CN109972446A - A kind of white board and preparation method thereof suitable for flying print - Google Patents

A kind of white board and preparation method thereof suitable for flying print Download PDF

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Publication number
CN109972446A
CN109972446A CN201910175066.7A CN201910175066A CN109972446A CN 109972446 A CN109972446 A CN 109972446A CN 201910175066 A CN201910175066 A CN 201910175066A CN 109972446 A CN109972446 A CN 109972446A
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China
Prior art keywords
coating
white board
preparation
flying print
parts
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CN201910175066.7A
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CN109972446B (en
Inventor
陈港
张俊奇
蔡庆辉
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South China University of Technology SCUT
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South China University of Technology SCUT
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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
    • B41M5/52—Macromolecular coatings
    • B41M5/5218—Macromolecular coatings characterised by inorganic additives, e.g. pigments, clays
    • 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
    • B41M5/52—Macromolecular coatings
    • B41M5/5245—Macromolecular coatings characterised by the use of polymers containing cationic or anionic groups, e.g. mordants
    • 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
    • B41M5/52—Macromolecular coatings
    • B41M5/5254—Macromolecular coatings characterised by the use of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
    • 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
    • B41M5/52—Macromolecular coatings
    • B41M5/5263—Macromolecular coatings characterised by the use of polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • B41M5/52—Macromolecular coatings
    • B41M5/5263—Macromolecular coatings characterised by the use of polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • B41M5/5281—Polyurethanes or polyureas
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/38—Coatings with pigments characterised by the pigments
    • D21H19/385—Oxides, hydroxides or carbonates
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/46—Non-macromolecular organic compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/52—Cellulose; Derivatives thereof
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/54—Starch
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H19/60—Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/62—Macromolecular organic compounds or oligomers thereof obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/50—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by form
    • D21H21/52—Additives of definite length or shape
    • D21H21/54—Additives of definite length or shape being spherical, e.g. microcapsules, beads

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)

Abstract

The invention belongs to paper technologies and printing packaging technical field, provide a kind of white board and preparation method thereof suitable for flying print.The preparation method includes the following steps: that being coated with coating in body paper layer surface forms coating layer, obtains the white board for being suitable for flying print after drying, press polish.Preparation method provided by the invention makes the white board of preparation meet the highspeed print mode requirement of industry digital-code printer by finishing coat of the building porosity functional coating as white board, can be obtained that color is full after printing, the high printed matter of clarity；The present invention innovatively uses calcium carbonate as coating color, related request is innovatively proposed to the shape and particle diameter distribution of calcium carbonate, so that the white board prepared is not only able to satisfy the requirement of the low-speed print mode of normal printer, coating structure after optimization, the problems such as being not in not bright-coloured color or colour cast, so can be used under highspeed print mode.

Description

A kind of white board and preparation method thereof suitable for flying print
Technical field
The invention belongs to papermaking, printing packaging technical field more particularly to a kind of white board suitable for flying print and Preparation method.
Background technique
Main paper kind of the white board as carton paper, is widely used in food, drug, household electrical appliance, household items, needle The packaging such as cotton fabric, cultural goods, use scope cover national product, various fields of recent life, are the important of China's packaging material Component part.White board surface currently on the market does not have coating layer, is directly used in digital printing, ink white board surface without Method forms good layer of ink and preferable color developing effect, and the pattern color of printing is dim, is unable to satisfy the market demand.
In addition, being constantly progressive with digital printing technologies, the appearance of infant industry digital-code printer also mentions white board New requirement is gone out.Han Hong group successfully has developed a industrial digital-code printer, for the digital printing of corrugated board, for the first time Using the Single Pass technology for being equipped with kyocera spray head, so that carton digital printing is transitioned into work from traditional scan-type printing The quick production of industry grade, print speed are up to 150m/ minutes, spray printing precision 600x 1800dpi, the high speed print mode pair Inkjet printing paper puts forward new requirements and challenges, and when the industry digital-code printer flying print, black head position is fixed, For paper with high speed by black head lower end, black head sprays ink to paper surface, at this time between ink and paper by piezo electrics With biggish speed difference, since speed difference brings the deformation of ink droplet when contacts ink paper, while also to ink and paper Infiltration and diffusion produce influence, and traditional inkjet coating formulations can not adapt to the highspeed print mode.
Therefore, a kind of white board and preparation method thereof suitable for flying print is developed, for solving in the prior art, There is the technological deficiencies that ink jet coatings can not be suitable for flying print, at this field urgent problem to be solved.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of suitable for the white board of flying print and its preparation side Method.
The present invention is to solve technological deficiency existing in the prior art, prepares the white board suitable for flying print.This Invention designs and constructs a porous coating, by the optimization of coating structure and the application of different scale pigment, so that black Water and paper still can reach the balance of infiltration, the diffusion of ink and coating there are under conditions of larger speed difference.It is described porous Property coating be made of the spherical calcium carbonate particle of different-grain diameter size, cooperate adhesive, cationic fixing agent effect, constitute it is white The functional coating of paperboard, the highspeed print mode (50-150m/min) suitable for industrial digital-code printer.
The purpose of the present invention is achieved through the following technical solutions.
A kind of white board being suitable for flying print (50-150m/min) provided by the invention, including original paper layer are (quantification of 100-420g/m2) and coating layer；The raw material of the coating layer in parts by weight, including following substance:
80-120 parts of calcium carbonate；
5-10 parts of adhesive；
2-5 parts of cationic fixing agent；
0.025-0.1 parts of defoaming agent.
Further, the quantification of 100-420g/m of the original paper layer2。
Further, the calcium carbonate is spheric granules, and by mass percentage, the grain composition of calcium carbonate is partial size 0- 0.4um accounting 5-8%, partial size 0.4-1um accounting 75-85%, partial size 1um-2um accounting 10-25%.
Further, the adhesive is one or more of polyvinyl alcohol, modified starch, carboxymethyl cellulose；It is described Cationic fixing agent is season more ammonium salts (including polyacrylic acid dimethylamine ethyl ester quaternary ammonium chloride, poly dimethyl allyl chlorination Ammonium), one or more of cationic polyamine (including polyvinylamine, polyethyleneimine) or aqueous polyurethane.
Further, the season more ammonium salts include polyacrylic acid dimethylamine ethyl ester quaternary ammonium chloride, two allyl of poly dimethyl Ammonium chloride；The cationic polyamine includes polyvinylamine and polyethyleneimine.
Further, the defoaming agent be one of mineral oil antifoam agent, organic silicon defoamer or polyether antifoam agent with On.
A kind of method preparing the above-mentioned white board suitable for flying print provided by the invention, includes the following steps:
(1) raw material of coating layer is weighed, is uniformly mixed and forms coating；
(2) in original paper layer (quantification of 100-420g/m2) surface (front) application step (1) the coating formation coating Layer；
(3) white board for being suitable for flying print is obtained after drying, press polish.
Further, the solid content of coating described in step (1) is 40-60%.
Further, the mode of coating described in step (2) includes blade coating, scraper coating and curtain coating；Step Suddenly the coating weight of coating described in (2) is 4-12g/m2。
Further, drying temperature described in step (3) is 70-160 DEG C；The calendering temperature is 60-230 DEG C, press polish Pressure be 10-60kN/m.
Technical solution of the present invention is different from the existing technical solution using silica, uses the technical solution of silica Mostly obtain ink-absorbed coated layer using the small particle of silica, high-specific surface area, high oil absorption value, to the osmotic absorption effect of ink compared with By force, diffusion is weaker, which is suitble to low-speed print mode；Other part technical solution is selected to reduce coating cost Calcium carbonate substitution part of silica all uses calcium carbonate as the pigment of coating, but shape and partial size point to calcium carbonate Cloth does not propose to be distinctly claimed, and is also only able to satisfy the low of normal printer using the ink-absorbed coated layer that conventional calcium carbonate product obtains Fast printing model, under the highspeed print mode of industrial digital-code printer, the coating structure that is not optimised, it may appear that color is not bright-coloured Or the problems such as colour cast.
Compared with prior art, the invention has the advantages that and the utility model has the advantages that
(1) the present invention provides a kind of preparation methods of white board suitable for flying print, by constructing porosity function Surface layer of the energy coating as white board, makes the white board of preparation meet the highspeed print mode demand of industrial digital-code printer, tool There is good ink to absorb and coloration ability, can be obtained that color is full after printing, the high printed matter of clarity.
(2) preparation method provided by the invention has selected calcium carbonate as coating color, to the shape and grain of calcium carbonate Diameter distribution innovatively proposes related request, so that the white board prepared is not only able to satisfy the low-speed print mould for commonly promising machine The requirement of formula can also use under the highspeed print mode of industrial digital-code printer；Coating structure after optimization is not in face Not the problems such as color is not bright-coloured or colour cast.
(3) preparation method provided by the invention is different from the existing technical solution using silica, has selected calcium carbonate As coating color, production cost is reduced, has certain meaning to industrialized production is applied to.
Detailed description of the invention
Fig. 1 is site distribution schematic diagram under comparative example 1, embodiment 1-3 field density；
Fig. 2 is site distribution schematic diagram under comparative example 2,3 field density of comparative example；
Fig. 3 is site distribution schematic diagram under 4 field density of comparative example.
Specific embodiment
If being that those skilled in the art can join it is noted that having the process or parameter of not special detailed description below According to the prior art understand or realize.
The white board and preparation method thereof that the present invention provides a kind of suitable for flying print, for solving in the prior art Existing ink jet coatings can not be suitable for the technological deficiency of flying print.
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 embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects It encloses.In order to which advantage of the invention is described in more detail, compared below with reference to the embodiment and the present invention of existing public technology scheme, into Row is specifically described.
Weight used in following embodiment and comparative example (quality) number, as an example, portion can be 1kg, can also To be other any dosages commonly used in the art.
Comparative example 1
Patent name: a kind of Alhue paper (patent No.: 200510048121.4), 1 scheme of embodiment of the patent.
The patent is coated with one layer of aqueous jet coating, the component and its parts by weight of the coating paper base on one side are as follows:
It counts by weight, 5 parts of PVA125 is dissolved into 45 parts of water, 10% PVA aqueous solution is obtained；Take 100 parts The JetCoat of 25% (W) is mixed with above-mentioned PVA aqueous solution, then be added 1 part of RETAMINOL KT, 1 part of zirconium carbonate ammonium and Remaining 442 parts of water, stirs evenly, and obtains solid content 18%, the aqueous jet coating of viscosity 0.01PaS.
Using aqueous jet coating derived above as the coating of white board, dry after coating, press polish obtains inkjet printing Paper, the coating weight are 6g/m2, the body paper, drying and press polish parameter are identical as comparative example 4 of the invention.
Comparative example 2
Patent name: novel color inkjet printing paper coating formulations (patent No.: 201510398838.5), the reality of the patent Apply 1 scheme of example.
Include following components according to mass fraction meter: 20 parts of nano silica, 75 parts of deionized water, modified alta-mud 8 Part, 3 parts of acrylic emulsion, 3.6 parts of modified aluminas, 13 parts of carboxymethyl cellulose, 5.2 parts of polyvinyl alcohol, 1.8 parts of boric acid, gather 5 parts of dimethyl propylene ammonium chloride.
The above component is configured to coating, using obtained coating as the coating of white board, dry after coating, press polish is obtained To Alhue paper, the coating weight is 6g/m2, the body paper, drying and press polish parameter are identical as comparative example 4 of the invention.
Comparative example 3
Patent name: a kind of matt color ink jet printer paper paint and preparation method thereof (patent No.: 200810242828.2) 1 scheme of embodiment of the patent.
1,0.05 part of Sodium Polyacrylate is added in 85 parts of deionized water at room temperature and is dissolved；In the deionization dissolved 2.3 parts of modified alta-mud are added in water, disperses at room temperature；Using GFJ-04 type high speed disperser, disperse revolving speed: 3500r/min； Jitter time: 45min；Modified alta-mud dispersion liquid mass percentage concentration: 3%；
2,9.0 parts of silica dispersions are added in modified alta-mud dispersion liquid, modified alta-mud and silica is made Mixed dispersion liquid；Disperse revolving speed: 3000r/min；Jitter time: 30min, mixed dispersion liquid mass percentage concentration 12%；
3, polyvinyl alcohol under stirring conditions, is added in modified alta-mud and silica mixing dispersion mixing liquid (1788) 3.4 parts, it is fine to sequentially add 0.006 part of silicone antifoams agent, 0.2 part of polydimethyl diallyl ammonium chloride and carboxymethyl 0.1 part of dimension element is mixed evenly and painting feed liquid is made；Speed of agitator: 2500r/min；Mixing time 20min.
Using coating derived above as the coating of white board, dry after coating, press polish obtains Alhue paper, described Coating weight is 6g/m2, the body paper, drying and press polish parameter are identical as comparative example 4 of the invention.
Comparative example 4
(1) by 100 parts of calcium carbonate (calcium carbonate shape is fusiform, average grain diameter 1.0um), 8 parts of polyvinyl alcohol, polyethylene 3 parts of amine, 0.075 part of mineral oil antifoam agent, 111 parts of water are configured to coating, coating solids 50%.
(2) coating of preparation is coated on quantification of 150g/m2White board surface (front), coating method are to scrape cutter painting Cloth, coating weight 6g/m2, the drying temperature is 120 DEG C；
(3) to the pattern press polish after coating, Alhue paper is obtained, the calendering temperature is 150 DEG C, pressure 50kN/ m。
Embodiment 1
(1) by 90 parts of calcium carbonate, (calcium carbonate is spheric granules, and by mass percentage, partial size 0-0.4um accounting is 5- 8%, partial size 0.4-1um accounting 75-85%, partial size 1um-2um accounting 10-25%), 4 parts of polyvinyl alcohol, 1 part of modified starch, gather 5 parts of quaternary ammonium chloride of acrylic acid dimethylamine ethyl ester, 0.025 part of polyether antifoam agent, 66.7 parts of water are configured to coating, coating solids 60%.
(2) coating of preparation is coated on quantification of 420g/m2White board surface (front), coating method are curtain painting Cloth, coating weight 12g/m2, the drying temperature is 160 DEG C.
(3) to the pattern press polish after coating, the white board for being suitable for flying print is obtained, the calendering temperature is 230 DEG C, pressure 10kN/m.
Embodiment 2
(1) by 100 parts of calcium carbonate, (calcium carbonate is spheric granules, and by mass percentage, partial size 0-0.4um accounting is 5- 8%, partial size 0.4-1um accounting 75-85%, partial size 1um-2um accounting 10-25%), 8 parts of polyvinyl alcohol, 3 parts of polyvinylamine, mine 0.075 part of object oil defoaming agent, 111 parts of water are configured to coating, coating solids 50%.
(2) coating of preparation is coated on quantification of 150g/m2White board surface (front), coating method are to scrape cutter painting Cloth, coating weight 6g/m2, the drying temperature is 120 DEG C；
(3) to the pattern press polish after coating, the white board for being suitable for flying print is obtained, the calendering temperature is 150 DEG C, pressure 50kN/m.
Embodiment 3
(1) by 110 parts of calcium carbonate, (calcium carbonate is spheric granules, and by mass percentage, partial size 0-0.4um accounting is 5- 8%, partial size 0.4-1um accounting 75-85%, partial size 1um-2um accounting 10-25%), 9 parts of polyvinyl alcohol, carboxymethyl cellulose 1 Part, 2 parts of aqueous polyurethane, 0.1 part of organic silicon defoamer, 183.1 parts of water are configured to top coat, coating solids 40%.
(2) coating of preparation is coated on quantification of 100g/m2White board surface (front), coating method are scraper painting Cloth, coating weight 4g/m2, the drying temperature is 70 DEG C.
(3) to the pattern press polish after coating, the white board for being suitable for flying print is obtained, the calendering temperature is 60 DEG C, pressure 60kN/m.
Test evaluation:
The Alhue paper of comparative example 1-4, embodiment 1-3 preparation are used into industry digital high-speed printer (printing type Number: Handway Glory1604 produces company: Shenzhen Chinese Chinese workers' industry digital equipment Co., Ltd) printing, print speed 100m/ Min, resolution ratio 600*600dpi, 12PL mode are evaluated (test to the apparent of sample, field density and coloration after printing Instrument: Spectrodensiotometer X-rite500, X. Rite Inc., the U.S.) as shown in following table (table 1 and table 2), table 1 is that sample is close on the spot Tables of data is spent, table 2 is sample coloration.
Table 1
Comparative example 1 Comparative example 2 Comparative example 3 Comparative example 4 Embodiment 1 Embodiment 2 Embodiment 3
Field density blueness (C) 0.43 0.36 0.33 0.30 0.33 0.33 0.34
Field density magenta (M) 0.8 0.74 0.66 0.66 0.74 0.76 0.73
Field density Huang (Y) 0.69 0.68 0.61 0.83 0.87 0.87 0.89
Field density is black (K) 1.15 1.27 1.09 1.22 1.24 1.29 1.29
Field density is red (R) 0.92 1.17 1.1 0.99 1.09 1.09 1.1
Field density is green (G) 0.81 0.85 0.79 0.72 0.74 0.76 0.78
Field density indigo plant (B) 1.21 1.31 1.24 1.23 1.24 1.3 1.31
Table 2
To embodiment 1-3, the Alhue paper printing effect of comparative example 1-4 preparation is observed, comparative example 2, comparative example 3 Site distribution under field density is as shown in Fig. 2, ink dot deformation is comparative example 2, comparative example the reason of seriously, generating the phenomenon 3 use silica system coating, since osmotic absorption of the type coating to ink acts on stronger, the infiltration of ink and paper coating Thoroughly and diffusion is unbalance, and osmosis is better than diffusion, while being influenced by paper high speed movement, and the pattern of formation goes out Existing streak shape shows money or valuables one carries unintentionally phenomenon.
For site distribution under 1 field density of comparative example as shown in Figure 1, ink dot state is normal, comparative example 1 is heavy using sheet Shallow lake calcium carbonate replacement of silicon dioxide, since the specific surface area of calcium carbonate is low, oil factor is low, infiltration of the coating constituted to ink Declines, by paper high speed is mobile influenced while, the balanced diffusion and osmosis of ink, therefore streak shape The phenomenon that shows money or valuables one carries unintentionally weakens, but since the coating structure distribution of pores that flaky calcium carbonate is formed is uneven, fixed to the absorption of different colorants It is unbalanced, it causes tone partially dark, shows as that cyan (C), magenta (M) field density is higher, chromameter L value is relatively low, yellow (Y), Black (K) field density is relatively low, and chromameter L value is higher, and pattern color dimness is not bright-coloured.
Site distribution under 4 field density of comparative example as shown in figure 3, comparative example 4 use fusiform calcium carbonate, remaining Raw material is same as Example 2, prints after coating, and form and aspect unsaturation occurs in pattern, this is because spindle calcium carbonate constructs At ink-absorbed coated layer hole it is uneven, the different zones position of coating has differences the absorption rate of ink, leads to part site Unsaturation, meanwhile, cyan (C), magenta (M) chromameter L value is higher, field density is relatively low, and pattern color is not light, full.
Site distribution is as shown in Fig. 1 under embodiment 1-3 field density, and embodiment 1-3 is constructed with spherical calcium carbonate A kind of porous coating structure, by paper high speed it is mobile influenced while, diffusion, the infiltration of balanced ink are made With simultaneously because different colorants are adsorbed fixed equilibrium, therefore using industrial digital-code printer flying print by the uniformity of hole Exquisite pattern can be obtained after mode printing.
Above embodiments are only preferrred embodiment of the present invention, for explaining only the invention, are not intended to limit the present invention, this Field technical staff should belong to guarantor of the invention without departing from change made under spirit of the invention, replacement, modification etc. Protect range.

Claims (10)

1. a kind of white board suitable for flying print, which is characterized in that including original paper layer and coating layer；The original of the coating layer Expect in parts by weight, including following substance:
80-120 parts of calcium carbonate；
5-10 parts of adhesive；
2-5 parts of cationic fixing agent；
0.025-0.1 parts of defoaming agent.
2. a kind of white board suitable for flying print according to claim 1, which is characterized in that the original paper layer is determined Amount is 100-420g/m2。
3. a kind of white board suitable for flying print according to claim 1, which is characterized in that the calcium carbonate is ball Shape particle, by mass percentage, the grain composition of calcium carbonate are partial size 0-0.4um accounting 5-8%, partial size 0.4-1um accounting 75-85%, partial size 1um-2um accounting 10-25%.
4. a kind of white board suitable for flying print according to claim 1, which is characterized in that the adhesive is poly- One or more of vinyl alcohol, modified starch, carboxymethyl cellulose；The cationic fixing agent is season more ammonium salts, cation is poly- One or more of amine or aqueous polyurethane.
5. a kind of white board suitable for flying print according to claim 4, which is characterized in that season more ammonium salt packets Include polyacrylic acid dimethylamine ethyl ester quaternary ammonium chloride, polydimethyl diallyl ammonium chloride；The cationic polyamine includes poly- second Enamine and polyethyleneimine.
6. a kind of white board suitable for flying print according to claim 1, which is characterized in that the defoaming agent is mine One or more of object oil defoaming agent, organic silicon defoamer or polyether antifoam agent.
7. a kind of method prepared described in claim any one of 1-6 suitable for the white board of flying print, which is characterized in that packet Include following steps:
(1) raw material of coating layer is weighed, is uniformly mixed and forms coating；
(2) coating layer is formed in original paper layer front application step (1) coating；
(3) white board for being suitable for flying print is obtained after drying, press polish.
8. preparation method according to claim 7, which is characterized in that the solid content of coating described in step (1) is 40- 60%.
9. preparation method according to claim 7, which is characterized in that the mode of coating described in step (2) includes scraper Coating, scraper coating and curtain coating；The coating weight of coating described in step (2) is 4-12g/m2。
10. preparation method according to claim 7, which is characterized in that drying temperature described in step (3) is 70-160 ℃；The calendering temperature is 60-230 DEG C, and the pressure of press polish is 10-60kN/m.
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CN110714360A (en) * 2019-10-24 2020-01-21 齐鲁工业大学 Coating for white drawings and preparation method thereof
WO2020181792A1 (en) * 2019-03-08 2020-09-17 华南理工大学 Coated cardboard suitable for high-speed ink-jet printing and preparation method therefor

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