CN110241650A - A kind of paper product copy paper coloring mill base and its preparation method and application - Google Patents
A kind of paper product copy paper coloring mill base and its preparation method and application Download PDFInfo
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- CN110241650A CN110241650A CN201910508619.6A CN201910508619A CN110241650A CN 110241650 A CN110241650 A CN 110241650A CN 201910508619 A CN201910508619 A CN 201910508619A CN 110241650 A CN110241650 A CN 110241650A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
- C08G12/12—Ureas; Thioureas
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C08G12/30—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with substituted triazines
- C08G12/32—Melamines
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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
-
- 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
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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
- D21H17/33—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
- D21H17/41—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
- D21H17/45—Nitrogen-containing groups
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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
- D21H17/33—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
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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
- D21H17/33—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
- D21H17/55—Polyamides; Polyaminoamides; Polyester-amides
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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
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
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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
- D21H21/22—Agents rendering paper porous, absorbent or bulky
- D21H21/24—Surfactants
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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
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Abstract
The invention discloses a kind of paper product copy paper coloring mill bases and its preparation method and application.(1) 5~30 mass parts toners, 1~5 mass parts stabilizer, 1~5 mass parts wetting agent and 50-100 mass parts water are ground uniformly, obtains toner dispersion liquid；(2) 2.5~30 mass parts prepolymers are added into toner dispersion liquid and are uniformly mixed, adjusts pH to 1~5, condensation reaction 2~5 hours, obtains cladding toner mixed liquor；(3) cladding toner mixed liquor is warming up to 50~80 DEG C, 1~5 mass parts cation modifier is added, it is added dropwise to the mixed liquor being made of 5~30 mass parts hydrophilic monomers and initiator, it drips off within 1 hour, the reaction was continued 1~2 hour, it is cooled to room temperature, pH is adjusted to 8~9, obtain paper product copy paper coloring mill base.The affinity and binding force of mill base and fiber obtained are strong, can resist the interference for water body flushing and mechanical force of manufacturing paper with pulp.
Description
Technical field
The invention belongs to fine chemicals field of new materials, and in particular to a kind of paper product copy paper coloring mill base and its preparation side
Method and application.
Background technique
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, dyeing effect is obvious, 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 lower.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 bind directly with fiber, using by
To obstruction.
The surface charge of fiber in water is in negativity, and strong with the binding force of cationic superfine pigment, fastness is good, dye level
It is good with vividness, pigment can be not only saved, is reduced environmental pollution, product specification is improved, copy paper application provides possibility.But it closes
It is seldom in the data of this respect.Pigment itself is non-polar colorant, cation dispersing agent cladding is carried out to pigment, in fabric
Coloring has research to report, and discovery partial size is smaller, and pigment diffusivity is stronger, and negatively charged fiber surface is easier to be logical in water
Cross electrostatic attraction adsorption pigment.But regrettably: amount of pigment is greater than 2.5%, the dry of product dyed thereby, fastness to wet rubbing and soaps
(colour fading and staining) fastness is very low, and as amount of pigment improves, crock fastness is lower, illustrates that cation dispersing agent is not tight
It is close to be corresponsively coated on pigment particles (Zhou Haiyin, Xu Mei, Fang Kuanjun, the application of the cationic superfine pigment of cotton fabric dip dyeing
Performance, printing and dyeing, 2009,35 (2): 1-4).Papermaking manufactures paper with pulp process using a large amount of aqueous mediums, and transmits by multiple power, can be with
Speculate, this cation dispersing agent will more be not suitable for copy paper system to organic pigment cladding fastness.
Summary of the invention
To solve the shortcomings and deficiencies of the prior art, the primary purpose of the present invention is that providing a kind of paper product copy paper
The preparation method of color mill base.The method is to be coated on toner particle surface with amino resin prepolymer to which mill base be made.
Another object of the present invention is to provide a kind of paper product copy papers made from the above method to colour mill base.
A further object of the present invention is to provide a kind of application of the above-mentioned paper product copy paper coloring mill base in field of papermaking.
The object of the invention is achieved through the following technical solutions:
A kind of preparation method of paper product copy paper coloring mill base, comprising the following steps:
(1) by 5~30 mass parts toners, 1~5 mass parts stabilizer, 1~5 mass parts wetting agent and 50~100 mass parts
Water grinding uniformly, obtains toner dispersion liquid；
(2) 2.5~30 mass parts amino resin prepolymers are added into toner dispersion liquid and are uniformly mixed, adjust pH to 1
~5, condensation reaction 2~5 hours, obtain cladding toner mixed liquor；
(3) cladding toner mixed liquor is warming up to 50~80 DEG C, 1~5 mass parts cation modifier is added, be added dropwise to by
The mixed liquor of hydrophilic monomer and initiator composition, drips off, the reaction was continued 1~2 hour, is cooled to room temperature, and pH is adjusted to 8 for 1 hour
~9, obtain paper product copy paper coloring mill base；
Wherein 5~30 mass parts of hydrophilic monomer, initiator amount account for amino resins performed polymer and hydrophilic monomer gross mass
0.1~1%.
Step (1) described toner is preferably phthalocyanine blue pigment；More preferably phthalocyanine blue b.
Step (1) described stabilizer is preferably macromolecular hydroaropic substance；More preferably polyvinyl alcohol (PVA), carboxymethyl
The one or more of cellulose, sodium carboxymethylcellulose (CMC), chitosan and converted starch.
The converted starch is preferably one or more of oxidized starch, esterification starch and etherification starch.
Step (1) wetting agent is preferably while having the surfactant of hydrophilic radical and hydrophobic grouping；More preferably
For w/o type nonionic surfactant；Most preferably alkyl phenol polyoxyethylene ether (OP-10).
Step (1) grinding preferably carries out in porcelain grinding alms bowl, is ground to obtain uniform toner dispersion liquid.
Step (2) described amino resin prepolymer refer to amino-contained melamine or urea under alkaline condition with formaldehyde
Amido methylolation on melamine or urea molecule is formed the unstable intermediate production containing multiple methylols by reaction, formaldehyde
Object, as amino resin prepolymer.The amino resin prepolymer is easy line style crosslinking or figure crosslinking, and it is poly- to form thermosetting property height
Object.
The amino resin prepolymer is more preferably prepared by following methods: by melamine and formaldehyde in molar ratio 1:
2~1:6 proportion is uniformly mixed, and adjusts pH to 8~9, is reacted 30 minutes at 60~80 DEG C, is obtained transparent colourless solution A；By urea
1:1.3~1:2 proportion is uniformly mixed in molar ratio with formaldehyde, is adjusted pH to 8~9, is reacted 30 minutes, obtain at 60~80 DEG C
Bright colourless solution B；The amino resin prepolymer is the arbitrary proportion mixture of transparent colourless solution A and B, or is transparent nothing
Color solution A, or be transparent colourless solution B.
PH adjusting agent used in step (2) the adjusting pH be preferably one of hydrochloric acid, acetic acid, formic acid and ammonium chloride or
It is two or more.
The temperature of step (2) described condensation reaction is preferably room temperature.
Step (3) described cation modifier is preferably poly- Hydroxypropyldimonium Chloride, by dimethylamine and epoxy chlorine
Propane polymerize to obtain.
Step (3) described hydrophilic monomer is preferably acrylic acid, methacrylic acid, methylene-succinic acid, acrylic acid hydroxyl second
One or more of ester, hydroxypropyl acrylate, acrylamide, Methacrylamide and maleic anhydride；More preferably third
Acrylamide and/or acrylic acid.
The dosage of step (3) described initiator is preferably 0.01~0.3 mass parts；More preferably 0.01~0.18 mass
Part.
Step (3) initiator is preferably the radical initiator of oxidation or oxidation-reduction system；More preferably over cure
One or both of sour ammonium, ammonium persulfate/sodium hydrogensulfite, potassium peroxydisulfate/sodium hydrogensulfite, hydrogen peroxide and potassium peroxydisulfate
More than.
PH adjusting agent used in step (3) the adjusting pH be preferably one of sodium hydroxide, sodium carbonate and ammonium hydroxide or
It is two or more.
Step (3) the paper product copy paper coloring mill base can be by adding water that its mass concentration is adjusted to 20~40%；Preferably
30%.
A kind of paper product copy paper coloring mill base made from the above method.
A kind of application of the above-mentioned paper product copy paper coloring mill base in field of papermaking.
The application is preferably the application in the coloring of paper product copy paper, method particularly includes: it is added in slurry before coloured paper forms
Paper product copy paper colours mill base and color fixing agent, is uniformly mixed, copy paper.
The paper product copy paper coloring mill base additional amount is preferably the 1~2% of pulp quality, and color fixing agent additional amount is preferably
0.5~2 mass parts/100 mass parts paper pulp.The additive amount that paper product copy paper colours mill base is based on its solid content.
The color fixing agent is preferably alum, polyamideepichlorohydrin (PAE), cationic polyacrylamide (CPAM), gathers
One or more of dimethyl diallyl ammonium chloride (PDADMAC) and chitosan.
The incorporation time is preferably greater than 3min.
Herein described paper product copy paper coloring mill base is coated by coating modification technology with response type amino resin prepolymer
Modified toner is made, specifically by a certain amount of performed polymer and containing stabilizer, wetting agent mill base dispersion liquid after mixing, in acid
Under the conditions of property, performed polymer is cross-linked into insoluble macromolecular in toner particle surface adhesion polycondensation, then passes through cation modifier
It is grafted with hydrophilic monomer, is crosslinked polycondensation macromolecule modified, obtains the modification mill base macromolecular of hydrophily and cationic.
Compared with prior art, the present invention has the following advantages and beneficial effects:
(1) mill base produced by the present invention can be used for starching interior copy paper coloring, strong with the affinity and binding force of fiber, can support
Anti- water body of manufacturing paper with pulp rinses and the interference of mechanical force.
(2) the application by by amino resin prepolymer and toner adherency package polycondensation it is modified, then with it is cation-modified
Agent and hydrophilic monomer reaction, obtained mill base just have hydrophily and can be carried out copy paper coloring, and without cation modifier with
The modified mill base of hydrophilic monomer, then can the dusting due to hydrophily difference, so that copy paper coloring can not be carried out.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail, and embodiments of the present invention are not limited thereto.
Toner used in embodiment is Clariant blue toner, and C.I.15:3 is blue；Paper pulp used uses commercially available bleaching pulpboard,
By 100 grams of quantitative copy paper pieces, slurry is discongested 1 minute before copying；Cation modifier used is poly- Hydroxypropyldimonium Chloride；Institute
Stating setting-up point is room temperature.
Embodiment 1
(1) toner disperses: by 5 mass parts of toner, 1 mass parts of stabilizer CMC, 1 mass parts of wetting agent (OP-10) and water
50 mass parts are added to color development in porcelain grinding alms bowl and grind certain time, until can't see particle, obtain toner dispersion liquid.
(2) prepolymer prepares: by melamine, 1:2 proportion is uniformly mixed in molar ratio with formaldehyde, pH to 8 is adjusted, 60
DEG C reaction 30 minutes, be allowed into transparent colourless solution, as prepolymer.
(3) it coats toner: 2.5 mass parts of prepolymer (account for toner quality 50%) is added in toner dispersion liquid simultaneously
It is uniformly mixed, adjusts pH to 5, be condensed 2 hours.
(4) prepared by mill base: 80 DEG C are warming up to, 1 mass parts of cation modifier are added in the toner being covered to complete in (3),
The mixed solution of 5 mass parts of acrylamide and 0.1 mass parts of potassium peroxydisulfate is added dropwise, drips off within 1 hour, the reaction was continued 1 hour, reaction
Mixture is cooled to room temperature, and adjusts pH to 8, obtains paper product copy paper coloring mill base.Add water adjustment paper product copy paper coloring mill base quality
Concentration obtains aqueous color paste to 30%.
(5) copy paper fixation: aqueous color paste (additional amount be pulp quality 1%) and required is added in slurry for coloured paper before forming
1 mass parts of color fixing agent alum (to 100 mass parts paper pulp), mixing 3 minutes or more, copy paper.After copy paper, coloured paper color is measured, it is blue
Color color density 1.2.Waste water absorbance 0.086.
It is dyed using conventional FBL blue dyes, under identical toner and color fixing agent dosage, coloured paper blue density 0.9, waste water is inhaled
Luminosity 0.121.
Embodiment 2
(1) toner disperses: by 30 mass parts of toner, stabilizer PVA5 mass parts, 5 mass parts of wetting agent (OP-10) and water
100 mass parts are added to color development in porcelain grinding alms bowl and grind certain time, until can't see particle, obtain toner dispersion liquid.
(2) prepolymer prepares: by melamine, 1:6 proportion is uniformly mixed in molar ratio with formaldehyde, pH to 8 is adjusted, 60
DEG C reaction 30 minutes, be allowed into transparent colourless solution, as prepolymer.
(3) it coats toner: 30 mass parts of prepolymer (account for toner quality 100%) is added in toner dispersion liquid simultaneously
It is uniformly mixed, adjusts pH to 1, be condensed 2 hours.
(4) prepared by mill base: 70 DEG C are warming up to, 5 mass parts of cation modifier are added in the toner being covered to complete in (3),
The mixed solution of 20 mass parts of hydrophilic monomer acrylamide and 0.3 mass parts of ammonium persulfate is added dropwise, drips off within 1 hour, the reaction was continued 2
Hour, reaction mixture is cooled to room temperature, and adjusts pH to 9, obtains paper product copy paper coloring mill base.Add water adjustment paper product copy paper coloring
Mill base mass concentration obtains aqueous color paste to 30%.
(5) copy paper fixation: aqueous color paste (additional amount be pulp quality 1%) and required is added in slurry for coloured paper before forming
1 mass parts of color fixing agent wet strength agent polyamideepichlorohydrin (to 100 mass parts paper pulp), mixing 3 minutes or more, copy paper.Copy paper
Afterwards, coloured paper color, blue color density 1.2 are measured.Waste water absorbance 0.086.
It is dyed using conventional FBL blue dyes, under identical toner and color fixing agent dosage, coloured paper blue density 0.9, waste water is inhaled
Luminosity 0.121.
Embodiment 3
(1) toner disperses: by 15 mass parts of toner, 3 mass parts of stabilizer CMC, 2 mass parts of wetting agent (OP-10) and water
80 mass parts are added to color development in porcelain grinding alms bowl and grind certain time, until can't see particle, obtain toner dispersion liquid.
(2) prepolymer prepares: by urea, 1:2 proportion is uniformly mixed in molar ratio with formaldehyde, adjusts pH to 8, anti-at 60 DEG C
It answers 30 minutes, is allowed into transparent colourless solution, as prepolymer.
(3) it coats toner: 7.5 mass parts of prepolymer (account for toner quality 50%) is added in toner dispersion liquid simultaneously
It is uniformly mixed, adjusts pH to 5, be condensed 5 hours.
(4) prepared by mill base: 80 DEG C are warming up to, 3 mass parts of cation modifier are added in the toner being covered to complete in (3),
The mixed solution of 10 mass parts of hydrophilic monomer acrylic acid and 0.2 mass parts of ammonium persulfate is added dropwise, drips off within 1 hour, it is 2 small that the reaction was continued
When, reaction mixture is cooled to room temperature, and adjusts pH to 8, obtains paper product copy paper coloring mill base.Add water adjustment paper product copy paper coloring mill base
Mass concentration obtains aqueous color paste to 30%.
(5) copy paper fixation: aqueous color paste (additional amount be pulp quality 1%) and required is added in slurry for coloured paper before forming
2 mass parts of color fixing agent polydimethyl diallyl ammonium chloride (PDADMAC) (to 100 mass parts paper pulp), mixing 3 minutes or more,
Copy paper.After copy paper, coloured paper color, blue color density 1.12 are measured.Waste water absorbance 0.095.
It is dyed using conventional FBL blue dyes, under identical toner and color fixing agent dosage, coloured paper blue density 0.9, waste water is inhaled
Luminosity 0.121.
Embodiment 4
(1) toner disperses: by 15 mass parts of toner, 3 mass parts of stabilizer PVA, 3 mass parts of wetting agent (OP-10) and water
80 mass parts are added to color development grinding certain time in porcelain grinding alms bowl, until obtaining toner dispersion liquid up to can't see particle.
(2) prepolymer prepares: by urea, 1:2 proportion is uniformly mixed in molar ratio with formaldehyde, adjusts pH to 9, anti-at 60 DEG C
It answers 30 minutes, is allowed into transparent colourless solution A；By melamine and formaldehyde, 1:3 proportion is added in molar ratio, adjusts pH to 9,
60 DEG C are reacted 30 minutes, and transparent colourless solution B is allowed into；A is mixed with B by 1:1 mass ratio to get performed polymer.
(3) it coats toner: 22.5 mass parts of prepolymer (account for toner quality 150%) is added in toner dispersion liquid
And be uniformly mixed, pH to 5 is adjusted, is condensed 5 hours.
(4) prepared by mill base: 80 DEG C are warming up to, 4 mass parts of cation modifier are added in the toner being covered to complete in (3),
The mixed solution of 30 mass parts of hydrophilic monomer acrylamide and 0.3 mass parts of potassium peroxydisulfate is added dropwise, drips off within 1 hour, the reaction was continued 2
Hour, reaction mixture is cooled to room temperature, and adjusts pH to 9, obtains paper product copy paper coloring mill base.Add water adjustment paper product copy paper coloring
Mill base mass concentration obtains aqueous color paste to 30%.
(5) copy paper fixation: aqueous color paste (additional amount be pulp quality 1%) and required is added in slurry for coloured paper before forming
2 mass parts of color fixing agent polydimethyl diallyl ammonium chloride (PDADMAC) (to 100 mass parts paper pulp), mixing 3 minutes or more,
Copy paper.After copy paper, coloured paper color, blue color density 1.12 are measured.Waste water absorbance 0.095.
It is dyed using conventional FBL blue dyes, under identical toner and color fixing agent dosage, coloured paper blue density 0.9, waste water is inhaled
Luminosity 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, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. a kind of preparation method of paper product copy paper coloring mill base, which comprises the following steps:
(1) 5~30 mass parts toners, 1~5 mass parts stabilizer, 1~5 mass parts wetting agent and 50~100 mass parts water are ground
Mill uniformly, obtains toner dispersion liquid；
(2) 2.5~30 mass parts amino resin prepolymers are added into toner dispersion liquid and are uniformly mixed, adjust pH to 1~5,
Condensation reaction 2~5 hours, obtain cladding toner mixed liquor；
(3) cladding toner mixed liquor is warming up to 50~80 DEG C, 1~5 mass parts cation modifier is added, is added dropwise to by hydrophilic
The mixed liquor of monomer and initiator composition, drips off for 1 hour, and the reaction was continued 1~2 hour, is cooled to room temperature, and pH is adjusted to 8~9,
Obtain paper product copy paper coloring mill base；
Wherein 5~30 mass parts of hydrophilic monomer, initiator amount account for amino resins performed polymer and hydrophilic monomer gross mass 0.1~
1%.
2. a kind of preparation method of paper product copy paper coloring mill base according to claim 1, which is characterized in that step (2) is described
Amino resin prepolymer refers to that the melamine of amino-contained or urea are reacted with formaldehyde under alkaline condition, and formaldehyde is by melamine
Or the amido methylolation on urea molecule, form the unstable intermediate product containing multiple methylols, as amino resins pre-polymerization
Object.
3. a kind of preparation method of paper product copy paper coloring mill base according to claim 2, which is characterized in that the amino resins
Prepolymer is prepared by following methods: by melamine, 1:2~1:6 proportion is uniformly mixed in molar ratio with formaldehyde, adjusts pH
To 8~9, is reacted 30 minutes at 60~80 DEG C, obtain transparent colourless solution A；By urea and formaldehyde 1:1.3~1:2 in molar ratio
Proportion is uniformly mixed, and adjusts pH to 8~9, is reacted 30 minutes at 60~80 DEG C, is obtained transparent colourless solution B；The amino resins
Prepolymer is the arbitrary proportion mixture of transparent colourless solution A and B, is perhaps transparent colourless solution A or is that clear, colorless is molten
Liquid B.
4. a kind of according to claim 1 or 2 or 3 preparation methods of paper product copy paper coloring mill base, which is characterized in that step
(1) stabilizer is macromolecular hydroaropic substance；
The wetting agent is while having the surfactant of hydrophilic radical and hydrophobic grouping；
Step (3) hydrophilic monomer is acrylic acid, methacrylic acid, methylene-succinic acid, hydroxy-ethyl acrylate, acrylic acid
One or more of hydroxypropyl acrylate, acrylamide, Methacrylamide and maleic anhydride；The cation modifier is poly-
Hydroxypropyldimonium Chloride；
The initiator is the radical initiator of oxidation or oxidation-reduction system.
5. a kind of preparation method of paper product copy paper coloring mill base according to claim 4, which is characterized in that step (1) is described
Stabilizer be polyvinyl alcohol, carboxymethyl cellulose, sodium carboxymethylcellulose, chitosan and converted starch it is one or two kinds of with
On；The converted starch is one or more of oxidized starch, esterification starch and etherification starch；
The wetting agent is w/o type nonionic surfactant；
Step (3) initiator is ammonium persulfate, ammonium persulfate/sodium hydrogensulfite, potassium peroxydisulfate/sodium hydrogensulfite, peroxide
Change one or more of hydrogen and potassium peroxydisulfate；The dosage of the initiator is 0.01~0.3 mass parts.
6. a kind of preparation method of paper product copy paper coloring mill base according to claim 4, which is characterized in that
Step (1) toner is phthalocyanine blue pigment；
The temperature of step (2) described condensation reaction is room temperature；PH adjusting agent used in the adjusting pH is hydrochloric acid, acetic acid, formic acid
One or more of with ammonium chloride；
PH adjusting agent used in step (3) the adjusting pH is one or more of sodium hydroxide, sodium carbonate and ammonium hydroxide.
7. a kind of paper product copy paper coloring mill base made from any one of claim 1~6 the method.
8. a kind of application of any one of the claim 7 paper product copy paper coloring mill base in field of papermaking.
9. application of a kind of paper product copy paper coloring mill base in field of papermaking according to claim 8, which is characterized in that in paper
Application in the coloring of product copy paper, method particularly includes: paper product copy paper coloring mill base and color fixing agent is added before coloured paper forms in slurry, mixes
It closes uniformly, copy paper.
10. application of a kind of paper product copy paper coloring mill base in field of papermaking according to claim 9, which is characterized in that institute
Stating paper product copy paper coloring mill base additional amount is the 1~2% of pulp quality, and color fixing agent additional amount is 0.5~2 mass parts/100 mass
Part paper pulp；
The color fixing agent is alum, polyamideepichlorohydrin, cationic polyacrylamide, polydimethyl diallyl ammonium chloride
One or more of with chitosan；The incorporation time is greater than 3min.
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| 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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| CN108385441A (en) * | 2018-02-12 | 2018-08-10 | 广东轻工职业技术学院 | A kind of paper cation nanometer mill base and its preparation method and application |
| WO2018193083A1 (en) * | 2017-04-21 | 2018-10-25 | Basf Colors & Effects Gmbh | Process for preparing an aqueous dispersion of pigment containing particles |
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| CN102964898A (en) * | 2011-08-05 | 2013-03-13 | 罗门哈斯公司 | Waterborne coating composition with improved hydrophilic stain repellency |
| WO2018193083A1 (en) * | 2017-04-21 | 2018-10-25 | Basf Colors & Effects Gmbh | Process for preparing an aqueous dispersion of pigment containing particles |
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Application publication date: 20190917 |