CN106750499A - A kind of micropore large surface material for volatile organic contaminant absorption - Google Patents
A kind of micropore large surface material for volatile organic contaminant absorption Download PDFInfo
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
- B01J20/28057—Surface area, e.g. B.E.T specific surface area
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
- B01J20/28078—Pore diameter
- B01J20/2808—Pore diameter being less than 2 nm, i.e. micropores or nanopores
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- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
- C08J3/246—Intercrosslinking of at least two polymers
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/24—Homopolymers or copolymers of amides or imides
- C08L33/26—Homopolymers or copolymers of acrylamide or methacrylamide
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- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
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- C08J2333/00—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/24—Homopolymers or copolymers of amides or imides
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- C08J2475/04—Polyurethanes
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- C08L2203/14—Applications used for foams
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a kind of micropore large surface material for volatile organic contaminant absorption, its formula is as follows:15 30 parts of polyhydroxy polycarboxylic urethane, 20 35 parts of polyacrylamide, 13 parts of catalyst, 37 parts of initiator, 15 30 parts of foaming agent, 13 parts of curing agent, 24 parts of preservative, 35 parts of bleeding agent, 20 30 parts of solvent, 11 15 parts of active carbon nanoparticles, and according to the selection being formulated there is provided material, and preparation method.The inventive method is easy, and process conditions are gentle, low production cost, material structure stabilization, and without high temperature, heat resistance is good, and good corrosion resistance makes full use of the adsorptivity of resin and activated carbon, substantially increases adsorption effect, and adsorption range is wide.
Description
Technical field
The invention belongs to volatile organic contaminant Treatment process field, and in particular to one kind is used for volatility organic contamination
The micropore large surface material of thing absorption.
Background technology
Problem of environmental pollution is one of three large focal spot problems of world today's concern.It not only includes outdoor overall situation,
Also include the pollution problem with people's life indoor environment that is closely bound up, being directly related to health of human body.According to the U.S., one is ground
Study carefully and show, three to five times more serious than outdoor air of the pollution level of room air, under special circumstances, up to 100 times；Room
Interior air can detect hundreds of volatile organic matter (VOC), wherein tens kinds is carcinogenic substance.The most of the time in all one's life of people is
Spend indoors, therefore, indoor air quality condition direct relation human health.Indoor environmental pollution has influence
The features such as scope is wide, time of contact is long, pollutant concentration is high, pollutant deenergized period is long, has become after smoke pollution and light
Global the third-largest pollution after chemical contamination.
VOC（VOC）Refer to the various organic compounds of 50-260 DEG C of boiling point at normal temperatures.VOC is pressed
Its chemical constitution, can be further divided into：Alkanes, aromatic hydrocarbons, esters, aldehydes and other etc..What is identified at present has more than 300
Kind.It is most common to have benzene,toluene,xylene, styrene, trichloro ethylene, chloroform, trichloroethanes, diisocyanate
（TDI）, two isocyanide toluene esters etc..
It is easy to cause acute poisoning during Volatile Organic Compounds in Indoor Air excessive concentration, the lighter occurs head
Bitterly, dizzy, cough, Nausea and vomiting or in dead drunk liquor-saturated shape；Severe one occurs hepatotoxicity or even goes into a coma quickly that what is had there may also be life
Critically ill danger.Hang up one's hat in the interior of VOC pollution, slow poisoning can be caused, damage liver and nerveous system
Unite, cause general weakness, drowsiness, pruitus etc..What is had is also possible to cause endocrinopathy, influences sexual function；Benzene and diformazan
Benzene can also damage system, so that trigger leukaemia.
The processing method of VOCs mainly has absorption method, bioanalysis, combustion method and photocatalytic degradation etc..Wherein absorption method is with it
VOCs removal efficiency higher, low power consuming, low cost turns into VOCs controls the advantages of in the absence of secondary pollution most economical effective
Technology.The high-efficiency adsorbent main active charcoal and zeolite molecular sieve etc. commonly used at present.Activated carbon have high specific surface area and
Pore volume, gas absorption field is applied to because of its gas absorption capacity higher.But due to activated carbon heat endurance compared with
Difference, microcellular structure is complicated, and the gas of absorption is difficult to remove, and regenerability is poor to limit its application in industrial adsorption field.
Therefore, preparing has microcellular structure, and dispersiveness preferably large surface sorbing material is the key for solving the above problems.
The content of the invention
It is an object of the invention to provide a kind of micropore large surface material for volatile organic contaminant absorption, the present invention
Method is easy, and process conditions are gentle, low production cost, material structure stabilization, and without high temperature, heat resistance is good, corrosion resistant
Corrosion is good, makes full use of the adsorptivity of resin and activated carbon, substantially increases adsorption effect, and adsorption range is wide.
A kind of micropore large surface material for volatile organic contaminant absorption, its formula is as follows:
15-30 parts of polyhydroxy polycarboxylic urethane, polyacrylamide 20-35 parts, catalyst 1-3 parts, initiator 3-7 parts, foaming agent 15-30
Part, curing agent 1-3 parts, preservative 2-4 parts, bleeding agent 3-5 parts, solvent 20-30 parts, active carbon nanoparticles 11-15 parts.
The catalyst uses trimethyl silanol, silanetriol, triethyl silanol, the one kind in triphenyl silanol.
The initiator uses benzoyl peroxide/sucrose, benzoyl peroxide/DMA, isopropylbenzene mistake
One kind in hydrogen oxide/tetra- aziridine.
The foaming agent uses azo dicarbonamide or azodiisobutyronitrile.
The curing agent is using the one kind in aminoethyl piperazine, diethylenetriamine, triethylene tetramine.
The preservative is using the one kind in butylated hydroxy anisole, dibutyl hydroxy toluene, tert-butylhydroquinone.
The bleeding agent is using the one kind in AEO, APES, polyethers.
The solvent is using the one kind in ethanol, butanol, isopropanol.
Its step is as follows：
Step 1, polyhydroxy polycarboxylic urethane and polyacrylamide are put into reactor, are stirring evenly and then adding into catalyst and are triggered
Agent, sealing reaction 2-4h；
Step 2, curing agent, foaming agent and preservative is put into reactor and is stirred, until being formed thick；
Step 3, gradient increased temperature reaction is carried out by the reaction solution in step 2, until forming micropore curing materials；
Step 4, active carbon nanoparticles, bleeding agent, solvent are mixed, until forming mixed liquor；
Step 5, micropore curing materials in step 3 are dipped in mixed liquor, and then middle temperature is dried, and obtain micropore large surface material
Material.
Mixing speed in the step 1 is 300-500r/min, and the temperature of the sealing reaction is 100-105 DEG C.
Mixing speed in the step 2 is 1000-1300r/min.
Gradient increased temperature in the step 3 reacts and is：Constant temperature 1-3h under the conditions of 50-60 DEG C, constant temperature 1- under the conditions of 80-90 DEG C
2h, the gradient increased temperature reaction uses warming-in-water.
Middle temperature temperature in the step 5 is 70-80 DEG C.
Compared with prior art, the invention has the advantages that：
1st, the inventive method is easy, and process conditions are gentle, low production cost, material structure stabilization, without high temperature, heatproof
Performance is good, good corrosion resistance, makes full use of the adsorptivity of resin and activated carbon, substantially increases adsorption effect, and adsorption range is wide.
2nd, the present invention can greatly improve resin material intensity, rotproofness and stability by the way of resin crosslinks, adopt
With the mode of gradient increased temperature, the difference of curing agent solidification temperature and the blowing temperature of foaming agent is made full use of, carry out low-temperature setting
Middle temperature foaming, not only with firm microcellular structure, while substantially increasing curability and surface area.
3rd, the present invention carries out dip loading using active carbon nanoparticles, carries out infiltration in microcellular structure, can substantially increase
Absorbent properties and adsorption strength.
4th, preparation method non-environmental-pollution of the invention, meets the environmental requirement of big production, while material property is good, stabilization
Property it is good, adsorption effect is strong, and good corrosion resistance meets the absorption demand of volatile organic contaminant.
Specific embodiment
The present invention is described further with reference to embodiment：
Embodiment 1
A kind of micropore large surface material for volatile organic contaminant absorption, its formula is as follows:
15 parts of polyhydroxy polycarboxylic urethane, 20 parts of polyacrylamide, 1 part of catalyst, 3 parts of initiator, 15 parts of foaming agent, 1 part of curing agent,
2 parts of preservative, 3 parts of bleeding agent, 20 parts of solvent, 11 parts of active carbon nanoparticles.
The catalyst uses trimethyl silanol
The initiator uses benzoyl peroxide/sucrose.
The foaming agent uses azo dicarbonamide.
The curing agent uses aminoethyl piperazine.
The preservative uses butylated hydroxy anisole.
The bleeding agent uses AEO.
The solvent uses ethanol.
Embodiment 2
A kind of micropore large surface material for volatile organic contaminant absorption, its formula is as follows:
30 parts of polyhydroxy polycarboxylic urethane, 35 parts of polyacrylamide, 3 parts of catalyst, 7 parts of initiator, 30 parts of foaming agent, 3 parts of curing agent,
4 parts of preservative, 5 parts of bleeding agent, 30 parts of solvent, 15 parts of active carbon nanoparticles.
The catalyst uses silanetriol.
The initiator uses benzoyl peroxide/DMA.
The foaming agent uses azodiisobutyronitrile.
The curing agent uses diethylenetriamine.
The preservative uses dibutyl hydroxy toluene.
The bleeding agent uses APES.
The solvent uses butanol.
Embodiment 3
A kind of micropore large surface material for volatile organic contaminant absorption, its formula is as follows:
25 parts of polyhydroxy polycarboxylic urethane, 29 parts of polyacrylamide, 2 parts of catalyst, 5 parts of initiator, 24 parts of foaming agent, 2 parts of curing agent,
3 parts of preservative, 4 parts of bleeding agent, 25 parts of solvent, 14 parts of active carbon nanoparticles.
The catalyst uses triethyl silanol.
The initiator uses isopropyl benzene hydroperoxide/tetra- aziridine.
The foaming agent uses azo dicarbonamide.
The curing agent uses triethylene tetramine.
The preservative uses tert-butylhydroquinone.
The bleeding agent uses polyethers.
The solvent uses isopropanol.
Embodiment 4
A kind of preparation process of micropore large surface material for volatile organic contaminant absorption is as follows：
Step 1, polyhydroxy polycarboxylic urethane and polyacrylamide are put into reactor, are stirring evenly and then adding into catalyst and are triggered
Agent, sealing reaction 2h；
Step 2, curing agent, foaming agent and preservative is put into reactor and is stirred, until being formed thick；
Step 3, gradient increased temperature reaction is carried out by the reaction solution in step 2, until forming micropore curing materials；
Step 4, active carbon nanoparticles, bleeding agent, solvent are mixed, until forming mixed liquor；
Step 5, micropore curing materials in step 3 are dipped in mixed liquor, and then middle temperature is dried, and obtain micropore large surface material
Material.
Mixing speed in the step 1 is 300r/min, and the temperature of the sealing reaction is 100 DEG C.
Mixing speed in the step 2 is 1000r/min.
Gradient increased temperature in the step 3 reacts and is：Constant temperature 1h under the conditions of 50 DEG C, constant temperature 1h under the conditions of 80 DEG C, the ladder
Degree temperature reaction uses warming-in-water.
Middle temperature temperature in the step 5 is 70 DEG C.
Embodiment 5
A kind of preparation process of micropore large surface material for volatile organic contaminant absorption is as follows：
Step 1, polyhydroxy polycarboxylic urethane and polyacrylamide are put into reactor, are stirring evenly and then adding into catalyst and are triggered
Agent, sealing reaction 4h；
Step 2, curing agent, foaming agent and preservative is put into reactor and is stirred, until being formed thick；
Step 3, gradient increased temperature reaction is carried out by the reaction solution in step 2, until forming micropore curing materials；
Step 4, active carbon nanoparticles, bleeding agent, solvent are mixed, until forming mixed liquor；
Step 5, micropore curing materials in step 3 are dipped in mixed liquor, and then middle temperature is dried, and obtain micropore large surface material
Material.
Mixing speed in the step 1 is 500r/min, and the temperature of the sealing reaction is 105 DEG C.
Mixing speed in the step 2 is 1300r/min.
Gradient increased temperature in the step 3 reacts and is：Constant temperature 3h under the conditions of 60 DEG C, constant temperature 2h, described under the conditions of 90 DEG C
Gradient increased temperature reaction uses warming-in-water.
Middle temperature temperature in the step 5 is 80 DEG C.
Embodiment 6
A kind of preparation process of micropore large surface material for volatile organic contaminant absorption is as follows：
Step 1, polyhydroxy polycarboxylic urethane and polyacrylamide are put into reactor, are stirring evenly and then adding into catalyst and are triggered
Agent, sealing reaction 3h；
Step 2, curing agent, foaming agent and preservative is put into reactor and is stirred, until being formed thick；
Step 3, gradient increased temperature reaction is carried out by the reaction solution in step 2, until forming micropore curing materials；
Step 4, active carbon nanoparticles, bleeding agent, solvent are mixed, until forming mixed liquor；
Step 5, micropore curing materials in step 3 are dipped in mixed liquor, and then middle temperature is dried, and obtain micropore large surface material
Material.
Mixing speed in the step 1 is 400r/min, and the temperature of the sealing reaction is 102 DEG C.
Mixing speed in the step 2 is 1200r/min.
Gradient increased temperature in the step 3 reacts and is：Constant temperature 1-3h under the conditions of 55 DEG C, constant temperature 2h, described under the conditions of 85 DEG C
Gradient increased temperature reaction uses warming-in-water.
Middle temperature temperature in the step 5 is 75 DEG C.
Application example
1st, the Static Adsorption effect of the PARA FORMALDEHYDE PRILLS(91,95) of embodiment 1
By taking formaldehyde as an example, adsorption capacity of the adsorbent to organic pollution is investigated.Configuration concentration is the formaldehyde Standard Gases of 0.5g/L
Body 2L, 1 cubic decimeter of embodiment 1 is placed in formaldehyde standard gas, circulation absorption 10min, 1 hour is stood, through gas phase color
Concentration of formaldehyde in air after spectrum test absorption, it is 98.3% to calculate clearance.
2nd, the Dynamic Adsorption of the PARA FORMALDEHYDE PRILLS(91,95) of embodiment 1
Configuration concentration is the formaldehyde standard gas 2L of 0.5g/L, and 1 cubic decimeter of embodiment 1 is placed in runner pipe, is passed through first
Aldehyde calibrating gas circulation absorption 10min, the concentration of formaldehyde in air after gas-chromatography test absorption, it is 99.5% to calculate clearance.
3rd, the stability of embodiment 1
（1）After embodiment 1 after Static Adsorption is processed through regeneration, adsorbed according to formaldehyde Staticadsorption experiment again, passed through
Concentration of formaldehyde in air after gas-chromatography test absorption, it is 97.9% to calculate clearance.
（2）After embodiment 1 after Dynamic Adsorption is processed through regeneration, inhaled according to the experiment of formaldehyde Dynamic Adsorption again
It is attached, the concentration of formaldehyde in air after gas-chromatography test absorption, it is 99.4% to calculate clearance.
One embodiment of the invention is the foregoing is only, the present invention, all use equivalents or equivalent transformation is not intended to limit
The technical scheme that is obtained of mode, all fall within protection scope of the present invention.
Claims (9)
1. it is a kind of for volatile organic contaminant absorption micropore large surface material, it is characterised in that its formula is as follows:
15-30 parts of polyhydroxy polycarboxylic urethane, polyacrylamide 20-35 parts, catalyst 1-3 parts, initiator 3-7 parts, foaming agent 15-30
Part, curing agent 1-3 parts, preservative 2-4 parts, bleeding agent 3-5 parts, solvent 20-30 parts, active carbon nanoparticles 11-15 parts.
2. it is according to claim 1 it is a kind of for volatile organic contaminant absorption micropore large surface material, its feature
It is that the catalyst uses trimethyl silanol, silanetriol, triethyl silanol, the one kind in triphenyl silanol.
3. it is according to claim 1 it is a kind of for volatile organic contaminant absorption micropore large surface material, its feature
It is that the initiator uses benzoyl peroxide/sucrose, benzoyl peroxide/DMA, isopropylbenzene peroxidating
One kind in hydrogen/tetra- aziridine.
4. it is according to claim 1 it is a kind of for volatile organic contaminant absorption micropore large surface material, its feature
It is that the foaming agent uses azo dicarbonamide or azodiisobutyronitrile.
5. it is according to claim 1 it is a kind of for volatile organic contaminant absorption micropore large surface material, its feature
It is that the curing agent is using the one kind in aminoethyl piperazine, diethylenetriamine, triethylene tetramine.
6. it is according to claim 1 it is a kind of for volatile organic contaminant absorption micropore large surface material, its feature
It is that the preservative is using the one kind in butylated hydroxy anisole, dibutyl hydroxy toluene, tert-butylhydroquinone.
7. it is according to claim 1 it is a kind of for volatile organic contaminant absorption micropore large surface material, its feature
It is that the bleeding agent is using the one kind in AEO, APES, polyethers.
8. it is according to claim 1 it is a kind of for volatile organic contaminant absorption micropore large surface material, its feature
It is that the solvent is using the one kind in ethanol, butanol, isopropanol.
9. it is according to claim 1 it is a kind of for volatile organic contaminant absorption micropore large surface material, its feature
It is that its step is as follows：
Step 1, polyhydroxy polycarboxylic urethane and polyacrylamide are put into reactor, are stirring evenly and then adding into catalyst and are triggered
Agent, sealing reaction 2-4h；
Step 2, curing agent, foaming agent and preservative is put into reactor and is stirred, until being formed thick；
Step 3, gradient increased temperature reaction is carried out by the reaction solution in step 2, until forming micropore curing materials；
Step 4, active carbon nanoparticles, bleeding agent, solvent are mixed, until forming mixed liquor；
Step 5, micropore curing materials in step 3 are dipped in mixed liquor, and then middle temperature is dried, and obtain micropore large surface material
Material；
Mixing speed in the step 1 is 300-500r/min, and the temperature of the sealing reaction is 100-105 DEG C；
Mixing speed in the step 2 is 1000-1300r/mi；
Gradient increased temperature in the step 3 reacts and is：Constant temperature 1-3h under the conditions of 50-60 DEG C, constant temperature 1-2h under the conditions of 80-90 DEG C,
The gradient increased temperature reaction uses warming-in-water；
Middle temperature temperature in the step 5 is 70-80 DEG C.
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| CN201611029389.8A CN106750499A (en) | 2016-11-22 | 2016-11-22 | A kind of micropore large surface material for volatile organic contaminant absorption |
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| CN114870811A (en) * | 2022-06-24 | 2022-08-09 | 吕梁学院 | Adsorption sedimentation material for radioactive nuclear pollutants in air |
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