CN1800491A - Novel coating material for ink jetting medium and its preparation method - Google Patents
Novel coating material for ink jetting medium and its preparation method Download PDFInfo
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- CN1800491A CN1800491A CN 200510022286 CN200510022286A CN1800491A CN 1800491 A CN1800491 A CN 1800491A CN 200510022286 CN200510022286 CN 200510022286 CN 200510022286 A CN200510022286 A CN 200510022286A CN 1800491 A CN1800491 A CN 1800491A
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Abstract
The invention provides a plating solution of ink-jet print intermediate which comprises the calcium carbonate as main paint. It is formed by calcium carbonate, adhesive agent, and several additives (agents). Wherein, the calcium carbonate can be one or several ones of heavy calcium carbonate, light calcium carbonate or active calcium carbonate, while the average grain diameter is 0.1mu m-2mu m. The invention uses the calcium carbonate to replace the silicon dioxide, alumina and titanium oxide to be directly plated on the colorful ink-jet print paper and print photograph paper, without changing present paper plating processes, with lower cost and simple device. Therefore, it can make the lower-level paper into high-level paper and save the wood resource.
Description
Technical field
The present invention relates to coating material of a kind of ink-jet printing media and preparation method thereof, particularly a kind of coating material of waterproof printed photographic paper.
Background technology
Inkjet printing is a kind of non-contact type Method of printing, has many advantages, but comprises that flying print, noise are low, carry out colour print etc. easily, thereby it is used in printer and the plotter apace.Inkjet printing make can common printing paper, coated paper, PPC paper (common copying paper), middle matter paper and even plastic film on print.Inkjet technology is because characteristics such as its colorize is easy, noise is low, pollution-free, low price, popularizes gradually in the color print image field and enlarges day by day.
In recent years, because the development in an all-round way of electronic technology, the digitized video storage capacity also progressively increases, and the colour print image also increases thereupon, and the technology of colour print image has also obtained developing rapidly.For the paper that is used for inkjet printing, a kind of silica (SiO that comprises
2) or other coating and coated paper can obtain high-quality and print.(quoting from PCT/JP98/04090) for common paper at a low price, uses a kind of paper that obtains with impregnation process such as starch by surface sizing method on the contrary usually.Usually, the ink that is used for inkjet printing is water-based and ion-type, and (also have other be non-ion-type) is so the surface that a kind of cationic anti-hydrated agent is coated on paper is necessary.The example comprises: wherein a kind of method nonionic resin particle and nonionic, the water-soluble polymer of anionic property or cationic is used in combination and is coated with (the Japan Patent spy opens communique 9-1925), wherein a kind of method is coated with to improve gradation of drop-out colour with emulsion particle, this emulsion grain forms (the Japan Patent spy opens communique 8-50366) by acrylonitrile and acrylic ester copolymerization, wherein a kind of method is coated with (the Japan Patent spy opens communique 9-99632) with the cationic emulsion particle of acrylate, and wherein a kind of method is coated with to be used to improve the development and the gradation of drop-out colour (the Japan Patent spy opens communique 9-109544) of pigment with cataloid and a kind of water-soluble polymer.
In order to obtain high-quality printing effect, guarantee suitable gradation of drop-out colour, high-grade color ink jet printer paper, especially ink jet printed photographic paper need hold the more ink ejection amount than common Alhue paper, can guarantee high-quality printing effect and the real color of printing.The example comprises: Chinese patent application CN1283723 discloses a kind of high lustre ink-jetting recording material, and these recording materials are coating ink-receiver layer and cover layers on body paper, and ink-receiver layer contains aluminium oxide and the silica that particle diameter is the 0.01-1.0 micron.Chinese patent application CN1393346 discloses a kind of ink-jet recording sheet, and this documentary film is coating ink-receiver layer and a glossiness adjustment layer on base material, and ink-receiver layer contains metal salts of organic acids and cationic fixing agent, improves light resistance and ozone resistance.Chinese patent application CN1388008 discloses a kind of ink jet recording materials, this material is the ink-receiver layer of two-layer or multilayer on anti-water carrier and the back coating that mainly contains organic polymer, wherein to contain predecessor be the 3-30 nanometer to receiving layer, and to add the average grain greater particle size be that 1-5 micron and mean particle size are that the fine grained of 5-20 micron improves the transmission property.Chinese patent CN1348868 discloses a kind of recording medium and has used its formation method, this recording medium is coated with two-layer ink absorbing layer on the base material with barium sulfate layer, ink absorbing layer comprises aluminium base pigment, and the specific area of the aluminium base pigment in upper strata is greater than lower floor.Chinese patent application CN1544252 discloses a kind of ink-jet printing media, be particularly related to a kind of waterproof glossy ink-jet printing media, this medium comprises support and ink absorbing layer, it is characterized in that, containing particle diameter in the wherein said ink absorbing layer is that 8-15 nanometer, specific area are 150-200m
2The inorganic pigment of/g and bonding agent.
Because superfine silicon dioxide (SiO
2), inorganic pigment such as ultra-fine alumina, superfine titanic oxide and resin price be relatively costly, concerning high-grade Alhue paper and ink jet printed photographic paper, general coating weight is all at more than 20% of paper weight of coating, only be only applicable to prepare high-end product, be difficult to realize the universal use of high-end paper product.
Ultra-fine and nanometer grade calcium carbonate comprises heavy, lightweight, active three major types, and molecular formula is CaCO
3Molecular weight is 100.09.English name: Calci μ m Carbonat belongs to inorganic material.This material non-toxic, nonirritant, odorlessness, white is high, index of refraction is low, it is painted to be easy to; Drying does not contain the crystallization water, and soft, standard hardness is a Mohs 3; The Granularity Distribution broadness; Can be dissolved among the acidic aqueous solution, heat endurance is emitted CO for 800-900 ℃ about 550 ℃
2And formation CaO.Be used in a large number among rubber, paper, plastics, coating, textiles, sealant, adhesive, printing-ink, commodity, cosmetics, the feed etc.Application in papermaking: can guarantee certain intensity, the whiteness of paper, reduce cost simultaneously, in stationeries such as cigarette, dictionary, manifolding, magazine, news books, machine seal copperplate, add.
Calcium carbonate just as the coating material of paper mill additive and indivedual LWCs (as cigarette paper), did not still have calcium carbonate at present and replaced superfine silicon dioxide (SiO in the past
2), inorganic pigment and resins such as aluminium oxide, titanium dioxide, be directly used in color ink jet printer paper and print the relevant report of the application on photo paper suction and the blotting coating layer.
Summary of the invention
The object of the present invention is to provide a kind of water of novel printing coated paper with low cost, the coating material of black adsorption layer.
Technical scheme of the present invention is achieved in that
The water of ink-jet printing media provided by the invention, the coating material of black adsorption layer, coating material for suction, ink absorbing layer, it is to be the waterborne suspension of main inorganic pigment with calcium carbonate, and inorganic pigment calcium carbonate accounts for 20%～80%w/w of solid content total amount in the waterborne suspension.Solid content in the described coating material component is 30-60%.
Can also contain in the described inorganic pigment and be no more than white carbon black of solid content total amount 30%w/w or silica.
Wherein said powdered whiting, precipitated calcium carbonate, calcene average grain diameter are that 0.1 μ m～2 μ m are preferable, can use the particle of various geometries: as one or more of the powdered whiting of different shapes such as sheet, cylindric, aragonitic, chrysanthemum type, precipitated calcium carbonate, calcene.Use difform calcium carbonate not have too big difference qualitatively at paper product.The present invention has used the calcium carbonate of multiple shape, and generally speaking, in powdered whiting, the effect of column type shape is preferable, and in precipitated calcium carbonate, the effect of chrysanthemum shape is preferable.
Further, described coating material is by the inorganic pigment that accounts for solid content total amount 50%～80%w/w, 10%～40%w/w bonding agent, the waterborne suspension that 2%～10% coating additive is prepared from; Described inorganic pigment is calcium carbonate or calcium carbonate and the mixing of white carbon black or silica.
Suction, ink absorbing layer can be to divide two-layer coating by purposes, but also once coating simultaneously, and if two-layer coating, the proportioning raw materials of coating composition is slightly different; The batching color-fixing agent of water accepting layer is lower, and the color-fixing agent of ink absorbing layer is higher.In addition, the bonding agent consumption has difference, so the viscosity of coating fluid is different.
In the above-mentioned coating material, according to different product needed, white carbon black, the silica that can add different proportion mix use.When adjusting the viscosity of coating material, the white carbon black, the silica that add different proportion can obtain satisfied effect.
Wherein said bonding agent contains one or more in the resin adhesive of high score subclass: PVA, melamine, starch, phenylpropyl alcohol, the silicon third.Wherein, described phenylpropyl alcohol is that acrylate and phenylethylene multi-component copolymer form, and silicon third forms for esters of acrylic acid and organic silicon monomer copolymerization.
Described bonding agent can also contain cationic macromolecule resinoid, and resin cation is except having the function of bonding agent, and tint retention preferably also produces effect.
Described bonding agent can also contain modified starch, and cationic starch is except having the function of bonding agent, and tint retention preferably also produces effect;
Described bonding agent also can be the water-absorbing resins of ion-type or nonionic, and the water-absorbing resin of bi-component is under the situation of control cross-linking depth, and suction and ink absorption will be better.
Described coating material can also contain additive (auxiliary agent) component: one or more crosslinking agents; One or more viscosity modifiers and/or thickener; One or more dispersants; One kind of multiple foam inhibiting agent/defoamers; One or more bactericide/preservative agents; Or their any combination.
The present invention also provides the preparation method of above-mentioned coating material:
A, to take by weighing weight proportion be 50%～80% inorganic pigment and 10%～40% bonding agent, 2%～10% coating additive; Described inorganic pigment is calcium carbonate or calcium carbonate and the mixing of white carbon black or silica;
B, calcium carbonate pigment added in the water-based liquid medium disperse;
C, with scattered calcium carbonate pigment and the bonding agent for preparing, coating additive mixed coating composition;
E, the coating composition that mixes is disperseed, be prepared into the coating fluid that solid content is 30-60%, promptly.
Wherein, solid content is 53% o'clock, and coating quality is comparatively desirable.
Annexing ingredient can add respectively in the suspension in disperseing in the dispersing apparatus.
Preferable methods is: at first prepare PVA solution; Calcium carbonate adds in the deionized water, and stirring is earlier carried out pre-dispersed, and then shears dispersion, makes slurry; Then slurry is mixed with PVA solution, other bonding agents, add color-fixing agent, surfactant, curing agent, waterproofing agent, make the coating material that solid content is 30-60%.
The bonding agent that the present invention uses can be this area bonding agent (adhesive) commonly used, in PVA, melamine, starch, phenylpropyl alcohol, the silicon third gradegrade C etc. one or more, can also add modified starch, oxidized starch, etherification starch, esterification starch, cationic starch or the like and other cellulose derivative, coating material of the present invention can also comprise a certain amount of conventional dispersant, color-fixing agent, surfactant, curing agent, waterproofing agent, crosslinking agent, viscosity modifier and/or thickener, foam inhibiting agent/defoamer, bactericide/preservative agent etc.
The method for preparing coating Alhue paper or coating printed photographic paper, this method may further comprise the steps: use above-mentioned coating material, use one or more traditional coating processes, be coated with as scraper, gauge stick is coated with, and technologies such as roller coating absorb water to base material, the coating of ink absorbing layer, promptly get after the drying and be coated with Alhue paper, or further coating forms the gloss coating, promptly can be used for photo printing after the drying.
Described base material comprises the ink-jet printing media that photograph body paper, casting are coated with photo paper, leaching membrane paper, macromolecular sheet material, common paper, art paper and are coated with by the available above-mentioned coating composition that other base material makes up.
What the present invention was valuable is, will be the cheap calcium carbonate as paper mill additive and indivedual LWCs (as cigarette paper) in the past, replaces superfine silicon dioxide (SiO
2), inorganic pigment and resins such as aluminium oxide, titanium dioxide, the coating that is directly used in color ink jet printer paper and prints photo paper.Calcium carbonate is applied as domestic and international initiative on printing paper, inkjet printing photo paper coating layer.This material covering power is strong, and the whiteness height is with low cost, only is equivalent to the 1/20-1/50 of silica, is equivalent to 1/10 of common paper price, and coating weight can reach more than 20%.This means that not only low side paper product (as recycled writing paper) can become high-end paper product through coating, and saving timber resources therefore becomes reality.
Coating composition provided by the invention is applied to the water of all kinds of printing coated papers, black adsorption layer, can guarantee certain intensity, the whiteness of paper, reduces cost greatly simultaneously; Good dispersion, the control of coating weight is better than using silica (SiO
2); The bonding agent consumption is low, coating good leveling property, intensity height; The paper surface glossiness of coating is higher than traditional material (SiO
2) paper of coating, and print definition and be not less than traditional material (SiO
2) coating paper; The technological development direction that meets the high solids content coating; Needn't change existing paper coating process flow process just can realize fully.
Below mode by specific embodiment, the present invention is further described, be limitation of the present invention but should not be construed as.Those of ordinary skills can also make modification, replacement, the change of various ways according to technique scheme.All modification, replacement, changes of doing based on above-mentioned technological thought all belong to scope of the present invention.
The specific embodiment
The calcium carbonate that the present invention uses can be one or more of powdered whiting, precipitated calcium carbonate, calcene:
The preparation method of the coating material of ink-jet printing media of the present invention:
At first prepare PVA solution; Disperse calcium carbonate then: a certain amount of deionized water of weighing, fine grain inorganic pigment and dispersant are added the people in water, stir, at first carry out pre-dispersedly, and then shear dispersion, make pigment slurry; Then slurry is mixed with PVA solution, other bonding agents, add color-fixing agent, surfactant, crosslinking agent, make coating fluid; At last, coating fluid is coated on the paper substrate, drying obtains ink-jet printing media.
The present invention is further illustrated below in conjunction with specific embodiment.
The preparation of the coating material of embodiment 1 ink-jet printing media of the present invention
(following prescription all by a rubbing method design, all calculate by solid content (dry) net weight by the ratio of prescription each component.
Powdered whiting 100g
(by D97, particle diameter 1.9 μ m, specific area 20000cm
2/ g, grain shape is cylindric)
Calgon 0.5g
Bonding agent PVA (degree of polymerization 2000) 9g
Color-fixing agent SH-D 5g
Crosslinking agent melamine 0.5g
Brightening agent BBN 1.26g
Deionized water 134g
Operation:
Claim the deionized water of 54g, join in the stainless steel cask, under agitation the PVA of 9g is sprinkled in the water then, continue to stir 1 hour, begin to be warming up to 93 ℃, kept 1 hour, be cooled to room temperature, obtain PVA solution; By prescription balance of deionized water 80g is joined in the stainless steel cask, add calgon 0.5g, stir, add powdered whiting, continue to stir pre-dispersed 0.5 hour, disperseed 1 hour with the high speed shear disperser again, make slurry; PVA solution and slurry are mixed, add SH-D 5g, melamine 0.5g, BBN 1.26g, stir, make coating fluid, static froth breaking; Coating fluid is applied on the paper substrate with the dosage rod, and the coating dry measure is 40g/m
2Dry: 50 ℃, dry 30 minutes: 135 ℃, dry 2.5 minutes; Obtain product, survey its performance (seeing Table 1).
The preparation of the coating material of embodiment 2 ink-jet printing medias of the present invention
Precipitated calcium carbonate 100g
(by D97, particle diameter 0.6--0.9 μ m, specific area 9--15m
2/ g, grain shape is the chrysanthemum shape)
Sodium hexametaphosphate dispersant 1g
Bonding agent PVA (degree of polymerization 1700) 18g
Color-fixing agent SH-D 4g
Color-fixing agent NFC 1g
Crosslinking agent melamine 0.5g
Brightening agent BBN 1.26g
Defoamer tbp 0.2g
Deionized water 170g
Operation:
Claim the deionized water of 90g, join in the stainless steel cask, under agitation the PVA of 18g is sprinkled in the water then, continue to stir 1 hour, begin to be warming up to 93 ℃, kept 1 hour, be cooled to room temperature, obtain PVA solution; By prescription balance of deionized water 80g is joined in the stainless steel cask, add dispersant 0.5g, stir, add precipitated calcium carbonate, continue to stir pre-dispersed 0.5 hour, disperseed 1 hour with the high speed shear disperser again, make slurry; PVA solution and slurry are mixed, add SH-D 5g, NFC 1g, melamine 0.5g, BBN 1.26g, stir, make coating fluid, coating fluid is applied on the paper substrate with the dosage rod, the coating dry measure is 40g/m
2Dry: 50 ℃, dry 30 minutes: 130 ℃, dry 2.5 minutes; Obtain product, survey its performance (seeing Table 1).
The preparation of the coating material of embodiment 3 ink-jet printing medias of the present invention
Calcium carbonate activated 100g
(by D97, particle diameter 1.0--2.2 μ m, specific area 3--4m
2/ g, grain shape is the chrysanthemum shape)
Activating agent OP-10 1g
Sodium hexametaphosphate dispersant 0.5g
Bonding agent PVA (degree of polymerization 2400) 15g
Bonding agent cationic starch 5g
Cross-linking type color-fixing agent DE 5g
Crosslinking agent melamine 0.5g
Brightening agent BBN 1.3g
Defoamer silicone 0.5g
Deionized water 200g
Operation:
Claim the deionized water of 90g, join in the stainless steel cask, under agitation the PVA of 15g is sprinkled in the water then, continue to stir 0.5 hour, begin to be warming up to 93 ℃, kept 1 hour, be cooled to room temperature, obtain PVA solution; Claim the deionized water of 30g, join in the stainless steel cask, under agitation the cationic starch of 5g is sprinkled in the water then, continue to stir 0.5 hour, be warming up to 80 ℃, kept 1 hour, be cooled to room temperature, obtain cationic starch solution; By prescription balance of deionized water 80g is joined in the stainless steel cask, add dispersant 1g, stir, add calcium carbonate activated, continue to stir pre-dispersed 0.5 hour, disperseed 1 hour with the high speed shear disperser again, make slurry; PVA solution, cationic starch solution and slurry are mixed, add DE 5g, melamine 0.5g, glyoxal 0.3g, BBN 1.3g, silicone 0.2g stirs, and makes coating fluid, and coating fluid is applied on the paper substrate with the dosage rod, and the coating dry measure is 40g/m
2Dry: 50 ℃, dry 28 minutes: 130 ℃, dry 2.5 minutes; Obtain product, survey its performance (seeing Table 1).
The preparation of the coating material of embodiment 4 ink-jet printing medias of the present invention
Powdered whiting 100g
(by D97, particle diameter 1.9 μ m, specific area 20000cm
2/ g, grain shape is a sheet) silica 1 0g
Activating agent OP-10 1.5g
Sodium hexametaphosphate dispersant 0.5g
Bonding agent PVA (degree of polymerization 2000) 12g
Bonding agent melamine 0.5g
Brightening agent BBN 1.4g
Defoamer silicone emulsion 0.2g
Deionized water 224g
Operation:
Claim the deionized water of 84g, join in the stainless steel cask, under agitation the PVA of 12g is sprinkled in the water then, continue to stir 0.5 hour, begin to be warming up to 93 ℃, kept 1 hour, be cooled to room temperature, obtain PVA solution; Claim the deionized water of 60g, join in the stainless steel cask, add calgon 0.5g, stir, add superfine silicon dioxide, continue to stir pre-dispersed 0.5 hour, disperseed 1 hour with the high speed shear disperser again, make slurry; By prescription balance of deionized water 80g is joined in the stainless steel cask, add OP-10 1g, stir, add powdered whiting, continue to stir pre-dispersed 0.5 hour, disperseed 1 hour with the high speed shear disperser again, make slurry; PVA solution and slurry are mixed, add melamine 0.5g, BBN 1.3g, silicone emulsion 0.2g stirs, and makes coating fluid, and coating fluid is applied on the paper substrate with the dosage rod, and the coating dry measure is 40g/m
2Dry: 50 ℃, dry 28 minutes: 130 ℃, dry 2.5 minutes; Obtain product, survey its performance (seeing Table 1).
The preparation of the coating material of embodiment 5 ink-jet printing medias of the present invention
Powdered whiting 100g
(by D97, particle diameter 1.9 μ m, specific area 20000cm
2/ g, grain shape is a sheet)
Ultra-fine white carbon black 20g
Sodium hexametaphosphate dispersant 2g
Bonding agent PVA (degree of polymerization 2000) 11g
Color-fixing agent NFC 6g
Bonding agent melamine 1g
Brightening agent BBN 1.3g
Defoamer silicone 0.2g
Deionized water 217g
Operation:
Claim the deionized water of 77g, join in the stainless steel cask, under agitation the PVA of 11g is sprinkled in the water then, continue to stir 0.5 hour, begin to be warming up to 93 ℃, kept 1 hour, be cooled to room temperature, obtain PVA solution; Claim the deionized water of 60g, join in the stainless steel cask, add calgon 0.5g, stir, add ultra-fine white carbon black, continue to stir pre-dispersed 0.5 hour, disperseed 1 hour with the high speed shear disperser again, make slurry; By prescription balance of deionized water 80g is joined in the stainless steel cask, add calgon 1.5g, stir, add powdered whiting, continue to stir pre-dispersed 0.5 hour, disperseed 1 hour with the high speed shear disperser again, make slurry; PVA solution and slurry are mixed, add NFC 5g, melamine 1g, BBN 1.3g, silicone 0.2g stirs, and makes coating fluid, and coating fluid is applied on the paper substrate with the dosage rod, and the coating dry measure is 40g/m
2Dry: 50 ℃, dry 28 minutes: 130 ℃, dry 2.5 minutes; Obtain product, survey its performance (seeing Table 1).
The preparation of embodiment 6 printed photographic papers of the present invention
The printed photographic paper that is coated with method production with casting is an example, uses the coating material of embodiment 1-5 preparation to be coated with.
Casting is coated with the printed photographic paper coating formulation and is made of following 4 components: the paper substrate front is followed successively by water accepting layer, ink absorbing layer, light layer, and the back side is gum layer, and it can support down the coating of different substrate materials to need.
Present embodiment uses the coating material coating of embodiment 1-5, and coating process is coated with once coating (gauge stick rubbing method) through suction, ink absorbing layer successively, bright layer coating (casting is coated with method), and the gum layer coating obtains printed photographic paper of the present invention.
The number of embodiment 7 usefulness polyester film productions is printed photo media
Operation:
White polyester film one volume, component prescription with embodiment 2 is an example, and the making flow process is as follows: pass through the preliminary treatment of polyester film electric spark successively, bonding agent precoated shet (primer precoating), suction, once coating (gauge stick rubbing method) of ink absorbing layer coating, bright layer coating (containing the fixation layer).
Because the deflection of polyester film is good, if temperature control is suitably in the coating dry run, almost not distortion in the coating.Therefore, the printing photo media of this class base material making all is better than other materials at deflection, flatness, coating quality.This embodiment can be used as high-grade print media, also can be used as part and substitutes one of example of paper.
The coating of embodiment 8 color ink jet printer papers
80g common paper one volume is an example with the component prescription of embodiment 3, and it is as follows to make flow process: usefulness gauge stick rubbing method will be printed surface layer (ink absorbing layer) and once be coated with, and coating weight is 28g.
In the coating of Alhue paper, usually with superfine silicon dioxide (SiO
2) be main coating pigment.But because superfine silicon dioxide (SiO
2) cost an arm and a leg, be generally more than 4 times of paper price.Though the silica (SiO of coating
2) can count among the gross weight of paper, (generally all more than 20%), but the reason of price can only think to have the meaning that has improved paper quality, and the value that does not have part to replace.Calcium carbonate is quite different, and it not only has silica (SiO
2) improve the meaning of paper quality, because the reason of price, (1/6-1/10 that only is equivalent to paper price) makes it have the value that part replaces paper.
Below by the quality evaluation to calcium carbonate pigment coating ink-jet printing paper, further specifying the effect of having a mind to of the present invention, is limitation of the invention but should not be construed as.
The quality evaluation of test example 1 calcium carbonate pigment coating ink-jet printing paper
This quality is estimated used standard: GB7974-87, and GB/T 1040-92, and with reference to United States Patent (USP) 00122501, the method for testing of using among the Chinese patent CN 1544252A; Remaining adopts sample comparison method and subjective estimate method, and it the results are shown in following table.
Glossiness: with model is PG-160 " the hand-held glossometer measure.Sample is positioned on the horizontal table top, again instrument is placed on the tested sample surface, press the corresponding button and measure.Because vertical, the horizontal glossiness of specimen page has certain difference, get a different direction for a sample and measure, every survey once rotates 45 with sample " angle, the glossiness value is 4 mean values of measuring.
Resolution ratio: Hewlett-Packard's 990 printing of inkjet printer are on the sample of 210 * 297mm (A4), print 100% black (k) look 1.5CM * 1.5CM color lump with the height mode of 2400 * 1200dpi, count by the ink-jet that longitudinal and transverse direction reads 0.5 inch * 0.5 area with reading microscope observation then.Described printer Design is that the ink of water-soluble pigment prints.
A: laterally: the 1000-1200 point, vertically: the 550-600 point,
B: laterally: the 950-1100 point, vertically: the 500-550 point,
C: laterally: the 800-950 point, vertically: the 450-500 point,
Ink absorption:, these four kinds of colors are tested with yellow, magenta, cyan, black with Hewlett-Packard's 990 ink-jet printers.Described printer Design is that the ink of water-soluble dye prints.
A: do not have and pile up
B: the slight accumulation
C: it is poor to pile up ink absorption
Water proofing property:
100% green grass or young crops (C), 100% product (M), 100% Huang (Y), 100% are deceived (K) four looks 1.5CM * 1.5CM color lump, after above-mentioned color lump is printed by Hewlett-Packard 990, wash 30 minutes with circulating water under hose, dab with have gentle hands and smear, and observe the dirty situation of surface change
A: surperficial constant dirt
B: the surface is slight to become dirty
C: the surface becomes dirty
Spreading and sinking in of image oozed:
The color lump of 100% green grass or young crops (C), 100% product (M), 100o Huang (Y), 100% black (K) four look 2.5CM * 2.5CM, horizontal, vertical two groups of white lines are all distributing on each color lump, each is organized lines and is arranged by the fine rule of 7 different in width and form, the width of lines is followed successively by 1,2,4,6,8,10,12 from fine to coarse, and unit is a pixel.After above-mentioned color lump is printed by Hewlett-Packard 990, print image is put into ageing oven (50 ℃ of temperature, humidity 80%) 72 hours, observe white lines.
A; 1,2 is clear
B:4,6 is clear
C:8,10,12 is clear
Table 1 prepares the performance test table of printed photographic paper with coating material of the present invention
| Coating material | Absorbency | Water proofing property | Spread and sink in and ooze | Glossiness | Resolution ratio |
| Embodiment 1 | B | B | B | 40 | B |
| Embodiment 2 | A | A | A | 48 | A |
| Embodiment 3 | A | B | A | 45 | A |
| Embodiment 4 | B | B | B | 40 | B |
| Embodiment 5 | B | B | B | 40 | B |
| Comparative example | A | B | A | 35 | A |
Comparative example is that silica is the printed photographic paper of the ink-jet printing media coating fluid production of main material structure in the table, is new Tyke, Sichuan new material company product.
From table data as can be seen, the ink-jet printing media of making according to coating material of the present invention, performances such as water proofing property, glossiness, print resolution near or be better than using silica (SiO
2) every performance of making product, but cost reduces greatly.
Consolidating from the prescription of embodiment 1-5 contains the thing ratio near 50% the fact as can be known, and printed photographic paper coating of the present invention is near the developing direction of high solids content coating.In fact, the raising that contains thing of consolidating among the 1-5 embodiment is feasible.According to the measurement of coating fluid viscosity, the actual result that (detection method is an efflux method, adopt be coated with-4 flow cups) measured is 21S, and with silica (SiO
2) viscosity of coating fluid of preparation is about 40S.This means that the coating fluid among the 1-5 embodiment exists the space that raising contains thing admittedly.But, this low viscous coating fluid has the advantage of self on levelability and coating quality, less demanding as to equipment and operative employee, actual benefits such as yield rate height.The dispersiveness of the calcium carbonate that the present invention is selected better in the preparation of volume production coating fluid, can reach satisfied effect with common dispersing apparatus.(dispersing apparatus model: GFS-CD, Ou Lu chemical machinery Co., Ltd) just can draw above-mentioned conclusion from the result of product sample test.
In sum, coating material covering power provided by the invention is strong, cheap, only is equivalent to the 1/20-1/50 of silica, is equivalent to 1/10 of common paper price, and coating weight can reach more than 20%.This means that not only the low side paper product can become high-end paper product through coating, and saving timber resources therefore becomes reality.The present invention needn't change existing paper coating process flow process, can realize that the low side paper product can become high-end paper product through coating.
Claims (10)
1, a kind of coating material of ink-jet printing media is characterized in that: it is to be the waterborne suspension of main inorganic pigment with calcium carbonate, and calcium carbonate accounts for 20%～80%w/w of solid content total amount in the waterborne suspension.
2, according to the coating material of the described ink-jet printing media of claim 1, it is characterized in that: the average grain diameter of described calcium carbonate is 0.1 μ m～2 μ m.
3, according to the coating material of the described ink-jet printing media of claim 2, it is characterized in that: described calcium carbonate is one or more of powdered whiting, precipitated calcium carbonate or calcene.
4, according to the described ink-jet printing media of claim 1 coating material, it is characterized in that: also contain the white carbon black or the silica that are no more than solid content total amount 30%w/w in the described inorganic pigment.
5, according to the coating material of each described ink-jet printing media of claim 1-4, it is characterized in that: described coating material is by the inorganic pigment that accounts for solid content total amount 50%～80%w/w, 10%～40%w/w bonding agent, the waterborne suspension that 2%～10% coating additive is prepared from.
6, according to the described ink-jet printing media of claim 5 coating material, it is characterized in that: described inorganic pigment is calcium carbonate or calcium carbonate and the mixing of white carbon black or silica; Described bonding agent is one or more in the resin adhesive of high score subclass: PVA, melamine, phenylpropyl alcohol, the silicon third; Described coating additive is: one or more in color-fixing agent, dispersant, brightening agent, crosslinking agent, viscosity modifier, thickener, foam inhibiting agent/defoamer or the bactericide/preservative agent.
7, according to the described ink-jet printing media of claim 6 coating material, it is characterized in that: described bonding agent also contains modified starch.
8, according to the described ink-jet printing media of claim 6 coating material, it is characterized in that: described bonding agent is the ion-type of bi-component or the water-absorbing resins of nonionic.
9, the method for preparing each described coating material of claim 1-8: may further comprise the steps:
A, to take by weighing percentage by weight be 50%～80% inorganic pigment, 10%～40% bonding agent, 2%～10% coating additive;
B, inorganic pigment added in the water-based liquid medium disperse;
C, scattered inorganic pigment and bonding agent, coating additive is mixed promptly gets coating composition;
E, the coating composition that mixes is scattered in the water-based liquid medium, is prepared into the coating fluid that solid content is 30-60%w/w, promptly.
10, prepare the method that is coated with printed photographic paper/coating Alhue paper, may further comprise the steps: with or multinomial described coating material among the claim 1-8, to base material absorb water, the coating of ink absorbing layer, promptly get after the drying and be coated with Alhue paper, or further coating forms the gloss coating, promptly gets printed photographic paper after the drying.
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| CN 200510022286 CN1800491A (en) | 2005-12-14 | 2005-12-14 | Novel coating material for ink jetting medium and its preparation method |
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| CN 200510022286 CN1800491A (en) | 2005-12-14 | 2005-12-14 | Novel coating material for ink jetting medium and its preparation method |
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| CN1800491A true CN1800491A (en) | 2006-07-12 |
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| CN 200510022286 Pending CN1800491A (en) | 2005-12-14 | 2005-12-14 | Novel coating material for ink jetting medium and its preparation method |
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| CN101772423B (en) * | 2007-08-30 | 2011-12-21 | 株式会社理光 | Inkjet medium, ink and inkjet recording method |
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| CN102704328A (en) * | 2012-05-14 | 2012-10-03 | 斯迪克新型材料（江苏）有限公司 | Coating type polyester (PE)-coated paper |
| CN102958703A (en) * | 2010-07-02 | 2013-03-06 | Omya发展股份公司 | Paper for inkjet recording |
| CN104703806A (en) * | 2012-10-11 | 2015-06-10 | 三菱制纸株式会社 | Method for manufacturing printed products using industrial inkjet printer |
| CN104789063A (en) * | 2015-05-04 | 2015-07-22 | 江苏耐斯数码科技股份有限公司 | Method for preparing compatible ink-jet printing coating |
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| CN101772423B (en) * | 2007-08-30 | 2011-12-21 | 株式会社理光 | Inkjet medium, ink and inkjet recording method |
| CN102497993A (en) * | 2009-08-12 | 2012-06-13 | 新页公司 | Inkjet recording medium |
| CN102497993B (en) * | 2009-08-12 | 2015-09-09 | 新页公司 | Ink jet recording medium |
| US10029276B2 (en) | 2010-07-02 | 2018-07-24 | Omya International Ag | Paper for inkjet recording |
| CN102958703A (en) * | 2010-07-02 | 2013-03-06 | Omya发展股份公司 | Paper for inkjet recording |
| CN102958703B (en) * | 2010-07-02 | 2015-03-04 | Omya国际股份公司 | Paper for inkjet recording |
| US8974877B2 (en) | 2010-07-02 | 2015-03-10 | Omya International Ag | Paper for inkjet recording |
| CN102704334A (en) * | 2012-05-14 | 2012-10-03 | 斯迪克新型材料（江苏）有限公司 | Coating-type matte coated paper |
| CN102704328A (en) * | 2012-05-14 | 2012-10-03 | 斯迪克新型材料（江苏）有限公司 | Coating type polyester (PE)-coated paper |
| CN104703806A (en) * | 2012-10-11 | 2015-06-10 | 三菱制纸株式会社 | Method for manufacturing printed products using industrial inkjet printer |
| CN104789063A (en) * | 2015-05-04 | 2015-07-22 | 江苏耐斯数码科技股份有限公司 | Method for preparing compatible ink-jet printing coating |
| CN106274120A (en) * | 2016-08-17 | 2017-01-04 | 安徽文峰特种纸业有限公司 | A kind of preferable printing paper of solid color and preparation method thereof |
| CN107142783A (en) * | 2017-05-18 | 2017-09-08 | 江阴比图特种纸板有限公司 | Album inner core plate finishing coating and preparation method thereof |
| CN107254807A (en) * | 2017-05-18 | 2017-10-17 | 江阴比图特种纸板有限公司 | Album inner core plate |
| CN107856431A (en) * | 2017-10-30 | 2018-03-30 | 平湖市燎原印刷厂 | A kind of printable coating cloth |
| CN110128881A (en) * | 2019-05-14 | 2019-08-16 | 肖颖 | Permeable coating ink and its security purposes |
| CN110804381A (en) * | 2019-12-03 | 2020-02-18 | 郑州鸿盛数码科技股份有限公司 | Primer liquid suitable for printing non-absorbent printing medium by using water-based pigment ink, preparation method and application |
| CN111996835A (en) * | 2020-07-01 | 2020-11-27 | 江门市众盛彩印有限公司 | Coating for paper cards and application method thereof |
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