CN110305355A - A kind of delustring back spray lamp box panel and preparation method thereof - Google Patents

A kind of delustring back spray lamp box panel and preparation method thereof Download PDF

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Publication number
CN110305355A
CN110305355A CN201910630224.3A CN201910630224A CN110305355A CN 110305355 A CN110305355 A CN 110305355A CN 201910630224 A CN201910630224 A CN 201910630224A CN 110305355 A CN110305355 A CN 110305355A
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parts
layer
agent
preparation
lamp box
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颜景伟
高志超
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Zhengzhou Jiali Digital Greenway Technology Materials Co
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Zhengzhou Jiali Digital Greenway Technology Materials Co
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D103/00—Coating compositions based on starch, amylose or amylopectin or on their derivatives or degradation products
    • C09D103/02—Starch; Degradation products thereof, e.g. dextrin
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D129/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
    • C09D129/02—Homopolymers or copolymers of unsaturated alcohols
    • C09D129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D189/00—Coating compositions based on proteins; Coating compositions based on derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2429/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
    • C08J2429/02—Homopolymers or copolymers of unsaturated alcohols
    • C08J2429/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2489/00—Characterised by the use of proteins; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide

Abstract

The present invention provides a kind of delustring back spray lamp box panel and preparation method thereof, and the delustring back spray lamp box panel includes extinction layer, piece base, cross-linked layer, ink absorbing layer and covering layer, and the extinction layer is arranged in described base front；Including following component: 6-10 parts of flatting silica, 4-8 parts of ethyl acetate, 25-30 parts of toluene, 1-3 parts of dispersing agent, 0.5-1.5 parts of levelling agent, 0.5-1.5 parts of wetting agent；The preparation method of back spray lamp box panel includes: PET sheet base by sided corona treatment, has extinction layer in piece base front surface coated, strengthens this volume scattering of lamp box panel, achieve the purpose that delustring；Increase the firmness of ink absorbing layer further through coating cross-linked layer；It is coated with covering layer again in the outside of ink absorbing layer, there is good covering power；Delustring back spray lamp box panel of the invention reduces the strong light impact to people's vision by setting extinction layer, and improves the anti-shearing force intensity of delustring lamp piece, increases the wearability and resistance to marring of lamp piece.

Description

A kind of delustring back spray lamp box panel and preparation method thereof
Technical field
The invention belongs to lamp box panel Material Fields, and in particular to a kind of delustring back spray lamp box panel and preparation method thereof.
Background technique
With the development of digital advertisement, back spray lamp box panel has very big advantage compared to positive spray lamp, beautiful with color, It is not easy to be distorted, saturate advantage.
Back spray lamp box panel be as made of chip base and coatings combine, after marking ink, the another side of ink bleed to coating, Positive image is presented, overleaf, the front of lamp box panel will not come to harm image spray-painting, do not influence the appreciation effect of image, one As for indoor/outdoor lamp box, show window etc. carry on the back the occasion that polishing is shown, but light is irradiated to coating surface, the light reflected It is dazzling, the eyes of people will cause with different degrees of injury, and piece primary surface is easily scratched intolerant to rubbing.
Method with plastic film is generallyd use to increase lamp box panel surface roughness, when incident light emission in traditional technology on the market at present When to rough surface, mirror-reflection is diffusely reflected replacement, and diffusing reflection can interfere with each other and increase scattered field light intensity, thus mirror surface Reflected intensity greatly weakens, and reaches certain delustring purpose, but method with plastic film bring actual effect is very faint, and useless work It is big to eye injury still can not preferably to solve the problems, such as that lamp box panel shines for waste material.
Accordingly, it is desirable to provide a kind of be directed to the insufficient improved technology scheme of the above-mentioned prior art.
Summary of the invention
The purpose of the present invention is to provide a kind of delustrings to carry on the back spray lamp box panel and preparation method thereof, to solve chip base adhesive force not Enough, piece primary surface is scratched intolerant to friction, easily and naked eyes are seen to support or oppose and spray lamp box panel and show glare, causes to hurt to the eyes of people Harmful problem.
To achieve the goals above, the invention provides the following technical scheme:
A kind of delustring back spray lamp box panel, the delustring back spray lamp box panel include:
Piece base, described base are PET sheet base；
Extinction layer, the extinction layer are arranged in described base front；In parts by weight, the extinction layer includes such as Lower component: 6-10 parts of flatting silica, 4-8 parts of ethyl acetate, 25-30 parts of toluene, 1-3 parts of dispersing agent, 0.5-1.5 parts of levelling agent, profit 0.5-1.5 parts of humectant；
The back side of described base is arranged in cross-linked layer, the cross-linked layer；In parts by weight, the cross-linked layer includes Following component: 35-45 parts of water-and acrylate, 45-55 parts of water, 8-12 parts of ethyl alcohol, 0.1-0.3 parts of defoaming agent；
The lower section of the cross-linked layer is arranged in ink absorbing layer, the ink absorbing layer；In parts by weight, the ink absorbing layer includes Following component: 75-90 parts of adhesive slurries, 0.5-2 parts of bleeding agent, 1-3 parts of surfactant, disappear at 0.5-2 parts of silica 0.5-2 parts of infusion, 0.3-1 parts of brightening agent；
The lower section of the ink absorbing layer is arranged in covering layer, the covering layer, and in parts by weight, the covering layer includes Following component: 8-12 parts of gelatin, 250-350 parts of water, 50-65 parts of white pigment, 1-3 parts of dispersing agent, 8-10 parts of adhesive slurries, 0.05-0.15 parts of brightening agent, 0.001-0.002 parts of levelling agent, 0.1-0.3 parts of nonshrink hole agent.
A kind of preparation method of delustring back spray lamp box panel, the preparation method include:
S1, piece base
Sided corona treatment is passed through by PET sheet base；
The preparation of S2, extinction layer
Flatting silica is added in ethyl acetate, after high speed dispersion, toluene, dispersing agent, levelling agent, wetting agent is added, with 2500-3500r/min is dispersed with stirring, and after being then allowed to stand 20-40min, filtering obtains extinction layer coating fluid, extinction layer is coated with Liquid is coated on the front of PET sheet base according to certain coating weight, is wound after drying at a temperature of 50-80 DEG C；
The preparation of S3, cross-linked layer
Water-and acrylate is added to the water dissolution, ethyl alcohol and defoaming agent is added, is obtained after dispersion stirring 10-30min Cross-linked layer coating fluid is coated on the back side of PET sheet base by cross-linked layer coating fluid, is wound after 110-130 DEG C of drying；
The preparation of S4, ink absorbing layer
Silica is added in adhesive slurries, then adds bleeding agent, brightening agent, surfactant and defoaming Agent, 200-500r/min are dispersed with stirring, and are filtered after being uniformly dispersed, and ink absorbing layer coating fluid are obtained after standing 20-30h, by ink absorbing layer Coating fluid below cross-linked layer, is wound using blade coating after 50-120 DEG C of drying；
The preparation of S5, covering layer
S51, dissolution gelatin in water by Gelatin are heated to 60-70 DEG C, impregnate 1-3h, after filtering, for use；
S52, slurry preparation, are added to the water dispersion for white pigment, and dispersing agent is then added and is dispersed with stirring 50-70min, Adhesive slurries are added, continues to be dispersed with stirring 40-60min, obtains slurry；
S53, the slurry in step s52 is added into step s51, and brightening agent, levelling agent and nonshrink hole agent is added, stirred Covering layer coating fluid is obtained after mixing uniformly, is controlled covering layer coating fluid temperature at 35-50 DEG C, is coated with using extrusion nozzle, 50-90 DEG C It is wound after drying.
The preparation method of spray lamp box panel is carried on the back in delustring as described above, it is preferable that the specific preparation side of the adhesive slurries Method are as follows: adhesive is dissolved in the water, stirs 20-40min, is then heated to 80-90 DEG C, until the complete flushing of adhesive, preparation At cementing agent slurries.
The preparation method of spray lamp box panel is carried on the back in delustring as described above, it is preferable that in step S2, the coating of extinction layer coating fluid Amount is 20-30g/m2, the revolving speed of applicator roll is 30m/min, and extinction layer coating layer thickness is 5-8 μm.
The preparation method of spray lamp box panel is carried on the back in delustring as described above, it is preferable that in step S2, extinction layer drying temperature 50- 80 DEG C, 7 sections are specifically divided into, every section of temperature is respectively 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 70 DEG C, 60 DEG C, 50 DEG C.
The preparation method of spray lamp box panel is carried on the back in delustring as described above, it is preferable that the coating layer thickness of the cross-linked layer is 3-5 μ m。
The preparation method of spray lamp box panel is carried on the back in delustring as described above, it is preferable that the coating layer thickness of the ink absorbing layer is 12-15 μm, the drying temperature of ink absorbing layer is specifically divided into 11 sections, and every section of temperature is respectively 50 DEG C, 70 DEG C, 90 DEG C, 100 DEG C, 110 DEG C, 120 ℃、110℃、100℃、90℃、70℃、50℃。
The preparation method of spray lamp box panel is carried on the back in delustring as described above, it is preferable that the coating layer thickness of the covering layer is 3-5 μ M, the drying temperature of light shield layer are specifically divided into 9 sections, and every section of temperature is respectively 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 90 DEG C, 80 DEG C, 70 ℃、60℃、50℃。
The preparation method of spray lamp box panel is carried on the back in delustring as described above, it is preferable that the white pigment is CaCO3、TiO2、 BaSO4, any one or more of kaolin and talcum powder；
The adhesive is appointing in polyvinyl alcohol, modified polyvinylalcohol, polyacrylate, starch and hydroxymethyl cellulose It is one or more of；
The defoaming agent is any one or several in the alcohol of ethyl alcohol, isopropanol, n-butanol and C7~C9；
The brightening agent is any one or several in CBS-127 type, OB type, KWN type and KSN type.
Delustring as described above carry on the back spray lamp box panel preparation method, it is preferable that sided corona treatment intensity described in S1 be 1.5~ 4.8KW。
Compared with the immediate prior art, technical solution provided by the invention has following excellent effect:
The preparation method of delustring back spray lamp box panel provided by the invention, simple process, PET sheet base pass through sided corona treatment, increase Add chip base surface adhesion force, increase the firmness of ink absorbing layer further through coating cross-linked layer, ink absorbing layer have blotting speed it is fast, Osmotic effect is good, imaging is fine and smooth, color rendition high-fidelity；When the outside of ink absorbing layer is coated with covering layer, and backlight plays lamp again, thoroughly Light is uniform, there is good covering power, impermeable fluorescent tube；In addition, having the lamp piece of extinction layer in chip base front surface coated, lamp piece sheet is strengthened Volume scattering, achievees the purpose that delustring, delustring back spray lamp box panel of the invention to people vision with soft, comfortable, dim effect, The requirement of visual environment-friendly is improved, and improves the anti-shearing force intensity of delustring lamp piece, increases the wearability and resistance to marring of lamp piece.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.Wherein:
Fig. 1 is the structural schematic diagram of the delustring back spray lamp box panel of the embodiment of the present invention；
In figure: 1, piece base；2, extinction layer；3, cross-linked layer；4, ink absorbing layer；5, covering layer.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general Logical technical staff's every other embodiment obtained, shall fall within the protection scope of the present invention.
It is in conjunction with the embodiments next below with reference to the accompanying drawings that the present invention will be described in detail.It should be noted that the case where not conflicting Under, the feature in embodiment and embodiment in the present invention can be combined with each other.
A kind of PET sheet base of delustring back spray lamp box panel provided by the invention passes through sided corona treatment, increases the attachment of piece primary surface Power, the piece base back side increase the firmness of ink absorbing layer by coating cross-linked layer, and ink absorbing layer is fast with blotting speed, infiltration is imitated Fruit is good, imaging is fine and smooth, color rendition high-fidelity；When the outside of ink absorbing layer is coated with covering layer, and backlight plays lamp again, light transmission is equal It is even, there are good covering power, impermeable fluorescent tube；In addition, having the lamp piece of extinction layer in piece base front surface coated, lamp piece ontology is strengthened Scattering, achievees the purpose that delustring, delustring back spray lamp box panel of the invention to people vision with soft, comfortable, dim effect, mention The requirement of high visual environment-friendly.
A kind of preparation method of delustring back spray lamp box panel provided by the invention, comprising the following steps:
S1, piece base 1
Piece base 1 is PET sheet base, sided corona treatment is passed through by PET sheet base, sided corona treatment intensity is 1.5~4.8KW (ratio Such as 1.6KW, 2KW, 2.5KW, 3KW, 3.5KW, 4KW, 4.5KW).
The preparation of S2, extinction layer 2
Extinction layer 2 is coated in 1 front of piece base；In parts by weight, extinction layer 2 include: 6-10 parts of flatting silica (such as 7 parts, 8 parts, 9 parts), 4-8 parts of ethyl acetate (such as 5 parts, 6 parts, 7 parts), 25-30 parts of toluene (such as 26 parts, 27 parts, 28 parts, 29 parts), 1-3 parts of dispersing agent (such as 1 part, 2 parts, 3 parts), 0.5-1.5 parts of levelling agent (such as 0.6 part, 0.8 part, 1 part, 1.3 Part), 0.5-1.5 parts of wetting agent (such as 0.6 part, 0.8 part, 1 part, 1.3 parts)；
Flatting silica is added in ethyl acetate, after high speed dispersion, toluene, dispersing agent, levelling agent, wetting agent is added, with 2500-3500r/min is dispersed with stirring, and after being then allowed to stand 20-40min, filtering obtains extinction layer coating fluid, extinction layer is coated with Liquid is coated on the front of PET sheet base according to certain coating weight, and winding is dried at a temperature of 50-80 DEG C；
In a specific embodiment of the present invention, the coating weight of extinction layer coating fluid is 20-30g/m2, the revolving speed of applicator roll is 30m/min, 2 coating layer thickness of extinction layer are 5-8 μm (such as 5.5 μm, 6 μm, 6.5 μm, 7 μm, 7.5 μm)；
In a specific embodiment of the present invention, 50-80 DEG C of the drying temperature of extinction layer 2 is specifically divided into 7 sections, every section of temperature point It Wei not be 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 70 DEG C, 60 DEG C, 50 DEG C.
The preparation of S3, cross-linked layer 3
Cross-linked layer 3, cross-linked layer 3 are coated in the back side of piece base 1；In parts by weight, cross-linked layer 3 includes: aqueous third 35-45 parts of olefin(e) acid ester (such as 37 parts, 39 parts, 41 parts, 43 parts), 45-55 parts of water (such as 46 parts, 48 parts, 50 parts, 52 parts, 54 Part), 8-12 parts of ethyl alcohol (such as 9 parts, 10 parts, 11 parts, 12 parts), 0.1-0.3 parts of defoaming agent (such as 0.1 part, 0.2 part, 0.3 Part)；
Water-and acrylate is added to the water dissolution, ethyl alcohol and defoaming agent is added, is obtained after dispersion stirring 10-30min Cross-linked layer coating fluid is coated on the back side of PET sheet base 1 by cross-linked layer coating fluid, 110-130 DEG C drying (such as 115 DEG C, 120℃,125℃,130℃)；
In a specific embodiment of the present invention, the coating layer thickness of cross-linked layer 3 be 3-5 μm (such as 3.5 μm, 4 μm, 4.5 μm, 5μm)。
In a specific embodiment of the present invention, the dry weight of the cross-linked layer after drying is 2g/m2。
The preparation of S4, ink absorbing layer 4
Ink absorbing layer 4, ink absorbing layer 4 are coated in the lower section of cross-linked layer 3；In parts by weight, ink absorbing layer 4 includes: adhesive 75-90 parts of slurries (such as 77 parts, 80 parts, 82 parts, 84 parts, 86 parts, 88 parts), 0.5-2 parts of silica (such as 0.6 part, 0.7 Part, 0.9 part, 1.2 parts, 1.5 parts, 1.7 parts, 1.8 parts), 0.5-2 parts of bleeding agent (such as 0.6 part, 0.7 part, 0.9 part, 1.2 parts, 1.5 parts, 1.7 parts, 1.8 parts), 1-3 parts of surfactant (such as 1 part, 2 parts, 3 parts), 0.5-2 parts of defoaming agent (such as 0.6 part, 0.7 part, 0.9 part, 1.2 parts, 1.5 parts, 1.7 parts, 1.8 parts), 0.3-1 parts of brightening agent (such as 0.4 part, 0.5 part, 0.6 part, 0.7 Part, 0.8 part, 0.9 part)；
Silica is added in adhesive slurries, then adds bleeding agent, brightening agent, surfactant and defoaming Agent, 200-500r/min are dispersed with stirring, and are filtered after being uniformly dispersed, and ink absorbing layer coating fluid are obtained after standing 20-30h, by ink absorbing layer Coating fluid below cross-linked layer 3, is wound using blade coating after 50-120 DEG C of drying；
In a specific embodiment of the present invention, the coating layer thickness of ink absorbing layer 4 is 12-15 μm of (such as 13 μm, 13.5 μm, 14 μm, 14.5 μm), the drying temperature of ink absorbing layer 4 is specifically divided into 11 sections, every section of temperature is respectively 50 DEG C, 70 DEG C, 90 DEG C, 100 DEG C, 110℃,120℃,110℃,100℃,90℃,70℃, 50℃.In a specific embodiment of the present invention, the tool of adhesive slurries Preparation are as follows: adhesive is dissolved in the water, stir 20-40min, be then heated to 80-90 DEG C (such as 82 DEG C, 84 DEG C, 85 DEG C, 86 DEG C, 88 DEG C), until the complete flushing of adhesive, is prepared into cementing agent slurries.
The preparation of S5, covering layer 5
Covering layer 5, covering layer 5 are coated in the lower section of ink absorbing layer 4, and in parts by weight, covering layer 5 includes: gelatin 8- 12 parts (such as 9 parts, 10 parts, 11 parts), 250-350 parts of water (such as 260 parts, 270 parts, 280 parts, 290 parts, 300 parts, 310 parts, 320 parts, 330 parts, 340 parts), 50-65 parts of white pigment (such as 52 parts, 55 parts, 58 parts, 61 parts, 64 parts), 1-3 parts of dispersing agent (such as 1 part, 1.5 parts, 2 parts, 2.5 parts), 8-10 parts of adhesive slurries (such as 9 parts, 9.5 parts), 0.05-0.15 parts of brightening agent (such as 0.1 part, 0.13 part, 0.14 part), 0.001-0.002 parts of levelling agent (such as 0.0015 part), nonshrink hole agent 0.1-0.3 Part (such as 0.15 part, 0.2 part, 0.25 part).
S51, dissolution gelatin in water by Gelatin are heated to 60-70 DEG C, impregnate 1-3h, after filtering, for use；
S52, slurry preparation, are added to the water dispersion for white pigment, and dispersing agent is then added and is dispersed with stirring 50-70min, Adhesive slurries are added, continues to be dispersed with stirring 40-60min, obtains slurry；
S53, the slurry in step s52 is added into step s51, and brightening agent, levelling agent and nonshrink hole agent is added, stirred Covering layer coating fluid is obtained after mixing uniformly, is controlled covering layer coating fluid temperature at 35-50 DEG C, is coated with using extrusion nozzle, 50-90 DEG C It is wound after drying；To reach apparent fine and closely woven immaculate, the specification of every volume 30m is cut later, meets requirement.
In a specific embodiment of the present invention, the coating layer thickness of covering layer 5 be 3-5 μm (such as 3.5 μm, 4 μm, 4.5 μm, 5 μm), the drying temperature of light shield layer is specifically divided into 9 sections, and every section of temperature is respectively 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 90 DEG C, 80 ℃、70℃、60℃、50℃。
In a specific embodiment of the present invention, white pigment CaCO3、TiO2、BaSO4, appointing in kaolin and talcum powder It is one or more of；
Adhesive is any one of polyvinyl alcohol, modified polyvinylalcohol, polyacrylate, starch and hydroxymethyl cellulose Or it is several；
Defoaming agent is any one or several in the alcohol of ethyl alcohol, isopropanol, n-butanol and C7~C9；
Brightening agent is any one or several in CBS-127 type, OB type, KWN type and KSN type.
The thickness of entire delustring back spray lamp box panel be generally 180-210 μm (such as 185 μm, 190 μm, 195 μm, 198 μm, 205 μm, 210 μm), preferable extinction effect can be reached, and economical and beautiful, it is preferable that the thickness of delustring lamp piece is generally 198 μm Most preferably.
Embodiment 1
A kind of preparation method of delustring back spray lamp box panel provided in an embodiment of the present invention, comprising the following steps:
S1, piece base 1 are PET sheet base, by PET sheet base 1 by the sided corona treatment of 2.5KW.
The preparation of S2, extinction layer 2 silica 8Kg are added in 6Kg ethyl acetate, on the dispersion machine of high speed shear Decentralized processing is added toluene 28Kg, dispersing agent 2Kg, levelling agent 1Kg, wetting agent 1Kg, is then dispersed with stirring with 2800r/min 40min after being then allowed to stand 30min, is filtered twice using 50um filter, extinction layer coating fluid is obtained, by extinction layer coating fluid According to 20-30g/m2The revolving speed of coating weight, applicator roll is 30m/min, is coated on the front of PET sheet base, in 50-80 DEG C of temperature Lower drying winding, is specifically divided into 7 sections, every section of temperature is respectively 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 70 DEG C, 60 DEG C, 50 DEG C.
The preparation of S3, cross-linked layer 3
39Kg water-and acrylate is added in 50Kg water and is dissolved, 10Kg ethyl alcohol and 0.2Kg defoaming agent are added, is dispersed Cross-linked layer coating fluid is obtained after stirring 20min, cross-linked layer coating fluid is coated on the back side of PET piece base 1,120 DEG C of bakings Dry, the coating layer thickness of drying post-crosslinking layer 3 is 4 μm；
The preparation of S4, ink absorbing layer 4
70Kg water is added in steam heating reactor tank first, 17KgPVA is then added, stirs 30min, is then heated to 85 DEG C, until the complete flushing of PVA, is prepared into cementing agent slurries；Superfine silicon dioxide quality 1Kg is added in adhesive slurries, so After add polyoxyethylated alkyl phenol bleeding agent 1Kg, CBS-127 type brightening agent 0.5Kg, surfactant perfluorinated nonene oxygen Base benzene sulfonic acid sodium salt 2Kg and defoaming agent isopropanol 1Kg, 300r/min are dispersed with stirring 60min, filter after being uniformly dispersed, after standing for 24 hours Ink absorbing layer coating fluid is obtained, ink absorbing layer coating fluid is coated in 3 lower section of cross-linked layer, the drying temperature of ink absorbing layer 4 using blade coating Degree is specifically divided into 11 sections, and every section of temperature is respectively 50 DEG C, 70 DEG C, 90 DEG C, 100 DEG C, 110 DEG C, 120 DEG C, 110 DEG C, 100 DEG C, 90 DEG C, 70 DEG C, 50 DEG C, after drying the coating layer thickness of ink absorbing layer 4 be 13 μm；
The preparation of S5, covering layer 5
S51, dissolution gelatin are heated to 65 DEG C by 9Kg Gelatin in 280Kg water, impregnate 2h, after filtering, for use；
S52, slurry preparation, titanium dioxide 57Kg is added in 57Kg water and is dispersed, and dispersing agent 5040 is then added using high speed Disperse 60min, adds the adhesive slurries 9Kg prepared using same procedure in step S4, continue to be dispersed with stirring 50min, obtain To slurry；
S53, the slurry in step s52 is added into step s51, and CBS-127 type brightening agent 0.1Kg, alkyl is added The aryl sulfonic acid salt form levelling agent 0.001Kg and nonshrink hole agent 0.2Kg of organic silicon, obtains covering layer coating fluid after mixing evenly, Covering layer coating fluid temperature is controlled at 42 DEG C, is coated with using extrusion nozzle, drying temperature is specifically divided into 9 sections, and every section of temperature is respectively 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 90 DEG C, 80 DEG C, 70 DEG C, 60 DEG C, 50 DEG C, wind after drying；To reach apparent fine and closely woven no spot Point is cut the specification of every volume 30m later, meets requirement；5 coating layer thickness of covering layer after drying is 4 μm.
Embodiment 2
A kind of preparation method of delustring back spray lamp box panel provided in an embodiment of the present invention, comprising the following steps:
S1, piece base 1 are PET sheet base, by PET sheet base 1 by the sided corona treatment of 3KW.
The preparation of S2, extinction layer 2 silica 9Kg are added in 7Kg ethyl acetate, on the dispersion machine of high speed shear Toluene 30Kg, dispersing agent 2Kg, levelling agent 1.2Kg, wetting agent 1.3Kg is added in decentralized processing, then with 3000r/min stirring point 40min is dissipated, after being then allowed to stand 35min, is filtered twice using 50um filter, obtains extinction layer coating fluid, extinction layer is coated with Liquid is according to 20-30g/m2The revolving speed of coating weight, applicator roll is 30m/min, is coated on the front of PET sheet base, in 50-80 DEG C of temperature The lower drying winding of degree, is specifically divided into 7 sections, every section of temperature is respectively 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 70 DEG C, 60 DEG C, 50 DEG C.
The preparation of S3, cross-linked layer 3, will 40Kg water-and acrylate be added 50Kg water in dissolve, add 12Kg ethyl alcohol and 0.1Kg defoaming agent, dispersion obtain cross-linked layer coating fluid after stirring 20min, cross-linked layer coating fluid are coated on PET sheet base 1 On the back side, 120 DEG C of drying, the coating layer thickness of drying post-crosslinking layer 3 is 5 μm；
The preparation of S4, ink absorbing layer 4
75Kg water is added in steam heating reactor tank first, 15KgPVA is then added, stirs 30min, is then heated to 85 DEG C, until the complete flushing of PVA, is prepared into cementing agent slurries；Superfine silicon dioxide quality 2Kg is added in adhesive slurries, so After add bleeding agent polyoxyethylene aliphatic alcohol ether 1.5Kg, KWN type brightening agent 0.5Kg, surfactant perfluorinated nonene oxygroup Benzene sulfonic acid sodium salt 2Kg and defoaming agent n-butanol 1Kg, 300r/min are dispersed with stirring 60min, filter after being uniformly dispersed, and stand and obtain afterwards for 24 hours To ink absorbing layer coating fluid, ink absorbing layer coating fluid is coated in 3 lower section of cross-linked layer, the drying temperature of ink absorbing layer 4 using blade coating 11 sections are specifically divided into, every section of temperature is respectively 50 DEG C, 70 DEG C, 90 DEG C, 100 DEG C, 110 DEG C, 120 DEG C, 110 DEG C, 100 DEG C, 90 DEG C, 70 DEG C, 50 DEG C, after drying the coating layer thickness of ink absorbing layer 4 be 13 μm；
The preparation of S5, covering layer 5
S51, dissolution gelatin are heated to 65 DEG C by 9.9Kg Gelatin in 300Kg water, impregnate 2h, after filtering, to With；
S52, slurry preparation, talcum powder 57Kg is added in 57Kg water and is dispersed, and dispersing agent 5040 is then added using high speed Disperse 60min, adds the adhesive slurries 9Kg prepared using same procedure in step S4, continue to be dispersed with stirring 50min, obtain To slurry；
S53, the slurry in step s52 is added into step s51, and KWN type brightening agent 0.1Kg, alkylaryl is added The sulfonate type levelling agent 0.002Kg and nonshrink hole agent 0.2Kg of organic silicon, obtains covering layer coating fluid after mixing evenly, control Covering layer coating fluid temperature is coated at 40 DEG C using extrusion nozzle, and drying temperature is specifically divided into 9 sections, every section of temperature is respectively 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 90 DEG C, 80 DEG C, 70 DEG C, 60 DEG C, 50 DEG C, wind after drying；To reach apparent fine and closely woven immaculate, pass through The specification for cutting every volume 30m afterwards, meets requirement；5 coating layer thickness of covering layer after drying is 3 μm.
Embodiment 3
A kind of preparation method of delustring back spray lamp box panel provided in an embodiment of the present invention, comprising the following steps:
S1, piece base 1 are PET sheet base, by PET sheet base 1 by the sided corona treatment of 4.5KW.
The preparation of S2, extinction layer 2 silica 1 0Kg are added in 8Kg ethyl acetate, on the dispersion machine of high speed shear Toluene 30Kg, dispersing agent 2Kg, levelling agent 1.5Kg, wetting agent 1.3Kg is added in decentralized processing, then with 3000r/min stirring point 40min is dissipated, after being then allowed to stand 35min, is filtered twice using 50um filter, obtains extinction layer coating fluid, extinction layer is coated with Liquid is according to 20-30g/m2The revolving speed of coating weight, applicator roll is 30m/min, is coated on the front of PET sheet base, in 50-80 DEG C of temperature The lower drying winding of degree, is specifically divided into 7 sections, every section of temperature is respectively 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 70 DEG C, 60 DEG C, 50 DEG C.
The preparation of S3, cross-linked layer 3, will 45Kg water-and acrylate be added 50Kg water in dissolve, add 13Kg ethyl alcohol and 0.2Kg defoaming agent, dispersion obtain cross-linked layer coating fluid after stirring 20min, cross-linked layer coating fluid are coated on PET sheet base 1 On the back side, 120 DEG C of drying, the coating layer thickness of drying post-crosslinking layer 3 is 5 μm；
The preparation of S4, ink absorbing layer 4
80Kg water is added in steam heating reactor tank first, 10KgPVA is then added, stirs 30min, is then heated to 85 DEG C, until the complete flushing of PVA, is prepared into cementing agent slurries；Superfine silicon dioxide quality 1Kg is added in adhesive slurries, so After add bleeding agent polyoxyethylated alkyl phenol 1Kg, KWN type brightening agent 1Kg, surfactant perfluorinated nonene oxygroup benzene sulphur Sour sodium 1Kg and defoaming agent n-butanol 1Kg, 400r/min are dispersed with stirring 60min, filter after being uniformly dispersed, and are inhaled after standing 30h Ink absorbing layer coating fluid is coated in 3 lower section of cross-linked layer using blade coating by layer of ink coating fluid, and the drying temperature of ink absorbing layer 4 is specific It is divided into 11 sections, every section of temperature is respectively 50 DEG C, 70 DEG C, 90 DEG C, 100 DEG C, 110 DEG C, 120 DEG C, 110 DEG C, 100 DEG C, 90 DEG C, 70 DEG C, 50 DEG C, after drying the coating layer thickness of ink absorbing layer 4 be 14 μm；
The preparation of S5, covering layer 5
S51, dissolution gelatin are heated to 70 DEG C by 9Kg Gelatin in 270Kg water, impregnate 2.5h, after filtering, to With；
S52, slurry preparation, titanium dioxide 55Kg is added in 55Kg water and is dispersed, and dispersing agent 5040 is then added using high speed Disperse 60min, adds the adhesive slurries 10Kg prepared using same procedure in step S4, continue to be dispersed with stirring 60min, obtain To slurry；
S53, the slurry in step s52 is added into step s51, and KWN type brightening agent 0.1Kg, alkylaryl is added The sulfonate type levelling agent 0.002Kg and nonshrink hole agent 0.2Kg of organic silicon, obtains covering layer coating fluid after mixing evenly, control Covering layer coating fluid temperature is coated at 40 DEG C using extrusion nozzle, and drying temperature is specifically divided into 9 sections, every section of temperature is respectively 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 90 DEG C, 80 DEG C, 70 DEG C, 60 DEG C, 50 DEG C, wind after drying；To reach apparent fine and closely woven immaculate, pass through The specification for cutting every volume 30m afterwards, meets requirement；5 coating layer thickness of covering layer after drying is 5 μm.
Embodiment 4
A kind of preparation method of delustring back spray lamp box panel provided in an embodiment of the present invention, comprising the following steps:
S1, piece base 1 are PET sheet base, by PET sheet base 1 by the sided corona treatment of 4.8KW.
The preparation of S2, extinction layer 2 silica 1 0Kg are added in 8Kg ethyl acetate, on the dispersion machine of high speed shear Toluene 30Kg, dispersing agent 2Kg, levelling agent 1.3Kg, wetting agent 1.5Kg is added in decentralized processing, then with 3500r/min stirring point 40min is dissipated, after being then allowed to stand 30min, is filtered twice using 50um filter, obtains extinction layer coating fluid, extinction layer is coated with Liquid is according to 20-30g/m2The revolving speed of coating weight, applicator roll is 30m/min, is coated on the front of PET sheet base, in 50-80 DEG C of temperature The lower drying winding of degree, is specifically divided into 7 sections, every section of temperature is respectively 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 70 DEG C, 60 DEG C, 50 DEG C.
The preparation of S3, cross-linked layer 3, will 43Kg water-and acrylate be added 50Kg water in dissolve, add 12Kg ethyl alcohol and 0.1Kg defoaming agent, dispersion obtain cross-linked layer coating fluid after stirring 20min, cross-linked layer coating fluid are coated on PET sheet base 1 On the back side, 120 DEG C of drying, the coating layer thickness of drying post-crosslinking layer 3 is 3 μm.
The preparation of S4, ink absorbing layer 4
70Kg water is added in steam heating reactor tank first, 15Kg starch is then added, stirs 30min, then heats To 85 DEG C, until the complete flushing of starch, is prepared into cementing agent slurries；Superfine silicon dioxide quality 2Kg is added in adhesive slurries, Then add bleeding agent polyoxyethylene aliphatic alcohol ether 2Kg, OB type brightening agent 0.5Kg, surfactant perfluorinated nonene oxygroup Benzene sulfonic acid sodium salt 2Kg and defoaming agent isopropanol 1Kg, 300r/min are dispersed with stirring 60min, filter after being uniformly dispersed, and stand and obtain afterwards for 24 hours To ink absorbing layer coating fluid, ink absorbing layer coating fluid is coated in 3 lower section of cross-linked layer, the drying temperature of ink absorbing layer 4 using blade coating 11 sections are specifically divided into, every section of temperature is respectively 50 DEG C, 70 DEG C, 90 DEG C, 100 DEG C, 110 DEG C, 120 DEG C, 110 DEG C, 100 DEG C, 90 DEG C, 70 DEG C, 50 DEG C, after drying the coating layer thickness of ink absorbing layer 4 be 14 μm.
The preparation of S5, covering layer 5
S51, dissolution gelatin are heated to 65 DEG C by 8Kg Gelatin in 250Kg water, impregnate 2h, after filtering, for use；
S52, slurry preparation, calcium carbonate 60Kg is added in 60Kg water and is dispersed, and dispersing agent 5040 is then added using high speed Disperse 60min, adds the adhesive slurries 10Kg prepared using same procedure in step S4, continue to be dispersed with stirring 50min, obtain To slurry；
S53, the slurry in step s52 is added into step s51, and OB type brightening agent 0.1Kg, alkylaryl sulphur is added The hydrochlorate type levelling agent 0.001Kg and nonshrink hole agent 0.1Kg of organic silicon, obtains covering layer coating fluid after mixing evenly, and control hides Cap rock coating fluid temperature is coated at 40 DEG C using extrusion nozzle, and drying temperature is specifically divided into 9 sections, and every section of temperature is respectively 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 90 DEG C, 80 DEG C, 70 DEG C, 60 DEG C, 50 DEG C, wound after drying；To reach apparent fine and closely woven immaculate, through later The specification for cutting every volume 30m, meets requirement；5 coating layer thickness of covering layer after drying is 3 μm.
Embodiment 5
A kind of preparation method of delustring back spray lamp box panel provided in an embodiment of the present invention, comprising the following steps:
S1, piece base 1 are PET sheet base, by PET sheet base 1 by the sided corona treatment of 3KW.
The preparation of S2, extinction layer 2 silica 8Kg are added in 8Kg ethyl acetate, on the dispersion machine of high speed shear Toluene 25Kg, dispersing agent 2Kg, levelling agent 1.3Kg, wetting agent 1.5Kg is added in decentralized processing, then with 2500r/min stirring point 40min is dissipated, after being then allowed to stand 35min, is filtered twice using 50um filter, obtains extinction layer coating fluid, extinction layer is coated with Liquid is according to 20-30g/m2The revolving speed of coating weight, applicator roll is 30m/min, is coated on the front of PET sheet base, in 50-80 DEG C of temperature The lower drying winding of degree, is specifically divided into 7 sections, every section of temperature is respectively 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 70 DEG C, 60 DEG C, 50 DEG C.
The preparation of S3, cross-linked layer 3, will 35Kg water-and acrylate be added 45Kg water in dissolve, add 10Kg ethyl alcohol and 0.1Kg defoaming agent, dispersion obtain cross-linked layer coating fluid after stirring 20min, cross-linked layer coating fluid are coated on PET sheet base 1 On the back side, 130 DEG C of drying, the coating layer thickness of drying post-crosslinking layer 3 is 4 μm.
The preparation of S4, ink absorbing layer 4
70Kg water is added in steam heating reactor tank first, 15Kg modified polyvinylalcohol is then added, stirs 30min, 85 DEG C are then heated to, until the complete flushing of modified polyvinylalcohol, is prepared into cementing agent slurries；It is added in adhesive slurries ultra-fine Then silica quality 1Kg adds bleeding agent polyoxyethylene aliphatic alcohol ether 0.5Kg, OB type brightening agent 0.5Kg, surface is lived Property agent perfluorinated nonene oxygroup benzene sulfonic acid sodium salt 2Kg and defoaming agent isopropanol 1Kg, 400r/min are dispersed with stirring 60min, are uniformly dispersed After filter, stand 30h after obtain ink absorbing layer coating fluid, by ink absorbing layer coating fluid using blade coating be coated in cross-linked layer 3 under Side, the drying temperature of ink absorbing layer 4 are specifically divided into 11 sections, every section of temperature is respectively 50 DEG C, 70 DEG C, 90 DEG C, 100 DEG C, 110 DEG C, 120 DEG C, 110 DEG C, 100 DEG C, 90 DEG C, 70 DEG C, 50 DEG C, the coating layer thickness of ink absorbing layer 4 is 14 μm after drying.
The preparation of S5, covering layer 5
S51, dissolution gelatin are heated to 65 DEG C by 11Kg Gelatin in 310Kg water, impregnate 2h, after filtering, to With；
S52, slurry preparation, kaolin 62Kg is added in 62Kg water and is dispersed, and dispersing agent 5040 is then added using high speed Disperse 60min, adds the adhesive slurries 10Kg prepared using same procedure in step S4, continue to be dispersed with stirring 50min, obtain To slurry；
S53, the slurry in step s52 is added into step s51, and OB type brightening agent 0.1Kg, alkylaryl sulphur is added The hydrochlorate type levelling agent 0.002Kg and nonshrink hole agent 0.1Kg of organic silicon, obtains covering layer coating fluid after mixing evenly, and control hides Cap rock coating fluid temperature is coated at 40 DEG C using extrusion nozzle, and drying temperature is specifically divided into 9 sections, and every section of temperature is respectively 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 90 DEG C, 80 DEG C, 70 DEG C, 60 DEG C, 50 DEG C, wound after drying；To reach apparent fine and closely woven immaculate, through later The specification for cutting every volume 30m, meets requirement；5 coating layer thickness of covering layer after drying is 5 μm.
Embodiment 6
A kind of preparation method of delustring back spray lamp box panel provided in an embodiment of the present invention, comprising the following steps:
S1, piece base 1 are PET sheet base, by PET sheet base 1 by the sided corona treatment of 4.2KW.
The preparation of S2, extinction layer 2 silica 7Kg are added in 8Kg ethyl acetate, on the dispersion machine of high speed shear Toluene 25Kg, dispersing agent 3Kg, levelling agent 1.4Kg, wetting agent 1.5Kg is added in decentralized processing, then with 2500r/min stirring point 40min is dissipated, after being then allowed to stand 35min, is filtered twice using 50um filter, obtains extinction layer coating fluid, extinction layer is coated with Liquid is according to 20-30g/m2The revolving speed of coating weight, applicator roll is 30m/min, is coated on the front of PET sheet base, in 50-80 DEG C of temperature The lower drying winding of degree, is specifically divided into 7 sections, every section of temperature is respectively 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 70 DEG C, 60 DEG C, 50 DEG C.
The preparation of S3, cross-linked layer 3, will 38Kg water-and acrylate be added 50Kg water in dissolve, add 11Kg ethyl alcohol and 0.2Kg defoaming agent, dispersion obtain cross-linked layer coating fluid after stirring 20min, cross-linked layer coating fluid are coated on PET sheet base 1 On the back side, 130 DEG C of drying, the coating layer thickness of drying post-crosslinking layer 3 is 4 μm.
The preparation of S4, ink absorbing layer 4
75Kg water is added in steam heating reactor tank first, 15Kg modified polyvinylalcohol is then added, stirs 30min, 85 DEG C are then heated to, until the complete flushing of modified polyvinylalcohol, is prepared into cementing agent slurries；It is added in adhesive slurries ultra-fine Then silica quality 2Kg adds bleeding agent polyoxyethylene aliphatic alcohol ether 1Kg, KWN type brightening agent 0.5Kg, surface-active Agent perfluorinated nonene oxygroup benzene sulfonic acid sodium salt 2Kg and defoaming agent ethyl alcohol 1Kg, 400r/min are dispersed with stirring 60min, mistake after being uniformly dispersed Filter obtains ink absorbing layer coating fluid after standing 30h, and ink absorbing layer coating fluid is coated in 3 lower section of cross-linked layer using blade coating, is inhaled The drying temperature of layer of ink 4 is specifically divided into 11 sections, every section of temperature is respectively 50 DEG C, 70 DEG C, 90 DEG C, 100 DEG C, 110 DEG C, 120 DEG C, 110 DEG C, 100 DEG C, 90 DEG C, 70 DEG C, 50 DEG C, the coating layer thickness of ink absorbing layer 4 is 14 μm after drying.
The preparation of S5, covering layer 5
S51, dissolution gelatin are heated to 65 DEG C by 10Kg Gelatin in 310Kg water, impregnate 2h, after filtering, to With；
S52, slurry preparation, titanium dioxide 60Kg is added in 60Kg water and is dispersed, and dispersing agent 5040 is then added using high speed Disperse 60min, adds the adhesive slurries 10Kg prepared using same procedure in step S4, continue to be dispersed with stirring 50min, obtain To slurry；
S53, the slurry in step s52 is added into step s51, and KWN type brightening agent 0.15Kg, alkyl virtue is added The base sulfonate type levelling agent 0.002Kg and nonshrink hole agent 0.3Kg of organic silicon, obtains covering layer coating fluid after mixing evenly, control Covering layer coating fluid temperature processed is coated at 40 DEG C using extrusion nozzle, and drying temperature is specifically divided into 9 sections, and every section of temperature is respectively 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 90 DEG C, 80 DEG C, 70 DEG C, 60 DEG C, 50 DEG C, wound after drying；To reach apparent fine and closely woven immaculate, Later the specification for being cut every volume 30m, meets requirement；5 coating layer thickness of covering layer after drying is 4 μm.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification, Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of delustring back spray lamp box panel, which is characterized in that the delustring back sprays lamp box panel and includes:
Piece base, described base are PET sheet base；
Extinction layer, the extinction layer are arranged in described base front；In parts by weight, the extinction layer includes such as the following group Point: 6-10 parts of flatting silica, 4-8 parts of ethyl acetate, 25-30 parts of toluene, 1-3 parts of dispersing agent, 0.5-1.5 parts of levelling agent, wetting agent 0.5-1.5 parts；
The back side of described base is arranged in cross-linked layer, the cross-linked layer；In parts by weight, the cross-linked layer includes as follows Component: 35-45 parts of water-and acrylate, 45-55 parts of water, 8-12 parts of ethyl alcohol, 0.1-0.3 parts of defoaming agent；
The lower section of the cross-linked layer is arranged in ink absorbing layer, the ink absorbing layer；In parts by weight, the ink absorbing layer includes as follows Component: 75-90 parts of adhesive slurries, 0.5-2 parts of silica, 0.5-2 parts of bleeding agent, 1-3 parts of surfactant, defoaming agent 0.5-2 parts, 0.3-1 parts of brightening agent；
The lower section of the ink absorbing layer is arranged in covering layer, the covering layer, and in parts by weight, the covering layer includes as follows Component: 8-12 parts of gelatin, 50-65 parts of white pigment, 1-3 parts of dispersing agent, 8-10 parts of adhesive slurries, brightens 250-350 parts of water 0.05-0.15 parts of agent, 0.001-0.002 parts of levelling agent, 0.1-0.3 parts of nonshrink hole agent.
2. a kind of preparation method of delustring back spray lamp box panel as described in claim 1, which is characterized in that the preparation method packet It includes:
S1, piece base
Sided corona treatment is passed through by PET sheet base；
The preparation of S2, extinction layer
Flatting silica is added in ethyl acetate, after high speed dispersion, toluene, dispersing agent, levelling agent, wetting agent is added, with 2500- The speed of 3500r/min is dispersed with stirring, and after being then allowed to stand 20-40min, filtering obtains extinction layer coating fluid, extinction layer is coated with Liquid is coated on the front of PET sheet base according to certain coating weight, is wound after drying at a temperature of 50-80 DEG C；
The preparation of S3, cross-linked layer
Water-and acrylate is added to the water dissolution, ethyl alcohol and defoaming agent is added, is crosslinked after dispersion stirring 10-30min Layer coating fluid, cross-linked layer coating fluid is coated on the back side of PET sheet base, is wound after 110-130 DEG C of drying；
The preparation of S4, ink absorbing layer
Silica is added in adhesive slurries, then adds bleeding agent, brightening agent, surfactant and defoaming agent, 200-500r/min is dispersed with stirring, and is filtered after being uniformly dispersed, and obtains ink absorbing layer coating fluid after standing 20-30h, ink absorbing layer is coated with Liquid below cross-linked layer, is wound using blade coating after 50-120 DEG C of drying；
The preparation of S5, covering layer
S51, dissolution gelatin in water by Gelatin are heated to 60-70 DEG C, impregnate 1-3h, after filtering, for use；
S52, slurry preparation, are added to the water dispersion for white pigment, and dispersing agent is then added and is dispersed with stirring 50-70min, adds Adhesive slurries continue to be dispersed with stirring 40-60min, obtain slurry；
S53, the slurry in step s52 is added into step s51, and brightening agent, levelling agent and nonshrink hole agent is added, stirring is equal Covering layer coating fluid is obtained after even, is controlled covering layer coating fluid temperature at 35-50 DEG C, is coated with using extrusion nozzle, 50-90 DEG C of drying After wind.
3. the preparation method of delustring back spray lamp box panel as claimed in claim 2, which is characterized in that adhesive described in step S4 Slurries specific stirs 20-40min, 80-90 DEG C is then heated to, until gluing the preparation method comprises the following steps: adhesive is dissolved in the water The complete flushing of agent, is prepared into cementing agent slurries.
4. the preparation method of delustring back spray lamp box panel as claimed in claim 2, which is characterized in that in step S2, the delustring The coating weight of layer coating fluid is 20-30g/m2, the revolving speed of applicator roll is 30m/min, and extinction layer coating layer thickness is 5-8 μm.
5. the preparation method of delustring back spray lamp box panel as claimed in claim 2, which is characterized in that in step S2, the delustring Layer drying temperature is 50-80 DEG C, is specifically divided into 7 sections, every section of temperature is respectively 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 70 DEG C, 60 DEG C, 50℃。
6. the preparation method of delustring back spray lamp box panel as claimed in claim 2, which is characterized in that the painting thickness of the cross-linked layer Degree is 3-5 μm.
7. the preparation method of delustring back spray lamp box panel as claimed in claim 2, which is characterized in that the painting thickness of the ink absorbing layer Degree is 12-15 μm, and the drying temperature of ink absorbing layer is specifically divided into 11 sections, every section of temperature is respectively 50 DEG C, 70 DEG C, 90 DEG C, 100 DEG C, 110℃、120℃、110℃、100℃、90℃、70℃、50℃。
8. the preparation method of delustring back spray lamp box panel as claimed in claim 2, which is characterized in that the painting thickness of the covering layer Degree is 3-5 μm, and the drying temperature of light shield layer is specifically divided into 9 sections, every section of temperature is respectively 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, 90 DEG C, 80℃、70℃、60℃、50℃。
9. the preparation method of delustring as claimed in claim 3 back spray lamp box panel, which is characterized in that the white pigment is CaCO3、TiO2、BaSO4, any one or more of kaolin and talcum powder；
The adhesive is any one of polyvinyl alcohol, modified polyvinylalcohol, polyacrylate, starch and hydroxymethyl cellulose Or it is several；
The defoaming agent is any one or several in the alcohol of ethyl alcohol, isopropanol, n-butanol and C7~C9；
The brightening agent is any one or several in CBS-127 type, OB type, KWN type and KSN type.
10. the preparation method of delustring back spray lamp box panel as claimed in claim 2, which is characterized in that corona described in step S1 Processing intensity is 1.5~4.8KW.
CN201910630224.3A 2019-07-12 2019-07-12 A kind of delustring back spray lamp box panel and preparation method thereof Pending CN110305355A (en)

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Application Number Priority Date Filing Date Title
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007216611A (en) * 2006-02-20 2007-08-30 Nippon Purai Kk Mat tone film
CN101078492A (en) * 2007-06-13 2007-11-28 张永宏 Back spray lamp
CN106626860A (en) * 2016-10-13 2017-05-10 郑州佳丽数码科技材料有限公司 Protection film translucent sanding piece and preparation method thereof
CN206207378U (en) * 2016-08-29 2017-05-31 潍坊恒彩数码影像材料有限公司 A kind of water proof lamp piece

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007216611A (en) * 2006-02-20 2007-08-30 Nippon Purai Kk Mat tone film
CN101078492A (en) * 2007-06-13 2007-11-28 张永宏 Back spray lamp
CN206207378U (en) * 2016-08-29 2017-05-31 潍坊恒彩数码影像材料有限公司 A kind of water proof lamp piece
CN106626860A (en) * 2016-10-13 2017-05-10 郑州佳丽数码科技材料有限公司 Protection film translucent sanding piece and preparation method thereof

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Application publication date: 20191008