CN108031448A - A kind of preparation method of zein base porous hydrophobic oil absorption material - Google Patents
A kind of preparation method of zein base porous hydrophobic oil absorption material Download PDFInfo
- Publication number
- CN108031448A CN108031448A CN201711439512.8A CN201711439512A CN108031448A CN 108031448 A CN108031448 A CN 108031448A CN 201711439512 A CN201711439512 A CN 201711439512A CN 108031448 A CN108031448 A CN 108031448A
- Authority
- CN
- China
- Prior art keywords
- zein
- absorption material
- oil
- oil absorption
- preparation
- 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
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0202—Separation of non-miscible liquids by ab- or adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
- B01J20/28009—Magnetic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28047—Gels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
-
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
Abstract
The invention discloses a kind of preparation of zein base porous hydrophobic oil absorption material, is received using zein and polyvinyl alcohol as raw material, and composite hydrogel is obtained by physical crosslinking, then with Fe2+、Fe3+For precipitating reagent, magnetic iron oxide is generated in composite hydrogel macromolecule network using coprecipitation hydrophobically modified is carried out to it;Then the alcohol solution for soaking in silane coupling agent carries out oleophylic modification and obtains.The porous oil-absorbing material not only has good adsorptivity to petrochemical industry class oil product such as diesel oil, pumping fluid, n-hexane, chloroform etc., and also there is preferable adsorptivity to edible oil such as rapeseed oil, and there is good Selective adsorption to various oil products in oil water mixture, it can be applied to oily waste treatment or water-oil separating field.
Description
Technical field
The present invention relates to a kind of zein base feature natural macromolecular material, more particularly to a kind of surface is with hydrophobic
Oil loving zein based high molecular material and its preparation;The present invention also relates to zein based high molecular material work
The application for being oil absorption material in water-oil separating, belongs to particular interface material, function natural macromolecular material field.
Background technology
In recent years, in oil exploitation and transportational process, the discharge and leakage of oil product and organic solvent are to water
Raw ecology causes catastrophic environmental pollution.To solve this challenge, the exploitation of oily water separation technique and oil absorption material is subject to
Concern.According to source, oil absorption material can be divided into synthesis two major class of polymer oil absorption material and natural polymer oil absorption material.Big portion
Division is to be difficult to degrade after discarding into the shortcomings that high molecular material, easily causes secondary pollution or white pollution.Natural oil absorption material
There is biodegradable, environmental-friendly and renewable, such as:CN201710405227.8 discloses a kind of stalk wood composite
The method of cotton fiber oil absorption material, this method using agricultural crop straw there is light, porous characteristic to be prepared for a kind of natural suction
Light wood material;CN201710378539.4 discloses a kind of responsive to temperature type keratin base suction and releases light wood material;
CN201210342196.3 discloses a kind of method that pomelo peel removes grease in food and drink waste water.However, above-mentioned natural oil suction material
Material is mostly Oil suction powder, it is difficult to realizes separation, most of natural oil absorption material of cellulose family can also absorb water while oil suction.Cause
This, exploitation biodegradable, natural polymer oil absorption material that is easily separated, having selective absorption are developing direction.
The content of the invention
It is an object of the present invention to provide a kind of preparation method of the hydrophobic oil absorption material of zein base, for natural oil
Selective absorption, to realize water-oil separating.
First, the preparation of zein base porous hydrophobic oil absorption material
(1)The preparation of columnar water gel:Zein is distributed in aqueous slkali and obtains zein dispersion liquid, then is added thereto
Polyvinyl alcohol, is warming up to 60 ~ 95 DEG C, stirs 1 ~ 4 h, 10 ~ 50 min of cooling and standings, cryogenic freezing-thaw at RT 3 ~ 5 times, obtains
Columnar water gel.
Wherein, zeins or corn globulin;The aqueous slkali of scattered zein is 0.1 ~ 1.5 mol/L's
NaOH or KOH solution;In zein dispersion liquid, the content of zein is 20 ~ 60 g/L.The molecular weight of polyvinyl alcohol is 12
~ 15 ten thousand;The mass ratio of zein and polyvinyl alcohol is 1:0.5~1:2.
(2)Magnetic column zein based aquagel
By columnar water gel in Fe2+、Fe3+Mixed aqueous solution in soak 20 ~ 60 min, then add lye in confined conditions
And stirring is co-precipitated molysite, filter, be neutral with distilled water flushing to eluate, obtain magnetic column zein base water-setting
Glue;Then magnetic column zein based aquagel being soaked in the alcoholic solution of silane coupling agent, room temperature shakes 1 ~ 6 h,
50 ~ 100 DEG C of vacuum drying, that is, obtain the hydrophobic oil absorption material of zein base.
Fe2+、Fe3+In mixed solution, Fe2+Come from FeSO4∙7H2O or FeCl2∙4H2O;Fe3+Come from FeCl3∙6H2O or Fe
(NO3)3∙9H2O。
The lye that molysite is co-precipitated is set to be NH3∙H2O or NaOH solution or KOH solution, concentration are 5 ~ 20mol/L.
In the alcoholic solution of silane coupling agent, the concentration of silane coupling agent is 2% ~ 30%(v/v);Silane coupling agent can use
KH570 or anilinomethyl triethoxysilane, alcohol are ethanol or methanol.
2nd, the characterization of zein base porous hydrophobic oil absorption material
1st, macroscopic view and microscopic appearance
Macro morphology:With good into colloidality, compound with regular structure, is not easy to be destroyed, and has certain magnetism.Illustrate zein
Based high molecular material through polyvinyl alcohol, it is silane coupler modified after still maintain original exterior appearance.
Microscopic appearance:Fig. 1 is the microscopic appearance of zein base porous hydrophobic oil absorption material(SEM)Figure.It is as can be seen that beautiful
Rice gluten sill is porous network structure, and aperture is micron order, this is conducive to absorb oil;With reference to some macromolecules in figure
Filiform occurs and there are Fe3O4Particle, this is silane coupling agent success and the Fe being deposited in composite hydrogel network3O4
It is grafted and self-crosslinking occurs, makes the hydrophobic group grafting of silane coupling agent on composite hydrogel surface.Portion is observed at the same time
Divide Fe3O4Particle provides that roughness is highly advantageous to construct hydrophobic surface, this is conducive to the formation of hydrophobic surface.
2nd, infrared spectrum
Fig. 2 is the infrared absorpting light spectra of zein base porous hydrophobic oil absorption material.In 1651 cm-1、1527 cm-1、1404
cm-1Place is found that the characteristic absorption peak of acid amides I, II, III bands in zein, in 1683cm-1Left and right finds silane coupling agent
The characteristic peak of middle double bond;In 1082 cm-1、646 cm-1There is the characteristic absorption of the Si-O and Fe-O keys in Fe-O-Si in place
Peak, in addition 455 cm-1Nearby there is the flexural vibrations peak of O-Si-O.Illustrate that zein and polyvinyl alcohol are successfully compounded to form
Hydrogel, silane coupling agent and Fe3O4In-OH combine its surface is modified successfully.
3rd, thermogravimetric analysis
Fig. 3 is the thermogravimetric analysis figure of zein base porous hydrophobic oil absorption material.From curve as can be seen that weightless mainly have three
Section, from 25 DEG C to 100 DEG C weightlessness, this, which is mainly Free water therein and combines water, losing;From 100 DEG C to
The fracture of covalent bond in weightlessness between 225 DEG C, mainly raw material;Weightlessness from 225 DEG C to 450 DEG C is mainly zein
Decompose;After 450 DEG C, most of sample is all degraded, but still has part residual, about 15%, mainly Fe3O4And height
Warm protein carbonization gained.
4th, contact angle is tested
Fig. 4 is column zein based aquagel(a), column zein base magnetic hydrogel(b), zein Quito hole dredges
Water oil absorption material(c)In atmosphere with the contact angle test comparison figure of water.As shown in the figure, zein base porous hydrophobic oil suction material
Material is in atmosphere 132.77 ° to the contact angle of water(It is as hydrophobic), original column zein based aquagel is contrasted in air
In to the contact angle of water(It is almost 0 °, as super hydrophilic)Water is connect in atmosphere with column zein base magnetic hydrogel
Feeler(It is 30.70 °, as hydrophilic)It was found that pass through Fe3O4With the modification of silane coupling agent, hydrogel by it is super hydrophilic be changed into it is hydrophobic
Property, show that hydrophobicity oil absorption material is successfully prepared.
3rd, the performance test of zein base porous hydrophobic oil absorption material
1st, absorption of the oil absorption material to pure oil product
Mineral oil is selected respectively(Diesel oil, pumping fluid, n-hexane, chloroform, toluene)And vegetable oil(Rapeseed oil)As absorption pair
As at room temperature, the oil absorption material of certain mass being immersed in each oil product, is pressed from both sides out after adsorption saturation, suspension is dripped up to no oil droplet
Go out, weigh, repeat 3 groups, calculate average oil suction rate of body weight gain of the product to different oil products.
It turns out that oil absorption material prepared by the present invention not only has adsorptivity to petrochemical industry class oil product(Oil suction rate of body weight gain:
Diesel oil 48.8%, pumping fluid 92.2%, n-hexane 36.3%, chloroform 41.7%, toluene 41.9%), and to edible oil(Oil suction increases
Rate again:Rapeseed oil 61.5%)Also there is preferable adsorptivity.
2nd, oil water mixture selective absorption
3 kinds of oil water mixtures are selected, i.e.,:Diesel oil(It is lighter than water)With water, chloroform(Than water weight)Oil emulsion is test pair in He Shui, water
As ability of the test oil absorption material to oil water mixture selective absorption.The oil phase of Sudan II mark is drawn, is added dropwise in water,
Make the water surface(It is or underwater)Form one layer of oil film.Prepared oil absorption material is placed in oil/water interface, it is to be adsorbed completely after use magnetic
Iron suctions out.Toluene and water are pressed 1:10(v:v)Mix, after 0.5 h of ultrasound, obtain the emulsus for toluene-water that volume fraction is 10%
Liquid.Then, will prepare products obtained therefrom be put into wherein, stand 2h, it is to be adsorbed completely after suctioned out with magnet.The above process is with number
Cameras record.
Fig. 5 is comparison diagram of the product to different oil water mixture selective absorptions.In figure, A, B, C are respectively diesel oil, chlorine
The mixture of imitative, toluene and water is before separation(I), in separation(II)After separation(III)Digital photograph.The result of Fig. 5 is shown
Show, the hydrophobic oil absorption material of zein base is respectively provided with separating effect in the oil water separation process of 3 types, prepared by this explanation
Zein base porous hydrophobic oil suction can realize water-oil separating, can be applied to oily waste treatment or water-oil separating field, Er Qieke
Oil absorption material is separated from oil product and oil water mixture by magnet.
Brief description of the drawings
Fig. 1 is the scanning electron microscope (SEM) photograph of zein base porous hydrophobic oil absorption material.
Fig. 2 is the infrared spectrogram of zein base porous hydrophobic oil absorption material.
Fig. 3 is the thermogravimetric analysis figure of zein base porous hydrophobic oil absorption material.
Fig. 4 is zein plural gel(a), magnetic coupling gel(b), zein base porous hydrophobic oil absorption material
(c)In atmosphere to the contact angle test chart of water.
Fig. 5 is adsorption process comparison diagram of the oil absorption material in different type mixes grease.
Embodiment
The oil absorbency of zein base porous hydrophobic oil absorption material of the present invention is done into one below by specific embodiment
The explanation of step.
Embodiment 1
0.8 g zeins is taken in round-bottomed flask, adds the NaOH solution of 40 mL concentration, 0.1 mol/L, under agitation
Zein is fully dispersed;Adding 1.4 g polyvinyl alcohol(Molecular weight is 12 ~ 150,000), 60 DEG C are warming up to, stirs 4 h, it is cold
But 50 min are stood, cryogenic freezing-thaw at RT 5 times, obtains columnar water gel.
At room temperature, by the columnar water gel of above-mentioned preparation in the molysite mixed aqueous solution of 50 mL(FeCl2∙4H2O with
FeCl3∙6H2The molar ratio of O is 1:1)After soaking 60 min, enclosed system, adds 0.1mol/L NaOH solutions and sinks while stirring
Shallow lake molysite, continues to stir 30 min, filters out column gel, be neutral with distilled water flushing to eluate, obtain magnetic column corn
Albumen based aquagel.
Magnetic column zein based aquagel is soaked in the ethanol alcoholic solution of KH570 again(Concentration is 5%, v/v)In,
Room temperature is taken out after shaking 3 h, and 50 ~ 100 DEG C of vacuum drying, that is, obtain the hydrophobic oil absorption material of zein base.
The oil suction rate of body weight gain of the zein base porous hydrophobic oil absorption material to rapeseed oil is 61.5%, to pumping fluid
Oil suction rate of body weight gain is 92.2%.
Embodiment 2
1 g zeins is taken in round-bottomed flask, adds the NaOH solution of 30 mL concentration, 1.0 mol/L, under agitation will
Zein is fully dispersed;Adding 1.6 g polyvinyl alcohol(Molecular weight is 12 ~ 150,000), 70 DEG C are warming up to, stirs 3 h, cooling
40 min are stood, cryogenic freezing-thaw at RT 3 ~ 5 times, obtains columnar water gel.
At room temperature, by the columnar water gel of above-mentioned preparation in the molysite mixed aqueous solution of 50 mL(FeCl2∙4H2O with
FeCl3∙6H2The molar ratio of O is 1:2)After soaking 20 min, enclosed system, adds 1.0 mol/L NaOH solutions and sinks while stirring
Shallow lake molysite, continues to stir 30 min, filters out column gel, be neutral with distilled water flushing to eluate, obtain magnetic column corn
Albumen based aquagel.
Magnetic column zein based aquagel is soaked in the ethanol alcoholic solution of KH570 again(Concentration is 10%, v/v)In,
Room temperature is taken out after shaking 2 h, and 50 ~ 100 DEG C of vacuum drying, that is, obtain the hydrophobic oil absorption material of zein base.
The oil suction rate of body weight gain of the zein base porous hydrophobic oil absorption material to rapeseed oil is 61.8%, to pumping fluid
Oil suction rate of body weight gain is 94.1%.
Embodiment 3
1.2 g zeins are taken in round-bottomed flask, add the KOH solution of 45 mL concentration, 1.5 mol/L, under agitation
Zein is fully dispersed;Adding 1.8 g polyvinyl alcohol(Molecular weight is 12 ~ 150,000), 80 DEG C are warming up to, stirs 2 h, it is cold
But 30 min are stood, cryogenic freezing-thaw at RT 3 ~ 5 times, obtains columnar water gel.
At room temperature, by the columnar water gel of above-mentioned preparation in the molysite mixed aqueous solution of 50 mL(FeCl2∙4H2O with
FeCl3∙6H2The molar ratio of O is 1:2.5)After soaking 30 min, enclosed system, adds 1.5 mol/L KOH solutions while stirring
Molysite is precipitated, continues to stir 30 min, filters out column gel, be neutral with distilled water flushing to eluate, it is beautiful to obtain magnetic column
Rice gluten based aquagel.
Magnetic column zein based aquagel is soaked in the methanol alcoholic solution of KH570 again(Concentration is 15%, v/v)In,
Room temperature is taken out after shaking 6 h, and 50 ~ 100 DEG C of vacuum drying, that is, obtain the hydrophobic oil absorption material of zein base.
The oil suction rate of body weight gain of the zein base porous hydrophobic oil absorption material to rapeseed oil is 63.3%, to pumping fluid
Oil suction rate of body weight gain is 90.7%.
Embodiment 4
1.5 g zeins are taken in round-bottomed flask, add the NaOH solution of 50 mL concentration, 0.5 mol/L, under agitation
Zein is fully dispersed;Adding 2.8 g polyvinyl alcohol(Molecular weight is 12 ~ 150,000), 90 DEG C are warming up to, stirs 1.5 h,
50 min of cooling and standings, cryogenic freezing-thaw at RT 3 ~ 5 times, obtains columnar water gel.
At room temperature, by the columnar water gel of above-mentioned preparation in the molysite mixed aqueous solution of 300 mL(FeCl2∙4H2O with
FeCl3∙6H2The molar ratio of O is 1:3)After soaking 60 min, enclosed system, adds 0.5 mol/L NaOH solutions and sinks while stirring
Shallow lake molysite, continues to stir 20 min, filters out column gel, be neutral with distilled water flushing to eluate, obtain magnetic column corn
Albumen based aquagel.
Magnetic column zein based aquagel is soaked in the ethanol alcoholic solution of anilinomethyl triethoxysilane again(It is dense
Spend for 20%, v/v)In, room temperature is taken out after shaking 3 h, and 50 ~ 100 DEG C of vacuum drying, that is, obtain the hydrophobic oil suction material of zein base
Material.
The oil suction rate of body weight gain of the zein base porous hydrophobic oil absorption material to rapeseed oil is 62.0%, to pumping fluid
Oil suction rate of body weight gain is 91.6%.
Embodiment 5
2.0 g zeins are taken in round-bottomed flask, add the NaOH solution of 60 mL concentration, 1.2 mol/L, under agitation
Zein is fully dispersed;Adding 3.0 g polyvinyl alcohol(Molecular weight is 12 ~ 150,000), 95 DEG C are warming up to, stirs 1h, it is cold
But 50 min are stood, cryogenic freezing-thaw at RT 3 ~ 5 times, obtains columnar water gel.
At room temperature, by the columnar water gel of above-mentioned preparation in the molysite mixed aqueous solution of 50 mL(FeCl2∙4H2O with
FeCl3∙6H2The molar ratio of O is 1:3.5)After soaking 50 min, enclosed system, adds 1.2 mol/L NaOH solutions while stirring
Molysite is precipitated, continues to stir 60 min, filters out column gel, be neutral with distilled water flushing to eluate, it is beautiful to obtain magnetic column
Rice gluten based aquagel.
Magnetic column zein based aquagel is soaked in the methanol alcoholic solution of KH570 again(Concentration is 28%, v/v)In,
Room temperature is taken out after shaking 4 h, and 50 ~ 100 DEG C of vacuum drying, that is, obtain the hydrophobic oil absorption material of zein base.
The oil suction rate of body weight gain of the zein base porous hydrophobic oil absorption material to rapeseed oil is 59.6%, to pumping fluid
Oil suction rate of body weight gain is 93.0%.
Claims (10)
1. a kind of preparation method of zein base porous hydrophobic oil absorption material, comprises the following steps that:
(1)The preparation of columnar water gel:Zein is distributed in aqueous slkali and obtains zein dispersion liquid, then is added thereto
Polyvinyl alcohol, is warming up to 60 ~ 95 DEG C, stirs 1 ~ 4 h, 10 ~ 50 min of cooling and standings, cryogenic freezing-thaw at RT 3 ~ 5 times, obtains
Columnar water gel;
(2)Magnetic column zein based aquagel:By columnar water gel in Fe2+、Fe3+Mixed aqueous solution in soak 20 ~ 60
Min, then add lye in confined conditions and stirring is co-precipitated molysite, is filtered, be with distilled water flushing to eluate it is neutral,
Obtain magnetic column zein based aquagel;Then magnetic column zein based aquagel is soaked in the alcohol of silane coupling agent
In solution, room temperature shakes 1 ~ 6 h, in 50 ~ 100 DEG C of vacuum drying, that is, obtains the hydrophobic oil absorption material of zein base.
A kind of 2. preparation method of zein base porous hydrophobic oil absorption material as claimed in claim 1, it is characterised in that:Step
(1)In, the zeins or corn globulin.
A kind of 3. preparation method of zein base porous hydrophobic oil absorption material as claimed in claim 1, it is characterised in that:Step
(1)In, the aqueous slkali of the scattered zein is the NaOH or KOH solution of 0.1 ~ 1.5 mol/L.
A kind of 4. preparation method of zein base porous hydrophobic oil absorption material as claimed in claim 1, it is characterised in that:Step
(1)In, in the zein dispersion liquid, the content of zein is 20 ~ 60 g/L.
A kind of 5. preparation method of zein base porous hydrophobic oil absorption material as claimed in claim 1, it is characterised in that:Step
(1)In, the molecular weight of the polyvinyl alcohol is 12 ~ 150,000, and the mass ratio of zein and polyvinyl alcohol is 1:0.5~1:2.
A kind of 6. preparation method of zein base porous hydrophobic oil absorption material as claimed in claim 1, it is characterised in that:Step
(2)In, the Fe2+、Fe3+In mixed solution, Fe2+Come from FeSO4∙7H2O or FeCl2∙4H2O;Fe3+Come from FeCl3∙6H2O or
Fe(NO3)3∙9H2O。
A kind of 7. preparation method of zein base porous hydrophobic oil absorption material as claimed in claim 6, it is characterised in that:Mixing
In solution, Fe2+、Fe3+Molar ratio be 1:0.5 ~1:4.
A kind of 8. preparation method of zein base porous hydrophobic oil absorption material as claimed in claim 1, it is characterised in that:Step
(2)In, the lye for precipitating molysite is NH3∙H2O or NaOH solution or KOH solution, concentration are 5 ~ 20mol/L.
A kind of 9. preparation method of zein base porous hydrophobic oil absorption material as claimed in claim 1, it is characterised in that:Step
(2)In, silane coupling agent uses KH570 or anilinomethyl triethoxysilane, and alcohol is ethanol or methanol.
A kind of 10. preparation method of zein base porous hydrophobic oil absorption material as claimed in claim 9, it is characterised in that:Silicon
In the alcoholic solution of alkane coupling agent, the volumetric concentration of silane coupling agent is 2% ~ 30%(v/v).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711439512.8A CN108031448A (en) | 2017-12-27 | 2017-12-27 | A kind of preparation method of zein base porous hydrophobic oil absorption material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711439512.8A CN108031448A (en) | 2017-12-27 | 2017-12-27 | A kind of preparation method of zein base porous hydrophobic oil absorption material |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108031448A true CN108031448A (en) | 2018-05-15 |
Family
ID=62101431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711439512.8A Pending CN108031448A (en) | 2017-12-27 | 2017-12-27 | A kind of preparation method of zein base porous hydrophobic oil absorption material |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108031448A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113351178A (en) * | 2021-06-08 | 2021-09-07 | 中国科学院地质与地球物理研究所 | Hydrophobic magnetic porous material and preparation and application thereof |
CN113351179A (en) * | 2021-06-08 | 2021-09-07 | 中国科学院地质与地球物理研究所 | Method and apparatus for treating hydrophobic substances |
CN114702832A (en) * | 2022-06-07 | 2022-07-05 | 江西中医药大学 | Corn protein-silicon dioxide compound emulsion and preparation method and application thereof |
WO2023098009A1 (en) * | 2021-12-03 | 2023-06-08 | 江南大学 | Preparation method for magnetic super-hydrophobic starch-based aerogel useful for oil-water separation |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104017236A (en) * | 2014-05-27 | 2014-09-03 | 哈尔滨工业大学 | Preparation method of organic-inorganic hybrid super hydrophobic modified bacterial cellulose aerogel oil absorption material |
CN105153438A (en) * | 2015-10-27 | 2015-12-16 | 南京林业大学 | Preparation method of high-strength high-swelling nanocellulose and polyving akohol composite hydrogel |
US20160058045A1 (en) * | 2014-08-26 | 2016-03-03 | Pepsico, Inc. | Method of Loading Flavor into an Aerogel and Flavor Impregnated Aerogel Based on Food Grade Materials |
CN105924686A (en) * | 2016-04-13 | 2016-09-07 | 四川大学 | Biology base polymer aerogel oil absorption material and preparation method thereof |
-
2017
- 2017-12-27 CN CN201711439512.8A patent/CN108031448A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104017236A (en) * | 2014-05-27 | 2014-09-03 | 哈尔滨工业大学 | Preparation method of organic-inorganic hybrid super hydrophobic modified bacterial cellulose aerogel oil absorption material |
US20160058045A1 (en) * | 2014-08-26 | 2016-03-03 | Pepsico, Inc. | Method of Loading Flavor into an Aerogel and Flavor Impregnated Aerogel Based on Food Grade Materials |
CN105153438A (en) * | 2015-10-27 | 2015-12-16 | 南京林业大学 | Preparation method of high-strength high-swelling nanocellulose and polyving akohol composite hydrogel |
CN105924686A (en) * | 2016-04-13 | 2016-09-07 | 四川大学 | Biology base polymer aerogel oil absorption material and preparation method thereof |
Non-Patent Citations (2)
Title |
---|
HUILI PENG等: ""Preparation of Superhydrophobic Magnetic Cellulose Sponge for Removing Oil from Water"", 《IND. ENG. CHEM. RES.》 * |
RODICA DOBRITOIU等: ""A study of dyes sorption on biobased cryogels"", 《APPLIED SURFACE SCIENCE》 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113351178A (en) * | 2021-06-08 | 2021-09-07 | 中国科学院地质与地球物理研究所 | Hydrophobic magnetic porous material and preparation and application thereof |
CN113351179A (en) * | 2021-06-08 | 2021-09-07 | 中国科学院地质与地球物理研究所 | Method and apparatus for treating hydrophobic substances |
CN113351178B (en) * | 2021-06-08 | 2022-02-01 | 中国科学院地质与地球物理研究所 | Hydrophobic magnetic porous material and preparation and application thereof |
WO2023098009A1 (en) * | 2021-12-03 | 2023-06-08 | 江南大学 | Preparation method for magnetic super-hydrophobic starch-based aerogel useful for oil-water separation |
CN114702832A (en) * | 2022-06-07 | 2022-07-05 | 江西中医药大学 | Corn protein-silicon dioxide compound emulsion and preparation method and application thereof |
CN114702832B (en) * | 2022-06-07 | 2022-08-23 | 江西中医药大学 | Corn protein-silicon dioxide compound emulsion and preparation method and application thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108031448A (en) | A kind of preparation method of zein base porous hydrophobic oil absorption material | |
Sun et al. | Hydrophobicity-adjustable mof constructs superhydrophobic mof-rgo aerogel for efficient oil–water separation | |
Ahuja et al. | Superhydrophobic modification of cellulose sponge fabricated from discarded jute bags for oil water separation | |
CN106853296B (en) | A kind of oil water separation type sodium alginate/graphene oxide composite aerogel and preparation method thereof | |
CN105647159B (en) | A kind of polymer-base foam material and the preparation method and application thereof of graphene ribbon modification | |
CN106807338A (en) | A kind of modified graphene for water-oil separating strengthens the preparation method of polyurethane sponge | |
CN108273476A (en) | A kind of preparation method of the compound porous hydrophobic oil suction sponge material of zein-sodium alginate | |
Dong et al. | Biomass poplar catkin fiber-based superhydrophobic aerogel with tubular-lamellar interweaved neurons-like structure | |
CN103933929B (en) | A kind of mesopore silicon oxide adsorbent adsorbing hydrophobic organic compound and its preparation method and application | |
CN107312198A (en) | Super-hydrophobic cavernous body and preparation method thereof | |
CN109046279A (en) | Melamine@ZIF-67 modified sponge oil absorption material and preparation method thereof | |
CN109535475A (en) | Melamine sponge of area load nanoparticle and its preparation method and application | |
CN109261127A (en) | A kind of non-selectivity oleophobic water wetted material and its preparation method and application | |
CN105771322A (en) | Super hydrophilic oil-water separation filter paper and preparation method thereof | |
CN102284279A (en) | Attapulgite/silicon dioxide composite powder and preparation method thereof | |
CN110227422B (en) | Modification method for endowing melamine foam with underwater hydrophilic and oleophobic characteristics, product and application thereof | |
CN107312197A (en) | Super-hydrophobic cavernosa material and preparation method thereof | |
CN106589282A (en) | Preparation method and applications of Mg/Al/C fiber-polyurethane foamed material | |
CN110237568A (en) | A kind of high-throughput switching mode oil-water separating net membrane preparation method based on natural bionic | |
CN109153804A (en) | Cellulose acetate aeroge | |
Li et al. | Hydrophobic nanocellulose aerogels with high loading of metal-organic framework particles as floating and reusable oil absorbents | |
CN109499393A (en) | A kind of super hydrophilic PVDF water-oil separationg film and the preparation method and application thereof separating oily wastewater | |
Wu et al. | Preparation and characterization of super hydrophobic aerogels derived from tunicate cellulose nanocrystals | |
CN107312196A (en) | super-hydrophobic sponge material and preparation method thereof | |
Yang et al. | One-step double emulsion via amphiphilic SeN supramolecular interactions: Towards porous multi-cavity beads for efficient recovery lithium from brine |
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 |
Application publication date: 20180515 |
|
RJ01 | Rejection of invention patent application after publication |