CN104475048A - Preparation method of crosslinking membrane for water processing - Google Patents
Preparation method of crosslinking membrane for water processing Download PDFInfo
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- CN104475048A CN104475048A CN201410618090.0A CN201410618090A CN104475048A CN 104475048 A CN104475048 A CN 104475048A CN 201410618090 A CN201410618090 A CN 201410618090A CN 104475048 A CN104475048 A CN 104475048A
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- furfural
- glucan
- methyl acrylate
- membrane
- ether solution
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- 239000012528 membrane Substances 0.000 title claims abstract description 29
- 238000004132 cross linking Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims abstract description 102
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 claims abstract description 102
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 100
- 229920001503 Glucan Polymers 0.000 claims abstract description 51
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000005266 casting Methods 0.000 claims abstract description 34
- 238000001035 drying Methods 0.000 claims abstract description 34
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 27
- 238000003756 stirring Methods 0.000 claims abstract description 18
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 17
- 239000012153 distilled water Substances 0.000 claims abstract description 17
- 239000011521 glass Substances 0.000 claims abstract description 17
- 238000001291 vacuum drying Methods 0.000 claims abstract description 17
- 230000002035 prolonged effect Effects 0.000 claims description 16
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 239000002351 wastewater Substances 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000008098 formaldehyde solution Substances 0.000 abstract 1
- 239000003999 initiator Substances 0.000 abstract 1
- 238000010345 tape casting Methods 0.000 abstract 1
- 238000005303 weighing Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 61
- 239000000758 substrate Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical class [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000013522 chelant Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 2
- 239000005046 Chlorosilane Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000002120 nanofilm Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- B01J20/26—Synthetic macromolecular compounds
- B01J20/265—Synthetic macromolecular compounds modified or post-treated polymers
- B01J20/267—Cross-linked polymers
-
- 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
-
- 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
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3085—Chemical treatments not covered by groups B01J20/3007 - B01J20/3078
-
- 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
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
-
- 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
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
A disclosed preparation method of a crosslinking membrane for water processing comprises the following steps: respectively weighing a certain amount of glucan, furfural and methyl acrylate, controlling the mass ratio of glucan, furfural and methyl acrylate to be 5-8:3-7:2-3, respectively dissolving glucan, furfural and methyl acrylate into an ethyl ether solution, then adding an initiator azodiisobutyronitrile and a cross-linking agent formaldehyde solution, continuing to stir, and keeping the temperature of 60-80 DEG C in a drying box for 1-24 h; stirring according to the rotation speed of 1000-3000 r/min for 2-4 min, so as to obtain a membrane casting liquid; employing a tape casting method to coat a glass sheet with the generated membrane casting liquid, performing vacuum drying at 60-80 DEG C, taking out and immersing in an ethyl ether solution for 2-4 h, and finally using ethanol and distilled water to wash for multiple times, and drying to obtain the crosslinking membrane. The preparation method is abundant in raw materials, simple in operation and low in energy consumption. The obtained crosslinking membrane is substantially improved in heavy-metal adsorption capacity, is easy to separate from wastewater, is recyclable and usable after being regenerated, is low in cost and does not easily cause secondary pollution.
Description
Technical field
The present invention relates to a kind of preparation method of the cross linking membrane for water treatment.
Background technology
The method of current removal heavy metal ions in wastewater comprises the methods such as chemical precipitation, membrane technology, counter-infiltration and electrochemistry.But most process costs is higher, complicated operation, subsequent treatment difficulty.Wherein absorption method is lower, simple to operate and one of the method be widely adopted of process costs.The manufacture method (with reference to Unexamined Patent 4-132637 publication, Unexamined Patent 4-221630 publication, Unexamined Patent 4-367721 publication) of known several manufacturing chemistry adsorbed monomolecular film, the peel resistance of this chemical adsorption monomolecular film is strong, pore-free, there is nano level thickness, namely transparent high, have and do not affect the gloss of substrate surface and the transparency of base material.But the manufacture method due to existing such chemisorbed film is the active hydrogen generation desalination acid reaction of surfactant by chlorosilane system and substrate surface, forms coating, therefore produce harmful HCl gas when manufacturing film, there is very large problem.Also have alkoxysilane surface activating agent generation dealcoholization to form the trial of molecular film in addition, but exist can not easily film forming problem because reaction speed is slow.Also can consider to use dealcoholysis catalyst, but only add dealcoholysis catalyst, utilize the moisture in air that surfactant self is occurred crosslinked, there is the problem of inactivation.Namely in surface conditioning agent once containing water, then surfactant generation self-crosslinking before react with substrate surface, hinder the reaction in the solid liquid interface of substrate surface, be difficult to formation chemisorbed film.
In order to solve the problem, formed in the method for chemisorbed film at the substrate surface containing active hydrogen, the feature of the manufacture method of known chemisorbed film is, make at least alkoxyl silicone methane series surfactant, not containing the non-water solvent of active hydrogen and the mixed solution containing silanol condensation catalyst and aforementioned substrates surface contact, form the chemisorbed film of the covalent bond combination via siloxane bond on the surface in aforementioned substrates.Silanol condensation catalyst such as has at least one material being selected from carboxylic metallic salt, carboxylate metal's salt, carboxylic metallic salt polymer, carboxylic metallic salt chelate, titanate esters and titanate chelate class.(with reference to Unexamined Patent 8-337654 publication)
Summary of the invention
The object of the invention is to the preparation method proposing a kind of cross linking membrane for water treatment.
For reaching this object, the present invention by the following technical solutions:
A kind of preparation method of the cross linking membrane for water treatment, comprise the following steps: to take a certain amount of glucan, furfural and methyl acrylate respectively, the mass ratio of glucan, furfural and methyl acrylate is 5-8:3-7:2-3, respectively glucan, furfural and methyl acrylate are dissolved in diethyl ether solution, add initator azodiisobutyronitrile and crosslinking agent formalin subsequently, continue to stir, in drying box, be incubated 1-24 hour at 60 ~ 80 DEG C; Be that 1000-3000r/min stirred after 2-4 minute by rotating speed, obtain casting solution; Stream method is prolonged in employing, is applied on the glass sheet by the casting solution generated, and after 60-80 DEG C of vacuum drying, taking-up diethyl ether solution soaks 2-4 hour, and finally repeatedly wash with ethanol and distilled water, drying obtains cross linking membrane.
This preparation method's abundant raw material, simple to operate, energy consumption is low.The adsorption capacity of gained cross linking membrane heavy metal improves greatly, and be easy to be separated from waste water, can be recycled after regeneration, cost is low, not easily causes secondary pollution.
Body embodiment
Embodiment 1
Take a certain amount of glucan, furfural and methyl acrylate respectively, the mass ratio of glucan, furfural and methyl acrylate is 7:7:3, respectively glucan, furfural and methyl acrylate are dissolved in diethyl ether solution, add initator azodiisobutyronitrile and crosslinking agent formalin subsequently, continue to stir, in drying box, be incubated 1-24 hour at 60 ~ 80 DEG C; Be that 1000-3000r/min stirred after 2-4 minute by rotating speed, obtain casting solution; Stream method is prolonged in employing, is applied on the glass sheet by the casting solution generated, and after 60-80 DEG C of vacuum drying, taking-up diethyl ether solution soaks 2-4 hour, and finally repeatedly wash with ethanol and distilled water, drying obtains cross linking membrane.
Embodiment 2
Take a certain amount of glucan, furfural and methyl acrylate respectively, the mass ratio of glucan, furfural and methyl acrylate is 7:7:2, respectively glucan, furfural and methyl acrylate are dissolved in diethyl ether solution, add initator azodiisobutyronitrile and crosslinking agent formalin subsequently, continue to stir, in drying box, be incubated 1-24 hour at 60 ~ 80 DEG C; Be that 1000-3000r/min stirred after 2-4 minute by rotating speed, obtain casting solution; Stream method is prolonged in employing, is applied on the glass sheet by the casting solution generated, and after 60-80 DEG C of vacuum drying, taking-up diethyl ether solution soaks 2-4 hour, and finally repeatedly wash with ethanol and distilled water, drying obtains cross linking membrane.
Embodiment 3
Take a certain amount of glucan, furfural and methyl acrylate respectively, the mass ratio of glucan, furfural and methyl acrylate is 7:6:3, respectively glucan, furfural and methyl acrylate are dissolved in diethyl ether solution, add initator azodiisobutyronitrile and crosslinking agent formalin subsequently, continue to stir, in drying box, be incubated 1-24 hour at 60 ~ 80 DEG C; Be that 1000-3000r/min stirred after 2-4 minute by rotating speed, obtain casting solution; Stream method is prolonged in employing, is applied on the glass sheet by the casting solution generated, and after 60-80 DEG C of vacuum drying, taking-up diethyl ether solution soaks 2-4 hour, and finally repeatedly wash with ethanol and distilled water, drying obtains cross linking membrane.
Embodiment 4
Take a certain amount of glucan, furfural and methyl acrylate respectively, the mass ratio of glucan, furfural and methyl acrylate is 7:6:2, respectively glucan, furfural and methyl acrylate are dissolved in diethyl ether solution, add initator azodiisobutyronitrile and crosslinking agent formalin subsequently, continue to stir, in drying box, be incubated 1-24 hour at 60 ~ 80 DEG C; Be that 1000-3000r/min stirred after 2-4 minute by rotating speed, obtain casting solution; Stream method is prolonged in employing, is applied on the glass sheet by the casting solution generated, and after 60-80 DEG C of vacuum drying, taking-up diethyl ether solution soaks 2-4 hour, and finally repeatedly wash with ethanol and distilled water, drying obtains cross linking membrane.
Embodiment 5
Take a certain amount of glucan, furfural and methyl acrylate respectively, the mass ratio of glucan, furfural and methyl acrylate is 7:5:2, respectively glucan, furfural and methyl acrylate are dissolved in diethyl ether solution, add initator azodiisobutyronitrile and crosslinking agent formalin subsequently, continue to stir, in drying box, be incubated 1-24 hour at 60 ~ 80 DEG C; Be that 1000-3000r/min stirred after 2-4 minute by rotating speed, obtain casting solution; Stream method is prolonged in employing, is applied on the glass sheet by the casting solution generated, and after 60-80 DEG C of vacuum drying, taking-up diethyl ether solution soaks 2-4 hour, and finally repeatedly wash with ethanol and distilled water, drying obtains cross linking membrane.
Embodiment 6
Take a certain amount of glucan, furfural and methyl acrylate respectively, the mass ratio of glucan, furfural and methyl acrylate is 7:4:2, respectively glucan, furfural and methyl acrylate are dissolved in diethyl ether solution, add initator azodiisobutyronitrile and crosslinking agent formalin subsequently, continue to stir, in drying box, be incubated 1-24 hour at 60 ~ 80 DEG C; Be that 1000-3000r/min stirred after 2-4 minute by rotating speed, obtain casting solution; Stream method is prolonged in employing, is applied on the glass sheet by the casting solution generated, and after 60-80 DEG C of vacuum drying, taking-up diethyl ether solution soaks 2-4 hour, and finally repeatedly wash with ethanol and distilled water, drying obtains cross linking membrane.
Embodiment 7
Take a certain amount of glucan, furfural and methyl acrylate respectively, the mass ratio of glucan, furfural and methyl acrylate is 7:4:3, respectively glucan, furfural and methyl acrylate are dissolved in diethyl ether solution, add initator azodiisobutyronitrile and crosslinking agent formalin subsequently, continue to stir, in drying box, be incubated 1-24 hour at 60 ~ 80 DEG C; Be that 1000-3000r/min stirred after 2-4 minute by rotating speed, obtain casting solution; Stream method is prolonged in employing, is applied on the glass sheet by the casting solution generated, and after 60-80 DEG C of vacuum drying, taking-up diethyl ether solution soaks 2-4 hour, and finally repeatedly wash with ethanol and distilled water, drying obtains cross linking membrane.
Embodiment 8
Take a certain amount of glucan, furfural and methyl acrylate respectively, the mass ratio of glucan, furfural and methyl acrylate is 7:3:3, respectively glucan, furfural and methyl acrylate are dissolved in diethyl ether solution, add initator azodiisobutyronitrile and crosslinking agent formalin subsequently, continue to stir, in drying box, be incubated 1-24 hour at 60 ~ 80 DEG C; Be that 1000-3000r/min stirred after 2-4 minute by rotating speed, obtain casting solution; Stream method is prolonged in employing, is applied on the glass sheet by the casting solution generated, and after 60-80 DEG C of vacuum drying, taking-up diethyl ether solution soaks 2-4 hour, and finally repeatedly wash with ethanol and distilled water, drying obtains cross linking membrane.
Embodiment 9
Take a certain amount of glucan, furfural and methyl acrylate respectively, the mass ratio of glucan, furfural and methyl acrylate is 6:3:2, respectively glucan, furfural and methyl acrylate are dissolved in diethyl ether solution, add initator azodiisobutyronitrile and crosslinking agent formalin subsequently, continue to stir, in drying box, be incubated 1-24 hour at 60 ~ 80 DEG C; Be that 1000-3000r/min stirred after 2-4 minute by rotating speed, obtain casting solution; Stream method is prolonged in employing, is applied on the glass sheet by the casting solution generated, and after 60-80 DEG C of vacuum drying, taking-up diethyl ether solution soaks 2-4 hour, and finally repeatedly wash with ethanol and distilled water, drying obtains cross linking membrane.
Embodiment 10
Take a certain amount of glucan, furfural and methyl acrylate respectively, the mass ratio of glucan, furfural and methyl acrylate is 5:4:3, respectively glucan, furfural and methyl acrylate are dissolved in diethyl ether solution, add initator azodiisobutyronitrile and crosslinking agent formalin subsequently, continue to stir, in drying box, be incubated 1-24 hour at 60 ~ 80 DEG C; Be that 1000-3000r/min stirred after 2-4 minute by rotating speed, obtain casting solution; Stream method is prolonged in employing, is applied on the glass sheet by the casting solution generated, and after 60-80 DEG C of vacuum drying, taking-up diethyl ether solution soaks 2-4 hour, and finally repeatedly wash with ethanol and distilled water, drying obtains cross linking membrane.
Embodiment 11
Take a certain amount of glucan, furfural and methyl acrylate respectively, the mass ratio of glucan, furfural and methyl acrylate is 5-8:3-7:2-3, respectively glucan, furfural and methyl acrylate are dissolved in diethyl ether solution, add initator azodiisobutyronitrile and crosslinking agent formalin subsequently, continue to stir, in drying box, be incubated 1-24 hour at 60 ~ 80 DEG C; Be that 1000-3000r/min stirred after 2-4 minute by rotating speed, obtain casting solution; Stream method is prolonged in employing, is applied on the glass sheet by the casting solution generated, and after 60-80 DEG C of vacuum drying, taking-up diethyl ether solution soaks 2-4 hour, and finally repeatedly wash with ethanol and distilled water, drying obtains cross linking membrane.
Embodiment 12
Take a certain amount of glucan, furfural and methyl acrylate respectively, the mass ratio of glucan, furfural and methyl acrylate is 5:4:2, respectively glucan, furfural and methyl acrylate are dissolved in diethyl ether solution, add initator azodiisobutyronitrile and crosslinking agent formalin subsequently, continue to stir, in drying box, be incubated 1-24 hour at 60 ~ 80 DEG C; Be that 1000-3000r/min stirred after 2-4 minute by rotating speed, obtain casting solution; Stream method is prolonged in employing, is applied on the glass sheet by the casting solution generated, and after 60-80 DEG C of vacuum drying, taking-up diethyl ether solution soaks 2-4 hour, and finally repeatedly wash with ethanol and distilled water, drying obtains cross linking membrane.
Embodiment 13
Take a certain amount of glucan, furfural and methyl acrylate respectively, the mass ratio of glucan, furfural and methyl acrylate is 6:7:2, respectively glucan, furfural and methyl acrylate are dissolved in diethyl ether solution, add initator azodiisobutyronitrile and crosslinking agent formalin subsequently, continue to stir, in drying box, be incubated 1-24 hour at 60 ~ 80 DEG C; Be that 1000-3000r/min stirred after 2-4 minute by rotating speed, obtain casting solution; Stream method is prolonged in employing, is applied on the glass sheet by the casting solution generated, and after 60-80 DEG C of vacuum drying, taking-up diethyl ether solution soaks 2-4 hour, and finally repeatedly wash with ethanol and distilled water, drying obtains cross linking membrane.
Embodiment 14
A certain amount of glucan, furfural and methyl acrylate will be taken respectively, the mass ratio of glucan, furfural and methyl acrylate is 5:3:2, respectively glucan, furfural and methyl acrylate are dissolved in diethyl ether solution, add initator azodiisobutyronitrile and crosslinking agent formalin subsequently, continue to stir, in drying box, be incubated 1-24 hour at 60 ~ 80 DEG C; Be that 1000-3000r/min stirred after 2-4 minute by rotating speed, obtain casting solution; Stream method is prolonged in employing, is applied on the glass sheet by the casting solution generated, and after 60-80 DEG C of vacuum drying, taking-up diethyl ether solution soaks 2-4 hour, and finally repeatedly wash with ethanol and distilled water, drying obtains cross linking membrane.
Claims (1)
1. the preparation method for the cross linking membrane of water treatment, it is characterized in that, comprise the following steps: to take a certain amount of glucan, furfural and methyl acrylate respectively, the mass ratio of glucan, furfural and methyl acrylate is 5-8:3-7:2-3, respectively glucan, furfural and methyl acrylate are dissolved in diethyl ether solution, add initator azodiisobutyronitrile and crosslinking agent formalin subsequently, continue to stir, in drying box, be incubated 1-24 hour at 60 ~ 80 DEG C; Be that 1000-3000r/min stirred after 2-4 minute by rotating speed, obtain casting solution; Stream method is prolonged in employing, is applied on the glass sheet by the casting solution generated, and after 60-80 DEG C of vacuum drying, taking-up diethyl ether solution soaks 2-4 hour, and finally repeatedly wash with ethanol and distilled water, drying obtains cross linking membrane.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105440299A (en) * | 2015-08-11 | 2016-03-30 | 无锡桥阳机械制造有限公司 | Preparation method for hydrophilic modified film |
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| EP0748658A2 (en) * | 1995-06-14 | 1996-12-18 | Matsushita Electric Industrial Co., Ltd | A method for manufacturing a chemically adsorbed film and a chemical adsorbent solution for the method |
| CN102430395A (en) * | 2011-10-10 | 2012-05-02 | 沈阳理工大学 | Preparation method of chitosan cross-linked vanillin adsorption film |
| CN102430391A (en) * | 2011-09-11 | 2012-05-02 | 大连理工大学 | A kind of preparation method and application of metal ion imprinted chitosan cross-linked membrane adsorbent |
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| JPH04132637A (en) * | 1990-09-26 | 1992-05-06 | Matsushita Electric Ind Co Ltd | glass |
| EP0511548A2 (en) * | 1991-04-30 | 1992-11-04 | Matsushita Electric Industrial Co., Ltd. | Chemically adsorbed film and method of manufacturing the same |
| EP0748658A2 (en) * | 1995-06-14 | 1996-12-18 | Matsushita Electric Industrial Co., Ltd | A method for manufacturing a chemically adsorbed film and a chemical adsorbent solution for the method |
| CN102430391A (en) * | 2011-09-11 | 2012-05-02 | 大连理工大学 | A kind of preparation method and application of metal ion imprinted chitosan cross-linked membrane adsorbent |
| CN102430395A (en) * | 2011-10-10 | 2012-05-02 | 沈阳理工大学 | Preparation method of chitosan cross-linked vanillin adsorption film |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105440299A (en) * | 2015-08-11 | 2016-03-30 | 无锡桥阳机械制造有限公司 | Preparation method for hydrophilic modified film |
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