CN109289547A - A kind of continuous preparation method of polystyrene/Kynoar amberplex - Google Patents
A kind of continuous preparation method of polystyrene/Kynoar amberplex Download PDFInfo
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- CN109289547A CN109289547A CN201811298918.3A CN201811298918A CN109289547A CN 109289547 A CN109289547 A CN 109289547A CN 201811298918 A CN201811298918 A CN 201811298918A CN 109289547 A CN109289547 A CN 109289547A
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- kynoar
- polystyrene
- amberplex
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/28—Polymers of vinyl aromatic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
- B01D71/34—Polyvinylidene fluoride
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Abstract
The present invention discloses a kind of polystyrene/continuous preparation method of Kynoar amberplex, it is by styrene, crosslinking agent, initiator and solvent are after mixing, to dissolve Kynoar, obtain homogeneous mixed solution, then thermal-initiated polymerization, obtain the jelly with inierpeneirating network structure, through squeezing out, it is granulated, obtain polystyrene/Kynoar Archon particle, then the functional method for using for reference anion-cation exchange resin prepares anion-cation exchange resin particle, after twin-screw extrusion diaphragm, after being rolled into prefabricated membrane into four-roll calendaring unit, it covers net and enters flat drum type vulcanizing machine hot pressing, obtain amberplex.With polystyrene produced by the present invention/Kynoar amberplex, there is inierpeneirating network structure, eliminate micron-scale phase separation fault of construction, film resistance is greatly lowered, and is maintained an equal level with homogeneous ion-exchange membrane, and be able to achieve industrialization continuous production.
Description
Technical field
The present invention relates to functional polymer film preparation technical fields, and in particular to a kind of polystyrene/Kynoar from
The continuous preparation method of proton exchange.
Background technique
Amberplex is prepared based on various anion-cation exchange resin because having unique ion exchanging function
Anion and cation exchange membrane is widely used to the industrial circles such as soda acid recycling, wastewater treatment, desalination separation.Amberplex from
Heterogeneous membrane, half homogeneous membrane and homogeneous membrane can be divided into structure.The amberplex being commercialized currently on the market is mostly heterogeneous membrane,
Chemical property is general, is chiefly used in primary electrodialytic process.Heterogeneous membrane is to hand over ion using direct hot press forming technology
It changes resin-oatmeal and binder, auxiliary agent etc. to be kneaded rear tab, cover screen cloth hot pressing and form, microcosmic angle analysis, heterogeneous membrane presentation does not connect
Continuous, non-uniform two-phase laminated flow structure, amberlite cosmetics and skeleton polarity spectrum are big, and when use easily falls off from film appearance
" shedding " and " hole " phenomenon, and film resistance is caused to rise, ion-selective permeability decline.It is compared to heterogeneous membrane, homogeneous membrane
Performance greatly promote, can be used for the high-end occasions such as fuel cell barrier film, strong acid and strong base devil liquor recovery.The preparation method of homogeneous membrane
Mainly there are thin film radiation Graft Method, bulk polymerization cutting method, basement membrane leaching suction method, coating method etc..The graft-functionalized journey of thin film radiation
Degree is not easy to control, it is difficult to industrialized production；Bulk polymerization cutting method needs special dies and equipment to complete cutting, and production equipment is wanted
Ask high；Basement membrane leaching is inhaled and coating method, similar with radiation graft process, and using the technique for being first film-made Post functionalization, this is resulted in
Film surface and built-in function uniformity coefficient are difficult to control, the more difficult accurate manipulation of reaction process, and technical difficulty, equipment,
Control means, production equipment are more demanding, are substantially half homogeneous membrane filming technology.Half homogeneous membrane macrostructure stable uniform,
Performance has preferable chemical property and physical mechanical property between heterogeneous membrane and homogeneous membrane.
For half homogeneous membrane of polystyrene (polystyrene raw material is from a wealth of sources, cheap, and proton conduction property is good),
What is mostly used is that styrene-divinylbenzene monomer solution or skeleton polymer solution and styrene-are inhaled in the leaching of skeleton polymer particle
Divinylbenzene monomer forms mixed solution, and then through thermal-initiated polymerization Post functionalization at ion exchange resin, then processing forms a film.
Due to Kynoar have excellent heat resistance, chemical stability, film-forming flexibility, thermoplastic processing, be applied to from
In the framework material of proton exchange.Kynoar particle has been used to carry out leaching suction to styrene in patent 201110417296.3
The suspension polymerisation in water phase afterwards, then through chloromethylation and amination or sulfonation, obtain anion-cation exchange resin, through mixing, begin to pratise,
Roll, cover net hot pressing and obtain amberplex, but Kynoar particle is not high to styrene uptake, uniformity coefficient is difficult to control
System.It all uses in patent 201210259047.0,201310088619.8,201310142477.9 by St-DVB-BPO solution
It is added drop-wise in Kynoar solution and forms solution, then thermal-initiated polymerization, after jelly product extruding pelletization, dries pulverizing
Then the auxiliary agents such as polyisobutene flexibilizing agent are added in sulfonation, through mixing, begin to pratise, pulling-on piece covers net (or not covering net) hot pressing and obtains yin-yang
Amberplex.The ion exchange resin that this polymerization obtains, monomer solution is in the biggish Kynoar solution of viscosity
In mixing uniformity be still difficult to ensure, and monomer solution dropwise addition slowly extend the production time, resin particle needs to crush
Step increases the production cycle, reduces production efficiency.Moreover, when progress reaction kinetic produces negative resin in industrial production,
It is powdered it is functionalized after cleaning when be easy network blocking, time consumption and energy consumption.In addition, flexibilizing agent polyisobutene molecular weight is larger,
Polarity is small, poor with polar ion exchange resin compatibility, is easy to appear phase separation structure.These techniques belong to interval
Formula, obtained amberplex are unable to continuous production, coiled, and efficiency is lower.
Summary of the invention
In view of the technical drawbacks of the prior art, it is an object of the present invention to provide a kind of comprehensive performances to improve, knot
Structure uniformly, can continuous production the continuous system of the polystyrene with inierpeneirating network structure/Kynoar amberplex
Preparation Method.
The technical solution adopted to achieve the purpose of the present invention is:
A kind of continuous preparation method of polystyrene/Kynoar amberplex, comprising the following steps:
(1) styrene, crosslinking agent, initiator and solvent are uniformly mixed in a kettle, Kynoar powder are added,
Heating, dissolution, obtain homogeneous styrene/Kynoar mixed solution；
(2) above-mentioned mixed solution is obtained into polystyrene/Kynoar jelly through thermal-initiated polymerization；By jelly
It squeezes out, be granulated, is dry, obtaining polystyrene/Kynoar Archon particle；
(3) use for reference ion exchange resin production method, respectively by Archon particle it is sulfonated after obtain cation exchange tree
Rouge particle, or anion exchange resin particles are obtained after chloromethylation and aminating reaction；
(4) it by after ion-exchange resin particles, antioxidant and release agent mixed at high speed, filters and squeezes through double screw extruder
After out, until four-roll calendaring unit, after being rolled into prefabricated membrane, upper and lower surface is respectively embedded in one layer of enhancing screen cloth, into drum vulcanizer
Group, membrane, rolling after cooling obtain polystyrene/Kynoar amberplex.
Improvement as the continuous preparation method of polystyrene of the invention/Kynoar amberplex:
Crosslinking agent employed in the step (1) is divinylbenzene, ethylene glycol dimethacrylate or dimethyl
Acrylic acid butanediol ester；The usage amount of crosslinking agent is the 5%~12% of styrene quality；
Initiator employed in the step (1) is dibenzoyl peroxide or azodiisobutyronitrile；Initiator makes
Dosage is the 1%~5% of styrene quality；
Styrene/Kynoar mixed solution in the step (1), wherein the styrene and Kynoar that contain
Mass ratio be 0.5~1.5；
Release agent is stearic acid or calcium stearate in the step (4)；The dosage of release agent is ion-exchange resin particles
The 0.2~0.4% of quality；Enhancing screen cloth twine material is nylon, terylene or polypropylene fibre.
Further improvement as the continuous preparation method of polystyrene of the invention/Kynoar amberplex:
Double screw extruder barrel temperature in the step (4) are as follows: 130~140 DEG C of feeding section, fluxing zone 140~160
DEG C, 145~155 DEG C of metering section；Four roll temperatures be respectively as follows: from top to bottom 135~140 DEG C, 130~135 DEG C, 125~130 DEG C,
120~125 DEG C；Vulcanized drum temperature is 170~180 DEG C, and speed is 0.5~5 m/min.
In the present invention, styrene, crosslinking agent, initiator and solvent after mixing, for dissolving Kynoar, obtain
The homogeneous phase solution thermal-initiated polymerization arrived, through extrusion, granulation, functionalization, obtained ion-exchange resin particles have interpenetrating networks
Structure, microstructure uniformly continuous, so as to improve polar functional polystyrene and nonpolar polyvinylidene fluoride after film forming
The shortcomings that there is micron-scale phase separation and film properties is caused to decline in alkene.There is heat using ion-exchange resin particles produced by the present invention
Plasticity, so reducing auxiliary agent to film properties without adding the coalescing agents such as other flexibilizing agents, binder in film-forming process
Adverse effect.Due to the thermoplasticity of the ion-exchange resin particles, traditional heterogeneous membrane, half homogeneous membrane filming technology are eliminated
In essential resin pulverising step, simplify technique, shorten process flow, improve production efficiency, and graininess
Cleaning of the Archon after reaction kinetic it is more powdered be easier, time-saving energy-saving.
In the present invention, filming technology is used in combination using double screw extruder, four-roll calendaring unit and drum vulcanizer
Mode, double screw extruder is by after ion-exchange resin particles and antioxidant, release agent fusion plastification, through flat-die film extrusion
Piece is rolled into film subsequently into four-roll calendaring unit, enters flat drum type vulcanizing machine group after covering net, is wound after membrane up to ion
Exchange membrane.The high shear force of twin-screw by resin particle and auxiliary agent melting mixing it is uniform after, relatively thin diaphragm is extruded into through flat-die,
Instead of the mixing of batch production, mill step.Diaphragm obtains the prefabricated membrane of required thickness after four-roll calendaring unit,
Prefabricated film surface is overlayed on after enhancing screen cloth is preheated, into flat drum type vulcanizing machine group, by the effect of pressure steel band, after covering net
Prefabricated membrane is pressed on the surface of vulcanization heating drum, after the hot pressing of heating drum, when being drawn above heating drum, and cooling winding.
Using such technique, continuous production is realized, shortens process flow, improves efficiency.
Specific embodiment
Below in conjunction with specific embodiment, invention is further described in detail.It should be appreciated that described herein specific
Embodiment is only used to explain the present invention, is not intended to limit the present invention.
Embodiment 1,
A kind of continuous preparation method of polystyrene/polyvinyfluoride fluoride cation exchange membrane, comprising the following steps:
(1) at room temperature, by styrene, crosslinking agent divinylbenzene, initiator dibenzoyl peroxide and solvent N, N- diformazan
Base formamide (2 times of Kynoar quality) is added in reaction kettle, is stirring evenly and then adding into Kynoar, and 65 DEG C are stirred to molten
Solution is at homogeneous phase transparent styrene/Kynoar mixed solution, and wherein styrene and Kynoar mass ratio are 1.0, crosslinking
Agent quality is the 8% of styrene quality, and initiator quality is the 1.5% of styrene quality.
(2) mixed solution polymerize 8~20h in 80 DEG C of initiations, obtains polystyrene/Kynoar jelly；It will be gluey
Object squeezes out, is granulated after precipitating solidification, is dry, obtains polystyrene/Kynoar Archon particle；
(3) use for reference ion exchange resin production method, by Archon particle it is sulfonated after obtain cation exchange resin
Grain；
After cation exchange resin particle, antioxidant and release agent mixed at high speed, filters and squeeze through double screw extruder
After out, until four-roll calendaring unit, after being rolled into prefabricated membrane, upper and lower surface is respectively embedded in the enhancing screen cloth of one layer of preheating, into drum-type
Vulcanize unit, membrane, rolling after cooling obtains polystyrene/Kynoar amberplex.Double screw extruder machine barrel temperature
Degree are as follows: 130~140 DEG C of feeding section, 140~160 DEG C of fluxing zone, 145~155 DEG C of metering section；Four roll temperatures are distinguished from top to bottom
Are as follows: 135~140 DEG C, 130~135 DEG C, 125~130 DEG C, 120~125 DEG C；Vulcanized drum temperature is 170~180 DEG C, and speed is
0.5~5 m/min.
Embodiment 2,
A kind of continuous preparation method of polystyrene/polyvinyfluoride fluoride cation exchange membrane, comprising the following steps:
(1) at room temperature, by styrene, crosslinking agent divinylbenzene, initiator azodiisobutyronitrile and solvent N, N- dimethyl
Acetamide (4 times of Kynoar quality) is added in reaction kettle, is stirring evenly and then adding into Kynoar, 65 DEG C of stirrings to dissolution
At homogeneous phase transparent styrene/Kynoar mixed solution, wherein styrene and Kynoar mass ratio are 0.8, crosslinking agent
Quality is the 8% of styrene quality, and initiator quality is the 2.0% of styrene quality.
(2) mixed solution polymerize 8~20h in 85 DEG C of initiations, obtains polystyrene/Kynoar jelly；It will be gluey
Object squeezes out, is granulated after precipitating solidification, is dry, obtains polystyrene/Kynoar Archon particle；
(3) use for reference ion exchange resin production method, by Archon particle it is sulfonated after obtain cation exchange resin
Grain；
After cation exchange resin particle, antioxidant and release agent mixed at high speed, filters and squeeze through double screw extruder
After out, until four-roll calendaring unit, after being rolled into prefabricated membrane, upper and lower surface is respectively embedded in one layer of enhancing screen cloth, into drum vulcanizer
Group, membrane, rolling after cooling obtain polystyrene/Kynoar amberplex.Double screw extruder barrel temperature are as follows:
130~140 DEG C of feeding section, 140~160 DEG C of fluxing zone, 145~155 DEG C of metering section；Four roll temperatures are respectively as follows: 135 from top to bottom
~140 DEG C, 130~135 DEG C, 125~130 DEG C, 120~125 DEG C；Vulcanized drum temperature is 170~180 DEG C, and speed is 0.5~5
M/min.
Embodiment 3,
A kind of continuous preparation method of polystyrene/polyvinyfluoride fluoride cation exchange membrane, comprising the following steps:
(1) at room temperature, by styrene, crosslinking agent ethylene glycol dimethacrylate, initiator dibenzoyl peroxide and
Solvent n,N-Dimethylformamide (6 times of Kynoar quality) is added in reaction kettle, is stirring evenly and then adding into Kynoar,
70 DEG C are stirred to homogeneous phase transparent styrene/Kynoar mixed solution is dissolved into, wherein styrene and Kynoar quality
Than being 1.0, crosslinking agent quality is the 10% of styrene quality, and initiator quality is the 3.0% of styrene quality.
(2) mixed solution polymerize 8~20h in 90 DEG C of initiations, obtains polystyrene/Kynoar jelly；It will be gluey
Object squeezes out, is granulated after precipitating solidification, is dry, obtains polystyrene/Kynoar Archon particle；
(3) use for reference ion exchange resin production method, by Archon particle it is sulfonated after obtain cation exchange resin
Grain；
(4) it by after cation exchange resin particle, antioxidant and release agent mixed at high speed, is filtered through double screw extruder
After extrusion, until four-roll calendaring unit, after being rolled into prefabricated membrane, upper and lower surface is respectively embedded in one layer of enhancing screen cloth, vulcanizes into drum-type
Unit, membrane, rolling after cooling obtain polystyrene/Kynoar amberplex.Double screw extruder barrel temperature
Are as follows: 130~140 DEG C of feeding section, 140~160 DEG C of fluxing zone, 145~155 DEG C of metering section；Four roll temperatures are respectively as follows: from top to bottom
135~140 DEG C, 130~135 DEG C, 125~130 DEG C, 120~125 DEG C；Vulcanized drum temperature is 170~180 DEG C, speed 0.5
~5 ms/min.
Embodiment 4,
A kind of polystyrene/continuous preparation method of Kynoar anion-exchange membrane, comprising the following steps:
(1) at room temperature, by styrene, crosslinking agent tetramethylene dimethacrylate, initiator azodiisobutyronitrile and
Solvent n,N-dimethylacetamide (8 times of Kynoar quality) is added in reaction kettle, is stirring evenly and then adding into Kynoar,
70 DEG C are stirred to homogeneous phase transparent styrene/Kynoar mixed solution is dissolved into, wherein styrene and Kynoar quality
Than being 0.8, crosslinking agent quality is the 10% of styrene quality, and initiator quality is the 4.0% of styrene quality.
(2) mixed solution polymerize 8~20h in 95 DEG C of initiations, obtains polystyrene/Kynoar jelly；It will be gluey
Object squeezes out, is granulated after precipitating solidification, is dry, obtains polystyrene/Kynoar Archon particle；
(3) production method for using for reference ion exchange resin, obtains yin after chloromethylation and aminating reaction for Archon particle
Ion-exchange resin particles；
(4) it by after anion exchange resin particles, antioxidant and release agent mixed at high speed, is filtered through double screw extruder
After extrusion, until four-roll calendaring unit, after being rolled into prefabricated membrane, upper and lower surface is respectively embedded in one layer of enhancing screen cloth, vulcanizes into drum-type
Unit, membrane, rolling after cooling obtain polystyrene/Kynoar amberplex.Double screw extruder barrel temperature
Are as follows: 130~140 DEG C of feeding section, 140~160 DEG C of fluxing zone, 145~155 DEG C of metering section；Four roll temperatures are respectively as follows: from top to bottom
135~140 DEG C, 130~135 DEG C, 125~130 DEG C, 120~125 DEG C；Vulcanized drum temperature is 170~180 DEG C, speed 0.5
~5 ms/min.
(HY/T 166.1-2013) measuring method according to national standards measures obtained ion exchange film properties,
The results are shown in Table 1.Film resistance is substantially reduced than conventional polystyrene heterogeneous ion-exchange membrane, with homogeneous ion-exchange membrane
Maintain an equal level.
Table 1
The above is only a preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (3)
1. a kind of continuous preparation method of polystyrene/Kynoar amberplex, which is characterized in that including following step
It is rapid:
(1) styrene, crosslinking agent, initiator and solvent are uniformly mixed in a kettle, Kynoar powder is added, adds
Heat, dissolution, obtain homogeneous styrene/Kynoar mixed solution；
(2) above-mentioned mixed solution is obtained into polystyrene/Kynoar jelly through thermal-initiated polymerization；Jelly is squeezed out,
It is granulated, is dry, obtaining polystyrene/Kynoar Archon particle；
(3) use for reference ion exchange resin production method, respectively by Archon particle it is sulfonated after obtain cation exchange resin
Grain, or anion exchange resin particles are obtained after chloromethylation and aminating reaction；
(4) it by after ion-exchange resin particles, antioxidant and release agent mixed at high speed, filters and squeezes out through double screw extruder
Afterwards, until four-roll calendaring unit, after being rolled into prefabricated membrane, upper and lower surface is respectively embedded in one layer of enhancing screen cloth, vulcanize into flat drum type
Unit, membrane, rolling after cooling obtain polystyrene/Kynoar amberplex.
2. the continuous preparation method of polystyrene/Kynoar amberplex, feature exist according to claim 1
In crosslinking agent employed in the step (1) is divinylbenzene, ethylene glycol dimethacrylate or dimethacrylate
Butanediol ester；The usage amount of crosslinking agent is the 5%~12% of styrene quality；
Initiator employed in the step (1) is dibenzoyl peroxide or azodiisobutyronitrile；The usage amount of initiator
It is the 0.5%~5% of styrene quality；
Styrene/Kynoar mixed solution in the step (1), wherein the matter of the styrene and Kynoar that contain
Amount is than being 0.5~1.5；
Release agent is stearic acid or calcium stearate in the step (4)；The dosage of release agent is ion-exchange resin particles quality
0.2~0.4%；Enhancing screen cloth twine material is nylon, terylene or polypropylene fibre.
3. the continuous preparation method of polystyrene/Kynoar amberplex, feature exist according to claim 1
In double screw extruder barrel temperature in the step (4) are as follows: 130~140 DEG C of feeding section, 140~160 DEG C of fluxing zone, meter
145~155 DEG C of section of amount；Four roll temperatures be respectively as follows: from top to bottom 135~140 DEG C, 130~135 DEG C, 125~130 DEG C, 120~
125℃；Vulcanized drum temperature is 170~180 DEG C, and speed is 0.5~5 m/min.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112426887A (en) * | 2020-11-19 | 2021-03-02 | 南通市赛孚环保科技有限公司 | Preparation method of heterogeneous cation exchange membrane |
| CN112646218A (en) * | 2020-12-15 | 2021-04-13 | 南京顺水达环保科技有限公司 | Preparation method of strong acid and strong base resistant anion-cation membrane |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006102671A1 (en) * | 2005-03-24 | 2006-09-28 | E. I. Du Pont De Nemours And Company | Process to prepare stable trifluorostyrene containing compounds grafted to base polymers using a solvent/water mixture |
| CN102512979A (en) * | 2011-12-14 | 2012-06-27 | 浙江大学宁波理工学院 | Manufacture method of polystyrene ion exchange alloy membrane |
| CN102814125A (en) * | 2012-07-25 | 2012-12-12 | 浙江大学宁波理工学院 | Preparation method for polystyrene/polyvinylidene fluoride cation exchange membrane |
| CN105126630A (en) * | 2015-06-23 | 2015-12-09 | 杭州埃尔环保科技有限公司 | Preparation method for continuous production of polyvinyl chloride semi-homogeneous anion and cation exchange membrane |
| CN106466559A (en) * | 2015-08-19 | 2017-03-01 | 辽宁易辰膜科技有限公司 | A kind of method for continuous production of high compactness anion exchange membrane |
| CN106824306A (en) * | 2017-01-05 | 2017-06-13 | 杭州蓝然环境技术有限公司 | The continuous preparation device and its method of a kind of amberplex |
-
2018
- 2018-11-02 CN CN201811298918.3A patent/CN109289547A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006102671A1 (en) * | 2005-03-24 | 2006-09-28 | E. I. Du Pont De Nemours And Company | Process to prepare stable trifluorostyrene containing compounds grafted to base polymers using a solvent/water mixture |
| CN102512979A (en) * | 2011-12-14 | 2012-06-27 | 浙江大学宁波理工学院 | Manufacture method of polystyrene ion exchange alloy membrane |
| CN102814125A (en) * | 2012-07-25 | 2012-12-12 | 浙江大学宁波理工学院 | Preparation method for polystyrene/polyvinylidene fluoride cation exchange membrane |
| CN105126630A (en) * | 2015-06-23 | 2015-12-09 | 杭州埃尔环保科技有限公司 | Preparation method for continuous production of polyvinyl chloride semi-homogeneous anion and cation exchange membrane |
| CN106466559A (en) * | 2015-08-19 | 2017-03-01 | 辽宁易辰膜科技有限公司 | A kind of method for continuous production of high compactness anion exchange membrane |
| CN106824306A (en) * | 2017-01-05 | 2017-06-13 | 杭州蓝然环境技术有限公司 | The continuous preparation device and its method of a kind of amberplex |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112426887A (en) * | 2020-11-19 | 2021-03-02 | 南通市赛孚环保科技有限公司 | Preparation method of heterogeneous cation exchange membrane |
| CN112646218A (en) * | 2020-12-15 | 2021-04-13 | 南京顺水达环保科技有限公司 | Preparation method of strong acid and strong base resistant anion-cation membrane |
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Application publication date: 20190201 |