CN105854643A - Antibacterial ultrafiltration membrane - Google Patents
Antibacterial ultrafiltration membrane Download PDFInfo
- Publication number
- CN105854643A CN105854643A CN201610429273.7A CN201610429273A CN105854643A CN 105854643 A CN105854643 A CN 105854643A CN 201610429273 A CN201610429273 A CN 201610429273A CN 105854643 A CN105854643 A CN 105854643A
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- ultrafilter membrane
- antibiotic property
- complex antimicrobials
- hydroxy
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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
-
- 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
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
- B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile
-
- 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 Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention discloses an antibacterial ultrafiltration membrane. The antibacterial ultrafiltration membrane is prepared from, by weight, 40-55 parts of polyacrylonitrile, 5-15 parts of polyvinylpyrrolidone, 1-2.5 parts of inorganic particles, 50-100 parts of a solvent, 2-3.5 parts of a compound antibacterial agent and 0.8-3 parts of an antioxidant, wherein the compound antibacterial agent is prepared by polymerizing N-(4-hydroxyl-3-methoxyl benzyl)acrylamide, 2-hydroxyethyl methacrylate and N,N-dimethylamino-ethyl methacrylate. The antibacterial ultrafiltration membrane is good in antibacterial property, excellent in anti-fouling performance and thermal stability and long in service life.
Description
Technical field
The present invention relates to technology field of membrane materials, particularly relate to a kind of antibiotic property ultrafilter membrane.
Background technology
Polyacrylonitrile is another polymer being commonly used to prepare ultrafilter membrane being only second to cellulose acetate and polysulfones,
It has preferable hydrolysis, heat-resisting, chemical stability and antioxygenic property, prepared film at present the most by
It is widely used in the fields such as ultrafiltration, dialysis, seepage slope.But, polyacrylonitrile is hydrophobic material, institute
The film of preparation easily produces fouling membrane, and it is less desirable to add its anti-microbial property, shortens the use longevity of film
Life, adds cost of investment, in actual application, often it is carried out copolymerization, blended, plasma
Modifies, chemical modifications etc., improve its performance, but its effect are the most less desirable.
Summary of the invention
The technical problem existed based on background technology, the present invention proposes a kind of antibiotic property ultrafilter membrane, and it is antibacterial
Performance is good, and antifouling property and thermal stability are excellent, and service life is long.
A kind of antibiotic property ultrafilter membrane that the present invention proposes, its raw material includes by weight: polyacrylonitrile 40-55 part,
Polyvinylpyrrolidone 5-15 part, inorganic particulate 1-2.5 part, solvent 50-100 part, complex antimicrobials 2-3.5
Part, antioxidant 0.8-3 part；
Wherein, described complex antimicrobials is by N-(4-hydroxy 3-methoxybenzene methyl) acrylamide, 2-methyl-prop
Olefin(e) acid hydroxyl ethyl ester, N, N-dimethylaminoethyl methacrylate are polymerized.
Preferably, its raw material includes by weight: polyacrylonitrile 45-50 part, polyvinylpyrrolidone 7-11 part,
Inorganic particulate 1.5-2 part, solvent 70-85 part, complex antimicrobials 2.5-3 part, antioxidant 1-1.6 part.
Preferably, in its raw material, described inorganic particulate is mesoporous silicon oxide, silver ion loaded zeolite molecule
One or more mixture in sieve, nano-calcium carbonate, nano zine oxide, nano zircite.
Preferably, described solvent be ethanol, DMF, N,N-dimethylacetamide, two
One or more mixture in methyl sulfoxide, acetone, trifluoroacetic acid.
Preferably, described complex antimicrobials is prepared according to following technique: by N-(4-hydroxy-3-methoxy
Benzyl) acrylamide adds in dimethylformamide and stirs, and is warming up to 65-75 DEG C, logical nitrogen, add
Enter 2-hydroxyethyl methylacrylate aqueous solution, N, N-dimethylaminoethyl methacrylate aqueous solution and azo two
Isopropyl cyanide aqueous solution, reacts 10-20h at 70-85 DEG C, and reaction obtains described complex antimicrobials after terminating.
Preferably, in the preparation of complex antimicrobials, N-(4-hydroxy 3-methoxybenzene methyl) acrylamide,
2-hydroxyethyl methylacrylate, N, the mol ratio of N-dimethylaminoethyl methacrylate is 2-5:1-3:1-5.
Preferably, described antioxidant be pentaerythritol tetrathioglycollate, three (2,4-di-tert-butyl-phenyl) phosphite ester,
One or more mixture in β-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid octadecanol ester.
Preferably, its raw material includes by weight: polyacrylonitrile 48 parts, polyvinylpyrrolidone 10 parts, Jie
Hole silicon dioxide 0.3 part, 0.5 part of silver ion loaded zeolite molecular sieve, nano-calcium carbonate 0.6 part, nano oxidized
0.4 part of zinc, N,N-dimethylacetamide 35 parts, trifluoroacetic acid 45 parts, complex antimicrobials 2.4 parts, three (2,4-
Di-tert-butyl-phenyl) phosphite ester 0.5 part, β-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid octadecanol
Ester 0.7 part.
Antibiotic property ultrafilter membrane of the present invention is prepared according to following technique: added by polyacrylonitrile in solvent,
It is stirring evenly and then adding into surplus stock, after stirring, obtains casting solution, after casting solution is filtered with non-woven fabrics
Vacuum defoamation, then applies on a glass, immerses gel film forming in water-bath in atmosphere, soak after volatilization
Rear taking-up obtains described antibiotic property ultrafilter membrane.
In the raw material of antibiotic property ultrafilter membrane of the present invention, add complex antimicrobials and be modified, wherein, described
Complex antimicrobials by N-(4-hydroxy 3-methoxybenzene methyl) acrylamide, 2-hydroxyethyl methylacrylate,
N, N-dimethylaminoethyl methacrylate is polymerized, and it is by N-(4-hydroxy 3-methoxybenzene methyl) propylene
Amide, 2-hydroxyethyl methylacrylate, the character of N, N-dimethylaminoethyl methacrylate three are combined into
Integrally, addition system is uniformly dispersed in system, after coordinating with inorganic particulate, makes the finger that ultrafilter membrane is formed
Shape hole connectivity is good, can extend to bottom film, gives the stable membrane flux that ultrafilter membrane is excellent so that it is up to
163.5L/m2.h, more than, rejection is more than 83.3%, improves the hydrophilic of film simultaneously, it addition, because of by N-(4-
Hydroxy 3-methoxybenzene methyl) acrylamide, 2-hydroxyethyl methylacrylate, N, N-dimethylamino methyl third
Olefin(e) acid ethyl ester three are combined into one, and has the character of three simultaneously, and bears with the silver ion in inorganic particulate
Carrying zeolite molecular sieve and nano zine oxide coordinates, give the biocidal property that ultrafilter membrane is excellent, its bacteriostasis rate is up to 92.6%
Above, its cleaning caudacoria flux recovery rate is higher simultaneously, and more than 98.9%, antifouling property is excellent.
Detailed description of the invention
Below, by specific embodiment, technical scheme is described in detail.
Embodiment 1
A kind of antibiotic property ultrafilter membrane that the present invention proposes, its raw material includes by weight: polyacrylonitrile 40 parts,
Polyvinylpyrrolidone 15 parts, inorganic particulate 2.5 parts, solvent 50 parts, complex antimicrobials 3.5 parts, antioxidant
0.8 part；
Wherein, described complex antimicrobials is by N-(4-hydroxy 3-methoxybenzene methyl) acrylamide, 2-methyl-prop
Olefin(e) acid hydroxyl ethyl ester, N, N-dimethylaminoethyl methacrylate are polymerized.
Embodiment 2
A kind of antibiotic property ultrafilter membrane that the present invention proposes, its raw material includes by weight: polyacrylonitrile 55 parts,
Polyvinylpyrrolidone 5 parts, inorganic particulate 1 part, solvent 100 parts, complex antimicrobials 2 parts, 3 parts of antioxidant；
Wherein, described complex antimicrobials is by N-(4-hydroxy 3-methoxybenzene methyl) acrylamide, 2-methyl-prop
Olefin(e) acid hydroxyl ethyl ester, N, N-dimethylaminoethyl methacrylate are polymerized.
Embodiment 3
A kind of antibiotic property ultrafilter membrane that the present invention proposes, its raw material includes by weight: polyacrylonitrile 45 parts,
Polyvinylpyrrolidone 11 parts, 1 part of silver ion loaded zeolite molecular sieve, nano-calcium carbonate 0.5 part, ethanol 85
Part, complex antimicrobials 2.5 parts, pentaerythritol tetrathioglycollate 1.6 parts；
Wherein, described complex antimicrobials is by N-(4-hydroxy 3-methoxybenzene methyl) acrylamide, 2-methyl-prop
Olefin(e) acid hydroxyl ethyl ester, N, N-dimethylaminoethyl methacrylate are polymerized；Described complex antimicrobials according to
Lower technique is prepared: added in dimethylformamide by N-(4-hydroxy 3-methoxybenzene methyl) acrylamide
Stir, be warming up to 75 DEG C, logical nitrogen, add 2-hydroxyethyl methylacrylate aqueous solution, N, N-diformazan
Ammonio methacrylate ethyl ester aqueous solution and azodiisobutyronitrile aqueous solution, react 20h, reaction knot at 70 DEG C
Described complex antimicrobials is obtained after bundle；Wherein, N-(4-hydroxy 3-methoxybenzene methyl) acrylamide, 2-first
Base 2-(Acryloyloxy)ethanol, N, the mol ratio of N-dimethylaminoethyl methacrylate is 2:3:1.
Embodiment 4
A kind of antibiotic property ultrafilter membrane that the present invention proposes, its raw material includes by weight: polyacrylonitrile 50 parts,
Polyvinylpyrrolidone 7 parts, mesoporous silicon oxide 0.2 part, 0.3 part of silver ion loaded zeolite molecular sieve, nanometer
Calcium carbonate 0.2 part, nano zine oxide 1 part, nano zircite 0.3 part, DMF 15 parts, N,
N-dimethyl acetylamide 10 parts, dimethyl sulfoxide 45 parts, complex antimicrobials 3 parts, pentaerythritol tetrathioglycollate 0.3 part,
Three (2,4-di-tert-butyl-phenyl) phosphite ester 0.1 part, β-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid ten
Eight carbon alcohol esters 0.6 part；
Wherein, described complex antimicrobials is by N-(4-hydroxy 3-methoxybenzene methyl) acrylamide, 2-methyl-prop
Olefin(e) acid hydroxyl ethyl ester, N, N-dimethylaminoethyl methacrylate are polymerized；Described complex antimicrobials according to
Lower technique is prepared: added in dimethylformamide by N-(4-hydroxy 3-methoxybenzene methyl) acrylamide
Stir, be warming up to 65 DEG C, logical nitrogen, add 2-hydroxyethyl methylacrylate aqueous solution, N, N-diformazan
Ammonio methacrylate ethyl ester aqueous solution and azodiisobutyronitrile aqueous solution, react 10h, reaction knot at 85 DEG C
Described complex antimicrobials is obtained after bundle；Wherein, N-(4-hydroxy 3-methoxybenzene methyl) acrylamide, 2-first
Base 2-(Acryloyloxy)ethanol, N, the mol ratio of N-dimethylaminoethyl methacrylate is 5:1:5.
Embodiment 5
A kind of antibiotic property ultrafilter membrane that the present invention proposes, its raw material includes by weight: polyacrylonitrile 48 parts,
Polyvinylpyrrolidone 10 parts, mesoporous silicon oxide 0.3 part, 0.5 part of silver ion loaded zeolite molecular sieve, receive
Rice calcium carbonate 0.6 part, nano zine oxide 0.4 part, N,N-dimethylacetamide 35 parts, trifluoroacetic acid 45 parts,
Complex antimicrobials 2.4 parts, three (2,4-di-tert-butyl-phenyl) phosphite ester 0.5 part, β-(3,5-di-t-butyl
-4-hydroxy phenyl) propanoic acid octadecanol ester 0.7 part；
Wherein, described complex antimicrobials is by N-(4-hydroxy 3-methoxybenzene methyl) acrylamide, 2-methyl-prop
Olefin(e) acid hydroxyl ethyl ester, N, N-dimethylaminoethyl methacrylate are polymerized；Described complex antimicrobials according to
Lower technique is prepared: by weight 5 parts of N-(4-hydroxy 3-methoxybenzene methyl) acrylamide is added 50
Stirring in part dimethylformamide, be warming up to 70 DEG C, logical nitrogen, adding 17.9 parts of mass fractions is 10%
2-hydroxyethyl methylacrylate aqueous solution, 43.3 parts of weight fractions be the N of 10%, N-dimethylamino methyl propylene
Acetoacetic ester aqueous solution and the azodiisobutyronitrile aqueous solution that 1-2 part mass fraction is 10%, react 15h at 80 DEG C,
Reaction obtains described complex antimicrobials after terminating.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention not office
Being limited to this, any those familiar with the art is in the technical scope that the invention discloses, according to this
The technical scheme of invention and inventive concept thereof in addition equivalent or change, all should contain the protection in the present invention
Within the scope of.
Claims (8)
1. an antibiotic property ultrafilter membrane, it is characterised in that its raw material includes by weight: polyacrylonitrile 40-55
Part, polyvinylpyrrolidone 5-15 part, inorganic particulate 1-2.5 part, solvent 50-100 part, complex antimicrobials 2-3.5
Part, antioxidant 0.8-3 part；
Wherein, described complex antimicrobials is by N-(4-hydroxy 3-methoxybenzene methyl) acrylamide, 2-methyl-prop
Olefin(e) acid hydroxyl ethyl ester, N, N-dimethylaminoethyl methacrylate are polymerized.
Antibiotic property ultrafilter membrane the most according to claim 1, it is characterised in that its raw material includes by weight:
Polyacrylonitrile 45-50 part, polyvinylpyrrolidone 7-11 part, inorganic particulate 1.5-2 part, solvent 70-85 part,
Complex antimicrobials 2.5-3 part, antioxidant 1-1.6 part.
Antibiotic property ultrafilter membrane the most according to claim 1 or claim 2, it is characterised in that in its raw material, described nothing
Machine particle be mesoporous silicon oxide, silver ion loaded zeolite molecular sieve, nano-calcium carbonate, nano zine oxide,
One or more mixture in nano zircite.
4. according to antibiotic property ultrafilter membrane according to any one of claim 1-3, it is characterised in that described solvent
For ethanol, DMF, N,N-dimethylacetamide, dimethyl sulfoxide, acetone, trifluoro
One or more mixture in acetic acid.
5. according to antibiotic property ultrafilter membrane according to any one of claim 1-4, it is characterised in that described compound
Antibacterial is prepared according to following technique: N-(4-hydroxy 3-methoxybenzene methyl) acrylamide is added two
Methylformamide stirs, is warming up to 65-75 DEG C, logical nitrogen, add 2-hydroxyethyl methylacrylate water
Solution, N, N-dimethylaminoethyl methacrylate aqueous solution and azodiisobutyronitrile aqueous solution, at 70-85 DEG C
Lower reaction 10-20h, reaction obtains described complex antimicrobials after terminating.
Antibiotic property ultrafilter membrane the most according to claim 5, it is characterised in that in the preparation of complex antimicrobials
In, N-(4-hydroxy 3-methoxybenzene methyl) acrylamide, 2-hydroxyethyl methylacrylate, N, N-diformazan ammonia
The mol ratio of amino ethyl methacrylate is 2-5:1-3:1-5.
7. according to antibiotic property ultrafilter membrane according to any one of claim 1-6, it is characterised in that described antioxygen
Agent is pentaerythritol tetrathioglycollate, three (2,4-di-tert-butyl-phenyl) phosphite ester, β-(3,5-di-t-butyl-4-
Hydroxy phenyl) one or more mixture in propanoic acid octadecanol ester.
8. according to antibiotic property ultrafilter membrane according to any one of claim 1-7, it is characterised in that its raw material is pressed
Weight portion includes: polyacrylonitrile 48 parts, polyvinylpyrrolidone 10 parts, mesoporous silicon oxide 0.3 part, silver from
0.5 part of sub-loaded zeolite molecular sieve, nano-calcium carbonate 0.6 part, nano zine oxide 0.4 part, N, N-dimethyl
Acetamide 35 parts, trifluoroacetic acid 45 parts, complex antimicrobials 2.4 parts, three (2,4-di-tert-butyl-phenyl) phosphorous acid
Ester 0.5 part, β-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid octadecanol ester 0.7 part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610429273.7A CN105854643A (en) | 2016-06-17 | 2016-06-17 | Antibacterial ultrafiltration membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610429273.7A CN105854643A (en) | 2016-06-17 | 2016-06-17 | Antibacterial ultrafiltration membrane |
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| CN105854643A true CN105854643A (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610429273.7A Pending CN105854643A (en) | 2016-06-17 | 2016-06-17 | Antibacterial ultrafiltration membrane |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107099113A (en) * | 2017-05-05 | 2017-08-29 | 安徽国登管业科技有限公司 | Antibacterial feed pipe and preparation method thereof |
| CN109126488A (en) * | 2018-08-22 | 2019-01-04 | 中南林业科技大学 | A kind of antibacterial type ultrafiltration membrane and preparation method thereof |
| CN109876676A (en) * | 2019-04-01 | 2019-06-14 | 江苏康微纳米科技有限公司 | A kind of hollow fiber nanofiltration membrane and preparation method thereof |
-
2016
- 2016-06-17 CN CN201610429273.7A patent/CN105854643A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107099113A (en) * | 2017-05-05 | 2017-08-29 | 安徽国登管业科技有限公司 | Antibacterial feed pipe and preparation method thereof |
| CN109126488A (en) * | 2018-08-22 | 2019-01-04 | 中南林业科技大学 | A kind of antibacterial type ultrafiltration membrane and preparation method thereof |
| CN109876676A (en) * | 2019-04-01 | 2019-06-14 | 江苏康微纳米科技有限公司 | A kind of hollow fiber nanofiltration membrane and preparation method thereof |
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Application publication date: 20160817 |