CN109930424A - A method of improving air paper body paper air permeability - Google Patents
A method of improving air paper body paper air permeability Download PDFInfo
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- CN109930424A CN109930424A CN201711362153.0A CN201711362153A CN109930424A CN 109930424 A CN109930424 A CN 109930424A CN 201711362153 A CN201711362153 A CN 201711362153A CN 109930424 A CN109930424 A CN 109930424A
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- slurry
- paper
- air
- fiber
- air permeability
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Abstract
The invention discloses a kind of methods for improving air paper body paper air permeability, utilize the abeyance of slurry fiber under highly concentrated mechanism, improve the kink rolled state of fiber, a kind of method that slurry permeability is improved with mechanical treatment is developed, to achieve the purpose that replace part or substitution mercerising slurrying during preparing air paper body paper.
Description
Technical field
The present invention relates to a kind of method for improving air paper body paper performance, particular technique is related to field of papermaking.
Background technique
Air paper is with one or more of synthetic fibers, plant fiber and inorfil for raw material, and addition is appropriate
Papermaking chemical, manufactured paper with pulp by wet process papermaking technology.Air paper is mainly used for air cleaner, applies in vapour
On the internal combustion engine of vehicle, ship, tractor etc..Such filtering material is that a kind of strainability is good, the filtering with porous structure
Medium, it is therefore desirable to which body paper raw material makes it have preferable strainability by processing technology processing.
Mercerization slurry is added, during manufacturing paper with pulp air paper often at present to improve the air permeability of raw paper of filter paper.Silk
Photochemical to refer to the process of with certain density soda-dip fiber, under the action of lye, fiber obtains abundant swollen, and width becomes
It is wide；The noncrystalline domain of fiber is partially dissolved out simultaneously, so that fibre length is shortened, is distorted index friendship greatly, tiny component in paper pulp
Content is reduced.Fiber surface after mercerization becomes smooth, mellow and full, and fiber is distorted, and is conducive to improve the saturating of paper
Manner, but physical strength can decrease；The spent lye generated during mercerization simultaneously is also required to subsequent processing, is production silk
Light starches inevitable problem.
When research finds to carry out high consistency refining to fiber, the pulp fiber of production all has abeyance.In the process, by
In heat and high-frequency impulse effect and roll flute rubbing the effects of, so that fiber is born very high thermal stress and mechanical stress
And bending kink is generated, if the slurry ground cools down quickly, the bending kinked condition of fiber will be made to be fixed up, lead to fibre
Dimension follows the string.It is generally necessary to which it is latent to make fiber relaxation straighten disappear, but the distortion rolled state of fiber can effectively improve
The air permeability of paper, therefore, it is an object of the invention to the abeyances using slurry fiber under highly concentrated mechanism, improve fine
The kink rolled state of dimension, develop it is a kind of with mechanical treatment improve slurry permeability method, thus reach substitution part or
Substitute the purpose of mercerising slurrying.
Summary of the invention
The present invention carries out mechanical kneading to it under hot steam state using commerical grade bleaching needle-point leaf pulp material as raw material, knot
Cooling and dry rapidly after beam, to treated, slurry carries out copy paper test, and the permeability of gained body paper is obviously improved.Specifically
Operating method is as follows:
(1) preparation of slurry: with 80~90 DEG C of hot-water soak bleaching needle-point leaf pulp material, slurry dense 10~20%, soaking time
30~60min, for use；
(2) mechanical treatment: the slurry (1) of preparation is poured into kneader, is carried out under conditions of being passed through hot steam mechanical
It mediates, reaction time 30min~120min；
(3) it post-processes: the slurry (2) after mechanical treatment being poured into and carries out cooling treatment in cold water, it is de- to carry out squeezing later
Water after slurry is carried out wet pulp dissociation, carries out slurry drying at 105~130 DEG C of temperature, copy paper and quality testing is carried out after drying.
Present invention is characterized in that
There is the fiber of kink curling using the abeyance preparation of slurry, the permeability of body paper is improved with Mechanical Method.
Specific embodiment
Below with reference to embodiment, more detailed introduction is done to the present invention:
Embodiment 1:
With 90 DEG C of hot-water soak bleaching needle-point leaf pulp material, after soaking time 30min, the slurry of preparation is fallen for slurry dense 15%
Enter in kneader, mechanical kneading, reaction time 30min are carried out under conditions of being passed through hot steam；By the slurry after mechanical treatment
Pour into and carry out cooling treatment in cold water, carry out press dewatering later, by slurry carry out wet pulp dissociation after, at 130 DEG C of temperature into
The drying of row slurry, carries out copy paper and quality testing after drying；Compared with the air paper body paper for being added to 30% mercerising slurrying, the invention
The air paper body paper items intensity index of preparation is suitable, and wherein Air permenbility can promote 20%.
Embodiment 2:
With 90 DEG C of hot-water soak bleaching needle-point leaf pulp material, after soaking time 60min, the slurry of preparation is fallen for slurry dense 20%
Enter in kneader, mechanical kneading, reaction time 60min are carried out under conditions of being passed through hot steam；By the slurry after mechanical treatment
Pour into and carry out cooling treatment in cold water, carry out press dewatering later, by slurry carry out wet pulp dissociation after, at 130 DEG C of temperature into
The drying of row slurry, carries out copy paper and quality testing after drying；Compared with the air paper body paper for being added to 40% mercerising slurrying, the invention
The air paper body paper items intensity index of preparation is suitable, and wherein Air permenbility can promote 15%.
Slurry after above embodiments mechanical treatment carries out copy paper, is detected its permeability index and is obviously improved, can be effective
Substitution part mercerising slurrying prepares air paper body paper.
Claims (4)
1. a kind of method for improving air paper body paper air permeability, it is characterised in that utilize slurry fiber under highly concentrated mechanism
Abeyance, improve the kink rolled state of fiber, thus achieve the purpose that improve slurry permeability, specifically include following step
It is rapid:
(1) preparation of slurry: with 80~90 DEG C of hot-water soak bleaching needle-point leaf pulp material, slurry dense 10~20%, soaking time 30~
60min, for use；
(2) mechanical treatment: the slurry (1) of preparation is poured into kneader, and mechanical kneading is carried out under conditions of being passed through hot steam,
Reaction time 30min~120min；
(3) it post-processes: the slurry (2) after mechanical treatment being poured into and carries out cooling treatment in cold water, carries out press dewatering later, it will
After slurry carries out wet pulp dissociation after dehydration, slurry drying is carried out at 105~130 DEG C of temperature, and copy paper is carried out after drying and obtains sky
Gas raw paper of filter paper.
2. a kind of method for improving air paper body paper air permeability as described in claim 1, it is characterised in that step (1) is described
Slurry need heat soaking early period handle.
3. a kind of method for improving air paper body paper air permeability as described in claim 1, it is characterised in that mediated in machinery
It is heat-treated in the process, to improve the crimpness of fiber.
4. a kind of method for improving air paper body paper air permeability as described in claim 1, feature is after mechanical treatment
Slurry needs to carry out cold treatment and heating heat treatment, and fiber crimp is fixed, thus in subsequent paper-making process, preparation
Body paper air permeability can be promoted effectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711362153.0A CN109930424A (en) | 2017-12-15 | 2017-12-15 | A method of improving air paper body paper air permeability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711362153.0A CN109930424A (en) | 2017-12-15 | 2017-12-15 | A method of improving air paper body paper air permeability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109930424A true CN109930424A (en) | 2019-06-25 |
Family
ID=66982204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711362153.0A Pending CN109930424A (en) | 2017-12-15 | 2017-12-15 | A method of improving air paper body paper air permeability |
Country Status (1)
| Country | Link |
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| CN (1) | CN109930424A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111549574A (en) * | 2020-05-09 | 2020-08-18 | 天津科技大学 | Method for improving air permeability of wood pulp air filter paper base paper |
Citations (5)
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|---|---|---|---|---|
| CN101988279A (en) * | 2009-08-06 | 2011-03-23 | 苏州新业造纸有限公司 | Production process of oil-water separation filter paper |
| CN102230297A (en) * | 2011-06-13 | 2011-11-02 | 东北林业大学 | Plant paper pulp fiber modifying agent and modifying method using same, and filter paper and preparation method thereof |
| CN103614939A (en) * | 2013-11-30 | 2014-03-05 | 李文海 | Pulping process method for synchronously quenching and bleaching rice straws |
| CN104790245A (en) * | 2015-03-25 | 2015-07-22 | 石家庄天略工业用布有限公司 | High-strength support filter paper for tubular films and preparation method of high-strength support filter paper for tubular films |
| CN105155337A (en) * | 2015-09-11 | 2015-12-16 | 姚志宏 | Nano active carbon composite body paper having excellent breathability and manufacturing method thereof |
-
2017
- 2017-12-15 CN CN201711362153.0A patent/CN109930424A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101988279A (en) * | 2009-08-06 | 2011-03-23 | 苏州新业造纸有限公司 | Production process of oil-water separation filter paper |
| CN102230297A (en) * | 2011-06-13 | 2011-11-02 | 东北林业大学 | Plant paper pulp fiber modifying agent and modifying method using same, and filter paper and preparation method thereof |
| CN103614939A (en) * | 2013-11-30 | 2014-03-05 | 李文海 | Pulping process method for synchronously quenching and bleaching rice straws |
| CN104790245A (en) * | 2015-03-25 | 2015-07-22 | 石家庄天略工业用布有限公司 | High-strength support filter paper for tubular films and preparation method of high-strength support filter paper for tubular films |
| CN105155337A (en) * | 2015-09-11 | 2015-12-16 | 姚志宏 | Nano active carbon composite body paper having excellent breathability and manufacturing method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 熊皇伟等: "丝光浆对空气滤纸原纸性能的影响", 《中国造纸》 * |
| 詹怀宇等: "《制浆技术》", 30 September 2012, 中国轻工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111549574A (en) * | 2020-05-09 | 2020-08-18 | 天津科技大学 | Method for improving air permeability of wood pulp air filter paper base paper |
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