CN104328708A - Digital coated paper and making technology thereof - Google Patents
Digital coated paper and making technology thereof Download PDFInfo
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- CN104328708A CN104328708A CN201410465779.4A CN201410465779A CN104328708A CN 104328708 A CN104328708 A CN 104328708A CN 201410465779 A CN201410465779 A CN 201410465779A CN 104328708 A CN104328708 A CN 104328708A
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- coated paper
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Abstract
The invention discloses a digital coated paper and a making method thereof. The formula of a coating used in the invention comprises 100 parts of a pigment (component A) and a component (B), the pigment comprises 90-100pph of light calcium carbonate and 0-10pph of silica, and the component B comprises 6-8pph of polyvinyl alcohol, 1-2pph of a waterproof agent, 0.2-0.5pph of a water retaining agent, 0.1pph of a bactericide and 0.5-1.0pph of a lubricant corresponding to 100 parts of the pigment. The digital coated paper has the protruding characteristics of high printing ink optical density, full and vivid color, clear image mesh points, and suitableness for high-speed rotary digital inkjet printing.
Description
Technical field
The present invention relates to a kind of manufacturing technique of digital coated paper, belong to pulp technology for making paper.
Background technology
Digital ink-jet printing refers to e-file, image direct imaging on printed medium, is and the brand-new mode of printing of traditional typography (hectographic printing, intaglio printing etc.) diverse one.Digital ink-jet printing has one and plays print, and without the need to plate-making, immediate delivery, instant error correction, variable printed, the advantages such as printing on demand, more in conjunction with the fast development of networking, have become the development trend of printing industry, had wide market prospects and development space.
The characteristic of digital ink-jet printing determines that the fundamental characteristics that paper performance requires is that blotting speed is fast, ink droplet indiffusion.Also should have following performance: 1. will have good record performance, absorbability is strong, and infiltration rate is fast, and have higher resolution ratio, the clear picture of printing off is attractive in appearance, uniform in color, and printing effect is desirable; 2. writing speed is fast, the ink sprayed can rapid evaporation dry, avoid ink dot to spread on the surface at stock.3. single with regard to Ink Jet Printing Paper, for preventing ink dot from spreading on paper, general employing coated paper or high light printing paper, require any surface finish and have certain degree of sizing, can absorb ink fast, can avoid again the scattering of light.4. keeping quality is good, water-fast, fast light, not fugitive color.In this case, common offset printing paper has been difficult to the requirement meeting digital ink-jet printing.Develop an urgent demand that digital coated paper has become printing industry and paper industry.
In digital coated paper coatings, the selection of pigment and adhesive is very crucial.Pigment aspect, mainly considers the ink absorption of pigment, whiteness, particle size and shape etc.Ink absorption is good, is conducive to the rapid draing of ink, and the shape of pigment avoids sheet as far as possible simultaneously, because laminated structure can make direction during ink bleed inconsistent, causes color bleeding phenomenon.The silica that specific area is large, particle diameter is little has high absorbency and image resolution ratio.Adhesive aspect, polyvinyl alcohol can improve the optical density of printing-ink and the uniformity of blotting.
Summary of the invention
The object of this invention is to provide a kind of digital coated paper and manufacturing technique thereof, can obtain digital graphics context present effective, in bright gay color, that machine is crossed in continuous high speed ink jet printing is good, is applicable to the manufacture method of the digital coated paper of high-speed wheel revolution code ink jet printing.
The technical solution used in the present invention is: a kind of digital coated paper, it is characterized in that: (1) slurry used is bleached sulphate softwood pulp NBKP, italian poplar P-RC APMP slurry, BRATSK LBKP, its weight ratio is that bleached sulphate chemistry softwood pulp NBKP, italian poplar P-RC APMP starch, BRATSK LBKP, is 25 ~ 35: 35 ~ 50: 25 ~ 35;
(2) supplementary product consumption is all to oven dry stock weight ratio: (A) PAM consumption: 0.03 ~ 0.05%; (B) bentonite consumption: 0.15 ~ 0.2%; (C) cationic starch consumption: 0.8 ~ 1.2%; (D) amount of filler: precipitated calcium carbonate 14 ~ 20%;
(3) formulation for coating material: (A) pigment total amount is 100 parts, wherein: precipitated calcium carbonate 90 ~ 100pph, silica 0 ~ 10pph; (B) below with the number corresponding to pigment total amount 100 parts: polyvinyl alcohol 6 ~ 8pph, water repellent agent 1 ~ 2pph, water retention agent 0.2 ~ 0.5pph, bactericide 0.1pph, lubricant 0.5 ~ 1.0pph.
The manufacturing technique of described digital coated paper, comprise with bleached sulphate softwood pulp NBKP, italian poplar P-RC APMP slurry, BRATSK LBKP, after pulling an oar respectively, adapted is manufactured paper with pulp, and it is characterized in that:
(1) stock freeness CSF and whiteness: bleached sulphate chemistry softwood pulp NBKP:400 ~ 450ml, 78 ~ 81%ISO; Italian poplar P-RC APMP starches: 140 ~ 180ml, 77 ~ 80%ISO; BRATSK LBKP:350 ~ 400ml, 82 ~ 86%ISO;
(2) to surf the Net process conditions: (A) surfs the Net concentration: 0.9 ~ 1.0%; (B) online pH value: 7.5 ~ 8.5; (C) online slurry freedom CSF:70 ~ 146ml;
(3) coating process condition: adopt film transfer coated mode to be coated with, viscosity: 500 ~ 1200mPa.s, pH:8.0 ~ 8.5; Solid content: 55 ~ 60%; Coating weight 14 ~ 18g/m
2; Enter web dryness 90 ~ 95% before applying glue; Go out applying glue web dryness 68 ~ 70%;
(4) soft calendaring process conditions: pressure 100 ~ 150kN/m; Temperature 160 DEG C ~ 180 DEG C; Page moisture 6 ~ 8% before entrance pressure light;
(5) obtained digital coated paper: be quantitatively 70 ~ 90g/m
2, moisture is 5.0 ~ 7.0%, and whiteness ISO is greater than 85%, and ink density is greater than 1.0, smoothness 150 ~ 250s, glossiness 10 ~ 30%%, water imbibition Cobb value 45-55g/m
2, ink absorption 35 ~ 45%.
Manufacturing technique of the present invention is simple, italian poplar P-RC APMP of my company's independent intellectual property right of product adapted starches, the papermaking process that the coating of employing machine inner membrance, soft calender etc. are advanced, the feature that product is given prominence to is that product printing-ink optical density is high, color is full bright-coloured, dot of image is clear, is applicable to the ink jet printing of high-speed wheel revolution code.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further described:
Embodiment 1:
Bleached sulphate chemistry softwood pulp NBKP, italian poplar P-RC APMP slurry, BRATSK LBKP to suitable beating degree will be beaten respectively, its weight ratio is that bleached sulphate chemistry softwood pulp NBKP, italian poplar P-RC APMP starch, BRATSK LBKP, by 25: 45: 30; Proportioning modulation 630Kg mixing slurry, add filler precipitated calcium carbonate 140kg, PAM0.3kg, bentonite 1.5kg, cationic starch 8kg, be mixed with paper stock, paper stock is through net part forming, compound shoe press, front drying; Through film coating (coating content 180kg), infra-red drying, after drying, soft calendaring ornamenting, batch, rewinding obtains the digital coated paper 1000kg that user requires specification.Manufacture paper with pulp online concentration 0.96%; Paper roll water intaking is become to divide 6.5%; Obtained digital coated paper is quantitatively 80g/m2, and moisture is 6.5%, whiteness ISO 86%, ink density 1.05, smoothness 210s, glossiness 15%, water imbibition Cobb value 50g/m
2, ink absorption 40%.
Embodiment 2:
To beat respectively to bleached sulphate chemistry softwood pulp NBKP, the italian poplar P-RC APMP of suitable beating degree, BRATSK by 35: 40: 25; Proportioning modulation 640Kg mixing slurry, add filler precipitated calcium carbonate 130kg, PAM0.35kg, bentonite 1.5kg, cationic starch 8.5kg, be mixed with paper stock, paper stock is through net part forming, compound shoe press, front drying; Through film coating (coating content 150kg), infra-red drying, after drying, soft calendaring ornamenting, batch, rewinding obtains the digital coated paper paper 1000kg that user requires specification.Manufacture paper with pulp online concentration 0.95%; Paper roll water intaking is become to divide 6.5%; Obtained digital coated paper is quantitatively 70g/m2, and moisture is 6.5%, whiteness ISO 86%, ink density 1.05, smoothness 200s, glossiness 13%, water imbibition Cobb value 52g/m
2, ink absorption 40%.
Claims (2)
1. a digital coated paper, is characterized in that:
(1) slurry used is bleached sulphate softwood pulp NBKP, italian poplar P-RC APMP slurry, BRATSK LBKP, and its weight ratio is that bleached sulphate chemistry softwood pulp NBKP, italian poplar P-RC APMP starch, BRATSK LBKP is 25 ~ 35: 35 ~ 50: 25 ~ 35;
(2) supplementary product consumption is all to oven dry stock weight ratio: (A) PAM consumption: 0.03 ~ 0.05%; (B) bentonite consumption: 0.15 ~ 0.2%; (C) cationic starch consumption: 0.8 ~ 1.2%; (D) amount of filler: precipitated calcium carbonate 14 ~ 20%;
(3) formulation for coating material: (A) pigment total amount is 100 parts, wherein: precipitated calcium carbonate 90 ~ 100pph, silica 0 ~ 10pph; (B) below with the number corresponding to pigment total amount 100 parts: polyvinyl alcohol 6 ~ 8pph, water repellent agent 1 ~ 2pph, water retention agent 0.2 ~ 0.5pph, bactericide 0.1pph, lubricant 0.5 ~ 1.0pph.
2. a manufacturing technique for digital coated paper according to claim 1, comprise with bleached sulphate softwood pulp NBKP, italian poplar P-RC APMP slurry, BRATSK LBKP, after pulling an oar respectively, adapted is manufactured paper with pulp, and it is characterized in that:
(1) stock freeness CSF and whiteness: bleached sulphate chemistry softwood pulp NBKP:400 ~ 450ml, 78 ~ 81%ISO; Italian poplar P-RC APMP starches: 140 ~ 180ml, 77 ~ 80%ISO; BRATSK LBKP:350 ~ 400ml, 82 ~ 86%ISO;
(2) to surf the Net process conditions: (A) surfs the Net concentration: 0.9 ~ 1.0%; (B) online pH value: 7.5 ~ 8.5; (C) online slurry freedom CSF:70 ~ 146ml;
(3) coating process condition: adopt film transfer coated mode to be coated with, viscosity: 500 ~ 1200mPa.s, pH:8.0 ~ 8.5; Solid content: 55 ~ 60%; Coating weight 14 ~ 18g/m
2; Enter web dryness 90 ~ 95% before applying glue; Go out applying glue web dryness 68 ~ 70%;
(4) soft calendaring process conditions: pressure 100 ~ 150kN/m; Temperature 160 DEG C ~ 180 DEG C; Page moisture 6 ~ 8% before entrance pressure light;
(5) obtained digital coated paper: be quantitatively 70 ~ 90g/m
2, moisture is 5.0 ~ 7.0%, and whiteness ISO is greater than 85%, and ink density is greater than 1.0, smoothness 150 ~ 250s, glossiness 10 ~ 30%%, water imbibition Cobb value 45-55g/m
2, ink absorption 35 ~ 45%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410465779.4A CN104328708A (en) | 2014-09-15 | 2014-09-15 | Digital coated paper and making technology thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410465779.4A CN104328708A (en) | 2014-09-15 | 2014-09-15 | Digital coated paper and making technology thereof |
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| CN104328708A true CN104328708A (en) | 2015-02-04 |
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| CN201410465779.4A Pending CN104328708A (en) | 2014-09-15 | 2014-09-15 | Digital coated paper and making technology thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155332A (en) * | 2015-09-15 | 2015-12-16 | 岳阳林纸股份有限公司 | Production method of top-grade book white offset printing paper |
| CN105586802A (en) * | 2016-02-19 | 2016-05-18 | 岳阳林纸股份有限公司 | Manufacturing method of Pinfeng base paper |
| CN107287977A (en) * | 2017-07-20 | 2017-10-24 | 岳阳林纸股份有限公司 | The manufacturing process of the digital paper of light coating is rotated at a high speed |
| CN110318281A (en) * | 2019-04-26 | 2019-10-11 | 华邦古楼新材料有限公司 | A kind of high-performance color spray body paper press polish processing unit and its body paper manufacturing process |
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| CN1458337A (en) * | 2003-06-02 | 2003-11-26 | 岳阳纸业股份有限公司 | Color ink-jet print paper and its producing method |
| CN101324038A (en) * | 2008-07-10 | 2008-12-17 | 岳阳纸业股份有限公司 | Papermaking process of low basis weight enamelled paper |
| WO2009028733A1 (en) * | 2007-08-30 | 2009-03-05 | Ricoh Company, Ltd. | Inkjet medium, ink and inkjet recording method |
| CN104018389A (en) * | 2014-06-24 | 2014-09-03 | 岳阳林纸股份有限公司 | Manufacturing process of highlight light-weight copperplate paper |
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2014
- 2014-09-15 CN CN201410465779.4A patent/CN104328708A/en active Pending
Patent Citations (4)
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|---|---|---|---|---|
| CN1458337A (en) * | 2003-06-02 | 2003-11-26 | 岳阳纸业股份有限公司 | Color ink-jet print paper and its producing method |
| WO2009028733A1 (en) * | 2007-08-30 | 2009-03-05 | Ricoh Company, Ltd. | Inkjet medium, ink and inkjet recording method |
| CN101324038A (en) * | 2008-07-10 | 2008-12-17 | 岳阳纸业股份有限公司 | Papermaking process of low basis weight enamelled paper |
| CN104018389A (en) * | 2014-06-24 | 2014-09-03 | 岳阳林纸股份有限公司 | Manufacturing process of highlight light-weight copperplate paper |
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| 闫志强 等: "初识涂布彩喷纸", 《中国印刷物资商情》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155332A (en) * | 2015-09-15 | 2015-12-16 | 岳阳林纸股份有限公司 | Production method of top-grade book white offset printing paper |
| CN105155332B (en) * | 2015-09-15 | 2017-06-20 | 岳阳林纸股份有限公司 | A kind of production method of high-grade raw white offset printing paper |
| CN105586802A (en) * | 2016-02-19 | 2016-05-18 | 岳阳林纸股份有限公司 | Manufacturing method of Pinfeng base paper |
| CN105586802B (en) * | 2016-02-19 | 2017-06-20 | 岳阳林纸股份有限公司 | A kind of manufacture method of the rich body paper of product |
| CN107287977A (en) * | 2017-07-20 | 2017-10-24 | 岳阳林纸股份有限公司 | The manufacturing process of the digital paper of light coating is rotated at a high speed |
| CN107287977B (en) * | 2017-07-20 | 2020-03-17 | 岳阳林纸股份有限公司 | Manufacturing process of high-speed rotary light-weight coating digital paper |
| CN110318281A (en) * | 2019-04-26 | 2019-10-11 | 华邦古楼新材料有限公司 | A kind of high-performance color spray body paper press polish processing unit and its body paper manufacturing process |
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