CN107441958A - A kind of preparation method of cuprous oxide and chitosan composite film material - Google Patents
A kind of preparation method of cuprous oxide and chitosan composite film material Download PDFInfo
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- CN107441958A CN107441958A CN201710879622.XA CN201710879622A CN107441958A CN 107441958 A CN107441958 A CN 107441958A CN 201710879622 A CN201710879622 A CN 201710879622A CN 107441958 A CN107441958 A CN 107441958A
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- preparation
- film
- cuprous oxide
- chitosan
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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
- B01D69/12—Composite membranes; Ultra-thin membranes
-
- 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
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
-
- 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
- B01D71/02—Inorganic material
- B01D71/024—Oxides
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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
- B01D71/74—Natural macromolecular material or derivatives thereof
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
It is an object of the invention to provide a kind of aggregation of film forming, absorption property is high, is easily recycled the preparation method of the cuprous oxide and chitosan composite film material recycled again.Cuprous oxide prepared by the present invention aggregates into composite, good film-forming property with chitosan, and film floats on the water surface; easy recycling; i.e. cost-effective and environmental protection, the efficiency high of the absorption organic pollution of the chitosan of preparation, also reduced even if the adsorption efficiency thing of recycling without obvious.
Description
Technical field
The present invention relates to the preparation method of a kind of cuprous oxide and chitosan composite film material, belongs to water pollution processing
Technical field.
Background technology
Chitosan-phospholipid complex is all to have good flocculation, clarification.As the fining agent of beverage, suspension can be made
Thing flocculates rapidly, natural sedimentation, improves the yield of stoste；In Chinese medicine extract, protein, tannic acid and the pectin of macromolecular,
It can easily be removed with chitosan solution, refine out the higher effective components of Chinese medicinal of purity；Using the adsorptivity of chitosan,
There is good effect in terms of purification of water quality.
Cuprous oxide is a kind of p-type semiconductor material of excellent performance, and its band gap width is relative with visible wavelength range
Should, it is adapted to directly be excited by sunshine and there is photocatalysis and photoelectric characteristic, there is reproducibility, can destroy organic in sewage
Oxide, and react, the COD contents in sewage are reduced, carry out water purification water quality.
Therefore, a kind of cuprous oxide and the compound film being prepared into of chitosan can be studied, improves the efficiency to purify water,
It is also convenient for recycling.
The content of the invention
It is an object of the invention to provide a kind of aggregation of film forming, absorption property is high, is easily recycled and recycles again
Cuprous oxide and chitosan composite film material preparation method.
The present invention provides the preparation method of a kind of cuprous oxide and chitosan composite film material, comprises the following steps (1)
Under conditions of stirring, chitosan and anhydrous cupric sulfate are dissolved in water, after stirring 1h, acetic acid is added, obtains blue colloidal fluid
Body；(2) it is blue colloidal liquid is evenly laid out on a glass, dry into first film；(3) by the first film bubble dried in dense hydroxide
Steeped 2-3 days in sodium solution；(4) manufactured just film is placed in crosslinking agent and reacts 1.5h；(7) by the film alcohol after crosslinking
Washing is dried, and vacuumizes preservation.
Further improvement of the present invention, the mass ratio of anhydrous cupric sulfate and chitosan is 1 in step (1)：1~2.
Further improvement of the present invention, just the thickness of film is 1-1.5mm described in step (2).
Further improvement of the present invention, concentrated sodium hydroxide concentration described in step (3) are 26.4mol/L.
Further improvement of the present invention, it is 95% acetic acid to add 4~8ml mass concentrations per 100g chitosans in step (1).
Further improvement of the present invention, the temperature of step (1) is 75~95 DEG C.
Further improvement of the present invention, crosslinking agent are the glutaraldehyde solution of mass concentration 1%.
Compared with prior art, beneficial effects of the present invention：
1st, preparation method low in raw material price of the invention, is readily obtained, and technique is simple, can save production cost, is adapted to
The purification run of industrial wastewater.
2nd, the cuprous oxide and chitosan that prepared by the present invention aggregate into composite, good film-forming property, and film floats on the water surface, hold
Easy recycling, i.e., cost-effective and environmental protection, the efficiency high of the absorption organic pollution of the chitosan of preparation, even if returning
Receive the adsorption efficiency thing recycled also reduces without obvious.
Embodiment
Embodiment 1：
The present invention provides the preparation method of a kind of cuprous oxide and chitosan composite film material, comprises the following steps (1)
Under conditions of stirring, chitosan and anhydrous cupric sulfate are dissolved in water, after stirring 1h, acetic acid is added, obtains blue colloidal fluid
Body；(2) it is blue colloidal liquid is evenly laid out on a glass, dry into first film；(3) by the first film bubble dried in dense hydroxide
Steeped 2-3 days in sodium solution；(4) manufactured just film is placed in crosslinking agent and reacts 1.5h；(7) by the film alcohol after crosslinking
Washing is dried, and vacuumizes preservation.
Further improvement of the present invention, the mass ratio of anhydrous cupric sulfate and chitosan is 1 in step (1)：1.
Further improvement of the present invention, just the thickness of film is 1mm described in step (2).
Further improvement of the present invention, concentrated sodium hydroxide concentration described in step (3) are 26.4mol/L.
Further improvement of the present invention, it is 95% acetic acid to add 4ml mass concentrations per 100g chitosans in step (1).
Further improvement of the present invention, the temperature of step (1) is 75 DEG C.
Further improvement of the present invention, crosslinking agent are the glutaraldehyde solution of mass concentration 1%.
Embodiment 2：
The present invention provides the preparation method of a kind of cuprous oxide and chitosan composite film material, comprises the following steps (1)
Under conditions of stirring, chitosan and anhydrous cupric sulfate are dissolved in water, after stirring 1h, acetic acid is added, obtains blue colloidal fluid
Body；(2) it is blue colloidal liquid is evenly laid out on a glass, dry into first film；(3) by the first film bubble dried in dense hydroxide
Steeped 2-3 days in sodium solution；(4) manufactured just film is placed in crosslinking agent and reacts 1.5h；(7) by the film alcohol after crosslinking
Washing is dried, and vacuumizes preservation.
Further improvement of the present invention, the mass ratio of anhydrous cupric sulfate and chitosan is 1 in step (1)：2.
Further improvement of the present invention, just the thickness of film is 1.5mm described in step (2).
Further improvement of the present invention, concentrated sodium hydroxide concentration described in step (3) are 26.4mol/L.
Further improvement of the present invention, it is 95% acetic acid to add 8ml mass concentrations per 100g chitosans in step (1).
Further improvement of the present invention, the temperature of step (1) is 95 DEG C.
Further improvement of the present invention, crosslinking agent are the glutaraldehyde solution of mass concentration 1%.
Embodiment 3：
The present invention provides the preparation method of a kind of cuprous oxide and chitosan composite film material, comprises the following steps (1)
Under conditions of stirring, chitosan and anhydrous cupric sulfate are dissolved in water, after stirring 1h, acetic acid is added, obtains blue colloidal fluid
Body；(2) it is blue colloidal liquid is evenly laid out on a glass, dry into first film；(3) by the first film bubble dried in dense hydroxide
Steeped 2-3 days in sodium solution；(4) manufactured just film is placed in crosslinking agent and reacts 1.5h；(7) by the film alcohol after crosslinking
Washing is dried, and vacuumizes preservation.
Further improvement of the present invention, the mass ratio of anhydrous cupric sulfate and chitosan is 1 in step (1)：1.5.
Further improvement of the present invention, just the thickness of film is 1.2mm described in step (2).
Further improvement of the present invention, concentrated sodium hydroxide concentration described in step (3) are 26.4mol/L.
Further improvement of the present invention, it is 95% acetic acid to add 6ml mass concentrations per 100g chitosans in step (1).
Further improvement of the present invention, the temperature of step (1) is 80 DEG C.
Further improvement of the present invention, crosslinking agent are the glutaraldehyde solution of mass concentration 1%.
Embodiment 4：
The present invention provides the preparation method of a kind of cuprous oxide and chitosan composite film material, comprises the following steps (1)
Under conditions of stirring, chitosan and anhydrous cupric sulfate are dissolved in water, after stirring 1h, acetic acid is added, obtains blue colloidal fluid
Body；(2) it is blue colloidal liquid is evenly laid out on a glass, dry into first film；(3) by the first film bubble dried in dense hydroxide
Steeped 2-3 days in sodium solution；(4) manufactured just film is placed in crosslinking agent and reacts 1.5h；(7) by the film alcohol after crosslinking
Washing is dried, and vacuumizes preservation.
Further improvement of the present invention, the mass ratio of anhydrous cupric sulfate and chitosan is 1 in step (1)：1.
Further improvement of the present invention, just the thickness of film is 1.5mm described in step (2).
Further improvement of the present invention, concentrated sodium hydroxide concentration described in step (3) are 26.4mol/L.
Further improvement of the present invention, it is 95% acetic acid to add 8ml mass concentrations per 100g chitosans in step (1).
Further improvement of the present invention, the temperature of step (1) is 85 DEG C.
Further improvement of the present invention, crosslinking agent are the glutaraldehyde solution of mass concentration 1%.
Claims (7)
- A kind of 1. preparation method of cuprous oxide and chitosan composite film material, it is characterised in that：Comprise the following steps that (1) exists Under conditions of stirring, chitosan and anhydrous cupric sulfate are dissolved in water, after stirring 1h, acetic acid is added, obtains blue colloidal liquid； (2) it is blue colloidal liquid is evenly laid out on a glass, dry into first film；(3) by the first film bubble dried in concentrated sodium hydroxide Steeped 2-3 days in solution；(4) manufactured just film is placed in crosslinking agent and reacts 1.5h；(7) film after crosslinking is washed with alcohol Wash and dry, vacuumize preservation.
- 2. the preparation method of cuprous oxide and Active carbon fiber composite material according to claim 1, it is characterised in that：It is described The mass ratio of anhydrous cupric sulfate and chitosan is 1 in step (1)：1~2.
- 3. the preparation method of cuprous oxide and Active carbon fiber composite material according to claim 1, it is characterised in that：Step (2) just the thickness of film is 1-1.5mm described in.
- 4. the preparation method of cuprous oxide and Active carbon fiber composite material according to claim 1, it is characterised in that：Step (3) concentrated sodium hydroxide concentration described in is 26.4mol/L.
- 5. the preparation method of cuprous oxide and chitosan composite film material according to claim 1, it is characterised in that：It is described It is 95% acetic acid to add 4~8ml mass concentrations per 100g chitosans in step (1).
- 6. the preparation method of cuprous oxide and chitosan composite film material according to claim 1, it is characterised in that：It is described The temperature of step (1) is 75~95 DEG C.
- 7. the preparation method of cuprous oxide and chitosan composite film material according to claim 1, it is characterised in that：It is described Crosslinking agent is the glutaraldehyde solution of mass concentration 1%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710879622.XA CN107441958A (en) | 2017-09-26 | 2017-09-26 | A kind of preparation method of cuprous oxide and chitosan composite film material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710879622.XA CN107441958A (en) | 2017-09-26 | 2017-09-26 | A kind of preparation method of cuprous oxide and chitosan composite film material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107441958A true CN107441958A (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710879622.XA Pending CN107441958A (en) | 2017-09-26 | 2017-09-26 | A kind of preparation method of cuprous oxide and chitosan composite film material |
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| CN (1) | CN107441958A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108854987A (en) * | 2018-07-02 | 2018-11-23 | 大连理工大学 | The preparation method and application of iodide ion adsorbent material in a kind of waste water |
| CN110354906A (en) * | 2019-08-27 | 2019-10-22 | 合肥学院 | A kind of Cu2O/ chitin composite membrane and preparation method thereof |
-
2017
- 2017-09-26 CN CN201710879622.XA patent/CN107441958A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108854987A (en) * | 2018-07-02 | 2018-11-23 | 大连理工大学 | The preparation method and application of iodide ion adsorbent material in a kind of waste water |
| CN110354906A (en) * | 2019-08-27 | 2019-10-22 | 合肥学院 | A kind of Cu2O/ chitin composite membrane and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171208 |