CN104324720A - Water purification film and preparation method thereof - Google Patents
Water purification film and preparation method thereof Download PDFInfo
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- CN104324720A CN104324720A CN201410547106.3A CN201410547106A CN104324720A CN 104324720 A CN104324720 A CN 104324720A CN 201410547106 A CN201410547106 A CN 201410547106A CN 104324720 A CN104324720 A CN 104324720A
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- silicate glass
- film
- nanocrystal
- spinning
- water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
The invention discloses a water purification film, which is formed by a silicate glass fiber non-woven membrane and photocatalysis nano crystals attached on the silicate glass fiber non-woven membrane; the diameter of the silicate glass fiber is a nano scale; the photocatalysis nano crystals are one or more of Bi2WO6 nano crystals, TiO2 nano crystals, ZnO nano crystals, CaWO3 nano crystals, SnO2 nano crystals and BiOI nano crystals. The invention also discloses a preparation method of the water purification film. The water purification film has good flexibility, large specific surface area and high chemical and heat stability, and has function for visible light photodegradation of organic pollutant.
Description
Technical field
The present invention relates to Water warfare film applications, particularly a kind of Water warfare thin-film material that there is visible light photocatalytic degradation of organic pollutants function and performance can be reused.
Background technology
Environmental pollution is the world today, particularly the major crisis that faces of developing country.Environmental pollution mainly comprises air pollution, soil pollution and water pollutions.Water is Source of life, and be human being's production and the of paramount importance raw material of life, administering water pollutions is the common severe challenge that mankind nowadays faces.China is one of country that water pollutions is the most serious in the world at present.According to the data of 2005, the section of the whole nation seven large water systems 59% is not suitable for as drinking water source, the lakes and reserviors of 72% is not suitable for as drinking water source, the lakes and reserviors of 43% even loses using function, the whole nation has the body of groundwater of 25% to be polluted, the underground water source of 35% is defective, and plains region about has the underground water of 54% not meet domestic water water standard, city proper underground water severe contamination over half.Chinese environmental protection portion, together with relevant department, works out " water prevention and cure of pollution action plan ", and Science in Future in China will drop into huge fund and administer water pollutions.
Electrostatic spinning is the generally acknowledged current technology that uniquely can realize industrial mass and prepare overlength continuous nano-fibre material.The kinds of fibers that electrostatic spinning can be prepared is many, can the pattern of flexible modulation fiber and structure, and in fiber collecting process, easily realize assembling and the arrangement of fiber.The film that in electricity spinning fibre collection process, fiber stack is formed has the loose structure of huge specific area and three-dimensional UNICOM, and the aperture of loose structure can also be regulated and controled flexibly by the change of spinning technique.Such nano fiber non-woven film has important application in Water warfare.Multiple research unit has carried out large quantifier elimination to the electrostatic spinning film that exploitation is applied to Water warfare in the world, and has applied for that some show the patent of potential using value.The current research about Water warfare electrospun fibers film and patent mainly concentrate in high-molecular organic material.This kind of material has good pliability, convenient design and processing, and of a great variety, and the Water warfare filter membrane choice of design specific function is large.But high-molecular organic material is chemical and heat endurance is poor, and after being stained, (particularly organic matter is stained) is difficult to the recovery being realized its water purifying function by simple ways such as burnings.
On the other hand, the photocatalysis degradation of contaminant of semiconductor is adopted to reach the important research direction that Water warfare object is following Water warfare field.Particularly the photochemical catalyst that light (main part of sunshine) has responded can be carried out purifying water process and can effectively reduce water treatment energy consumption by employing, and is not easy the pollution causing other.Catalysis material is combined the function by giving filter membrane photocatalysis to degrade organic matter with electrospun fibers Water warfare filter membrane.But inorganic-organic chemical property difference larger between photochemical catalyst and Organic Electricity spinning fibre material makes photochemical catalyst have larger difficulty at the appendix on Organic Electricity spinning fibre surface.
Summary of the invention
In order to overcome the above-mentioned shortcoming of prior art with not enough, the object of the present invention is to provide a kind of Water warfare film, not only there is good pliability, huge specific area and high chemistry and heat endurance, there is the function of visible light photocatalytic degradation of organic pollutants simultaneously.
Another object of the present invention is to the preparation method that above-mentioned Water warfare film is provided.
Object of the present invention is achieved through the following technical solutions:
A kind of Water warfare film, is made up of at the photocatalytic nanometer crystal on silicate glass fiber surface silicate glass fiber nonwoven film and appendix;
The diameter of described silicate glass fiber is at nanoscale;
Described photocatalytic nanometer crystal is Bi
2wO
6nanocrystal, TiO
2nanocrystal, ZnO nano crystal, CaWO
3nanocrystal, SnO
2, more than one in BiOI nanocrystal.
The composition of described silicate glass fiber comprises SiO
2, Al
2o
3, ZrO
2, CaO, P
2o
5in more than one.
A preparation method for Water warfare film, comprises the following steps:
(1) by sol-gel technique synthetic silicate glass precursor spinning colloidal sols;
(2) colloidal sol synthesized with step (1), for spinning solution, prepares silicate glass nano fiber non-woven film by electrostatic spinning technique;
(3) by the silicate glass nano fiber non-woven film superficial growth photocatalytic nanometer crystal that hydro-thermal method obtains in step (2), described photocatalytic nanometer crystal is Bi
2wO
6nanocrystal, TiO
2nanocrystal, ZnO nano crystal, CaWO
3nanocrystal, SnO
2, more than one in BiOI nanocrystal.
Step (1) is described by sol-gel technique synthetic silicate glass precursor spinning colloidal sols, is specially:
Be that the HCl solution of 30wt% is with volume ratio 10:(10 ~ 50 by TEOS, EtOH, water and concentration): (1 ~ 3): (0.03 ~ 0.2) mixes, then obtains spinnable precursor spinning colloidal sols by heating hydrolysis and ageing.
The described colloidal sol synthesized with step (1) of step (2), for spinning solution, is prepared silicate glass nano fiber non-woven film by electrostatic spinning technique, is specially:
Step (1) gained precursor spinning colloidal sols is loaded liquid feed device, connect high-voltage DC power supply, continuous print silicate glass nanofiber is prepared by electrostatic spinning, adopt High Rotation Speed electronically controlled motor drive stainless steel drum collect silicate nano-fiber, after spinning terminates by fiber non-woven film from stainless steel drum peel.
Step (3) described Bi
2wO
6the preparation method of nanocrystal is as follows:
By Bi (NO
3)
35H
2o and Na
2wO
42H
2o is dissolved in distilled water with mol ratio 2:1, then adds ethylene glycol, control Bi
2wO
6the concentration of presoma at 0.5 ~ 7.5 mM/l, then by SiO
2electricity spinning fibre film immerses above-mentioned solution, and transfer in band teflon-lined autoclave and carry out hydro-thermal reaction, reaction temperature and time are respectively 120 ~ 160 DEG C and 8 ~ 15 hours.
Compared with prior art, the present invention has the following advantages and beneficial effect:
(1) Water warfare film of the present invention is made up of silicate glass fiber and load photocatalytic nanometer crystal thereon, silicate glass nanofiber adopts collosol and gel and electrostatic spinning technique preparation, have good pliability and high chemistry and heat endurance, its inorganic characteristic makes this fiber be very easy to grow various photocatalysis nano material by simple hydro-thermal method at fiber surface simultaneously.Silicate glass of the present invention-photochemical catalyst composite fiber thin film can realize the continuous filtration process of Water warfare, by visible ray illumination decomposing organic pollutant as Water warfare application.Due to the pure inorganic characteristic of film, this filter membrane also easily passes through subsequent treatment, as simply burned the recovery realizing water purifying function.
(2) because Water warfare filter membrane of the present invention forms the silicate glass fiber of nanoscale is stacking primarily of diameter, and by subsequent treatment at nanocrystals such as fiber surface Coated photocatalyst Bi2WO6, therefore Water warfare filter membrane disclosed by the invention has the function of Visible Light Induced Photocatalytic organic pollution.This fiber membrane is pure inorganic, the high temperature that can tolerate more than 600 DEG C is indeformable, do not burn, when being subject to the recovery that can be realized film water purification function after some organic pollution is stained by simple burning disposal, therefore having and well can reuse performance.Because the diameter of fiber is at nanoscale, and fibrous matrix is closely knit, has good pliability and very high mechanical strength, therefore processes very convenient in the application of reality, realizes the continuous filtration purified treatment of sewage.This Water warfare filter membrane has good chemical stability, humidity, resistance to chemical attack, and this filter membrane material also has good environmental-protecting performance, nonpoisonous and tasteless, is not easy to produce secondary pollution.In addition, this fibrous filter membrane mainly based on electrostatic spinning technique preparation, can realize large-scale production in enormous quantities completely.Therefore nanofiber filter membrane disclosed by the invention is applicable to the application of industrialized Water warfare very much, has very high economy and environment and is worth.
Accompanying drawing explanation
Fig. 1 is SiO prepared by the electrostatic spinning of embodiments of the invention 1
2glass nano-fibre stereoscan photograph.
Fig. 2 is the stereoscan photograph of the Water warfare filter membrane of embodiments of the invention 1.
Fig. 3 is the transmission electron microscope photo of the Water warfare filter membrane of embodiments of the invention 1.
Fig. 4 is SiO
2tensile stress-the strain curve of the Water warfare filter membrane of Electrospun film, embodiments of the invention 1 preparation and the Water warfare filter membrane after thermal shock experiment.
Fig. 5 is that rhodamine B solution irradiates at simulated solar irradiation, SiO
2decomposition kinetics curve under the Water warfare membrane filtration of film and embodiments of the invention 1.
Fig. 6 is the result that the Water warfare filter membrane of embodiments of the invention 1 purifies rhodamine B solution repeatedly.
Fig. 7 is that the Water warfare filter membrane of embodiments of the invention 1 is through changing the photocatalytic degradation effect of rhodamine B solution before and after green alga pollution and after burn off green alga.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1
The present embodiment is with SiO
2by embodiment, the invention will be further described as filter membrane material of main part for the nanofiber prepared of colloidal sol electrostatic spinning; but the protection domain of this patent should do not limited with this, other are all can be used to spinning unorganic glass forerunner colloidal sol and can by hydro-thermal method at the epontic photocatalytic semiconductor material of silicate electricity spinning fibre as TiO
2, ZnO, CaWO
3, SnO
2, BiOI and composition thereof etc. is applicable to Water warfare film disclosed by the invention.
The preparation process of the Water warfare film of the present embodiment is as follows:
Step 1. is with ethyl orthosilicate (TEOS), absolute ethyl alcohol (EtOH), water (H
2o), acid (comprises hydrochloric acid (HCl), nitric acid (HNO
3), sulfuric acid (H
2sO
4), acetic acid) be raw material, synthesize SiO by sol-gel technique
2can spinning colloidal sols.In the present embodiment, with SiO
2colloidal sol be prepared as example.Acid used is hydrochloric acid (HCl), and its concentration is 30wt%.TEOS, EtOH, water and HCl are mixed with volume ratio 10:10:1:0.03 (can also for 10:10:1.5:0.03 or 10:10:2:0.03 or 10:10:1:0.02 or 10:10:1:0.04 or 10:10:1.5:0.02 or 10:10:1.5:0.03 or 10:10:1.5:0.04 or 10:10:2:0.02 or 10:10:2:0.04), then obtains spinnable SiO by heating hydrolysis and ageing
2precursor spinning colloidal sols.The representative temperature of heating hydrolysis is 70-90 DEG C, and typical time period is 2-3 hour; Ageing representative temperature is 40 DEG C, and the time is 5-8 hour.
The colloidal sol that step 2. is synthesized with above-mentioned steps 1, for spinning solution, prepares SiO by electrostatic spinning technique
2glass nano-fibre film.Adopt the motorized pulleys of High Rotation Speed to collect Electrospun nano-fibers in electrostatic spinning process, the fiber spin-off cylinder of collection is obtained the good silicate glass nano-fiber film of pliability.The process of electrostatic spinning is as follows: colloidal sol is loaded liquid feed device, connects high-voltage DC power supply, prepares overlength continuous print SiO by electrostatic spinning
2glass nano-fibre.SiO prepared by the present embodiment
2glass nano-fibre stereoscan photograph as shown in Figure 1.
Step 3.Bi
2wO
6nanocrystalline appendix.First, prepare the hydro-thermal reaction precursor solution of Water warfare film of the present invention: sodium tungstate is added in ethylene glycol, be stirred well to and all dissolve to obtain solution A, then bismuth nitrate is stoichiometrically than slowly adding, and obtains homogeneous solution B.Silicate glass electricity spinning fibre film is put in solution B and carries out hydro-thermal reaction, at fiber surface growth Bi
2wO
6nanocrystalline, obtain Water warfare filter membrane.Particularly, by Bi (NO
3)
35H
2o and Na
2wO
42H
2o is dissolved in (amount of distilled water used is as the criterion with the complete submergence glass fiber membrane of energy) in distilled water with mol ratio 2:1, then adds a certain amount of ethylene glycol.Control Bi
2wO
6the concentration of presoma at 0.5 mM/l, to regulate and control Bi
2wO
6at the stand density of fiber surface.Then by SiO
2electricity spinning fibre film immerses above-mentioned solution, and transfer in band teflon-lined autoclave and carry out hydro-thermal reaction, reaction temperature and time are respectively 120 DEG C and 8 hours.Reaction temperature and time can change, thus regulate Bi
2wO
6at the growing state of fiber surface.After hydro-thermal reaction terminates, fiber membrane is taken out, totally namely obtain final Water warfare filter membrane with water rinse.In the present embodiment, this Water warfare filter membrane is called SBWO film, as shown in Figure 2, transmission electron microscope photo as shown in Figure 3 for its stereoscan photograph.
The test result of the present embodiment is as follows:
SBWO film prepared by the present embodiment has good pliability, and the tearing strength of this fibrous filter membrane is 5.29 Ns (film dimensions is: length × wide × thickness=50mm × 10mm × 0.41mm) after tested, and elastic modelling quantity is 164 n/m 2.Above-mentioned Water warfare filter membrane tensile stress-strain curve is shown in red curve in Fig. 2.Simultaneously, high temperature thermal shock result of the test shows this film good thermal shock resistance, through 600 DEG C of high temperature repeatedly 5 rapid heat cycles (take out after placing 10min in 600 DEG C of Muffle furnaces at every turn, previous step is repeated again after dropping to room temperature, 5 times repeatedly), film can also keep good pliability, and its elastic modelling quantity slightly declines, and becomes 110 n/m about 2.Its stress-strain diagram is shown in Fig. 4.As shown in the stereoscan photograph of Water warfare filter membrane in Fig. 2, the diameter range of the Water warfare filter membrane fiber of the present embodiment is at 200-1000nm, Bi
2wO
6average diameter and the thickness of nanometer sheet are approximately 300nm and 40nm, and the average pore size of three-D pore structure, can suspended particulate substance effectively in filtered water and microorganism at 2 microns.Photocatalytic degradation realizes showing that this film effectively can remove the organic dye molecule (rhodamine B) in water by the method that filtration adds illumination (simulated solar irradiation), as shown in Figure 5.And film repeatedly can carry out the experiment of light degradation rhodamine B and the decline of significant photocatalytic activity not occur, as shown in Figure 6.Cause the decline of its photo-catalysis capability after being stained by organic matter, the recovery of its photo-catalysis function can be realized easily by heat treatment, as shown in Figure 7.This Water warfare filter membrane raw material is common and cheap, and manufacture process is simple, efficient, safety, environmental protection, energy-conservation, easily accomplishes scale production.The capital equipment (electrostatic spinning machine) needed also very simple, be easy to operation, and price is lower, and the electrostatic spinning machine had on the market for suitability for industrialized production is sold.So this Water warfare filter membrane has the feasibility of industrialized mass production completely.
Embodiment 2-25
The silicate Electrospun nano-fibers that the present invention relates to, its composition is with SiO
2for main body, the performance such as mechanics, calorifics that the compositions such as Al2O3, ZrO2 improve fiber also can be added.Be illustrated below by embodiment 2-25.The principal character of embodiment 2-25 have adjusted each mol ratio of adding raw material in spinning colloidal sols, as shown in table 1:
Each raw material mass mixture ratio in the spinning colloidal sols of table 1 embodiment 2-25
The concrete operation step of embodiment 2-25 is:
Step 1. is with ethyl orthosilicate (TEOS), five water aluminum nitrate (Al (NO
3)
35H
2o), five water zirconium nitrate (Zr (NO
3)
25H
2o), absolute ethyl alcohol (EtOH), water (H
2o), hydrochloric acid (HCl), be raw material, can spinning colloidal sols by sol-gel technique synthesis.Above-mentioned raw materials mixes by the proportioning listed by table 1, then obtains spinnable silicate precursor spinning colloidal sols by heating hydrolysis and ageing.Typical sol-hydrolysis is identical with embodiment 1 with the temperature and time of ageing.
The colloidal sol that step 2. is synthesized with above-mentioned steps 1, for spinning solution, prepares silicate glass nano-fiber film by electrostatic spinning technique.Adopt the motorized pulleys of High Rotation Speed to collect Electrospun nano-fibers in electrostatic spinning process, the fiber spin-off cylinder of collection is obtained the good silicate glass nano-fiber film of pliability.The process of electrostatic spinning is as follows: colloidal sol is loaded liquid feed device, connects high-voltage DC power supply, prepares overlength continuous print silicate nano-fiber by electrostatic spinning.
Step 3.Bi
2wO
6nanocrystalline appendix.First, prepare the hydro-thermal reaction precursor solution of Water warfare film of the present invention: sodium tungstate is added in ethylene glycol, be stirred well to and all dissolve to obtain solution A, then bismuth nitrate is stoichiometrically than slowly adding, and obtains homogeneous solution B.Silicate glass electricity spinning fibre film is put in solution B and carries out hydro-thermal reaction, at fiber surface growth Bi
2wO
6nanocrystalline, obtain Water warfare filter membrane.Particularly, by Bi (NO
3)
35H
2o and Na
2wO
42H
2o is dissolved in (amount of distilled water used is as the criterion with the complete submergence glass fiber membrane of energy) in distilled water with mol ratio 2:1, then adds a certain amount of ethylene glycol.Control Bi
2wO
6the concentration of presoma at 7.5 mM/ls, to regulate and control Bi
2wO
6at the stand density of fiber surface.Then by SiO
2electricity spinning fibre film immerses above-mentioned solution, and transfer in band teflon-lined autoclave and carry out hydro-thermal reaction, reaction temperature and time are respectively 160 DEG C and 15 hours.Reaction temperature and time can change, thus regulate Bi
2wO
6at the growing state of fiber surface.After hydro-thermal reaction terminates, fiber membrane is taken out, totally namely obtain final Water warfare filter membrane with water rinse.In this enforcement, this Water warfare filter membrane is called SBWO film.
The test result of embodiment 2-25, by adding Al
2o
3and ZrO
2the mechanical behavior under high temperature of fiber can be improved, be conducive to the recycling performance improving Water warfare film.Other performances of product prepared by embodiment 2-25 are similar to Example 1, do not repeat them here.
Above-described embodiment is the present invention's preferably embodiment, but embodiments of the present invention are not limited by the examples, and e.g., photocatalytic nanometer crystal also can be Bi
2wO
6nanocrystal, TiO
2nanocrystal, ZnO nano crystal, CaWO
3nanocrystal, SnO
2, more than one in BiOI nanocrystal; The composition of described silicate glass fiber also can comprise SiO
2, Al
2o
3, ZrO
2, CaO, P
2o
5in more than one; Change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify, all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (6)
1. a Water warfare film, is characterized in that, is made up of at the photocatalytic nanometer crystal on silicate glass fiber surface silicate glass fiber nonwoven film and appendix;
The diameter of described silicate glass fiber is at nanoscale;
Described photocatalytic nanometer crystal is Bi
2wO
6nanocrystal, TiO
2nanocrystal, ZnO nano crystal, CaWO
3nanocrystal, SnO
2, more than one in BiOI nanocrystal.
2. Water warfare film according to claim 1, is characterized in that, the composition of described silicate glass fiber comprises SiO
2, Al
2o
3, ZrO
2, CaO, P
2o
5in more than one.
3. a preparation method for Water warfare film, is characterized in that, comprises the following steps:
(1) by sol-gel technique synthetic silicate glass precursor spinning colloidal sols;
(2) colloidal sol synthesized with step (1), for spinning solution, prepares silicate glass nano fiber non-woven film by electrostatic spinning technique;
(3) by the silicate glass nano fiber non-woven film superficial growth photocatalytic nanometer crystal that hydro-thermal method obtains in step (2), described photocatalytic nanometer crystal is Bi
2wO
6nanocrystal, TiO
2nanocrystal, ZnO nano crystal, CaWO
3nanocrystal, SnO
2, more than one in BiOI nanocrystal.
4. the preparation method of Water warfare film according to claim 3, is characterized in that, step (1) is described by sol-gel technique synthetic silicate glass precursor spinning colloidal sols, is specially:
Be that the HCl solution of 30wt% is with volume ratio 10:(10 ~ 50 by TEOS, EtOH, water and concentration): (1 ~ 3): (0.03 ~ 0.2) mixes, then obtains spinnable precursor spinning colloidal sols by heating hydrolysis and ageing.
5. the preparation method of Water warfare film according to claim 3, it is characterized in that, the described colloidal sol synthesized with step (1) of step (2), for spinning solution, is prepared silicate glass nano fiber non-woven film by electrostatic spinning technique, is specially:
Step (1) gained precursor spinning colloidal sols is loaded liquid feed device, connect high-voltage DC power supply, continuous print silicate glass nanofiber is prepared by electrostatic spinning, adopt High Rotation Speed electronically controlled motor drive stainless steel drum collect silicate nano-fiber, after spinning terminates by fiber non-woven film from stainless steel drum peel.
6. the preparation method of Water warfare film according to claim 3, is characterized in that, step (3) described Bi
2wO
6the preparation method of nanocrystal is as follows:
By Bi (NO
3)
35H
2o and Na
2wO
42H
2o is dissolved in distilled water with mol ratio 2:1, then adds ethylene glycol, control Bi
2wO
6the concentration of presoma at 0.5 ~ 7.5 mM/l, then by SiO
2electricity spinning fibre film immerses above-mentioned solution, and transfer in band teflon-lined autoclave and carry out hydro-thermal reaction, reaction temperature and time are respectively 120 ~ 160 DEG C and 8 ~ 15 hours.
Priority Applications (1)
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|---|---|---|---|
| CN201410547106.3A CN104324720A (en) | 2014-10-15 | 2014-10-15 | Water purification film and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410547106.3A CN104324720A (en) | 2014-10-15 | 2014-10-15 | Water purification film and preparation method thereof |
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|---|---|
| CN104324720A true CN104324720A (en) | 2015-02-04 |
Family
ID=52399598
Family Applications (1)
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|---|---|---|---|
| CN201410547106.3A Pending CN104324720A (en) | 2014-10-15 | 2014-10-15 | Water purification film and preparation method thereof |
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|---|---|
| CN (1) | CN104324720A (en) |
Cited By (4)
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|---|---|---|---|---|
| CN104722291A (en) * | 2015-04-01 | 2015-06-24 | 安徽工程大学 | Preparation method of nano zinc oxide glass fiber composite material |
| CN105133298A (en) * | 2015-09-30 | 2015-12-09 | 华南理工大学 | Inorganic fire retardant paper and preparation method and application thereof |
| CN108642460A (en) * | 2018-04-17 | 2018-10-12 | 齐鲁工业大学 | Netted compound structure film and toughening synthetic method |
| CN110270355A (en) * | 2018-03-15 | 2019-09-24 | 南开大学 | A kind of preparation method of glass fabric load bismuth oxyiodide photocatalyst film |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104722291A (en) * | 2015-04-01 | 2015-06-24 | 安徽工程大学 | Preparation method of nano zinc oxide glass fiber composite material |
| CN104722291B (en) * | 2015-04-01 | 2017-05-17 | 安徽工程大学 | Preparation method of nano zinc oxide glass fiber composite material |
| CN105133298A (en) * | 2015-09-30 | 2015-12-09 | 华南理工大学 | Inorganic fire retardant paper and preparation method and application thereof |
| CN110270355A (en) * | 2018-03-15 | 2019-09-24 | 南开大学 | A kind of preparation method of glass fabric load bismuth oxyiodide photocatalyst film |
| CN108642460A (en) * | 2018-04-17 | 2018-10-12 | 齐鲁工业大学 | Netted compound structure film and toughening synthetic method |
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