CN107185413A - A kind of preparation method of MULTILAYER COMPOSITE filter membrane and its water purification layer - Google Patents
A kind of preparation method of MULTILAYER COMPOSITE filter membrane and its water purification layer Download PDFInfo
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- CN107185413A CN107185413A CN201710360566.9A CN201710360566A CN107185413A CN 107185413 A CN107185413 A CN 107185413A CN 201710360566 A CN201710360566 A CN 201710360566A CN 107185413 A CN107185413 A CN 107185413A
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- 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
- B01D69/10—Supported membranes; Membrane supports
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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
- B01D67/0079—Manufacture of membranes comprising organic and inorganic components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
- B32B27/288—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyketones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
- B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
- B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/045—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/06—Vegetal fibres
- B32B2262/062—Cellulose fibres, e.g. cotton
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ceramic Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Laminated Bodies (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses the preparation method of a kind of MULTILAYER COMPOSITE filter membrane and its water purification layer, above-mentioned MULTILAYER COMPOSITE filter membrane includes four layers：First layer is high molecular weight hydrophilic layer, and the second layer is water purification layer, and third layer is supporting layer, and the 4th layer is high molecular weight hydrophilic layer.The invention also discloses the preparation method of above-mentioned water purification layer, following steps are specifically included：（1）The parts by weight of bombax cotton 10 15, the parts by weight of activated carbon 24, the parts by weight of sodium chloride 0.5 1 and the parts by weight of makrolon 68 80 are weighed, adds in homogenizer and is well mixed；（2）By the material after above-mentioned be well mixed, heating is incubated 24 hours, prolongs and be pressed into film, and natural cooling is soaked 48 hours in water, sodium chloride is rinsed well, is dried, and obtains water purification layer.
Description
Technical field
The invention belongs to water-purifying material field, the preparation method of more particularly to a kind of MULTILAYER COMPOSITE filter membrane and its water purification layer.
Background technology
Water filtration be mainly it is a kind of the impurity in water body is filtered out by way of filtering, be by filter membrane will in water it is solid
Body impurity is filtered out, so as to obtain a kind of effective means of water purification.
Filter membrane can be classified into inoranic membrane and organic film according to the difference of material, and inoranic membrane mainly has ceramic membrane and metal
Film, its filtering accuracy is relatively low, and selectivity is smaller.Organic film is then mainly made up of high polymer material, such as cellulose acetate, aromatic series
Polyamide, polyether sulfone, poly- fluoropolymer etc..But filter membrane can only usually filter water insoluble solid impurity, for some energy
The impurity and miscellaneous bacteria removal effect for being dissolved in water body is not good.
The content of the invention
For above-mentioned demand, invention especially provides the preparation method of a kind of MULTILAYER COMPOSITE filter membrane and its water purification layer.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of MULTILAYER COMPOSITE filter membrane, the MULTILAYER COMPOSITE filter membrane includes four layers：First layer is high molecular weight hydrophilic layer, and the second layer is water purification
Layer, third layer is supporting layer, and the 4th layer is high molecular weight hydrophilic layer.
The high molecular weight hydrophilic layer includes the blend of polyethylene glycol, polyvinyl chloride and chitosan composition.
Wherein, the mass ratio of the polyethylene glycol, the polyvinyl chloride and the chitosan is 2-2.5:1:1-1.5.
The water purification layer includes the loose structure that the blend of bombax cotton, activated carbon and makrolon is made.
Wherein, the mass ratio of the bombax cotton, the activated carbon and the makrolon is 10-15:2-4：68-80.
The makrolon includes the polymer of 5- benzyloxy-trimethylene carbonates.
The supporting layer includes polyacrylonitrile fibre, nano silicon, the blend of epoxide modified silicone resin composition.
Wherein, the polyacrylonitrile fibre, the nano silicon, the mass ratio of the epoxide modified silicone resin are
5-7:0.2：1-1.5.
The water purification layer between the supporting layer with acyl-oxygen key with being connected.
A kind of preparation method of water purification layer, specifically includes following steps：
（1）Weigh bombax cotton 10-15 parts by weight, activated carbon 2-4 parts by weight, sodium chloride 0.5-1 parts by weight and makrolon 68-
80 parts by weight, add in homogenizer and are well mixed；
（2）By the material after above-mentioned be well mixed, heating is incubated 2-4 hours, prolongs and be pressed into film, natural cooling soaks 4- in water
8 hours, sodium chloride is rinsed well, dried, obtain water purification layer.
Step（2）Described in the temperature that heats be 170-180 DEG C.
Compared with prior art, its advantage is the present invention：
（1）The MULTILAYER COMPOSITE filter membrane of the present invention, including high molecular weight hydrophilic layer, water purification layer, supporting layer, high molecular weight hydrophilic four layers of material of layer
Material composition, by the characteristic property of each layer, by four layers of special construction, on the premise of stability and mechanical strength is ensured,
Give the good drainage of the filter membrane, purifying water effect.
（2）The design that the MULTILAYER COMPOSITE filter membrane of the present invention passes through hydrophilic layer so that drainage rate is more quick；Pass through water purification
The design of layer, makes the effect of water purification more notable；By the design of supporting layer, make the MULTILAYER COMPOSITE filter membrane that there is good mechanics
Strength and stability, can be used for multiple times.
（3）The MULTILAYER COMPOSITE filter membrane of the present invention, performance is stable, and impurity is not brought into Water treatment, and can be to being dissolved in water
In impurity also have good removal effect.
（4）The water purification layer of the present invention has vesicular texture, and material non-toxic is harmless, can not only play good water purification effect
Really, and with longer service life.
Embodiment
The present invention is further illustrated with reference to embodiments.
Embodiment 1
The preparation of supporting layer：Polyacrylonitrile fibre 70kg, nano silicon 0.2kg, epoxide modified silicone resin 1.5kg are added
Enter in double screw extruder and melted at 215 DEG C, extruded, dried, press mold, be supported layer material.
Embodiment 2
The preparation of supporting layer：Polyacrylonitrile fibre 50kg, nano silicon 0.2kg, epoxide modified silicone resin 1kg are added
Melt, extrude at 215 DEG C in double screw extruder, dry, press mold, be supported layer material.
Embodiment 3
The preparation of water purification layer：Bombax cotton 15kg, activated carbon 2kg, sodium chloride 0.5kg and makrolon 68kg are weighed, is added equal
It is well mixed in matter machine；By the material after above-mentioned be well mixed, heating is incubated 2 hours at 170 DEG C, prolongs and be pressed into film, naturally cold
But, soaked 4 hours in water, sodium chloride is rinsed well, dried, obtain water purification layer.
Wherein, the makrolon is the polymer of 5- benzyloxy-trimethylene carbonates.
Embodiment 4
The preparation of water purification layer：Bombax cotton 10kg, activated carbon 4kg, sodium chloride 1kg and makrolon 80kg are weighed, homogeneous is added
It is well mixed in machine；By the material after above-mentioned be well mixed, heating is incubated 4 hours at 180 DEG C, prolongs and be pressed into film, naturally cold
But, soaked 8 hours in water, sodium chloride is rinsed well, dried, obtain water purification layer.
Wherein, the makrolon is the polymer of 5- benzyloxy-trimethylene carbonates.
Embodiment 5
The supporting layer of the water purification layer of embodiment 3 and embodiment 1 is immersed to paraphthaloyl chloride 2kg and ethyl acetate 90kg mixing
In thing, interfacial reaction is carried out at 40 DEG C 20 seconds, taking-up is dried, then immerses p-phenylenediamine 2kg, sodium hydroxide 0.8kg and water
In 90kg mixture, reacted 15 minutes at 80 DEG C, by above-mentioned reaction by the water purification of embodiment 3 layer and the branch of embodiment 1
Support layer carries out acyl-oxygen key and is connected.
Embodiment 6
The supporting layer of the water purification layer of embodiment 4 and embodiment 2 is immersed to paraphthaloyl chloride 2kg and ethyl acetate 90kg mixing
In thing, interfacial reaction is carried out at 40 DEG C 20 seconds, taking-up is dried, then immerses p-phenylenediamine 2kg, sodium hydroxide 0.8kg and water
In 90kg mixture, reacted 15 minutes at 80 DEG C, by above-mentioned reaction by the water purification of embodiment 4 layer and the branch of embodiment 2
Support layer carries out acyl-oxygen key and is connected.
Embodiment 7
Polyethylene glycol 2kg, polyvinyl chloride 1kg and chitosan 1kg are well mixed, solvent dimethylformamide is added at 100 DEG C
It is lower well mixed, 2 hours are incubated, high molecular weight hydrophilic layer material；
Above-mentioned high molecular weight hydrophilic material is evenly applied to the upper and lower surface of material made from embodiment 5, dried at 150 DEG C,
Obtain MULTILAYER COMPOSITE filter membrane.
Embodiment 8
Polyethylene glycol 2.5kg, polyvinyl chloride 1kg and chitosan 1.5kg are well mixed, solvent dimethylformamide is added and exists
It is well mixed at 100 DEG C, is incubated 2 hours, high molecular weight hydrophilic layer material；
Above-mentioned high molecular weight hydrophilic material is evenly applied to the upper and lower surface of material made from embodiment 6, dried at 150 DEG C,
Obtain MULTILAYER COMPOSITE filter membrane.
By made from embodiment 5,7 and 8 material carry out sewage water filtration, contrast filtering before and after water body, concrete outcome see
Table 1.
Table 1
| Test event | Embodiment 5 | Embodiment 7 | Embodiment 8 |
| Turbidity removal rate（%） | 82 | 97 | 98 |
| Heavy metal removing rate（%） | 55 | 84 | 81 |
Claims (8)
1. a kind of MULTILAYER COMPOSITE filter membrane, it is characterised in that the MULTILAYER COMPOSITE filter membrane includes four layers：First layer is high molecular weight hydrophilic
Layer, the second layer is water purification layer, and third layer is supporting layer, and the 4th layer is high molecular weight hydrophilic layer.
2. multilayer according to claim 1 checks filter membrane, it is characterised in that the high molecular weight hydrophilic layer includes poly- second two
The blend of alcohol, polyvinyl chloride and chitosan composition.
3. multilayer according to claim 1 checks filter membrane, it is characterised in that the water purification layer includes bombax cotton, activity
The loose structure that the blend of charcoal and makrolon is made.
4. multilayer according to claim 3 checks filter membrane, it is characterised in that the makrolon includes 5- benzyloxies-three
The polymer of carbonate.
5. multilayer according to claim 1 checks filter membrane, it is characterised in that the supporting layer include polyacrylonitrile fibre,
The blend of nano silicon, epoxide modified silicone resin composition.
6. multilayer according to claim 1 checks filter membrane, it is characterised in that between the water purification layer and the supporting layer with
Acyl-oxygen key is connected.
7. the preparation method of water purification layer according to claim 1, it is characterised in that specifically include following steps：
（1）Weigh bombax cotton 10-15 parts by weight, activated carbon 2-4 parts by weight, sodium chloride 0.5-1 parts by weight and makrolon 68-
80 parts by weight, add in homogenizer and are well mixed；
（2）By the material after above-mentioned be well mixed, heating is incubated 2-4 hours, prolongs and be pressed into film, natural cooling soaks 4- in water
8 hours, sodium chloride is rinsed well, dried, obtain water purification layer.
8. the preparation method of water purification layer according to claim 1, it is characterised in that step（2）Described in the temperature that heats
For 170-180 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710360566.9A CN107185413A (en) | 2017-05-21 | 2017-05-21 | A kind of preparation method of MULTILAYER COMPOSITE filter membrane and its water purification layer |
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| CN201710360566.9A CN107185413A (en) | 2017-05-21 | 2017-05-21 | A kind of preparation method of MULTILAYER COMPOSITE filter membrane and its water purification layer |
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| CN107185413A true CN107185413A (en) | 2017-09-22 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7172075B1 (en) * | 2003-08-08 | 2007-02-06 | Accord Partner Limited | Defect free composite membranes, method for producing said membranes and use of the same |
| CN202448419U (en) * | 2012-02-20 | 2012-09-26 | 北京泰合源通生物科技有限公司 | Anti-polluting modified polycarbonate film |
| CN102698614A (en) * | 2012-06-16 | 2012-10-03 | 浙江大学 | Tubular nanofiltration membrane with multi-layer structure and preparation method thereof |
| CN105644085A (en) * | 2015-12-31 | 2016-06-08 | 中国科学院烟台海岸带研究所 | Multilayer composite nanofiber film and application thereof |
-
2017
- 2017-05-21 CN CN201710360566.9A patent/CN107185413A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7172075B1 (en) * | 2003-08-08 | 2007-02-06 | Accord Partner Limited | Defect free composite membranes, method for producing said membranes and use of the same |
| CN202448419U (en) * | 2012-02-20 | 2012-09-26 | 北京泰合源通生物科技有限公司 | Anti-polluting modified polycarbonate film |
| CN102698614A (en) * | 2012-06-16 | 2012-10-03 | 浙江大学 | Tubular nanofiltration membrane with multi-layer structure and preparation method thereof |
| CN105644085A (en) * | 2015-12-31 | 2016-06-08 | 中国科学院烟台海岸带研究所 | Multilayer composite nanofiber film and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| 赵广超等: "《环境学实验》", 31 December 2016, 安徽师范大学出版社 * |
| 黄维菊等: "《膜分离技术概论》", 31 March 2008, 国防工业出版社 * |
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