CN108385441A - A kind of paper cation nanometer mill base and its preparation method and application - Google Patents
A kind of paper cation nanometer mill base and its preparation method and application Download PDFInfo
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- CN108385441A CN108385441A CN201810143986.6A CN201810143986A CN108385441A CN 108385441 A CN108385441 A CN 108385441A CN 201810143986 A CN201810143986 A CN 201810143986A CN 108385441 A CN108385441 A CN 108385441A
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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
- D21H21/28—Colorants ; Pigments or opacifying agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/56—Acrylamide; Methacrylamide
-
- 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
- D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
- D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
-
- 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
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
- D21H17/57—Polyureas; Polyurethanes
-
- 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
- D21H21/06—Paper forming aids
Abstract
The invention belongs to fine chemicals field of new materials, and in particular to a kind of paper cation nanometer mill base and its preparation method and application.The paper is formulated with cation nanometer mill base by 200 mass parts water, 8~12 mass parts cation dispersing agents, 60~70 mass parts toners, 100 mass parts resinas and 10 mass parts wetting agents；It includes following components that the wherein described cation dispersing agent, which prepares raw material,：1~10 mass parts of hydrophobic monomer, 5~30 mass parts of hydrophilic monomer, 1~3 mass parts of cationic functional monomer, 50~150 mass parts of 10~25 mass parts of stabilizer, 1~5 mass parts of initiator and water.Paper provided by the invention is suitble to starch interior copy paper addition aqueous color paste with cation nanometer mill base, increases the strong adsorption electrically realized with fiber, strong with the affinity and binding force of fiber, can resist manufacture paper with pulp water body flushing and mechanical force interference.
Description
Technical field
The invention belongs to fine chemicals field of new materials, and in particular to a kind of paper cation nanometer mill base and its preparation
Methods and applications.
Background technology
Coloured paper is coloured paper product, and dyestuff can be dissolved in water, has natural affinity with fiber, can be adsorbed on fiber surface
And it is internal, coloring is easy, coloring is apparent, thus is widely used in paper-making process, but dyeing paper product color fastness
Low, fugitive color is not durable, and coloured paper class is relatively low.Organic pigment is to have extremely strong Sun-proof fastness, color than the superior place of dyestuff
It is color bright-coloured lasting, it is the kind of high-grade coloured paper favor.But organic pigment is not soluble in water, cannot be bound directly with fiber, and coloring is tired
It is difficult.The excellent colour vividness and durability of aqueous color paste obtain more and more applications, but ink color in ink and coating
Dispersant cannot meet paper mill base performance used in slurry or coating mill base, it is necessary to strengthen the affinity and binding force with fiber,
Resistance manufacture paper with pulp water body rinse and mechanical force interference.
Invention content
To solve the disadvantage that the prior art and shortcoming, the primary purpose of the present invention is that providing a kind of paper cation
Nano color paste.Cationic papermaking chemical product is prepared by the copolymerization mode of cationic etherificate mode or cationic monomer,
To obtain cationic charge, increase the binding force between fiber.Such as cationic starch, cationic polyacrylamide, cation-modified
AKD sizing agents, cationic wet strength agent etc., not only improve the retention of chemicals itself, moreover it is possible to improve paper product quality.It is used in paper
Nano color paste preparation process uses cationic dispersing agent, improves its binding force with fiber, is the innovative point of this technology.
Another object of the present invention is to provide a kind of above-mentioned preparation methods of paper cation nanometer mill base.
It is still another object of the present invention to provide a kind of above-mentioned paper cation nanometer mill base answering in papermaking coloring field
With.
The object of the invention is achieved through the following technical solutions：
A kind of paper cation nanometer mill base, by 200 mass parts water, 8~12 mass parts cation dispersing agents, 60~70 matter
Amount part toner, 100 mass parts resinas and 10 mass parts wetting agents are formulated；The wherein described cation dispersing agent prepares raw material
Including following components：1~10 mass parts of hydrophobic monomer, 5~30 mass parts of hydrophilic monomer, 1~3 mass of cationic functional monomer
Part, 50~150 mass parts of 10~25 mass parts of stabilizer, 1~5 mass parts of initiator and water.
The resina is preferably TakeLac WS-6021.Takelac WS6021 refer to the life of Mitsui chemical company
A kind of aqueous polyurethane dispersion resin of production.
The wetting agent is preferably glycerine.
The hydrophobic monomer is at least one of styrene, acrylate, methacrylate etc..
The hydrophilic monomer is acrylic acid, methacrylic acid, methylene-succinic acid, hydroxy-ethyl acrylate, acrylic acid hydroxypropyl
At least one of ester, acrylamide, Methacrylamide, maleic anhydride etc..
The cationic monomer is MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride (DMC), methacrylic acid N, N- diformazan
Base amino ethyl ester (DM), acrylyl oxy-ethyl-trimethyl salmiac (DAC), acrylic acid N, N- dimethylamino ethyl ester (DA), two
At least one of methyl diallyl ammonium chloride (DMDAAC) etc..
The stabilizer is aqueous solvent polyhydroxy, polyamines base or more carboxyl polymer, such as modified starch, polyvinyl alcohol, shell
At least one of glycan, sodium carboxymethylcellulose, polyacrylamide etc., preferred cationic starch.
The initiator is radical initiator, such as ammonium persulfate, potassium peroxydisulfate, hydrogen peroxide, ammonium persulfate/sulfurous acid
Hydrogen sodium, ammonium persulfate/ferrous sulfate, hydrogen peroxide/sulfuric acid ferrous iron, potassium peroxydisulfate/silver nitrate, potassium peroxydisulfate/frerrous chloride, mistake
At least one of hydrogen oxide/frerrous chloride etc.." ammonium persulfate/sodium hydrogensulfite " indicates ammonium persulfate and sodium hydrogensulfite
It is applied in combination, the expressions such as remaining " ammonium persulfate/ferrous sulfate " similarly look like.
The preferred distilled water of the water.
The above-mentioned paper preparation method of cation nanometer mill base, includes the following steps：
(1) cation dispersing agent is prepared：By a certain amount of hydrophobic monomer, hydrophilic monomer and cationic functional monomer in initiator
Effect is lower to realize emulsifier-free emulsion polymerization, forms the cation dispersing agent of the hydrophilic radicals such as hydroxyl, carboxyl, amide groups, wherein
When polymerization, stabilizer is added；
(2) toner disperses：By 200 mass parts of water, 8~12 mass parts of cation dispersing agent, 60~70 mass parts of toner, grind
Mill is dispersed to 1000 nanometers of mill base granularity D50 ranges, obtains dispersion toner；
(2) mill base is prepared：100 mass parts resinas and 10 mass parts wetting agents will be added in dispersion toner in (2), continues
Ground and mixed 1~2 hour or more, obtains paper cation nanometer mill base.It is dense to adjust above-mentioned paper cation nanometer mill base quality
Degree is 30~40%, and cationic degree is 5~20mV.
The step (1) is as follows：50~150 mass parts water and 10~25 mass parts stabilizers are mixed molten
After solution (such as stabilizer is that cationic starch also needs to be gelatinized at 90 DEG C), temperature is adjusted to 70~85 DEG C；Then hydrophobic list is added
1~10 mass parts of body, 5~30 mass parts of hydrophilic monomer；1~3 mass parts of cationic functional monomer are added, it is molten that initiator is added dropwise
Liquid reacts 2~3 hours, obtains cation dispersing agent；It is 40% with water adjustment cation dispersing agent mass concentration.
The cationic functional monomer accounts for the 10% of total monomer quality, and initiator quality is total monomer matter in initiator solution
The 10% of amount.
Above-mentioned paper cation nanometer mill base can be used for papermaking coloring field.Steps are as follows for concrete application：Add in paper pulp
Add the paper cation nanometer mill base of pulp quality 1%, mix 5 minutes or more, then a small amount of color fixing agent is added, copy paper molding.
Above-mentioned cation dispersing agent and paper are with the additive amount of cation nanometer mill base based on its solid content.
The color fixing agent is preferably alum, polyamideepichlorohydrin (PAE), cationic polyacrylamide (CPAM), gathers
At least one of dimethyl diallyl ammonium chloride (PDADMAC) and chitosan.
Color fixing agent addition is the 1% of pulp quality.
Compared with prior art, the present invention has the following advantages and beneficial effects：
Paper provided by the invention is suitble to starch interior copy paper addition aqueous color paste with cation nanometer mill base, is increased and is electrically realized
It is strong with the affinity and binding force of fiber with the strong adsorption of fiber, water body of manufacturing paper with pulp can be resisted and rinsed and mechanical force interference.
Specific implementation mode
With reference to embodiment, the present invention is described in further detail, and embodiments of the present invention are not limited thereto.
Unless otherwise instructed, the percentage described in embodiment is mass percent.The resina that embodiment uses is Takelac
WS6021 is a kind of aqueous polyurethane dispersion resin of Mitsui chemical company production.
Paper pulp described in embodiment uses commercially available bleaching pulpboard, and by 100 grams of quantitative copy paper pieces, slurry is discongested 1 minute before copying, and is added
1% (to pulp quality) mill base and 1% (to pulp quality) color fixing agent detect paper coloration.
Embodiment 1
(1) prepared by cation dispersing agent：100 mass parts of water and 20 mass parts of cationic starch are mixed, after 90 DEG C of gelatinizations,
Cool to 75 DEG C；Then 3 mass parts of styrene monomer, 1 mass parts of butyl acrylate, 10 mass parts of methacrylic acid, third is added
20 matter of ammonium persulfate solution is added dropwise in 10 mass parts of acrylamide, 2 mass parts of MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride (DMC)
Part (2 mass parts ammonium persulfates are made into 10% aqueous solution, i.e. 20 mass parts) is measured, reacts 3 hours, obtains cation dispersing agent.With
Water adjusts cation dispersion agent concentration 40%.
(2) toner disperses：First by 200 mass parts of water, 8 mass parts of cation dispersing agent, toner (Clariant blue toner,
C.I.15：3 is blue) 60 mass parts, within grinding distribution to 1000 nanometers of mill base granularity D50 ranges (it is measured by laser particle analyzer,
Maximum particle size is no more than 2000nm).
(3) mill base is prepared：100 mass parts resina (TakeLac WS- are added in toner after step (2) is disperseed
6021) and 10 mass parts wetting agents (glycerine), mixing 10min obtain aqueous color paste.A concentration of the 30% of aqueous color paste is adjusted,
Cationic degree is positive value.
(4) copy paper fixation：Step (3) is added before coloured paper molding and prepares obtained aqueous color paste, the dosage of aqueous color paste is
Pulp content 10kg aqueous color paste meters per ton；Color fixing agent alum is added, the dosage of color fixing agent is pulp content 10kg per ton solid
Toner meter；Mix 5min, copy paper.
After copy paper, coloured paper color, blue color density 1.2 are measured using 508 model of Ai Seli color densitometers.By being divided light
Degree meter (detection optical wavelength 600nm) detection, waste water absorbance 0.086.
It is (as follows using the process of FBL blue dyes using the dyeing of conventional FBL blue dyes：Before coloured paper molding in the slurry
FBL blue dyes is added, then color fixing agent (alum) is added by 1 ton of pulp content 10kg paper color fixing agent, mixes 5min, is copied
Paper), under identical dye dosage, coloured paper blue density 0.9, waste water absorbance 0.121.
Embodiment 2
(1) prepared by cation dispersing agent：100 mass parts of water and 15 mass parts of cationic starch are mixed, after 90 DEG C of gelatinizations,
Cool to 75 DEG C；3 mass parts of styrene monomer, 1 mass parts of butyl acrylate, 5 mass parts of methacrylic acid, acrylamide is added
Ammonium persulfate solution 20 mass parts (2 mass are added dropwise in 5 mass parts, 1 mass parts of first dimethyl diallyl ammonium chloride (DMDAAC)
Part ammonium persulfate is made into 10% aqueous solution, i.e. 20 mass parts), it reacts 3 hours, cation dispersing agent is made.With water adjustment sun from
Sub- dispersant concentration 40%.
(2) toner disperses：First by 200 mass parts of water, 12 mass parts of cation dispersing agent, toner (BASF blue toners
(C.I.60 blue)) 70 mass parts, within grinding distribution to 1000 nanometers of mill base granularity D50 ranges (it is measured by laser particle analyzer,
Maximum particle size is no more than 2000nm).
(3) mill base is prepared：100 mass parts resina (TakeLac WS- are added in toner after step (2) is disperseed
6021) and 10 mass parts wetting agents (glycerine), mixing 10min obtain aqueous color paste.A concentration of the 40% of aqueous color paste is adjusted,
Cationic degree 6mV.
(4) copy paper fixation：Step (3) is added before coloured paper molding and prepares obtained aqueous color paste, the dosage of aqueous color paste is
Pulp content 10kg aqueous color paste meters per ton；Color fixing agent alum is added, the dosage of color fixing agent is pulp content 10kg per ton solid
Toner meter；Mix 5min, copy paper.
After copy paper, coloured paper color, blue color density 1.2 are measured using 508 model of Ai Seli color densitometers.Waste water absorbance
0.086 (measuring wavelength 600nm).
It is (as follows using the process of FBL blue dyes using the dyeing of conventional FBL blue dyes：Before coloured paper molding in the slurry
FBL blue dyes is added, then color fixing agent (alum) is added by 1 ton of pulp content 10kg paper color fixing agent, mixes 5min, is copied
Paper), under identical dye dosage, coloured paper blue density 0.9, waste water absorbance 0.121.
Embodiment 3
(1) prepared by cation dispersing agent：100 mass parts of water and 10 mass parts of polyvinyl alcohol are mixed, after 90 DEG C of dissolvings, drop
Temperature is to 70 DEG C.3 mass parts of styrene monomer, 1 mass parts of butyl acrylate, 10 mass parts of methacrylic acid, acrylamide is added
Ammonium persulfate solution 20 mass parts (2 mass are added dropwise in 10 mass parts, 3 mass parts of acrylyl oxy-ethyl-trimethyl salmiac (DAC)
Part ammonium persulfate is made into 10% aqueous solution, i.e. 20 mass parts), it reacts 3 hours, cation dispersing agent is made.With water adjustment sun from
Sub- dispersant concentration 40%.
(2) toner disperses：First by 200 mass parts of water, 10 mass parts of cation dispersing agent, toner (BASF blue toners
(C.I.60 blue)) 63 mass parts, within grinding distribution to 1000 nanometers of mill base granularity D50 ranges (it is measured by laser particle analyzer,
Maximum particle size is no more than 2000nm).
(3) mill base is prepared：100 mass parts resina (TakeLac WS- are added in toner after step (2) is disperseed
6021) and 10 mass parts wetting agents (glycerine), mixing 10min obtain aqueous color paste.A concentration of the 35% of aqueous color paste is adjusted,
Cationic degree 5mV.
(4) copy paper fixation：Step (3) is added before coloured paper molding and prepares obtained aqueous color paste, the dosage of aqueous color paste is
Pulp content 10kg aqueous color paste meters per ton；Color fixing agent alum is added, the dosage of color fixing agent is pulp content 10kg per ton solid
Toner meter；Mix 5min, copy paper.
After copy paper, coloured paper color, blue color density 1.12 are measured using 508 model of Ai Seli color densitometers.Waste water extinction
Degree 0.0959 (measures wavelength 600nM).
It is (as follows using the process of FBL blue dyes using the dyeing of conventional FBL blue dyes：Before coloured paper molding in the slurry
FBL blue dyes is added, then color fixing agent alum is added by 1 ton of pulp content 10kg color fixing agent, mixes 5min, carries out copy paper), phase
With under dye dosage, coloured paper blue density 0.9, waste water absorbance 0.121.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications,
Equivalent substitute mode is should be, is included within the scope of the present invention.
Claims (10)
1. a kind of paper cation nanometer mill base, which is characterized in that the paper is with cation nanometer mill base by 200 mass parts water, 8
~12 mass parts cation dispersing agents, 60~70 mass parts toners, 100 mass parts resinas and 10 mass parts wetting agents prepare and
At；It includes following components that the wherein described cation dispersing agent, which prepares raw material,：1~10 mass parts of hydrophobic monomer, hydrophilic monomer 5~30
Mass parts, 1~3 mass parts of cationic functional monomer, 10~25 mass parts of stabilizer, 1~5 mass parts of initiator and water 50~
150 mass parts.
2. paper according to claim 1 cation nanometer mill base, which is characterized in that the hydrophobic monomer is benzene second
At least one of alkene, acrylate, methacrylate.
3. paper according to claim 1 cation nanometer mill base, which is characterized in that the hydrophilic monomer be acrylic acid,
Methacrylic acid, methylene-succinic acid, hydroxy-ethyl acrylate, hydroxypropyl acrylate, acrylamide, Methacrylamide, Malaysia
At least one of acid anhydrides.
4. paper according to claim 1 cation nanometer mill base, which is characterized in that the cationic monomer is methyl-prop
Alkene acyloxyethyl trimethyl ammonium chloride, methacrylic N, N-dimethylamino ethyl ester, acrylyl oxy-ethyl-trimethyl salmiac,
At least one of acrylic acid N, N- dimethylamino ethyl ester, dimethyl diallyl ammonium chloride.
5. paper according to claim 1 cation nanometer mill base, which is characterized in that the stabilizer be modified starch,
At least one of polyvinyl alcohol, chitosan, sodium carboxymethylcellulose, polyacrylamide.
6. paper according to claim 1 cation nanometer mill base, which is characterized in that the initiator be ammonium persulfate,
Potassium peroxydisulfate, hydrogen peroxide, ammonium persulfate/sodium hydrogensulfite, ammonium persulfate/ferrous sulfate, hydrogen peroxide/sulfuric acid ferrous iron, mistake
At least one of potassium sulfate/silver nitrate, potassium peroxydisulfate/frerrous chloride, hydrogen peroxide/frerrous chloride.
7. paper according to claim 1 cation nanometer mill base, which is characterized in that the wetting agent is glycerine.
8. claim 1 to 7 any one of them paper preparation method of cation nanometer mill base, which is characterized in that including with
Lower step：
(1) a certain amount of hydrophobic monomer, hydrophilic monomer and cationic functional monomer are realized that soap-free emulsion gathers under initiator effect
It closes, cation dispersing agent is made；
(2) by 200 mass parts of water, 8~12 mass parts of cation dispersing agent, 60~70 mass parts of toner, grinding distribution to mill base
1000 nanometers of granularity D50 ranges obtain dispersion toner；
(2) 100 mass parts resinas and 10 mass parts wetting agents will be added in dispersion toner in (2), continues ground and mixed 1~2
Hour or more, obtain paper cation nanometer mill base.
9. the paper according to claim 8 preparation method of cation nanometer mill base, which is characterized in that the step (1)
It is as follows：After 50~150 mass parts water and 10~25 mass parts stabilizer mixed dissolutions, adjusting temperature to 70~
85℃；Then 1~10 mass parts of hydrophobic monomer, 5~30 mass parts of hydrophilic monomer are added；1~3 matter of cationic functional monomer is added
Part is measured, initiator solution is added dropwise, reacts 2~3 hours, obtains cation dispersing agent.
10. application of any one of claim 1 to 7 paper with cation nanometer mill base in papermaking coloring field.
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| CN201810143986.6A CN108385441A (en) | 2018-02-12 | 2018-02-12 | A kind of paper cation nanometer mill base and its preparation method and application |
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| CN109749522A (en) * | 2018-12-16 | 2019-05-14 | 江苏丽王科技股份有限公司 | A kind of cation mill base and preparation method thereof |
| CN110241650A (en) * | 2019-06-13 | 2019-09-17 | 广东优彩新材料技术研究有限公司 | A kind of paper product copy paper coloring mill base and its preparation method and application |
| CN110924224A (en) * | 2019-11-27 | 2020-03-27 | 广东轻工职业技术学院 | Color paste fixing agent for paper and preparation method and application thereof |
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