CN109745956A - A kind of porous nanometer material and preparation method thereof - Google Patents
A kind of porous nanometer material and preparation method thereof Download PDFInfo
- Publication number
- CN109745956A CN109745956A CN201811563311.3A CN201811563311A CN109745956A CN 109745956 A CN109745956 A CN 109745956A CN 201811563311 A CN201811563311 A CN 201811563311A CN 109745956 A CN109745956 A CN 109745956A
- Authority
- CN
- China
- Prior art keywords
- parts
- porous nanometer
- nanometer material
- dendrimers
- azo compound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses a kind of porous nanometer materials and preparation method thereof, raw material includes: azo compound, dendrimers, functional nanomaterials, fluorescent conjugated polymer and deionized water, preparation method is to weigh each raw material respectively according to the ratio, each raw material is mixed, it by being ultrasonically treated after mixing, is reacted in addition reaction kettle, cooling, centrifugation, washing, drying, calcining is to get porous nanometer material；Preparation process of the present invention is simple, it prepares resulting porous nanometer material and the functions such as has absorption, antibacterial, eliminates the unusual smell, the negative oxygen ion generated in the present invention can have pernicious gas reaction with formaldehyde, the toluene in air, realize the thorough decomposition of toxic gas, the combination of Dendrimers and azo compound, so that toxic gas thoroughly decomposes, purification efficiency is improved；In graphene oxide layer over-assemble fluorescent conjugated polymer, realizes and kill harmful bacteria during purifying air.
Description
Technical field
The present invention relates to technical field of nano material, specifically a kind of porous nanometer material and preparation method thereof.
Background technique
The survival of life be unable to do without air, and air pollution can seriously damage our respiratory apparatus lung, cause respiratory tract
Disease influences people's health.With the aggravation of air pollution, people are also more and more urgent for the demand of air cleaning, with
The improvement of people's living standards, people become more concerned with living space, office space, the vehicles, Leisure Consumption place etc.
The quality problems of indoor environment.
Indoors space and furniture, wall, floor, sofa, air cleaning liquid is shone in spray on cabinet, sky can be rapidly removed
Pollutant in gas provides the living environment of health.Have the various air cleaning liquid mainly for the formaldehyde in air, root at present
Mainly have according to mechanism of action: first is that oxidized form, main component is similar to thimerosal, such as adds chlorine dioxide, sodium hypochlorite, sub- chlorine
The various oxidants such as sour sodium oxidize the formaldehyde into removing using the strong oxidizing property of oxidant, and there are strong oxidizing properties for this kind of scavenging solution
Safety problem may be damaged and be damaged to apparatus such as human body and furniture；Second is that photocatalyst-type, is to urge the light such as titanium dioxide
What agent was dispersed in water, advantage is that long-term effect is good；The disadvantage is that purification speed is slow, it is also possible to which harmful intermediate product is raw
At, and furniture such as lacquer painting etc. can be damaged；Third is that absorbent-type, can quick adsorption various pollutants, but due to being present in
Adsorbent spray in water spontaneously dries after shining, and poor, temperature raising that there are adsorption capacities or pollutant concentration are desorbed again when declining
The deficiencies of release；Fourth is that absorbing reaction type, quickly absorbs pollutant using the component in scavenging solution and solid by various effects
Determine pollutant, these effects are generally not that pollutant chemistry is converted to innocuous substance, there is a possibility that discharging again.
Porous nanometer material is a kind of important porous material, its pore diameter range is in 1-100nm, since duct is tiny,
Porous nanometer material is an important branch of nano material, and this kind of material has bigger serface, high porosity, high-penetration
Property, composability, high adsorption, thus be widely used in ion exchange, separation, catalysis, sensor, bio-molecular separation with it is pure
The fields such as change, porous nanometer material is applied has energetically meaning in terms of air cleaning, therefore prepares one kind in air
It is the emphasis studied that purification aspect, which has the porous nanometer material of excellent effect,.
Summary of the invention
The purpose of the present invention is to provide a kind of porous nanometer materials and preparation method thereof, to solve in the prior art ask
Topic.
To achieve the above object, the invention provides the following technical scheme:
A kind of porous nanometer material is prepared by the raw material of following parts by weight: 10-20 parts of azo compound, tree-shaped
20-40 parts of polymer, 30-50 parts of functional nanomaterials, 5-10 parts of fluorescent conjugated polymer and 80-100 parts of deionized water.
Further, the structural formula of azo compound are as follows:
Wherein, R1、R2、R3And R4For any one in alkyl, ester group, hydroxyl, carboxyl or amino, R5For ester group, hydroxyl,
Any one in carboxyl, amino, cyano or amide groups.
Azo compound can decompose at room temperature generates tert-butyl free radical electronics, with alkyl, ester group, cyano, carboxylic
After base, hydroxyl, amino, amide groups etc. modify azo compound, the tert-butyl free radical of azo compound generation
Electronics can be more stable presence, tert-butyl free radical electronics be easy and air in oxygen molecule combine generate negative oxygen ion,
The negative oxygen ion of generation can realize the thorough decomposition of toxic gas with the pernicious gases reaction such as formaldehyde, toluene in air, and
The negative oxygen ion concentration in space can be promoted to 100,000/cm in 5-10min3Left and right.
Further, dendrimers are one of two generations, three polyamide-amine Dendrimers or a variety of.
Dendrimers are also referred to as dendritic macromolecule, it is a kind of around centronucleus, and periphery can modify a large amount of functional groups
Polymer.Molecule itself has the characteristics that nano-scale and intramolecular, and there are larger-size cavity (cage structures).Branch
The every growth generation of type polymer just has one layer of structure, and this class core-shell structure makes intramolecular have certain cavity, these are empty
The presence of chamber, which has, is conducive to the small-molecule substances such as absorption and formaldehyde adsorption, toluene, to play the role of purifying living environment.
Further, the structural formula of three polyamide-amine Dendrimers are as follows:
Two generations, three polyamide-amine Dendrimers tool a large amount of hydrophilic amino and cavity (caged) structure, azo
Compound was attached to for two generations, on three polyamide-amine Dendrimers carriers, was dispersed in two generations, three polyamide-amine branches
In the cavity of type polymer.The combination in two generations, three polyamide-amine Dendrimers and azo compound, so that toxic
Gas thoroughly decomposes, and improves purification efficiency.
Further, fluorescent conjugated polymer be pyridyl group porphyrin, phenyl porphyrin, methylenum careuleum, toluidine blue, haematoporphyrin,
Chlorin or poly- 3- (Isosorbide-5-Nitrae-dioxa -6- bromination trimethylamine groups-hexyl) thiophene-co-3- (Isosorbide-5-Nitrae, 7- trioxa-octane
Base) any one in thiophene.Fluorescent conjugated polymer is made up of many extinction units conjugation, thus has pole
It is strong to catch light ability, in conjunction with the surfaces such as water soluble fluorescent conjugated polymer and bacterium, fungi and virus, light-sensitive material can be used as
Singlet oxygen is generated under white light illumination achievees the effect that sterilization.
Further, poly- 3- (Isosorbide-5-Nitrae-dioxa -6- bromination trimethylamine groups-hexyl) thiophene-co-3- (Isosorbide-5-Nitrae, tri- oxygen of 7-
Miscellaneous-octyl) thiophene structural formula are as follows:
Wherein, m1For 1-20, m2For 1-20.
Further, functional nanomaterials are nano-titanium dioxide, nano zine oxide, nano-zinc sulfide, nano silver, receive
One of rice graphene oxide is a variety of.
Further, nano graphene oxide is the graphene oxide that diameter is 5-100nm, and nano graphene oxide is original
The graphene oxide that sublayer number is 1-20 layers.
In graphene oxide layer over-assemble fluorescent conjugated polymer, the efficiency of absorption PM2.5 is greatly improved, together
When, it realizes and kills harmful bacteria during purifying air.
A kind of preparation method of porous nanometer material, the preparation method the following steps are included:
(1) azo compound, dendrimers, functional nanomaterials, fluorescence conjugated polymerization are weighed respectively according to the ratio
Object and deionized water；
(2) weighed deionized water, azo compound and dendrimers in step (1) are sequentially placed into mixed at high speed
It is mixed in machine, obtains the first mixture, be then put into weighed functional nano material in step (1) into high-speed mixer again
Material and fluorescent conjugated polymer, and continues to mix, obtain the second mixture；
(3) then resulting second mixture of step (2) is put it into hydrothermal reaction kettle and carried out by ultrasonic treatment
Reaction, after reaction, cooled to room temperature, centrifuge separation with water and ethanol washing, are done in thermostatic drying chamber
It is dry；
(4) step (3) resulting product is placed in tube furnace, it is in a nitrogen atmosphere, then, cold by high temperature sintering
But to room temperature, porous nanometer material is obtained.
As optimization, a kind of preparation method of porous nanometer material, the preparation method the following steps are included:
(1) 10-20 parts of azo compounds, 20-40 parts of dendrimers, 30-50 parts of functional nano materials are weighed respectively
Material, 5-10 parts of fluorescent conjugated polymers and 80-100 parts of deionized waters；
(2) weighed deionized water, azo compound and dendrimers in step (1) are sequentially placed into mixed at high speed
In machine, 3-5min is mixed in the case where revolving speed is 1000-2000r/min, the first mixture is obtained, is then put into again into high-speed mixer
Weighed functional nanomaterials and fluorescent conjugated polymer in step (1), and continue in the case where revolving speed is 1000-2000r/min
15-25min is mixed, the second mixture is obtained；
(3) resulting second mixture of step (2) is ultrasonically treated 5-10min, then put it into hydrothermal reaction kettle,
10-18h is reacted at 200-250 DEG C, after reaction, cooled to room temperature, centrifuge separation is washed with the water of heat and ethyl alcohol
It washs, the dry 8-12h in the thermostatic drying chamber that temperature is 80-100 DEG C；
(4) step (3) resulting product is placed in tube furnace, in air atmosphere, with the heating rate of 3-5 DEG C/min
It is heated to 300-500 DEG C, then heat preservation 3-5h is cooled to room temperature with the rate of temperature fall of 2-3 DEG C/min, obtain porous nano material
Material.
Compared with prior art, the beneficial effects of the present invention are:
First is that a kind of preparation process of porous nanometer material of the present invention is simple, and it is convenient and easy, prepare resulting porous nano
Material has absorption, antibacterial, eliminates the unusual smell, goes the functions such as formaldehyde, can not only the toxic gases such as purifying formaldehyde, TVOCs, and can also
Eliminate H2The peculiar smell such as S reduce the CO of the closed interior space2, it is safe to the human body, object is not damaged；
Second is that the negative oxygen ion that a kind of porous nanometer material of the present invention generates can be with the formaldehyde in air, toluene nocuousness
Gas reaction is realized the thorough decomposition of toxic gas, and can be promoted to the negative oxygen ion concentration in space in 5-10 minutes
100000/cm3Left and right；
Third is that Dendrimers tool a large amount of hydrophilic amino and cavity (cage in a kind of porous nanometer material of the present invention
Shape) structure, azo compound is attached on Dendrimers carrier, is dispersed in the cavity of Dendrimers, branch
The combination of type polymer and azo compound improves purification efficiency so that toxic gas thoroughly decomposes；
Fourth is that the fluorescent conjugated polymer in a kind of porous nanometer material of the present invention catches light ability, water solubility with extremely strong
In conjunction with the surfaces such as fluorescent conjugated polymer and bacterium, fungi and virus, list can be generated under white light illumination as light-sensitive material
Line state oxygen achievees the effect that sterilization, in graphene oxide layer over-assemble fluorescent conjugated polymer, greatly improves absorption
The efficiency of PM2.5, meanwhile, it realizes and kills harmful bacteria during purifying air.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1:
A kind of porous nanometer material is prepared by the raw material of following parts by weight: 10 parts of azo compound, two generation polyamides
Amine -20 parts of amine Dendrimers, 30 parts of nano-titanium dioxide, 5 parts of pyridyl group porphyrin and 80 parts of deionized water.
The structural formula of azo compound are as follows:
Wherein, R1、R2、R3And R4Respectively alkyl, ester group, hydroxyl and carboxyl, R5For ester group.
The structural formula of two polyamide-amine Dendrimers are as follows:
A kind of preparation method of porous nanometer material, the preparation method the following steps are included:
(1) 10 parts of azo compounds, 20 part of two polyamide-amine Dendrimers, 30 parts of nanometers two are weighed respectively
Titanium oxide, 5 parts of pyridyl group porphyrins and 80 parts of deionized waters；
(2) by weighed deionized water, azo compound and two polyamide-amine Dendrimers in step (1)
It is sequentially placed into high-speed mixer, mixes 5min in the case where revolving speed is 1000r/min, obtain the first mixture, it is then mixed to high speed again
It is put into weighed nano-titanium dioxide and pyridyl group porphyrin in step (1) in conjunction machine, and continues to mix in the case where revolving speed is 1000r/min
25min is closed, the second mixture is obtained；
(3) resulting second mixture of step (2) is ultrasonically treated 5min, then put it into hydrothermal reaction kettle,
18h is reacted at 200 DEG C, after reaction, cooled to room temperature is centrifugated, and with the water and ethanol washing of heat, is in temperature
Dry 12h in 80 DEG C of thermostatic drying chamber；
(4) step (3) resulting product is placed in tube furnace, in air atmosphere, is added with the heating rate of 3 DEG C/min
To 300 DEG C, then heat preservation 3h is cooled to room temperature with the rate of temperature fall of 2 DEG C/min, obtains porous nanometer material heat.
Embodiment 2:
A kind of porous nanometer material is prepared by the raw material of following parts by weight: 12 parts of azo compound, three generations's polyamides
Amine -25 parts of amine Dendrimers, 35 parts of nano zine oxide, 6 parts of methylenum careuleum and 85 parts of deionized water.
The structural formula of azo compound are as follows:
Wherein, R1、R2、R3And R4Respectively ester group, hydroxyl, carboxyl and amino, R5For hydroxyl.
The structural formula of three polyamide-amine Dendrimers are as follows:
A kind of preparation method of porous nanometer material, the preparation method the following steps are included:
(1) 12 parts of azo compound, 25 parts of three polyamide-amine Dendrimers, nano zine oxide are weighed respectively
35 parts, 6 parts of methylenum careuleum and 85 parts of deionized water；
(2) by weighed deionized water, azo compound and three polyamide-amine Dendrimers in step (1)
It is sequentially placed into high-speed mixer, mixes 4min in the case where revolving speed is 1200r/min, obtain the first mixture, it is then mixed to high speed again
It is put into weighed nano zine oxide and methylenum careuleum in step (1) in conjunction machine, and continues to mix in the case where revolving speed is 1200r/min
16min obtains the second mixture；
(3) resulting second mixture of step (2) is ultrasonically treated 6min, then put it into hydrothermal reaction kettle,
16h is reacted at 220 DEG C, after reaction, cooled to room temperature is centrifugated, and with the water and ethanol washing of heat, is in temperature
Dry 10h in 85 DEG C of thermostatic drying chamber；
(4) step (3) resulting product is placed in tube furnace, in air atmosphere, is added with the heating rate of 4 DEG C/min
To 350 DEG C, then heat preservation 4h is cooled to room temperature with the rate of temperature fall of 2 DEG C/min, obtains porous nanometer material heat.
Embodiment 3:
A kind of porous nanometer material is prepared by the raw material of following parts by weight: 15 parts of azo compound, two generation polyamides
Amine -30 parts of amine Dendrimers, 40 parts of nano silver, 7 parts of haematoporphyrin and 90 parts of deionized water.
The structural formula of azo compound are as follows:
Wherein, R1、R2、R3And R4Respectively hydroxyl, carboxyl, amino and ester group, R5For carboxyl.
The structural formula of two polyamide-amine Dendrimers are as follows:
A kind of preparation method of porous nanometer material, the preparation method the following steps are included:
(1) weigh respectively 15 parts of azo compounds, 30 part of two polyamide-amine Dendrimers, 40 parts of nano silvers,
7 parts of haematoporphyrin and 90 parts of deionized waters；
(2) by weighed deionized water, azo compound and two polyamide-amine Dendrimers in step (1)
It is sequentially placed into high-speed mixer, mixes 4min in the case where revolving speed is 1500r/min, obtain the first mixture, it is then mixed to high speed again
It is put into weighed nano silver and haematoporphyrin in step (1) in conjunction machine, and continues to mix 20min in the case where revolving speed is 1500r/min, obtains
Second mixture；
(3) resulting second mixture of step (2) is ultrasonically treated 7min, then put it into hydrothermal reaction kettle,
14h is reacted at 230 DEG C, after reaction, cooled to room temperature is centrifugated, and with the water and ethanol washing of heat, is in temperature
Dry 9h in 90 DEG C of thermostatic drying chamber；
(4) step (3) resulting product is placed in tube furnace, in air atmosphere, is added with the heating rate of 5 DEG C/min
To 400 DEG C, then heat preservation 5h is cooled to room temperature with the rate of temperature fall of 3 DEG C/min, obtains porous nanometer material heat.
Embodiment 4:
A kind of porous nanometer material is prepared by the raw material of following parts by weight: 18 parts of azo compound, two generation polyamides
Amine -15 parts of amine Dendrimers, 20 parts of three polyamide-amine Dendrimers, 45 parts of nano graphene oxide, poly- 3-
It 8 parts of (Isosorbide-5-Nitrae-dioxa -6- bromination trimethylamine groups-hexyl) thiophene-co-3- (Isosorbide-5-Nitrae, 7- trioxa-octyl) thiophene and goes
95 parts of ionized water.
The structural formula of azo compound are as follows:
Wherein, R1、R2、R3And R4Respectively carboxyl, amino, ester group and hydroxyl, R5For amino.
The structural formula of two polyamide-amine Dendrimers are as follows:
The structural formula of three polyamide-amine Dendrimers are as follows:
Poly- 3- (Isosorbide-5-Nitrae-dioxa -6- bromination trimethylamine groups-hexyl) thiophene-co-3- (Isosorbide-5-Nitrae, 7- trioxa-octyl)
The structural formula of thiophene are as follows:
Wherein, m1It is 5, m2It is 5.
Nano graphene oxide is the graphene oxide that diameter is 50nm, and nano graphene oxide is that the atom number of plies is 10 layers
Graphene oxide.
A kind of preparation method of porous nanometer material, the preparation method the following steps are included:
(1) it is poly- that 18 parts of azo compounds, 15 part of two polyamide-amine Dendrimers, 20 parts of three generations are weighed respectively
Amide-amine Dendrimers, 45 parts of nano graphene oxides, 8 parts of poly- 3- (Isosorbide-5-Nitraes-dioxa -6- bromination trimethylamine groups-hexane
Base) thiophene-co-3- (Isosorbide-5-Nitrae, 7- trioxa-octyl) thiophene and 95 parts of deionized waters；
(2) by weighed deionized water in step (1), azo compound, two polyamide-amine Dendrimers and
Three polyamide-amine Dendrimers are sequentially placed into high-speed mixer, are mixed 4min in the case where revolving speed is 1800r/min, are obtained
Then first mixture is put into step (1) weighed functional nanomaterials and fluorescence conjugated poly- into high-speed mixer again
Object is closed, and continues to mix 18min in the case where revolving speed is 1800r/min, obtains the second mixture；
(3) resulting second mixture of step (2) is ultrasonically treated 8min, then put it into hydrothermal reaction kettle,
12h is reacted at 240 DEG C, after reaction, cooled to room temperature is centrifugated, and with the water and ethanol washing of heat, is in temperature
Dry 9h in 95 DEG C of thermostatic drying chamber；
(4) step (3) resulting product is placed in tube furnace, in air atmosphere, is added with the heating rate of 3 DEG C/min
To 450 DEG C, then heat preservation 4h is cooled to room temperature with the rate of temperature fall of 3 DEG C/min, obtains porous nanometer material heat.
Embodiment 5:
A kind of porous nanometer material is prepared by the raw material of following parts by weight: 20 parts of azo compound, three generations's polyamides
Amine -40 parts of amine Dendrimers dendrimers, 50 parts of nano-zinc sulfide, chlorin or poly- 3- (Isosorbide-5-Nitrae-dioxa -6- bromine
Change trimethylamine groups-hexyl) 10 parts and 100 parts of deionized water of thiophene-co-3- (Isosorbide-5-Nitrae, 7- trioxa-octyl) thiophene.
The structural formula of azo compound are as follows:
Wherein, R1、R2、R3And R4Respectively carboxyl, amino, alkyl and ester group, R5For amide groups.
The structural formula of three polyamide-amine Dendrimers are as follows:
Poly- 3- (Isosorbide-5-Nitrae-dioxa -6- bromination trimethylamine groups-hexyl) thiophene-co-3- (Isosorbide-5-Nitrae, 7- trioxa-octyl)
The structural formula of thiophene are as follows:
Wherein, m1It is 20, m2It is 20.
A kind of preparation method of porous nanometer material, the preparation method the following steps are included:
(1) 20 parts of azo compounds, 40 part of three polyamide-amine Dendrimers, 50 parts of nano-sulfurs are weighed respectively
Change zinc, 10 parts of chlorins or poly- 3- (Isosorbide-5-Nitrae-dioxa -6- bromination trimethylamine groups-hexyl) thiophene-co-3- (Isosorbide-5-Nitrae, 7- tri-
Oxa--octyl) thiophene and 100 parts of deionized waters；
(2) by weighed deionized water, azo compound, three polyamide-amine Dendrimers trees in step (1)
Shaped polymer is sequentially placed into high-speed mixer, is mixed 3min in the case where revolving speed is 2000r/min, is obtained the first mixture, then again
It is put into weighed functional nanomaterials and fluorescent conjugated polymer in step (1) into high-speed mixer, and continues in revolving speed
To mix 15min under 2000r/min, the second mixture is obtained；
(3) resulting second mixture of step (2) is ultrasonically treated 10min, then put it into hydrothermal reaction kettle,
10h is reacted at 250 DEG C, after reaction, cooled to room temperature is centrifugated, and with the water and ethanol washing of heat, is in temperature
Dry 8h in 100 DEG C of thermostatic drying chamber；
(4) step (3) resulting product is placed in tube furnace, in air atmosphere, is added with the heating rate of 5 DEG C/min
To 500 DEG C, then heat preservation 5h is cooled to room temperature with the rate of temperature fall of 3 DEG C/min, obtains porous nanometer material heat.
Effect example 1:
Antibacterial, the performance detection of absorption, antibacterial, suction are carried out to porous nanometer material obtained by the embodiment of the present invention 1 to 5
Attached experiment is carried out according to this field common detection methods, and the results are shown in Table 1.
Antibacterial, the absorption property testing result of 1 embodiment 1 to 5 of table
| Detection project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Antibiotic rate | > 99% | > 99% | > 99% | > 99% | > 99% |
| Foul smell adsorption effect | > 95% | > 93% | > 92% | > 97% | > 91% |
From table 1 it follows that the antibiotic rate of porous nanometer material obtained by the embodiment of the present invention 1 to 5 is all larger than
99%, foul smell adsorption effect shows that porous nanometer material obtained by the embodiment of the present invention 1 to 5 all has 91% or more
Good antibacterial effect and the absorption porous effect of foul smell.
Effect example 2:
(1) laboratory sample: porous nanometer material obtained by the embodiment of the present invention 1 to 5.
(2) implementation method:
(a) purifying formaldehyde efficiency test:, built-in wind indoor in the detection of two 2.5 × 2.5 × 2.0m built with glass
Fan and heating plate, number first, second sensing chamber；The glass plate for taking four pieces of 50 × 50cm is put laboratory sample on a glass, by 4
The glass plate that block is placed with laboratory sample is placed on the quadrangle of first sensing chamber, and position same as first sensing chamber puts four in second sensing chamber
Block does not put the glass plate of laboratory sample, closes sealing first, Yi Liang sensing chamber, takes the formaldehyde of 20ml 37%-40% molten with syringe
Liquid is injected in sensing chamber by being located at the sample introduction aperture above heating plate, and the temperature for controlling heating plate is 35 DEG C, room temperature 26
DEG C, the temperature of sensing chamber is 28 DEG C, respectively in 0.5h and for 24 hours, is sampled by air sampler, then with acetylacetone,2,4-pentanedione spectrophotometric
Method measures the concentration of formaldehyde, deducts the purification efficiency of calculating formaldehyde after the blank of second sensing chamber, specific method is referring to GB50325-
2015。
(b) toluene purification efficiency is tested: toluene purifying rate test method substantially with above-mentioned purifying formaldehyde rate test method,
The toluene amount of injection is 10ml, and the analysis of toluene is directly to be sampled with microsyringe from the sample tap of first, Yi Liang sensing chamber, into
Promoting the circulation of qi analysis of hplc toluene, using hydrogen flame detector.
(c) test is discharged again: the first and second Liang Ge sensing chamber are replaced with fresh air；The glass plate for being placed with laboratory sample is put
Enter a chest, formalin is sprayed in chest, and the evaporating dish that 4 joined formalin is put into chest, seals；
Formaldehyde-treated glass plate is put into sensing chamber afterwards for 24 hours；Formaldehyde and toluene concentration in sampling and testing sensing chamber for 24 hours, measures
Release be known as clean release, indicate discharging again for when pollutants in air concentration is very low laboratory sample；Clean release test
After, it opens heating plate and the temperature of heating plate is risen to 120 DEG C, room temperature is 26 DEG C, and detecting room temperature at this time is 50 DEG C,
Formaldehyde and toluene concentration in 24hHou sampling and testing sensing chamber, the release measured are known as the release that heats up, and indicate when the temperature increases
Laboratory sample discharges again, and test result summarizes as shown in table 2.
The test result of the formaldehyde of 2 embodiment 1 to 5 of table, toluene purification efficiency
From Table 2, it can be seen that the purifying formaldehyde rate of porous nanometer material obtained by the embodiment of the present invention 1 to 5 exists
97% or more, the clean release rate of formaldehyde is 0, heats up release rate below 1.0%；Obtained by the embodiment of the present invention 1 to 5
Porous nanometer material toluene purifying rate 98% or more, the clean release rate of toluene is 0, heating release rate exist
1.1% or less, the results showed that, porous nanometer material obtained by the embodiment of the present invention 1 to 5 not only increases clean-up effect, and
And discharging when pollutant concentration is lower in air again is avoided, also significantly suppress discharging again for pollutant at high temperature.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
Claims (10)
1. a kind of porous nanometer material, which is characterized in that be prepared by the raw material of following parts by weight: azo compound 10-
20 parts, 20-40 parts of dendrimers, 30-50 parts of functional nanomaterials, 5-10 parts of fluorescent conjugated polymer and deionized water
80-100 parts.
2. a kind of porous nanometer material according to claim 1, which is characterized in that the structural formula of the azo compound
Are as follows:
Wherein, R1、R2、R3And R4For any one in alkyl, ester group, hydroxyl, carboxyl or amino, R5For ester group, hydroxyl, carboxylic
Any one in base, amino, cyano or amide groups.
3. a kind of porous nanometer material according to claim 2, it is characterised in that: the dendrimers are two generations, three
One of polyamide-amine Dendrimers are a variety of.
4. a kind of porous nanometer material according to claim 3, which is characterized in that the three polyamide-amine dendritic
The structural formula of polymer are as follows:
5. a kind of porous nanometer material according to claim 4, it is characterised in that: the fluorescent conjugated polymer is pyridine
Base porphyrin, phenyl porphyrin, methylenum careuleum, toluidine blue, haematoporphyrin, chlorin or poly- 3- (Isosorbide-5-Nitrae-dioxa -6- bromination trimethylamine
Base-hexyl) any one in thiophene-co-3- (Isosorbide-5-Nitrae, 7- trioxa-octyl) thiophene.
6. a kind of porous nanometer material according to claim 5, which is characterized in that the poly- 3- (Isosorbide-5-Nitrae-dioxa -6- bromine
Change trimethylamine groups-hexyl) thiophene-co-3- (Isosorbide-5-Nitrae, 7- trioxa-octyl) thiophene structural formula are as follows:
Wherein, m1For 1-20, m2For 1-20.
7. a kind of porous nanometer material according to any one of claim 1 to 6, it is characterised in that: the functionality is received
Rice material is one of nano-titanium dioxide, nano zine oxide, nano-zinc sulfide, nano silver, nano graphene oxide or more
Kind.
8. a kind of porous nanometer material according to claim 7, it is characterised in that: the nano graphene oxide is diameter
For the graphene oxide of 5-100nm, the nano graphene oxide is the graphene oxide that the atom number of plies is 1-20 layers.
9. a kind of preparation method of porous nanometer material, which is characterized in that the preparation method the following steps are included:
(1) weigh respectively according to the ratio azo compound, dendrimers, functional nanomaterials, fluorescent conjugated polymer and
Deionized water；
(2) weighed deionized water, azo compound and dendrimers in step (1) are sequentially placed into high-speed mixer
Mixed, obtain the first mixture, be then put into again into high-speed mixer in step (1) weighed functional nanomaterials and
Fluorescent conjugated polymer, and continues to mix, obtain the second mixture；
(3) then resulting second mixture of step (2) is put it into hydrothermal reaction kettle and carried out instead by ultrasonic treatment
It answers, after reaction, cooled to room temperature, centrifuge separation with water and ethanol washing, is dried in thermostatic drying chamber；
(4) step (3) resulting product is placed in tube furnace, in a nitrogen atmosphere, by high temperature sintering, it is then cooled to
Room temperature obtains porous nanometer material.
10. a kind of preparation method of porous nanometer material according to claim 9, which is characterized in that the preparation method packet
Include following steps:
(1) 10-20 parts of azo compounds, 20-40 parts of dendrimers, 30-50 parts of functional nanomaterials, 5- are weighed respectively
10 parts of fluorescent conjugated polymers and 80-100 parts of deionized waters；
(2) weighed deionized water, azo compound and dendrimers in step (1) are sequentially placed into high-speed mixer
In, 3-5min is mixed in the case where revolving speed is 1000-2000r/min, the first mixture is obtained, is then put into step into high-speed mixer again
Suddenly weighed functional nanomaterials and fluorescent conjugated polymer in (1), and continue to mix in the case where revolving speed is 1000-2000r/min
15-25min is closed, the second mixture is obtained；
(3) resulting second mixture of step (2) is ultrasonically treated 5-10min, then put it into hydrothermal reaction kettle,
10-18h is reacted at 200-250 DEG C, after reaction, cooled to room temperature, centrifuge separation, with heat water and ethanol washing,
The dry 8-12h in the thermostatic drying chamber that temperature is 80-100 DEG C；
(4) step (3) resulting product is placed in tube furnace, in air atmosphere, is heated with the heating rate of 3-5 DEG C/min
To 300-500 DEG C, then heat preservation 3-5h is cooled to room temperature with the rate of temperature fall of 2-3 DEG C/min, obtains porous nanometer material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811563311.3A CN109745956A (en) | 2018-12-20 | 2018-12-20 | A kind of porous nanometer material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811563311.3A CN109745956A (en) | 2018-12-20 | 2018-12-20 | A kind of porous nanometer material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109745956A true CN109745956A (en) | 2019-05-14 |
Family
ID=66403703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811563311.3A Pending CN109745956A (en) | 2018-12-20 | 2018-12-20 | A kind of porous nanometer material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109745956A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112355039A (en) * | 2020-12-06 | 2021-02-12 | 贵州福泉川东化工有限公司 | Storage and collection integrated double recovery device and recovery method for yellow phosphorus waste residues |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102181843A (en) * | 2011-04-18 | 2011-09-14 | 南昌大学 | Polycrystalline graphene film preparation technique, transparent electrode and preparation of graphene-base device |
| CN106268705A (en) * | 2016-07-31 | 2017-01-04 | 河北工业大学 | A kind of multifunctional air purifying film and preparation method thereof |
| CN107262064A (en) * | 2017-07-26 | 2017-10-20 | 浙江大学 | A kind of preparation method of daiamid grafted graphene oxide cladded type biological micromolecule adsorbent |
| US20170355628A1 (en) * | 2016-06-10 | 2017-12-14 | Ecolab Usa Inc. | Fluorescent water treatment compounds and method of use |
| CN108031254A (en) * | 2017-12-26 | 2018-05-15 | 深圳理科生科技有限公司 | With the material for air purification for producing negative oxygen ion function |
-
2018
- 2018-12-20 CN CN201811563311.3A patent/CN109745956A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102181843A (en) * | 2011-04-18 | 2011-09-14 | 南昌大学 | Polycrystalline graphene film preparation technique, transparent electrode and preparation of graphene-base device |
| US20170355628A1 (en) * | 2016-06-10 | 2017-12-14 | Ecolab Usa Inc. | Fluorescent water treatment compounds and method of use |
| CN106268705A (en) * | 2016-07-31 | 2017-01-04 | 河北工业大学 | A kind of multifunctional air purifying film and preparation method thereof |
| CN107262064A (en) * | 2017-07-26 | 2017-10-20 | 浙江大学 | A kind of preparation method of daiamid grafted graphene oxide cladded type biological micromolecule adsorbent |
| CN108031254A (en) * | 2017-12-26 | 2018-05-15 | 深圳理科生科技有限公司 | With the material for air purification for producing negative oxygen ion function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112355039A (en) * | 2020-12-06 | 2021-02-12 | 贵州福泉川东化工有限公司 | Storage and collection integrated double recovery device and recovery method for yellow phosphorus waste residues |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106215978A (en) | Organic inorganic hybridization mesoporous catalyst for purifying VOCs and preparation method thereof | |
| WO2020192722A1 (en) | Application of fullerene and derivative composite material thereof in degrading formaldehyde, indoor vocs or antibacterial | |
| CN110898372B (en) | Indoor formaldehyde purification method | |
| CN113244962A (en) | Preparation method and application of singlet oxygen generating zirconium porphyrin-based MOF-graphene composite photocatalyst | |
| CN109954384A (en) | The purifying formaldehyde material and preparation method thereof of amino acid is loaded on porous adsorption carrier | |
| CN111346609A (en) | Adsorbing material for heavy metal dye-containing wastewater and preparation method thereof | |
| CN110813306A (en) | Zinc ferrite/bismuth tungstate composite catalyst, preparation method thereof and application thereof in waste gas treatment | |
| CN106474868B (en) | A kind of air cleaning liquid and preparation method thereof | |
| CN112538190B (en) | Air purification material and preparation method thereof | |
| CN109745956A (en) | A kind of porous nanometer material and preparation method thereof | |
| Zhang et al. | The photothermal synergy effect of pure Ti 3 C 2 T x in antibacterial reaction and its mechanism | |
| CN114904582A (en) | Zirconium porphyrin-based MOF/Ag with sterilization performance 2 O-Ag photocatalytic composite material and preparation method and application thereof | |
| CN111215067B (en) | Preparation method and application of lutecium gadolinium modified delta-manganese oxide compound supported platinum catalyst | |
| CN114917960B (en) | Preparation and application of MIL-100 (Fe) -based composite photocatalyst | |
| CN105478075A (en) | Air-purifying modified nano-composite material for aqueous system | |
| CN114573825A (en) | Ligand-exchanged hollow MIL-101 metal organic framework material and preparation method and application thereof | |
| CN113617202A (en) | Composite organic gas pollutant purifying agent with infrared thermal effect and preparation method thereof | |
| CN113842953A (en) | NH2-MIL-88B (Fe) @ TpCp-COFs core-shell composite photo-Fenton catalyst and preparation method thereof | |
| CN114887667A (en) | Preparation method of novel photocatalytic air purification material | |
| CN113368828B (en) | Air purification material of MOF framework carbonization heterojunction and preparation method and application thereof | |
| CN107629675A (en) | A kind of graphene diatom ooze sterilization is except aldehyde coating and preparation method thereof | |
| CN114713814B (en) | Preparation method of core-shell structure carbon-coated silver-zinc nanoparticle antibacterial material | |
| CN111326302B (en) | Core-shell structure magnetic material for industrial clean air and preparation method thereof | |
| CN105482707A (en) | Formaldehyde-removing waterborne sealing primer used for artificial board | |
| CN106593266A (en) | Formaldehyde removal door |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190514 |