CN109158094A - A kind of preparation method of the paper base adsorbent material based on MOF material - Google Patents
A kind of preparation method of the paper base adsorbent material based on MOF material Download PDFInfo
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- CN109158094A CN109158094A CN201811340323.XA CN201811340323A CN109158094A CN 109158094 A CN109158094 A CN 109158094A CN 201811340323 A CN201811340323 A CN 201811340323A CN 109158094 A CN109158094 A CN 109158094A
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- 239000000463 material Substances 0.000 title claims abstract description 122
- 239000003463 adsorbent Substances 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000000835 fiber Substances 0.000 claims abstract description 30
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 29
- 229920002678 cellulose Polymers 0.000 claims abstract description 27
- 239000001913 cellulose Substances 0.000 claims abstract description 27
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 16
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 125000002091 cationic group Chemical group 0.000 claims abstract description 11
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 239000002002 slurry Substances 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 238000010792 warming Methods 0.000 claims description 6
- 238000010009 beating Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 229920002472 Starch Polymers 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000008107 starch Substances 0.000 claims description 3
- 235000019698 starch Nutrition 0.000 claims description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 2
- 150000001336 alkenes Chemical class 0.000 claims 1
- 229910002804 graphite Inorganic materials 0.000 claims 1
- 239000010439 graphite Substances 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 claims 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 11
- 231100001261 hazardous Toxicity 0.000 abstract 1
- 239000012621 metal-organic framework Substances 0.000 description 50
- 238000003795 desorption Methods 0.000 description 10
- 238000002336 sorption--desorption measurement Methods 0.000 description 10
- 238000005360 mashing Methods 0.000 description 7
- 238000001179 sorption measurement Methods 0.000 description 7
- 230000015556 catabolic process Effects 0.000 description 6
- 238000006731 degradation reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000001965 increasing effect Effects 0.000 description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 229960000935 dehydrated alcohol Drugs 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000001027 hydrothermal synthesis Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 241000700605 Viruses Species 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000013110 organic ligand Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 241001343274 Dichrostachys spicata Species 0.000 description 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 238000005411 Van der Waals force Methods 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000001338 self-assembly Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
Classifications
-
- 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
- B01J20/22—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- 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
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/223—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material containing metals, e.g. organo-metallic compounds, coordination complexes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
Abstract
The present invention relates to papermaking and Material Fields, more particularly to a kind of preparation method of the paper base adsorbent material based on MOF material, the following steps are included: N is added by nickel nitrate, to benzene first diacid, wood pulp cellulose, in N- diformamide, heating, reaction obtain wood pulp cellulose base MOF material, are dried to obtain bone dry fiber base MOF material；It is dispersed in water later, cationic polyacrylamide is added, graphene, stirring is added in stirring, and handsheet squeezes, is dried to obtain the paper base adsorbent material based on MOF material.The material that the present invention obtains has preferable absorption property, and preparation process is environmentally friendly, non-hazardous to environment.
Description
Technical field
The present invention relates to a kind of preparation methods of paper base adsorbent material based on MOF material, belong to Material Field.
Background technique
With the increasingly exacerbation of air pollution, the pollutant especially fine grained pollutant (PM2.5) in air is to cause
One of an important factor for haze.Fine particle pollutant because its specific surface area is very big, harmful substance such as bacterium in air,
Virus etc. is readily adsorbed in its surface, seriously affects people's health and quality of life.With the continuous hair of dust separation technology
Exhibition and raising and the extension of its application range, no matter all being proposed in quantity or in kind and quality to air filting material
New requirement.
Constitution is written in " conservation culture " by country in 2018, it may be said that country mentions conservation culture and Green Development
One unprecedented politics height.
Air filting material can remove harmful dust, smog, malicious mist etc. from gas, moreover it is possible to obstruct bacterium, microorganism
And virus, this to environmental protection, the mankind health be ensured of it is essential, to society development have great importance.
With the rapid development of the national economy, the demand of air filting material will be increasing, and kind is more and more, especially for use in
In terms of indoor air cleaning.
Major part material for air purification generallys use dry or wet forming technology at present, and non-woven fabrics or paper base is prepared
Filtering material, the synthetic fibers of selection have polyolefine fiber, polyester fiber, polyphenylene sulfide fibre etc.；Natural fiber has needlebush
Fiber, broad-leaved wood fiber, flaxen fiber, cotton fiber etc., wherein natural fiber has good physical filtering crown_interception, breathes freely
Property, degradability.
Metal-organic framework object (MOFs) is to be self-assembly of by organic ligand and metal ion or cluster by coordinate bond
The hybrid inorganic-organic materials with molecule inner pore.In MOFs, the arrangement of organic ligand and metal ion or cluster has
Have apparent directionality, different frame pore structures can be formed, thus show different absorption properties, optical property,
Electromagnetic property.It has high porosity, low-density, bigger serface, duct rule, aperture is adjustable and topological structure is various
The advantages that property and Scalability.
Therefore, environmental degradation phenomenon caused by economic development is also increasingly severe, especially haze phenomenon, and research and development have height
The air filting material of absorption property is extremely urgent.
Summary of the invention
The object of the present invention is to provide a kind of preparation methods of paper base adsorbent material based on MOF material, to solve air
The low problem of adsorbent material absorption property.
The purpose of the present invention is what is be achieved through the following technical solutions: a kind of paper base adsorbent material based on MOF material
Preparation method in N- diformamide, is heated up, is reacted comprising steps of N is added by nickel nitrate, to benzene first diacid, wood pulp cellulose
To wood pulp cellulose base MOF material, it is dried to obtain bone dry fiber base MOF material；It is dispersed in water later, cation is added
Graphene, stirring is added in polyacrylamide, stirring, and handsheet squeezes, is dried to obtain the paper base adsorbent material based on MOF material.
Further, the nickel nitrate: to benzene first diacid: wood pulp cellulose: the mass ratio of N, N- diformamide be (20~
40): (20~30): (1~5): (600~800).
Further, wood pulp cellulose include needle slurry with broad-leaved starch, wherein needle slurry with broad-leaved slurry mass ratio be (2~
4): (6~8), beating degree are 40~50 ° of SR.
Further, 120- is warming up to by nickel nitrate, to benzene first diacid, wood pulp cellulose and N, N- diformamide mixture
140℃。
Further, the drying temperature for obtaining bone dry fiber base MOF material is 100-110 DEG C.
Further, the molecular weight of cationic polyacrylamide is 55000~80000, and additional amount is bone dry fiber base MOF
The 0.3-0.5 ‰ of quality of materials.
Further, the diameter of graphene is 100nm~10 μm, and additional amount is the 4- of bone dry fiber base MOF quality of materials
6%.
Further, the pressure of squeezing is 0.3-0.5Mpa.
Further, the temperature being dried after squeezing is 100-110 DEG C.
The paper base based on MOF material obtained by the preparation method of the paper base adsorbent material based on MOF material
Adsorbent material.
Paper base adsorbent material based on MOF material is for adsorbing nuisance in air and waste water, and catalytic degradation.
The present invention has the advantage that compared with prior art
The preparation method of MOF paper base adsorbent material of the invention is simple, and process flow is short, can be used for adsorbing having in air
Poisonous gas, and catalytic degradation effect occurs；MOF paper base adsorbent material of the invention is when being saturated absorption, the adsorbance of PARA FORMALDEHYDE PRILLS(91,95)
It can reach the 80-92% of own wt, degradation rate is up to 5-20%.
The catalytic degradation of MOF paper base adsorbent material of the invention for harmful organic substance in air and waste water.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the adsorption/desorption figure of the paper base adsorbent material based on MOF material of the embodiment of the present invention 1；
Fig. 2 is the adsorption/desorption figure of the paper base adsorbent material based on MOF material of the embodiment of the present invention 2；
Fig. 3 is the adsorption/desorption figure of the paper base adsorbent material based on MOF material of the embodiment of the present invention 3；
Fig. 4 is the adsorption/desorption figure of the paper base adsorbent material based on MOF material of comparative example 1 of the invention；
Fig. 5 is the adsorption/desorption figure of the paper base adsorbent material based on MOF material of comparative example 2 of the invention.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that described reality
Applying example is 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.
The preparation method of paper base adsorbent material based on MOF material of the invention, comprising steps of by nickel nitrate, to benzene first
N is added in diacid, wood pulp cellulose, and in N- diformamide, heating, reaction obtain wood pulp cellulose base MOF material, through being dried to obtain over dry
Fiber base MOF material；It is dispersed in water later, cationic polyacrylamide is added, graphene is added in stirring, and stirring is copied
Piece squeezes, is dried to obtain the paper base adsorbent material based on MOF material.
Paper base adsorbent material based on MOF material of the invention can effective absorption nitrogen molecule, the suction-operated master of nitrogen
Will be from Van der Waals force and electrostatic force, optimal adsorption position is in metal position.
Preferably, the nickel nitrate: to benzene first diacid: wood pulp cellulose: the mass ratio of N, N- diformamide is (20~40):
(20~30): (1~5): (600~800).
Preferably, wood pulp cellulose includes that needle slurry is starched with broad-leaved, and wherein needle slurry and the mass ratio of broad-leaved slurry are (2~4):
(6~8), beating degree are 40~50 ° of SR.
Preferably, 120-140 is warming up to by nickel nitrate, to benzene first diacid, wood pulp cellulose and N, N- diformamide mixture
℃。
Preferably, the drying temperature for obtaining bone dry fiber base MOF material is 100-110 DEG C.
Preferably, the molecular weight of cationic polyacrylamide is 55000~80000, and additional amount is bone dry fiber base MOF material
Expect the 0.3-0.5 ‰ of quality.
Preferably, the diameter of graphene is 100nm~10 μm, and additional amount is the 4- of bone dry fiber base MOF quality of materials
6%.
Preferably, the pressure of squeezing is 0.3-0.5Mpa.
Preferably, the temperature being dried after squeezing is 100-110 DEG C.
The paper base based on MOF material obtained by the preparation method of the paper base adsorbent material based on MOF material
Adsorbent material.
Paper base adsorbent material based on MOF material is for adsorbing nuisance in air and waste water, and catalytic degradation.
Mashing be make fiber generate cutting, sub-wire, brooming, swollen the effects of after, fiber further refines, and surface generates
Hair increases paper-forming evenness and fine and smooth degree, improves the presentation quality of page, improves the intrinsic strength of page.By the machine to slurry
Tool effect, assigns paper pulp ru nnability and paper properties, to reach into the quality requirement of paper.
Bone dry fiber base MOF material is that drying to constant weight at 100-110 DEG C.
The effect of polyacrylamide is retention agent, and fiber and tiny component wadding are gathered together, some low electricity can be used
The substance of lotus density high molecular weight replaces, such as cationic starch.
The effect of graphene or calcium carbonate is all as filler and tiny component, and the effect after adding is different,
I.e. absorption property is different；Compared with wood pulp cellulose, specific surface area increases for it, absorption property enhancing, and improves the flat of paper
Slippery and opacity.
Wood pulp cellulose includes hardwood pulp fiber and softwood pulp fiber.
Embodiment 1
By 30g nickel nitrate, 25g to wood pulp cellulose (the broad-leaved paddle: needle paddle=7:3, mashing after benzene first diacid, 1g mashing
Degree is 45 ° of SR) 700gN is added, it in N- diformamide, is placed in hydrothermal reaction kettle, is warming up to 120 DEG C, reaction for 24 hours, obtains
Wood pulp cellulose base MOF material washed 5 times with dehydrated alcohol, filter, be dried to obtain bone dry fiber base MOF material in air.
It disperses gained wood pulp cellulose base MOF material 1g in 400g water, 0.0004g cationic polyacrylamide is added,
5min is stirred, 0.05g graphene powder is added, 1min is stirred, handsheet is carried out on handshcet former, is then squeezed under 0.4MPa pressure
5min, then dry 10min at 105 DEG C, obtains the paper base adsorbent material based on MOF material.
Fig. 1-Fig. 5 is measured using BET specific surface tester, by sample in sample cell, according to absorption front and back gas
Bulk concentration changes to determine sample to the adsorbance of adsorption molecule (N2).
As shown in Figure 1, the adsorption/desorption figure of paper base adsorbent material is shown, and with the increase of pressure, adsorption curve and desorption
Curve shows that adsorbance is gradually increased with desorption rate, and when pressure reaches 1, adsorbance reaches 45cm3/g。
Embodiment 2
By 20g nickel nitrate, 30g to wood pulp cellulose (the broad-leaved paddle: needle paddle=6:4, mashing after benzene first diacid, 3g mashing
Degree is 40 ° of SR) 800gN is added, it in N- diformamide, is placed in hydrothermal reaction kettle, is warming up to 130 DEG C, react 30h, obtain
Wood pulp cellulose base MOF material washed 5 times with dehydrated alcohol, filter, be dried to obtain bone dry fiber base MOF material in air.
It disperses gained wood pulp cellulose base MOF material 1g in 400g water, 0.0003g cationic polyacrylamide is added,
5min is stirred, 0.04g graphene powder is added, 1min is stirred, handsheet is carried out on handshcet former, is then squeezed under 0.3MPa pressure
5min, then dry 10min at 100 DEG C, obtains the paper base adsorbent material based on MOF material.
As shown in Fig. 2, the adsorption/desorption figure of paper base adsorbent material is shown, and with the increase of pressure, adsorption curve and desorption
Curve shows that adsorbance is gradually increased with desorption rate, and when pressure reaches 1, adsorbance reaches 70cm3/g。
Embodiment 3
By 40g nickel nitrate, 20g to wood pulp cellulose (the broad-leaved paddle: needle paddle=8:2, mashing after benzene first diacid, 5g mashing
Degree is 50 ° of SR) 600gN is added, it in N- diformamide, is placed in hydrothermal reaction kettle, is warming up to 140 DEG C, react 36h, obtain
Wood pulp cellulose base MOF material washed 5 times with dehydrated alcohol, filter, be dried to obtain bone dry fiber base MOF material in air.
It disperses gained wood pulp cellulose base MOF material 1g in 400g water, 0.0005g cationic polyacrylamide is added,
5min is stirred, 0.06g graphene powder is added, 1min is stirred, handsheet is carried out on handshcet former, is then squeezed under 0.5MPa pressure
5min, then dry 10min at 110 DEG C, obtains the paper base adsorbent material based on MOF material.
As shown in figure 3, the adsorption/desorption figure of paper base adsorbent material is shown, and with the increase of pressure, adsorption curve and desorption
Curve shows that adsorbance is gradually increased with desorption rate, and when pressure reaches 1, adsorbance reaches 66cm3/g。
Comparative example 1
It takes 1g oven dry stock (broad-leaved paddle: needle paddle=7:3, beating degree are 45 ° of SR) to be scattered in 400g water, is added
0.0004g cationic polyacrylamide stirs 5min, and 0.3g calcium carbonate is added, and stirs 1min, handsheet is carried out on handshcet former,
Then 5min is squeezed under 0.4MPa pressure, then dry 10min at 105 DEG C, obtains the scraps of paper to the end.
As shown in figure 4, the adsorption/desorption figure of paper base adsorbent material is shown, and with the increase of pressure, adsorption curve and desorption
Curve shows that adsorbance is gradually increased with desorption rate, and when pressure reaches 1, adsorbance reaches 22cm3/g。
Comparative example 2
It takes 1g oven dry stock (broad-leaved paddle: needle paddle=7:3, beating degree are 45 ° of SR) to be scattered in 400g water, is added
0.0004g cationic polyacrylamide stirs 5min, and 0.3g graphene is added, and stirs 1min, handsheet is carried out on handshcet former,
Then 5min is squeezed under 0.4MPa pressure, then dry 10min at 105 DEG C, obtains the scraps of paper to the end.
As shown in figure 5, the adsorption/desorption figure of paper base adsorbent material is shown, and with the increase of pressure, adsorption curve and desorption
Curve shows that adsorbance is gradually increased with desorption rate, and when pressure reaches 1, adsorbance reaches 40cm3/g。
Conclusion: the absorption property that the paper of MOF material is added will be substantially better than the absorption property for not adding MOF material, therefore
The toxic and harmful gas in air can be effectively adsorbed after addition, can be used as the use of function adsorbent material.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of preparation method of the paper base adsorbent material based on MOF material, which is characterized in that comprising steps of
N is added by nickel nitrate, to benzene first diacid, wood pulp cellulose, in N- diformamide, heating, reaction obtain wood pulp cellulose base MOF
Material is dried to obtain bone dry fiber base MOF material；
It is dispersed in water later, cationic polyacrylamide is added, graphene, stirring is added in stirring, and handsheet, is done squeezing
It is dry to obtain the paper base adsorbent material based on MOF material.
2. the preparation method of the paper base adsorbent material according to claim 1 based on MOF material, which is characterized in that described
Nickel nitrate: to benzene first diacid: wood pulp cellulose: the mass ratio of N, N- diformamide is (20~40): (20~30): (1~5):
(600~800).
3. the preparation method of the paper base adsorbent material according to claim 2 based on MOF material, which is characterized in that wood pulp
Fiber include needle slurry with broad-leaved starch, wherein needle slurry with broad-leaved slurry mass ratio be (2~4): (6~8), beating degree be 40~
50°SR。
4. the preparation method of the paper base adsorbent material according to claim 3 based on MOF material, which is characterized in that by nitre
Sour nickel is warming up to 120-140 DEG C to benzene first diacid, wood pulp cellulose and N, N- diformamide mixture.
5. the preparation method of the paper base adsorbent material according to claim 4 based on MOF material, which is characterized in that obtain
The drying temperature of bone dry fiber base MOF material is 100-110 DEG C.
6. the preparation method of the paper base adsorbent material according to claim 5 based on MOF material, which is characterized in that sun from
The molecular weight of sub- polyacrylamide is 55000~80000, and additional amount is the 0.3-0.5 ‰ of bone dry fiber base MOF quality of materials.
7. the preparation method of the paper base adsorbent material according to claim 6 based on MOF material, which is characterized in that graphite
The diameter of alkene is 100nm~10 μm, and additional amount is the 4-6% of bone dry fiber base MOF quality of materials.
8. the preparation method of the paper base adsorbent material according to claim 7 based on MOF material, which is characterized in that squeezing
Pressure be 0.3-0.5Mpa.
9. the preparation method of the paper base adsorbent material according to claim 8 based on MOF material, which is characterized in that squeezing
The temperature being dried later is 100-110 DEG C.
10. the base obtained by the preparation method of the described in any item paper base adsorbent materials based on MOF material of claim 1-9
In the paper base adsorbent material of MOF material.
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| WO2023083019A1 (en) * | 2021-11-11 | 2023-05-19 | 江苏奥神新材料股份有限公司 | Electromagnetic shielding paper based on modification of conductive mof material and preparation method for electromagnetic shielding paper |
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| CN112755997B (en) * | 2021-01-29 | 2022-01-18 | 福州大学 | Mn/Fe-MOF-loaded polyphenylene sulfide denitration sulfur-resistant filter material and preparation method thereof |
| WO2023083019A1 (en) * | 2021-11-11 | 2023-05-19 | 江苏奥神新材料股份有限公司 | Electromagnetic shielding paper based on modification of conductive mof material and preparation method for electromagnetic shielding paper |
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