stained with the surface of the polyester base film of macromolecular material, do air brushing processing;
(2) coating of polyvinyl butyral resin: polyvinyl butyral resin is coated on to the polyester base film surface of air brushing, heats at 150 ℃ 3 minutes, obtain air brushing polyester reflective membrane.The thickness of polyvinyl butyral resin transparent protective film is 8 microns.
The reflectivity of above embodiment 1 to 16 prepared polyester reflective membrane for printing and air brushing polyester reflective membrane is in Table 1.
Table 1
| Reflective membrane | Reflectivity |
| Embodiment 1 | 97.5％ |
| Embodiment 2 | 98.5％ |
| Embodiment 3 | 97.4％ |
| Embodiment 4 | 98.3％ |
| Embodiment 5 | 98.5％ |
| Embodiment 6 | 98.2％ |
| Embodiment 7 | 97.5％ |
| Embodiment 8 | 97.7％ |
| Embodiment 9 | 97.8％ |
| Embodiment 10 | 98.1％ |
| Embodiment 11 | 97.9％ |
| Embodiment 12 | 98.5％ |
| Embodiment 13 | 97.6％ |
| Embodiment 14 | 97.5％ |
| Embodiment 15 | 98.3％ |
| Embodiment 16 | 97.5％ |
Embodiment 1 to 16 prepared product, adopt ColorQuest XE spectrophotometric color measurement instrument (Hunterlab company system), under D65 light source condition, by its reflectivity of integrating sphere d/8 ° structured testing, reflectivity data is that 400-700nm is every the weighted average of the reflectivity of 10nm wavelength, the energy distribution curve of the corresponding D65 light source of weights, reference be colour examining standard JIS Z8722-2009 (Japanese Industrial Standards) and GB/T3979-2008.
Reflectivity data by table 1 can find out, the reflectivity of polyester reflective membrane for printing provided by the invention and air brushing polyester reflective membrane is higher, and reflecting effect is better.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.Every equalization that content is done according to the present invention changes and modifies, and is all encompassed in the scope of the claims of the present invention.
Claims (7)
1. a polyester reflective membrane for printing, comprise polyester base film, it is characterized in that, above described polyester base film, be bonded with macromolecular material, be bonded with transparent resin layer below, described transparent resin layer has been implanted into glass microballoon, implantation depth is the 1/2-2/3 of described Glass Bead Diameter, below described glass microballoon, it is focus layer, the degree of depth that described glass microballoon is covered by described focus layer is 1/3-1/2, described focus layer be below reflecting layer, be pressure-sensitive adhesive layer and adherent layer successively below described reflecting layer;
Described macromolecular material is modified polyurethane or modified poly ester;
The raw material of described transparent resin layer is selected from modified epoxy or modified polyurethane; Described focus layer raw material is selected from waterborne sulfonated polyester coating or aqueous polyurethane coating; Described reflecting layer is the polyester film that one side is aluminized;
Described pressure-sensitive adhesive layer adopts resin pressure sensitive adhesive, and described polyester base film raw material is selected from PET or PEG, and described adherent layer is release liners;
Described polyester base film thickness is 60-100 micron, and described transparent resin layer thickness is 20-40 micron, and described Glass Bead Diameter is 30-50 micron, and described reflector thickness is 50-75 micron, and the thickness of described pressure-sensitive adhesive layer is 35-50 micron.
2. a polyester reflective membrane for printing as claimed in claim 1, is characterized in that, the thickness of described macromolecular material is less than 1um.
3. a polyester reflective membrane for printing as claimed in claim 2, is characterized in that, the light transmittance of described polyester base film is 92%-93%.
4. a preparation method for the polyester reflective membrane for printing as described in one of claim 1-3, is characterized in that, described method comprises the steps:
(1) polyester base film: the macromolecular material aqueous solution coating for a surface of polyester base film, dry rear macromolecular material sticks to the surface of described polyester base film, and sided corona treatment is done on another surface of polyester base film;
(2) coating of the raw material of transparent resin layer: be coated with one deck modified epoxy or modified polyurethane on the surface of crossing through sided corona treatment of the polyester base film of step (1) gained, baking is not taken out when completely dry;
(3) implant glass microballoon: glass microballoon is implanted in above-mentioned transparent resin layer by high pressure draught, through rubber roller, glass microballoon is embedded wherein, the 1/2-2/3 that the degree of depth of embedding is Glass Bead Diameter;
(4) focus layer: waterborne sulfonated polyester coating or aqueous polyurethane coating are coated on to the surface of described glass microballoon, form and the spherical surface focusing layer of glass microballoon with the centre of sphere;
(5) secondary of the raw material of transparent resin layer coating: be coated with one deck modified epoxy or modified polyurethane in focus layer, do not need heating;
(6) reflecting layer: the face of aluminizing of aluminized mylar is pasted on transparent resin layer coated in step (5), and baking, is bonded together aluminized mylar and transparent resin layer;
(7) pressure sensitive adhesive and adherent layer: pressure-sensitive adhesive coating on the another side of aluminized mylar, and by adherent layer material binding to pressure sensitive adhesive, obtain polyester reflective membrane for printing.
5. an air brushing polyester reflective membrane, is characterized in that, in the one side that is stained with macromolecular material of the polyester base film of the polyester reflective membrane for printing as described in one of claim 1-3, air brushing forms spray drawing layer, on described spray drawing layer, is provided with transparent protective film.
6. an air brushing polyester reflective membrane as claimed in claim 5, is characterized in that, described transparent protective film is polyvinyl butyral resin.
7. a preparation method for the air brushing polyester reflective membrane as described in claim 5 or 6, is characterized in that, described method comprises the steps:
(1) polyester base film: the macromolecular material aqueous solution coating for a surface of polyester base film, dry rear macromolecular material sticks to the surface of described polyester base film, and sided corona treatment is done on another surface of polyester base film;
(2) coating of the raw material of transparent resin layer: be coated with one deck modified epoxy or modified polyurethane on the surface of crossing through sided corona treatment of the polyester base film of step (1) gained, baking is not taken out when completely dry;
(3) implant glass microballoon: glass microballoon is implanted in above-mentioned transparent resin layer by high pressure draught, through rubber roller, glass microballoon is embedded wherein, the 1/2-2/3 that the degree of depth of embedding is Glass Bead Diameter;
(4) focus layer: waterborne sulfonated polyester coating or aqueous polyurethane coating are coated on to the surface of described glass microballoon, form and the spherical surface focusing layer of glass microballoon with the centre of sphere;
(5) secondary of the raw material of transparent resin layer coating: be coated with one deck modified epoxy or modified polyurethane in focus layer, do not need heating;
(6) reflecting layer: the face of aluminizing of aluminized mylar is pasted on transparent resin layer coated in step (5), and baking, is bonded together aluminized mylar and transparent resin layer;
(7) pressure sensitive adhesive and adherent layer: pressure-sensitive adhesive coating on the another side of aluminized mylar, and by adherent layer material binding to pressure sensitive adhesive, obtain polyester reflective membrane for printing;
(8) air brushing: adopt the product of step (7) gained, do air brushing processing to being stained with the surface of the polyester base film of macromolecular material;
(9) coating of polyvinyl butyral resin: polyvinyl butyral resin is coated on the polyester base film surface of air brushing, is heating and curing.
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| CN105242338A (en) * | 2014-06-09 | 2016-01-13 | 浙江景泰反光科技有限公司 | Reflective luminous filament and preparation method thereof |
| CN104142528A (en) * | 2014-08-01 | 2014-11-12 | 苏州袭麟光电科技产业有限公司 | Prism type reflective film capable of being spray-painted |
| CN104849785B (en) * | 2015-04-17 | 2017-03-01 | 黄一骐 | Pearl base material planted by reflectorized material |
| CN106827743A (en) * | 2017-03-10 | 2017-06-13 | 深圳市武士贸易有限公司 | Surface coating structure with metal photosphere high |
| CN108535800A (en) * | 2018-05-31 | 2018-09-14 | 苏州苏大维格光电科技股份有限公司 | It can air brushing reflective membrane and preparation method thereof |
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| CN110045447B (en) * | 2019-04-30 | 2022-03-22 | 福建夜景辉光学科技有限公司 | Spray-painting reflective film and preparation process thereof |
| CN113009607B (en) * | 2020-12-24 | 2023-03-31 | 杭州星华反光材料股份有限公司 | Single-color reflective material and manufacturing method thereof |
| CN113208213A (en) * | 2021-06-16 | 2021-08-06 | 张�杰 | Reflective warning safety garment |
| CN115798351B (en) * | 2022-12-19 | 2023-12-01 | 淮安惠铭光学材料有限公司 | Glass bead sealed capsule type vehicle body reflective marker and processing technology thereof |
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| GB788782A (en) * | 1953-12-28 | 1958-01-08 | James Halstead Ltd | Improvements in or relating to light-reflective flexible sheet materials |
| JPS51144198A (en) * | 1975-06-06 | 1976-12-10 | Seibu Polymer Kasei Kk | Return reflector |
| JPS5825602A (en) * | 1981-08-10 | 1983-02-15 | Toshiba Glass Co Ltd | Retroreflection sheet |
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Address after: Qingfeng Road, Jiangbei District 315000 in Zhejiang city of Ningbo province No. 999 Patentee after: Ningbo, Changyang, Polytron Technologies Inc Address before: 315031 Zhejiang province Jiangbei District of Ningbo City Green Road Zhu Xiang (1) - (4) Patentee before: Ningbo Changyang Technology Co., Ltd. |
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Application publication date: 20120613 Assignee: Ningbo Changlong New Material Co.,Ltd. Assignor: NINGBO SOLARTRON TECHNOLOGY Co.,Ltd. Contract record no.: X2021330000199 Denomination of invention: The invention relates to a polyester reflective film for spray painting and a preparation method thereof Granted publication date: 20140122 License type: Common License Record date: 20210831 |