CN1208519C - Surface glued newsprinting paper and manufacturing method thereof - Google Patents
Surface glued newsprinting paper and manufacturing method thereof Download PDFInfo
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- CN1208519C CN1208519C CN 03118026 CN03118026A CN1208519C CN 1208519 C CN1208519 C CN 1208519C CN 03118026 CN03118026 CN 03118026 CN 03118026 A CN03118026 A CN 03118026A CN 1208519 C CN1208519 C CN 1208519C
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Abstract
The present invention discloses surface glue sized newspaper and a making method thereof. The method comprises: bleaching sulfate coniferous wood pulp (BKP) which is pulped, Italia poplar alkaline hydrogen peroxide hot-ground mechanical pulp (APMP) and bleaching mechanical grindstone groundwood pulp (GP) are proportionally mixed into mixed pulp, auxiliary materials are added into the mixed pulp to be prepared into paper materials, and the paper materials are made. The present invention is characterized in that the definite quantity of the surface glue sized newspaper made by engine sizing and soft roller calender finish is from 45 to 49 g/m<2>, the brightness (ISO)is from 57 to 63%, the opacity is more than 91%, the transverse tearing index is more than 5.5mN. m<2>/g, the surface strength is more than 0.5 m/s, and the breaking length in the longitudinal direction is more than 4000m. The present invention has the advantages of simple making technology, good product quality, good color printability, vivid color of pictures, clear screen printing and strong stereo perception. Especially, the smoothness and smoothness two-surface difference, the surface roughness, the surface strength and the printability index of paper are advanced at home.
Description
Technical field
The present invention relates to a kind of top sizing newsprint and manufacture method thereof.
Background technology
In recent years, along with the becoming increasingly abundant and improving constantly of printing technology development and living standards of the people, more and more higher with the requirement of paper to printing and publishing.As the newsprint of publication and printing with the important composition of paper part, each papermaking enterprise is also in the approach of seeking by fair means or foul to improve the quality, to adapt to demands of social development.In developed country and area, a large amount of spaces of a whole page of publisher publish various classified advertisements.In order to strengthen demonstration effect, will ask newsprint on whiteness, printability, suitable level will be arranged.Enterprise must improve constantly the newsprint class according to market demand, satisfies the high request that the user proposes.
Compare with our the top sizing newsprint of invention: general common newsprint adopts regenerated fiber or adopts a large amount of mechanical mill and stone ground wood pulp manufacturings, paper whiteness, surface strength, tensile strength are low, easily break end, the colored printing bad adaptability, print pictures is clear inadequately, is difficult to satisfy the requirement of high-speed colour printer; The meaning poplar alkaline hydrogen peroxide thermomechanical pulp (APMP) that top sizing newsprint adapted part our company of Yueyang Paper Product Co., Ltd's invention has independent intellectual property right adopts advanced engine sizing/coating, soft roll-in light technology to manufacture paper with pulp.The product whiteness height, tensile strength is big, the surface strength height, hair and powder dropping is few, particularly surface roughness is lower than common newsprint, and absorbency is moderate, and printability is good, the picture of printing is clear, can satisfy the print request of polychrome high speed rotary press fully, can replace imported product.Exploitation meaning poplar APMP joins the face applying glue newsprint new technology of checking meter; to utilizing the living leaf wood resource of speed to prepare high yield pulp, alleviating the nervous situation of China's timber resources, sophistication and equipment, popularization process for cleanly preparing, protection environment, the raising product specification of adjusting the product mix are significant.
Summary of the invention
For overcoming the defective of general common newsprint, the purpose of this invention is to provide a kind of top sizing newsprint and manufacture method thereof.Product has the whiteness height, and tensile strength is big, and printability is good, the surface strength height, and hair and powder dropping is few, and surface roughness is little, and absorbency is moderate, meets the characteristics of the print request of polychrome high speed rotary press fully.
For achieving the above object, technical scheme of the present invention is as follows: a kind of top sizing newsprint, it is characterized in that: (1) slurry is bleached sulphate softwood pulp (BKP), italian poplar alkaline hydrogen peroxide thermomechanical pulp (APMP), bleaches mechanical Stone Ground Wood (GP), slurry weight proportioning BKP slurry: the APMP slurry: the GP slurry is 22～30: 3045: 35～50; (2) supplementary product consumption is: (A) PAM (polyacrylamide) consumption: 0.02～0.05% (to oven dry stock); (B) cationic starch consumption: 0.8～1.2% (to cutting off) in slurry; (C) dye dosage: 70～80g/t (to oven dry stock); (D) amount of filler: 8-10% (to oven dry stock); (3) top sizing agent prescription: 90～100 parts of converted starches, 0～10 part of synthetic size; Adapted is manufactured paper with pulp after pulling an oar respectively, and the top sizing newsprint that makes quantitatively is 45～49g/m
2, whiteness (ISO) 57-63%, opacity is greater than 91%, and laterally tear index is greater than 5.5mN.m
2/ g; Surface strength is greater than 0.5m/s; Fracture length is vertically greater than 4000m; The positive and negative two sides of smoothness is on average greater than 50S, and smoothness two sides difference is less than 20%.
The manufacture method of described top sizing newsprint, comprise with bleached sulphate softwood pulp (BKP), after pulling an oar with italian poplar alkaline hydrogen peroxide thermomechanical pulp (APMP), bleach mechanical Stone Ground Wood (GP), be modulated into mixed pulp by proportioning, add auxiliary material and be mixed with paper stock, manufacture paper with pulp again, it is characterized in that: adopt engine sizing, soft roll-in polishing decorations, technical parameter is as follows: (1) slurry beating degree: bleached sulphate softwood pulp BKP:26～30 ° of SR; Italian poplar alkaline hydrogen peroxide thermomechanical pulp APMP:50～60 ° of SR; Bleach mechanical Stone Ground Wood GP:70～77 ° SR; (2) online process conditions: (A) online slurry concentration: 0.5-0.75%; (B) online slurry pH value: 7.0-7.8; (C) online slurry beating degree: 50-60 ° SR; (3) surface sizing technique condition: sizing agent solid content 6～12%; Resin added 0.8～3g/m
2Page is in degree 92～95% before advancing applying glue; Go out web dryness 68～70% after the applying glue; (4) soft calendaring process conditions: nip pressure 10～60Kg/cm; 40～80 ℃ of calendering temperatures; Page moisture content 6～8% before the entrance pressure light.
Described italian poplar comprises American-European black poplar 72
#, eastern cottonwood 63
#, eastern cottonwood 69
#Deng.
Manufacturing technique of the present invention is simple, the product adapted meaning poplar APMP pulp of my company's independent intellectual property right, and reduce the Stone Ground Wood consumption; Optimize the type and the consumption of filler; Adopt advanced engine sizing, soft roll-in light technology to manufacture paper with pulp.This good product quality, especially paper smoothness and smoothness two sides are poor, surface roughness, surface strength and printability index are better than other producer, belong to domestic initiation, and the suitable property of colored printing is good, the picture lovely luster, and wire mark is clear, and third dimension is strong.Yueyang paper industry joint-stock company is domestic first exploitation and is manufacture paper with pulp in batches on the high-speed paper machine producer of top sizing newsprint of part slurry with poplar machine slurry.The top sizing newsprint of producing fills the domestic gaps, to home news paper market important influence.
The specific embodiment
Embodiment: will beat respectively to the needlebush BKP of suitable beating degree slurry, meaning poplar APMP pulp and Stone Ground Wood by 28: 35: 37 proportioning modulation 900kg mixed pulp, add 70kg precipitated calcium carbonate filler and other suitable chemical assistant thereof and be mixed with paper stock, paper stock through net part forming, unipress, preceding drying, applying glue, soft calendaring ornamenting, batch, top sizing newsprint 1000kg that rewinding obtains the customer requirements specification.Concentration 0.7% is starched in the online of manufacturing paper with pulp; PH value 7.2,55 ° of SR of beating degree; Sizing agent solid content 8%, resin added 2g/m
2, advance web dryness 93% before the applying glue, go out web dryness 68% after the applying glue; Nip pressure 30kg/cm, page moisture content 7% before 60 ℃ of the calendering temperatures, entrance pressure light; Become the paper roll water intaking to divide 6.5%; The top sizing newsprint that makes quantitatively is 49g/m
2, moisture is 6.5%, whiteness (ISO) 62%, opacity 92%, laterally tear index 5.5mN.m
2/ g; Surface strength 0.5m/s; The vertical 4200m of fracture length; Smoothness just/anti-two sides 50S/65S, the smoothness two sides differs from 20%.
Claims (2)
1, a kind of top sizing newsprint is characterized in that: (1) slurry is bleached sulphate softwood pulp, italian poplar alkaline hydrogen peroxide thermomechanical pulp, bleaches mechanical Stone Ground Wood, and its weight proportion is 22～30: 30～45: 35～50; (2) auxiliary material to the oven dry stock consumption is: (A) PAM consumption: 0.02～0.03%; (B) cationic starch consumption: 0.5-1.0%; (C) dye dosage: 70～80g/t; (D) amount of filler: 8-10%.(3) top sizing agent prescription: 90～100 parts of converted starches, 0～10 part of synthetic size; Adapted is manufactured paper with pulp after pulling an oar respectively, and the top sizing newsprint that makes quantitatively is 45～49g/m
2, whiteness (ISO) 57-63%, opacity is greater than 91%, and laterally tear index is greater than 5.5mN.m
2/ g; Surface strength is greater than 0.5m/s; Fracture length is vertically greater than 4000m; The positive and negative two sides of smoothness is on average greater than 50S, and smoothness two sides difference is less than 20%.
2, the manufacture method of the described top sizing newsprint of claim 1, comprise with the bleached sulphate softwood pulp, after pulling an oar with italian poplar alkaline hydrogen peroxide thermomechanical pulp, bleach mechanical Stone Ground Wood, be modulated into mixed pulp by proportioning, add auxiliary material and be mixed with paper stock, manufacture paper with pulp again, it is characterized in that: adopt engine sizing, soft roll-in polishing decorations, technical parameter is as follows: (1) slurry beating degree: bleached sulphate softwood pulp BKP:26～30 ° of SR; Italian poplar alkaline hydrogen peroxide thermomechanical pulp APMP:50～60 ° of SR; Bleach mechanical Stone Ground Wood GP:70～77 ° SR; (2) online process conditions: (A) online slurry concentration: 0.5-0.75%; (B) online slurry pH value: 7.0-7.8; (C) online slurry beating degree: 50-60 ° SR; (3) surface sizing technique condition: sizing agent solid content 6～12%; Resin added 0.8～3g/m
2Advance the preceding web dryness 92～95% of applying glue; Go out web dryness 68～70% after the applying glue; (4) soft calendaring process conditions: nip pressure 10～60kg/cm; 40～80 ℃ of calendering temperatures; Page moisture content 6～8% before the entrance pressure light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03118026 CN1208519C (en) | 2003-01-15 | 2003-01-15 | Surface glued newsprinting paper and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03118026 CN1208519C (en) | 2003-01-15 | 2003-01-15 | Surface glued newsprinting paper and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1455046A CN1455046A (en) | 2003-11-12 |
| CN1208519C true CN1208519C (en) | 2005-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03118026 Expired - Fee Related CN1208519C (en) | 2003-01-15 | 2003-01-15 | Surface glued newsprinting paper and manufacturing method thereof |
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| Country | Link |
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| CN (1) | CN1208519C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387776C (en) * | 2005-09-01 | 2008-05-14 | 岳阳纸业股份有限公司 | High-quality colour printing newsprint and making technique thereof |
| CN100351465C (en) * | 2005-09-22 | 2007-11-28 | 岳阳纸业股份有限公司 | Refined light weight coated paper and its production process |
| BRPI0712857A2 (en) * | 2006-06-08 | 2012-07-31 | Voith Patent Gmbh | Method for the production of fibrous material |
| DE102006027005A1 (en) * | 2006-06-08 | 2007-12-13 | Voith Patent Gmbh | Lignocellulosic wood pulp |
| US8758557B2 (en) | 2006-06-08 | 2014-06-24 | Voith Patent Gmbh | Process for producing fibrous material from wood |
| EP2126195A1 (en) * | 2006-12-23 | 2009-12-02 | Voith Patent GmbH | Method for the production of tissue paper |
| US8075962B2 (en) * | 2007-01-31 | 2011-12-13 | Hewlett-Packard Development Company, L.P. | Newsprint media for inkjet printing |
| DE102007022749A1 (en) * | 2007-05-11 | 2008-11-13 | Voith Patent Gmbh | Lignocellulosic wood pulp |
| CN101638861B (en) * | 2009-08-16 | 2012-07-18 | 岳阳林纸股份有限公司 | Manufacturing method of industrial film coated base paper |
| CN102587193A (en) * | 2012-03-09 | 2012-07-18 | 武汉晨鸣汉阳纸业股份有限公司 | Coating newsprint and making method thereof |
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2003
- 2003-01-15 CN CN 03118026 patent/CN1208519C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1455046A (en) | 2003-11-12 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050629 Termination date: 20140115 |