CN106345313A - Environment-friendly filter membrane - Google Patents
Environment-friendly filter membrane Download PDFInfo
- Publication number
- CN106345313A CN106345313A CN201610830998.7A CN201610830998A CN106345313A CN 106345313 A CN106345313 A CN 106345313A CN 201610830998 A CN201610830998 A CN 201610830998A CN 106345313 A CN106345313 A CN 106345313A
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- parts
- filter membrane
- environment
- antibacterial
- friendly type
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Classifications
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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
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
- B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
-
- 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
- B01D71/72—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of the groups B01D71/46 - B01D71/70 and B01D71/701 - B01D71/702
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/48—Antimicrobial properties
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Filtering Materials (AREA)
Abstract
The invention relates to an environment-friendly filter membrane, made from, by weight, 10-22 parts of polylactic acid fiber, 10-26 parts of polyvinyl alcohol, 10-20 parts of polypropylene, 24-32 parts of polyhydroxyalkanoate, 10-60 parts of a solvent, 6-16 parts of an antibacterial agent, and 6-10 parts of an additive, wherein the antibacterial agent is made by mixing chitosan and potassium sorbate at a mass ratio of 1:(1.7-2.1); the environment-friendly filter membrane has the advantages that the polylactic acid fiber is used in the formulation to prepare the filter membrane, good heat resistance can be imparted to the filter membrane, the filter membrane rarely deforms at high temperature, blockage of pore structure of the filter membrane is avoided, and heating or cooling effect of an air conditioner is greatly improved; under synergy of the components, the filter membrane is imparted long-acting antibacterial capacity and can self-clean; by using environment-friendly hydroxyl acid polyester fatty materials, environment friendliness of the filter membrane is improved.
Description
Technical field
The invention belongs to air-conditioning preparing technical field, it is related to a kind of air conditioner parts, particularly to one
Plant environment-friendly type filter membrane.
Background technology
Air-conditioning does not use for a long time, and its internal wind pipe can gather substantial amounts of dust, typically sets in wind pipe
Put filter membrane, air-out is filtered.Current filtration film dynamic performance and chemical stability are poor, variable under hot environment
Shape, so that the cavernous structure within filter membrane caves in, easily causes the blocking of filter membrane cavernous structure, impact air-conditioning heat or
Refrigeration.
Through retrieval, patent cn 105330294 a discloses automobile environment-protection type filter membrane and preparation method thereof, wherein, institute
State preparation method to include: by carborundum, carboxymethyl cellulose, ceramic bonding agent, activated carbon, Kaolin and ethanol mix homogeneously,
Obtain compound m；Will be dry-pressing formed for described compound m, be supported after sintering base substrate n；By alumina silicate fibre, mullite fiber
It is mixed to form slurry a with ethylene glycol, described support blank n outer surface is smeared described slurry a, after baking, obtain described filtration
Film.Solve current filtration film dynamic performance and chemical stability be poor, under high-temperature ring yielding so that inside filter membrane
Cavernous structure cave in, easily cause the blocking of filter membrane cavernous structure, impact air-conditioning heat or refrigeration problem；But
This automobile environment-protection type filter membrane has the disadvantage in that in filtration membrane filtration processes, often exists and cause a disease in a large number in filtering object
Antibacterial and virus, and this filter membrane cannot effectively suppress and retain pathogenic bacteria, pathogenic bacteria can be attached on filter membrane and be bred, and one
Aspect leads to filter membrane filter effect to decline, and on the one hand will cause and cause secondary pollution.
For this shortcoming, patent cn 104162369 a discloses a kind of antibiotic self-cleaning filter membrane, by following masses part
Number raw material composition: polyvinyl alcohol 10-30 part, polylactic acid 10-30 part, polypropylene 10-30 part, poly butyric ester 10-30 part,
Solvent 20-50 part, additive 1-5 part, antibacterial 5-10 part；Form by mass fraction and add polyvinyl alcohol, poly- breast in solvent
Acid, polypropylene and poly butyric ester, add additive and antibacterial after mix homogeneously, are uniformly mixing to obtain filter membrane slurry,
Slurry is coated and after solidification on nonwoven fabric base bottom, obtains finished product.Preparation method of the present invention is simple, with low cost, and products obtained therefrom has
There is the ability that long acting antibiotic is antibacterial, play self-cleaning effect.But this antibiotic self-cleaning filter membrane haves the shortcomings that certain: 1.
This filter membrane is thermo-labile, yielding in high temperature environments, easily causes the blocking of filter membrane cavernous structure, the system of impact air-conditioning
Heat or refrigeration；2. some raw materials selected in formula, when producing, can produce substantial amounts of carbon dioxide, cause environment
Pollution.
Therefore, research and development one kind can either high temperature resistant heat resistanceheat resistant, there is the antibacterial energy of long acting antibiotic again
The environment-friendly type filter membrane of power is necessary.
Content of the invention
The technical problem to be solved in the present invention be provide one kind can high temperature resistant heat resistanceheat resistant, have again
The environment-friendly type filter membrane of long acting antibiotic bacteriostasis.
For solving above-mentioned technical problem, the technical scheme is that a kind of environment-friendly type filter membrane, its innovative point is:
Be made up of the raw material of following masses number: 10～22 parts of acid fiber by polylactic, 10～26 parts of polyvinyl alcohol, 10～20 parts of polypropylene,
24～32 parts of polyhydroxyalkanoate, 10～60 parts of solvent, 6～16 parts of antibacterial and 6～10 parts of additive；Wherein, described anti-
Microbial inoculum is mixed by chitin and potassium sorbate, and the mass ratio of chitin and potassium sorbate is 1:1.7～2.1.
Further, described solvent is one of formic acid, acetone or dimethylformamide.
Further, described additive is calcium chloride.
It is an advantage of the current invention that:
(1) environment-friendly type filter membrane of the present invention, adopts acid fiber by polylactic in formula, and it has high crystalline and high-orientation, thus
Make that itself there is high-fire resistance and high intensity, be used for preparing filter membrane, filter membrane can be made to have excellent heat resistance, in high temperature
It is unlikely to deform under environment, it is to avoid cause the blocking of filter membrane cavernous structure, substantially increase heating or refrigeration of air-conditioning；With
When, the poly- hydroxyl esters material selection polyhydroxyalkanoate in formula, the production of polyhydroxyalkanoate is a kind of low energy consumption
With the discharge of low carbon dioxide, favourable to environmental conservation, and then prepare a kind of environment-friendly type filter membrane；And each component in formula
All there is the good compatibility, by the synergism of each component so that filter membrane has the antibacterial ability of long acting antibiotic, play
Self-cleaning effect；The mixture of chitin and potassium sorbate selected by antibacterial, compared with independent antibacterial, substantially increases anti-
Bacterium and bacteriostasis.
(2) environment-friendly type filter membrane of the present invention, solvent formic acid, acetone or dimethylformamide in formula, these solvents
It is organic solvent, polyvinyl alcohol can be enable preferably to mix with other components；Additive selects inorganic chlorinating calcium, can effectively change
Become hydrophilicity and the mechanical performance of filter membrane.
Specific embodiment
Environment-friendly type filter membrane of the present invention, is made up of the raw material of following masses number: 10～22 parts of acid fiber by polylactic, polyethylene
10～26 parts of alcohol, 10～20 parts of polypropylene, 24～32 parts of polyhydroxyalkanoate, 10～60 parts of solvent, 6～16 parts of antibacterial and
6～10 parts of additive；Wherein, described antibacterial is mixed by chitin and potassium sorbate, and chitin and potassium sorbate
Mass ratio be 1:1.7～2.1.
As embodiment, more specifically embodiment is one of solvent formic acid, acetone or dimethylformamide,
Additive selects calcium chloride.
Embodiment 1
The present embodiment environment-friendly type filter membrane, is made up of the raw material of following masses number: 10 parts of acid fiber by polylactic, polyvinyl alcohol 26
Part, 20 parts of polypropylene, 32 parts of polyhydroxyalkanoate, 60 parts of acetone solvent, 16 parts of antibacterial and 10 parts of chlorination calcium additive；Its
In, described antibacterial is mixed by chitin and potassium sorbate, and 5.93 parts of chitin, 10.07 parts of potassium sorbate.
Embodiment 2
The present embodiment environment-friendly type filter membrane, is made up of the raw material of following masses number: 10 parts of acid fiber by polylactic, polyvinyl alcohol 26
Part, 20 parts of polypropylene, 32 parts of polyhydroxyalkanoate, 60 parts of acetone solvent, 16 parts of antibacterial and 10 parts of chlorination calcium additive；Its
In, described antibacterial is mixed by chitin and potassium sorbate, and 5.16 parts of chitin, 10.84 parts of potassium sorbate.
Embodiment 3
The present embodiment environment-friendly type filter membrane, is made up of the raw material of following masses number: 10 parts of acid fiber by polylactic, polyvinyl alcohol 26
Part, 20 parts of polypropylene, 32 parts of polyhydroxyalkanoate, 60 parts of acetone solvent, 16 parts of antibacterial and 10 parts of chlorination calcium additive；Its
In, described antibacterial is mixed by chitin and potassium sorbate, and 5.52 parts of chitin, 10.48 parts of potassium sorbate.
Table 1 below is chitin and potassium sorbate mass ratio contrast form in embodiment 1-3:
| Antibacterial | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Chitin | 1 | 1 | 1 |
| Potassium sorbate | 1.7 | 2.1 | 1.9 |
For the performance of testing example 1-3 environment-friendly type filter membrane, embodiment 1-3 environment-friendly type filter membrane each sample is surveyed
Examination, performance test results are shown in Table 2.
The performance test data of table 2 embodiment 1-3 environment-friendly type filter membrane
| Pilot project | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Highest tolerable temperature | 156℃ | 158℃ | 162℃ |
| Purification efficiency | 90% | 91% | 93% |
| Pure water flux | 312l/m2.h | 321l/m2.h | 330l/m2.h |
Conclusion: as can be seen from the above table, the environment-friendly type filter membrane of embodiment 1-3, highest tolerable temperature, up to more than 155 DEG C, enters
And environment-friendly type filter membrane is unlikely to deform in high temperature environments, it is to avoid cause the blocking of filter membrane cavernous structure, substantially increase sky
That adjusts heats or refrigeration；And by the control of additive calcium chloride, the hydrophilicity of filter membrane can be effectively improved, i.e. pure water
Flux is up to 310l/m2.h more than；Meanwhile, by the mutual synergism of each component, also substantially increase the purification of filter membrane
Efficiency, purification efficiency is up to more than 90%；Additionally, embodiment 1-3 is compared the every survey it can be seen that embodiment 3
Examination performance is superior to other two embodiments, thus embodiment 3 is most preferred embodiment.
Embodiment 4
The present embodiment environment-friendly type filter membrane, is made up of the raw material of following masses number: 22 parts of acid fiber by polylactic, polyvinyl alcohol 10
Part, 10 parts of polypropylene, 24 parts of polyhydroxyalkanoate, 10 parts of acetone solvent, 6 parts of antibacterial and 6 parts of chlorination calcium additive；Its
In, described antibacterial is mixed by chitin and potassium sorbate, and 2.07 parts of chitin, 3.93 parts of potassium sorbate.
Embodiment 5
The present embodiment environment-friendly type filter membrane, is made up of the raw material of following masses number: 16 parts of acid fiber by polylactic, polyvinyl alcohol 18
Part, 15 parts of polypropylene, 28 parts of polyhydroxyalkanoate, 35 parts of acetone solvent, 11 parts of antibacterial and 8 parts of chlorination calcium additive；Its
In, described antibacterial is mixed by chitin and potassium sorbate, and 3.79 parts of chitin, 7.21 parts of potassium sorbate.
Table 3 below is each component proportion contrast table lattice in embodiment 1-3:
| Embodiment 3 | Embodiment 4 | Embodiment 5 | |
| Acid fiber by polylactic | 10 | 22 | 16 |
| Polyvinyl alcohol | 26 | 10 | 18 |
| Polypropylene | 20 | 10 | 15 |
| Polyhydroxyalkanoate | 32 | 24 | 28 |
| Solvent | 60 | 10 | 35 |
| Antibacterial | 16 | 6 | 11 |
| Additive | 10 | 6 | 8 |
For the performance of testing example 3-5 environment-friendly type filter membrane, embodiment 3-5 environment-friendly type filter membrane each sample is surveyed
Examination, performance test results are shown in Table 4.
The performance test data of table 4 embodiment 3-5 environment-friendly type filter membrane
| Pilot project | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Highest tolerable temperature | 162℃ | 161℃ | 165℃ |
| Purification efficiency | 93% | 92% | 95% |
| Pure water flux | 330l/m2.h | 329l/m2.h | 338l/m2.h |
Conclusion: as can be seen from the above table, the environment-friendly type filter membrane of embodiment 3-5, highest tolerable temperature, up to more than 160 DEG C, enters
And environment-friendly type filter membrane is unlikely to deform in high temperature environments, it is to avoid cause the blocking of filter membrane cavernous structure, substantially increase sky
That adjusts heats or refrigeration；And by the control of additive calcium chloride, the hydrophilicity of filter membrane can be effectively improved, i.e. pure water
Flux is up to 325l/m2.h more than；Meanwhile, by the mutual synergism of each component, also substantially increase the purification of filter membrane
Efficiency, purification efficiency is up to more than 90%；Additionally, embodiment 3-5 is compared the every survey it can be seen that embodiment 5
Examination performance is superior to other two embodiments, thus embodiment 5 is most preferred embodiment.
Ultimate principle and principal character and the advantages of the present invention of the present invention have been shown and described above.The skill of the industry
The simply explanation it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description for the art personnel
The principle of the present invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these
Changes and improvements both fall within scope of the claimed invention.Claimed scope by appending claims and
Its equivalent thereof.
Claims (3)
1. a kind of environment-friendly type filter membrane it is characterised in that: be made up of the raw material of following masses number:
10～22 parts of acid fiber by polylactic, 10～26 parts of polyvinyl alcohol, 10～20 parts of polypropylene, polyhydroxyalkanoate 24～32
Part, 10～60 parts of solvent, 6～16 parts of antibacterial and 6～10 parts of additive；Wherein, described antibacterial is by chitin and sorbic acid
Potassium mixes, and the mass ratio of chitin and potassium sorbate is 1:1.7～2.1.
2. environment-friendly type filter membrane according to claim 1 it is characterised in that: described solvent is formic acid, acetone or dimethyl
One of Methanamide.
3. environment-friendly type filter membrane according to claim 1 it is characterised in that: described additive be calcium chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610830998.7A CN106345313A (en) | 2016-09-19 | 2016-09-19 | Environment-friendly filter membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610830998.7A CN106345313A (en) | 2016-09-19 | 2016-09-19 | Environment-friendly filter membrane |
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| Publication Number | Publication Date |
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| CN106345313A true CN106345313A (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610830998.7A Pending CN106345313A (en) | 2016-09-19 | 2016-09-19 | Environment-friendly filter membrane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107029560A (en) * | 2017-04-27 | 2017-08-11 | 舒尔环保科技（合肥）有限公司 | A kind of environment-friendly type air filter membrane and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997022405A1 (en) * | 1995-12-18 | 1997-06-26 | Asahi Kasei Kogyo Kabushiki Kaisha | Hollow fiber type filtration membrane |
| JP4381096B2 (en) * | 2003-10-31 | 2009-12-09 | 東洋紡績株式会社 | Hollow fiber membrane for blood purification, method for producing the same and blood purifier |
| CN102302875A (en) * | 2011-07-27 | 2012-01-04 | 东华大学 | Method for preparing antibacterial air-filtering membrane |
| CN102489181A (en) * | 2011-12-09 | 2012-06-13 | 北京碧水源科技股份有限公司 | Method for preparing hetero-structured hollow fiber membranes |
| CN103657452A (en) * | 2014-01-02 | 2014-03-26 | 厦门绿邦膜技术有限公司 | Hollow fiber membrane formed by coating corn polylactic onto corn fibermesh tube and preparation method of hollow fiber membrane |
| CN104162369A (en) * | 2014-07-31 | 2014-11-26 | 宿迁嵘锦信息科技有限公司 | Antibacterial self-cleaning filtration membrane |
| CN104174306A (en) * | 2014-07-31 | 2014-12-03 | 宿迁嵘锦信息科技有限公司 | Antibacterial air filtration film |
-
2016
- 2016-09-19 CN CN201610830998.7A patent/CN106345313A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997022405A1 (en) * | 1995-12-18 | 1997-06-26 | Asahi Kasei Kogyo Kabushiki Kaisha | Hollow fiber type filtration membrane |
| JP4381096B2 (en) * | 2003-10-31 | 2009-12-09 | 東洋紡績株式会社 | Hollow fiber membrane for blood purification, method for producing the same and blood purifier |
| CN102302875A (en) * | 2011-07-27 | 2012-01-04 | 东华大学 | Method for preparing antibacterial air-filtering membrane |
| CN102489181A (en) * | 2011-12-09 | 2012-06-13 | 北京碧水源科技股份有限公司 | Method for preparing hetero-structured hollow fiber membranes |
| CN103657452A (en) * | 2014-01-02 | 2014-03-26 | 厦门绿邦膜技术有限公司 | Hollow fiber membrane formed by coating corn polylactic onto corn fibermesh tube and preparation method of hollow fiber membrane |
| CN104162369A (en) * | 2014-07-31 | 2014-11-26 | 宿迁嵘锦信息科技有限公司 | Antibacterial self-cleaning filtration membrane |
| CN104174306A (en) * | 2014-07-31 | 2014-12-03 | 宿迁嵘锦信息科技有限公司 | Antibacterial air filtration film |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107029560A (en) * | 2017-04-27 | 2017-08-11 | 舒尔环保科技（合肥）有限公司 | A kind of environment-friendly type air filter membrane and preparation method thereof |
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Application publication date: 20170125 |