CN110093808A - A kind of digital printing water-based paper coating material and preparation method thereof - Google Patents
A kind of digital printing water-based paper coating material and preparation method thereof Download PDFInfo
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- CN110093808A CN110093808A CN201910322907.2A CN201910322907A CN110093808A CN 110093808 A CN110093808 A CN 110093808A CN 201910322907 A CN201910322907 A CN 201910322907A CN 110093808 A CN110093808 A CN 110093808A
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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
-
- 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
- B41M5/5227—Macromolecular coatings characterised by organic non-macromolecular additives, e.g. UV-absorbers, plasticisers, surfactants
-
- 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
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- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/25—Cellulose
- D21H17/26—Ethers 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/36—Polyalkenyalcohols; 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
-
- 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
- D21H19/10—Coatings without pigments
- D21H19/12—Coatings without pigments applied as a solution using water as the only solvent, e.g. in the presence of acid or alkaline 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
- 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
- D21H21/14—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
- D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents
Abstract
The invention discloses a kind of digital printing water-based paper coating materials, it is made of the raw material of following parts by weight: 40-80 parts of deionized water, 10-30 parts of hydrophilic cellulose resin, 0.3 ~ 3 part of thickener, 1-10 parts of tackifying resin, 1-10 parts of weakly acidic resin, 0.5-2 parts of PH neutralizer, 0.1-3 parts of antimildew disinfectant, water-soluble levelling agent 0.1-3 parts, 0.2-0.5 parts and chelate 0.05-0.5 parts of Self-leveling defoaming agent；The invention also discloses the preparation methods of the digital printing water-based paper coating material.The present invention can promote the quick fixation of aqueous jet, drying, adhesion, not lose powder.
Description
Technical field
The present invention relates to coating paper sheet processing technical fields, and in particular to a kind of digital printing water-based paper coating painting
Material and preparation method thereof.
Background technique
With the development of society, requirement of the people to living environment gradually increases, needed to cater to requirement and the market of environmental protection
The market of the diversification asked, short printing increases rapidly.For short printing, digital printing obtains due to efficiently advantage
The characteristics of quickly development, now urgent need will be for digital printing, develops corresponding printing, especially aqueous jet.
Digital printing is broadly divided into electrophotographic image forming and ink-jet imaging in the market, the former and the paper way of contact are similar to offset printing
Printing, the latter are contactless tiny spray head imaging and mostly aqueous jet, this is just required the anti-picking of paper and aqueous oil
Being required by ink for ink is tightened up.
Colorant is few in the ink of aqueous jet, and resin content is few, and most of is water or alcohol organic solvent, general meta-alkali.
Aqueous jet relies primarily on infiltration to dry and generate attachment, requires paper absorbency to be higher than common coating paper, needs blotting
The good coating of performance.
Traditional closely knit coating paper utilizes SiO2, ultrafine kaolin and ultra-fine CaCO2Fillers are waited to increase voidage, from
And promote digital aqueous jet rapid draing, but be reduction of the gloss and transparency of printed matter, and increase powder picking
Risk.
Summary of the invention
In view of this, aqueous jet can be promoted quick in view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of
Fixation, drying, adhesion, the digital printing water-based paper coating material not lost powder, while additionally providing the digital printing water
The preparation method of property paper coating coating.
In order to achieve the above objectives, the invention adopts the following technical scheme:
A kind of digital printing water-based paper coating material, is made of the raw material of following parts by weight: 40-80 parts of deionized water, parent
10-30 parts of aqueous cellulose resin, 0.3 ~ 3 part of thickener, 1-10 parts of tackifying resin, 1-10 parts of weakly acidic resin, PH neutralizer
0.5-2 parts, 0.1-3 parts of antimildew disinfectant, water-soluble levelling agent 0.1-3 parts, 0.2-0.5 parts of Self-leveling defoaming agent and chelate
0.05-0.5 parts.
Feature in view of the above technology, the conductivity of deionized water are 0 ~ 50us/cm；The resin-bonded paper base of hydrophilic cellulose
Surface, structure proximate paper fibre form hole, are bonded powder, form quick water absorption layer, improve the paper property write, are conducive to
The quick fixation of water-based ink；Thickener is used to improve the viscosity of coating, guarantees printing levelability；Tackifying resin is used to improve powder
The cohesive force of body and paper base surface；Weakly acidic resin has Gao Shoumo to aqueous jet, quickly absorbs the bases of aqueous jet
Or amines stabilizer, while having preferable compatibility to aqueous colorant or dyestuff, there is aqueous jet on coating attached
Property；PH neutralizer is used to the pH value of adjusting coating, so that weakly acidic resin becomes water-soluble；Antimildew disinfectant prevents bacterium point
Solution, it is smelly after avoiding paper from placing；Water-soluble levelling agent be conducive to improve coating levelability, make coating on paper have compared with
Good levelability；Self-leveling defoaming agent plays the role of defoaming, prevents from generating bubble in stirring and printing, while also having levelling work
With；Chelate can be effectively prevented in water and the calcium ion on paper and heavy metal ion form insoluble matter to coating and cause to precipitate
Thickening or knot cream.
Preferably, the hydrophilic cellulose resin is Arabic gum resin, polyvinyl pyridine alkanone resin, corn shallow lake
At least one of powder, oxidized starch, dextrin and water-soluble cellulose resin.
Preferably, the thickener is that sodium carboxymethylcellulose resin, hydroxyethyl cellulose resin and hydroxypropyl methyl are fine
Tie up at least one of plain resin.
Preferably, the tackifying resin is polyvinyl acetate emulsion, ethylene-vinyl acetate copolymer emulsion and polyvinyl alcohol
At least one of resin.
Preferably, the weakly acidic resin is at least one of maleic rosin modified resin and acrylic acid modified resin.
Preferably, the PH neutralizer is at least one in ammonium hydroxide, monoethanolamine, diethanol amine and NN dimethylethanolamine
Kind.
Preferably, the antimildew disinfectant be in Kathon CG germicide series and 1,2-benzisothiazolin-3-one at least
It is a kind of；The water solubility levelling agent is water-soluble Gemini nonionic surfactant, the water solubility Gemini nonionic table
Face activating agent is at least one of 485 surfactant of 465 surfactant of aerochemistry and aerochemistry.
Preferably, the chelate is at least one of calgon, edta salt and lemon acid salt；The Self-leveling
Defoaming agent is organosilicon and Gemini surfactant, and the Gemini surfactant is 104 surfactant of aerochemistry
At least one of with Tego822 defoaming agent.
A kind of preparation method of digital printing water-based paper coating material, includes the following steps:
1) deionized water, hydrophilic cellulose resin and thickener are added to according to the ratio in blending tank and stir 25-30min, so
After be heated to boiling, continue to naturally cool to 35-50 DEG C after 5-15min, then add tackifying resin, stir 10-15min, obtain
Just mixed liquid, for use；
2) deionized water is added into weakly acidic resin again and PH neutralizer, strong stirring 1h obtain mixture, it is spare；
3) according to the ratio by the resulting mixture of step 2, antimildew disinfectant, water-soluble levelling agent, Self-leveling defoaming agent and chelate
It is added sequentially in the resulting just mixed liquid of step 1), dispersion stirring 35-45min obtains the painting of digital printing water-based paper coating
Material.
Preferably, the pH value of the digital printing water-based paper coating material obtained in step 3) is 7-8, solid content
For 20-40%.
The primary efficacy of the raw materials used in the present invention:
Arabic gum resin: it is odorless, it is tasteless, it is inflammable, part protein substance and rhamnose are had in structure, so Arabic gum
Resin has very good amphipathic property；Can gradually be dissolved into water in acid viscous liquid, by it is some when
Between then viscosity lower, solubility about 50% (W/V), do not dissolve in ethyl alcohol, stable coacervate can be formed with gelatin or albumin.
Polyvinyl pyridine alkanone resin: it is highly soluble in water and containing halogenated hydrocarbon solvent, alcohols, amine, nitroparaffins and low
Molecules of fatty acids etc., insoluble in a small number of solvents such as acetone, ether, turpentine oil, aliphatic hydrocarbon and alicyclic, with most inorganic acid salts,
Various kinds of resin is compatible；It has micro- smelly with hydrophily for the powder of easily flowing white or substantial white.
Cornstarch: the white flaxen powder of micro-strip；Hygroscopicity is strong, can be up to 30% or more.
Oxidized starch: it is that starch acts in acid, alkali, neutral medium with oxidant, makes one kind obtained from starch oxidation
Converted starch.Oxidized starch reduces starch gelatinization temperature, and heat paste viscosity becomes smaller and thermal stability increases, and product colour is pure white,
Transparent, good film-forming property is pasted, freeze-thaw resistance is good.
Dextrin: for reducing the viscosity of starch, the impregnability of slurries is improved.
Sodium carboxymethylcellulose resin: it is odorless, tasteless, have good hygroscopicity, be easily dispersed city transparent adhesive tape in water
Shape solution.
Hydroxyethyl cellulose resin: thickening property significant effect, color developing, film forming and excellent storage stability can be very wide
PH within the scope of use, it is good with other components compatibility, and have good rheological characteristic.
Hydroxypropyl methyl cellulose resin: all there is good intermiscibility in water or organic solvent, the transparency is high, performance
Stablize, good water-retaining property.
Polyvinyl acetate emulsion: can room temperature curing, rate of drying is fast, and glue-line is colorless and transparent, does not pollute adherend, right
Environmental nonpollution, it is safe and harmless.
Ethylene-vinyl acetate copolymer emulsion: have closedcells structure, do not absorb water, be moisture-proof, water resistance it is good；Resistance to sea
The corrosion of the chemicals such as water, grease, acid, alkali, it is antibacterial, nontoxic, tasteless, pollution-free；Resilience and tension stress are high, and toughness is high, have
Good shockproof, cushion performance；Heat-insulated, heat-insulating and cold and low temperature performance excellent can cold-resistant and exposures.
Polyvinyl alcohol resin: white solid, external form is in point a cotton-shaped, graininess, three kinds of powdery；It is non-toxic and tasteless, pollution-free, it can
It is dissolved in 80--90 DEG C of water, aqueous solution has good cementability and film forming；It is resistant to oils, lubricant and hydro carbons etc. mostly
Number organic solvent.
Maleic rosin modified resin: the drying property of film, water-tolerant, hardness height can be effectively improved.
Acrylic acid modified resin: there is excellent gloss retention, colour retention, be not pulverized easily, good luster.
Kathon CG germicide series: for inhibiting the growth of microorganism, to saccharomycete, fungi, gram- bacteria, heterotrophic bacteria,
Algae etc. has preferable inhibitory effect.
1,2-benzisothiazolin-3-one: its growth can be inhibited, irreversibly promptly so as to cause microbial cell
Death, therefore there is very strong inhibition and killing effect to common bacteria, fungi, algae etc..
465 surfactant of aerochemistry: it has the performances such as good hydrophily, wetting, low bubble；It is effectively reduced water base
System surface tension reduces dynamic surface tension.
485 surfactant of aerochemistry: for reducing the dynamic surface tension and static surface tension of system, and improve
Its solubility and compatibility in water paint, water-based ink, adhesive.
104 surfactant of aerochemistry: for water based systems nonionic surfactant, there is wetting, levelling, defoaming etc.
Multiple function.
Tego822 defoaming agent: for significantly improving the transparency of mobility and system.
Calgon: it is soluble easily in water, organic solvent is not dissolved in, hygroscopicity is very strong, and being placed in air gradually to absorb
Moisture and in glutinous jelly；Soluble complexes can be generated with metal ions such as calcium, magnesium.
Edta salt: being the representative substances of chelating agent, and the formation such as energy and alkali metal, rare earth element and transition metal are stable
Water soluble complex.
Lemon acid salt: good water solubility has excellent sequestering power to metal ions such as Ca2+, Mg2+ in water, can send out
Raw biodegrade, dispersibility and antiredeposition ability are strong.
The beneficial effects of the present invention are:
Digital printing water-based paper coating material of the present invention can form one layer of cellulose layer on paper, and cellulose layer itself is easy
It is and very hydrophilic in generating hole, it is similar with paper structure, using capillary osmotic effect, be conducive to make digital aqueous
Ink-jet rapid osmotic is dry, and adhesion is good；The fiber coat that the coating is formed has protective effect to powder, avoids the danger of picking
Danger；The wear resistance for increasing paper simultaneously, prevents paper from scratching, the gloss of raising paper coloring layer and bright-colored degree.
The viscosity of digital printing water-based paper coating material of the present invention is to apply 4 glasss 30 ~ 150 seconds；It is good to paper adhesion,
Paper after being coated with, under 3M adhesive tape test, paper base rupture.
Specific embodiment
The present invention will be further described below with reference to examples.
Embodiment 1
A kind of digital printing water-based paper coating material, is made of the raw material of following parts by weight: 65.7 parts of deionized water, I
5 parts of primary gum resin, it is 10 parts of cornstarch, 1 part of sodium carboxymethylcellulose resin, 10 parts of polyvinyl acetate emulsion, acrylic acid modified
5 parts of resin, 1.5 parts of ammonium hydroxide, 0.5 part of Kathon CG germicide series, 0.5 part of 465 surfactant of aerochemistry, aerochemistry 104
0.3 part and 0.5 part of calgon of surfactant.
The preparation method of the digital printing water-based paper coating material, includes the following steps:
1) deionized water, Arabic gum resin, cornstarch and sodium carboxymethylcellulose resin are added to by said ratio mixed
It closes in tank and stirs 25min, be then heated to boiling, continue to stop heating after 10min, so that it is naturally cooled to 40 DEG C, then add
Addition polymerization acetate emulsion stirs 15min, obtains just mixed liquid, for use；
2) deionized water and ammonium hydroxide are added into acrylic acid modified resin again, 1h is stirred, obtains mixture, it is spare；
3) by the resulting mixture of step 2, Kathon CG germicide series, 465 surfactant of aerochemistry, 104 table of aerochemistry
Face activating agent and calgon are added sequentially in the resulting just mixed liquid of step 1) by said ratio, and dispersion stirring 40min is obtained
To digital printing water-based paper coating material.
The viscosity of the obtained digital printing water-based paper coating material of the embodiment is 40 seconds, applies 4 glasss；Adhesive force
It is paper base rupture under the conditions of 3M adhesive tape test.
Embodiment 2
A kind of digital printing water-based paper coating material, is made of the raw material of following parts by weight: 65.8 parts of deionized water, I
8 parts of primary gum resin, 20 parts of oxidized starch, 0.5 part of hydroxypropyl methyl cellulose resin, 8 parts of ethylene-vinyl acetate copolymer emulsion, horse
Come 7 parts of modified rosin resin, 2 parts of monoethanolamine, 0.5 part of 1,2-benzisothiazolin-3-one, 485 surface-active of aerochemistry
2 parts of agent, 0.2 part of Tego822 defoaming agent and citric acid two receive 0.5 part.
The preparation method of the digital printing water-based paper coating material, includes the following steps:
1) deionized water, Arabic gum resin, oxidized starch and hydroxypropyl methyl cellulose resin are added to by said ratio
30min is stirred in blending tank, is then heated to boiling, is continued to stop heating after 5min, so that it is naturally cooled to 35 DEG C, then add
Add ethylene-vinyl acetate copolymer emulsion, stir 10min, obtains just mixed liquid, for use；
2) deionized water and monoethanolamine are added into maleic rosin modified resin again, 1h is stirred, obtains mixture, it is spare；
3) by the resulting mixture of step 2,1,2- benzisothiazole-3-ketone, 485 surfactant of aerochemistry,
Tego822 defoaming agent and citric acid two are received to be added sequentially in the resulting just mixed liquid of step 1) by said ratio, dispersion stirring
35min obtains digital printing water-based paper coating material.
The viscosity of the obtained digital printing water-based paper coating material of the embodiment is 86 seconds, applies 4 glasss；Adhesive force is
Under the conditions of 3M adhesive tape test, paper base rupture.
Embodiment 3
A kind of digital printing water-based paper coating material, is made of the raw material of following parts by weight: 65.2 parts of deionized water, oxidation
20 parts of starch, 10 parts of polyvinyl pyridine alkanone resin, 0.5 part of hydroxyethyl cellulose resin, 6 parts of polyvinyl alcohol resin, Malaysia pine
5 parts of fragrant modified resin, 1.5 parts of NN dimethylethanolamine, 0.2 part of Kathon CG germicide series, 465 surfactant 1 of aerochemistry
Part, 0.4 part and 0.2 part of EDTA4Na of Tego822 defoaming agent.
The preparation method of the digital printing water-based paper coating material, includes the following steps:
1) deionized water, oxidized starch, polyvinyl pyridine alkanone resin and hydroxyethyl cellulose resin are added by said ratio
27min is stirred into blending tank, is then heated to boiling, continues to stop heating after 15min, it is made to naturally cool to 50 DEG C,
Polyvinyl alcohol resin is added again, stirs 13min, obtains just mixed liquid, for use；
2) deionized water and NN dimethylethanolamine are added into maleic rosin modified resin again, 1h is stirred, obtains mixture, it is standby
With；
3) by the resulting mixture of step 2, Kathon CG germicide series, 465 surfactant of aerochemistry, Tego822 defoaming agent
It is added sequentially in the resulting just mixed liquid of step 1) with EDTA4Na by said ratio, dispersion stirring 45min obtains digital printing
Water-based paper coating material.
The viscosity of the obtained digital printing water-based paper coating material of the embodiment is 101 seconds, applies 4 glasss；Adhesive force
It is paper base rupture under the conditions of 3M adhesive tape test.
Embodiment 4
A kind of digital printing water-based paper coating material, is made of the raw material of following parts by weight: 40 parts of deionized water, dextrin 10
Part, 1 part of sodium carboxymethylcellulose resin, 1 part of ethylene-vinyl acetate copolymer emulsion, 1 part of acrylic acid modified resin, monoethanolamine
0.2 part, 0.3 part of diethanol amine, 0.1 part of 1,2-benzisothiazolin-3-one, 0.1 part of 465 surfactant of aerochemistry,
0.2 part of 104 surfactant of aerochemistry and lemon acid receive 0.05 part.
The preparation process of the embodiment is same as Example 1.
The viscosity of the obtained digital printing water-based paper coating material of the embodiment is 145 seconds, applies 4 glasss；Adhesive force
It is paper base rupture under the conditions of 3M adhesive tape test.
Embodiment 5
A kind of digital printing water-based paper coating material, is made of the raw material of following parts by weight: 80 parts of deionized water, Arabic
10 parts of gum resin, 20 parts of polyvinyl pyridine alkanone resin, 5 parts of hydroxyethyl cellulose resin, 10 parts of polyvinyl acetate emulsion, Malaysia
10 parts of sour modified rosin resin, 2 parts of ammonium hydroxide, 3 parts of Kathon CG germicide series, 3 parts of 485 surfactant of aerochemistry,
0.5 part and 0.5 part of calgon of Tego822 defoaming agent.
The preparation process of the embodiment is same as Example 1.
The viscosity of the obtained digital printing water-based paper coating material of the embodiment is 101 seconds, applies 4 glasss；Adhesive force
It is paper base rupture under the conditions of 3M adhesive tape test.
Comparative example 1
A kind of digital printing water-based paper coating material, is made of the raw material of following parts by weight: 65.7 parts of deionized water, carboxylic first
1 part of base sodium cellulosate resin, 10 parts of polyvinyl acetate emulsion, 5 parts of acrylic acid modified resin, 1.5 parts of ammonium hydroxide, the sterilization of Kathon CG series
0.5 part of agent, 0.5 part of 465 surfactant of aerochemistry, 0.3 part of 104 surfactant of aerochemistry and calgon 0.5
Part.
Compared with Example 1, this, which is prepared, only lacks hydrophilic fibre resin in raw material, preparation process and embodiment 1 are complete
It is exactly the same.
Paper made of coating using comparative example preparation is easy picking.
Comparative example 2
A kind of digital printing water-based paper coating material, is made of the raw material of following parts by weight: 65.7 parts of deionized water, I
5 parts of primary gum resin, 10 parts of cornstarch, 1 part of sodium carboxymethylcellulose resin, 10 parts of polyvinyl acetate emulsion, 1.5 parts of ammonium hydroxide,
0.5 part of Kathon CG germicide series, 0.5 part of 465 surfactant of aerochemistry, 0.3 part of 104 surfactant of aerochemistry and six
0.5 part of sodium metaphosphate.
Compared with Example 1, this, which is prepared, only lacks weakly acidic resin in raw material, preparation process and the complete phase of embodiment 1
Together.
Paper made of coating using comparative example preparation is not easy to paint.
Comparative example 3
A kind of digital printing water-based paper coating material, is made of the raw material of following parts by weight: 65.7 parts of deionized water, I
5 parts of primary gum resin, it is 10 parts of cornstarch, 1 part of sodium carboxymethylcellulose resin, 10 parts of polyvinyl acetate emulsion, acrylic acid modified
5 parts of resin, 1.5 parts of ammonium hydroxide, 0.5 part and 0.5 part of calgon of 465 surfactant of aerochemistry.
Compared with Example 1, this, which is prepared, only lacks antimildew disinfectant and Self-leveling defoaming agent in raw material, preparation process with
Embodiment 1 is identical.
Paper made of coating using comparative example preparation has foul smell, pollutes environment；And paper is coated painting
Unevenness is smeared, it is inconvenient for use.
It is compared and is obtained with comparative example 1-3 by above-described embodiment 1-5, embodiment 1-5 has quick blotting, fast drying, attached
Put forth effort it is strong, do not lose powder, be tasteless, advantage easy to apply.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, this field is common
Other modifications or equivalent replacement that technical staff makes technical solution of the present invention, without departing from technical solution of the present invention
Spirit and scope, be intended to be within the scope of the claims of the invention.
Claims (10)
1. a kind of digital printing water-based paper coating material, which is characterized in that be made of the raw material of following parts by weight: deionization
40-80 parts of water, 10-30 parts of hydrophilic cellulose resin, 0.3 ~ 3 part of thickener, 1-10 parts of tackifying resin, weakly acidic resin 1-10
Part, 0.5-2 parts of PH neutralizer, 0.1-3 parts of antimildew disinfectant, water-soluble levelling agent 0.1-3 parts, Self-leveling defoaming agent 0.2-
0.5 part and chelate 0.05-0.5 parts.
2. digital printing water-based paper coating material according to claim 1, which is characterized in that the hydrophilic fibre
Plain resin is Arabic gum resin, polyvinyl pyridine alkanone resin, cornstarch and oxidized starch, dextrin and water-soluble cellulose
At least one of resin.
3. digital printing water-based paper coating material according to claim 1, which is characterized in that the thickener is carboxylic
At least one of methylcellulose sodium resin, hydroxyethyl cellulose resin and hydroxypropyl methyl cellulose resin.
4. digital printing water-based paper coating material according to claim 1, which is characterized in that the tackifying resin is
At least one of polyvinyl acetate emulsion, ethylene-vinyl acetate copolymer emulsion and polyvinyl alcohol resin.
5. digital printing water-based paper coating material according to claim 1, which is characterized in that the weakly acidic resin
For at least one of maleic rosin modified resin and acrylic acid modified resin.
6. digital printing water-based paper coating material according to claim 1, which is characterized in that the PH neutralizer is
At least one of ammonium hydroxide, monoethanolamine, diethanol amine and NN dimethylethanolamine.
7. digital printing water-based paper coating material according to claim 1, which is characterized in that the antimildew disinfectant
For at least one of Kathon CG germicide series and 1,2- benzisothiazole-3-ketone；The water solubility levelling agent is water solubility
Gemini nonionic surfactant, the water solubility Gemini nonionic surfactant is 465 surface-active of aerochemistry
At least one of 485 surfactant of agent and aerochemistry.
8. digital printing water-based paper coating material according to claim 1, which is characterized in that the chelate is six
At least one of sodium metaphosphate, edta salt and lemon acid salt；The Self-leveling defoaming agent is that organosilicon and Gemini surface are living
Property agent, the Gemini surfactant is at least one of 104 surfactant of aerochemistry and Tego822 defoaming agent.
9. a kind of preparation method of digital printing water-based paper coating material described in claim 1, which is characterized in that including
Following steps:
1) deionized water, hydrophilic cellulose resin and thickener are added to according to the ratio in blending tank and stir 25-30min, so
After be heated to boiling, continue to naturally cool to 35-50 DEG C after 5-15min, then add tackifying resin, stir 10-15min, obtain
Just mixed liquid, it is spare；
2) deionized water is added into weakly acidic resin again and PH neutralizer, strong stirring 1h obtain mixture, it is spare；
3) according to the ratio by the resulting mixture of step 2, antimildew disinfectant, water-soluble levelling agent, Self-leveling defoaming agent and chelate
It is added sequentially in the resulting just mixed liquid of step 1), dispersion stirring 35-45min obtains the painting of digital printing water-based paper coating
Material.
10. the preparation method of digital printing water-based paper coating material according to claim 9, which is characterized in that step
It is rapid 3) obtained in the digital printing water-based paper coating material pH value be 7-8, solid content 20-40%.
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| CN110700008A (en) * | 2019-09-12 | 2020-01-17 | 东莞光群雷射科技有限公司 | Varnish for sheet-type paper for digital printing machine and preparation process and application method thereof |
| CN110724447A (en) * | 2019-10-12 | 2020-01-24 | 海南必凯水性新材料有限公司 | Water-based digital printing primer and preparation method thereof |
| CN110819218A (en) * | 2019-10-12 | 2020-02-21 | 海南必凯水性新材料有限公司 | Wear-resistant water-based digital printing primer with high color fastness and preparation method thereof |
| CN114855502A (en) * | 2022-05-11 | 2022-08-05 | 北京山川物语科技有限公司 | Aqueous coating liquid for ink-jet digital printing paper and preparation method thereof |
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