CN100351465C - Refined light weight coated paper and its production process - Google Patents
Refined light weight coated paper and its production process Download PDFInfo
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- CN100351465C CN100351465C CNB2005100321889A CN200510032188A CN100351465C CN 100351465 C CN100351465 C CN 100351465C CN B2005100321889 A CNB2005100321889 A CN B2005100321889A CN 200510032188 A CN200510032188 A CN 200510032188A CN 100351465 C CN100351465 C CN 100351465C
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Abstract
The present invention discloses refined coated paper and a production technique thereof. The present invention is mainly characterized in that bleached sulfate chemical wood pulp, Italian poplar preprocessing alkali peroxide bleaching thermomechanical pulp (P-RC APMP) and waste paper de-inked pulp are matched with manufacture; the present most advanced host devices, such as a pulp preparing and floating system, a dilution water flow box, a vertical web clamping formation device, a straight boot type pressing and membrane type surface sizing /coating machine, an infrared drier, an eight roller soft calender, a belt type rewinder, etc. with optimized concepts, are used for the manufacture. The manufactured refined light coated paper has the fixed quantity of 48 to 80 g/m<2>, the moisture of 5.0 to 7.0%, the whiteness (ISO) of 75 to 90%, the opacity larger than 82% and the fracture length (longitudinal direction) more than 4200m, the transversal folding strength more than 12 times, the printing surface roughness (PPS) of 1.3 to 1.8 mum, the transversal stretching rate lower than 3.5%, the printing surface strength more than or equal to 2.0 m/s, the ash content of 25 to 35%, the brightness more than 45% and the printing brightness more than 65%, both front surface smoothness and back surface smoothness are more than 500S, and the difference of the front surface smoothness and the back surface smoothness is lower than 10%.
Description
One, technical field:
The present invention relates to a kind of refined light weight coated paper and manufacturing technique thereof.
Two, background technology:
Light weight coated paper be the eighties by the new product that states such as Japan, America and Europe take the lead in developing, be meant in every coating weight of body paper to be lower than 10g/m
2A kind of printing paper.By the surface coated of page is handled, mechanical ornamenting improves the surface property of page, is widely used in the colored printing of high-grade magazine, advertisement, illustrated supplement, textbook, develops very rapidly, is one of the fastest paper kind of growth rate of market.
Domestic and international light weight coated paper all adopts full chemical pulp or adapted part chemi-mechanical pulp to join and copies, employed raw material great majority are chemical pulp, with external product a certain distance is being arranged aspect the technical indicators such as paper bulk, air permeability, especially coating, press polish equipment are not very high in the machine, and product quality can't be compared with external like product.Yueyang Paper Product Co., Ltd mainly adopts the bleached sulphate chemical wood pulp, italian poplar preliminary treatment alkaline hydrogen peroxide bleaching thermomechanical pulp, pulp from decoloured waste paper is joined and is copied, adopt the pulp preparation and the approach system of current state-of-the-art optimization notion, the dilution water flow case, vertical Aladdin former, the through type shoe press, membrane type top sizing/coating machine, infrared dryer, eight roller soft press-polishing machines, main equipments such as belt rewinding machine are manufactured paper with pulp, product has deflection, bulk, the opacity height, roughness is low, paper glossiness and print gloss height, outstanding features such as printing effect is good high, and form and aspect are soft.It is the high-grade light weight coated paper of domestic first Zhang Peiyong bleached sulphate chemical wood pulp, pulp from decoloured waste paper, the production of preliminary treatment italian poplar alkaline hydrogen peroxide bleaching thermomechanical pulp, it also is the light weight coated paper of domestic first high gloss, low two sides difference, product is filled up domestic and international blank, belongs to Green Product.Launch products receives praises from customers.Exploitation pulp from decoloured waste paper, preliminary treatment italian poplar alkaline hydrogen peroxide bleaching thermomechanical pulp are joined and are copied the refined light weight coated paper new technology, to rationally utilizing China's regenerated resources, adjust the product mix and improve product specification and be significant.
Three, summary of the invention:
The objective of the invention is to overcome the defective that does not generally contain the light weight coated paper of chemi-mechanical pulp, a kind of refined light weight coated paper and manufacturing technique thereof are provided.Paper has that surface strength is good, bulk, air permeability are better than full chemical pulp and join the LWC of copying, the colored printing that paper formation is smooth, be applicable to high-grade magazine, publicity materials etc., and printing color is full bright-coloured, and dot of image is characteristics clearly.For achieving the above object, technical scheme of the present invention is as follows:
A kind of refined light weight coated paper is characterized in that:
(1) slurry is bleached sulphate chemical wood pulp, pulp from decoloured waste paper, preliminary treatment italian poplar alkaline hydrogen peroxide bleaching thermomechanical pulp, and the slurry weight proportioning is: bleached sulphate chemical wood pulp 25～35: DIP slurry 20～30: P-RC APMP slurry 40～45;
(2) supplementary product consumption is: (A) PAM consumption: 0.025～0.06% (to oven dry stock); (B) bentonite consumption: 0.1～0.4% (to oven dry stock) be the cationic starch consumption (C): 0.5～1.0% (to oven dry stock) be amount of filler (D): precipitated calcium carbonate 8～12% (to oven dry stock);
(3) formulation for coating material: (A) the pigment total amount is 100 parts, wherein: china clay 50～70pph, powdered whiting (GCC) 20～50pph, organic pigment 5～10pph; (B) modified starch 5～8pph, carboxylic styrene butadiene latex 11～14pph, water repellent agent 0.4～0.8pph, water retention agent 0.4～0.8pph, bactericide 0.1pph, lubricant 0.4～0.8pph.Below all to pigment total amount umber, pph is a contained umber in per 100 parts.
The pulping method of refined light weight coated paper of the present invention comprises and uses the bleached sulphate chemical wood pulp, preliminary treatment italian poplar alkaline hydrogen peroxide thermomechanical pulp, pulp from decoloured waste paper, and adapted is manufactured paper with pulp after pulling an oar respectively, it is characterized in that:
(1) slurry freedom:
Bleached sulphate chemical pulp: 330～440CSF;
Pulp from decoloured waste paper: 80～150CSF;
Preliminary treatment italian poplar alkaline hydrogen peroxide bleaching thermomechanical pulp: 80～140CSF;
(2) online process conditions:
(A) online concentration: 0.9～1.0%; (B) online pH value: 7.0～7.8; (C) online slurry freedom: 70～140CSF;
(3) coating process condition: adopt film transfer coated mode to be coated with viscosity: 800～2000mpa.s, PH:8.5～9.0; Solid content: 60～65%; Coating weight 8～22g/m
2Advance the preceding web dryness 90～95% of applying glue; Go out web dryness 68～70% after the applying glue;
(4) soft calendaring process conditions: 8 rollers, 7 nip pressure patterns, pressure 150～450kN/m; 120 ℃～250 ℃ of 3 hot-rolling calendering temperatures; Page moisture content 6～8% before the entrance pressure light.
The characteristic of the refined light weight coated paper that the present invention makes:
Refined light weight coated paper quantitatively is 48～80g/m
2, moisture is 5.0～7.0%, and whiteness 75～90%, opacity are greater than 82%, and vertically fracture length is greater than 4200M; Laterally folding strength is greater than 12 times, print surface roughness 1.3～1.8 μ m, and the positive and negative two sides of smoothness is on average greater than 500S, and smoothness two sides difference is less than 10%, and the lateral extensometer shrinkage is less than 3.5%; Print surface intensity is not less than 2.0m/s; Ash content 25～35%; Glossiness is greater than 45%, and print gloss is greater than 65%.
Manufacturing technique of the present invention is simple, the product adapted meaning poplar APMP pulp and the pulp from decoloured waste paper of my company's independent intellectual property right, adopt advanced persons' such as AKD neutral sizing, the coating of machine inner membrance, soft roll-in light papermaking process.This product has that surface strength is good, bulk, air permeability are better than full chemical pulp and join the LWC of copying, the colored printing that paper formation is smooth, be applicable to high-grade magazine, publicity materials etc., and printing color is full bright-coloured, and dot of image is characteristics clearly.Yueyang paper industry joint-stock company is domestic first exploitation adapted bleached sulphate chemical wood pulp, pulp from decoloured waste paper preliminary treatment italian poplar alkaline hydrogen peroxide bleaching thermomechanical pulp, the producer of the refined light weight coated paper of production.The refined light weight coated paper of producing is filled up domestic and international blank, to domestic light weight coated paper market important influence.
Four, the specific embodiment:
With bleached sulphate chemical wood pulp, pulp from decoloured waste paper, the preliminary treatment italian poplar alkaline hydrogen peroxide bleaching thermomechanical pulp of beating respectively to suitable beating degree, by 28: 35: 37 proportioning modulation 600Kg mixed pulp, add filler precipitated calcium carbonate 67kg, PAM0.25kg, bentonite 3kg, cationic starch 8kg, be mixed with paper stock, paper stock is through net part forming, compound shoe press, preceding drying; Through film coating (coating content 333kg), infra-red drying, after drying, soft calendaring ornamenting, batch, refined light weight coated paper 1000kg that rewinding obtains the customer requirements specification.Manufacture paper with pulp the online concentration 0.95%; Become the paper roll water intaking to divide 6.5%; The refined light weight coated paper that makes quantitatively is 65g/m, and moisture is 6.5%, whiteness (ISO) 85%, and opacity 85%, the surface absorbs weight 30g/m; Vertical fracture length 4200M; Laterally folding strength is 20 times, smoothness just/anti-500S/550S, the smoothness two sides differs from 5%, lateral extensometer shrinkage 3.0%; Print surface intensity 2.0m/s; Ash content 30%; Glossiness 45%, print gloss 65%.
Claims (2)
1, a kind of refined light weight coated paper is characterized in that:
(1) slurry is bleached sulphate chemical wood pulp, pulp from decoloured waste paper, preliminary treatment italian poplar alkaline hydrogen peroxide bleaching thermomechanical pulp, and the slurry weight proportioning is: bleached sulphate chemical wood pulp 25～35: pulp from decoloured waste paper 20～30: preliminary treatment italian poplar alkaline hydrogen peroxide bleaching thermomechanical pulp 40～45;
(2) supplementary product consumption is: (A) PAM consumption: 0.025～0.06% (to oven dry stock); (B) bentonite consumption: 0.1～0.4% (to oven dry stock) be the cationic starch consumption (C): 0.5～1.0% (to oven dry stock); (D) amount of filler: precipitated calcium carbonate 8～12% (to oven dry stock);
(3) formulation for coating material: (A) the pigment total amount is 100 parts, wherein: china clay 50～70pph, powdered whiting 20～50pph, organic pigment 5～10pph; (B) modified starch 5～8pph, carboxylic styrene butadiene latex 11～14pph, water repellent agent 0.4～0.8pph, water retention agent 0.4～0.8pph, bactericide 0.1pph, lubricant 0.4～0.8pph.
2, the pulping method of refined light weight coated paper according to claim 1 comprises that with bleached sulphate chemical wood pulp, preliminary treatment italian poplar alkaline hydrogen peroxide thermomechanical pulp, pulp from decoloured waste paper, adapted is manufactured paper with pulp after pulling an oar respectively, it is characterized in that:
(1) slurry freedom:
Bleached sulphate chemical pulp: 330～440CSF;
Pulp from decoloured waste paper: 80～150CSF;
Preliminary treatment italian poplar alkaline hydrogen peroxide bleaching thermomechanical pulp: 80～140CSF;
(2) online process conditions:
(A) online concentration: 0.9～1.0%; (B) online pH value: 7.0～7.8; (C) online slurry freedom: 70～140CSF;
(3) coating process condition: adopt film transfer coated mode to be coated with viscosity: 800～2000mpa.s, PH:8.5～9.0; Solid content: 60～65%; Coating weight 8～22g/m
2Advance the preceding web dryness 90～95% of applying glue; Go out web dryness 68～70% after the applying glue;
(4) soft calendaring process conditions: 8 rollers, 7 nip pressure patterns, pressure 150～450kN/m; 120 ℃～250 ℃ of 3 hot-rolling calendering temperatures; Page moisture content 6～8% before the entrance pressure light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100321889A CN100351465C (en) | 2005-09-22 | 2005-09-22 | Refined light weight coated paper and its production process |
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| CNB2005100321889A CN100351465C (en) | 2005-09-22 | 2005-09-22 | Refined light weight coated paper and its production process |
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| CN1769587A CN1769587A (en) | 2006-05-10 |
| CN100351465C true CN100351465C (en) | 2007-11-28 |
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| CNB2005100321889A Expired - Fee Related CN100351465C (en) | 2005-09-22 | 2005-09-22 | Refined light weight coated paper and its production process |
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Families Citing this family (15)
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|---|---|---|---|---|
| FI124981B (en) * | 2009-09-09 | 2015-04-15 | Upm Kymmene Corp | Paper product and process for making it |
| CN102268836B (en) * | 2011-07-26 | 2012-11-07 | 岳阳林纸股份有限公司 | Method for making slight-coating light paper |
| CN102277776B (en) * | 2011-08-05 | 2012-09-05 | 长沙理工大学 | Method for making slightly-coated elegant pure paper |
| CN102409576B (en) * | 2011-11-22 | 2013-08-21 | 上海东升新材料有限公司 | Environment-friendly papermaking coating using biological latex |
| US9033448B2 (en) * | 2012-02-13 | 2015-05-19 | Mitsubishi Paper Mills Limited | Lightweight coated paper and print production method using the same |
| 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 |
| CN102808350B (en) * | 2012-07-02 | 2014-12-24 | 金东纸业（江苏）股份有限公司 | Coated paper |
| CN102817267B (en) * | 2012-07-24 | 2014-12-17 | 天津科技大学 | Method for enhancing using effect of magnesium oxide in P-RC APMP (Preconditioning-Refiner Chemical Treatment Alkaline Peroxide Mechanical Pulp) production by grinding pretreatment |
| CN102926282B (en) * | 2012-10-23 | 2015-08-05 | 中冶纸业银河有限公司 | A kind of light paper surface sizing method |
| CN103993501B (en) * | 2014-04-16 | 2016-04-20 | 中国制浆造纸研究院 | A kind of featherweight coated paper coating containing bio-based adhesive |
| CN104099800A (en) * | 2014-06-20 | 2014-10-15 | 福建省晋江优兰发纸业有限公司 | Super soft calender paper and preparation method thereof |
| 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 |
| CN104018396A (en) * | 2014-06-24 | 2014-09-03 | 岳阳林纸股份有限公司 | Vacuum aluminum-plating paper and manufacturing method thereof |
| CN105442383A (en) * | 2015-11-06 | 2016-03-30 | 金东纸业（江苏）股份有限公司 | Method for improving coating operation efficiency and coating paper |
| 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 |
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| CN1455047A (en) * | 2003-01-15 | 2003-11-12 | 岳阳纸业股份有限公司 | Light coated printing paper and manufacturing method thereof |
| CN1455046A (en) * | 2003-01-15 | 2003-11-12 | 岳阳纸业股份有限公司 | Surface glued newsprinting paper and manufacturing method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1455047A (en) * | 2003-01-15 | 2003-11-12 | 岳阳纸业股份有限公司 | Light coated printing paper and manufacturing method thereof |
| CN1455046A (en) * | 2003-01-15 | 2003-11-12 | 岳阳纸业股份有限公司 | Surface glued newsprinting paper and manufacturing method thereof |
Non-Patent Citations (1)
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| 轻量涂布纸的生产经验 刘金刚，彭建军，王比松，曹振雷.中国造纸，第4卷 2002 * |
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Owner name: YUEYANG LINZHI CO., LTD. Free format text: FORMER NAME: YUEYANG PAPER-MAKING INDUSTRY CO., LTD. |
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Address after: 414002 No. 1 Guangming Road, Yueyang, Hunan, Chenglingji Patentee after: Yueyang Forest & Paper Co., Ltd. Address before: 414012 Yueyang, Hunan, Chenglingji Patentee before: Yueyang Paper-making Industry Co., Ltd. |
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