CN109056418A - A kind of preparation method of manila paper - Google Patents
A kind of preparation method of manila paper Download PDFInfo
- Publication number
- CN109056418A CN109056418A CN201811050596.0A CN201811050596A CN109056418A CN 109056418 A CN109056418 A CN 109056418A CN 201811050596 A CN201811050596 A CN 201811050596A CN 109056418 A CN109056418 A CN 109056418A
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- Prior art keywords
- chitosan
- paper
- pulp
- preparation
- filler
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping processes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/10—Retention agents or drainage improvers
Landscapes
- Paper (AREA)
Abstract
The present invention relates to field of papermaking, more particularly to a kind of preparation method of manila paper, specific step is as follows: first being handled with chitosan inorganic filler cladding to obtain Chitosan-coated filler, then it is added in sodium periodate solution and is reacted, it is filtered, washed, dries after reaction, obtain partial oxidation Chitosan-coated filler, paper making pulp is obtained after mixing with the mixed slurry and retention agent of softwood pulp and hardwood pulp, by manufacturing paper with pulp, paper pulp surfs the Internet and to form page, then press dewatering, it is dry to get.The present invention in the case where inorganic filler amount of being filled with height, can greatly improve intensity, the damage resistibility of paper, improve the retention performance of inorganic filler, and safe and environment-friendly, easily operated.
Description
Technical field
The present invention relates to pulp technology for making paper more particularly to a kind of preparation methods of manila paper.
Background technique
In recent years, due to the shortage of timber resources, the primary raw material paper pulp supply of paper industry tails off, and price rises.
The inorganic fillers such as talcum powder, calcium carbonate, titanium dioxide and kaolin can substitute paper pulp fiber in the paper making process, to drop
Low cost of manufacturing paper with pulp, moreover it is possible to which the printing performance and smoothness for improving paper are widely used in paper industry.But
Paper pulp fiber holds that power is very poor to filler, with the increase of its amount of being filled with, frequently can lead to the strength reduction of paper, in printing
It is easy to appear hair and powder dropping phenomenon, and filler retention reduces, increases the difficulty of papermaking wastewater processing.
It is filled with inorganic filler bring adverse effect in order to reduce, usually addition has relatively by force with fiber in the paper making process
The material of binding performance carries out coating modification to inorganic filler.Chitosan is that a kind of molecular structure and cellulose are extremely similar
Natural polymer has great amount of hydroxy group isoreactivity group on strand, and absorption, bonding can occur with paper pulp fiber, with
The affinity of paper pulp fiber is strong.CN102936866A discloses the preparation method of chitosan modified talcum powder papermaking filler and answers
With, chitosan is adsorbed in talcum powder surface and is formed by curing chitosan precipitation film, improves filler and interfibrous combination, thus
Improve the intensity of paper.But the bond strength between chitosan and paper pulp fiber is not high enough, it is only inorganic by Chitosan-coated
Filler cannot achieve the effect that increase substantially paper strength.
Summary of the invention
It, can be high in the inorganic filler amount of being filled with the purpose of the invention is to provide a kind of preparation method of manila paper
In the case of, greatly improve the intensity of paper, improve the retention performance of inorganic filler, and it is safe and environment-friendly, be easy to grasp
Make.
The present invention is achieved by the following technical solutions:
A kind of preparation method of manila paper, which comprises the following steps:
(1) first chitosan is added sufficiently to dissolve in acetum and obtains the chitosan solution that mass fraction is 0.5-1%,
Then it is added and is equivalent to the inorganic filler of chitosan solution quality 10-15% and stirs evenly, then with sodium hydroxide solution by pH tune
To 7-9, it is stirred to react 1-2h, obtains Chitosan-coated filler；
(2) the Chitosan-coated filler is added in sodium periodate solution, is protected from light 10- in 40-60 DEG C of constant temperature
30min washs after filtering, dries, obtains partial oxidation Chitosan-coated filler；
(3) respectively by softwood pulp and hardwood pulp by discongesting, after defibrination by absolute dry mass ratio (0.5-1): 1 mixing is equal
It is even to obtain the mixed slurry that mass fraction is 1.5-2.5%, the institute for being equivalent to mixed slurry absolute dry mass 20-40% is then added
It states partial oxidation Chitosan-coated filler and is uniformly mixed with the retention agent for being equivalent to mixed slurry absolute dry mass 0.03-0.05%,
Obtain paper making pulp；
(4) by the paper making pulp through manufacturing paper with pulp, paper pulp surfs the Internet and to form page, then press dewatering, drying, obtain high-strength
Spend paper.
The relative molecular weight of the chitosan is 20000-500000.
The inorganic filler is selected from one or more of talcum powder, calcium carbonate, titanium dioxide, kaolin.
The mass fraction of the acetum is 1-2%.
The mass fraction of the sodium hydroxide solution is 3-5%.
The mass fraction of the sodium periodate solution is 1-2%.
The retention agent is one or more of cationic starch, cationic polyacrylamide.
The invention has the advantages that
The present invention first handles inorganic filler cladding with chitosan to obtain Chitosan-coated filler, and sodium metaperiodate is then added
It is reacted in solution, is filtered, washed, dries after reaction, partial oxidation Chitosan-coated filler is obtained, with softwood pulp
Obtain paper making pulp with after the mixing of the mixed slurry and retention agent of hardwood pulp, by manufacturing paper with pulp, paper pulp surf the Internet to form page, so
Press dewatering, drying afterwards, obtain manila paper.By first making chitosan be adsorbed in filler surface, and it is formed by curing chitosan
Then coating film is aoxidized with sodium metaperiodate, make the chitosan for being coated on filler surface that partial oxidation occur, in chitosan packet
The surface of overlay film introduces dialdehyde group, and chemical crosslink reaction can occur with groups such as hydroxyls on paper pulp fiber, further mention
The bond strength of filler and paper pulp fiber is risen, to greatly improve the intensity of paper, damage resistibility, while improving inorganic fill out
The retention performance of material.
Specific embodiment
Embodiment 1
(1) first the chitosan that molecular weight is 20000 is added sufficiently to dissolve in the acetum that mass fraction is 1% and is obtained
The chitosan solution that mass fraction is 0.5%, the kaolin that then addition is equivalent to chitosan solution quality 10% stir evenly,
PH is adjusted to 7 with the sodium hydroxide solution that mass fraction is 3% again, 1h is stirred to react, obtains Chitosan-coated filler；
(2) the Chitosan-coated filler is added in the sodium periodate solution that mass fraction is 1%, is kept away in 40 DEG C of constant temperature
Light reaction 10min washs after filtering, dries, obtains partial oxidation Chitosan-coated filler；
(3) softwood pulp and hardwood pulp are uniformly mixed by discongesting, after defibrination by absolute dry mass ratio 0.5:1 respectively
Then the partial oxidation for being equivalent to mixed slurry absolute dry mass 20% is added in the mixed slurry for being 1.5% to mass fraction
Chitosan-coated filler and the cationic starch for being equivalent to mixed slurry absolute dry mass 0.03% are uniformly mixed, and obtain pulping
Material；
(4) by the paper making pulp through manufacturing paper with pulp, paper pulp surfs the Internet and to form page, then press dewatering, drying, obtain high-strength
Spend paper.
Embodiment 2
(1) first the chitosan that molecular weight is 100000 is added in the acetum that mass fraction is 1% and is sufficiently dissolved
The chitosan solution for being 1% to mass fraction, the kaolin that then addition is equivalent to chitosan solution quality 10% stir evenly,
PH is adjusted to 7 with the sodium hydroxide solution that mass fraction is 3% again, 1h is stirred to react, obtains Chitosan-coated filler；
(2) the Chitosan-coated filler is added in the sodium periodate solution that mass fraction is 1%, is kept away in 40 DEG C of constant temperature
Light reaction 10min washs after filtering, dries, obtains partial oxidation Chitosan-coated filler；
(3) softwood pulp and hardwood pulp are uniformly mixed by discongesting, after defibrination by absolute dry mass ratio 0.5:1 respectively
Then the partial oxidation for being equivalent to mixed slurry absolute dry mass 40% is added in the mixed slurry for being 1.5% to mass fraction
Chitosan-coated filler and the cationic starch for being equivalent to mixed slurry absolute dry mass 0.03% are uniformly mixed, and obtain pulping
Material；
(4) by the paper making pulp through manufacturing paper with pulp, paper pulp surfs the Internet and to form page, then press dewatering, drying, obtain high-strength
Spend paper.
Embodiment 3
(1) first the chitosan that molecular weight is 500000 is added in the acetum that mass fraction is 1% and is sufficiently dissolved
The chitosan solution for being 0.5% to mass fraction, then addition is equivalent to the kaolin stirring of chitosan solution quality 10%
It is even, then pH is adjusted to 7 with the sodium hydroxide solution that mass fraction is 3%, it is stirred to react 1h, obtains Chitosan-coated filler；
(2) the Chitosan-coated filler is added in the sodium periodate solution that mass fraction is 1%, is kept away in 40 DEG C of constant temperature
Light reaction 30min washs after filtering, dries, obtains partial oxidation Chitosan-coated filler；
(3) softwood pulp and hardwood pulp are uniformly mixed by discongesting, after defibrination by absolute dry mass ratio 0.5:1 respectively
Then the partial oxidation for being equivalent to mixed slurry absolute dry mass 20% is added in the mixed slurry for being 1.5% to mass fraction
Chitosan-coated filler and the cationic starch for being equivalent to mixed slurry absolute dry mass 0.03% are uniformly mixed, and obtain pulping
Material；
(4) by the paper making pulp through manufacturing paper with pulp, paper pulp surfs the Internet and to form page, then press dewatering, drying, obtain high-strength
Spend paper.
Comparative example 1
(1) first the chitosan that molecular weight is 20000 is added sufficiently to dissolve in the acetum that mass fraction is 1% and is obtained
The chitosan solution that mass fraction is 0.5%, the kaolin that then addition is equivalent to chitosan solution quality 10% stir evenly,
PH is adjusted to 7 with the sodium hydroxide solution that mass fraction is 3% again, 1h is stirred to react, obtains Chitosan-coated filler；
(2) softwood pulp and hardwood pulp are uniformly mixed by discongesting, after defibrination by absolute dry mass ratio 0.5:1 respectively
Then the chitosan packet for being equivalent to mixed slurry absolute dry mass 20% is added in the mixed slurry for being 1.5% to mass fraction
It covers filler and is uniformly mixed with the cationic starch for being equivalent to mixed slurry absolute dry mass 0.03%, obtain paper making pulp；
(3) by the paper making pulp by manufacturing paper with pulp, paper pulp surfs the Internet and to form page, then press dewatering, it is dry to get.
Comparative example 2
(1) first the chitosan that molecular weight is 100000 is added in the acetum that mass fraction is 1% and is sufficiently dissolved
The chitosan solution for being 1% to mass fraction, the kaolin that then addition is equivalent to chitosan solution quality 10% stir evenly,
PH is adjusted to 7 with the sodium hydroxide solution that mass fraction is 3% again, 1h is stirred to react, obtains Chitosan-coated filler；
(2) softwood pulp and hardwood pulp are uniformly mixed by discongesting, after defibrination by absolute dry mass ratio 0.5:1 respectively
Then the chitosan packet for being equivalent to mixed slurry absolute dry mass 40% is added in the mixed slurry for being 1.5% to mass fraction
It covers filler and is uniformly mixed with the cationic starch for being equivalent to mixed slurry absolute dry mass 0.03%, obtain paper making pulp；
(3) by the paper making pulp by manufacturing paper with pulp, paper pulp surfs the Internet and to form page, then press dewatering, it is dry to get.
Comparative example 3
(1) first the chitosan that molecular weight is 500000 is added in the acetum that mass fraction is 1% and is sufficiently dissolved
The chitosan solution for being 0.5% to mass fraction, then addition is equivalent to the kaolin stirring of chitosan solution quality 10%
It is even, then pH is adjusted to 7 with the sodium hydroxide solution that mass fraction is 3%, it is stirred to react 1h, obtains Chitosan-coated filler；
(2) softwood pulp and hardwood pulp are uniformly mixed by discongesting, after defibrination by absolute dry mass ratio 0.5:1 respectively
Then the chitosan packet for being equivalent to mixed slurry absolute dry mass 20% is added in the mixed slurry for being 1.5% to mass fraction
It covers filler and is uniformly mixed with the cationic starch for being equivalent to mixed slurry absolute dry mass 0.03%, obtain paper making pulp；
(3) by the paper making pulp by manufacturing paper with pulp, paper pulp surfs the Internet and to form page, then press dewatering, it is dry to get.
Paper made from above-described embodiment is tested for the property, in which:
The measuring method of paper tensile strength is referring to GB/T 4531989；
The measuring method of burst index is referring to GB/T 454-1989；
The measuring method of retention is as follows: paper being placed in Muffle furnace in 525 DEG C of calcinations, ash content quality is measured.It keeps
Rate is estimated with following formula:
R (%)=(A2-A1)/A × 100%
A1 --- the ash content quality after paper calcination
A2 --- the ash content quality of paper pulp is derived from paper
A --- the quality of filler is added when preparing paper
Test result is as shown in table 1.
Table 1
| Tensile index (Nm/g) | Burst index (kPam2/g) | Filler retention (%) | |
| Embodiment 1 | 34.61 | 1.919 | 96.3 |
| Embodiment 2 | 27.58 | 1.637 | 91.2 |
| Embodiment 3 | 38.42 | 2.030 | 97.8 |
| Comparative example 1 | 28.55 | 1.634 | 91.4 |
| Comparative example 2 | 19.09 | 1.108 | 83.1 |
| Comparative example 3 | 30.16 | 1.704 | 93.6 |
The test result of embodiment 1 and comparative example 1, embodiment 2 and comparative example 2, embodiment 3 and comparative example 3 is carried out pair
Than, it can be seen that the present invention use partial oxidation treated paper strength made from Chitosan-coated filler, damage resistibility with
And there is raising by a relatively large margin compared with retention paper made from the Chitosan-coated filler of not oxidised processing.
Claims (7)
1. a kind of preparation method of manila paper, which comprises the following steps:
(1) first chitosan is added sufficiently to dissolve in acetum and obtains the chitosan solution that mass fraction is 0.5-1%, then
The inorganic filler that addition is equivalent to chitosan solution quality 10-15% stirs evenly, then pH is adjusted to 7- with sodium hydroxide solution
9, it is stirred to react 1-2h, obtains Chitosan-coated filler；
(2) the Chitosan-coated filler is added in sodium periodate solution, is protected from light 10-30min in 40-60 DEG C of constant temperature,
It washs, dry after filtering, obtain partial oxidation Chitosan-coated filler；
(3) respectively by softwood pulp and hardwood pulp by discongesting, after defibrination by absolute dry mass ratio (0.5-1): 1 be uniformly mixed
Then the portion for being equivalent to mixed slurry absolute dry mass 20-40% is added in the mixed slurry for being 1.5-2.5% to mass fraction
Divide oxidation Chitosan-coated filler to be uniformly mixed with the retention agent for being equivalent to mixed slurry absolute dry mass 0.03-0.05%, obtains
Paper making pulp；
(4) by the paper making pulp through manufacturing paper with pulp, paper pulp surfs the Internet and to form page, then press dewatering, drying, obtain high strength paper
?.
2. a kind of preparation method of manila paper according to claim 1, which is characterized in that the chitosan it is opposite
Molecular weight is 20000-500000.
3. a kind of preparation method of manila paper according to claim 1, which is characterized in that the inorganic filler is selected from
One or more of talcum powder, calcium carbonate, titanium dioxide, kaolin.
4. a kind of preparation method of manila paper according to claim 1, which is characterized in that the matter of the acetum
Amount score is 1-2%.
5. a kind of preparation method of manila paper according to claim 1, which is characterized in that the sodium hydroxide solution
Mass fraction be 3-5%.
6. a kind of preparation method of manila paper according to claim 1, which is characterized in that the sodium periodate solution
Mass fraction be 1-2%.
7. a kind of preparation method of manila paper according to claim 1, which is characterized in that the retention agent be sun from
One or more of sub- starch, cationic polyacrylamide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811050596.0A CN109056418A (en) | 2018-09-07 | 2018-09-07 | A kind of preparation method of manila paper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811050596.0A CN109056418A (en) | 2018-09-07 | 2018-09-07 | A kind of preparation method of manila paper |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110172859A (en) * | 2019-06-26 | 2019-08-27 | 陕西科技大学 | A kind of papermaking filling method based on gel in situ growth coated caco3 filler |
| CN111705543A (en) * | 2020-05-28 | 2020-09-25 | 仙鹤股份有限公司 | Preparation method of high-whiteness high-strength carbonless copy paper base paper |
| CN113914126A (en) * | 2021-11-08 | 2022-01-11 | 华邦特西诺采新材料股份有限公司 | Nano composite material and application thereof in preparation of high-opacity plain color decorative base paper |
| CN114014954A (en) * | 2021-11-08 | 2022-02-08 | 华邦特西诺采新材料股份有限公司 | Hydrophobic decorative base paper and preparation method thereof |
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| CN103255678A (en) * | 2013-05-13 | 2013-08-21 | 金红叶纸业集团有限公司 | Papermaking process and paper produced by same |
| CN103266531A (en) * | 2013-05-13 | 2013-08-28 | 金红叶纸业集团有限公司 | Papermaking process and paper produced through same |
| CN105218702A (en) * | 2015-09-30 | 2016-01-06 | 苏州蔻美新材料有限公司 | A kind of water-solubility chitosan derivative and synthetic method thereof |
| CN105839453A (en) * | 2016-04-13 | 2016-08-10 | 陕西科技大学 | Papermaking method by using composite filler of calcium silicate and fiber fines |
| CN105906742A (en) * | 2016-07-07 | 2016-08-31 | 四川大学 | Oxidized chitosan quaternary ammonium salt and preparation method thereof |
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| CN108442173A (en) * | 2018-02-10 | 2018-08-24 | 戴琪 | A kind of preparation method of modification of chitosan glue used in paper-making |
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| CN102936866A (en) * | 2012-10-29 | 2013-02-20 | 浙江理工大学 | Preparation method and application of chitosan modified talcum powder papermaking filler |
| CN103255678A (en) * | 2013-05-13 | 2013-08-21 | 金红叶纸业集团有限公司 | Papermaking process and paper produced by same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110172859A (en) * | 2019-06-26 | 2019-08-27 | 陕西科技大学 | A kind of papermaking filling method based on gel in situ growth coated caco3 filler |
| CN110172859B (en) * | 2019-06-26 | 2021-11-05 | 陕西科技大学 | Papermaking filling method based on gel in-situ growth coated calcium carbonate filler |
| CN111705543A (en) * | 2020-05-28 | 2020-09-25 | 仙鹤股份有限公司 | Preparation method of high-whiteness high-strength carbonless copy paper base paper |
| CN113914126A (en) * | 2021-11-08 | 2022-01-11 | 华邦特西诺采新材料股份有限公司 | Nano composite material and application thereof in preparation of high-opacity plain color decorative base paper |
| CN114014954A (en) * | 2021-11-08 | 2022-02-08 | 华邦特西诺采新材料股份有限公司 | Hydrophobic decorative base paper and preparation method thereof |
| CN114014954B (en) * | 2021-11-08 | 2022-10-04 | 华邦特西诺采新材料股份有限公司 | Hydrophobic decorative base paper and preparation method thereof |
| CN113914126B (en) * | 2021-11-08 | 2022-12-20 | 华邦特西诺采新材料股份有限公司 | Nano composite material and application thereof in preparing plain decorative base paper |
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Application publication date: 20181221 |