CN108467506A - A kind of preparation method of osmos tube - Google Patents
A kind of preparation method of osmos tube Download PDFInfo
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- CN108467506A CN108467506A CN201810282353.3A CN201810282353A CN108467506A CN 108467506 A CN108467506 A CN 108467506A CN 201810282353 A CN201810282353 A CN 201810282353A CN 108467506 A CN108467506 A CN 108467506A
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- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
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- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
- C08J7/0423—Coating with two or more layers, where at least one layer of a composition contains a polymer binder with at least one layer of inorganic material and at least one layer of a composition containing a polymer binder
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- 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
- C08J2329/00—Characterised by the use of homopolymers or 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 alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2329/14—Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
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- 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
- C08J2477/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2477/10—Polyamides derived from aromatically bound amino and carboxyl groups of amino carboxylic acids or of polyamines and polycarboxylic acids
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- Chemical Kinetics & Catalysis (AREA)
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- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
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Abstract
A kind of preparation method of osmos tube disclosed by the invention, includes the following steps：Polyvinyl formal plastic tube is immersed in 5 10min in aqueous phase reactions liquid so that polyvinyl formal plastic tube surfaces externally and internally adsorbs a small amount of water phase；The polyvinyl formal plastic tube for having adsorbed aqueous phase monomers is contacted into 1 2min with oil phase reaction solution, finally polyvinyl formal plastic tube is put into baking oven and carries out 50 60 DEG C of 5 10min of heat treatment, obtains the polyvinyl formal plastic tube of aromatic polyamides reverse osmosis membrane covering.The polyvinyl formal plastics inner tube layer is coated with aromatic polyamides reverse osmosis membrane, and small molecule or ion can be prevented to invade osmos tube, and outer layer is coated with nanometer titanium dioxide coating, can effectively prevent growth of the vegetation on osmos tube.
Description
Technical field
The present invention relates to the technical field of osmos tube, more particularly to a kind of preparation method of osmos tube.
Background technology
Sponge city refers under environmental change, natural calamity, and city can possess preferable elasticity, rain as sponge
Water is risen when season absorb, savings, under blend catharsis, when demand release utilize.To greatest extent with original landform
Looks play the self cleaning to water quality such as the depot action of rainwater, naturally osmotic effect, vegetation and wetland.
In sponge city, technology way that there are many infiltrations of rainwater, wherein osmos tube are since floor space is few, convenient for setting
It sets, can be used in combination with rain pipe system, there is Regulation capacity.But also have disadvantage, for example silt or vegetation root system are certain
Pressure under be easily accessible osmos tube or grown on osmos tube, be easy to cause infiltration blockage, and can be to clean after blocking.
Invention content
The object of the present invention is to provide a kind of preparation method of osmos tube, solve one in above-mentioned prior art problem or
Person is multiple.
A kind of preparation method of osmos tube provided by the invention, includes the following steps：
A1, polyvinyl alcohol is added in agitator tank, a certain amount of deionized water, wherein polyvinyl alcohol and deionization is added
The solid-to-liquid ratio of water is 1:1-1:10, it is stirred by being steam heated to 95-105 DEG C, while by blender, until being dissolved to
Transparent paste cools to 50-60 DEG C；
A2, the hydrochloric acid solution that excessive concentrations are 5-10mol/L is added, using mechanical foaming method, 500-1000r/min's
10-15min is stirred under rotating speed, formaldehyde is added, and is continued to stir 5-10min, the mold of hollow pipe is poured into, in 50-55 DEG C of baking oven
Middle solidification 24-48h, obtains polyvinyl formal plastic tube；
A3, polyvinyl formal plastic tube is immersed in 5-10min in aqueous phase reactions liquid so that polyvinyl formal
Plastic tube surfaces externally and internally adsorbs a small amount of water phase, and after outwelling water phase, polyvinyl formal plastic tube is erect so that residual liquid
Automatically it drains；
A4, the polyvinyl formal plastic tube for having adsorbed aqueous phase monomers and oil phase reaction solution are contacted into 1-2min, taken out
Oil phase solvent rinses polyvinyl formal plastic tube afterwards, unreacted monomer is removed, finally by polyvinyl formal plastics
Pipe, which is put into baking oven, carries out 50-60 DEG C of heat treatment 5-10min, obtains the polyvinyl alcohol contracting first of aromatic polyamides reverse osmosis membrane covering
Aldehyde plastic tube.
In some embodiments, the preparation method of aqueous phase reactions liquid is that m-phenylene diamine (MPD) is dissolved in distilled water, is arranged to
The m-phenylene diamine (MPD) aqueous phase reactions liquid for being 2% to mass concentration.
In some embodiments, the preparation method of oil phase reaction solution is molten for pyromellitic trimethylsilyl chloride powder is dissolved into oil phase
In agent, by being ultrasonically treated until being completely dissolved, configuration obtains the pyromellitic trimethylsilyl chloride that mass concentration is 0.1%.
In some embodiments, oil phase solvent is one or more in dichloromethane, triglyceride or ethyl acetate.
In some embodiments, further comprising the steps of：In the polyvinyl alcohol contracting of aromatic polyamides reverse osmosis membrane covering
The outer surface of formaldehyde plastic tube is coated with nanometer titanium dioxide coating.
In some embodiments, the method for coated with nano titania coating covers aromatic polyamides reverse osmosis membrane
Polyvinyl formal plastic tube is immersed in 10-20min in the colloidal sol of titanate, is dried again with 50-60 DEG C in baking oven later
Dry 1-4h obtains outer layer and is coated with nanometer titanium dioxide coating, and internal layer is coated with the polyvinyl alcohol of aromatic polyamides reverse osmosis membrane
Formal plastic tube.
In some embodiments, the preparation method of nano titanium oxide dispersion includes the following steps：By four fourth of metatitanic acid
1.5mol/L is added dropwise in ester-1Potassium acetate solution in and stir, the volume ratio of the butyl titanate and potassium acetate is 1:1-
1:2, the solution being configured to obtains the colloidal sol for being used to prepare titanate after being aged 24-36h again.
A kind of preparation method of osmos tube, includes the following steps：
B1, polyvinyl alcohol is added in agitator tank, a certain amount of deionized water, wherein polyvinyl alcohol and deionization is added
The solid-to-liquid ratio of water is 1:1-1:10, it is stirred by being steam heated to 95-105 DEG C, while by blender, until being dissolved to
Transparent paste cools to 50-60 DEG C；
B2, the hydrochloric acid solution that excessive concentrations are 5-10mol/L is added, using mechanical foaming method, 500-1000r/min's
10-15min is stirred under rotating speed, formaldehyde is added, and is continued to stir 5-10min, the mold of hollow pipe is poured into, in 50-55 DEG C of baking oven
Middle solidification 24-48h, obtains polyvinyl formal plastic tube；
B3, m-phenylene diamine (MPD) is dissolved in distilled water, configuration obtains the m-phenylene diamine (MPD) aqueous phase reactions liquid that mass concentration is 2%；
B4, polyvinyl formal plastic tube is immersed in 5-10min in aqueous phase reactions liquid so that polyvinyl formal
Plastic tube surfaces externally and internally adsorbs a small amount of water phase, and after outwelling water phase, polyvinyl formal plastic tube is erect so that residual liquid
Automatically it drains；
B5, pyromellitic trimethylsilyl chloride powder is dissolved into oil phase solvent, by being ultrasonically treated until being completely dissolved, is arranged to
The pyromellitic trimethylsilyl chloride for being 0.1% to mass concentration；
B6, the polyvinyl formal plastic tube for having adsorbed aqueous phase monomers and oil phase reaction solution are contacted into 1-2min, taken out
Oil phase solvent rinses polyvinyl formal plastic tube afterwards, unreacted monomer is removed, finally by polyvinyl formal plastics
Pipe, which is put into baking oven, carries out 50-60 DEG C of heat treatment 5-10min, obtains the polyvinyl alcohol contracting first of aromatic polyamides reverse osmosis membrane covering
Aldehyde plastic tube；
B7,1.5mol/L is added dropwise in butyl titanate-1Potassium acetate solution in and stir, the butyl titanate with
The volume ratio of potassium acetate is 1:1-1:2, the solution being configured to obtains the colloidal sol for being used to prepare titanate after being aged 24-36h again；
B8, the polyvinyl formal plastic tube that aromatic polyamides reverse osmosis membrane covers is immersed in the colloidal sol of titanate
10-20min carries out drying 1-4h in baking oven with 50-60 DEG C again later, obtains outer layer and is coated with nanometer titanium dioxide coating, interior
Layer is coated with the polyvinyl formal plastic tube of aromatic polyamides reverse osmosis membrane.
Advantageous effect：The present invention uses and uses double-layer structure on polyvinyl formal plastic tube, and outer layer is coated with and receives
Rice coating of titanium dioxide, internal layer are coated with aromatic polyamides reverse osmosis membrane.The nanometer titanium dioxide coating of outer layer is in sunlight
Photocatalytic effect can occur under irradiation, there is destruction to the vegetation near osmos tube.Principle is as follows：The titanium oxide of outer layer
For layer under the action of sunlight, electronics transits to conduction band from valence band, and the electron-hole pair of generation moves to the table of titanium oxide layer
Face, Hole oxidation is adsorbed there water and generate oxygen that reactive hydroxyl radical free radical and electron reduction are adsorbed and generate
Both superoxide radical plays the role of sterilization, kills vegetation, prevents the root system of vegetation from being grown on osmos tube.Internal layer it is anti-
Permeable formation can effectively prevent small molecule or ion intrusion osmos tube, such as chlorion in aqueous solution from reducing chlorion to oozing
The destruction of saturating pipe.Reverse osmosis is an inverse process of infiltration, and it is highly concentrated that infiltration is that hydrone is penetrated into through semi-permeable membrane by low concentration solution
Solution is spent, until the both sides concentration of film is equal, and reverse osmosis is to utilize half using the pressure difference that the external world applies as driving force
The selection of permeable membrane penetrates characteristic, and small molecule or ion is prevented to invade osmos tube.Polyvinyl formal plastic tube is as infiltration
Pipe, permeability is high, can effectively drain rainwater, avoid blocking.
Specific implementation mode
The present invention is described in more detail below by embodiment.
Case study on implementation 1：
A1, polyvinyl alcohol is added in agitator tank, a certain amount of deionized water, wherein polyvinyl alcohol and deionization is added
The solid-to-liquid ratio of water is 1:1, it is stirred by being steam heated to 95 DEG C, while by blender, until being dissolved to transparent paste,
It cools to 50 DEG C；
The hydrochloric acid solution that a2, addition excessive concentrations are 5mol/L is stirred using mechanical foaming method under the rotating speed of 500r/min
10min is mixed, formaldehyde is added, continues to stir 5min, pours into the mold of hollow pipe, cure in 50 DEG C of baking oven for 24 hours, obtain poly- second
Enol formal plastic tube；
A3, m-phenylene diamine (MPD) is dissolved in distilled water, configuration obtains the m-phenylene diamine (MPD) aqueous phase reactions liquid that mass concentration is 2%；
A4, polyvinyl formal plastic tube is immersed in 5min in aqueous phase reactions liquid so that polyvinyl formal is moulded
Expects pipe surfaces externally and internally adsorbs a small amount of water phase, after outwelling water phase, polyvinyl formal plastic tube is erect and makes residual liquid certainly
It is dynamic to drain；
A5, pyromellitic trimethylsilyl chloride powder is dissolved into oil phase solvent, by being ultrasonically treated until being completely dissolved, is arranged to
The pyromellitic trimethylsilyl chloride for being 0.1% to mass concentration；
A6, the polyvinyl formal plastic tube for having adsorbed aqueous phase monomers and oil phase reaction solution are contacted into 1min, after taking-up
Oil phase solvent rinses polyvinyl formal plastic tube, unreacted monomer is removed, finally by polyvinyl formal plastic tube
It is put into baking oven and carries out 50 DEG C of heat treatment 5min, obtain the polyvinyl formal plastics of aromatic polyamides reverse osmosis membrane covering
Pipe；
A7,1.5mol/L is added dropwise in butyl titanate-1Potassium acetate solution in and stir, the butyl titanate with
The volume ratio of potassium acetate is 1:1, the solution being configured to is aged the colloidal sol for obtaining being used to prepare titanate afterwards for 24 hours again；
A8, the polyvinyl formal plastic tube that aromatic polyamides reverse osmosis membrane covers is immersed in the colloidal sol of titanate
10min carries out drying 1h in baking oven with 50 DEG C again later, obtains outer layer and is coated with nanometer titanium dioxide coating, internal layer is coated with
The polyvinyl formal plastic tube of aromatic polyamides reverse osmosis membrane.
Case study on implementation 2：
B1, polyvinyl alcohol is added in agitator tank, a certain amount of deionized water, wherein polyvinyl alcohol and deionization is added
The solid-to-liquid ratio of water is 1:10, it is stirred by being steam heated to 105 DEG C, while by blender, until being dissolved to transparent paste
Shape cools to 60 DEG C；
B2, the hydrochloric acid solution that excessive concentrations are 10mol/L is added, using mechanical foaming method, under the rotating speed of 1000r/min
15min is stirred, formaldehyde is added, continues to stir 10min, pours into the mold of hollow pipe, cure 48h in 55 DEG C of baking oven, obtain
Polyvinyl formal plastic tube；
B3, m-phenylene diamine (MPD) is dissolved in distilled water, configuration obtains the m-phenylene diamine (MPD) aqueous phase reactions liquid that mass concentration is 2%；
B4, polyvinyl formal plastic tube is immersed in 10min in aqueous phase reactions liquid so that polyvinyl formal is moulded
Expects pipe surfaces externally and internally adsorbs a small amount of water phase, after outwelling water phase, polyvinyl formal plastic tube is erect and makes residual liquid certainly
It is dynamic to drain；
B5, pyromellitic trimethylsilyl chloride powder is dissolved into oil phase solvent, by being ultrasonically treated until being completely dissolved, is arranged to
The pyromellitic trimethylsilyl chloride for being 0.1% to mass concentration；
B6, the polyvinyl formal plastic tube for having adsorbed aqueous phase monomers and oil phase reaction solution are contacted into 2min, after taking-up
Oil phase solvent rinses polyvinyl formal plastic tube, unreacted monomer is removed, finally by polyvinyl formal plastic tube
It is put into baking oven and carries out 60 DEG C of heat treatment 10min, obtain the polyvinyl formal plastics of aromatic polyamides reverse osmosis membrane covering
Pipe；
B7,1.5mol/L is added dropwise in butyl titanate-1Potassium acetate solution in and stir, the butyl titanate with
The volume ratio of potassium acetate is 1:2, the solution being configured to obtains the colloidal sol for being used to prepare titanate after being aged 36h again；
B8, the polyvinyl formal plastic tube that aromatic polyamides reverse osmosis membrane covers is immersed in the colloidal sol of titanate
20min carries out drying 4h in baking oven with 60 DEG C again later, obtains outer layer and is coated with nanometer titanium dioxide coating, internal layer is coated with
The polyvinyl formal plastic tube of aromatic polyamides reverse osmosis membrane.
Case study on implementation 3：
C1, polyvinyl alcohol is added in agitator tank, a certain amount of deionized water, wherein polyvinyl alcohol and deionization is added
The solid-to-liquid ratio of water is 1:8, it is stirred by being steam heated to 100 DEG C, while by blender, until being dissolved to transparent paste
Shape cools to 55 DEG C；
The hydrochloric acid solution that c2, addition excessive concentrations are 8mol/L is stirred using mechanical foaming method under the rotating speed of 800r/min
12min is mixed, formaldehyde is added, continues to stir 8min, pours into the mold of hollow pipe, cure 36h in 52 DEG C of baking oven, obtain poly- second
Enol formal plastic tube；
C3, m-phenylene diamine (MPD) is dissolved in distilled water, configuration obtains the m-phenylene diamine (MPD) aqueous phase reactions liquid that mass concentration is 2%；
C4, polyvinyl formal plastic tube is immersed in 8min in aqueous phase reactions liquid so that polyvinyl formal is moulded
Expects pipe surfaces externally and internally adsorbs a small amount of water phase, after outwelling water phase, polyvinyl formal plastic tube is erect and makes residual liquid certainly
It is dynamic to drain；
C5, pyromellitic trimethylsilyl chloride powder is dissolved into oil phase solvent, by being ultrasonically treated until being completely dissolved, is arranged to
The pyromellitic trimethylsilyl chloride for being 0.1% to mass concentration；
C6, the polyvinyl formal plastic tube for having adsorbed aqueous phase monomers and oil phase reaction solution are contacted into 1.5min, taken out
Oil phase solvent rinses polyvinyl formal plastic tube afterwards, unreacted monomer is removed, finally by polyvinyl formal plastics
Pipe, which is put into baking oven, carries out 55 DEG C of heat treatment 8min, obtains the polyvinyl formal plastics of aromatic polyamides reverse osmosis membrane covering
Pipe；
C7,1.5mol/L is added dropwise in butyl titanate-1Potassium acetate solution in and stir, the butyl titanate with
The volume ratio of potassium acetate is 1:1.5, the solution being configured to obtains the colloidal sol for being used to prepare titanate after being aged 30h again；
C8, the polyvinyl formal plastic tube that aromatic polyamides reverse osmosis membrane covers is immersed in the colloidal sol of titanate
15min carries out drying 2h in baking oven with 55 DEG C again later, obtains outer layer and is coated with nanometer titanium dioxide coating, internal layer is coated with
The polyvinyl formal plastic tube of aromatic polyamides reverse osmosis membrane.
For the polyvinyl formal plastic tube of case study on implementation provided by the invention as osmos tube, permeability is high, can have
The excretion rainwater of effect, avoids blocking, and internal layer is coated with aromatic polyamides reverse osmosis membrane, and small molecule or ion can be prevented to invade
Enter osmos tube, outer layer is coated with nanometer titanium dioxide coating, can effectively prevent growth of the vegetation on osmos tube.
Presented above is only the preferred embodiment of the present invention, it is noted that those skilled in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these also should be regarded as the protection model of invention
Within enclosing.
Claims (8)
1. a kind of preparation method of osmos tube, which is characterized in that include the following steps：
A1, polyvinyl alcohol is added in agitator tank, is added a certain amount of deionized water, wherein polyvinyl alcohol and deionized water
Solid-to-liquid ratio is 1:1-1:10, it is stirred by being steam heated to 95-105 DEG C, while by blender, it is transparent until being dissolved to
Paste cools to 50-60 DEG C；
A2, the hydrochloric acid solution that excessive concentrations are 5-10mol/L is added, using mechanical foaming method, in the rotating speed of 500-1000r/min
Formaldehyde is added in lower stirring 10-15min, continues to stir 5-10min, pours into the mold of hollow pipe, solid in 50-55 DEG C of baking oven
Change 24-48h, obtains polyvinyl formal plastic tube；
A3, polyvinyl formal plastic tube is immersed in 5-10min in aqueous phase reactions liquid so that polyvinyl formal plastics
Pipe surfaces externally and internally adsorbs a small amount of water phase, after outwelling water phase, polyvinyl formal plastic tube is erect so that residual liquid is automatic
It drains；
A4, the polyvinyl formal plastic tube for having adsorbed aqueous phase monomers and oil phase reaction solution are contacted into 1-2min, it is oily after taking-up
Phase solvent rinses polyvinyl formal plastic tube, removes unreacted monomer, finally puts polyvinyl formal plastic tube
Enter to carry out 50-60 DEG C of heat treatment 5-10min in baking oven, obtains the polyvinyl formal modeling of aromatic polyamides reverse osmosis membrane covering
Expects pipe.
2. a kind of preparation method of osmos tube according to claim 1, which is characterized in that the preparation of the aqueous phase reactions liquid
Method is that m-phenylene diamine (MPD) is dissolved in distilled water, and configuration obtains the m-phenylene diamine (MPD) aqueous phase reactions liquid that mass concentration is 2%.
3. a kind of preparation method of osmos tube according to claim 1, which is characterized in that the preparation of the oil phase reaction solution
Method is that pyromellitic trimethylsilyl chloride powder is dissolved into oil phase solvent, and by being ultrasonically treated until being completely dissolved, configuration obtains matter
Measure a concentration of 0.1% pyromellitic trimethylsilyl chloride.
4. a kind of preparation method of osmos tube according to claim 1 or 3, which is characterized in that the oil phase solvent is
It is one or more in dichloromethane, triglyceride or ethyl acetate.
5. a kind of preparation method of osmos tube according to claim 1, which is characterized in that further comprising the steps of：In virtue
The outer surface of the polyvinyl formal plastic tube of fragrant polyamide reverse osmose membrane covering is coated with nanometer titanium dioxide coating.
6. a kind of preparation method of osmos tube according to claim 5, which is characterized in that the coated with nano titanium oxide applies
The method of layer is that the polyvinyl formal plastic tube that aromatic polyamides reverse osmosis membrane covers is immersed in the colloidal sol of titanate
10-20min carries out drying 1-4h in baking oven with 50-60 DEG C again later, obtains outer layer and is coated with nanometer titanium dioxide coating, interior
Layer is coated with the polyvinyl formal plastic tube of aromatic polyamides reverse osmosis membrane.
7. a kind of preparation method of osmos tube according to claim 6, which is characterized in that the nano-titanium dioxide dispersion
The preparation method of liquid includes the following steps：1.5mol/L is added dropwise in butyl titanate-1Potassium acetate solution in and stir, institute
The volume ratio for stating butyl titanate and potassium acetate is 1:1-1:2, the solution being configured to is used to prepare after being aged 24-36h again
The colloidal sol of titanate.
8. a kind of preparation method of osmos tube, which is characterized in that include the following steps：
B1, polyvinyl alcohol is added in agitator tank, is added a certain amount of deionized water, wherein polyvinyl alcohol and deionized water
Solid-to-liquid ratio is 1:1-1:10, it is stirred by being steam heated to 95-105 DEG C, while by blender, it is transparent until being dissolved to
Paste cools to 50-60 DEG C；
B2, the hydrochloric acid solution that excessive concentrations are 5-10mol/L is added, using mechanical foaming method, in the rotating speed of 500-1000r/min
Formaldehyde is added in lower stirring 10-15min, continues to stir 5-10min, pours into the mold of hollow pipe, solid in 50-55 DEG C of baking oven
Change 24-48h, obtains polyvinyl formal plastic tube；
B3, m-phenylene diamine (MPD) is dissolved in distilled water, configuration obtains the m-phenylene diamine (MPD) aqueous phase reactions liquid that mass concentration is 2%；
B4, polyvinyl formal plastic tube is immersed in 5-10min in aqueous phase reactions liquid so that polyvinyl formal plastics
Pipe surfaces externally and internally adsorbs a small amount of water phase, after outwelling water phase, polyvinyl formal plastic tube is erect so that residual liquid is automatic
It drains；
B5, pyromellitic trimethylsilyl chloride powder is dissolved into oil phase solvent, by being ultrasonically treated until being completely dissolved, configuration obtains matter
Measure a concentration of 0.1% pyromellitic trimethylsilyl chloride；
B6, the polyvinyl formal plastic tube for having adsorbed aqueous phase monomers and oil phase reaction solution are contacted into 1-2min, it is oily after taking-up
Phase solvent rinses polyvinyl formal plastic tube, removes unreacted monomer, finally puts polyvinyl formal plastic tube
Enter to carry out 50-60 DEG C of heat treatment 5-10min in baking oven, obtains the polyvinyl formal modeling of aromatic polyamides reverse osmosis membrane covering
Expects pipe；
B7,1.5mol/L is added dropwise in butyl titanate-1Potassium acetate solution in and stir, the butyl titanate and acetic acid
The volume ratio of potassium is 1:1-1:2, the solution being configured to obtains the colloidal sol for being used to prepare titanate after being aged 24-36h again；
B8, the polyvinyl formal plastic tube that aromatic polyamides reverse osmosis membrane covers is immersed in 10- in the colloidal sol of titanate
20min carries out drying 1-4h in baking oven with 50-60 DEG C again later, obtains outer layer and is coated with nanometer titanium dioxide coating, internal layer applies
It is covered with the polyvinyl formal plastic tube of aromatic polyamides reverse osmosis membrane.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100450486B1 (en) * | 2004-06-18 | 2004-10-01 | 엘지건설 주식회사 | Device for filtering rainwater consisting of non-woven fabric layer, sponge layer and regenerated waste tire filter media layer and wastewater reclamation and reusing system by using the same |
| CN1817423A (en) * | 2006-01-13 | 2006-08-16 | 凯膜过滤技术(上海)有限公司 | Polyamide reverse osmose membrane and production thereof |
| CN101232816A (en) * | 2005-07-28 | 2008-07-30 | 赢创德固赛有限责任公司 | Preparation containing a photocatalytically active metal oxide powder and a wetting agent |
| CN104327201A (en) * | 2014-11-21 | 2015-02-04 | 中国农业科学院农业资源与农业区划研究所 | Polyvinyl formal applied to negative-pressure water seepage device |
| CN107021588A (en) * | 2017-06-20 | 2017-08-08 | 湖南文理学院 | A kind of sponge urban construction osmos tube |
-
2018
- 2018-03-30 CN CN201810282353.3A patent/CN108467506A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100450486B1 (en) * | 2004-06-18 | 2004-10-01 | 엘지건설 주식회사 | Device for filtering rainwater consisting of non-woven fabric layer, sponge layer and regenerated waste tire filter media layer and wastewater reclamation and reusing system by using the same |
| CN101232816A (en) * | 2005-07-28 | 2008-07-30 | 赢创德固赛有限责任公司 | Preparation containing a photocatalytically active metal oxide powder and a wetting agent |
| CN1817423A (en) * | 2006-01-13 | 2006-08-16 | 凯膜过滤技术(上海)有限公司 | Polyamide reverse osmose membrane and production thereof |
| CN104327201A (en) * | 2014-11-21 | 2015-02-04 | 中国农业科学院农业资源与农业区划研究所 | Polyvinyl formal applied to negative-pressure water seepage device |
| CN107021588A (en) * | 2017-06-20 | 2017-08-08 | 湖南文理学院 | A kind of sponge urban construction osmos tube |
Non-Patent Citations (4)
| Title |
|---|
| 李璐海: "《印刷包装功能材料》", 31 January 2013, 中国轻工业出版社 * |
| 水浩然: "《小区雨水收集利用规划与设计》", 30 June 2017, 北京：中国建材工业出版社 * |
| 王杏 等: "《纳米二氧化钛的生产与应用》", 31 July 2014, 贵州科技出版社 * |
| 闫大鹏 等: "《非传统水资源利用技术及应用》", 30 November 2013, 黄河水利出版社 * |
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