CN108097061A - A kind of plate membrane and its production method - Google Patents
A kind of plate membrane and its production method Download PDFInfo
- Publication number
- CN108097061A CN108097061A CN201711490097.9A CN201711490097A CN108097061A CN 108097061 A CN108097061 A CN 108097061A CN 201711490097 A CN201711490097 A CN 201711490097A CN 108097061 A CN108097061 A CN 108097061A
- Authority
- CN
- China
- Prior art keywords
- plate membrane
- pore
- production method
- film
- foaming agent
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/06—Flat membranes
-
- 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
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0011—Casting solutions therefor
-
- 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
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0013—Casting processes
-
- 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
- B01D71/66—Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
- B01D71/68—Polysulfones; Polyethersulfones
Abstract
The present invention proposes a kind of plate membrane and its production method, and raw material is made of the component of following mass percent, and form a film main material, and 10 20%；Form a film assistant high molecular material, and 0.5 1.0%；Pore-foaming agent, 8 15%；Remaining is solvent.The plate membrane of the present invention, aperture is suitable, flux is big, is suitble to large-scale promotion application.
Description
Technical field
The present invention relates to water technology more particularly to a kind of plate membranes and its production method.
Background technology
Membrane separation technique is more and more ripe, and diversified forms, the film of various material have made corresponding component, meets
Various uses.These membrane modules possess certain asymmetry, such as single skin hollow-fibre membrane, and one side cortex is fine and close, on one side
Cortex aperture is very big, but under equal pressure, pure water passes through pure water flux gap very little from either side.Besides tubular membrane or
Periosteum is supported, gap major embodiment filtered fluid will not make component failures in which side flowing.Membrane module is not damaged in low-pressure
In the case of, the interior external pressure pure water flux of both types component is basically identical.It has not yet to see and changes Inlet and outlet water direction, film
Product of the pure water flux gap of component at 2 times or more.Meanwhile the theoretical also gradual perfection of film.Traditional viewpoint thinks,
It closes on than the film formulation more than 0.55, can just make that aperture is suitable, and have the film of certain flux.It closes on than below 0.50,
The hole of film forming can be less than normal, but flux declines faster, does not possess formula value.
The content of the invention
In view of this, the present invention proposes the plate membrane and its production method that a kind of aperture is suitable, flux is big.
The technical proposal of the invention is realized in this way：
On the one hand, the present invention provides a kind of plate membrane, raw material is made of the component of following mass percent,
Form a film main material, 10-20%
Form a film assistant high molecular material, 0.5-1.0%
Pore-foaming agent, 8-15%
Remaining is solvent.
On the basis of above technical scheme, it is preferred that the film forming main material is polyether sulfone.
On the basis of above technical scheme, it is preferred that the film forming assistant high molecular material and polyether sulfone part phase
Hold.
On the basis of above technical scheme, it is preferred that it is described film forming assistant high molecular material for polyvinyl chloride, polysulfones,
Mixture more than one or both of Kynoar.
On the basis of above technical scheme, it is preferred that the dissolving sexual satisfaction of the pore-foaming agent, the quality point of polyether sulfone
When number is 20%, pore-foaming agent：Solvent quality ratio=4:When (5-2), uniform casting solution can be formed.
On the basis of above technical scheme, it is preferred that the pore-foaming agent is polyethylene glycol, tetraethylene glycol, diethylene glycol two
Mixture more than one or both of ether, diethylene glycol ether.
On the other hand, the present invention provides a kind of production method of plate membrane, comprise the following steps,
S1, by shape when stirring and dissolving 24 is small at 80 DEG C after the component input container of mass percent described in claim 1
Into casting solution；
S2, standing and defoaming are cooled to 35 DEG C, the knifing on tablet；
S3 is immersed after exposing 3-10 seconds in air in 25 DEG C of pure water, and float is with putting down after casting solution is progressively molded
Plate is separated to get required plate membrane.
On the basis of above technical scheme, it is preferred that step S2 middle plateforms are impermeable level board.Specifically, using glass
Glass plate.
On the basis of above technical scheme, it is preferred that the thickness that casting solution is controlled during step S2 knifing is 0.1-0.3
Millimeter.
The plate membrane and its production method of the present invention has the advantages that compared with the prior art：
(1) plate membrane of the invention, aperture is suitable, flux is big, is suitble to large-scale promotion application.
Specific embodiment
Below in conjunction with embodiment of the present invention, the technical solution in embodiment of the present invention is carried out clearly and completely
Description, it is clear that described embodiment is only the embodiment of a part of embodiment of the present invention rather than whole.Base
Embodiment in the present invention, the institute that those of ordinary skill in the art are obtained without making creative work
There is other embodiment, belong to the scope of protection of the invention.
Embodiment 1
The plate membrane of the present embodiment, raw material are made of the component of following mass percent,
Polyether sulfone, 10%
Polyvinyl chloride, 0.5%
Polyethylene glycol, 8-15%
Remaining is solvent.
The plate membrane preparation process of the present embodiment is as follows：
S1 will form casting solution when stirring and dissolving 24 is small at 80 DEG C after raw material components input container；
S2, standing and defoaming are cooled to 35 DEG C, the knifing on tablet；
S3 immerses in 25 DEG C of pure water, float and tablet after casting solution is progressively molded after exposing 10 seconds in air
Separation is to get required plate membrane.
Embodiment 2
The plate membrane of the present embodiment, raw material are made of the component of following mass percent,
Polyether sulfone, 15%
Polysulfones, 0.8%
Tetraethylene glycol, 8-15%
Remaining is solvent.
The plate membrane preparation process of the present embodiment is as follows：
S1 will form casting solution when stirring and dissolving 24 is small at 80 DEG C after raw material components input container；
S2, standing and defoaming are cooled to 35 DEG C, the knifing on tablet；
S3 immerses in 25 DEG C of pure water, float and tablet after casting solution is progressively molded after exposing 3 seconds in air
Separation is to get required plate membrane.
Embodiment 3
The plate membrane of the present embodiment, raw material are made of the component of following mass percent,
Polyether sulfone, 20%
Kynoar, 1.0%
Diethylene glycol diethyl ether, 8-15%
Remaining is solvent.
The plate membrane preparation process of the present embodiment is as follows：
S1 will form casting solution when stirring and dissolving 24 is small at 80 DEG C after raw material components input container；
S2, standing and defoaming are cooled to 35 DEG C, the knifing on tablet；
S3 immerses in 25 DEG C of pure water, float and tablet after casting solution is progressively molded after exposing 7 seconds in air
Separation is to get required plate membrane.
The foregoing is merely the better embodiments of the present invention, are not intended to limit the invention, all the present invention's
Spirit and principle within, any modifications, equivalent replacements and improvements are made, should be included in protection scope of the present invention it
It is interior.
Claims (9)
1. a kind of plate membrane, it is characterised in that：Its raw material is made of the component of following mass percent,
Form a film main material, 10-20%
Form a film assistant high molecular material, 0.5-1.0%
Pore-foaming agent, 8-15%
Remaining is solvent.
2. plate membrane as described in claim 1, it is characterised in that：The film forming main material is polyether sulfone.
3. plate membrane as described in claim 1, it is characterised in that：The film forming assistant high molecular material and polyether sulfone part phase
Hold.
4. plate membrane as described in claim 1, it is characterised in that：The film forming assistant high molecular material is polyvinyl chloride, gathers
Mixture more than one or both of sulfone, Kynoar.
5. plate membrane as described in claim 1, it is characterised in that：The dissolving sexual satisfaction of the pore-foaming agent, the quality of polyether sulfone
When fraction is 20%, pore-foaming agent：Solvent quality ratio=4:When (5-2), uniform casting solution can be formed.
6. plate membrane as described in claim 1, it is characterised in that：The pore-foaming agent is polyethylene glycol, tetraethylene glycol, diethylene glycol
Mixture more than one or both of diethyl ether, diethylene glycol ether.
7. a kind of production method of plate membrane, it is characterised in that：Comprise the following steps,
S1 is cast being formed when stirring and dissolving 24 is small at 80 DEG C after the component input container of mass percent described in claim 1
Film liquid；
S2, standing and defoaming are cooled to 35 DEG C, the knifing on tablet；
S3 is immersed after exposing 3-10 seconds in air in 25 DEG C of pure water, float and tablet point after casting solution is progressively molded
From to get required plate membrane.
8. the production method of plate membrane as claimed in claim 7, it is characterised in that：Step S2 middle plateforms are impermeable level board.
9. the production method of plate membrane as claimed in claim 7, it is characterised in that：The thickness of casting solution is controlled during step S2 knifing
It spends for 0.1-0.3 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711490097.9A CN108097061A (en) | 2017-12-30 | 2017-12-30 | A kind of plate membrane and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711490097.9A CN108097061A (en) | 2017-12-30 | 2017-12-30 | A kind of plate membrane and its production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108097061A true CN108097061A (en) | 2018-06-01 |
Family
ID=62215395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711490097.9A Pending CN108097061A (en) | 2017-12-30 | 2017-12-30 | A kind of plate membrane and its production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108097061A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110548423A (en) * | 2019-08-28 | 2019-12-10 | 陈泉学 | Modified ultrafiltration membrane and modification method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624061A (en) * | 2015-02-02 | 2015-05-20 | 曾生 | Production method of flat sheet membrane |
| CN106621862A (en) * | 2016-12-30 | 2017-05-10 | 北京清大国华环境股份有限公司 | Anti-dirt blockage type PVDF (polyvinylidene fluoride) modified membrane and preparation method thereof |
-
2017
- 2017-12-30 CN CN201711490097.9A patent/CN108097061A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624061A (en) * | 2015-02-02 | 2015-05-20 | 曾生 | Production method of flat sheet membrane |
| CN106621862A (en) * | 2016-12-30 | 2017-05-10 | 北京清大国华环境股份有限公司 | Anti-dirt blockage type PVDF (polyvinylidene fluoride) modified membrane and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110548423A (en) * | 2019-08-28 | 2019-12-10 | 陈泉学 | Modified ultrafiltration membrane and modification method thereof |
| CN110548423B (en) * | 2019-08-28 | 2022-04-01 | 陈泉学 | Modified ultrafiltration membrane and modification method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104624061B (en) | A kind of production method of Flat Membrane | |
| CN107899266B (en) | A kind of continuous crystallisation process of Multistage Membranes control | |
| CN108097061A (en) | A kind of plate membrane and its production method | |
| CN106268378A (en) | A kind of preparation method of hollow fiber compound nanofiltration membrane | |
| CN104324623A (en) | Composite reverse osmosis basal membrane and preparation method thereof | |
| CN104292473B (en) | A kind of preparation method of polyisoprene latex | |
| EP3022254A1 (en) | Separating a polyarylene ether solution | |
| CN100435920C (en) | Method for preparing ultrafiltration film of poly-ether-sulfone and anti-protein-contamination type | |
| CN107815164A (en) | Boiling range is the preparation method of 175~205 DEG C of the low naphthalene aromatic solvent of C+10 heavy aromatic hydrocarbon | |
| CN108246115A (en) | A kind of preparation method of biological detection flat micro-filtration | |
| CN106362602A (en) | Hollow fiber hydrophobic membrane and preparation method thereof | |
| CN102580575A (en) | Method for producing polyvinylidene fluoride membrane for membrane distillation | |
| CN106277128A (en) | A kind of economic benefits and social benefits forced-circulation evaporation system | |
| CN103831026B (en) | A kind of production technology of high rejection composite hollow fiber nano | |
| CN203861966U (en) | Degasser for dissolved gas in coating solution | |
| CN104841295A (en) | Mesoporous silica sphere/semi-aromatic polyamide nano-composite reverse osmosis membrane and preparation method thereof | |
| CN109852985B (en) | Water electrolysis hydrogen production device with gas pre-purification function | |
| CN103466655B (en) | The method of ammonia absorption plant and preparation ultra-clean high-purity ammonium hydroxide | |
| US11458438B2 (en) | Polyurethane/polyvinylidene fluoride composite membrane for extracting organic sulfide from naphtha and preparation method therefor | |
| CN107892644A (en) | A kind of method that xylitol is reclaimed from more subcrystalline Xylitol mother liquor | |
| CN103933879A (en) | Producing method for high-flux ultrafiltration membrane component capable of retaining endotoxin | |
| CN103599245A (en) | Novel compound colla corii asini pulp and preparation process thereof | |
| CN106348393A (en) | Membrane distillation system and membrane distillation method | |
| CN107540075A (en) | The replaceable online low pressure hydrogen-rich water preparation apparatus of molten hydrogen component | |
| CN104928928A (en) | Polytetrafluoroethylene glass fiber breathable varnished cloth and formula |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180601 |