CN103628343B - Low-basis-weight compact fine soft tissue and production method thereof - Google Patents
Low-basis-weight compact fine soft tissue and production method thereof Download PDFInfo
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- CN103628343B CN103628343B CN201310535666.2A CN201310535666A CN103628343B CN 103628343 B CN103628343 B CN 103628343B CN 201310535666 A CN201310535666 A CN 201310535666A CN 103628343 B CN103628343 B CN 103628343B
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Abstract
The invention discloses a production method of a low-basis-weight compact fine soft tissue. The production method of the low-basis-weight compact fine soft tissue comprises the following steps of (1) carrying out pulping, wherein mixed pulp of softwood pulp and hardwood pulp is put into a pulp breakage pool, the pulp breakage concentration is in a medium concentration type, defibrination is carried out to obtain pulp liquid, the beating degree of the pulp liquid ranges from 20 schopper-rieger degrees to 28 schopper-rieger degrees, the concentration of the pulp liquid ranges from 4.0% to 5.0%, the mass percent of the softwood pulp in the mixed pulp ranges from 35% to 40%, and the mass percent of the hardwood pulp in the mixed pulp ranges from 60% to 65%; (2) carrying out pulp feeding; (3) carrying out dehydration and drying, wherein dehydration and drying are carried out until the moisture of a paper sheet ranges from 5.5% to 7.5%; (4) carrying out wrinkling and winding; (5) slitting materials and packaging products. According to the production method of the low-basis-weight compact fine soft tissue, softening agents are not added in the production process, and a few wet strength agents are added. The low-basis-weight compact fine soft tissue has the main advantages that the basis weight is low, and ranges from 10g/m＜2＞ to 12g/m＜2＞, softness is high, wrinkles are fine and smooth, and holes do not exist.
Description
Technical field
The present invention relates to the production method of a kind of fine and soft paper towel that compacts, belong to paper for daily use production technical field.
Background technology
Paper industry is closely bound up with the national economic development and social civilization, and paper and cardboard level of consumption are to weigh a National modern
One of important symbol of change and civilization degree；At present, China's paper and the volume of production of cardboard and consumption figure all rank first in the world, but with
Time be faced with again the dual restriction of resource and environment；So it is imperative to walk the road economized on resources；So-called low weight paper and cardboard are just
Refer to the innovation by production technology and improvement, make the quantitative reduction of paper, and the application performance of paper is held essentially constant or has
Improved.And the quantitative of the most public high-grade paper towel about maintains 14.0 ± 1.0g/；GB GB20810-2006
Regulation in " toilet paper (containing toilet paper body paper) ", on the premise of keeping toilet paper technical specification, minimum quantification of 12.0 ± 1.0
g/㎡；In existing general paper technology, the paper for daily use producing light basis weight is constantly present following problem: 1. paper is irregular；2.
Hole occurs.3. product is the fullest etc..A kind of production method of tissue paper, this patent is mentioned in CN101831821A
It is primarily directed to the technique that deinked pulp produces thin paper；The life of a kind of ultrathin release raw paper is mentioned in CN102828437A
Product method, this patent weight per unit length can reach 20-35g/, but for the production technology report of high-grade paper towel light basis weight product
Road is the fewest；
Summary of the invention
In order to solve defect present in above-mentioned existing technique, it is an object of the invention to provide a kind of light basis weight (quantitative ＜ 12g/
) the production method of high-grade domestic paper face-cloth；
It is an object of the invention to be realized by following technical scheme:
It is an object of the invention to provide the production method of the high-grade paper towel of a kind of light basis weight (quantitative ＜ 12g/).
For achieving the above object, the present invention uses technical scheme as follows: the producer of the fine and soft paper towel that compacts of a kind of light basis weight
Method, is carried out in accordance with the following steps:
1) slurrying: the mixed slurry of softwood pulp and hardwood pulp is put in pulping pond, dense formula in the employing of size degradation concentration, mill
Beating degree 20～28 ° of SR, the serosity of concentration of slurry 4.0%～5.0%, the wherein quality of softwood pulp in mixed slurry is obtained after slurry
Percentage composition is (35～40) %, and the weight/mass percentage composition of hardwood pulp is (60～65) %；
2) starching: use cloth paddle head box, adds wet strength agent polyacrylamide and dispersant polyoxy in cloth paddle head box
Changing ethylene, the wet agent addition that adds is (10-20) kg/ ton paper, jet-wire ratio (0.90-0.98): 1, and the addition of dispersant is
(0.7-1) kg/ ton paper；
3) it is dehydrated and is dried to page moisture content 5.5%～7.5%；
4) wrinkling & batches；
5) packaging is cut.
Preferably, described step 1 uses double disc refiner to carry out defibrination.
Wet strength agent in described step 2 is polyacrylamide.
Dispersant in described step 2 is polyethylene glycol oxide.
Another object of the present invention is to provide a kind of light basis weight prepared by any of the above-described production method to compact fine and soft paper towel.
Light basis weight obtained by the present invention compacts fine and soft paper towel, and it has the property that
1) quantitative 10-12 gram/m2
2) soft value ＜ 30mN
3) thickness ＜ 0.8mm/12 layer
4) the product number of plies: 2～4 layers.
By technique scheme, the light basis weight of the present invention surpasses soft paper face-cloth and has the advantage that and beneficial effect:
1) product has super soft feeling, and pliability can reach ＜ 30mN, far beyond Standard (＜ 180mN)；
It is particularly suitable for the tender and lovely skins such as baby, child, women to use；
2) weight per unit length is low, can reach 10-12g/；
3) product can keep higher tension stress on the premise of light basis weight, remains toughness and the absorbability of paper towel；
4) finished product feel is soft and smooth, continuous soft, and page wrinkle is clear and children is thin, and wrinkle rank can reach AA rank.
5) the soft paper extraction face-cloth taken out of finished product such as 200 after packaging, smokes with the 200 of existing 14.0 ± 1.0g/
Soft paper extraction face-cloth is compared, height reduction about 15% on the premise of paper size is constant, can play saving former simultaneously
Material, adjuvant, cost of transportation etc. act on, and are ensureing that, in product using effect, cost reduces, and reaches environmental protection, joint
The about purpose of resource.
Detailed description of the invention
In order to make present invention technical scheme to be provided and effect thereof clearer, below in conjunction with preferred embodiment, to this
Invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, not
For limiting the present invention.
Embodiment one:
The technical solution adopted in the present invention is as follows: the production method of the super soft paper towel of a kind of light basis weight, according to production procedure bag
Include following technique:
1) slurrying: according to softwood pulp: the ratio of hardwood pulp=40%:60% carries out hybrid size degradation, size degradation concentration uses
In dense formula, carry out defibrination, power 210KW, throughput 45M with double disc refiner3/ H, beating degree 25～28 ° of SR, serosity
Concentration 4.2%～4.5%.
2) starching: use cloth paddle head box, adding wet strength agent in header box is dispersant, jet-wire ratio 0.94:1.
Wet strength agent uses polyacrylamide, and addition is 10～20kg/ ton paper, and dispersant uses polyethylene glycol oxide, and addition is
0.7～1kg/ ton paper.
3) it is dehydrated and is dried: vacuum rotary screen can be used to be dried with the mode of vacuum torr rod, make page moisture content 5.5%～7.5%
4) wrinkling with batch: using the mode of 75-90 degree angle creping blade and cooling cylinder carry out wrinkling and batch, the rate of batching is 80-
84%
5) packaging is cut: cut dimension on request.
Product specification such as table 1 below:
Embodiment two:
The technical solution adopted in the present invention is as follows: the production method of the super soft paper towel of a kind of light basis weight, according to production procedure bag
Include following technique:
1) slurrying: according to softwood pulp: the ratio of hardwood pulp=35%:65% carries out hybrid size degradation, size degradation concentration uses
In dense formula, carry out defibrination, power 210KW, throughput 45M with double disc refiner3/ H, beating degree 24～26 ° of SR, serosity
Concentration 4.2%～4.5%.
2) starching: use cloth paddle head box, adding wet strength agent in header box is dispersant, and jet-wire ratio 0.92:1 is wet
Strong agent uses polyacrylamide, and addition is 10～20kg/ ton paper, and dispersant uses polyethylene glycol oxide, and addition is 0.7kg/ ton
Paper.
3) dehydration & is dried: vacuum rotary screen and vacuum torr rod, page moisture content 5.5%～8.0%
4) wrinkling & batches: 75-90 degree angle creping blade and cooling cylinder batch rate 80%
5) packaging is cut: cut dimension on request.
Product specification such as table 2 below:
The above, be only presently preferred embodiments of the present invention, and the present invention not makees any pro forma restriction, therefore every
Without departing from technical solution of the present invention content, any simple modification of above example being made according to the technical spirit of the present invention, etc.
With change and modification, all still fall within the range of technical solution of the present invention.
Claims (4)
1. a production method for the fine and soft paper towel that compacts of light basis weight, is carried out in accordance with the following steps:
1) slurrying: the mixed slurry of softwood pulp and hardwood pulp is put in pulping pond, dense formula in the employing of size degradation concentration, mill
20 ° of SR of beating degree～28 ° of SR, the serosity of concentration of slurry 4.0%～5.0%, wherein softwood pulp in mixed slurry is obtained after slurry
Weight/mass percentage composition is 35%～40%, and the weight/mass percentage composition of hardwood pulp is 60%～65%；
2) starching: use cloth paddle head box, adds wet strength agent and dispersant in cloth paddle head box, and wet strength agent uses
Being polyacrylamide, its addition is 10kg/ ton paper～20kg/ ton paper, jet-wire ratio (0.90-0.98): 1, and dispersant uses
Being polyethylene glycol oxide, its addition is 0.7kg/ ton paper～1kg/ ton paper；
3) it is dehydrated and is dried to page moisture content 5.5%～7.5%；
4) wrinkling and batch；
5) packaging is cut.
Method the most according to claim 1, it is characterised in that: described step 1 uses double disc refiner to carry out defibrination.
3. the light basis weight prepared by the arbitrary production method of claim 1～2 compacts fine and soft paper towel.
The fine and soft paper towel that compacts of light basis weight the most according to claim 3, it is characterised in that have the property that
1) quantitative 10 grams/m2～12 grams/m2
2) soft value ＜ 30mN
3) thickness ＜ 0.8mm/12 layer
4) the product number of plies: 2 layers～4 layers.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310535666.2A CN103628343B (en) | 2013-11-01 | 2013-11-01 | Low-basis-weight compact fine soft tissue and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310535666.2A CN103628343B (en) | 2013-11-01 | 2013-11-01 | Low-basis-weight compact fine soft tissue and production method thereof |
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| CN103628343A CN103628343A (en) | 2014-03-12 |
| CN103628343B true CN103628343B (en) | 2017-01-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3705624A1 (en) * | 2019-03-08 | 2020-09-09 | Zhejiang Jingxing Paper Joint Stock Co., Ltd. | Method for manufacturing pure-wood-pulp dual-layer soluble paper towel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235125B (en) * | 2017-07-11 | 2022-09-06 | 金红叶纸业(南通)有限公司 | Household paper and preparation method thereof |
| CN107385983A (en) * | 2017-09-18 | 2017-11-24 | 龙游旭荣纸业有限公司 | A kind of paper pulp making method of paper for daily use |
| CN108720695A (en) * | 2018-05-30 | 2018-11-02 | 高尚朴 | A kind of pure wood pulp paper handkerchief of no added fluorescent whitening agent and preparation method thereof |
| CN109736127A (en) * | 2019-01-18 | 2019-05-10 | 昆明理工大学 | A method of improving true qualities paper for daily use softness |
| CN116590961A (en) * | 2023-04-06 | 2023-08-15 | 重庆理文卫生用纸制造有限公司 | Production process of low-gram-weight paper |
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| CN101338533A (en) * | 2008-07-31 | 2009-01-07 | 杨清国 | Method for producing toilet paper |
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| CN102493262A (en) * | 2011-12-13 | 2012-06-13 | 潍坊永新纸业有限公司 | Cotton paper papermaking process |
| CN102660150A (en) * | 2012-04-28 | 2012-09-12 | 华南理工大学 | Modified calcium carbonate filler and preparation method and application thereof in wet-strength paper |
| CN103261520A (en) * | 2010-12-21 | 2013-08-21 | 花王株式会社 | Tissue paper and method for producing tissue paper |
| CN103276618A (en) * | 2013-05-30 | 2013-09-04 | 华南理工大学 | Papermaking chemical adding device |
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| CN1303452A (en) * | 1998-06-02 | 2001-07-11 | 宝洁公司 | Soft tissue having temporary wet strength |
| CN102066660A (en) * | 2008-03-20 | 2011-05-18 | 沃依特专利有限责任公司 | Headbox for a paper or board machine |
| CN101338533A (en) * | 2008-07-31 | 2009-01-07 | 杨清国 | Method for producing toilet paper |
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| CN102493262A (en) * | 2011-12-13 | 2012-06-13 | 潍坊永新纸业有限公司 | Cotton paper papermaking process |
| CN102660150A (en) * | 2012-04-28 | 2012-09-12 | 华南理工大学 | Modified calcium carbonate filler and preparation method and application thereof in wet-strength paper |
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| EP3705624A1 (en) * | 2019-03-08 | 2020-09-09 | Zhejiang Jingxing Paper Joint Stock Co., Ltd. | Method for manufacturing pure-wood-pulp dual-layer soluble paper towel |
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| CN103628343A (en) | 2014-03-12 |
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