CN107245904A - A kind of production method of high-performance ink-jet paper silica ink absorbent - Google Patents
A kind of production method of high-performance ink-jet paper silica ink absorbent Download PDFInfo
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- CN107245904A CN107245904A CN201710418640.8A CN201710418640A CN107245904A CN 107245904 A CN107245904 A CN 107245904A CN 201710418640 A CN201710418640 A CN 201710418640A CN 107245904 A CN107245904 A CN 107245904A
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- ink absorbent
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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
- 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
- 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
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
Abstract
The invention discloses a kind of production method of high-performance ink-jet paper silica ink absorbent, by SiO2Mass percent be 8 15% water glass solution and surfactant mixing, obtain mixed liquor, the mixed liquor be cooled to 15 25 DEG C, then add inorganic acid into the mixed liquor after cooling, be warming up to 40 70 DEG C after generation gel, obtain slurry；Its pH value is adjusted to 35, alkali is then added, its pH value is adjusted to 7 10；Inorganic acid is added after pH value is warming up into 85 95 DEG C, 60 120min of reaction for 7 10 slurry, the pH value of slurry is adjusted to 34, is then aged 30 60min, obtains reacted slurry；The reacted slurry is first washed, organic acid for adjusting pH value is then added to 24, obtains silica ink absorbent.The specific surface area of obtained silica ink absorbent is big, pore volume is big and pore-size distribution is concentrated, it is ensured that during print image, and the silica ink absorbent on paper has more uniform characterization of adsorption so that the image effect that printing is obtained is more life-like.
Description
Technical field
The present invention relates to chemical production technical field, more particularly to a kind of high-performance ink-jet paper silica ink absorbent
Production method.
Background technology
Silica ink absorbent is the sorbing material in the coating of color jet-ink paper surface, and coating is holding for color inks
Carrier, during printing, when ink is sprayed onto paper surface, the moisture penetration in ink is to coat inside, while the dioxy in coating
SiClx ink absorbent absorbs rapidly moisture, so as to ensure that diffusion and colour contamination etc. do not occur for the dyestuff in ink, it is ensured that ink droplet is round and smooth,
Edge clear, finally make it that the image resolution ratio formed is high, bright in luster, more life-like.Wherein, the change of silica ink absorbent
Learn index and microstructure plays vital effect to image effect.
The purity of silica ink absorbent is improved, the content of non-ferrous metal therein is reduced, the whiteness of paper can be improved
And glossiness, the paper of high whiteness and glossiness can strengthen the display effect of print image.Pore volume and specific surface area are larger
Silica adsorbance is big, and adsorption rate is fast, if the pore-size distribution of silica is concentrated, then the silica on paper is inhaled
Black agent has similar characterization of adsorption, can make it that the image effect of printing is more life-like.In addition, the pH of silica ink absorbent
Value can influence the mobility of silica ink absorbent, and mobility can influence silica ink absorbent being evenly distributed on paper
Property, so as to influence its characterization of adsorption.
The content of the invention
The technical problems to be solved by the invention are：A kind of production of high-performance ink-jet paper silica ink absorbent is provided
Method so that the specific surface area of the silica ink absorbent of preparation is big, pore volume is big and pore-size distribution is small.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of production method of high-performance ink-jet paper silica ink absorbent, by SiO2Mass percent be 8-15%
Water glass solution and surfactant mixing, obtain mixed liquor, the mixed liquor be cooled to 15-25 DEG C, then to cooling
40-70 DEG C is warming up to after inorganic acid, generation gel are added in mixed liquor afterwards, slurry is obtained；Continuously added into the slurry
Inorganic acid, adjusts its pH value to 3-5, then adds alkali, adjusts its pH value to 7-10；PH value is warming up to for 7-10 slurry
85-95 DEG C, react and inorganic acid is added after 60-120min, adjust the pH value of slurry to 3-4, be then aged 30-60min, obtain anti-
Slurry after answering；The reacted slurry is first washed, organic acid for adjusting pH value is then added to 2-4, obtains dioxy
SiClx ink absorbent.
The beneficial effects of the present invention are：Surfactant is added before reaction to control with steric effect during intensified response
Reaction rate processed, can obtain the silica dioxide granule that specific surface area is big, pore volume big and pore-size distribution is concentrated, and the present invention
Adjust the pH value of silica ink absorbent to ensure that it has preferable mobility by organic acid, it is ensured that print image
When, the silica ink absorbent on paper has more uniform characterization of adsorption so that the image effect that printing is obtained more is forced
Very.
Embodiment
To describe technology contents, the objects and the effects of the present invention in detail, it is explained below in conjunction with embodiment.
The design of most critical of the present invention is：Reaction before add surfactant can with steric effect during intensified response,
Control reaction rate.
A kind of production method of high-performance ink-jet paper silica ink absorbent, by SiO2Mass percent be 8-
15% water glass solution and surfactant mixing, obtains mixed liquor, the mixed liquor is cooled into 15-25 DEG C, Ran Houxiang
40-70 DEG C is warming up to after inorganic acid, generation gel are added in mixed liquor after cooling, slurry is obtained；Continue into the slurry
Inorganic acid is added, its pH value is adjusted to 3-5, then adds alkali, adjust its pH value to 7-10；PH value is heated up for 7-10 slurry
To 85-95 DEG C, inorganic acid is added after reaction 60-120min, the pH value of slurry is adjusted to 3-4, is then aged 30-60min, obtains
Reacted slurry；The reacted slurry is first washed, organic acid for adjusting pH value is then added to 2-4, obtains two
Silica ink absorbent.
Reaction principle：By water glass solution, first reaction generates gel in the basic conditions, and continuously adding acid makes gel in acid
Property under the conditions of structure more stablize, the pH value for then adjusting slurry arrives 7-10, and small gel particles dissolving grows up to big particle, formation
Three-dimensional net structure, then adds acid for adjusting pH value to 3-4, is aged certain time, adds organic acid after washing, you can obtain
The silica ink absorbent of good flowing properties.
It was found from foregoing description, the beneficial effects of the present invention are：Adding surfactant before reaction can be with intensified response
When steric effect, control reaction rate, the silica that specific surface area is big, pore volume big and pore-size distribution is concentrated can be obtained
Particle, to ensure during print image, the silica ink absorbent on paper has more uniform characterization of adsorption so that print
The image effect arrived is more life-like, and the present invention adjusts the pH value of silica ink absorbent to ensure that it has by organic acid
Preferable mobility.The species and amount of the surfactant added in the present invention can be selected as needed.
Further, solid sodium silicate and water are mixed, obtains the SiO2Content is 8-15% water glass solution, institute
Solid sodium silicate is stated to react and be prepared under the conditions of 1300-1400 DEG C after quartz sand and soda ash mixing.
Further, by the ring-shaped P P pipes with more than two pore structures the inorganic acid added to mixed liquor or
In slurry.
Seen from the above description, inorganic acid is added into mixed liquor or slurry by the ring-shaped P P pipes of hole structure,
Inorganic acid can be made quickly to be well mixed with mixed liquor or slurry, make the reaction rate in whole course of reaction more balanced,
To obtain the silica ink absorbent that particle diameter distribution is narrower, the position of pore structure and quantity can be configured as needed.
Further, the surfactant is containing C20~24Alkyl hydroxyethylcellulose family macromolecule surfactant,
At least one of 1,1- dihydro perfluoroalkyl glycidol ethers and 1,1- dihydro perfluoroalkyl p-methyl benzenesulfonic acid esters.
Seen from the above description, surfactant can be high score subclass surfactant or low molecule class
Surfactant, can select a kind of or selection is a variety of to be compounded to reach optimal steric effect as needed.
Further, the organic acid is at least one of oxalic acid, malic acid, citric acid and ascorbic acid.
Seen from the above description, organic acid can as needed select a kind of or select a variety of compounded.
Further, the alkali is at least one of aqueous solution or ammoniacal liquor of sodium hydroxide.
Seen from the above description, alkali can be one or more kinds of, and the concentration of alkali can be configured as needed.
Further, the electrical conductivity of slurry washing to drainage is less than 50 μ S/cm.
Further, defibrination, drying and crushing are carried out successively to the silica ink absorbent of acquisition, obtains silica suction
Black agent powder.
Seen from the above description, the silica ink absorbent of acquisition is carried out defibrination, drying and crushed to post-process, obtain two
Silica ink absorbent powder, is readily transported and preserves.
Further, dried silica ink absorbent is crushed by Counter-impact flow pulverizer.
Further, the particle diameter of the silica ink absorbent powder is 4-7 μm.
Embodiments of the invention one are：
A kind of production method of high-performance ink-jet paper silica ink absorbent, the absorption of obtained silica ink absorbent
Characteristic is uniform, and the display effect of print image can be made more life-like.
First, reaction prepares solid sodium silicate under the conditions of 1300-1400 DEG C after quartz sand and soda ash are mixed, then
Solid sodium silicate and water are mixed, the SiO is obtained2Content is 8-15% water glass solution.It is preferred that, selection modulus is
2.5-3.6 solid sodium silicate prepare water glass solution.After solid sodium silicate is mixed with water, dissolved in rotary spherical digester, then
0.5-1MPa, pressurize 1-3h, the pressurize 2h preferably under the conditions of 0.8MPa are forced into, obtained water glass solution is stored standby.
In 10m3Water glass solution and a certain amount of surfactant are added in the enamel reaction still of size, is mixed
Liquid.In the present embodiment, the surfactant is containing C20~24Alkyl hydroxyethylcellulose family macromolecule surfactant, 1,1-
At least one of dihydro perfluoroalkyl glycidol ether and 1,1- dihydro perfluoroalkyl p-methyl benzenesulfonic acid ester, it is of course also possible to
Using other suitable surfactants, this for being not limited to enumerate is several.Open refrigerator to cool to mixed liquor, be cooled to
15-25℃.Then added into reactor in inorganic acid, the present embodiment, inorganic acid is dilute sulfuric acid, dilute sulfuric acid passes through with two
More than the ring-shaped P P pipes of pore structure add, and control by electromagnetic flowmeter the flow of dilute sulfuric acid.When mixed liquor
When pH value is 10-11, gel is generated, 40-70 DEG C is then warming up at once, continuation is acidified with dilute sulfuric acid, until mixed liquor
PH value be 3-5 after add alkali adjust mixed liquor pH value value 7-10, the alkali for sodium hydroxide the aqueous solution or ammoniacal liquor in
It is at least one.Then 85-95 DEG C is warming up to be passed through steam in 7-10 mixed liquor to pH value, reacts 60-120min, reaction
After the completion of add dilute sulfuric acid regulation pH to 3-4, continue be aged 30-60min, obtain reacted slurry.Will be described reacted
Slurry is washed using sheet frame material feeding, then can be less than 50 μ S/ with the electrical conductivity of pure water to drainage again first with originally water washing
Cm, then adds organic acid for adjusting pH value to 2-4, obtains silica ink absorbent.In the present embodiment, the organic acid is grass
At least one of acid, malic acid, citric acid and ascorbic acid.
Defibrination, drying and crushing are carried out successively to the silica ink absorbent of acquisition, silica ink absorbent powder is obtained.
It is preferred that, the silica ink absorbent after defibrination is dried by way of atomization drying, then using collision type air-flow
Pulverizer is crushed, and obtains silica ink absorbent powder.In the present embodiment, the particle diameter of obtained SiO 2 powder is 4-
7 μm, the whiteness of obtained silica ink absorbent is more than 99%, Fe contents and is less than 45ppm, the mass percent of silica
More than 99%, specific surface area is more than 340m2/ g, pore volume is about 2mL/g, and pore size is in 21nm or so.
Embodiments of the invention two are：
A kind of production method of high-performance ink-jet paper silica ink absorbent, exists with the difference of above-described embodiment
In：
Use amount containing Fe to be less than 30ppm, modulus and prepare water glass solution for 3.25 solid sodium silicate, obtained waterglass
The mass percent of solution is 12%.
5m is added in a kettle.3The C of water glass solution and 5Kg20~24Live on alkyl hydroxyethylcellulose family macromolecule surface
Property agent, obtains mixed liquor.It is then turned on refrigerator and the temperature of mixed liquor is down to 20 DEG C, flow control when adding dilute sulfuric acid exists
2000L/h, generates gel when the pH value of mixed liquor is 11,60 DEG C is warming up to immediately, continuation is acidified to pH value with dilute sulfuric acid and is
3.5.Then sodium hydrate aqueous solution and 100Kg matter of the 50Kg mass percents for 30% are added into the reaction solution after acidifying
The ammoniacal liquor that percentage is 25% is measured, the pH value of the mixed liquor in reactor is controlled 9.5.Then steam is passed through into reactor
95 DEG C are warming up to, 2h is reacted, dilute sulfuric acid is then added and adjusts pH value to 3.5, continue to be aged 30min, obtain reacted slurry.
5Kg oxalic acid will be added after reacted slurry washing, regulation pH value to 3.0 obtains silica ink absorbent.Then by titanium dioxide
Silicon ink absorbent carries out defibrination, drying and crushing, finally gives silica ink absorbent powder.
In the present embodiment, the granular size of obtained silica ink absorbent powder is 6 μm, and whiteness is that 99, Fe contents are
35ppm, the mass percent of silica is 99.5%, and specific surface area is 385m2/ g, pore volume is 1.95mL/g, pore size
For 20.3nm.
Embodiments of the invention three are：
A kind of production method of high-performance ink-jet paper silica ink absorbent, exists with the difference of above-described embodiment
In：
Use amount containing Fe to be less than 25ppm, modulus and prepare water glass solution for 3.35 solid sodium silicate, obtained waterglass
The mass percent of solution is 10%.
6m is added in a kettle.3The C of water glass solution and 6Kg12~18Alkyl hydroxyethylcellulose class surfactant, is obtained
To mixed liquor.It is then turned on refrigerator and the temperature of mixed liquor is down to 15 DEG C, flow when adding dilute sulfuric acid is controlled in 2500L/
H, gel is generated when the pH value of mixed liquor is 10.5,65 DEG C is warming up to immediately, it is 3.5 that continuation, which is acidified to pH value with dilute sulfuric acid,.
Then sodium hydrate aqueous solution and 80Kg mass percentages that 45Kg mass percents are 30% are added into the reaction solution after acidifying
Than the ammoniacal liquor for 25%, the pH value of the mixed liquor in reactor is set to control 8.0.Then steam is passed through into reactor to be warming up to
90 DEG C, 2h is reacted, dilute sulfuric acid is then added and adjusts pH value to 3.5, continue to be aged 30min, obtain reacted slurry.Will reaction
3Kg oxalic acid is added after slurry washing afterwards, regulation pH value to 3.5 obtains silica ink absorbent.Then by silica blotting
Agent carries out defibrination, drying and crushing, finally gives silica ink absorbent powder.
In the present embodiment, the granular size of obtained silica ink absorbent powder is 5.5 μm, and whiteness is 98, Fe contents
For 30ppm, the mass percent of silica is 99.8%, and specific surface area is 360m2/ g, pore volume is 2.00mL/g, and aperture is big
Small is 22.2nm.
Embodiments of the invention four are：
A kind of production method of high-performance ink-jet paper silica ink absorbent, exists with the difference of above-described embodiment
In：
Use amount containing Fe to be less than 25ppm, modulus and prepare water glass solution for 3.20 solid sodium silicate, obtained waterglass
The mass percent of solution is 8%.
6m is added in a kettle.31, the 1- dihydro perfluoroalkyl glycidol ethers of water glass solution and 10Kg, are mixed
Close liquid.It is then turned on refrigerator and the temperature of mixed liquor is down to 25 DEG C, flow when adding dilute sulfuric acid is controlled in 2000L/h, when
The pH value of mixed liquor generates gel when being 10.0,55 DEG C is warming up to immediately, it is 4.0 that continuation, which is acidified to pH value with dilute sulfuric acid,.Then
Into the reaction solution after acidifying add 40Kg mass percents be 30% sodium hydrate aqueous solution and 60Kg mass percents be
25% ammoniacal liquor, makes the pH value of the mixed liquor in reactor control 7.5.Then steam is passed through into reactor and is warming up to 88
DEG C, 2h is reacted, dilute sulfuric acid is then added and adjusts pH value to 3.5, continue to be aged 30min, obtain reacted slurry.After reacting
Slurry washing after add 8Kg malic acid, regulation pH value obtains silica ink absorbent to 2.5.Then by silica blotting
Agent carries out defibrination, drying and crushing, finally gives silica ink absorbent powder.
In the present embodiment, the granular size of obtained silica ink absorbent powder is 5.0 μm, and whiteness is 99, Fe contents
For 38ppm, the mass percent of silica is 99.6%, and specific surface area is 380m2/ g, pore volume is 1.98mL/g, and aperture is big
Small is 20.8nm.
Embodiments of the invention five are：
A kind of production method of high-performance ink-jet paper silica ink absorbent, exists with the difference of above-described embodiment
In：
Use amount containing Fe to be less than 20ppm, modulus and prepare water glass solution for 3.00 solid sodium silicate, obtained waterglass
The mass percent of solution is 8%.
5m is added in a kettle.31, the 1- dihydro perfluoroalkyl p-methyl benzenesulfonic acid esters of water glass solution and 6Kg, are mixed
Close liquid.It is then turned on refrigerator and the temperature of mixed liquor is down to 15 DEG C, flow when adding dilute sulfuric acid is controlled in 2000L/h, when
The pH value of mixed liquor generates gel when being 10.5,50 DEG C is warming up to immediately, it is 3.5 that continuation, which is acidified to pH value with dilute sulfuric acid,.Then
Into the reaction solution after acidifying add 45Kg mass percents be 30% sodium hydrate aqueous solution and 80Kg mass percents be
25% ammoniacal liquor, makes the pH value of the mixed liquor in reactor control 8.2.Then steam is passed through into reactor and is warming up to 88
DEG C, 2h is reacted, dilute sulfuric acid is then added and adjusts pH value to 3.0, continue to be aged 30min, obtain reacted slurry.After reacting
Slurry washing after add 3Kg oxalic acid, regulation pH value obtains silica ink absorbent to 3.5.Then by silica ink absorbent
Defibrination, drying and crushing are carried out, silica ink absorbent powder is finally given.
In the present embodiment, the granular size of obtained silica ink absorbent powder is 5.5 μm, and whiteness is 99, Fe contents
For 40ppm, the mass percent of silica is 99.3%, and specific surface area is 350m2/ g, pore volume is 1.95mL/g, and aperture is big
Small is 22.3nm.
Embodiments of the invention six are：
A kind of production method of high-performance ink-jet paper silica ink absorbent, exists with the difference of above-described embodiment
In：
Use amount containing Fe to be less than 25ppm, modulus and prepare water glass solution for 2.82 solid sodium silicate, obtained waterglass
The mass percent of solution is 15%.
6m is added in a kettle.3The C of water glass solution and 6Kg20~24Alkyl hydroxyethylcellulose class surfactant, is obtained
To mixed liquor.It is then turned on refrigerator and the temperature of mixed liquor is down to 20 DEG C, flow when adding dilute sulfuric acid is controlled in 2500L/
H, gel is generated when the pH value of mixed liquor is 10.2,40 DEG C is warming up to immediately, it is 3.0 that continuation, which is acidified to pH value with dilute sulfuric acid,.
Then sodium hydrate aqueous solution and 70Kg mass percentages that 45Kg mass percents are 30% are added into the reaction solution after acidifying
Than the ammoniacal liquor for 25%, the pH value of the mixed liquor in reactor is set to control 7.0.Then steam is passed through into reactor to be warming up to
85 DEG C, 1h is reacted, dilute sulfuric acid is then added and adjusts pH value to 4.0, continue to be aged 60min, obtain reacted slurry.Will reaction
3Kg citric acids are added after slurry washing afterwards, regulation pH value to 2 obtains silica ink absorbent.Then by silica blotting
Agent carries out defibrination, drying and crushing, finally gives silica ink absorbent powder.
In the present embodiment, the granular size of obtained silica ink absorbent powder is 4.0 μm, and whiteness is 99, Fe contents
For 30ppm, the mass percent of silica is 99.5%, and specific surface area is 340m2/ g, pore volume is 1.99mL/g, and aperture is big
Small is 21.5nm.
Embodiments of the invention seven are：
A kind of production method of high-performance ink-jet paper silica ink absorbent, exists with the difference of above-described embodiment
In：
Use amount containing Fe to be less than 30ppm, modulus and prepare water glass solution for 3.5 solid sodium silicate, obtained waterglass
The mass percent of solution is 10%.
6m is added in a kettle.3The C of water glass solution and 6Kg20~24Alkyl hydroxyethylcellulose class surfactant, is obtained
To mixed liquor.It is then turned on refrigerator and the temperature of mixed liquor is down to 20 DEG C, flow when adding dilute sulfuric acid is controlled in 2000L/
H, gel is generated when the pH value of mixed liquor is 10.6,70 DEG C is warming up to immediately, it is 5.0 that continuation, which is acidified to pH value with dilute sulfuric acid,.
Then sodium hydrate aqueous solution and 80Kg mass percentages that 45Kg mass percents are 30% are added into the reaction solution after acidifying
Than the ammoniacal liquor for 25%, the pH value of the mixed liquor in reactor is set to control 10.0.Then steam heating is passed through into reactor
To 90 DEG C, 2h is reacted, dilute sulfuric acid is then added and adjusts pH value to 3.5, continue to be aged 30min, obtain reacted slurry.Will be anti-
3Kg ascorbic acid is added after slurry washing after answering, regulation pH value to 4 obtains silica ink absorbent.Then by silica
Ink absorbent carries out defibrination, drying and crushing, finally gives silica ink absorbent powder.
In the present embodiment, the granular size of obtained silica ink absorbent powder is 7.0 μm, and whiteness is 98, Fe contents
For 35ppm, the mass percent of silica is 99.4%, and specific surface area is 350m2/ g, pore volume is 1.98mL/g, and aperture is big
Small is 21.9nm.
In summary, the production method for a kind of high-performance ink-jet paper silica ink absorbent that the present invention is provided, is made
Silica ink absorbent specific surface area is big, pore volume big and pore-size distribution is concentrated, it is ensured that during print image, on paper
Silica ink absorbent there is more uniform characterization of adsorption so that the obtained image effect of printing is more life-like.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalents that bright description is made, or the technical field of correlation is directly or indirectly used in, similarly it is included in this hair
In bright scope of patent protection.
Claims (10)
1. a kind of production method of high-performance ink-jet paper silica ink absorbent, it is characterised in that by SiO2Mass percent
Water glass solution and surfactant mixing for 8-15%, obtain mixed liquor, the mixed liquor are cooled into 15-25 DEG C, so
40-70 DEG C is warming up to after inorganic acid, generation gel are added in mixed liquor after backward cooling, slurry is obtained；Into the slurry
Inorganic acid is continuously added, its pH value is adjusted to 3-5, then adds alkali, its pH value is adjusted to 7-10；By the slurry that pH value is 7-10
Inorganic acid is added after being warming up to 85-95 DEG C, reaction 60-120min, the pH value of slurry is adjusted to 3-4, is then aged 30-60min,
Obtain reacted slurry；The reacted slurry is first washed, organic acid for adjusting pH value is then added to 2-4, obtains
Obtain silica ink absorbent.
2. the production method of high-performance ink-jet paper silica ink absorbent according to claim 1, it is characterised in that will
Solid sodium silicate and water mixing, obtain the SiO2Content is 8-15% water glass solution, and the solid sodium silicate is by quartz
React and be prepared under the conditions of 1300-1400 DEG C after sand and soda ash mixing.
3. the production method of high-performance ink-jet paper silica ink absorbent according to claim 1, it is characterised in that logical
The ring-shaped P P pipes with more than two pore structures are crossed to add the inorganic acid into mixed liquor or slurry.
4. the production method of high-performance ink-jet paper silica ink absorbent according to claim 1, it is characterised in that institute
It is containing C to state surfactant20~24Alkyl hydroxyethylcellulose family macromolecule surfactant, 1,1- dihydros perfluoroalkyl shrink
At least one of glycerin ether and 1,1- dihydro perfluoroalkyl p-methyl benzenesulfonic acid esters.
5. the production method of high-performance ink-jet paper silica ink absorbent according to claim 1, it is characterised in that institute
It is at least one of oxalic acid, malic acid, citric acid and ascorbic acid to state organic acid.
6. the production method of high-performance ink-jet paper silica ink absorbent according to claim 1, it is characterised in that institute
It is at least one of aqueous solution or ammoniacal liquor of sodium hydroxide to state alkali.
7. the production method of high-performance ink-jet paper silica ink absorbent according to claim 1, it is characterised in that will
The electrical conductivity of slurry washing to drainage is less than 50 μ S/cm.
8. the production method of high-performance ink-jet paper silica ink absorbent according to claim 1, it is characterised in that right
The silica ink absorbent of acquisition carries out defibrination, drying and crushing successively, obtains silica ink absorbent powder.
9. the production method of high-performance ink-jet paper silica ink absorbent according to claim 8, it is characterised in that logical
Counter-impact flow pulverizer is crossed to crush dried silica ink absorbent.
10. the production method of high-performance ink-jet paper silica ink absorbent according to claim 8, it is characterised in that
The particle diameter of the silica ink absorbent powder is 4-7 μm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710418640.8A CN107245904B (en) | 2017-06-06 | 2017-06-06 | A kind of production method of high-performance ink-jet paper silica ink absorbent |
| CN201811466292.2A CN109403138B (en) | 2017-06-06 | 2017-06-06 | Production method of high-dispersion silicon dioxide ink absorber for color spray paper |
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| CN201710418640.8A CN107245904B (en) | 2017-06-06 | 2017-06-06 | A kind of production method of high-performance ink-jet paper silica ink absorbent |
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| CN201811466292.2A Division CN109403138B (en) | 2017-06-06 | 2017-06-06 | Production method of high-dispersion silicon dioxide ink absorber for color spray paper |
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| CN107245904A true CN107245904A (en) | 2017-10-13 |
| CN107245904B CN107245904B (en) | 2019-01-15 |
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| CN201811466292.2A Active CN109403138B (en) | 2017-06-06 | 2017-06-06 | Production method of high-dispersion silicon dioxide ink absorber for color spray paper |
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| CN110126409A (en) * | 2019-05-10 | 2019-08-16 | 保定乐凯新材料股份有限公司 | Multilayer film with metal wire-drawing effect layer |
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| CN115772824A (en) * | 2021-09-06 | 2023-03-10 | 安徽宏寰新材料科技有限公司 | Leather release paper coating, manufacturing method thereof and leather release paper |
| CN115974090B (en) * | 2023-03-17 | 2023-06-13 | 广州凌玮科技股份有限公司 | Preparation method of silicon dioxide for weak solvent ink-jet printing coating |
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| CN110126409A (en) * | 2019-05-10 | 2019-08-16 | 保定乐凯新材料股份有限公司 | Multilayer film with metal wire-drawing effect layer |
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| CN109403138A (en) | 2019-03-01 |
| CN109403138B (en) | 2021-02-02 |
| CN107245904B (en) | 2019-01-15 |
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