CN101392473B - High bulk light paper and paper making technology thereof - Google Patents
High bulk light paper and paper making technology thereof Download PDFInfo
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- CN101392473B CN101392473B CN2008101433777A CN200810143377A CN101392473B CN 101392473 B CN101392473 B CN 101392473B CN 2008101433777 A CN2008101433777 A CN 2008101433777A CN 200810143377 A CN200810143377 A CN 200810143377A CN 101392473 B CN101392473 B CN 101392473B
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Abstract
The invention relates to a high-bulk light paper and a production technology thereof. The technology is characterized in that: the weight proportion of the Italian poplar APMP to chemical softwood pulp to cottonwood mechanical pulp of the pulp is 60-75:5-10:20-30; the usage of accessory materials is: 0.07-0.12% of AKD (percentage of the absolute dry pulp), the usage of filling is: 18-22%, the usage of cationic starch is: 1.2-1.6%, and the usage of retention aid PAM is: 0.4-0.6Kg for per ton of paper. The product is characterized by good stiffness, large bulk, high opacity, good printing effect, soft hue of color and no reflection effect and the like.
Description
Technical field:
The present invention relates to a kind of high bulk light paper and papermaking process thereof.
Background technology:
High bulk light paper belongs to extraordinary book and periodical printing paper, has that color and luster is soft naturally, the papery bulk generally is not less than 2.0cm
3Characteristics such as/g.High bulky light paper is that high mixture ratio machine slurry, poplar mechanical pulp are joined and copied, and the slurrying pollutional load is little, mainly is made up of fiber, CaCO3 and water, whitewater closure circulation, the no three wastes, product 100% no chlorine does not contain brightening agent, and long-time reading can not cause visual fatigue and injury.Secondly, sense organ is more comfortable, belongs to uncoated paper, has all natural characteristics of paper, and its paper products ultralight is super thick, has demonstrated fully economical and practical characteristics.Its that cream-coloured dim gloss makes image more clear, opacity height, the easier reading of books, and third dimension is strong, can reduce the fatigue of eyes.Moreover, not only economy but also material benefit, light paper bulk general on the market is mostly at 1.6-1.9cm
3Between/the g, generally adopting broad-leaved lignify machine slurry to join with needle lignify machine slurry or a spot of chemical pulp copies, my company's high bulk light paper mainly adopts high yield machine slurry, poplar machine slurry, a spot of chemical pulp to join and copies, under the situation of high machine slurry proportioning, research retention system and plasm-glue-blending technology, improve the retention of wet end fiber and filler, the ornamenting effect of research wet end, the printability of raising paper.High bulk light paper bulk generally is controlled at 2.0-2.2cm
3Between/the g, satisfy general print request.This product is the new product that my company adapts to the market development.Great innovation is arranged on composition of raw materials and production technology.
In recent years, employing light paper printings mostly such as more domestic top-quality books, situation of selling well books such as literature is classical, world's masterpiece, social sciences elaboration, famous person's biography, books are in great demand, turnover is fast, and are economical, economical.High bulk light paper is firmly got market approval as medium-to-high grade books with the paper upgraded product with the high characteristics of its bulk.Therefore, high bulk light paper has bright development prospect as medium-to-high grade books with paper.
The production cost adapted of high bulk light paper the low poplar machine of price slurry, the poplar groundwood pulp, the chemical pulp proportioning is low, more than the ash content height to 15%, top sizing not, the rate of gross profit of product is up to 25%-30%.Since its bulk height, 60g/m
2High bulk light paper thickness reaches 100g/m
2The thickness of wood-free paper can replace 80-100g/m in actual use
2Wood-free paper, and printing effect can reach requirement.Because the high and free of contamination high yield machine slurry of its content of ashes is saved fibre resources more than 25% than wood-free paper, has reduced the consumption of paper production to domestic forest tree resource, meets the requirement of building a resource-conserving society fully.
High bulk light paper has the unexistent advantage of other domestic common light duty paper, and price is more lower slightly than common light duty paper, the big 15-30% of bulk.The high bulky light paper of same thickness is compared with common light duty paper, goes out a rate height, has reduced cost, and can reach same printing effect substantially; The paper transversely deforming is little, is fit to polychrome printing, and oil absorbency is good, and the printing third dimension is abundant, and printed matter is high-grade elegant; Adopt neutral sizing technology, but print the books long preservation; 100% wood pulp production does not add brightening agent, belongs to Green Product.
Domestic common light duty paper all adopts full chemi-mechanical pulp or adapted part chemical pulp to join and copies.My company adopt Italian poplar APMP pulp with independent intellectual property right and poplar mechanical pulp (pulping process for grinding wood pulp of cotton wood by mechanical abrader) join that the light-duty printing paper of copying has that the papery bulk is big, opacity is high, the surface is fine and smooth and matt, color is soft, simple natural characteristics.
Summary of the invention:
The purpose of this invention is to provide a kind of high bulk light paper and papermaking process thereof, the light paper of producing has that deflection is good, bulk is big, opacity is high, the surface is fine and smooth and matt, soft, the simple nature of color and papermaking process are simple, the lower-cost characteristics of manufacturing paper with pulp.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of high bulk light paper is characterized in that:
(1) slurry is italian poplar alkaline hydrogen peroxide thermomechanical pulp APMP slurry, chemical softwood pulp and poplar mechanical pulp; The slurry weight proportioning is italian poplar APMP: chemical softwood pulp: the poplar mechanical pulp is 60-75:5-10:20-30;
(2) supplementary product consumption is: (A) AKD consumption 0.07-0.12%9 is to oven dry stock; (B) amount of filler 18-22%; (C) cationic starch consumption 1.2-1.6%, retention agent PAM consumption 0.4-0.6Kg/T paper.
The papermaking process of high bulk light paper according to claim 1 comprises and uses Italian poplar APMP pulp, and chemical softwood pulp adapted after pulling an oar is respectively manufactured paper with pulp, and it is characterized in that:
(1) slurry weight proportioning italian poplar APMP: chemical softwood pulp: the poplar mechanical pulp is 60-75:5-10:20-30;
(2) kowtowed the slurry beating degree:
48-52 ° of SR of Italy's poplar APMP pulp;
38-42 ° of SR of chemistry softwood pulp;
55--60 ° of SR of poplar mechanical pulp;
(3) amount of filler: amount of filler 18-22%;
(4) AKD consumption: 0.7-1.2% is to oven dry stock;
(5) online slurry pH:7.5-8.0;
(6) do not use press polish, top sizing not;
The characteristic of the high bulk light paper that (7) makes:
The high bulk light paper that makes quantitatively is 58.0-62.0g/m
2, moisture is 7.5-9.0%, whiteness ISO73-76%, and opacity is greater than 82%, and bulk is not less than 2.0cm
3/ g, fracture length roll web are vertically greater than 3600m, and the lateral extensometer shrinkage is less than 3.0%, and print surface intensity on average is not less than 1.0m/S, and paper surface pH value is greater than 7.0.
Papermaking process of the present invention is simple, and the cost of manufacturing paper with pulp is lower, this product adapted meaning poplar APMP, the poplar mechanical pulp of my company's independent intellectual property right; Adopt advanced production technology such as neutral sizing, double base retention aid and filtering aid in the slurry.Its product has that deflection is good, bulk is big, opacity is high, and printing effect is good, and form and aspect are soft, the no-reflection effect, and printed matter has outstanding features such as protective effect to eyesight.Compare high bulk light paper bulk with common light duty paper big, goes out a rate height, reduced cost.When high bulk light paper in enormous quantities is produced, manufacture paper with pulp smoothly, on common long mesh paper making machine, manufacture paper with pulp into paper paper rate and reached more than 98%, and starch consumption, the steam consumption all than the low 10-20% of common light duty paper; Have good, the on the low side advantage of printing effect, market potential is wide.
The specific embodiment:
Embodiment 1:
With beating respectively to beating degree is that the chemical softwood pulp of the poplar mechanical pulp of the Italian poplar APMP pulp of 50 ° of SR, 58 ° of SR, 38 ° of SR is by 70:25:5 proportioning modulation 890kg mixed pulp, add 180kg precipitated calcium carbonate filler and other suitable chemical assistant and be mixed with paper stock, paper stock dewaters through common fourdrinier wire, the dandyprat ornamenting, press with large-roll-diameter squeezing ornamenting, drying, batch, rewinding, without top sizing, press polish, get high bulk light paper 1000kg.The online concentration of manufacturing paper with pulp 0.56-0.61%, the slurry network speed is than about 0.98; Become the paper roll water intaking to divide and be controlled at 7.5-9%.The high bulk light paper that makes quantitatively is 60g/m
2, moisture is 7.9%, whiteness ISO75%, opacity 92%, bulk 2.05m
3/ kg, the vertical 4200m of fracture length roll web, lateral extensometer shrinkage 2.8%, the average 1.2m/S of print surface intensity, ash content 14.1%, surperficial pH value 7.0.
Embodiment 2:
With beating respectively to beating degree is that the chemical softwood pulp of the poplar mechanical pulp of the Italian poplar APMP pulp of 48 ° of SR, 60 ° of SR, 40 ° of SR is by 62:30:8 proportioning modulation 890kg mixed pulp, add 190kg precipitated calcium carbonate filler and other suitable chemical assistant and be mixed with paper stock, paper stock dewaters through common fourdrinier wire, the dandyprat ornamenting, press with large-roll-diameter squeezing ornamenting, drying, batch, rewinding, without top sizing, press polish, get high bulk light paper 1000kg.The online concentration of manufacturing paper with pulp 0.56-0.61%; The slurry network speed is than about 0.98; Become the paper roll water intaking to divide and be controlled at 7.5-9%.The high bulk light paper that makes quantitatively is 60g/m
2, moisture is 7.7%, whiteness ISO74%, opacity 93%, bulk 2.12m
3/ kg, the vertical 4100m of fracture length roll web, lateral extensometer shrinkage 2.7%, the average 1.05m/S of print surface intensity, ash content 13.7%, surperficial pH value 7.0.
Claims (2)
1. high bulk light paper is characterized in that:
Slurry is italian poplar alkaline hydrogen peroxide thermomechanical pulp APMP slurry, chemical softwood pulp and poplar mechanical pulp; The slurry weight proportioning is italian poplar APMP: chemical softwood pulp: the poplar mechanical pulp is 60-75: 5-10: 20-30;
Supplementary product consumption is: (A) AKD consumption 0.07-0.12% is to oven dry stock; (B) amount of filler 18-22%; (C) cationic starch consumption 1.2-1.6%, retention agent PAM consumption 0.4-0.6Kg/T paper;
Papermaking process is:
(1) slurry weight proportioning italian poplar APMP: chemical softwood pulp: the poplar mechanical pulp is 60-75: 5-10: 20-30;
(2) join the preceding beating degree of slurry:
48-52 ° of SR of Italy's poplar APMP pulp;
38-42 ° of SR of chemistry softwood pulp;
55--60 ° of SR of poplar mechanical pulp;
(3) amount of filler: amount of filler 18-22%;
(4) AKD consumption: 0.7-1.2% is to oven dry stock;
(5) online slurry pH:7.5-8.0;
(6) do not use press polish, top sizing not.
2. the papermaking process of high bulk light paper according to claim 1 comprises and uses Italian poplar APMP pulp, and chemical softwood pulp adapted after pulling an oar is respectively manufactured paper with pulp, and it is characterized in that:
(1) slurry weight proportioning italian poplar APMP: chemical softwood pulp: the poplar mechanical pulp is 60-75: 5-10: 20-30;
(2) join the preceding beating degree of slurry:
48-52 ° of SR of Italy's poplar APMP pulp;
38-42 ° of SR of chemistry softwood pulp;
55--60 ° of SR of poplar mechanical pulp;
(3) amount of filler: amount of filler 18-22%;
(4) AKD consumption: 0.7-1.2% is to oven dry stock;
(5) online slurry pH:7.5-8.0;
(6) do not use press polish, top sizing not;
The characteristic of the high bulk light paper that (7) makes:
The high bulk light paper that makes quantitatively is 58.0-62.0g/m
2, moisture is 7.5-9.0%, whiteness ISO73-76%, and opacity is greater than 82%, and bulk is not less than 2.0cm
3/ g, fracture length roll web are vertically greater than 3600m, and the lateral extensometer shrinkage is less than 3.0%, and print surface intensity on average is not less than 1.0m/S, and paper surface p H value is greater than 7.0.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101433777A CN101392473B (en) | 2008-10-15 | 2008-10-15 | High bulk light paper and paper making technology thereof |
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| CN2008101433777A CN101392473B (en) | 2008-10-15 | 2008-10-15 | High bulk light paper and paper making technology thereof |
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| CN101392473B true CN101392473B (en) | 2010-10-06 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8317976B2 (en) | 2000-01-26 | 2012-11-27 | International Paper Company | Cut resistant paper and paper articles and method for making same |
| US8377526B2 (en) | 2005-03-11 | 2013-02-19 | International Paper Company | Compositions containing expandable microspheres and an ionic compound, as well as methods of making and using the same |
| US8382945B2 (en) | 2008-08-28 | 2013-02-26 | International Paper Company | Expandable microspheres and methods of making and using the same |
| US8460512B2 (en) | 2002-09-13 | 2013-06-11 | International Paper Company | Paper with improved stiffness and bulk and method for making same |
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| CN101831820B (en) * | 2010-03-25 | 2011-07-06 | 吉林晨鸣纸业有限责任公司 | Method for producing white pine and poplar chemical and mechanical paper pulp |
| CN102154923A (en) * | 2010-12-22 | 2011-08-17 | 山东华泰纸业股份有限公司 | Manufacture technology of sub-quality paper |
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| CN110117919A (en) * | 2018-02-05 | 2019-08-13 | 金东纸业（江苏）股份有限公司 | Paper pulp and paper |
| CN109554958B (en) * | 2018-12-24 | 2021-03-30 | 济南欣易特种纸业有限公司 | High-bulk light paper and production method thereof |
| CN109680536A (en) * | 2019-03-05 | 2019-04-26 | 山东天阳纸业有限公司 | A kind of production method of light weight papers |
| CN110331612B (en) * | 2019-05-23 | 2020-09-11 | 岳阳林纸股份有限公司 | Method for manufacturing high-proportion chemical mechanical pulp sketch paper |
| CN111549554B (en) * | 2020-05-19 | 2021-03-30 | 易立科技通山有限公司 | High-air-permeability light medical protection special paper and manufacturing method thereof |
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2008
- 2008-10-15 CN CN2008101433777A patent/CN101392473B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8317976B2 (en) | 2000-01-26 | 2012-11-27 | International Paper Company | Cut resistant paper and paper articles and method for making same |
| US8460512B2 (en) | 2002-09-13 | 2013-06-11 | International Paper Company | Paper with improved stiffness and bulk and method for making same |
| US8790494B2 (en) | 2002-09-13 | 2014-07-29 | International Paper Company | Paper with improved stiffness and bulk and method for making same |
| US8377526B2 (en) | 2005-03-11 | 2013-02-19 | International Paper Company | Compositions containing expandable microspheres and an ionic compound, as well as methods of making and using the same |
| US8382945B2 (en) | 2008-08-28 | 2013-02-26 | International Paper Company | Expandable microspheres and methods of making and using the same |
| US8679294B2 (en) | 2008-08-28 | 2014-03-25 | International Paper Company | Expandable microspheres and methods of making and using the same |
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| CN101392473A (en) | 2009-03-25 |
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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: 414002 No. 1 Guangming Road, Yueyang, Hunan, Chenglingji Patentee before: Yueyang Paper-making Industry Co., Ltd. |