CN102251433A - Method for preparing paper - Google Patents
Method for preparing paper Download PDFInfo
- Publication number
- CN102251433A CN102251433A CN2011101884557A CN201110188455A CN102251433A CN 102251433 A CN102251433 A CN 102251433A CN 2011101884557 A CN2011101884557 A CN 2011101884557A CN 201110188455 A CN201110188455 A CN 201110188455A CN 102251433 A CN102251433 A CN 102251433A
- Authority
- CN
- China
- Prior art keywords
- paper
- preparation
- lignosulfonates
- sulfonic acid
- salting liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Paper (AREA)
Abstract
The invention discloses a method for preparing paper, and the method comprises the following steps: putting cellulose fiber slurry on a web to carry out moulding, and then squeezing and drying the obtained product so as to obtain a fiber paper web; mixing a lignosulfonate solution with a sizing agent so as to obtain a mixed solution; and coating the mixed solution on the surface of the fiber paper web by virtue of a sizing machine, and then sequentially carrying out drying and press polish on the obtained object so as to obtain the paper. In the method disclosed by the invention, lignosulfonate is taken as a reinforcing agent, and because the lignosulfonate has good membrane forming property and can be used for improving the surface strength and stiffness of the fiber paper web, the action of taking the lignosulfonate as a reinforcing agent in the method guarantees the strength of the prepared paper. Compared with the prior art, in the method disclosed by the invention, starch is not required to be taken as a reinforcing agent, therefore, the food consumption is reduced; and the paper prepared by using the method disclosed by the invention has a good strength. Experimental results show that the paper prepared by using the method disclosed by the invention can fulfill the standards of first-rate products in GB/T13023-2008.
Description
Technical field
The present invention relates to pulp technology for making paper, more particularly, relate to a kind of preparation method of paper.
Background technology
Paper is one of four inventions of Ancient Times in China science and technology, and with compass, gunpowder, the art of printing provides the basis of material technology together to the prosperity of Ancient Times in China culture.The invention of the paper complicated history of ancient times letters wooden tablets or slips for writing that is through with has promoted cultural propagation and development widely.Now, paper has been widely used in fields of society, mainly comprises package paper, printing, industrial paper, paper for daily use and speciality paper etc.
Fluting medium and tea paperboard are important package papers, are raw material production fluting medium and tea paperboard to reclaim slurry and knot pulp mainly at present.There is the short shortcoming of fiber owing to reclaim slurry and knot pulp, therefore, only starches and knot pulp is that raw material will cause the strength of paper for preparing lower to reclaim.For the paper that guarantees to prepare has certain intensity, in the past between decades always the method for widespread usage be to add starch as reinforcing agent in wet end production phase of papermaking.
Reinforcing agent commonly used mainly comprises cornstarch, farina and tapioca etc. with starch.Because starch has the effect of the internal bond of fortifying fibre face, therefore can improve tensile strength, bursting strength, folding strength and the deflection etc. of paper, it is obvious especially to strengthen effect aspect strength of paper.For example, application number is that 99107560.9 Chinese patent literature has been reported a kind of zinc oxide electrostatic gelatine printing paper raw paper pulp, is made up of bleached wood pulp, alkyl ketene dimer, polyamine daiamid epoxy propane, cationic starch and polyacrylamide.Application number is that 99807216.8 Chinese patent literature has been reported a kind of papermaking process, this method combines as reinforcing agent with a kind of more fixative with a kind of anionic starch, this anionic starch is based on the derivative of a kind of more starch or described starch, and this starch comprises based on the dry of this starch amylose of 95wt% at least.
But, not only increased grain consumption with starch as reinforcing agent, and made paper cost higher.Therefore, the inventor considers, a kind of preparation method of paper is provided, and it is reinforcing agent that this method need not with starch, thereby reduces grain consumption.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of preparation method of paper, and it is reinforcing agent that this method need not with starch, reduces grain consumption when guaranteeing paper strength.
In order to solve the problems of the technologies described above, the invention provides a kind of preparation method of paper, may further comprise the steps:
With net forming, squeezing oven dry on the cellulose fibre slurry, obtain fibrous web;
The lignin sulfonic acid salting liquid is mixed with sizing agent, obtain mixed solution;
Described mixed solution is applied to the surface of described fibrous web through sizing applicator, drying, press polish obtains paper.
Preferably, the pH value of described lignin sulfonic acid salting liquid is 4～5.
Preferably, the temperature of described lignin sulfonic acid salting liquid is 50～65 ℃.
Preferably, the temperature of described lignin sulfonic acid salting liquid is 60 ℃.
Preferably, the mass concentration of lignin sulfonic acid salting liquid is 12%～15%.
Preferably,, the mass concentration of lignin sulfonic acid salting liquid is 13%～14%.
Preferably, described lignosulfonates are calcium lignosulfonate.
Preferably, the mass ratio of lignosulfonates and cellulose fibre is 0.1～25: 100.
Preferably, the mass ratio of lignosulfonates and cellulose fibre is 5～15: 100.
Preferably, described lignosulfonates prepare as follows:
A) liquid waste of pulping by sulfite process is filtered, obtain lignosulfonates stoste after the evaporation;
B) with after described lignosulfonates stoste intensification and the insulation, obtain first solution;
C) the pH value of described first solution is adjusted to 10.5～11.5 after, to wherein adding aldehyde compound, obtain lignosulfonates after the reaction.
The preparation method of a kind of paper of the present invention may further comprise the steps: with net forming, squeezing oven dry on the cellulose fibre slurry, obtain fibrous web; The lignin sulfonic acid salting liquid is mixed with sizing agent, obtain mixed solution; Described mixed solution is applied to the surface of described fibrous web through sizing applicator, drying, press polish obtains paper.The present invention is reinforcing agent with lignosulfonates, because lignosulfonates have good film forming, and can improve the surface strength and the deflection of fibrous web, therefore, the present invention is that reinforcing agent has guaranteed the strength of paper for preparing with lignosulfonates.Compared with prior art, it is reinforcing agent that the present invention need not with starch, thereby reduces grain consumption, and the paper of the present invention's preparation has good intensity.Experimental result shows that the paper of the present invention's preparation reaches the standard of GB/T13023-2008 Grade A.
The specific embodiment
Below the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The invention discloses a kind of preparation method of paper, may further comprise the steps:
With net forming, squeezing oven dry on the cellulose fibre slurry, obtain fibrous web;
The lignin sulfonic acid salting liquid is mixed with sizing agent, obtain mixed solution;
Described mixed solution is applied to the surface of described fibrous web through sizing applicator, drying, press polish obtains paper.
Above-mentioned cellulose fibre slurry is preferably the lignocellulose fiber slurry, and especially the slurry of pollard, annual plant or perennial plant is preferably knot pulp.In addition, described cellulose fibre slurry can also comprise recycled fiber, especially reclaims paper or reclaims cardboard.Described cellulose fibre slurry can be by machinery, chemical-mechanical or the preparation of chemical pulping method, and there is no particular restriction to this present invention.This cellulose fibre slurry can also can be the slurry of not bleaching for the slurry of bleaching.
The lignosulfonates that the present invention adopts can be preferably calcium lignosulfonate for sodium lignin sulfonate and/or calcium lignosulfonate.In above-mentioned preparation process, described lignin sulfonic acid salting liquid preferably is prepared as follows: a) liquid waste of pulping by sulfite process is filtered, obtain lignosulfonates stoste after the evaporation; B) with after described lignosulfonates stoste intensification and the insulation, obtain first solution; C) the pH value of described first solution is adjusted to 10.5～11.5 after, to wherein adding aldehyde compound, obtain lignosulfonates after the reaction.The present invention is in the preparation process of paper, and the pH value of the lignin sulfonic acid salting liquid of employing is preferably 4～5, and more preferably 4.5～5; The temperature of described lignin sulfonic acid salting liquid is 50～65 ℃, more preferably 60 ℃; The mass concentration of described lignin sulfonic acid salting liquid is preferably 12%～15%, and more preferably 13%～14%.
In addition, technical scheme provided by the invention can also for: lignin sulfonic acid salting liquid, sizing agent and boron source compound are mixed, obtain mixed solution; Described mixed solution is applied to the surface of described fibrous web through sizing applicator, drying, press polish obtains paper.Wherein, the mass ratio of described boron source compound and described lignin fibre is preferably (2～20): 100, more preferably (5～20): 100, most preferably be (10～15): 100.Described boron source compound is preferably boric acid and metal borate, and described metal boride is preferably Firebrake ZB, Boratex, potassium borate.In the present invention, the adding of this boron source compound can improve the anti-hygro-expansivity of paper.
In the present invention the lignin sulfonic acid salting liquid is mixed in the step of the mixed slurry that obtains with the cellulose fibre slurry, the mass concentration of cellulose fibre slurry is preferably 0.1～1%, and more preferably 0.5～1%.And the mass ratio of described lignosulfonates and cellulose fibre is preferably 0.1～25: 100, more preferably 1～20: 100, most preferably be 5～15: 100.
The sizing agent that the present invention adopts can adopt glue used in paper-making well known to those skilled in the art, is preferably Cypres, and for example can adopt composition is the Cypres of calcium silicates.
The present invention is reinforcing agent with lignosulfonates, because lignosulfonates have good film forming, and can improve the surface strength of fibrous web, therefore, the present invention is that reinforcing agent has guaranteed the strength of paper for preparing with lignosulfonates.Compared with prior art, it is reinforcing agent that the present invention need not with starch, thereby reduces grain consumption, and the paper of the present invention's preparation has good intensity.Be that reinforcing agent is compared with starch in the prior art, the color of the lignosulfonates reinforcing agent that the present invention adopts is darker, therefore, is applicable to that more preparation corrugated paper, tea paperboard etc. are to the less demanding paper product of color.
The weight of the fibrous web that method provided by the invention prepares is preferably 90～180g/m
2, 100～180g/m more preferably
2, 120～150g/m more preferably
2
For the performance of the paper for preparing, can adopt method well known to those skilled in the art and instrument to detect, for example, day chessboard, infared dryer, baking oven, ring of compressed cardboard are pressed analyzer, paper water imbibition analyzer, pendulum tensile testing machine.
In order to further specify technical scheme of the present invention, below in conjunction with embodiment the preferred embodiment of the invention is described, but should be appreciated that these describe just to further specifying the features and advantages of the present invention, rather than to the restriction of claim of the present invention.
The chemical reagent that adopts in the present embodiment is commercial.
Embodiment 1
Through waterpower beating crusher size degradation, through the beater making beating, beating degree is controlled at 22～23 ° of SR again with knaur, and beating consistency is 3%, obtains the cellulose fibre slurry; With net forming, squeezing oven dry on the described cellulose fibre slurry, obtain fibrous web;
Calcium lignosulfonate is mixed with water in dissolving tank, be heated to 60 ℃ then, regulating the pH value is 4, obtains mass concentration and be 13% calcium lignosulfonate solution; With described calcium lignosulfonate solution and composition is that the Cypres of calcium silicates mixes, and obtains mixed solution;
Described mixed solution is applied to the surface of described fibrous web through sizing applicator, drying, press polish obtains corrugated paper, and the mass ratio of described calcium lignosulfonate and lignocellulose fiber is 13: 100.
The corrugated paper that present embodiment is prepared detects, and its quality reaches the standard of GB (GB/T13023-2008) Grade A.Be specially:
Quantitatively: 110g/m
2
Moisture content: 6%;
Ring crush index: 6N.m/g;
Inhale heavy: 100g/m
2
Fracture length: 3750m.
Embodiment 2
Through waterpower beating crusher size degradation, through the beater making beating, beating degree is controlled at 22～23 ° of SR again with knaur, and beating consistency is 3%, obtains the cellulose fibre slurry; With net forming, squeezing oven dry on the described cellulose fibre slurry, obtain fibrous web;
Calcium lignosulfonate is mixed with water in dissolving tank, be heated to 60 ℃ then, regulating the pH value is 5, obtains mass concentration and be 15% calcium lignosulfonate solution; With described calcium lignosulfonate solution and composition is that the Cypres of calcium silicates mixes, and obtains mixed solution;
Described mixed solution is applied to the surface of described fibrous web through sizing applicator, drying, press polish obtains corrugated paper, and the mass ratio of described calcium lignosulfonate and lignocellulose fiber is 14: 100.
The corrugated paper that present embodiment is prepared detects, and its quality reaches the standard of GB (GB/T13023-2008) Grade A.Be specially:
Quantitatively: 100g/m
2
Moisture content: 8%;
Ring crush index: 8N.m/g;
Inhale heavy: 95g/m
2
Fracture length: 3820m.
Embodiment 3
Through waterpower beating crusher size degradation, through the beater making beating, beating degree is controlled at 22～23 ° of SR again with knaur, and beating consistency is 3%, obtains the cellulose fibre slurry; With net forming, squeezing oven dry on the described cellulose fibre slurry, obtain fibrous web;
Calcium lignosulfonate is mixed with water in dissolving tank, be heated to 60 ℃ then, regulating the pH value is 4, obtains mass concentration and be 12% calcium lignosulfonate solution; With described calcium lignosulfonate solution and composition is that the Cypres of calcium silicates mixes, and obtains mixed solution;
Described mixed solution is applied to the surface of described fibrous web through sizing applicator, drying, press polish obtains corrugated paper, and the mass ratio of described calcium lignosulfonate and lignocellulose fiber is 13: 100.
The corrugated paper that present embodiment is prepared detects, and its quality reaches the standard of GB (GB/T13023-2008) Grade A.Be specially:
Quantitatively: 130g/m
2
Moisture content: 9%;
Ring crush index: 7N.m/g;
Inhale heavy: 85g/m
2
Fracture length: 3770m.
Embodiment 4
Through waterpower beating crusher size degradation, through the beater making beating, beating degree is controlled at 22～23 ° of SR again with knaur, and beating consistency is 3%, obtains the cellulose fibre slurry; With net forming, squeezing oven dry on the described cellulose fibre slurry, obtain fibrous web;
Calcium lignosulfonate is mixed with water in dissolving tank, be heated to 60 ℃ then, regulating the pH value is 5, obtains mass concentration and be 14% calcium lignosulfonate solution; With described calcium lignosulfonate solution and composition is that the Cypres of calcium silicates mixes, and obtains mixed solution;
Described mixed solution is applied to the surface of described fibrous web through sizing applicator, drying, press polish obtains corrugated paper, and the mass ratio of described calcium lignosulfonate and lignocellulose fiber is 14: 100.
The corrugated paper that present embodiment is prepared detects, and its quality reaches the standard of GB (GB/T13023-2008) Grade A.Be specially:
Quantitatively: 120g/m
2
Moisture content: 8%;
Ring crush index: 10N.m/g;
Inhale heavy: 88g/m
2
Fracture length: 3840m.
Embodiment 5
Through waterpower beating crusher size degradation, through the beater making beating, beating degree is controlled at 22～23 ° of SR again with knaur, and beating consistency is 3%, obtains the cellulose fibre slurry; With net forming, squeezing oven dry on the described cellulose fibre slurry, obtain fibrous web;
Calcium lignosulfonate is mixed with water in dissolving tank, be heated to 60 ℃ then, regulating the pH value is 5, obtains mass concentration and be 13% calcium lignosulfonate solution; With described calcium lignosulfonate solution and composition is that the Cypres of calcium silicates mixes, and obtains mixed solution;
Described mixed solution is applied to the surface of described fibrous web through sizing applicator, drying, press polish obtains corrugated paper, and the mass ratio of described calcium lignosulfonate and lignocellulose fiber is 15: 100.
The corrugated paper that present embodiment is prepared detects, and its quality reaches the standard of GB (GB/T13023-2008) Grade A.Be specially:
Quantitatively: 150g/m
2
Moisture content: 10%;
Ring crush index: 9N.m/g;
Inhale heavy: 92g/m
2
Fracture length: 3790m.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. the preparation method of a paper may further comprise the steps:
With net forming, squeezing oven dry on the cellulose fibre slurry, obtain fibrous web;
The lignin sulfonic acid salting liquid is mixed with sizing agent, obtain mixed solution;
Described mixed solution is applied to the surface of described fibrous web through sizing applicator, drying, press polish obtains paper.
2. preparation method according to claim 1 is characterized in that, the pH value of described lignin sulfonic acid salting liquid is 4～5.
3. preparation method according to claim 1 is characterized in that, the temperature of described lignin sulfonic acid salting liquid is 50～65 ℃.
4. preparation method according to claim 3 is characterized in that, the temperature of described lignin sulfonic acid salting liquid is 60 ℃.
5. preparation method according to claim 1 is characterized in that, the mass concentration of lignin sulfonic acid salting liquid is 12%～15%.
6. preparation method according to claim 5 is characterized in that, the mass concentration of lignin sulfonic acid salting liquid is 13%～14%.
7. preparation method according to claim 1 is characterized in that, described lignosulfonates are calcium lignosulfonate.
8. preparation method according to claim 1 is characterized in that, the mass ratio of lignosulfonates and cellulose fibre is 0.1～25: 100.
9. preparation method according to claim 8 is characterized in that, the mass ratio of lignosulfonates and cellulose fibre is 5～15: 100.
10. preparation method according to claim 1 is characterized in that, described lignosulfonates prepare as follows:
A) liquid waste of pulping by sulfite process is filtered, obtain lignosulfonates stoste after the evaporation;
B) with after described lignosulfonates stoste intensification and the insulation, obtain first solution;
C) the pH value of described first solution is adjusted to 10.5～11.5 after, to wherein adding aldehyde compound, obtain lignosulfonates after the reaction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101884557A CN102251433A (en) | 2011-07-06 | 2011-07-06 | Method for preparing paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101884557A CN102251433A (en) | 2011-07-06 | 2011-07-06 | Method for preparing paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102251433A true CN102251433A (en) | 2011-11-23 |
Family
ID=44978981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101884557A Pending CN102251433A (en) | 2011-07-06 | 2011-07-06 | Method for preparing paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102251433A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005249A (en) * | 2014-05-22 | 2014-08-27 | 云南省轻工业科学研究院 | Preparation method of mixed additive for papermaking |
| CN104120628A (en) * | 2014-07-17 | 2014-10-29 | 陆振飞 | Preparation method of sizing agent for paper-making |
| CN104562845A (en) * | 2013-10-11 | 2015-04-29 | 金东纸业（江苏）股份有限公司 | Paper surface sizing agent and method for raising paper permeability resistance |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1434068A (en) * | 2002-01-24 | 2003-08-06 | 邓州市老廷实业有限公司 | Method for producing sulfonated lignin |
| CN1454274A (en) * | 2000-04-12 | 2003-11-05 | 赫尔克里士公司 | Paper sizing composition |
| CN101429739A (en) * | 2008-12-17 | 2009-05-13 | 安徽山鹰纸业股份有限公司 | Ultra-low quantitative high-strength corrugated base paper production method and products produced thereby |
-
2011
- 2011-07-06 CN CN2011101884557A patent/CN102251433A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1454274A (en) * | 2000-04-12 | 2003-11-05 | 赫尔克里士公司 | Paper sizing composition |
| CN1434068A (en) * | 2002-01-24 | 2003-08-06 | 邓州市老廷实业有限公司 | Method for producing sulfonated lignin |
| CN101429739A (en) * | 2008-12-17 | 2009-05-13 | 安徽山鹰纸业股份有限公司 | Ultra-low quantitative high-strength corrugated base paper production method and products produced thereby |
Non-Patent Citations (1)
| Title |
|---|
| 伍胜 等: "蒸煮废液中木质素的资源化利用", 《上海造纸》, vol. 36, no. 4, 31 August 2005 (2005-08-31), pages 53 - 57 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104562845A (en) * | 2013-10-11 | 2015-04-29 | 金东纸业（江苏）股份有限公司 | Paper surface sizing agent and method for raising paper permeability resistance |
| CN104005249A (en) * | 2014-05-22 | 2014-08-27 | 云南省轻工业科学研究院 | Preparation method of mixed additive for papermaking |
| CN104005249B (en) * | 2014-05-22 | 2016-06-08 | 云南省轻工业科学研究院 | A kind of preparation method of paper grade (stock) mixed aid |
| CN104120628A (en) * | 2014-07-17 | 2014-10-29 | 陆振飞 | Preparation method of sizing agent for paper-making |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104641039B (en) | A kind of waterproof recycled writing paper and production method thereof | |
| CN100585073C (en) | High performance wall paper base paper pulp and process for manufacturing the wall paper base paper using the pulp | |
| CN102268845A (en) | Food packing paper and production method thereof | |
| CN103422397B (en) | Height adds filler millboard and pulping method thereof | |
| RU2741610C2 (en) | Biopolymer sizing agents | |
| CN108505372A (en) | A method of producing the low special craft paper of gram weight and high strength degree electric business using domestic waste paper | |
| SE540343C2 (en) | A corrugated board comprising an adhesive comprising starch and fine microfibrillated cellulose | |
| CN102061642B (en) | Method for improving intensity of corrugated medium paper and paperboard by using pulping waste liquor of high-yield pulp | |
| CN101255670A (en) | Exquisite kraft paper and producing method thereof | |
| CN101586315B (en) | Novel printing paper and production method thereof | |
| CN102383338A (en) | Surface sizing composition and application thereof | |
| CN102002892A (en) | Production process of low-quantitative straw wrapping paper | |
| CN106702806A (en) | Method for producing long-lasting antiseptic glass interval paper | |
| CN102888778A (en) | Production method of glassine body paper | |
| CN102828437A (en) | Method for producing ultrathin release raw paper | |
| SE1850499A1 (en) | A method to produce an adhesive comprising starch and microfibrillated cellulose, a corrugated board and an adhesive | |
| CN108035192A (en) | A kind of 14g/m2The production method of ultra-thin high grade of transparency copy paper | |
| CN102251433A (en) | Method for preparing paper | |
| CN102767114A (en) | Papers comprising a boron-containing compound and a method of making same | |
| CN101680191A (en) | Process for the production of a cellulosic product | |
| CN107964825B (en) | Raw paper of carton paper with low gram weight and production method and application thereof | |
| CN103397566B (en) | A kind of method utilizing recycled pulp to manufacture hanging raw stock | |
| CN103806335A (en) | Preparation method for corrugated paper ring crush reinforcing agent | |
| CN110219208B (en) | Production process of efficient kinking folding type candy packaging base paper | |
| CN106868925A (en) | A kind of high-strength filler paper high and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20111123 |