CN108686718A - A kind of preparation method of ion exchange paper - Google Patents
A kind of preparation method of ion exchange paper Download PDFInfo
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- CN108686718A CN108686718A CN201810487354.1A CN201810487354A CN108686718A CN 108686718 A CN108686718 A CN 108686718A CN 201810487354 A CN201810487354 A CN 201810487354A CN 108686718 A CN108686718 A CN 108686718A
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- Prior art keywords
- ion
- ion exchange
- exchange
- parts
- fibre
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/08—Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/16—Organic material
- B01J39/18—Macromolecular compounds
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a kind of preparation methods of ion exchange paper, ion exchange paper component includes 20-30 parts of the ion-exchange fibre that is chopped in parts by weight, 10-20 parts of fibrid, 5-10 parts of adhesive fiber, ion exchange paper based on ion-exchange fibre disclosed by the invention, it is low with filtration resistance, ion-exchanging efficiency is high, the high feature of wet strength, it is particularly suitable for the miniaturized application of ion exchange filter core, different from resinae adhesive material, fibrid has high specific surface area, due to the effect of mashing, generate multi-branched shape fiber fines, it can be with physical entanglement fixed ion exchange fiber, and do not cover ion-exchange fibre surface;Adhesive fiber has the characteristics that " spot gluing " in bonding plane, have no effect on the surface area of ion-exchange fibre, and by fibrid, ion-exchange fibre, crosslinking of building bridge with other adhesive fibers, network size is formed, makes the ion exchange paper material that there is two-dimensional stability and wet strength.
Description
Technical field
The present invention relates to ion exchange paper preparing technical field, specially a kind of preparation method of ion exchange paper.
Background technology
Ion exchange paper is a kind of features paper with anions and canons in selective absorption water, is had high wet strong
Degree, wetting property and chemical stability.Non-fiber usually in the fiber of cellulose, in the fiber of modified cellulose, alkaline
Is copied by paper machine paper is made again after the certain rare ion exchange resin of addition in cellulose fiber.For chemical analysis or remove certain
Ion.
Therefore power consumption can be saved using spherical ion exchange resin.Since spherical filtrate is under identical weight
With minimum specific surface area, therefore the filling batch treatment effeciency of ion exchange resin is not high, to reach bed single ion
Exchange rate can only use very high packed bed, and need frequent backwash, and which has limited the miniaturizations of ion exchange resin filter core.It passes
System ball filler ion exchange resin filter core cannot carry out ion exchange well under the limitation of high flow rate small size, bypass
Bypass phenomenons are serious.Due to the volumetric constraint of small-sized filter core, the skill of the Large ions exchanger resin tanks such as backwash cannot be applied
Art, general civilian water purification ion exchange resin filter core are disposable products, voluminous raw polymer solids waste difficult to degrade, no
Meet environmental requirement.
Invention content
The purpose of the present invention is to provide a kind of preparation methods of ion exchange paper, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the present invention provides the following technical solutions:A kind of ion exchange paper, ion exchange paper component are pressed
Parts by weight include be chopped 20-30 parts of ion-exchange fibre, 10-20 parts of fibrid, 5-10 parts of adhesive fiber.
Preferably, a kind of preparation method of ion exchange paper, includes the following steps:
A, fibrid is discongested into mashing processing, time 10-15min, beating degree is about 18-40 ° of SR, beating consistency 1-3%;
B, ion-exchange fibre is added later to be stirred in reserve pit with adhesive fiber, then matches on a papermaking machine and copies;
C, it is dried later, 90-110 DEG C of drying temperature, heated-air drying is used in drying, is added to paper air permeability, reduce
Its filtration resistance.
Preferably, the chopped ion-exchange fibre uses 1-20dtex, polyacrylic, the acrylonitrile-chlorine of 6-38mm
The cation exchange fibre of grafting gained or polyethylene kind warp after ethylene copolymer, polyacrylonitrile fiber are chemically treated
Irradiation grafting copolymerization gained cation exchange fibre or the cation exchange fibre that polystyrene is skeleton.
Preferably, the fibrid has the high-specific surface area fiber of branched structure using terylene, aramid fiber base, acrylic fibers base
Material.
Preferably, the adhesive fiber use low-melting point PET, PP, PE fibrous material or with PET, PP, PE any two
The bicomponent fibers of composition.
Compared with prior art, the beneficial effects of the invention are as follows:Based on ion-exchange fibre disclosed by the invention from
Son exchanges paper, has filtration resistance low, and ion-exchanging efficiency is high, the high feature of wet strength, is particularly suitable for ion exchange filter core
Miniaturized application is different from resinae adhesive material, and fibrid has high specific surface area, due to the effect of mashing, production
Raw multi-branched shape fiber fines, can be with physical entanglement fixed ion exchange fiber, and does not cover ion-exchange fibre surface;Bonding
Property fiber has the characteristics that " spot gluing " in bonding plane, has no effect on the surface area of ion-exchange fibre, and by precipitating
Fiber, ion-exchange fibre, building bridge with other adhesive fibers is crosslinked, and forms network size, and the ion exchange paper material is made to have
There are two-dimensional stability and wet strength;The 10 inch standard filter cores wound using the ion exchange paper are in calcium carbonate equivalent 300mg/
In the water of L, filtration flow-rate is reduced to 30mg/L up to 20 times of resin bed volumes i.e. 20BV/min per minute, water outlet calcium carbonate equivalent,
Sustainable 300BV.
Specific implementation mode
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
The every other embodiment that art personnel are obtained without making creative work belongs to the model that the present invention protects
It encloses.
The present invention provides the following technical solutions:A kind of ion exchange paper, ion exchange paper component include short in parts by weight
Cut 20-30 parts of ion-exchange fibre, 10-20 parts of fibrid, 5-10 parts of adhesive fiber.
Embodiment one:
Ion exchange paper component includes be chopped 20 parts of ion-exchange fibre, 10 parts of fibrid, adhesive fiber 5 in parts by weight
Part.
The preparation method of the present embodiment, includes the following steps:
A, fibrid is discongested into mashing processing, time 10min, beating degree is about 18 ° of SR, beating consistency 1%;
B, ion-exchange fibre is added later to be stirred in reserve pit with adhesive fiber, then matches on a papermaking machine and copies;
C, it is dried later, 90 DEG C of drying temperature, heated-air drying is used in drying, paper air permeability is added to, reduces its mistake
Filtration resistance power.
In the present embodiment, the ion-exchange fibre that is chopped uses 5dtex, polyacrylic, the acrylonitrile-vinyl chloride of 8mm total
The cation exchange fibre of grafting gained after polymers, polyacrylonitrile fiber are chemically treated.
In the present embodiment, fibrid has the high-specific surface area fiber of branched structure using terylene, aramid fiber base, acrylic fibers base
Material.
In the present embodiment, adhesive fiber is using low-melting point PET, PP, PE fibrous material.
Embodiment two:
Ion exchange paper component includes be chopped 30 parts of ion-exchange fibre, 20 parts of fibrid, adhesive fiber in parts by weight
10 parts.
The preparation method of the present embodiment, includes the following steps:
A, fibrid is discongested into mashing processing, time 15min, beating degree is about 40 ° of SR, beating consistency 3%;
B, ion-exchange fibre is added later to be stirred in reserve pit with adhesive fiber, then matches on a papermaking machine and copies;
C, it is dried later, 110 DEG C of drying temperature, heated-air drying is used in drying, paper air permeability is added to, reduces its mistake
Filtration resistance power.
In the present embodiment, the ion-exchange fibre that is chopped is exchanged fine using cation obtained by the irradiated graft copolymerization of polyethylene kind
Dimension or the cation exchange fibre that polystyrene is skeleton.
In the present embodiment, fibrid has the high-specific surface area fiber of branched structure using terylene, aramid fiber base, acrylic fibers base
Material.
In the present embodiment, adhesive fiber is used with two kinds of bicomponent fibers formed of PET, PP.
Embodiment three:
Ion exchange paper component includes be chopped 25 parts of ion-exchange fibre, 15 parts of fibrid, adhesive fiber 8 in parts by weight
Part.
The preparation method of the present embodiment, includes the following steps:
A, fibrid is discongested into mashing processing, time 12min, beating degree is about 30 ° of SR, beating consistency 2%;
B, ion-exchange fibre is added later to be stirred in reserve pit with adhesive fiber, then matches on a papermaking machine and copies;
C, it is dried later, 100 DEG C of drying temperature, heated-air drying is used in drying, paper air permeability is added to, reduces its mistake
Filtration resistance power.
In the present embodiment, the ion-exchange fibre that is chopped uses 15dtex, polyacrylic, the acrylonitrile-vinyl chloride of 25mm
The cation exchange fibre of grafting gained after copolymer, polyacrylonitrile fiber are chemically treated.
In the present embodiment, fibrid has the high-specific surface area fiber of branched structure using terylene, aramid fiber base, acrylic fibers base
Material.
In the present embodiment, adhesive fiber is using low-melting point PET, PP, PE fibrous material.
Ion exchange paper based on ion-exchange fibre disclosed by the invention has filtration resistance low, ion exchange effect
Rate is high, the high feature of wet strength, is particularly suitable for the miniaturized application of ion exchange filter core, is different from resinae adhesive material,
Fibrid has high specific surface area, due to the effect of mashing, generates multi-branched shape fiber fines, can be fixed with physical entanglement
Ion-exchange fibre, and ion-exchange fibre surface is not covered;Adhesive fiber has the characteristics that " spot gluing " in bonding plane, and
The surface area of ion-exchange fibre is not influenced, and by fibrid, ion-exchange fibre and other adhesive fiber framves
Bridge is crosslinked, and forms network size, and the ion exchange paper material is made to have two-dimensional stability and wet strength;Use the ion exchange paper
The 10 inch standard filter cores wound are in the water of calcium carbonate equivalent 300mg/L, and filtration flow-rate is up to 20 times of every point of resin bed volumes
Clock, that is, 20BV/min, water outlet calcium carbonate equivalent are reduced to 30mg/L, sustainable 300BV.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of ion exchange paper, it is characterised in that:Ion exchange paper component includes the ion-exchange fibre that is chopped in parts by weight
20-30 parts, 10-20 parts of fibrid, 5-10 parts of adhesive fiber.
2. a kind of preparation method of ion exchange paper, it is characterised in that:Include the following steps:
A, fibrid is discongested into mashing processing, time 10-15min, beating degree is about 18-40 ° of SR, beating consistency 1-3%;
B, ion-exchange fibre is added later to be stirred in reserve pit with adhesive fiber, then matches on a papermaking machine and copies;
C, it is dried later, 90-110 DEG C of drying temperature, heated-air drying is used in drying, is added to paper air permeability, reduce
Its filtration resistance.
3. a kind of ion exchange paper according to claim 1, it is characterised in that:The chopped ion-exchange fibre uses 1-
The chemically treated rear grafting of polyacrylic, acrylonitrile-vinyl chloride copolymer, polyacrylonitrile fiber of 20dtex, 6-38mm
The cation exchange fibre of gained either cation exchange fibre or polyphenyl second obtained by the irradiated graft copolymerization of polyethylene kind
Alkene is the cation exchange fibre of skeleton.
4. a kind of ion exchange paper according to claim 1, it is characterised in that:The fibrid is using terylene, aramid fiber
Base, acrylic fibers base have the high-specific surface area fibrous material of branched structure.
5. a kind of ion exchange paper according to claim 1, it is characterised in that:The adhesive fiber uses low melting point
PET, PP, PE fibrous material or the bicomponent fibers that any two are formed with PET, PP, PE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810487354.1A CN108686718A (en) | 2018-05-21 | 2018-05-21 | A kind of preparation method of ion exchange paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810487354.1A CN108686718A (en) | 2018-05-21 | 2018-05-21 | A kind of preparation method of ion exchange paper |
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| Publication Number | Publication Date |
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| CN108686718A true CN108686718A (en) | 2018-10-23 |
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| CN201810487354.1A Pending CN108686718A (en) | 2018-05-21 | 2018-05-21 | A kind of preparation method of ion exchange paper |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3997644A (en) * | 1973-09-19 | 1976-12-14 | Sumitomo Chemical Company, Limited | Method for manufacturing novel cation exchangers |
| CN85100892A (en) * | 1985-04-01 | 1986-01-10 | 中国科学院化学研究所 | Papery amberplex and method for making thereof and be applied to the electrodialysis clean water treatment |
| JPH03294342A (en) * | 1990-04-12 | 1991-12-25 | Sumitomo Chem Co Ltd | Production of sheet-shaped material containing recyclable type cation-exchange fiber |
| CN1676195A (en) * | 2004-03-29 | 2005-10-05 | 霓佳斯株式会社 | Method for manufacturing chemical filter |
| CN1676196A (en) * | 2004-03-29 | 2005-10-05 | 霓佳斯株式会社 | Chemical filter and method for manufacturing same |
| CN103321085A (en) * | 2013-06-13 | 2013-09-25 | 华南理工大学 | Meta-position aramid fiber paper with high physical strength insulativity as well as preparation method and application thereof |
| CN103572640A (en) * | 2013-10-24 | 2014-02-12 | 陕西科技大学 | Method for preparing para aramid paper from para aramid fibrid |
-
2018
- 2018-05-21 CN CN201810487354.1A patent/CN108686718A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3997644A (en) * | 1973-09-19 | 1976-12-14 | Sumitomo Chemical Company, Limited | Method for manufacturing novel cation exchangers |
| CN85100892A (en) * | 1985-04-01 | 1986-01-10 | 中国科学院化学研究所 | Papery amberplex and method for making thereof and be applied to the electrodialysis clean water treatment |
| JPH03294342A (en) * | 1990-04-12 | 1991-12-25 | Sumitomo Chem Co Ltd | Production of sheet-shaped material containing recyclable type cation-exchange fiber |
| CN1676195A (en) * | 2004-03-29 | 2005-10-05 | 霓佳斯株式会社 | Method for manufacturing chemical filter |
| CN1676196A (en) * | 2004-03-29 | 2005-10-05 | 霓佳斯株式会社 | Chemical filter and method for manufacturing same |
| CN103321085A (en) * | 2013-06-13 | 2013-09-25 | 华南理工大学 | Meta-position aramid fiber paper with high physical strength insulativity as well as preparation method and application thereof |
| CN103572640A (en) * | 2013-10-24 | 2014-02-12 | 陕西科技大学 | Method for preparing para aramid paper from para aramid fibrid |
Non-Patent Citations (3)
| Title |
|---|
| 张美云主编: "《加工纸与特种纸》", 31 January 2010 * |
| 李涛等: "不同粘结纤维增强芳纶纸对比研究", 《黑龙江造纸》 * |
| 芮静康主编: "《袖珍电工材料手册》", 29 February 2004, 中国建筑工业出版社 * |
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Application publication date: 20181023 |