CN107217539A - A kind of art paper for printing of rotary press and its production method - Google Patents
A kind of art paper for printing of rotary press and its production method Download PDFInfo
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- CN107217539A CN107217539A CN201710347443.1A CN201710347443A CN107217539A CN 107217539 A CN107217539 A CN 107217539A CN 201710347443 A CN201710347443 A CN 201710347443A CN 107217539 A CN107217539 A CN 107217539A
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- latex
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- art paper
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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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of 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
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/385—Oxides, hydroxides or carbonates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/54—Starch
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/58—Polymers or oligomers of diolefins, aromatic vinyl monomers or unsaturated acids or derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/56—Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/60—Polyalkenylalcohols; Polyalkenylethers; Polyalkenylesters
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/82—Paper comprising more than one coating superposed
- D21H19/822—Paper comprising more than one coating superposed two superposed coatings, both being pigmented
-
- 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
- D21H23/34—Knife or blade type coaters
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
Abstract
The invention discloses a kind of art paper for printing of rotary press and its production method, the production method includes：Body paper is provided；At least two layers in the surface of the body paper successively coating surface glue application layer, priming coat, finishing coat, and then obtain the art paper；Wherein, the priming coat and/or finishing coat, which are included, contains the second latex in pigment and the first latex, first latex；The weight/mass percentage composition of the particle diameter of second latex gel in more than 185nm, and second latex is 20%~60%.By the above-mentioned means, art paper of the present invention has good temperature tolerance.
Description
Technical field
The present invention relates to pulp technology for making paper, more particularly to a kind of art paper for printing of rotary press and its production method.
Background technology
In the press of Modern China, business rotary printing is a dark horse.Starting for business rotary press, commercial printing is carried
It is high to a higher level.It with shorter production cycle, printing of large quantities and high-quality, it is quick, efficiently for characteristic adaptation
The requirement of modern printing market.One of paper is mainly used as rotary printing, art paper is generally used to make senior printed matter.
Because rotary printing print speed is very fast, it is desirable to which art paper very short time after print completes drying, therefore rotary press dries
The setting of case temperature is general at 200 DEG C or so, and paper is up to more than 120 DEG C by paper surface temperature during baking oven.
But present inventor has found in long-term R＆D process, paper internal moisture rapid vapour at these elevated temperatures
Change expansion, such as moisture can not be in time from inside effusion, the problems such as will occurring the local bubbling of paper and joint layered, serious shadow
Ring the efficiency of rotary printing.
The content of the invention
, can the present invention solves the technical problem of a kind of art paper for printing of rotary press and its production method is provided
Improve the temperature tolerance of art paper.
In order to solve the above technical problems, one aspect of the present invention is：A kind of printing of rotary press copper is provided
Millboard, the art paper includes the coating layer of body paper and formation on the body paper surface；The coating layer is by top sizing layer, bottom
At least two compositions in coating, finishing coat；The priming coat and/or finishing coat include pigment and the first latex, described first
Contain the second latex in latex；Wherein, the particle diameter of second latex gel in more than 185nm, and second latex
Weight/mass percentage composition is 20%~60%.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of printing of rotary press is provided to use
The production method of art paper, methods described includes：Body paper is provided；On the surface of the body paper successively coating surface glue application layer, bottom
At least two layers in coating, finishing coat, and then obtain the art paper；Wherein, the priming coat and/or finishing coat include pigment
With the first latex, the second latex is contained in first latex；The particle diameter of second latex is in more than 185nm, and described
The weight/mass percentage composition of gel is 20%~60% in two latex.
The beneficial effects of the invention are as follows：The situation of prior art is different from, art paper of the present invention includes body paper and formed
The coating layer on body paper surface；Coating layer is made up of at least two in top sizing layer, priming coat, finishing coat；Priming coat and/or
Finishing coat, which is included, contains the second latex in pigment and the first latex, the first latex；Wherein, the particle diameter of the second latex 185nm with
On, and the weight/mass percentage composition of gel is 20%~60% in the second latex.The use of second latex, can significantly improve face painting
The opening of layer, and then improve into the permeability of paper so that art paper is when by baking oven, paper internal moisture rapid vaporization
The problems such as expanding and can therefrom escape in time, and then avoid occurring the local bubbling of paper and joint layered to a certain extent
Appearance, so as to improve the temperature tolerance of art paper.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.Wherein：
Fig. 1 is the schematic flow sheet of the embodiment of production method one of art paper for printing of rotary press of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this
Embodiment in invention, it is every other that those of ordinary skill in the art are obtained under the premise of performing creative labour is not made
Embodiment, belongs to the scope of protection of the invention.
In the embodiment of art paper for printing of rotary press one of the present invention, including body paper and formed body paper surface coating
Layer.
Wherein, the raw material that body paper is manufactured paper with pulp mainly includes slurry, filler and chemical assistant.Wherein, slurry can be needle
Wooden chemistry slurry, hardwood chemical pulp or weedtree chemical pulp, bamboo pulp, Deinking Pulp, mechanical pulp, copy back in waste stuff etc. at least one
Kind, filler can then help for one kind in precipitated calcium carbonate, powdered whiting, talcum powder, titanium dioxide etc. or its mixture, chemistry
Agent is one or more collocation in fluorescent whitening agent, dyestuff, drying strengthening agent, internal sizing agent, double base or ternary retention/filter aid
Use.In an application scenarios, retention/filter aid can select：PAMC+granular silicon sol/bentonite+the moon
Cationic polyacrylamide.
In an application scenarios, the pulp section point in the body paper includes softwood pulp, hardwood chemical pulp, machine
Tool slurry, copy back waste stuff and other slurries, wherein softwood pulp, hardwood chemical pulp, mechanical pulp, copy back waste stuff and its
The mass ratio of his slurry is 20~40：50~70：0~15：10~20：0~30.The mass ratio of filler and paper pulp is 5~15：
100.The mass ratio of chemical assistant and paper pulp is 0.02~2.0：100.Raw base paper is controlled in 45~70g/m again2In the range of.
Wherein, the proportioning of mechanical pulp can be in certain journey in the case where the interfacial bonding strength for ensureing body paper is unaffected
The cost of paper is reduced on degree.
In an application scenarios, the defibrination freedom of softwood pulp is 280~380ml, hardwood chemical pulp, miscellaneous
Wooden chemistry slurry, bamboo pulp, the defibrination freedom of Deinking Pulp (espespecially Deinking Pulp of the whiteness more than 80%) are 300~400ml, machinery
The defibrination freedom of slurry is 150~300ml.The freedom of slurry is controlled within above range, enables to body paper to have
High cohesive force.
In an application scenarios, the preferred powdered whiting of filler, its particle diameter be less than or equal to 2 μm of part accounting 60~
65%.The scope of the selection of filler and above-mentioned filling mixture ratio can reduce filler to a certain extent to body paper cohesive force not
Profit influence.
, can be using cationic starch, middle Low Molecular Weight Cationic Polyacrylamide as dry strong in an application scenarios
Agent.Wherein, the consumption of cationic starch can be 0.8~1.2% absolute dry pulp, and the consumption of PAMC can be 0.3
~0.5% absolute dry pulp.
Coating layer is made up of at least two in top sizing layer, priming coat, finishing coat, i.e., coating layer is by top sizing
Layer, priming coat composition, or be made up of top sizing layer, finishing coat, or by top sizing layer, priming coat, finishing coat, or by primary coat
Layer, finishing coat composition.
Wherein, top sizing layer is made up of one kind or its mixture in starch, surface sizing agent, Cypres.
Priming coat and/or finishing coat, which are included, contains the second latex in pigment and the first latex, the first latex.
Wherein, pigment refers mainly to the inorganic pigments such as kaolin, calcium carbonate, talcum powder, clay, titanium dioxide and plastic pigments
Deng organic pigment etc..
First latex can be at least one of styrene-butadiene latex, propyl benzene latex, vinyl acetate latex etc..
Wherein, the weight/mass percentage composition of the particle diameter of the second latex gel in more than 185nm, and the second latex be 20%~
60%.The gel content of latex refers to the amount for the high molecular polymer that latex is produced in building-up process, is contained using above-mentioned gel
Amount can reduce the compactness of coating to a certain extent, and then lift gas permeability.Simultaneously using the second latex of above-mentioned particle diameter,
Coating opening after drying can be improved.
Present embodiment art paper includes the coating layer of body paper and formation on body paper surface；Coating layer by top sizing layer,
At least two compositions in priming coat, finishing coat；Priming coat and/or finishing coat are included in pigment and the first latex, the first latex
Contain the second latex；Wherein, the particle diameter of the second latex weight/mass percentage composition of gel in more than 185nm, and the second latex is
20%~60%.The use of second latex, can significantly improve the opening of finishing coat, and then improve into the permeability of paper,
So that art paper is when after carrying out rotary printing by baking oven, paper internal moisture rapid vaporization expands and can therefrom escaped in time
The appearance for the problems such as going out, and then avoid occurring the local bubbling of paper and joint layered to a certain extent, so as to improve copperplate
The temperature tolerance of paper.
Wherein, in one embodiment, in priming coat, pigment includes precipitated calcium carbonate and powdered whiting, wherein, gently
The mass ratio of matter calcium carbonate and powdered whiting is 30~100：0~70.In an application scenarios, precipitated calcium carbonate is in pigment
In weight/mass percentage composition be 50~70%.
In above-mentioned pigment, in the precipitated calcium carbonate used, particle diameter be less than or equal to 2 μm of part accounting 50~
90%, it is preferable that the part accounting that particle diameter is less than or equal to 2 μm is more than 80%；In the powdered whiting used, particle diameter is less than etc.
In 2 μm of part accountings 60~98%.
Priming coat also includes starch, wherein, the mass ratio of pigment, starch and the first latex is 100：0~8：9~14.
In an application scenarios, weight/mass percentage composition of second latex in the first latex in priming coat is 30~60%.
Further, dispersant, defoamer, resistance to hydrated agent, lubricant, rheological agent and thickening can also be included in priming coat
At least one of additives such as agent.In an application scenarios, pigment：Dispersant, defoamer, resistance to hydrated agent, lubricant, stream
Become the mass ratio of agent and tackifier into 100：0.05~0.15：0.05~0.10：0.2~0.6：0~0.4：0.03~0.06：
0.2~0.6.In an application scenarios, above-mentioned additive can further include in colouring agent, NMF, thickener etc.
At least one.
Priming coat in present embodiment, after above-mentioned pigment, starch, latex and additive etc. are mixed, adds water and matches somebody with somebody
Bottom-coating of the solid content 63~67% is made.In addition, can also add alkali to adjust PH 9.0 ± 0.5.
In finishing coat, pigment includes precipitated calcium carbonate, powdered whiting and china clay, precipitated calcium carbonate, heavy carbonic acid
The mass ratio of calcium and china clay is 0~30：40~100：0~30.Wherein in precipitated calcium carbonate, particle diameter is less than or equal to 2 μm of portion
Divide accounting 95%；In the powdered whiting used, particle diameter is less than or equal to 2 μm of part accounting 60~98%；Used
China clay, particle diameter is less than or equal to 2 μm of part accounting 85~90%.
Wherein, the mass ratio of pigment and the first latex is 100：9~12.In an application scenarios, second in finishing coat
Weight/mass percentage composition of the latex in the first latex is 30~50%.
Further, fluorescent whitening agent, dyestuff, dispersant, defoamer, resistance to hydrated agent, lubrication can also be included in finishing coat
At least one of additives such as agent, rheological agent, tackifier, wherein, pigment, fluorescent whitening agent, dyestuff, dispersant, defoamer,
Resistance to hydrated agent, lubricant, rheological agent, the mass ratio of tackifier are 100：0.06~0.28：0.003~0.01：0.05~0.15：
0.05~0.10：0.2~0.6：0~0.4：0.03~0.06：0.2~0.6.In an application scenarios, above-mentioned additive is also
It may further include at least one of colouring agent, NMF, thickener etc..
After above-mentioned pigment, starch, latex and additive etc. are mixed, add water and be configured to solid content 66~70%
Painting coating, and add alkali to adjust PH 9.0 ± 0.5.
In present embodiment, in priming coat and finishing coat, the second latex and precipitated calcium carbonate (especially rhombus lightweight carbon
Sour calcium) use cooperatively, the opening of priming coat can be significantly improved, and then improve into the permeability of paper.
In an application scenarios, the coating weight of art paper priming coat of the present invention is 4~11g/m2/ face, the painting of finishing coat
Cloth amount is 8~14g/m2/ face.Preferably, priming coat coating weight is respectively 8~10g/m2/ face, the coating weight of finishing coat for 10~
14g/m2/ face.
Wherein, under the conditions of low primary coat coating weight, high face painting coating weight, the closure of priming coat can be weakened, improve face and apply
The opening of layer, and then further improve the gas permeability of art paper.Ensureing the condition of high paper interfacial bonding strength in addition
Under, the anti-foaming property of paper will be obviously improved.Meanwhile, coating weight is applied using higher face, for art paper after matt
Glossiness, roughness, face sense etc. physical property it is also highly beneficial.
In an application scenarios, water of moisture control of the body paper after top sizing after 3~4%, primary coat, face painting
Sub-control system is 5~6%, and the art paper Paper Moisture formed after supercalendering is controlled 3.5~4.0%.Maintained in art paper
In the case of 3.5~4.0% of a relatively high moisture, paper has high degree of holding and surface strength, and rotary printing dry linting shows
As also can substantially mitigate.
Referring to Fig. 1, Fig. 1 is the schematic flow sheet of the production method of art paper for printing of rotary press of the present invention, this method
Including：
Step S101：Body paper is provided；
In an application scenarios, raw base paper focuses on 45~70g/m2In the range of.
Step S102：At least two layers in the surface of body paper successively coating surface glue application layer, priming coat, finishing coat, enter
And obtain art paper；
Wherein, priming coat and/or finishing coat, which are included, contains the second latex in pigment and the first latex, the first latex；Second
The weight/mass percentage composition of the particle diameter of latex gel in more than 185nm, and the second latex is 20%~60%.
Top sizing layer can be carried out using on-line coater mode, and coating weight can be 1.5~3g/m2/ face.Priming coat, face are applied
Layer can carry out two-sided double-deck coating using at least one of bar type, scraper type etc., can be paper-dope spreading or on-line coater, bottom
Coating coating weight can be 4~11g/m2/ face, the coating weight of finishing coat can be 8~14g/m2/ face.Preferably, priming coat coating weight
Respectively 8~10g/m2/ face, the coating weight of finishing coat are 10~14g/m2/ face.
In present embodiment, the use of the second latex can significantly improve the opening of finishing coat, and then improve into paper
Permeability so that art paper is when by baking oven, and paper internal moisture rapid vaporization expands and can therefrom escaped in time, enters
And appearance the problems such as avoid occurring the local bubbling of paper and joint layered to a certain extent, so as to improve the resistance to of art paper
Warm nature.
Wherein, in one embodiment, step S101 includes：Using softwood pulp, hardwood chemical pulp, machinery
Starch, copy back waste stuff mixing or with other slurries be mixed and made into paper pulp again, filler, chemical assistant mixing are then added into paper pulp
Body paper is made.
Wherein, the defibrination freedom of softwood pulp is 280~380ml, and the defibrination freedom of hardwood chemical pulp is
300~400ml, the defibrination freedom of mechanical pulp is 150~300ml.
Wherein, art paper embodiment party is used on the related contents such as body paper, the composition of coating, proportioning and rotary printing of the present invention
Identical in formula, referring specifically to above-mentioned embodiment, here is omitted.
The present invention is specifically described below by specific embodiment.
Blank Example
When body paper is manufactured paper with pulp, using softwood pulp, hardwood chemical pulp, mechanical pulp, bamboo pulp and waste stuff point is copied back
Mixed pulp is not prepared with 40%, 25%, 15%, 10%, 10% quality proportioning, wherein main body slurry softwood pulp
Defibrination freedom 300ml, the defibrination freedom 340ml of hardwood chemical pulp；Add the heavy of 8% (relative to the weight of paper pulp)
Calcium carbonate adds chemical assistant as filler：The poly- Propionamides cation of internal sizing starch 1.2%, cation, which retains, to be helped
Agent 200ppm, silica gel anionoid retain auxiliary agent 2400ppm, by wet end dehydration forming, by squeezing, drying, obtain water
The base weight divided 2~3% is 64g/m2Body paper.
On body paper, machine inner surface applying glue is carried out using enzyme converted starch, resin added is controlled in 2~3g/m2/ face, manufactures paper with pulp
Into 70g/m2Paper.Its moisture by drying, is being controlled to be 4.5~5%, cohesive force is more than 2.5kg.cm.
Body paper after top sizing, then carry out in the bottom coating in scraper type two-sided double-deck coating, coating
Pigment ratio is：The mass ratio of precipitated calcium carbonate and powdered whiting is 0：100；Pigment, starch, the mass ratio of latex are 100：
8：11, the ratio that the second latex accounts for face latex proofing is 0%；Pigment, dispersant, defoamer, resistance to hydrated agent, the mass ratio of lubricant
For 100：0.005：0.005：0.5：0.5, add water the primary coat coated coating for being configured to solid content 66%.Coating weight is 9g/m2/
Face.The coat of colo(u)r pigment ratio of finishing coat in coating is：Precipitated calcium carbonate, powdered whiting, the mass ratio of china clay are 0：70：
30, pigment, the mass ratio of latex are 100：11, the ratio that the second latex accounts for face latex proofing is 0%；Pigment, dispersant, froth breaking
Agent, resistance to hydrated agent, the mass ratio of lubricant are 100：0.005：0.005：0.5：0.3, add water and be configured to solid content 68%
Face coating layer coating.Coating weight is 12g/m2/ face, paints 115g/m2Coating paper (exhausted dry basis 112g/m2).Paper after coating
Open after drying, press polish processing controls its moisture below 4%.
Comparative example 1
When body paper is manufactured paper with pulp, using softwood pulp, hardwood chemical pulp, mechanical pulp, bamboo pulp, the quality for copying back waste stuff
Than for 40%：50%：5%：0%：5% wet end furnish prepares the mill of mixed pulp, wherein main body slurry softwood pulp
Starch freedom 300ml, the defibrination freedom 340ml of hardwood chemical pulp；Add the heavy carbon of 8% (relative to the weight of paper pulp)
Sour calcium adds chemical assistant as filler：Internal sizing starch 1.2%, the poly- Propionamides cation of cation retains auxiliary agent
200ppm, silica gel anionoid retains auxiliary agent 2400ppm, by wet end dehydration forming, by squeezing, drying, obtains moisture
2~3% base weight be 64g/m2Body paper.
On body paper, machine inner surface applying glue is carried out using enzyme converted starch, resin added is controlled in 2~3g/m2/ face, manufactures paper with pulp
Into 70g/m2Paper.Its moisture by drying, is being controlled to be 3~4%, cohesive force is more than 2.5kg.cm.
By the body paper of top sizing, then carry out the face in the bottom coating in scraper type two-sided double-deck coating, coating
Expect that proportioning is：Precipitated calcium carbonate, the mass ratio of powdered whiting are 50：50；Pigment, starch, the mass ratio of latex are 100：8：
11, the ratio that the second latex accounts for base coating latex is 40%；Pigment, dispersant, defoamer, resistance to hydrated agent, the mass ratio of lubricant
For 100：0.05：0.05：0.5：0.4, add water the primary coat coated coating for being configured to solid content 66%.Coating weight is 9g/m2/
Face.Pigment ratio is in finishing coat in coating：Precipitated calcium carbonate, powdered whiting, the mass ratio of china clay are 30：40：30, face
Material, the mass ratio of latex are 100：11, the ratio that the second latex accounts for face latex proofing is 40%；It is pigment, dispersant, defoamer, resistance to
Hydrated agent, the mass ratio of lubricant are 100：0.05：0.05：0.5：0.3, add water the face coating layer for being configured to solid content 68%
Coating.Coating weight is 12g/m2/ face, paints 115g/m2 coating paper (exhausted dry basis 112g/m2).Paper after coating is by drying
After dry, press polish processing controls its moisture below 4%.
Comparative example 2
When body paper is manufactured paper with pulp, using softwood pulp, hardwood chemical pulp, mechanical pulp, bamboo pulp, the quality for copying back waste stuff
Than for 20%：50%：10%：5%：15% wet end furnish prepares mixed pulp, wherein main body slurry softwood pulp
Defibrination freedom 300ml, the defibrination freedom 320ml of hardwood chemical pulp；Add the weight of 10% (relative to the weight of paper pulp)
Matter calcium carbonate adds chemical assistant as filler：Internal sizing starch 1.0%, alkyl ketene dimer class sizing agent
0.8%th, the poly- Propionamides cation of cation retains auxiliary agent 300ppm, silica gel anionoid and retains auxiliary agent 3000ppm, by net
Portion's dehydration forming, then by squeezing, drying, the base weight for obtaining moisture 2~3% is 50g/m2Body paper.
On body paper, machine inner surface applying glue is carried out using oxidized starch, resin added is controlled in 2g/m2/ face, manufactures paper with pulp into 54g/
m2Paper.Its moisture by drying, is being controlled to be 4.5~5%, cohesive force is more than 3.0kg.cm.
By the body paper of top sizing, then the pigment ratio carried out in scraper type coating, its coating is：Precipitated calcium carbonate,
Powdered whiting, the mass ratio of china clay are 30：50：20；Pigment, the mass ratio of latex are 100：12, the second latex accounts for face gluing
The ratio of breast is 60%；Pigment, dispersant, defoamer, resistance to hydrated agent, the mass ratio of lubricant are 100：0.05：0.05：0.5：
0.4, add water the face coating layer coating for being configured to solid content 67%.Coating weight is 12~13g/m2/ face, paints 80g/m2Painting
Cloth paper.Paper after coating is after drying, and press polish processing controls its moisture below 4%.
Comparative example 3
When body paper paper is manufactured paper with pulp, using softwood pulp, hardwood chemical pulp, mechanical pulp, bamboo pulp, the matter for copying back waste stuff
Amount is than being 20%：50%：10%：10%：10% wet end furnish prepares mixed pulp, wherein main body slurry softwood pulp
Defibrination freedom 300ml, the defibrination freedom 340ml of hardwood chemical pulp；Add the weight of 8% (relative to the weight of paper pulp)
Matter calcium carbonate adds chemical assistant as filler：The poly- Propionamides cation of internal sizing starch 1.2%, cation retains
Auxiliary agent 300ppm, silica gel anionoid retain auxiliary agent 2400ppm, by wet end dehydration forming, by squeezing, drying, obtain
Moisture is 64g/m in 2~3% base weight2Body paper.
On body paper, machine inner surface applying glue is carried out using enzyme converted starch, resin added is controlled in 2~3g/m2/ face, it is super to make
Into 70g/m2Paper.Its moisture by drying, is being controlled to be 3.5~4%, cohesive force is more than 2.5kg.cm.
By the body paper of top sizing, then carry out the face in the bottom coating in scraper type two-sided double-deck coating, coating
Expect that proportioning is：Precipitated calcium carbonate, the mass ratio of powdered whiting are 30：70；Pigment, starch, the mass ratio of latex are 100：8：
11, the ratio that the second latex accounts for face latex proofing is 40%；Pigment, dispersant, defoamer, resistance to hydrated agent, the mass ratio of lubricant
For 100：0.05：0.05：0.5：0.4, add water the face coating layer coating for being configured to solid content 66%.Coating weight is 9g/m2/
Face.The coat of colo(u)r pigment ratio of finishing coat in coating is：Precipitated calcium carbonate, powdered whiting, the mass ratio of china clay are 30：
40：30, pigment, the mass ratio of latex are 100：11, the ratio that the second latex accounts for face latex proofing is 40%；Pigment, dispersant, disappear
Infusion, resistance to hydrated agent, the mass ratio of lubricant are 100：0.05：0.05：0.5：0.3, add water and be configured to solid content 68%
Face coating layer coating.Coating weight is 12g/m2/ face, paints 115g/m2Coating paper (exhausted dry basis 112g/m2).Paper after coating
Open after drying, press polish processing controls its moisture below 4%.
Gas permeability and the test of white sample oil bath temperature tolerance, obtained test knot are carried out to the art paper in the various embodiments described above
It is really as shown in table 1 below：
Each embodiment art paper relevant parameter of table 1 and test result
In the various embodiments described above in blank Example it can be seen from Table 1 that, ensure raw base paper weight and cohesive force phase
In the case of, the coating formula that comparative example 1,2,3 is optimized using the present invention, the art paper finally produced is ensureing into
In the case that paper cohesive force is quite even stronger, air permeability in blank Example substantially than being much improved, correspondingly, temperature tolerance
Improve more than 35 DEG C.
Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, is included within the scope of the present invention.
Claims (10)
1. a kind of art paper for printing of rotary press, it is characterised in that
The art paper includes the coating layer of body paper and formation on the body paper surface；
The coating layer is made up of at least two in top sizing layer, priming coat, finishing coat；
The priming coat and/or finishing coat, which are included, contains the second latex in pigment and the first latex, first latex；
Wherein, the particle diameter of second latex weight/mass percentage composition of gel in more than 185nm, and second latex is
20%~60%.
2. art paper for printing of rotary press according to claim 1, it is characterised in that
In the priming coat, the pigment includes precipitated calcium carbonate and powdered whiting, wherein, the precipitated calcium carbonate and again
The mass ratio of matter calcium carbonate is 30~100：0~70, the priming coat also includes starch, the pigment, the starch and institute
The mass ratio for stating the first latex is 100:0~8：9~14.
3. art paper for printing of rotary press according to claim 2, it is characterised in that
In the priming coat, weight/mass percentage composition of the precipitated calcium carbonate in the pigment is 50~70%.
4. art paper for printing of rotary press according to claim 2, it is characterised in that
In the priming coat, weight/mass percentage composition of second latex in first latex is 30~60%.
5. art paper for printing of rotary press according to claim 1, it is characterised in that
In the finishing coat, the pigment include precipitated calcium carbonate, powdered whiting and china clay, the precipitated calcium carbonate,
The mass ratio of powdered whiting and china clay is 0~30：40~100：0~30；The quality of the pigment and first latex
Than for 100：9~12.
6. art paper for printing of rotary press according to claim 5, it is characterised in that
In the finishing coat, weight/mass percentage composition of second latex in first latex is 30~50%.
7. art paper for printing of rotary press according to claim 1, it is characterised in that
The coating weight of the priming coat is 4~11g/m2/ face, the coating weight of the finishing coat are 8~14g/m2/ face.
8. art paper for printing of rotary press according to claim 1, it is characterised in that
The weight/mass percentage composition of the moisture of the art paper is 3.5%~4%.
9. a kind of production method of art paper for printing of rotary press, it is characterised in that methods described includes：
Body paper is provided；
At least two layers in the surface of the body paper successively coating surface glue application layer, priming coat, finishing coat, and then obtain described
Art paper；
Wherein, the priming coat and/or finishing coat, which are included, contains the second latex in pigment and the first latex, first latex；
The weight/mass percentage composition of the particle diameter of second latex gel in more than 185nm, and second latex is 20%~60%.
10. method according to claim 9, it is characterised in that the offer body paper, including：
Using softwood pulp, hardwood chemical pulp, mechanical pulp, copy back waste stuff mixing or be mixed again with other slurries
Paper pulp, then adds filler, chemical assistant into the paper pulp and is mixed and made into the body paper；
Wherein, the defibrination freedom of the softwood pulp is 280~380ml, and the defibrination of the hardwood chemical pulp dissociates
Spend for 300~400ml, the defibrination freedom of the mechanical pulp is 150~300ml.
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Citations (4)
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|---|---|---|---|---|
| WO2002050128A1 (en) * | 2000-12-20 | 2002-06-27 | Lg Chem, Ltd. | A method of preparing latex for coating paper |
| CN1546791A (en) * | 2003-12-15 | 2004-11-17 | 金东纸业(江苏)有限公司 | Coated paper for rotary machine printing and production method thereof |
| CN102261013A (en) * | 2011-07-07 | 2011-11-30 | 金东纸业（江苏）股份有限公司 | Art paper for printing of rotary press and manufacturing method thereof |
| CN106522024A (en) * | 2015-09-09 | 2017-03-22 | 金东纸业（江苏）股份有限公司 | Base-coat coating material, top-coat coating material, back-coat coating material, surface sizing agent and one-sided coated paper |
-
2017
- 2017-05-17 CN CN201710347443.1A patent/CN107217539A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002050128A1 (en) * | 2000-12-20 | 2002-06-27 | Lg Chem, Ltd. | A method of preparing latex for coating paper |
| CN1546791A (en) * | 2003-12-15 | 2004-11-17 | 金东纸业(江苏)有限公司 | Coated paper for rotary machine printing and production method thereof |
| CN102261013A (en) * | 2011-07-07 | 2011-11-30 | 金东纸业（江苏）股份有限公司 | Art paper for printing of rotary press and manufacturing method thereof |
| CN106522024A (en) * | 2015-09-09 | 2017-03-22 | 金东纸业（江苏）股份有限公司 | Base-coat coating material, top-coat coating material, back-coat coating material, surface sizing agent and one-sided coated paper |
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