CN109647331A - A kind of preparation method and application of composite adsorbing material - Google Patents
A kind of preparation method and application of composite adsorbing material Download PDFInfo
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- CN109647331A CN109647331A CN201811444388.9A CN201811444388A CN109647331A CN 109647331 A CN109647331 A CN 109647331A CN 201811444388 A CN201811444388 A CN 201811444388A CN 109647331 A CN109647331 A CN 109647331A
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- preparation
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- adsorbing material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
- B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
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Abstract
The present invention provides a kind of preparation methods of composite adsorbing material, comprising: mixes absorption particle and 3D printing ink, stirring obtains compound ink;The compound ink is subjected to 3D printing, obtains the precast body of 3D structure;By the precast body aging, drying, heat treatment, composite adsorbing material is obtained.Compared with prior art, the present invention utilizes 3D printing technique, constructs macropore by 3D printing structure in the hierarchical structure of absorption particle, increases the real contact area for being adsorbed matter and adsorbent material, increases diffusion admittance, so that the rate of adsorption is substantially improved.Composite adsorbing material prepared by the present invention has multiple dimensioned hierarchical structure, while saving adsorbent material, it can accelerate the rate of adsorption, it can also guarantee that composite adsorbing material is not easily to fall off with some strength simultaneously, avoid secondary pollution, and simple process, the environmental-protection adsorption of design production and material to composite material or sustained release application etc. are of great significance.
Description
Technical field
The present invention relates to adsorbent material technical field more particularly to a kind of preparation method and application of composite adsorbing material.
Background technique
Natural and artificial synthesized efficient physical adsorbent material, the general porous structure with level and surface abundant.
Be adsorbed the comparable hole of matter size and surface is effectively adsorbed, to it is general be adsorbed material for, it is suitable
For hole generally between 0.1-5nm (micropore or small mesoporous), this size, which is fallen in, calculates specific surface area by gas adsorption desorption
In range.Since the contribution of micropore comparison surface area is very big, so, it is generally recognized that specific surface area is bigger, and absorption property is better.
However the relevant scientific research discovery of electrochemistry, the accessible property for effectively adsorbing hole substantially affect suction in recent years
Attached or surface reflex action.Liu et al. people constructs micropore/macropore (> 50nm) composite construction sample, finds the properties of sample several times
The micropore for being better than identical component/mesoporous (2-50nm) sandwich;And micropore/mesoporous material specific surface area is about
3 times of micropore/large pore material, illustrate that the channel of building large-scale structure increases accessible this approach of property of micropore to final
Diffusion, absorption or surface reaction influence huge.
In environmental-protection adsorption field, either gas phase or liquid phase usually pass through the adsorption material of building non-woven fabrics cladding
Particle is expected to be adsorbed.In the prior art, application No. is 201710554249.0 Chinese patent literatures to report a kind of suction
Enclosure material and preparation method thereof, comprising: the fabric as substrate;With the adsorbent of absorption on the fabric, the adsorbent
For the combination of molecular sieve and aerosil.Application No. is 201710678061.7 Chinese patent literatures to report one kind
Including active carbon layer and the nonwoven layers of active carbon layer two sides is arranged in the outer fan outlet efficient absorption material of air-conditioning.But
It is that the absorbing material granules of above-mentioned report are that close heap is got together, is unfavorable for being adsorbed the diffusion of matter, and then influence absorption
Efficiency;There is also frangible problems for some adsorbent materials, in addition between particle be easy contact and grazing, particle surface be easy to lose powder and
Formation causes secondary pollution.How the space interval of absorption particle is increased, fixed absorption particle becomes a problem.
Summary of the invention
Present invention solves the technical problem that being to provide a kind of preparation method and application of composite adsorbing material, there are more rulers
Hierarchical structure is spent, absorption property is good, simple process.
In view of this, the present invention provides a kind of preparation methods of composite adsorbing material, comprising the following steps: by absorption
Grain and the mixing of 3D printing ink, stirring obtain compound ink;The compound ink is subjected to 3D printing, obtains the pre- of 3D structure
Body processed;By the precast body aging, drying, heat treatment, composite adsorbing material is obtained.
Preferably, the absorption particle is one or more of silicon oxide particle, alumina particle and porous carbon particle.
Preferably, the 3D printing ink is in dextrin base ink, phenolic resin base ink and polyimide-based ink
It is one or more of.
Preferably, the mass ratio of the absorption particle and 3D printing ink is 1-5:100.
Preferably, the 3D structure is yard structure.
Preferably, the 3D printing uses 3D biometric print machine or 3D direct write molding equipment.
Preferably, the Aging Step are as follows: impregnate precast body 1-3 days in water or ethyl alcohol.
Preferably, the drying is constant pressure and dry, freeze-drying or supercritical fluid drying.
Preferably, the heat treatment step are as follows: be warming up to 500-1000 DEG C with the rate of 10 DEG C/min, keep the temperature 2h.
The present invention also provides a kind of application of composite adsorbing material that above-mentioned preparation method obtains in cell culture fluid, adopt
Adsorption effect is assessed with the residual concentration-time data for being adsorbed matter solution.
The present invention provides a kind of preparation method of composite adsorbing material, comprising: absorption particle and 3D printing ink mixed,
Stirring, obtains compound ink;The compound ink is subjected to 3D printing, obtains the precast body of 3D structure;The precast body is old
Change, is dry, heat treatment, obtaining composite adsorbing material.The present invention also provides a kind of composite adsorption materials that above-mentioned preparation method obtains
Expect the application in cell culture fluid, assesses adsorption effect using the residual concentration-time data for being adsorbed matter solution.With it is existing
There is technology to compare, the present invention utilizes 3D printing technique, macropore is constructed by 3D printing structure in the hierarchical structure of absorption particle,
Increase the real contact area for being adsorbed matter and adsorbent material, increases diffusion admittance, so that the rate of adsorption is substantially improved.The present invention
There is the composite adsorbing material of preparation multiple dimensioned hierarchical structure can accelerate the rate of adsorption, together while saving adsorbent material
When can also guarantee that composite adsorbing material has a some strength and not easily to fall off, avoids secondary pollution, and simple process, to multiple
The design production of condensation material and the environmental-protection adsorption of material or sustained release application etc. are of great significance.
Detailed description of the invention
Fig. 1 is the schematic illustration that the present invention prepares composite adsorbing material.
Specific embodiment
For a further understanding of the present invention, the preferred embodiment of the invention is described below with reference to embodiment, still
It should be appreciated that these descriptions are only further explanation the features and advantages of the present invention, rather than to the claims in the present invention
Limitation.
The embodiment of the invention discloses a kind of preparation methods of composite adsorbing material, comprising the following steps: will adsorb particle
It is mixed with 3D printing ink, stirring obtains compound ink;The compound ink is subjected to 3D printing, obtains the prefabricated of 3D structure
Body;By the precast body aging, drying, heat treatment, composite adsorbing material is obtained.
The present invention provides it is a kind of based on 3D printing technique preparation multiple dimensioned hierarchical structure efficient absorption material design,
Adsorbent material or its composite material are formed by 3D printing, increases the space interval of absorption particle using 3D layout, and
Fixed absorption particle forms the adsorbent material of monolith, secondary dirt caused by avoiding particle from falling off while improving adsorption efficiency
Dye.
Preferably, the absorption particle has high-specific surface area, more preferably silicon oxide particle, alumina particle
One or more of with porous carbon particle.The 3D printing ink is preferably dextrin base ink, phenolic resin base ink and gathers
One or more of imide ink.The present invention controls the mass ratio of absorption particle and 3D printing ink, is conducive to
Micropore and small mesoporous hierarchical structure are formed after 3D printing.The mass ratio of the absorption particle and 3D printing ink is preferably 1-5:
10, more preferably 3-5:10, more preferably 5:10.
Preferably, the present invention makes it meet shear shinning by the characteristic of compound ink described in rheometer test
Condition, as shear rate is preferably increased to 1000s-1, viscosity is when being reduced to Pa.s magnitude, compound ink is stablized and is stored,
Etc. to be printed.
Preferably, the present invention is not particularly limited for printing the structure of 3D structure, and the 3D structure is preferably
Yard structure.The 3D printing preferably uses 3D biometric print machine or 3D direct write molding equipment, printer syringe needle internal diameter excellent
It is selected as 400 μm.Then 3D structure needed for the present invention passes through computer programming is formed using 3D biometric print machine or 3D direct write
Equipment printing.
The schematic illustration that the present invention prepares composite adsorbing material is as shown in Figure 1, wherein 1 is 3D printing equipment, preferably
3D biometric print machine or 3D direct write molding equipment, 2 be the composite adsorbing material of 3D printing, and 3 be cured 3D printing ink material,
4 be the absorption particle of hierarchical structure, and 3 and 4 can be the material of different component, be also possible to the material of same component.
Preferably, the Aging Step is preferred are as follows: impregnates precast body 1-3 days in water or ethyl alcohol.It is described dry
It is dry preferably to use constant pressure and dry, freeze-drying or supercritical fluid drying.The heat treatment step is preferred are as follows: with 10 DEG C/min's
Rate is warming up to 500-1000 DEG C, keeps the temperature 2h;More preferably: being warming up to 600-1000 DEG C with the rate of 10 DEG C/min, keep the temperature 2h.
Preferably, composite adsorbing material is used for the physical absorption of many kinds of substance.
The present invention also provides a kind of application of composite adsorbing material that above-mentioned preparation method obtains in cell culture fluid, adopt
Adsorption effect is assessed with the residual concentration-time data for being adsorbed matter solution.
From above scheme as can be seen that the preparation method of composite adsorbing material provided by the invention has simple process, letter
Single easy advantage, prepared composite adsorbing material have multiple dimensioned hierarchical structure, and absorption property is high, and environmental safety is good,
It is of great significance to design, industrial production and the performance regulation etc. of efficient absorption material.It has a characteristic that
(1) composite adsorbing material prepared by the present invention has the characteristics that multiple dimensioned hierarchical structure;
(2) using the multiple dimensioned hierarchical structure efficient absorption material of 3D printing technique preparation, there is simple process, adsorptivity
Can good, Environmental Safety the advantages that;
(3) present invention can save adsorbent material in the identical situation of volume and performance improves, and have good economy
Benefit.
For a further understanding of the present invention, technical solution provided by the invention is carried out specifically below with reference to embodiment
Bright, protection scope of the present invention is not limited by the following examples.
Raw material used in the embodiment of the present invention is commercially available.
Embodiment 1
By porous carbon substratess manage absorbing material granules and phenolic resin base ink with mass ratio for 50:100 ratio normal
It is stirred under temperature, forms compound ink.By the characteristic of rheometer test ink, it is made to meet the condition of shear shinning, with
Shear rate increase to 1000s from close to 0-1When, viscosity is reduced to 2Pa.s magnitude from approach infinity.Compound ink is steady
Fixed storage, is waited to be printed.
By computer programming yard structure, compound ink is put into 3D biometric print machine, carries out the printing of 3D sample.
By the sample of printing under the immersion of water aging 3 days, then carry out shooting flow under conditions of 40 DEG C, 10MPa
Soma is dry, then is heat-treated under conditions of nitrogen protection in 1000 DEG C, and heating rate is 10 DEG C/min, protects after reaching maximum temperature
2h is held, composite adsorbing material is obtained.
The composite adsorbing material of preparation is used for the absorption of cell culture fluid.Pass through ultraviolet-visible-near-infrared spectrophotometric
It counts to demarcate the residual concentration of effective component in simultaneously test cultures liquid, assesses its absorption property.
Physisorption material in the present embodiment is carbon-based material, by the experiment detection of nitrogen adsorption desorption it can be observed that micro-
Hole and small mesoporous hierarchical structure, peak pore diameter are about 3nm;3D structure is wood pile structure;Printer syringe needle internal diameter is about
400μm;The concentration of cell culture fluid used is unknown, assesses its performance after spectrophotometer linear scaled using relative concentration.
The result shows that composite adsorbing material manufactured in the present embodiment, which allowed for residual concentration at 50 minutes, drops to 50%,
Remnants relative concentration is only about 5% at 200 minutes;And the original adsorbent material of equal volume, that is, porous carbon base physisorption material
Then after absorption 250 minutes, remaining relative concentration is slightly above 50%.Under equal conditions, the rate of adsorption of 3D printing adsorbent material
It is better than 5 times (estimating when remaining relative concentration 50%) of original adsorbent material, this illustrates the coarse scale structures energy that 3D printing is formed
It is effective to improve diffusion admittance, enhance the accessible property of micropore, to greatly improve adsorption effect.
Embodiment 2
By alumina base physisorption material particle and dextrin resin base ink with mass ratio for 10:100 ratio normal
It is stirred under temperature, forms compound ink, the ink of configuration meets shear shinning condition.Compound ink is stablized and is stored, etc.
It is to be printed.By computer programming geometry, compound ink is put into 3D direct write molding equipment, carries out beating for 3D sample
Print.
By the sample of printing under the immersion of water aging 1 day, then in 80 DEG C of constant pressure and dry 3h, then the item in nitrogen protection
500 DEG C of heat treatments are carried out under part, heating rate is 10 DEG C/min, keeps 2h after reaching maximum temperature, obtains composite adsorbing material.
Respectively to the adsorptivity of the alumina base physisorption material of composite adsorbing material manufactured in the present embodiment and use
It can be carried out detection, the results showed that under equal conditions, the rate of adsorption of composite adsorbing material manufactured in the present embodiment is better than original suction
Enclosure material, this illustrates that the coarse scale structures that 3D printing is formed can effectively improve diffusion admittance, enhances the accessible property of micropore, from
And greatly improve adsorption effect.
Embodiment 3
It is the ratio of 20:100 that silica substratess, which are managed absorbing material granules and polyimide resin base ink with mass ratio,
It is stirred at normal temperature, forms compound ink, the ink of configuration meets shear shinning condition.Compound ink stabilization is deposited
It puts, waits to be printed.By computer programming frame structure, compound ink is put into 3D biometric print machine, carries out 3D sample
Printing.
By the sample of printing under the immersion of ethyl alcohol aging 3 days, then carried out under conditions of 40 DEG C, 10MPa overcritical
Fluid drying, then 600 DEG C of heat treatments are carried out under conditions of nitrogen protection, heating rate is 10 DEG C/min, reaches maximum temperature
After keep 2h, obtain composite adsorbing material.
Respectively to the adsorptivity of the silica base physisorption material of composite adsorbing material manufactured in the present embodiment and use
It can be carried out detection, the results showed that under equal conditions, the rate of adsorption of composite adsorbing material manufactured in the present embodiment is better than original suction
Enclosure material, this illustrates that the coarse scale structures that 3D printing is formed can effectively improve diffusion admittance, enhances the accessible property of micropore, from
And greatly improve adsorption effect.
The above description of the embodiment is only used to help understand the method for the present invention and its core ideas.It should be pointed out that pair
For those skilled in the art, without departing from the principle of the present invention, the present invention can also be carried out
Some improvements and modifications, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of preparation method of composite adsorbing material, which comprises the following steps:
Particle will be adsorbed and 3D printing ink mixes, stirring obtains compound ink;
The compound ink is subjected to 3D printing, obtains the precast body of 3D structure;
By the precast body aging, drying, heat treatment, composite adsorbing material is obtained.
2. preparation method according to claim 1, which is characterized in that the absorption particle is silicon oxide particle, aluminium oxide
One or more of particle and porous carbon particle.
3. preparation method according to claim 1, which is characterized in that the 3D printing ink is dextrin base ink, phenolic aldehyde
One or more of resin base ink and polyimide-based ink.
4. preparation method according to claim 1, which is characterized in that the mass ratio of the absorption particle and 3D printing ink
For 1-5:100.
5. preparation method according to claim 1, which is characterized in that the 3D structure is yard structure.
6. preparation method according to claim 1, which is characterized in that the 3D printing is straight using 3D biometric print machine or 3D
Write forming equipment.
7. preparation method according to claim 1, which is characterized in that the Aging Step are as follows:
Precast body is impregnated 1-3 days in water or ethyl alcohol.
8. preparation method according to claim 1, which is characterized in that the drying is constant pressure and dry, freeze-drying or super
Supercritical fluid drying.
9. preparation method according to claim 1, which is characterized in that the heat treatment step are as follows:
It is warming up to 500-1000 DEG C with the rate of 10 DEG C/min, keeps the temperature 2h.
10. a kind of application of composite adsorbing material that claim 1-9 any one preparation method obtains in cell culture fluid,
It is characterized in that, assessing adsorption effect using the residual concentration-time data for being adsorbed matter solution.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110433770A (en) * | 2019-07-17 | 2019-11-12 | 天津大学 | Photocatalysis honeycomb C-base composte material and preparation method |
CN111672264A (en) * | 2020-06-09 | 2020-09-18 | 清华大学 | Adsorption thin layer for adsorbing gaseous pollutants and manufacturing method thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104096535A (en) * | 2014-07-09 | 2014-10-15 | 西安交通大学 | High-adsorbability powdered material forming technology based on 3D printing technology |
KR20180003074A (en) * | 2016-06-30 | 2018-01-09 | (주)아이투스 인터내셔날 | Nano-carbon structure filling type 3d printing material composition |
CN107936685A (en) * | 2017-11-17 | 2018-04-20 | 同济大学 | A kind of preparation method of polyimides ink available for 3D printing |
-
2018
- 2018-11-29 CN CN201811444388.9A patent/CN109647331B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104096535A (en) * | 2014-07-09 | 2014-10-15 | 西安交通大学 | High-adsorbability powdered material forming technology based on 3D printing technology |
KR20180003074A (en) * | 2016-06-30 | 2018-01-09 | (주)아이투스 인터내셔날 | Nano-carbon structure filling type 3d printing material composition |
CN107936685A (en) * | 2017-11-17 | 2018-04-20 | 同济大学 | A kind of preparation method of polyimides ink available for 3D printing |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110433770A (en) * | 2019-07-17 | 2019-11-12 | 天津大学 | Photocatalysis honeycomb C-base composte material and preparation method |
CN111672264A (en) * | 2020-06-09 | 2020-09-18 | 清华大学 | Adsorption thin layer for adsorbing gaseous pollutants and manufacturing method thereof |
CN111672264B (en) * | 2020-06-09 | 2021-04-16 | 清华大学 | Adsorption thin layer for adsorbing gaseous pollutants and manufacturing method thereof |
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