CN108359041A - A kind of composite modified porous PS-SiO of long chain alkyl silane2Composite material and preparation method - Google Patents
A kind of composite modified porous PS-SiO of long chain alkyl silane2Composite material and preparation method Download PDFInfo
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- CN108359041A CN108359041A CN201810194446.0A CN201810194446A CN108359041A CN 108359041 A CN108359041 A CN 108359041A CN 201810194446 A CN201810194446 A CN 201810194446A CN 108359041 A CN108359041 A CN 108359041A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/06—Hydrocarbons
- C08F212/08—Styrene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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Abstract
A kind of composite modified porous PS SiO of long chain alkyl silane2Composite material and preparation method is related to technical field of function materials.The composite modified porous PS SiO of the long chain alkyl silane2The preparation method of composite material is：Ethyl alcohol, ethyl orthosilicate, ammonium hydroxide are mixed, mixed liquor is obtained, is stirred to react being added in mixed liquor after long chain alkyl silane coupling agent hydrolysis process, then centrifugation, alcohol are washed, wash, dried, and obtain modified SiO2Particle；It will modified SiO2Crosslinking agent is added after being scattered in styrene in particle, and Hybrid Heating then instills the aqueous solution containing potassium peroxydisulfate and potassium sulfate and is uniformly mixing to obtain High Internal Phase Emulsion, 36 54h of insulation reaction.The composite material with strong adsorption capacity can be prepared in the preparation method.In addition the present invention provides the composite modified porous PS SiO of long chain alkyl silane that above-mentioned preparation method is prepared2Composite material.
Description
Technical field
The present invention relates to a kind of technical field of function materials, and more particularly to a kind of long chain alkyl silane is composite modified porous
PS-SiO2Composite material and preparation method.
Background technology
Water-oil separating material can efficiently separate crude oil and water, have in environmental protection, oil product purification field important
Effect.Water-oil separating material be based on ultra-hydrophobicity come realize its separation oil and water function, to oil have it is higher wet
Lubricant nature and oil-water separating function is realized with lower adhesiveness to water, there is part researcher to pass through to composite wood at present
Material is studied to realize the possibility of synthesis water-oil separating material, but these researchs are required for using more complicated processing greatly
It can just obtain.
The composite material that therefore, it is necessary to a kind of preparation methods is simple, oil-water separation is good is to meet the needs of using.
Invention content
The purpose of the present invention is to provide a kind of composite modified porous PS-SiO of long chain alkyl silane2Composite material, tool
There are excellent mechanical property and oily adsorption capacity.
Another object of the present invention is to provide a kind of composite modified porous PS-SiO of long chain alkyl silane2Composite material
Preparation method can produce and the composite material with strong adsorption capacity is prepared.
The present invention solves its technical problem using following technical scheme to realize.
A kind of composite modified porous PS-SiO of long chain alkyl silane2The preparation method of composite material, includes the following steps：
Ethyl alcohol, ethyl orthosilicate, ammonium hydroxide are mixed, mixed liquor is obtained, at long chain alkyl silane coupling agent hydrolysis
It is added in mixed liquor and is stirred to react after reason, then centrifugation, alcohol are washed, wash, dried, and obtain modified SiO2Particle；
It will modified SiO2Crosslinking agent is added after being scattered in styrene in particle, and Hybrid Heating then instills and contains potassium peroxydisulfate
It is uniformly mixing to obtain High Internal Phase Emulsion, insulation reaction 36-54h with the aqueous solution of potassium sulfate.
Further, in a preferred embodiment of the present invention, long chain alkyl silane coupling agent is selected from n-octyl triethoxy
One kind in silane, n-octyl trimethoxy silane, dodecyl trimethoxy silane.
Further, in a preferred embodiment of the present invention, ethyl alcohol, ethyl orthosilicate, ammonium hydroxide and long chain alkyl silane coupling
The mass ratio of agent is：60-120：2-4：5-15：4-5.
Further, in a preferred embodiment of the present invention, hydrolysis process is that long chain alkyl silane coupling agent is added to pH
To hydrolyze 2-3h in the ethanol solution of 2.5-3.5.
Further, in a preferred embodiment of the present invention, the mass fraction of ethyl alcohol is 10-15% in ethanol solution.
Further, in a preferred embodiment of the present invention, the time of mixing is 10-14h.
Further, in a preferred embodiment of the present invention, the time being stirred to react is 5-7h.
Further, in a preferred embodiment of the present invention, crosslinking agent is selected from ethylene glycol dimethacrylate or diethyl
Alkenyl benzene.
Further, in a preferred embodiment of the present invention, modified SiO2Particle, styrene, crosslinking agent mass ratio be 1-
5：20：6-10.
The present invention also provides a kind of composite modified porous PS-SiO of long chain alkyl silane2Composite material is by above-mentioned
The composite modified porous PS-SiO of long chain alkyl silane2The preparation method of composite material is prepared.
The composite modified porous PS-SiO of long chain alkyl silane of the embodiment of the present invention2It composite material, preparation method and answers
Advantageous effect is：The composite modified porous PS-SiO of long chain alkyl silane provided in an embodiment of the present invention2The system of composite material
Preparation Method is：It is mixed ethyl alcohol, ethyl orthosilicate, ammonium hydroxide to obtain mixed liquor, at long chain alkyl silane coupling agent hydrolysis
It is added in mixed liquor and is stirred to react after reason, then centrifugation, alcohol are washed, wash, dried, and obtain modified SiO2Particle；It will modified SiO2
Crosslinking agent is added after being scattered in styrene in particle, and Hybrid Heating then instills the aqueous solution containing potassium peroxydisulfate and potassium sulfate and stirs
It mixes and uniformly obtains High Internal Phase Emulsion, insulation reaction 36-54h.The strong composite wood of absorption property can be prepared in the preparation method
Material.In addition the invention further relates to the composite modified porous PS-SiO of long chain alkyl silane that above-mentioned preparation method is prepared2It is compound
Material has the advantages that absorption property is good.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the composite modified porous PS-SiO of long chain alkyl silane prepared by the embodiment of the present invention2Composite material it is infrared
Spectrogram；
Fig. 2 is SiO provided in an embodiment of the present invention2Particle and modified SiO2The SEM of particle schemes；
Fig. 3 is the composite modified porous PS-SiO of long chain alkyl silane provided in an embodiment of the present invention2Composite material and comparison
The SEM figures for the SMO-PS porous materials that example provides；
Fig. 4 is the composite modified porous PS-SiO of long chain alkyl silane provided in an embodiment of the present invention2Composite material and comparison
The stress-strain detection figure for the SMO-PS porous materials that example provides；
Fig. 5 is the composite modified porous PS-SiO of long chain alkyl silane provided in an embodiment of the present invention2Composite material and comparison
The compression strength and compression modulus figure for the SMO-PS porous materials that example provides；
Fig. 6 is the composite modified porous PS-SiO of long chain alkyl silane provided in an embodiment of the present invention2Composite material and comparison
The oil suction detection figure for the SMO-PS porous materials that example provides；
Fig. 7 is the composite modified porous PS-SiO of long chain alkyl silane provided in an embodiment of the present invention2Composite material and comparison
The curve of adsorption kinetics for the SMO-PS porous materials that example provides；
Fig. 8 is the composite modified porous PS-SiO of long chain alkyl silane provided in an embodiment of the present invention2Composite material is to positive second
The adsorption experiment procedure chart of alkane and chloroform.
Specific implementation mode
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, builds according to normal condition or manufacturer
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
A kind of composite modified porous PS-SiO of long chain alkyl silane2The preparation method of composite material, includes the following steps：
Ethyl alcohol, ethyl orthosilicate, ammonium hydroxide are mixed, mixed liquor is obtained, at long chain alkyl silane coupling agent hydrolysis
It is added in mixed liquor and is stirred to react after reason, then centrifugation, alcohol are washed, wash, dried, and obtain modified SiO2Particle；Preferably, it mixes
The time for closing stirring is 10-14h；Preferably, long chain alkyl silane coupling agent is formed at least eight carbon atom alkyls
The silane coupling agent of long-chain；Preferably, long chain alkyl silane coupling agent is selected from n-octytriethoxysilane, n-octyl front three
One kind in oxysilane, dodecyl trimethoxy silane；Preferably, ethyl alcohol, ethyl orthosilicate, ammonium hydroxide and chain alkyl
The mass ratio of silane coupling agent is：60-120：2-4：5-15：4-5g；Hydrolysis process is that long chain alkyl silane coupling agent is added
To pH be 2.5-3.5 ethanol solution in hydrolyze 2-3h；Preferably, the mass fraction of ethyl alcohol is 10-15% in ethanol solution；It is excellent
Choosing, the time being stirred to react is 5-7h.
It will modified SiO2Crosslinking agent is added after being scattered in styrene in particle, and Hybrid Heating then instills and contains potassium peroxydisulfate
It is uniformly mixing to obtain High Internal Phase Emulsion, insulation reaction 36-54h with the aqueous solution of potassium sulfate；Preferably, by modified SiO2Particle makes
It is scattered in styrene with ultrasonication；Preferably, modified SiO2Particle, styrene, crosslinking agent mass ratio be 1-5：20：
6-10；Preferably, crosslinking agent is selected from ethylene glycol dimethacrylate or divinylbenzene；Preferably, in High Internal Phase Emulsion
The mass fraction of water is 80-90%；Preferably, modified SiO2The mass ratio of particle, potassium peroxydisulfate and potassium sulfate is 1-5：1.25-
1.5：0.5-1；Preferably, temperature when insulation reaction is 55-65 DEG C.
The composite modified porous PS-SiO of long chain alkyl silane provided in an embodiment of the present invention2The preparation method of composite material is first
The long chain alkyl silane coupling agent after ethyl alcohol, ethyl orthosilicate, ammonium hydroxide and hydrolysis (first had at least eight carbon atom alkyl groups
At long-chain silane coupling agent) be mixed be modified reaction, modified SiO is prepared2Particle, then will modified SiO2
Particle is added crosslinking agent ethylene glycol dimethacrylate or divinylbenzene and contains over cure after being scattered in styrene monomer
The aqueous solution of sour potassium and potassium sulfate obtains High Internal Phase Emulsion, and keeps the temperature and carry out cross-linking reaction to obtain long chain alkyl silane composite modified
Porous PS-SiO2The strong composite material of adsorption capacity can be prepared in composite material, the preparation method.
A kind of composite modified porous PS-SiO of long chain alkyl silane2Composite material is by above-mentioned long chain alkyl silane
Composite modified porous PS-SiO2The preparation method of composite material is prepared, the composite modified porous PS- of the long chain alkyl silane
SiO2Composite material have very strong toughness and intensity, and have excellent oil absorption, compared to by ethyl alcohol, ethyl orthosilicate,
Ammonium hydroxide is reacted with the silane coupling agent with carbon-carbon double bond after hydrolysis is prepared the composite modified porous PS- of long chain alkyl silane
SiO2Composite material, the embodiment of the present invention is as a result of the silane coupling agent with long-chain to stronger toughness and by force
Degree improves mechanical property and has better oil absorption, and the silane coupling agent reaction with carbon-carbon double bond is used to prepare
The obtained composite modified porous PS-SiO of long chain alkyl silane2Composite material causes crosslinking points to become more meetings since double bond participates in polymerization
Reduce mechanical property.
The embodiment of the invention also discloses the composite modified porous PS-SiO of above-mentioned long chain alkyl silane2Composite material is in grease
Application in separation.
The feature and performance of the present invention are described in further detail with reference to embodiments.
Embodiment 1
Present embodiments provide a kind of composite modified porous PS-SiO of long chain alkyl silane2Composite material, preparation method
It is as follows：
S11, modified SiO is prepared2Particle：Sequentially added into there-necked flask at 25 DEG C 100g ethyl alcohol, 3g ethyl orthosilicates,
10g ammonium hydroxide, magnetic agitation 12h obtain milky mixed solution, and 4.5g is slowly added into mixed solution system pH=3's
(mass ratio of second alcohol and water is 1 to ethanol water：9) n-octytriethoxysilane of prehydrolysis 2h in stirs lower reaction 6h,
Centrifuging and taking lower layer much filtrate after reaction, then wash through multiple alcohol, wash, gained white powder object is placed in baking oven 60
Dry 12h is to get modified SiO at DEG C2Particle.
S12, the composite modified porous PS-SiO of long chain alkyl silane is prepared2Composite material：0.2g is modified SiO2Particle ultrasound
Wavelength-division is dispersed in 4g monomer styrenes, is transferred to equipped with mechanical tool blender, condenser pipe, thermometer and constant pressure funnel
In 250mL four-hole bottles, 1.2g ethylene glycol dimethacrylate is added into four-hole bottle, is warming up to 60 DEG C；Weigh 0.25g over cures
Sour potassium (KPS) and 0.1g potassium sulfates (K2SO4) it is completely soluble in water obtain aqueous solution, then aqueous solution is slowly dropped to four-hole bottle
In, it is dripped off in 20min；Continue to stir 5min after completion of dropwise addition up to High Internal Phase Emulsion；Gained High Internal Phase Emulsion is transferred to
In 50mL plastics stylostomes and in 60 DEG C of isothermal reaction 48h, gained column is the composite modified porous PS- of long chain alkyl silane
SiO2Composite material.
Embodiment 2
Present embodiments provide a kind of composite modified porous PS-SiO of long chain alkyl silane2Composite material, preparation method
It is as follows：
S21, modified SiO is prepared2Particle：Sequentially added into there-necked flask at 25 DEG C 100g ethyl alcohol, 3g ethyl orthosilicates,
10g ammonium hydroxide, magnetic agitation 12h obtain milky mixed solution, and 4.5g is slowly added into mixed solution system pH=3's
(mass ratio of second alcohol and water is 1 to ethanol water：9) n-octytriethoxysilane of prehydrolysis 2h in stirs lower reaction 6h,
Centrifuging and taking lower layer much filtrate after reaction, then wash through multiple alcohol, wash, gained white powder object is placed in baking oven 60
Dry 12h is to get modified SiO at DEG C2Particle.
S22, the composite modified porous PS-SiO of long chain alkyl silane is prepared2Composite material：0.3g is modified SiO2Particle ultrasound
Wavelength-division is dispersed in 4g monomer styrenes, is transferred to equipped with mechanical tool blender, condenser pipe, thermometer and constant pressure funnel
In 250mL four-hole bottles, 1.2g ethylene glycol dimethacrylate is added into four-hole bottle, is warming up to 60 DEG C；Weigh 0.25g over cures
Sour potassium (KPS) and 0.1g potassium sulfates (K2SO4) it is completely soluble in water obtain aqueous solution, then aqueous solution is slowly dropped to four-hole bottle
In, it is dripped off in 20min；Continue to stir 5min after completion of dropwise addition up to High Internal Phase Emulsion；Gained High Internal Phase Emulsion is transferred to
In 50mL plastics stylostomes and in 60 DEG C of isothermal reaction 48h, gained column is the composite modified porous PS- of long chain alkyl silane
SiO2Composite material.
Embodiment 3
Present embodiments provide a kind of composite modified porous PS-SiO of long chain alkyl silane2Composite material, preparation method
It is as follows：
S31, modified SiO is prepared2Particle：Sequentially added into there-necked flask at 25 DEG C 100g ethyl alcohol, 3g ethyl orthosilicates,
10g ammonium hydroxide, magnetic agitation 12h obtain milky mixed solution, and 4.5g is slowly added into mixed solution system pH=3's
(mass ratio of second alcohol and water is 1 to ethanol water：9) the n-octyl trimethoxy silane of prehydrolysis 2h in stirs lower reaction 6h,
Centrifuging and taking lower layer much filtrate after reaction, then wash through multiple alcohol, wash, gained white powder object is placed in baking oven 60
Dry 12h is to get modified SiO at DEG C2Particle.
S32, the composite modified porous PS-SiO of long chain alkyl silane is prepared2Composite material：0.6g is modified SiO2Particle ultrasound
Wavelength-division is dispersed in 4g monomer styrenes, is transferred to equipped with mechanical tool blender, condenser pipe, thermometer and constant pressure funnel
In 250mL four-hole bottles, 1.2g ethylene glycol dimethacrylate is added into four-hole bottle, is warming up to 60 DEG C；Weigh 0.25g over cures
Sour potassium (KPS) and 0.1g potassium sulfates (K2SO4) it is completely soluble in water obtain aqueous solution, then aqueous solution is slowly dropped to four-hole bottle
In, it is dripped off in 20min；Continue to stir 5min after completion of dropwise addition up to High Internal Phase Emulsion；Gained High Internal Phase Emulsion is transferred to
In 50mL plastics stylostomes and in 60 DEG C of isothermal reaction 48h, gained column is the composite modified porous PS- of long chain alkyl silane
SiO2Composite material.
Embodiment 4
Present embodiments provide a kind of composite modified porous PS-SiO of long chain alkyl silane2Composite material, preparation method
It is as follows：
S41, modified SiO is prepared2Particle：Sequentially added into there-necked flask at 25 DEG C 100g ethyl alcohol, 3g ethyl orthosilicates,
10g ammonium hydroxide, magnetic agitation 12h obtain milky mixed solution, and 4.5g is slowly added into mixed solution system pH=3's
(mass ratio of second alcohol and water is 1 to ethanol water：9) the dodecyl trimethoxy silane of prehydrolysis 2h, anti-under stirring in
6h is answered, after reaction centrifuging and taking lower layer much filtrate, then wash, wash through multiple alcohol, gained white powder object is placed in baking oven
In at 60 DEG C dry 12h to get modified SiO2Particle.
S42, the composite modified porous PS-SiO of long chain alkyl silane is prepared2Composite material：1g is modified SiO2Particle ultrasonic wave
It is dispersed in 4g monomer styrenes, transfers to equipped with mechanical tool blender, condenser pipe, thermometer and constant pressure funnel
In 250mL four-hole bottles, 1.2g ethylene glycol dimethacrylate is added into four-hole bottle, is warming up to 60 DEG C；Weigh 0.25g over cures
Sour potassium (KPS) and 0.1g potassium sulfates (K2SO4) it is completely soluble in water obtain aqueous solution, then aqueous solution is slowly dropped to four-hole bottle
In, it is dripped off in 20min；Continue to stir 5min after completion of dropwise addition up to High Internal Phase Emulsion；Gained High Internal Phase Emulsion is transferred to
In 50mL plastics stylostomes and in 60 DEG C of isothermal reaction 48h, gained column is the composite modified porous PS- of long chain alkyl silane
SiO2Composite material.
Comparative example
This comparative example provides that a kind of SMO-PS is composite porous, and preparation method is as follows：
In the 250mL four-hole bottles equipped with mechanical agitator, condenser pipe, thermometer and constant pressure funnel, sequentially add
0.2g emulsifier Span-80,4g styrene monomers and 1.2g ethylene glycol dimethacrylate, are warming up to 60 DEG C；Weigh 0.25g
Potassium peroxydisulfate (KPS) and 0.1g potassium sulfates (K2SO4) it is completely soluble in water obtain aqueous solution, then aqueous solution is slowly dropped to four
In mouth bottle, 20min is dripped off；Completion of dropwise addition continues to stir 5min up to High Internal Phase Emulsion；Gained High Internal Phase Emulsion is transferred to
In 50mL plastics stylostomes and in 60 DEG C of isothermal reaction 48h, gained column is SMO-PS porous materials.
Porous PS-SiO composite modified to long chain alkyl silane provided in an embodiment of the present invention2Composite material and comparative example carry
The SMO-PS porous materials of confession are detected.
Wherein, the composite modified porous PS-SiO of long chain alkyl silane embodiment 1 provided by the invention being prepared2It is multiple
It is as shown in Figure 1 that condensation material carries out infrared spectrum detection.
The modification SiO that the embodiment of the present invention 1 is provided2Particle carries out SEM detections, and the results are shown in Figure 2.
The long chain alkyl silane provided the embodiment of the present invention 1, embodiment 2, embodiment 3, embodiment 4 is composite modified porous
PS-SiO2Composite material carries out SEM detections, and the results are shown in Figure 3, and upper left, upper right, lower-left, bottom right are respectively embodiment in Fig. 3
1, the composite modified porous PS-SiO of long chain alkyl silane that embodiment 2, embodiment 3, embodiment 4 provide2The SEM of composite material
Figure.
The SMO-PS porous materials and the embodiment of the present invention 1, embodiment 2, embodiment 3, embodiment 4 provide comparative example carries
The composite modified porous PS-SiO of long chain alkyl silane of confession2Composite material carries out stress-strain detection, and the results are shown in Figure 4
(5%SiO2, 7.5%SiO2, 15%SiO2, 25%SiO2Corresponding embodiment 1, embodiment 2, embodiment 3 and embodiment 4 are made respectively
The standby obtained composite modified porous PS-SiO of long chain alkyl silane2Composite material, 5%Span-80 correspond to comparative example offer
SMO-PS porous materials), it is seen that the composite modified porous PS-SiO of long chain alkyl silane provided in an embodiment of the present invention2Composite material
Compared to the extensibility and flexibility that the SMO-PS porous materials that comparative example provides have bigger.
The SMO-PS porous materials and the embodiment of the present invention 1, embodiment 2, embodiment 3, embodiment 4 provide comparative example carries
The composite modified porous PS-SiO of long chain alkyl silane of confession2Composite material carries out compressive strength detection, and it is (horizontal that the results are shown in Figure 5
Coordinate 0,5,7.5,15,25 corresponds to the SMO-PS porous materials and embodiment 1, embodiment 2, embodiment 3 of comparative example preparation respectively
The composite modified porous PS-SiO of long chain alkyl silane being prepared with embodiment 42Composite material), it is seen that the embodiment of the present invention
The composite modified porous PS-SiO of long chain alkyl silane of offer2Composite material is compared to the SMO-PS porous materials tool that comparative example provides
There are the compression strength and compression modulus of bigger.
The long chain alkyl silane provided the embodiment of the present invention 1, embodiment 2, embodiment 3, embodiment 4 is composite modified porous
PS-SiO2Composite material carries out oil suction detection, and the results are shown in Figure 6, and (abscissa 5,7.5,15,25 distinguishes corresponding embodiment 1, reality
Apply the composite modified porous PS-SiO of long chain alkyl silane that example 2, embodiment 3 and embodiment 4 are prepared2Composite material), it is seen that
The composite modified porous PS-SiO of long chain alkyl silane provided in an embodiment of the present invention2Composite material has stronger oil absorption.
Detect the composite modified porous PS-SiO of long chain alkyl silane that the embodiment of the present invention 2 provides2The absorption of composite material
Data obtain curve of adsorption kinetics, as shown in Figure 7.
The composite modified porous PS-SiO of long chain alkyl silane provided using the embodiment of the present invention 12Composite material is in water
N-hexane and chloroform adsorbed respectively, and digital filming is carried out to process, the results are shown in Figure 8, wherein n-hexane and
Chloroform carries out dyeing processing with Sudan red I.
In conclusion the composite modified porous PS-SiO of long chain alkyl silane provided in an embodiment of the present invention2Composite material has
Have the advantages that excellent in mechanical performance, oil-water separation are good.The composite modified porous PS-SiO of the long chain alkyl silane2Composite material
Preparation method the composite material with strong adsorption capacity can be prepared.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.The reality of the present invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (10)
1. a kind of composite modified porous PS-SiO of long chain alkyl silane2The preparation method of composite material, which is characterized in that including with
Lower step：
Ethyl alcohol, ethyl orthosilicate, ammonium hydroxide are mixed, mixed liquor is obtained, after long chain alkyl silane coupling agent hydrolysis process
It is added in the mixed liquor and is stirred to react, then centrifugation, alcohol are washed, wash, dried, and obtain modified SiO2Particle；
By the modified SiO2Particle, which is scattered in after styrene, is added crosslinking agent, Hybrid Heating, then instill containing potassium peroxydisulfate and
The aqueous solution of potassium sulfate is uniformly mixing to obtain High Internal Phase Emulsion, insulation reaction 36-54h.
2. the composite modified porous PS-SiO of long chain alkyl silane according to claim 12The preparation method of composite material,
It is characterized in that, the long chain alkyl silane coupling agent is selected from n-octytriethoxysilane, n-octyl trimethoxy silane, just
One kind in dodecyltrimethoxysilane.
3. the composite modified porous PS-SiO of long chain alkyl silane according to claim 12The preparation method of composite material,
Be characterized in that, the ethyl alcohol, the ethyl orthosilicate, the ammonium hydroxide and the long chain alkyl silane coupling agent mass ratio be：
60-120：2-4：5-15：4-5.
4. the composite modified porous PS-SiO of long chain alkyl silane according to claim 12The preparation method of composite material,
It is characterized in that, the hydrolysis process is that long chain alkyl silane coupling agent is added in the ethanol solution that pH is 2.5-3.5 to hydrolyze
2-3h。
5. the composite modified porous PS-SiO of long chain alkyl silane according to claim 42The preparation method of composite material,
It is characterized in that, the mass fraction of ethyl alcohol is 10-15% in the ethanol solution.
6. the composite modified porous PS-SiO of long chain alkyl silane according to claim 12The preparation method of composite material,
It is characterized in that, the time of the mixing is 10-14h.
7. the composite modified porous PS-SiO of long chain alkyl silane according to claim 12The preparation method of composite material,
It is characterized in that, the time being stirred to react is 5-7h.
8. the composite modified porous PS-SiO of long chain alkyl silane according to claim 12The preparation method of composite material,
It is characterized in that, the crosslinking agent is selected from ethylene glycol dimethacrylate or divinylbenzene.
9. the composite modified porous PS-SiO of long chain alkyl silane according to claim 12The preparation method of composite material,
It is characterized in that, the modified SiO2Particle, the styrene, the crosslinking agent mass ratio be 1-5：20：6-10.
10. a kind of composite modified porous PS-SiO of long chain alkyl silane2Composite material, which is characterized in that it is by claim 1-
The composite modified porous PS-SiO of long chain alkyl silane described in any one of 92The preparation method of composite material is prepared.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110423298A (en) * | 2019-07-06 | 2019-11-08 | 湖北大学 | A kind of water-oil separating SiO2/ polystyrene composite porous material preparation method |
| CN111285895A (en) * | 2018-12-10 | 2020-06-16 | 赖荣豊 | Silicon dioxide composite particle with far infrared radiation, organic precursor thereof and application of composite particle |
| CN111647306A (en) * | 2020-07-14 | 2020-09-11 | 南通贝得彩色印刷有限公司 | In situ generation of organized SiO2Environment-friendly enhanced waterborne polyurethane ink and preparation method thereof |
| CN113980577A (en) * | 2021-10-26 | 2022-01-28 | 厦门锶特材料科技有限公司 | Prehydrolysis organic silicon precursor composition for stone protection and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111285895A (en) * | 2018-12-10 | 2020-06-16 | 赖荣豊 | Silicon dioxide composite particle with far infrared radiation, organic precursor thereof and application of composite particle |
| CN110423298A (en) * | 2019-07-06 | 2019-11-08 | 湖北大学 | A kind of water-oil separating SiO2/ polystyrene composite porous material preparation method |
| CN111647306A (en) * | 2020-07-14 | 2020-09-11 | 南通贝得彩色印刷有限公司 | In situ generation of organized SiO2Environment-friendly enhanced waterborne polyurethane ink and preparation method thereof |
| CN111647306B (en) * | 2020-07-14 | 2022-10-11 | 南通贝得彩色印刷有限公司 | In situ generation of organized SiO 2 Environment-friendly enhanced waterborne polyurethane ink and preparation method thereof |
| CN113980577A (en) * | 2021-10-26 | 2022-01-28 | 厦门锶特材料科技有限公司 | Prehydrolysis organic silicon precursor composition for stone protection and preparation method thereof |
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