CN1546791A - Coated paper for rotary machine printing and production method thereof - Google Patents
Coated paper for rotary machine printing and production method thereof Download PDFInfo
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- CN1546791A CN1546791A CNA2003101126193A CN200310112619A CN1546791A CN 1546791 A CN1546791 A CN 1546791A CN A2003101126193 A CNA2003101126193 A CN A2003101126193A CN 200310112619 A CN200310112619 A CN 200310112619A CN 1546791 A CN1546791 A CN 1546791A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000007639 printing Methods 0.000 title claims description 33
- 238000000576 coating method Methods 0.000 claims abstract description 71
- 239000011248 coating agent Substances 0.000 claims abstract description 68
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 24
- 239000000945 filler Substances 0.000 claims abstract description 21
- 239000000126 substance Substances 0.000 claims abstract description 19
- 239000003292 glue Substances 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 40
- 239000000049 pigment Substances 0.000 claims description 35
- 238000004513 sizing Methods 0.000 claims description 35
- 239000011159 matrix material Substances 0.000 claims description 32
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 28
- 229920002472 Starch Polymers 0.000 claims description 19
- 239000011121 hardwood Substances 0.000 claims description 19
- 239000011122 softwood Substances 0.000 claims description 19
- 239000008107 starch Substances 0.000 claims description 19
- 235000019698 starch Nutrition 0.000 claims description 19
- 229920000126 latex Polymers 0.000 claims description 18
- 239000004816 latex Substances 0.000 claims description 18
- 239000012752 auxiliary agent Substances 0.000 claims description 14
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 12
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 12
- 239000013530 defoamer Substances 0.000 claims description 12
- 239000002270 dispersing agent Substances 0.000 claims description 12
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 239000000314 lubricant Substances 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229920002401 polyacrylamide Polymers 0.000 claims description 9
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 7
- 241000276489 Merlangius merlangus Species 0.000 claims description 7
- 150000001450 anions Chemical class 0.000 claims description 7
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 7
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 7
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 5
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 5
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 5
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 5
- 235000004258 Cordia alliodora Nutrition 0.000 claims description 4
- 244000085692 Cordia alliodora Species 0.000 claims description 4
- 150000001768 cations Chemical class 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 4
- 239000006081 fluorescent whitening agent Substances 0.000 claims description 4
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims description 4
- 239000010410 layer Substances 0.000 abstract description 16
- 239000011247 coating layer Substances 0.000 abstract description 3
- 239000000654 additive Substances 0.000 abstract 3
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000007517 polishing process Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 239000002345 surface coating layer Substances 0.000 abstract 1
- -1 precoated shet Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000005187 foaming Methods 0.000 description 4
- 239000001254 oxidized starch Substances 0.000 description 4
- 235000013808 oxidized starch Nutrition 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 125000002091 cationic group Chemical group 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000002174 Styrene-butadiene Substances 0.000 description 2
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- ODLMAHJVESYWTB-UHFFFAOYSA-N propylbenzene Chemical compound CCCC1=CC=CC=C1 ODLMAHJVESYWTB-UHFFFAOYSA-N 0.000 description 2
- 239000011115 styrene butadiene Substances 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 229920001353 Dextrin Polymers 0.000 description 1
- 239000004375 Dextrin Substances 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000019425 dextrin Nutrition 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 239000003906 humectant Substances 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000004017 vitrification Methods 0.000 description 1
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Abstract
The invention is a kind of coating paper manufacturing method for rotary printer, which upgrades the temperature enduring is upgrades about 20-30 degrees. The coating paper includes paper pulp of broad-leaved wood pulp, needle-leaved wood pulp, the fillers and chemical additives, all of which are produced into base paper, in the base paper, needle-leaved wood pulp: broad-leaved wood pulp=15-55: 85-45; fillers: paper pulp= 6-12:100, chemical additives: paper pulp= 0.5-5:100; there has a coating layer out of the base paper. The manufacturing steps are: uses broad-leaved pulp and needle-leaved pulp to produce compound paper pulp, when adds in fillers and chemical additives, gets the base paper, then coats a layer of glue executing layer, precoating layer and surface coating layer on the surface of the base paper, thus the coating paper can be produced further through post pressing and polishing process. The coating paper can reach following standards: the glossiness is not less than 60 degrees, the coarse degree is not more than 1.2 micro meters, and the ink sorption rate is 25-35%, the temperature performance is not less than 180 degrees.
Description
Technical field
The present invention is a kind of printing of rotary press coated paper and production method thereof, belongs to pulp technology for making paper.
Background technology
Along with the development of printing technology, rotary printing as a kind of continuously, mode of printing was developed rapidly in recent years at home efficiently.The domestic rotary press of having put into commercial operation has reached more than 50 at present, and annual paper using amount is about 300,000 tons.It is wood-free paper, light weight coated paper and art paper with paper mainly, and wood-free paper and light weight coated paper generally are used to print low and middle-grade propaganda materials, magazine paper, and senior printed matter generally adopts art paper.
Rotary printing is because its print speed printing speed is fast, require paper energy after printing dry rapidly, thereby its oven temperature higher (about 200 ℃), the temperature tolerance that requires paper is more than 170 ℃, and general art paper is often because the heat resistance not good (generally below 150 ℃) of paper, paper easily produces bubbling, has a strong impact on print quality.
In the world, the production of many well-known papermaking enterprise rotary printing papers is mature on the whole, and its product has preferable quality and stability.For a long time, domestic rotary printing all is that imported product is leading with art paper market, and home products can't be competed with its formation because production technology is immature.
Summary of the invention
Technical problem: the purpose of this invention is to provide a kind of rotary press with coated paper and production method, the special-purpose coated paper of the rotary press of being produced, its printing effect is suitable with general art paper, but temperature tolerance improves about the 20-30 degree.
Technical scheme: printing of rotary press coated paper of the present invention, comprise that paper pulp, filler and the chemical addition agent made by hardwood pulp, softwood pulp are mixed and made into matrix paper, paper pulp is calculated by weight softwood pulp in this matrix paper: hardwood pulp=15～55: 85～45; Filler: paper pulp=6～12: 100, chemical addition agent: paper pulp=0.5～5: 100; The outer surface of this matrix paper scribbles coating.
Wherein filler is a kind of or its mixture in precipitated calcium carbonate, powdered whiting, the talcum powder.Chemical addition agent is a kind of or its mixture in starch, sizing agent, CATION reservation auxiliary agent, anion reservation auxiliary agent, polyacrylamide, sodium carboxymethylcellulose, fluorescent whitening agent, the coloring agent.
Coating is made up of top sizing layer, precoated shet, or top sizing layer, finishing coat form, or top sizing layer, precoated shet, finishing coat, or precoated shet, finishing coat are formed.
Top sizing layer in its floating coat by starch, surface sizing agent, Cypres is a kind of or its mixture is formed.The pigment ratio of the precoated shet in the coating is: calcium carbonate: china clay=100-50: 0-50; Pigment: starch: latex=100: 2-6: 11-7; Pigment: dispersant: defoamer: anti-hydrated agent: lubricant=100: 0.05-0.10: 0.05-0.10: 0.3-0.7: 0.5-1.0; Add water and be mixed with the precoated shet coating of solid content at 64-67%.Finishing coat pigment ratio in the coating is: calcium carbonate: china clay=80-30: 20-70; Pigment: carboxymethyl cellulose: latex=100: 0.3-0.8: 9-13; Pigment: dispersant: defoamer: anti-hydrated agent: lubricant=100: 0.05-0.10: 0.05-0.10: 0.3-0.7: 0.5-1.0 adds water and is mixed with the finishing coat coating of solid content at 63-66%.
Printing of rotary press of the present invention with the making step of the production method of coated paper is: adopt hardwood pulp, softwood pulp to make mixed pulp, add filler and chemical addition agent again and be mixed and made into matrix paper, then on matrix paper surface coating surface glue application layer, precoated shet, finishing coat successively, handle through follow-up press polish again, make the printing of rotary press coated paper.
Adopt hardwood pulp, when softwood pulp is made mixed pulp, the defibrination freedom of hardwood pulp is controlled at 350-450CSF, the defibrination freedom of softwood pulp is controlled at 380-460CSF.Its top sizing layer adopts the interior coating method of machine to carry out, and its coating weight is 1-4g/m
2/ face; Its precoated shet, finishing coat adopt scraper to carry out two-sided double-deck coating, and the coating weight of precoated shet, finishing coat is respectively 8-20g/m
2/ face; When oven dry, the moisture content of control paper is below 5%.Matrix paper is controlled at 3-5% through the moisture content behind the top sizing, and the moisture content after being coated with through precoating, face is controlled at 3-5%.
The mechanism that the present invention is directed to art paper foaming when oven dry is studied.The process of oven dry is the moisture content vaporization of art paper inside and the process of overflowing, if moisture content can not will produce the foaming phenomenon in time from its inner effusion.This process is relevant with the holding capacity of escaped quantity, discharge channel and the paper of its gas.
The escaped quantity of gas is relevant with paper moisture content, and paper moisture content is high more, and it needs the escaping gas amount just many more, so paper moisture content is low more good more, but paper moisture content is low excessively, then can cause the paper embrittlement, easily produces printing issues.
The discharge channel of gas is relevant with the coating porosity of paper surface, general art paper is when carrying out hectographic printing, its surface strength there is strict requirement, in order to guarantee its surface strength, the general intensity styrene-butadiene latex preferably that adopts, thereby cause coating layer comparatively to seal, thereby the discharge channel of gas is hindered.
Gas is when overflowing, if (be inner interfacial bonding strength: cohesive force) enough, also can not produce the foaming phenomenon, so the cohesive force of paper is high more good more, but the cohesive force of paper is subjected to restrictions such as slurry, defibrination condition to the holding capacity of paper.
In addition, the coated paper of same grammes per square metre, if its coating is thinner, the obstruction that gas is subjected to when overflowing is just little, but its body paper grammes per square metre is higher, and cohesive force is just on the low side accordingly, and coating is thinner, and its covering performance is not good also can to influence printing effect; If its body paper grammes per square metre is lower, cohesive force is corresponding higher, but coating is just thicker, and the obstruction that gas is subjected to when overflowing is just big, thereby easily produces the foaming phenomenon.
Beneficial effect: the contradiction and the deficiency that the present invention is directed to the above-mentioned existence of general art paper, a kind of rotary press coated paper and production method thereof are proposed, the rotary press of being produced coated paper, its printing effect is suitable with general coated paper, but temperature tolerance improves about the 30-60 degree, is applicable to rotary press usefulness.Has more far-reaching social benefit.
The specific embodiment
The present invention includes that matrix paper is manufactured paper with pulp, coating preparation, coating processing technology, wherein: printing of rotary press coated paper of the present invention, comprise that paper pulp, filler and the chemical addition agent made by hardwood pulp, softwood pulp are mixed and made into matrix paper, paper pulp is calculated by weight softwood pulp in this matrix paper: hardwood pulp=15～55: 85～45; Filler: paper pulp=6～12: 100, chemical addition agent: paper pulp=0.5～5: 100; The outer surface of this matrix paper scribbles coating.
Wherein filler is a kind of or its mixture in precipitated calcium carbonate, powdered whiting, the talcum powder.Chemical addition agent is a kind of or its mixture in starch, sizing agent, CATION reservation auxiliary agent, anion reservation auxiliary agent, polyacrylamide, sodium carboxymethylcellulose, fluorescent whitening agent, the coloring agent.
Coating is made up of top sizing layer, precoated shet, or top sizing layer, finishing coat form, or top sizing layer, precoated shet, finishing coat, or precoated shet, finishing coat are formed.
Top sizing layer in its floating coat by starch, surface sizing agent, Cypres is a kind of or its mixture is formed.The pigment ratio of the precoated shet in the coating is: calcium carbonate: china clay=100-50: 0-50; Pigment: starch: latex=100: 2-6: 11-7; Pigment: dispersant: defoamer: anti-hydrated agent: lubricant=100: 0.05-0.10: 0.05-0.10: 0.3-0.7: 0.5-1.0; Add water and be mixed with the precoated shet coating of solid content at 64-67%.Finishing coat pigment ratio in the coating is: calcium carbonate: china clay=80-30: 20-70; Pigment: carboxymethyl cellulose: latex=100: 0.3-0.8: 9-13; Pigment: dispersant: defoamer: anti-hydrated agent: lubricant=100: 0.05-0.10: 0.05-0.10: 0.3-0.7: 0.5-1.0 adds water and is mixed with the finishing coat coating of solid content at 63-66%.
Printing of rotary press of the present invention with the making step of the production method of coated paper is: adopt hardwood pulp, softwood pulp to make mixed pulp, add filler and chemical addition agent again and be mixed and made into matrix paper, then on matrix paper surface coating surface glue application layer, precoated shet, finishing coat successively, handle through follow-up press polish again, make the printing of rotary press coated paper.
Adopt hardwood pulp, when softwood pulp is made mixed pulp, the defibrination freedom of hardwood pulp is controlled at 350-450CSF, the defibrination freedom of softwood pulp is controlled at 380-460CSF.Its top sizing layer adopts the interior coating method of machine to carry out, and its coating weight is 1-4g/m
2/ face; Its precoated shet, finishing coat adopt scraper to carry out two-sided double-deck coating, and the coating weight of precoated shet, finishing coat is respectively 8-20g/m
2/ face; When oven dry, the moisture content of control paper is below 5%.Matrix paper is controlled at 3-5% through the moisture content behind the top sizing, and the moisture content after being coated with through precoating, face is controlled at 3-5%.
When matrix paper is manufactured paper with pulp, adopt hardwood pulp (being called for short LBKP), softwood pulp (being called for short NBKP).Improve the NBKP consumption and help to improve cohesive force, be advisable to be not less than 15%.In addition, when not influencing the performance of manufacturing paper with pulp, paper pulp can be ground dark (being that freedom is lower), also can add polyacrylamide (PAM), sodium carboxymethylcellulose (CMC) etc. with raising body paper cohesive force.In addition, the addition of filler also can influence its cohesive force in the paper, and the filler addition is many more, and cohesive force is low more, is advisable to be no more than 10%, and filler is a kind of or its mixture in precipitated calcium carbonate, powdered whiting, the talcum powder.Chemical addition agent in the paper is a kind of or its mixture in starch, sizing agent, CATION reservation auxiliary agent, anion reservation auxiliary agent, polyacrylamide, sodium carboxymethylcellulose, fluorescent whitening agent, the coloring agent.After the body paper oven dry, its moisture content is advisable to be no more than 5%.
Top sizing layer in the coating by starch, surface sizing agent, Cypres is a kind of or its mixture is formed; It is inorganic pigments such as well-known china clay, calcium carbonate, talcum powder that the coating of precoated shet and finishing coat prepares used pigment, and organic pigments such as plastic pigments can suit to select to use more than a kind with paint as required.Used latex can be selected to use more than a kind from styrene-butadiene latex, propyl benzene latex, vinyl acetate latex; Used starch can be selected to use more than a kind from oxidized starch, organic phosphate starch, ethoxy etherificate starch, dextrin; In addition, as required, can suitably be used the various assistants that general coated paper such as dispersant, thickener, humectant, defoamer, anti-hydrated agent, colouring agent is used.Carried out special research at the latex in the coating among the present invention, adopted the higher latex of vitrification point, the porosity of its coating is better, can comparatively significantly improve its blister resistance.
Be coated with on matrix paper, the coating weight of coating layer is at 10-25g/m
2Be ideal.When oven dry, the moisture content of control paper is being advisable below 5%.In addition, for improving the flatness and the press quality of paper, the coated paper of gained carries out the optical processing of machine external pressure more by the way.
Embodiment 1
When matrix paper is manufactured paper with pulp, adopt 15% softwood pulp (defibrination freedom 400CSF), 85% hardwood pulp (defibrination freedom 380CSF) preparation mixed pulp, the powdered whiting that adds 10% (with respect to paper pulp weight) is as filler, adding chemical addition agent again is internal sizing starch 0.6-1.2%, alkyl ketene dimer class sizing agent 0.6-1.2%, the cationic polyacrylamide cationoid keeps auxiliary agent 100-400ppm, the silica type anion keeps auxiliary agent 1000-4000ppm, through wet end dehydration moulding, again through squeezing, oven dry, control moisture is at the 50g/m of 2-3%
2Matrix paper.
On matrix paper, adopt oxidized starch to carry out the applying glue of machine inner surface, resin added is controlled at 2-3g/m
2/ face is manufactured paper with pulp into 55g/m
2Paper.Through oven dry, controlling its moisture content is 4.5-5% again, and cohesive force is greater than 3.5kg.cm.
Through the matrix paper of top sizing, carry out the scraper type coating again, the pigment ratio in its coating is: calcium carbonate: china clay=40: 60; Pigment: carboxymethyl cellulose: latex=100: 1: 9; Pigment: dispersant: defoamer: anti-hydrated agent: lubricant=100: 0.05: 0.05; 0.5: 0.8, add water and be mixed with solid content at 65% finishing coat coating.Coating weight is 12-13g/m
2/ face is painted 80g/m
2Coated paper.Paper after the coating is through after drying, and press polish is handled, and controls its moisture content below 5%.
Embodiment 2
When matrix paper is manufactured paper with pulp, adopt 30% softwood pulp (defibrination freedom 380CSF), 70% hardwood pulp (defibrination freedom 370CSF) preparation mixed pulp, the powdered whiting that adds 8% (with respect to paper pulp weight) is as filler, adding chemical addition agent again is internal sizing starch 0.6-1.2%, alkyl ketene dimer class sizing agent 0.6-1.2%, the cationic polyacrylamide cationoid keeps auxiliary agent 100-400ppm, the silica type anion keeps auxiliary agent 1000-4000ppm, through wet end dehydration moulding, again through squeezing, oven dry, control moisture is at the 78g/m of 2-3%
2Matrix paper.
On matrix paper, adopt oxidized starch to carry out the applying glue of machine inner surface, resin added is controlled at 2-3g/m
2/ face is manufactured paper with pulp into 84g/m
2Paper.Through oven dry, controlling its moisture content is 4.0-4.5% again, and cohesive force is greater than 1.5kg.cm.Also can directly manufacture paper with pulp into 84g/m
2Paper, controlling its moisture content is 4.0-4.5%, cohesive force is greater than 1.5kg.cm.
Through the matrix paper of top sizing, carry out the two-sided double-deck coating of scraper type again, pigment is in its precoating coating: calcium carbonate: china clay=100: 0; Pigment: starch: latex=100: 4: 9; Pigment: dispersant: defoamer: anti-hydrated agent: lubricant=100: 0.05: 0.05: 0.5: 0.5, add water and be mixed with solid content at 65% coating fluid, coating weight is 10g/m
2/ face.Finishing coat pigment ratio in the coating is: calcium carbonate: china clay=70: 30; Pigment: carboxymethyl cellulose: latex=100: 1: 9; Pigment: dispersant: defoamer: anti-hydrated agent: lubricant=100: 0.05: 0.05: 0.5: 0.8, add water and be mixed with solid content at 65% finishing coat coating.Coating weight is 11g/m
2/ face is painted 128g/m
2Coated paper.Paper after the coating is through after drying, and press polish is handled, and controls its moisture content below 4%.
Embodiment 3
When matrix paper is manufactured paper with pulp, adopt 50% softwood pulp (defibrination freedom 380CSF), 50% hardwood pulp (defibrination freedom 370CSF) preparation mixed pulp, the powdered whiting that adds 9% (with respect to paper pulp weight) is as filler, adding chemical addition agent again is internal sizing starch 0.6-1.2%, alkyl ketene dimer class sizing agent 0.6-1.2%, the cationic polyacrylamide cationoid keeps auxiliary agent 100-400ppm, the silica type anion keeps auxiliary agent 1000-4000ppm, through wet end dehydration moulding, again through squeezing, oven dry, control moisture is at the 64g/m of 2-3%
2Matrix paper.
On matrix paper, adopt oxidized starch to carry out the applying glue of machine inner surface, resin added is controlled at 2-3g/m
2/ face is manufactured paper with pulp into 70g/m
2Paper.Through oven dry, controlling its moisture content is 4.5-5% again, and cohesive force is greater than 2.0kg.cm.
Through the matrix paper of top sizing, carry out the two-sided double-deck coating of scraper type again, pigment is in its precoating coating: calcium carbonate: china clay=80: 20; Pigment: starch: latex=100: 3: 10; Pigment: dispersant: defoamer: anti-hydrated agent: lubricant=100: 0.05: 0.05: 0.5: 0.5, add water and be mixed with solid content at 65% coating fluid, coating weight is 8.5g/m
2/ face.Finishing coat pigment ratio in the coating is: calcium carbonate: china clay=70: 30; Pigment: carboxymethyl cellulose: latex=100: 1: 9; Pigment: dispersant: defoamer: anti-hydrated agent: lubricant=100: 0.05: 0.05: 0.5: 0.8, add water and be mixed with solid content at 65% finishing coat coating.Coating weight is 9g/m
2/ face is painted 105g/m
2Coated paper.Paper after the coating is through after drying, and press polish is handled, and controls its moisture content below 4.5%.
Above coated paper all can reach following index: glossiness 〉=65 °, roughness≤1.2 μ m, ink absorption 25-35%, temperature tolerance 〉=180 ℃.
Claims (10)
1, a kind of printing of rotary press coated paper, it is characterized in that this coated paper comprises that paper pulp, filler and the chemical addition agent made by hardwood pulp, softwood pulp are mixed and made into matrix paper, paper pulp is calculated by weight softwood pulp in this matrix paper: hardwood pulp=15～55: 85～45; Filler: paper pulp=6～12: 100, chemical addition agent: paper pulp=0.5～5: 100; The outer surface of this matrix paper scribbles coating.
2, printing of rotary press coated paper according to claim 1 is characterized in that filler is; A kind of or its mixture in precipitated calcium carbonate, powdered whiting, the talcum powder.
3, printing of rotary press coated paper according to claim 1 and 2 is characterized in that chemical addition agent is a kind of or its mixture in starch, sizing agent, CATION reservation auxiliary agent, anion reservation auxiliary agent, polyacrylamide, sodium carboxymethylcellulose, fluorescent whitening agent, the coloring agent.
4, printing of rotary press coated paper according to claim 1, it is characterized in that coating is made up of top sizing layer, precoated shet, or top sizing layer, finishing coat form, or top sizing layer, precoated shet, finishing coat form, or precoated shet, finishing coat are formed.
5, according to claim 1 or 4 described printing of rotary press coated papers, it is characterized in that the pigment ratio of the precoated shet in the coating is: calcium carbonate: china clay=100-50: 0-50; Pigment: starch: latex=100: 2-6: 11-7; Pigment: dispersant: defoamer: anti-hydrated agent: lubricant=100: 0.05-0.10: 0.05-0.10: 0.3-0.7: 0.5-1.0; Add water and be mixed with the precoated shet coating of solid content at 64-67%.
6, according to claim 1 or 4 described printing of rotary press coated papers, it is characterized in that the finishing coat pigment ratio in the coating is: calcium carbonate: china clay=80-30: 20-70; Pigment: carboxymethyl cellulose: latex=100: 0.3-0.8: 9-13; Pigment: dispersant: defoamer: anti-hydrated agent: lubricant=100: 0.05-0.10: 0.05-0.10: 0.3-0.7: 0.5-1.0 adds water and is mixed with the finishing coat coating of solid content at 63-66%.
7,, it is characterized in that the top sizing layer in the coating is made up of a kind of or its mixture in starch, surface sizing agent, the Cypres according to claim 1 or 4 described printing of rotary press coated papers.
8, a kind of printing of rotary press as claimed in claim 1 production method of coated paper, it is characterized in that the step of making is: adopt hardwood pulp, softwood pulp to make mixed pulp, add filler and chemical addition agent again and be mixed and made into matrix paper, then on matrix paper surface coating surface glue application layer, precoated shet, finishing coat successively, handle through follow-up press polish again, make the printing of rotary press coated paper.
9, the printing of rotary press according to claim 8 production method of coated paper, it is characterized in that adopting hardwood pulp, when softwood pulp is made mixed pulp, the defibrination freedom of hardwood pulp is controlled at 350-450CSF, and the defibrination freedom of softwood pulp is controlled at 380-460CSF.
10, printing of rotary press according to claim 8 is characterized in that with the production method of coated paper its top sizing layer adopts the interior coating method of machine to carry out, and its coating weight is 1-4g/m
2/ face; Its precoated shet, finishing coat adopt scraper to carry out two-sided double-deck coating, and the coating weight of precoated shet, finishing coat is respectively 8-20g/m
2/ face; When oven dry, the moisture content of each time coating back paper is controlled at below 5%.
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| CN 200310112619 CN1231638C (en) | 2003-12-15 | 2003-12-15 | Coated paper for rotary machine printing and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200310112619 CN1231638C (en) | 2003-12-15 | 2003-12-15 | Coated paper for rotary machine printing and production method thereof |
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| CN1546791A true CN1546791A (en) | 2004-11-17 |
| CN1231638C CN1231638C (en) | 2005-12-14 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JINDONG PAPER (JIANGSU) CO. Free format text: FORMER NAME OR ADDRESS: JINDONG PAPER INDUSTRY (JIANGSU) CO. LTD. |
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| CP03 | Change of name, title or address |
Address after: Zhenjiang, Jiangsu province Dagang Road, No. 8 Patentee after: Goldeast Paper (Jiangsu) Co.,Ltd. Address before: Zhenjiang, Jiangsu province Dagang Road, No. 8 Patentee before: Gold East Paper (Jiangsu) Co.,Ltd. |
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| C35 | Partial or whole invalidation of patent or utility model | ||
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Commission number: 4W100423 Conclusion of examination: Claim No. 200310112619.3 of the patent for invention No. 13 is invalid, and the patent shall be maintained on the basis of claim 1-12. Decision date of declaring invalidation: 20110308 Decision number of declaring invalidation: 16140 Denomination of invention: Coated paper for rotary machine printing and production method thereof Granted publication date: 20051214 Patentee: Goldeast Paper (Jiangsu) Co.,Ltd. |
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Granted publication date: 20051214 |