CN104449112A - Coating adhesive for medical laser printing film and printing medium - Google Patents
Coating adhesive for medical laser printing film and printing medium Download PDFInfo
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- CN104449112A CN104449112A CN201410767947.5A CN201410767947A CN104449112A CN 104449112 A CN104449112 A CN 104449112A CN 201410767947 A CN201410767947 A CN 201410767947A CN 104449112 A CN104449112 A CN 104449112A
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- coating adhesive
- agent
- laser printing
- medical laser
- printing film
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
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- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting paints
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention provides a coating adhesive for a medical laser printing film. Every 10000 square meters of the coating adhesive comprises the following components: 30kg of silica powder, 130kg of 10 percent (g/g) of polyvinyl alcohol, 4kg of a coloring agent, 90kg of emulsion, 7kg of 10 percent (g/g) of a wetting agent, 10kg of 8 percent (g/g) of a surfactant, 7kg of 10 percent (g/g) of a water retention agent, 3kg of 10 percent (g/g) of antistatic fluid, 25kg of 10 percent (g/g) of a film protecting agent and 0.74kg of 10 percent (g/g) of an acidity regulator, wherein the pH value of the coating adhesive is in a range from 8 to 10. According to the coating disclosed by the invention, the color density of an image printed onto the film can be improved, so that the image is layered, and a doctor easily makes diagnosis by virtue of the image.
Description
Technical field
The present invention relates to a kind of medical laser print media thing, belong to medical instruments field.
Background technology
Laser Printing mode because its print speed fast, stable picture and text quality and being widely used.The market demand of the Laser Printing material exported for medical picture and text is larger.According to statistics, nearest several years for medical picture and text (color ultrasound, B ultrasonic) export domestic market capacity more than 1,000 ten thousand square meters/year.
Initial medical imaging market generally adopts Medical ink jet output medium to come for medical laser print system, but there is the high problem with not being applicable to low temperature printer of cost in Medical ink jet output medium, have developed the output medium being specifically designed to Laser Printing in nearly one or two years.Print media thing generally comprises has at least one deck printable layer at least one surface thereof.
Because the requirement of medical diagnosis to image not only will have higher sharpness, and require that image has stronger gradation sense, but the problem that existing printing film ubiquity gradation sense is not strong.
Summary of the invention
For solving the problem, the invention provides a kind of medical laser and print coating adhesive, it can increase medical printing film gradation sense.
Present invention employs following technical scheme:
A coating adhesive for medical laser printing film, is characterized in that, in the coating adhesive of every 10,000 square meters, comprises following component:
The acidity regulator of the polyvinyl alcohol of the SiO 2 powder of 30 kilograms, 10% concentration of 130 kilograms, the tinting material of 4 kilograms, the emulsion of 90 kilograms, the wetting agent of 10% concentration of 7 kilograms, the tensio-active agent of 10 kilogram of 8% concentration, the water-holding agent of 7 kilogram of 10% concentration, the anti-static liquid of 3 kilogram of 10% concentration, the protecting coat agent of 25 kilogram of 10% concentration and 0.74 kilogram of 10% concentration, the pH value of coating adhesive is in the scope of 8-10.
In addition, the coating adhesive of medical laser printing film provided by the present invention, can also have such feature:
Wherein, tinting material is the composition of any one or at least two kinds in the pigment dyestuffs such as phthalein blue or green system, quinacridone, dioxazines, isoindolinone.
In addition, the coating adhesive of medical laser printing film provided by the present invention, can also have such feature:
Wherein, emulsion is the composition of any one or at least two kinds in emulsion polymerized styrene butadiene rubber, polyacrylate dispersion, venamul.
In addition, the coating adhesive of medical laser printing film provided by the present invention, can also have such feature:
Wherein, wetting agent be surface tension little and can be miscible with water solvent, be the composition of any one in ethanol, propylene glycol, glycerine, dimethyl sulfoxide (DMSO) or at least two kinds.
In addition, the coating adhesive of medical laser printing film provided by the present invention, can also have such feature:
Wherein, tensio-active agent is any one in anion surfactant, EPE polyol EPE and nonionic surface active agent,
Aniorfic surfactant is any one in alkyl-sulphate, sulfonate, lipid acid, fatty acid ester vitriol, carboxylic soap class and phosphoric acid ester; EPE polyol EPE is spans or the agent of Tweens superficiality; Nonionic surface active agent is any one in polyxyethylated alkylphenol, polyoxyethylene aliphatic alcohol ether and polyoxyethylene polyoxypropylene block copolymer.
In addition, the coating adhesive of medical laser printing film provided by the present invention, can also have such feature:
Wherein, water-holding agent adopts acrylamide-acrylicacid salt crosslinking copolymerization thing or starch grafted acrylate crosslinking copolymerization thing.
In addition, the coating adhesive of medical laser printing film provided by the present invention, can also have such feature:
Wherein, acidity regulator is the mixture of any one or at least two kinds in ammoniacal liquor, sodium bicarbonate, sodium hydroxide, potassium hydroxide, nitric acid, acetate and hydrochloride.
Another object of the present invention is to provide a kind of print media thing, it is characterized in that, comprising:
Base sheet, and
At least one deck by the coating adhesive as any one in claim 1-7 be coated on base sheet the printable layer that formed.
Another object of the present invention is to provide a kind of method preparing coating adhesive as claimed in claim 1, it is characterized in that, comprises the following steps:
Step one, adds 5 times to the water of other component cumulative volume in high-shear dispersion pot;
Step 2, Xiang Shuizhong adds SiO 2 powder, opens high-shear dispersion pot, is stirred to SiO 2 powder and is uniformly dispersed in water, form the first mixed solution;
Step 3, adds emulsion, is stirred to and is uniformly dispersed in the first mixed solution, forms the second mixed solution;
Step 4, then adds polyvinyl alcohol, tinting material, wetting agent, tensio-active agent, water-holding agent, anti-static liquid, protecting coat agent and acidity regulator in certain sequence in the second mixed solution, and mixes and obtain the 3rd mixed solution;
Step 5, is applied to the 3rd mixed solution on substrate and drying forms coating adhesive after dewatering,
Material added than water in above steps all adds in proportion according to the weight in claim 1.
Invention effect and effect
According to the coating adhesive of medical laser printing film of the present invention, in coating adhesive due to every 10,000 square meters, comprise following component: the SiO 2 powder of 30 kilograms, the polyvinyl alcohol of 10% concentration of 130 kilograms, the tinting material of 4 kilograms, the emulsion of 90 kilograms, the wetting agent of 10% concentration of 7 kilograms, the tensio-active agent of 10 kilogram of 8% concentration, the water-holding agent of 7 kilogram of 10% concentration, the anti-static liquid of 3 kilogram of 10% concentration, the protecting coat agent of 25 kilogram of 10% concentration, and the acidity regulator of 0.74 kilogram of 10% concentration, and the pH value of coating adhesive is in the scope of 8-10, therefore, the image color density printed on film can be made to improve, thus image is more had levels sense, doctor is made to be easier to be diagnosed by image.
Embodiment
Below the specific embodiment of the present invention is described
The coating adhesive of medical laser printing film of the present invention comprises following component: SiO 2 powder, polyvinyl alcohol, tinting material, emulsion, wetting agent, tensio-active agent, water-holding agent, anti-static liquid, protecting coat agent, acidity regulator.The consumption of concrete formula and each component is in table 1
Table 1 is filled a prescription and is formed:
Make this working method to comprise the following steps:
Step one, adds 5 times to the water of other component cumulative volume in high-shear dispersion pot;
Step 2, Xiang Shuizhong adds SiO 2 powder, opens high-shear dispersion pot, is stirred to SiO 2 powder and is uniformly dispersed in water, form the first mixed solution;
Step 3, adds emulsion, is stirred to and is uniformly dispersed in the first mixed solution, forms the second mixed solution;
Step 4, then adds polyvinyl alcohol, tinting material, wetting agent, tensio-active agent, water-holding agent, anti-static liquid, protecting coat agent and acidity regulator in certain sequence in the second mixed solution, and mixes and obtain the 3rd mixed solution;
Step 5, is applied to the 3rd mixed solution on substrate and drying forms coating adhesive after dewatering,
Material added than water in above steps all adds in proportion according to the weight in claim 1.
The process of disperseing in step 2 reaches finely dispersed effect, one preferably embodiment be dispersion 1 hour.
In a preferred embodiment, in step 4, first can add tinting material, disperse 1 hour, then stirring at low speed 2 hours.
Whipping process in preparation process is noted keeping the temperature of dispersion liquid between 40-55 DEG C.Preparation terminates the viscosity of rear measurement dispersion liquid.
Tinting material can adopt the pigment dyestuffs such as phthalein blue or green system, quinacridone, dioxazines, isoindolinone; Emulsion can adopt emulsion polymerized styrene butadiene rubber, polyacrylate dispersion, venamul etc.; Wetting agent adopt surface tension little and can be miscible with water solvent, comprise ethanol, propylene glycol, glycerine, dimethyl sulfoxide (DMSO) etc.Tensio-active agent can adopt as anion surfactant, some EPE polyol EPE (spans, Tweens), polyoxyethylene-type surfactant.Aniorfic surfactant comprises alkyl-sulphate, sulfonate, lipid acid or fatty acid ester vitriol, carboxylic soap class, phosphoric acid ester etc.Nonionic surface active agent comprises polyxyethylated alkylphenol, polyoxyethylene aliphatic alcohol ether, polyoxyethylene polyoxypropylene block copolymer etc.; Water-holding agent is divided into two large classes, and a class is acrylamide-acrylicacid salt crosslinking copolymerization thing (polyacrylamide, sodium polyacrylate, polyacrylic acid potassium, ammonium polyacrylate etc.); Another kind of is starch grafted acrylate crosslinking copolymerization thing (starch grafted acrylate), anti-static liquid (U.S. ACL), protecting coat agent (-(-O-Si (CH3) 2-)-), acidity regulator can adopt ammoniacal liquor, sodium bicarbonate, sodium hydroxide, potassium hydroxide, nitric acid, acetic acid, hydrochloric acid etc.
The additive of blending can comprise pigment, dyestuff, sterilant, sterilant, ionogen, buffer reagent, UV light absorber, antioxidant and chain-transfer agent.
Hydrophilic organic polymer and lightly crosslinked hydrogel such as polyvinylpyrrolidone and the multipolymer containing vinyl pyrrolidone can also be added in coating adhesive of the present invention, PEOz is with the multipolymer of Han oxazoline, containing the polymkeric substance of imidazoles, polyacrylamide and the multipolymer containing acrylamide, poly-(vinyl alcohol) and the multipolymer containing ethene-ol, poly-(vinyl methyl ether), poly-(ethyl vinyl ether), poly-(oxyalkylene), gelatinum, ether of cellulose, poly-(vinyl acetamide), poly-(vinyl-acetic ester/vinyl alcohol) of partial hydrolysis, poly-(vinylformic acid), the polyester of sulfonation or phosphorylation and polystyrene type, casein, albumin, chitin, chitosan, dextran, pectin, collagen derivative, collodion, agar, arrowroot, guar gum, carrageenin, tragacanth gum, xanthan gum, Natvosol, hydroxy propyl cellulose, Vltra tears, methylcellulose gum, polyoxygenated alkene, polyurethane dispersible with water.The mixture of above-mentioned listed hydrophilic polymer can be adopted.
This polymeric binder is that hydrophilic polymer presses against alkane ketone copolymers as polyvinylpyrrolidone with containing vinylpyridine, PEOz is with Han oxazoline multipolymer, containing imidazoles polymkeric substance, polyacrylamide and containing acrylamide copolymer, polyvinyl alcohol and containing vinylalcohol copolymer, polyvinylmethyl ethers, polyvinyl ethyl ether, polyoxyalkylene, gelatinum, ether of cellulose, PVAA, the polyvinyl acetate of partial hydrolysis or polyvinyl alcohol, polyacrylic acid, sulfonation or phosphorylation polyester and polystyrene, casein, albumin, chitin, chitosan, dextran, pectin, collagen derivative, collodion, agar, arrowroot, guar gum, carrageenin, tragacanth gum, xanthan gum, sandlwood glue.In another preferred embodiment of the present invention, this hydrophilic polymer is Natvosol, hydroxy propyl cellulose, Vltra tears, methylcellulose gum, polyoxyalkylene.
In another preferred embodiment of the present, this polymeric binder is a kind of emulsion, such as polystyrene-altogether-multipolymer of divinyl, polyurethane, polyester, polyacrylate, polymethacrylate, a kind of n-butylacrylate and ethyl propenoate and the multipolymer of a kind of vinylacetate and n-butylacrylate.In another preferred embodiment again, this tackiness agent can be a kind of condenses or other metal-sol such as alumina sol, TiO 2 sol or zirconia sol of organoalkoxysilane.The mixture of above listed hydrophilic polymer can be adopted.
Polymer binder quantity used should form enough bond strengths to printing vehicle.In a preferred embodiment of the invention, the content of this polymer binder in whole coating adhesive weight is 5-50 % by weight, and most preferably its quantity is the 10-25 % by weight of each layer.
The total thickness of coating adhesive can at 5-100 micrometer range, preferred 10-50 micron.Each layer can have different thickness each other.But, it is preferred that the superiors are thinner relative to lower level.The superiors' preferred thickness is 1-20 micron, more preferably 1-10 micron.
For obtaining suitable coating performance, rheology modifiers can be applied as thickening material or polymkeric substance.Comprise: associative thickeners, if the emulsion of the Natvosol of hydrophobically modified, the alkali-soluble of hydrophobically modified or alkali swellability, the ethylene oxide urethane block copolymer of hydrophobically modified are as Rohm & amp; The trade mark that the trade mark that Elaas provides is called Acusol and DOW Chemical to be provided is called the product of Polyphobe; Non-associative thickeners is as Natvosol, Vltra tears, sodium carboxy methyl cellulose, xanthan gum, guar gum and carrageenin.
Lubricant comprises, polyethylene, silicone wax, natural wax as palm wax, tetrafluoroethylene, fluorinated ethylene propylene, polysiloxane oils such as dimethione, fluoridize rear siloxanes, functionalized silicone, stearate, polyethylene stearates, fatty acid salt, and perfluor ethers.Moisture or the anhydrous dispersion of submicron-scale paraffin particulate comprises mutually: the polyolefine of disperse phase, polypropylene, polyethylene, high density polyethylene(HDPE), Microcrystalline Wax, paraffin, natural wax such as carnauba wax, carry out Chemical Corporation of America (Chemcor) freely, Inc., the synthesis paraffin of the companies such as Michelman Inc., Shamrock Technologies Inc. and Daniel ProductsCompany.
For obtaining suitable coating performance, add tensio-active agent.Tensio-active agent comprises, non-ionic fluorinated alkyl esters, such as by FC-430, FC-43I, FC-10, FC-171 of 3M sold, Zonyl series fluorosurfactants chemical such as Zonyl-FSN, Zonyl-FTS, Zonyl-TES, Zonyl-BA of being sold by E.I.Du Pont Company, by other fluorinated polymer or the multipolymer such as Modiper F600 of NOF sold, the DC1248 of polysiloxane such as Dow Corning company, DC200, DC510, DC190 and the BYK320 sold by BYK Chomie, BYK322, with the SF1079 by General Electric sold, SF1023, SF1054 and SF1080, with the Sitwet polymkeric substance by Union Carbide sold, polyoxyethylene-lauryl ether tensio-active agent, sorbitan monolaurate, the Span tensio-active agent that cetylate and stearate are such as sold by Aldrich, the Pluronic series that poly-(ethylene oxide-altogether-propylene oxide) tensio-active agent is such as sold by BASF, and other tensio-active agent containing polyoxyethylene is such as by the TritonX series of Union Carbide sold, ionogenic surfactant, the Alkanol series of such as being sold by E.I.Du Pont Company, with the Dowfax series by Dow Chemical sold.
Coating adhesive also can add linking agent.The reactive functional groups of linking agent can react with concrete chemical substance in tackiness agent.Such as can eat can be crosslinked with being imbued with lewis base property functional group linking agent comprise: carbodiimide, multivalent metal cation, organic isocyanate is as tetramethylene diisocyanate, hexamethylene diisocyanate, two isocyanide acyl dimethyl cyclohexanes, dicyclohexyl methane diisocyanate, isoflurane chalcone diisocyanate, Xylene Diisocyanate, methylcyclohexylidene vulcabond, lysinediisocyanate, toluenediisocyanate, diphenylmethane diisocyanate salt, aziridine is US.4 such as, 225, pointed by 665, the Xama-7 that ethyliminum is such as sold by EIT Industries, blocked isocyanate is such as by Cytec Industries, Inc. sells CA BI-12, trimeric cyanamide is US5 such as, 198, the methylated methylol melamine proposed in 499, those comprise with epoxy, amine, hydroxyl, isocyanic ester, or the organoalkoxysilane coupler of vinyl-functional, cymel linking agent is such as by the Cymel300 of Cytec Industries, Inc. sells, Cymel303, Cymel1170, Cymel1171, and di-epoxide is such as by the Epon epoxy resin series of Shell sold.Other linking agent comprises compound such as aroyl base urea (aryloylurea), aldehyde, dialdehyde and block dialdehyde, chlorotriazine, carbamyl pyridine, pyridine ether, carbonamidine ether (formamidinium ethers), vinyl sulfone(RemzaolHuo Xingranliaohuoxingjituan), boric acid, dihydroxyl dioxane and multi-functional aziridine CX-100 (being manufactured by Zeneca Resins company).These linking agents can be low-molecular weight compound or polymkeric substance.
For preventing fading of tinting material, UV light absorber, free radical quencher or antioxidant can be added in coating adhesive.These reagent comprise the polycondensation product of polyamines polyene-Dyhard RU 100 base; Water-soluble reducing agent is as sulphite, nitrite, phosphoric acid salt, thiosulphate, xitix or its esters, hydroxy amine derivatives and glucose; Sulfocompound is as thiocyanate-, thiocarbamide, 2-mercaptobenzimidazole, 2-mercaptobenzothiazole, 2-mercaptobenzoxazole, 5-sulfydryl-1-methyl-tetrazole, 2,5-dimercapto-1,3,4-triazole, 2,4,6-tri-thiol cyanuric acid, thiosalicylic acid, thiouracil, 1,2-two (2-hydroxyethylthio) ethane; Or hydrophobic antioxidants emulsion dispersion is mutually as being obstructed the antioxidant of phenolic group, the antioxidant of piperidyl or bulky amine.
This coating adhesive also can add tackifier, rheology modifiers, resin emulsion, sterilant, dyestuff, white dyes, whitening agent.
The coating adhesive utilized in the present invention can also contain one or more mordant dyeing materials.Can be a kind of soluble polymer, charged molecule or cross-linked disperse particulate.This mordant can be non-ionic, cationic or negatively charged ion.The example of mordant is the polymkeric substance or the multipolymer that contain quaternary nitrogen part, such as polystyrene--1-vinyl imidazole altogether--1-vinyl 3-zephiran chloride imidazoles altogether, polystyrene--1-vinyl imidazole altogether--1-vinyl-3-hydroxyethyl-imidazolitm chloride altogether, polystyrene--1-vinyl imidazole altogether--1-vinyl-3-zephiran chloride imidazoles altogether--1-vinyl-3-chlorination hydroxyethyl imidazole altogether, polyvinyl benzyl trimethyl ammonium chloride--1-Vinylstyrene altogether, polyethyl acrylate--1-vinyl imidazole altogether--1-vinyl-3-zephiran chloride imidazoles altogether, or polystyrene-altogether-4-vinylpyridine--4-hydroxyethyl-1-ethylene chloride yl pyridines altogether.In a preferred embodiment of the invention, the quaternary nitrogen moieties be combined in this polymkeric substance is a kind of salt, comprises trimethyl-ethylene base hexadecyldimethyl benzyl ammonium, benzyl dimethyl vinyl benzyl ammonium, dimethyl stearyl vinyl benzyl ammonium, glycidyltrimetiiylammonium ammonium, 1-vinyl-3-benzyl imidazole, 1-vinyl 3-hydroxyethyl imidazole or 4-hydroxyethyl-1-vinyl pyridine.The preferred gegenion that can adopt comprises muriate.Being applicable to other mordant of the present invention is that the cation-modified products of polymkeric substance is as polyvinyl alcohol, gelatinum, chitosan, polyvinylamine, polyethylene imine based, Poly Dimethyl Diallyl Ammonium Chloride, polyalkylene-polyamine base dicyanodiamide ammonium condenses, polyvinylpyridine halogenide, the polymkeric substance of methacryloxypropyl alkyl quaternary ammonium salts, the polymkeric substance of Methacrylamide alkyl quaternary ammonium salts, ω-chloro-polyoxyethylene-polymethylene quaternary ammonium alkylide, methyl glycol chitosan is gathered, polyethylene pyrrole forms sediment, by Texaco, the Jeffamine T series of the propylene oxide base triamine that Inc company manufactures, season acrylic copolymer resin emulsion, phosphorus compound, the sub-acid amides of sulphur, sulfonated polymer and disperse particles and hydrated alumina.Being applicable to other mordant of the present invention is containing the polymkeric substance of carboxylic acid, sulfonic acid, sulphonamide, the sub-acid amides of sulphur or phosphonic acids, multipolymer or resin emulsion, such as carboxylation and sulfonate acrylic fat or methacrylic ester, carboxylated styrene butadiene, sulfonation nylon, polyester and polyurethane and its esters.In a preferred embodiment of the invention, this mordant unit can be chemically combined in polyester bead chemical structure.Such as, the sulfonated monomers in polyester construction can play the mordant effect to cationic dyestuff species.
Except this black receiving layer, this print media thing also can containing other bottom near carrier, and its function is to absorb the solvent from ink.The material being applicable to this layer comprises inorganic particles and polymeric binder, or high expandable polymer such as gelatinum, sulfonated polyester or poly-(vinyl alcohol).
The base sheet of print media thing provided by the present invention can be any one base sheet being generally used for Laser Printing.This base sheet can be transparent or opaque.Opaque base sheet comprises common paper, coated paper, and printing paper of resinizing such as is coated with polyolefins paper, synthetic paper, developing out paper base sheet, coating melt extruded paper and lamination polyolefins paper as biaxially base sheet laminated product.This base sheet also can form as contained polyethylene polymer material by microporous material, by PPG Industries, Inc. (Pittsburgh, the synthetic paper of the trade name Teslin Pennsylvania) sold, the Tyvek synthetic paper of E.I.Du Pont Company, impregnated paper is Duraform and OPPalyte film (Mobil Chemical Co.) such as.Transparent substrates sheet material comprises glass, derivatived cellulose is as cellulose ester, cellulose triacetate, secondary cellulose acetate, cellulose acetate propionate, cellulose acetate butyrate, polyester is as polyethylene terephthalate, poly-naphthoic acid second diester, poly-1,4-terephthalic acid cyclohexanedimethyleterephthalate ester, poly-terephthalic acid butylidene ester, with its multipolymer, polyimide, polymeric amide, polycarbonate, polystyrene, polyolefine is as polyethylene or polypropylene, polysulfones, polyacrylic ester, polyetherimide, and its mixture.Preferably, the Ektacolor paper manufactured by Eastman Kodak Co. (Eastman Kodak) can be adopted.Terminology used here " transparent " refers to can by radiation without obvious deviation or absorption.
The present invention's base sheet thickness used can be 50-500 micron, preferred 75-300 micron.If need, can in base sheet blending antioxidant, whitening agent, static inhibitor, softening agent and other additives known.
For improving the tackiness of coating adhesive to base sheet, one deck undercoat or glue-line can be pasted to base sheet surface.This layer can be one deck adhesive layer, such as halo phenols, partial hydrolysis vinylchlorid-altogether-vinyl acetate polymer, vinylidene chloride-methyl acrylate-methylene-succinic acid terpolymer, vinylidene chloride-acrylonitrile-acrylic acid terpolymer or glycidyl (methyl) acrylic polymer or multipolymer.Can adopt and can make bonding well other chemical adhesive, such as polymkeric substance, multipolymer, reactive polymer or multipolymer between coating with base sheet.Polymer binder in glue-line of the present invention is water-soluble or water dispersible polymers such as polyvinyl alcohol preferably, Polyvinylpyrolidone (PVP), gelatinum, ether of cellulose, a Ju oxazoline, a PVAA, partial hydrolysis polyvinyl acetate/vinyl alcohol, polyacrylic acid, polyacrylamide, polyoxyalkylene, the polyester of sulfonation or phosphorylation or polystyrene, casein, zein, albumin, chitin, chitosan, dextran, pectin, collagen derivative, collodion, agar, arrowroot, guar gum, carrageenin, tragacanth gum, xanthan gum, resin emulsion such as gathers (styrene-co-butadiene), polyurethane resin emulsion, polyester resin emulsion or poly-(CALCIUM ACRYLATE), poly-(methacrylic ester), gathers (acrylamide) or its multipolymer.
In a preferred embodiment, this glue-line polymer binder is that sulfonated polyester disperse phase is as AQ29 (Eastman Chemical Co), gelatinum, polyurethane or PVP.Polymer binder preferable amount for glue-line is 1-50 gram/m2, preferred 1-20 gram/meter
2.
Other improves this layer and to comprise by corona discharge the surface treatment of base sheet, the Cement Composite Treated by Plasma in various atmosphere, UV treatment to the fusible method of base sheet, can implement these process before being applied on base sheet by this layer.
The present invention's print media thing used containing one or more conducting stratums, such as antistatic layer, in order to prevent in the fabrication process with undesirable static discharge in print image process.The either side of this element can be added to.Preferred static inhibitor comprises metal oxide, the stannic oxide of such as stannic oxide, Sb doped and Vanadium Pentoxide in FLAKES.These static inhibitor are preferably dispersed in binder for film formation.
Can conventional coating techniques be adopted, these layers are as above coated in this area and commonly use on base sheet material.Coating process can include, but are not limited to winding wire rod painting, scraper painting, narrow slit painting, the painting of slip hopper, gravure painting, spin coating, dip-coating, the painting of painting dish air knife, multilayer slide plate becomes to drip painting, scraping blade is coated with, against roller coat, showering, multilayer showering.In this method, some allows simultaneously for being coated with the coating of more than one deck.Slip coating can be preferred, wherein which floor can be coated with simultaneously.Its base sheet can be fixing, also can be mobile; When base sheet is mobile, coating immediately can be introduced kiln.After coating, generally the method for single vaporization can be adopted to carry out drying to coating, or adopt convective heating to make dry acceleration.
By the estimate of above-listed routine or rear metered application method, coating composition can be applied to one or two base sheet on the surface.The selection of coating process should be considered to decide from operation Viewpoint of Economics, therefore also determines formula specification as solid in coating grain, dope viscosity and coating speed.After coating, press polish or supercalendering can be carried out to this print media thing, to increase surface smoothness.In a preferred embodiment of the invention, to this print media thing temperature 65 DEG C, under pressure 14000 kg/m, carry out hot soft press polish with the speed of 0.15-0.3 meter per second.
Print media thing of the present invention can comprise such as polycarbonate, polyurethane, polyester, polyvinyl chloride, poly-(styrene-co-acrylonitrile), poly-(caprolactone) or its mixture.This ink or dye image-receiving layer or recording layer, can exist the effective any quantity of imagination object to reach.One deck supercoat can be wrapped further on this ink or dye receptive layer or recording layer.
Colour density contrast experiment:
Detecting instrument: U.S. x-rite Ai Seli light splitting Density Measuring Instrument/Spectrodensiotometer 530
Detected result: look for density high by 53% compared to conventional double print media.Wherein, the imaging of conventional medical print media thing needs to utilize thermographic machine and infrared laser imaging machine.There are external company of Fuji, Konica company and Kodak in conventional medical print media thing manufacturer, and domestic is Lekai company.
It will be understood by those of skill in the art that the coating method of coating adhesive comprises the mode of multiple existing books, such as: scraper, scraper plate, roller coat, spraying, extrusion coated etc.Drying and moulding mode after coating can adopt the mode such as infrared drying, hot-air dry, microwave drying.
For adapting to dissimilar Medical image, substrate can adopt the various ways such as white material, white translucent material or Blue-Color Semitransparent material.
The thickness of substrate is 80-200 micron, and the thickness of antistatic backing is 0.5-2 micron, and the thickness of ink solidifying layer is 5-15 micron, and the thickness of protective layer is 2-5 micron.
Be easy to preserve, repeatedly using and discolouration phenomena can not occur after long-time rotation.
Paperboard is tested:
Printed machine (new intelligence source L777 laser printer): normal without paperboard.
Color is tested,
Colour density result: C >=0.71; M >=1.32; Y >=1.00; K >=1.50.
The coating adhesive of the print media thing invented can coating multiple, also only can be coated with one deck.
Owing to have employed the formula in the present embodiment form, by adding tinting material and water-holding agent, adjust suitable potential of hydrogen, the colour density reaching expection improves.Experiment proves that potential of hydrogen raising effect of colour density in the scope of 8-10 is best.
Claims (9)
1. a coating adhesive for medical laser printing film, is characterized in that, in the described coating adhesive of every 10,000 square meters, comprises following component:
The acidity regulator of the wetting agent of the polyvinyl alcohol of the SiO 2 powder of 30 kilograms, 10% (g/g) concentration of 130 kilograms, the tinting material of 4 kilograms, the emulsion of 90 kilograms, 10% (g/g) concentration of 7 kilograms, the tensio-active agent of 10 kilogram of 8% (g/g) concentration, the water-holding agent of 7 kilogram of 10% (g/g) concentration, the anti-static liquid of 3 kilogram of 10% (g/g) concentration, the protecting coat agent of 25 kilogram of 10% (g/g) concentration and 0.74 kilogram of 10% (g/g) concentration, the pH value of described coating adhesive is in the scope of 8-10.
2. the coating adhesive of medical laser printing film according to claim 1, is characterized in that:
Wherein, described tinting material is the composition of any one or at least two kinds in the pigment dyestuffs such as phthalein blue or green system, quinacridone, dioxazines, isoindolinone.
3. the coating adhesive of medical laser printing film according to claim 1, is characterized in that:
Wherein, described emulsion is the composition of any one or at least two kinds in emulsion polymerized styrene butadiene rubber, polyacrylate dispersion, venamul.
4. the coating adhesive of medical laser printing film according to claim 1, is characterized in that:
Wherein, described wetting agent be surface tension little and can be miscible with water solvent, be the composition of any one in ethanol, propylene glycol, glycerine, dimethyl sulfoxide (DMSO) or at least two kinds.
5. the coating adhesive of medical laser printing film according to claim 1, is characterized in that:
Wherein, described tensio-active agent is any one in anion surfactant, EPE polyol EPE and nonionic surface active agent,
Aniorfic surfactant is any one in alkyl-sulphate, sulfonate, lipid acid, fatty acid ester vitriol, carboxylic soap class and phosphoric acid ester; EPE polyol EPE is spans or the agent of Tweens superficiality; Nonionic surface active agent is any one in polyxyethylated alkylphenol, polyoxyethylene aliphatic alcohol ether and polyoxyethylene polyoxypropylene block copolymer.
6. the coating adhesive of medical laser printing film according to claim 1, is characterized in that:
Wherein, described water-holding agent adopts acrylamide-acrylicacid salt crosslinking copolymerization thing or starch grafted acrylate crosslinking copolymerization thing.
7. the coating adhesive of medical laser printing film according to claim 1, is characterized in that:
Wherein, described acidity regulator is the mixture of any one or at least two kinds in ammoniacal liquor, sodium bicarbonate, sodium hydroxide, potassium hydroxide, nitric acid, acetate and hydrochloride.
8. a print media thing, is characterized in that, comprising:
Base sheet, and
At least one deck by the coating adhesive as medical laser printing film as described in any one in claim 1-7 be coated on described base sheet the printable layer that formed.
9. prepare a method for the coating adhesive of medical laser printing film as claimed in claim 1, it is characterized in that, comprise the following steps:
Step one, adds 5 times to the water of other component cumulative volume in high-shear dispersion pot;
Step 2, adds SiO 2 powder in described water, opens described high-shear dispersion pot, is stirred to described SiO 2 powder and is uniformly dispersed in water, form the first mixed solution;
Step 3, adds emulsion, is stirred to and is uniformly dispersed, form the second mixed solution in described first mixed solution;
Step 4, then adds polyvinyl alcohol, tinting material, wetting agent, tensio-active agent, water-holding agent, anti-static liquid, protecting coat agent and acidity regulator in certain sequence in described second mixed solution, and mixes and obtain the 3rd mixed solution;
Step 5, described 3rd mixed solution to be applied on substrate and dry dewater after form the coating adhesive of described medical laser printing film,
Material added than water in above steps all adds in proportion according to the weight described in claim 1.
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