CN109647328A - A kind of glass fibre molecule of the skeleton sieve paper and preparation method thereof with porous structure - Google Patents
A kind of glass fibre molecule of the skeleton sieve paper and preparation method thereof with porous structure Download PDFInfo
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- CN109647328A CN109647328A CN201910056254.8A CN201910056254A CN109647328A CN 109647328 A CN109647328 A CN 109647328A CN 201910056254 A CN201910056254 A CN 201910056254A CN 109647328 A CN109647328 A CN 109647328A
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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
- B01J20/16—Alumino-silicates
- B01J20/18—Synthetic zeolitic molecular sieves
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- 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
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
Abstract
The disclosure discloses a kind of glass fibre molecule of the skeleton sieve paper with porous structure, composition and mass percent are as follows: molecular sieve 70~80%, glass fibre 5-15%, silica 5-15%.The disclosure further discloses a kind of preparation method of glass fibre molecule of the skeleton sieve paper with porous structure.In the glass fibre molecule of the skeleton sieve paper with porous structure of disclosure preparation, for molecular sieve content 75% or more, adsorbent material content is high, the large amount of adsorption in unit volume；Porous structure in paper can significantly improve the specific surface area of glass fibre molecule of the skeleton sieve paper, increase the contact with organic exhaust gas, improve adsorption capacity, prolong the service life, reduce droop loss, be suitable for different temperatures and humidity environment.
Description
Technical field
The disclosure belongs to environment protection field, and in particular to it is a kind of with porous structure glass fibre molecule of the skeleton sieve paper and its
Preparation method.
Background technique
VOCs (Volatile Organic Compounds, VOCs) refers to that saturated vapour pressure is greater than at normal temperature
Organic compound of the boiling point between 50~260 DEG C under 133.32Pa, normal pressure.This substance more, complicated component, length with type
The features such as phase low dosage discharges is a kind of chemical substance to human body with carcinogenic, teratogenesis, mutagenicity, can participate in photochemistry
Reaction, while being also the major prerequisites substance that Atmospheric particulates are formed, it is huge to atmospheric environment and human injury.
The main component of industrial organic exhaust gas is the volatile organic compounds such as the benzene,toluene,xylene of low concentration.Existing rank
Section, effective ways mainly active charcoal absorption and the molecular sieve runner absorption two of processing low concentration, Wind Volume industrial organic exhaust gas
Kind technique, wherein activated carbon adsorption has been widely used, but there is gases since adsorption capacity is big, at low cost
The disadvantages such as selectivity is bad, inflammable, security performance is low；Compared to activated carbon adsorption, the advantage of molecular sieve runner is embodied in continuous fortune
Turn, is molecular sieve great thermotolerance, nonflammable, highly-safe etc., being developing progressively to handle low concentration, Wind Volume VOC gas
Ideal equipment.The critical component of molecular sieve concentration runner is absorption core wheel, and core wheel, as adsorbent material, is to pass through by molecular sieve
Infusion process or pressing of manufacturing paper with pulp are attached to molecular sieve on honeycomb support to be made, and honeycomb support is by glass fibre skeleton point
Son sieve pile product forms.Currently, both at home and abroad mainly by the way that glass fibre molecule of the skeleton sieve paper is simply superimposed system
Organic exhaust gas is handled at honeycomb ceramics shape adsorbent material.Such adsorbent material is since cellular structure is undeveloped, specific surface area
Low, organic exhaust gas is adsorbed in the duct on only surface in practical applications, causes the molecular sieve honeycomb body benefit of unit volume
With rate is low, adsorption capacity is small, service life is short, it is unable to satisfy Organic Waste Gas Pollution and administers requirement.Therefore, it is necessary to develop one kind
With porous structure, high-adsorption-capacity glass fibre molecule of the skeleton sieves paper, to cope with the industrial organic exhaust gas got worse
Pollution.
Summary of the invention
For the problem that adsorbent material utilization rate existing in the prior art is low, adsorption effect is poor, the purpose of the disclosure exists
In providing a kind of glass fibre molecule of the skeleton sieve paper and preparation method thereof with porous structure, adsorbent material in the molecular sieve paper
Content is high, large amount of adsorption in unit volume, and can adapt to different temperatures and humidity environment, can be used as fixed adsorption bed or dense
The absorption core wheel of contracting runner plays positive effect to industrial organic exhaust gas is administered.
In order to achieve the above object, the disclosure proposes following technical scheme:
A kind of glass fibre molecule of the skeleton sieve paper with porous structure, the composition of the glass fibre molecule of the skeleton sieve paper
And mass percent are as follows:
Molecular sieve 70~80%
Glass fibre 5-15%
Silica 5-15%.
The disclosure also provides a kind of preparation method of glass fibre molecule of the skeleton sieve paper with porous structure, including as follows
Step:
S100: weighing glass fibre, inorganic adhesive, pore creating material and molecular sieve respectively and be placed in a beaker and add water and stir, and uses
Standard fibers, which discongest device and discongest separation, forms suspension；
S200: cationic polydimethyl diallyl ammonium chloride is added in discongesting the suspension after separation, wait suspend
After coacervation occurs in liquid, anion-polyacrylamide is added and continues to stir, until the anion-polyacrylamide point
It dissipates uniformly, adds water by the concentration dilution of suspension to 0.3%-0.4%；
S300: being squeezed after the suspension after dilution is manufactured paper with pulp into wet glass fiber skeleton molecular sieve paper, toasted, and is made
Flat glass fiber skeleton molecular sieve paper；
S400: the flat glass fiber skeleton molecular sieve paper is calcined.
Preferably, the inorganic adhesive include it is following any one: attapulgite clay, kaolin, alkaline silica sol and
Alkaline Aluminum sol.
Preferably, the pore creating material include it is following any one: methylcellulose, corn flour and polyethylene glycol oxide.
Preferably, the molecular sieve include it is following any one: type ZSM 5 molecular sieve, NaY type molecular sieve, 5A type molecule
Sieve and 14X molecular sieve.
Preferably, the mass ratio of the glass fibre, molecular sieve, inorganic adhesive and pore creating material are as follows: 10-20g: 70-85g
∶5-10g∶5-10g。
Preferably, in step S200, the quality of the cationic polydimethyl diallyl ammonium chloride is 0.1-
0.35g, the quality of the anion-polyacrylamide are 0.2-0.7g.
Preferably, in step S300, the wet glass fiber skeleton molecular sieve paper with a thickness of 0.1-0.3mm.
Preferably, in step S300, the wet glass fiber skeleton molecular sieve paper squeezes 5-10 points at 350-400KPa
Clock toasts 30-60 minutes in 110 DEG C of baking ovens.
Preferably, in step S400, the flat glass fiber skeleton molecular sieve paper is forged in 350-400 DEG C of Muffle furnace
It burns 20-30 minutes.
Compared with prior art, disclosure bring has the beneficial effect that the porous type glass fibre skeleton that the disclosure proposes
Preparation method is simple for molecular sieve paper, strong operability, can be used for large area preparation of industrialization；The glass fibre skeleton of preparation
For molecular sieve content 75% or more, adsorbent material content is high in molecular sieve paper, the large amount of adsorption in unit volume；Inside paper
Porous structure can significantly improve the specific surface area of glass fibre molecule of the skeleton sieve paper, increase the contact with organic exhaust gas, improve
Adsorption capacity prolongs the service life, and reduces droop loss, is suitable for different temperatures and humidity environment, can be used as fixed absorption
Bed or concentration runner adsorb core wheel, are widely used in industrial organic exhaust gas improvement.
Detailed description of the invention
Fig. 1 is a kind of preparation method process for glass fibre molecule of the skeleton sieve paper with porous structure that the disclosure provides
Figure；
Fig. 2 is the Dynamic Adsorption first of sample in testing example 1, embodiment 3 and embodiment 5 under the conditions of humidity is 75%
Benzene saturation plot；
Fig. 3 is under the conditions of humidity is 75%, and the Dynamic Adsorption toluene of sample is saturated bent in testing example 1 and comparative example 1
Line chart.
Specific embodiment
1 the technical solution of the disclosure is described in detail to attached drawing 3 and embodiment with reference to the accompanying drawing.Art technology
Personnel it should be understood that, following embodiment be only used to illustrate the disclosure rather than be used to limit the claimed range of the disclosure.
In one embodiment, a kind of glass fibre molecule of the skeleton with porous structure sieves paper, composition and quality percentage
Than are as follows:
Molecular sieve 70~80%
Glass fibre 5-15%
Silica 5-15%.
In one embodiment, a kind of preparation method of the glass fibre molecule of the skeleton sieve paper with porous structure, including such as
Lower step:
S11: under room temperature, glass fibre 15g, type ZSM 5 molecular sieve 75g, alkaline silica sol 5g, methyl are weighed respectively
Cellulose 5g is placed in a beaker, add water and stir uniformly, with standard fibers discongest device discongest after twenty minutes separation form suspension；
In the step, preferred 10-20 μm of diameter of the glass fibre, the alkali-free short glass fiber of length 5-10mm.
S12: being added cationic polydimethyl diallyl ammonium chloride 0.10g in discongesting the suspension after separation, to
After there is coacervation in suspension, anion-polyacrylamide 0.20g is added and continues to stir, until the anionic is poly-
Acrylamide is uniformly dispersed, and adds water by the concentration dilution of suspension to 0.3%；
In the step, the molecular weight of the cationic polydimethyl diallyl ammonium chloride is 2-5 × 105G/mol, electricity
Lotus density is 3-5meq/g, and quality is the 0.1%-0.5% of suspension quality.Solid contains in the anion-polyacrylamide
Amount is greater than 88%, and charge density 1-3meq/g, quality is the 0.5%-3% of suspension quality.
S13: wet glass fiber skeleton molecular sieve paper will be manufactured paper with pulp into the suspension investment sheet forming apparatus after dilution, will copied
The wet glass fiber skeleton molecular sieve paper created squeezes after five minutes in the suction press equipment that pressure is 350KPa, is placed in
It is toasted 30 minutes in 110 DEG C of baking oven, flat glass fiber skeleton molecular sieve paper is made；
In the step, the thickness control of the glass fibre molecule of the skeleton sieve paper is between 0.1-0.3mm.It needs to illustrate
It is that the thickness of paper will affect the adsorption efficiency of molecular sieve, if the thickness of paper is too low, the intensity of normal use is not achieved, it is thick
Degree is that the tensile strength of the glass fibre fibrous skeleton paper of 0.05mm is only to sieve paper with a thickness of the glass fibre molecule of the skeleton of 0.1mm
1/4, be unable to satisfy normal use；The thickness of paper is excessively high, then is unfavorable for absorption of the molecular sieve to volatile organic compounds,
When the thickness of glass fibre molecule of the skeleton sieve paper is greater than 0.3mm, the adsorption capacity of glass fibre molecule of the skeleton sieve can sharply decline,
Adsorption capacity with a thickness of the glass fibre molecule of the skeleton sieve paper of 0.5mm is only the glass fibre molecule of the skeleton with a thickness of 0.3mm
Sieve the 1/2 of paper.Therefore, it is proved through test of many times, when the thickness control of glass fibre molecule of the skeleton sieve paper is between 0.1-0.3mm
When, molecular sieve can achieve maximal efficiency to the absorption of volatile organic compounds.
S14: flat glass fiber skeleton molecular sieve paper is put into Muffle furnace at temperature lower calcination 20 minutes of 350 DEG C,
Obtain the high-adsorption-capacity glass fibre molecule of the skeleton sieve paper with porous structure.
In another embodiment, a kind of preparation method of glass fibre molecule of the skeleton sieve paper includes the following steps:
S21: under room temperature, glass fibre 10g, NaY type molecular sieve 70g, kaolin 10g, corn flour 10g are weighed respectively
Be placed in a beaker, add water and stir uniformly, with standard fibers discongest device discongest after twenty minutes separation form suspension；
S22: being added cationic polydimethyl diallyl ammonium chloride 0.20g in discongesting the suspension after separation, to
After there is coacervation in suspension, anion-polyacrylamide 0.40g is added and continues stirring until anionic polypropylene
Amide is uniformly dispersed, and adds water by the concentration dilution of suspension to 0.3%；
In the step, the molecular weight of the cationic polydimethyl diallyl ammonium chloride is 2-5 × 105G/mol, electricity
Lotus density is 3-5meq/g, and quality is the 0.1%-0.5% of suspension quality.Solid contains in the anion-polyacrylamide
Amount is greater than 88%, and charge density 1-3meq/g, quality is the 0.5%-3% of suspension quality.
S23: wet glass fiber skeleton molecular sieve paper will be manufactured paper with pulp into the suspension investment sheet forming apparatus after dilution, will copied
The wet glass fiber skeleton molecular sieve paper created squeezes after five minutes in the suction press equipment that pressure is 350KPa, is placed in
It is toasted 30 minutes in 110 DEG C of baking oven, flat glass fiber skeleton molecular sieve paper is made；
In the step, the thickness control of the glass fibre molecule of the skeleton sieve paper is between 0.1-0.3mm.It needs to illustrate
It is that the thickness of paper will affect the adsorption efficiency of molecular sieve, if the thickness of paper is too low, the intensity of normal use is not achieved, it is thick
Degree is that the tensile strength of the glass fibre fibrous skeleton paper of 0.05mm is only to sieve paper with a thickness of the glass fibre molecule of the skeleton of 0.1mm
1/4, be unable to satisfy normal use；The thickness of paper is excessively high, then is unfavorable for absorption of the molecular sieve to volatile organic compounds,
When the thickness of glass fibre molecule of the skeleton sieve paper is greater than 0.3mm, the adsorption capacity of glass fibre molecule of the skeleton sieve can sharply decline,
Adsorption capacity with a thickness of the glass fibre molecule of the skeleton sieve paper of 0.5mm is only the glass fibre molecule of the skeleton with a thickness of 0.3mm
Sieve the 1/2 of paper.Therefore, it is proved through test of many times, when the thickness control of glass fibre molecule of the skeleton sieve paper is between 0.1-0.3mm
When, molecular sieve can achieve maximal efficiency to the absorption of volatile organic compounds.
S24: flat glass fiber skeleton molecular sieve paper is put into Muffle furnace at temperature lower calcination 20 minutes of 350 DEG C,
Obtain the high-adsorption-capacity glass fibre molecule of the skeleton sieve paper with porous structure.
In another embodiment, a kind of preparation method with porous structure glass fibre molecule of the skeleton sieve paper, including such as
Lower step:
S31: under room temperature, glass fibre 10g, 5A molecular sieve 75g, attapulgite clay 5g, polyoxyethylene are weighed respectively
Alkene 10g is placed in a beaker, add water and stir uniformly, with standard fibers discongest device discongest after twenty minutes separation form suspension；
S32: being added cationic polydimethyl diallyl ammonium chloride 0.25g in discongesting the suspension after separation, to
After there is coacervation in suspension, anion-polyacrylamide 0.60g is added and continues to stir, until the anionic is poly-
Acrylamide is uniformly dispersed, and adds water by the concentration dilution of suspension to 0.4%；
In the step, the molecular weight of the cationic polydimethyl diallyl ammonium chloride is 2-5 × 105G/mol, electricity
Lotus density is 3-5meq/g, and quality is the 0.1%-0.5% of suspension quality.Solid contains in the anion-polyacrylamide
Amount is greater than 88%, and charge density 1-3meq/g, quality is the 0.5%-3% of suspension quality.
S33: wet glass fiber skeleton molecular sieve paper will be manufactured paper with pulp into the suspension investment sheet forming apparatus after dilution, will copied
The wet glass fiber skeleton molecular sieve paper created squeezes after five minutes in the suction press equipment that pressure is 350KPa, is placed in
It is toasted 30 minutes in 110 DEG C of baking oven, flat glass fiber skeleton molecular sieve paper is made；
In the step, the thickness control of the glass fibre molecule of the skeleton sieve paper is between 0.1-0.3mm.It needs to illustrate
It is that the thickness of paper will affect the adsorption efficiency of molecular sieve, if the thickness of paper is too low, the intensity of normal use is not achieved, it is thick
Degree is that the tensile strength of the glass fibre fibrous skeleton paper of 0.05mm is only to sieve paper with a thickness of the glass fibre molecule of the skeleton of 0.1mm
1/4, be unable to satisfy normal use；The thickness of paper is excessively high, then is unfavorable for absorption of the molecular sieve to volatile organic compounds,
When the thickness of glass fibre molecule of the skeleton sieve paper is greater than 0.3mm, the adsorption capacity of glass fibre molecule of the skeleton sieve can sharply decline,
Adsorption capacity with a thickness of the glass fibre molecule of the skeleton sieve paper of 0.5mm is only the glass fibre molecule of the skeleton with a thickness of 0.3mm
Sieve the 1/2 of paper.Therefore, it is proved through test of many times, when the thickness control of glass fibre molecule of the skeleton sieve paper is between 0.1-0.3mm
When, molecular sieve can achieve maximal efficiency to the absorption of volatile organic compounds.
S34: flat glass fiber skeleton molecular sieve paper is put into Muffle furnace at temperature lower calcination 20 minutes of 350 DEG C,
Obtain the high-adsorption-capacity glass fibre molecule of the skeleton sieve paper with porous structure.
In another embodiment, a kind of preparation method with porous structure glass fibre molecule of the skeleton sieve paper, including such as
Lower step:
S41:: under room temperature, glass fibre 15g, type ZSM 5 molecular sieve 80g, alkaline silica sol 5g, first are weighed respectively
Base cellulose 5g is placed in a beaker, add water and stir uniformly, with standard fibers discongest device discongest after twenty minutes separation form suspension；
S42: being added cationic polydimethyl diallyl ammonium chloride 0.10g in discongesting the suspension after separation, to
After there is coacervation in suspension, anion-polyacrylamide 0.20g is added and continues to stir, until the anionic is poly-
Acrylamide is uniformly dispersed, and adds water by the concentration dilution of suspension to 0.3%；
In the step, the molecular weight of the cationic polydimethyl diallyl ammonium chloride is 2-5 × 105G/mol, electricity
Lotus density is 3-5meq/g, and quality is the 0.1%-0.5% of suspension quality.Solid contains in the anion-polyacrylamide
Amount is greater than 88%, and charge density 1-3meq/g, quality is the 0.5%-3% of suspension quality.
S43: wet glass fiber skeleton molecular sieve paper will be manufactured paper with pulp into the suspension investment sheet forming apparatus after dilution, controlled
Its glass fibre molecule of the skeleton sieves the thickness of paper between 0.1-0.3mm.The wet glass fiber skeleton molecular sieve that will manufacture paper with pulp out
Paper is squeezed in the baking oven for be placed in after ten minutes 110 DEG C in the suction press equipment that pressure is 400KPa and is toasted 60 minutes, is made
Flat glass fiber skeleton molecular sieve paper；
In the step, the thickness control of the glass fibre molecule of the skeleton sieve paper is between 0.1-0.3mm.It needs to illustrate
It is that the thickness of paper will affect the adsorption efficiency of molecular sieve, if the thickness of paper is too low, the intensity of normal use is not achieved, it is thick
Degree is that the tensile strength of the glass fibre fibrous skeleton paper of 0.05mm is only to sieve paper with a thickness of the glass fibre molecule of the skeleton of 0.1mm
1/4, be unable to satisfy normal use；The thickness of paper is excessively high, then is unfavorable for absorption of the molecular sieve to volatile organic compounds,
When the thickness of glass fibre molecule of the skeleton sieve paper is greater than 0.3mm, the adsorption capacity of glass fibre molecule of the skeleton sieve can sharply decline,
Adsorption capacity with a thickness of the glass fibre molecule of the skeleton sieve paper of 0.5mm is only the glass fibre molecule of the skeleton with a thickness of 0.3mm
Sieve the 1/2 of paper.Therefore, it is proved through test of many times, when the thickness control of glass fibre molecule of the skeleton sieve paper is between 0.1-0.3mm
When, molecular sieve can achieve maximal efficiency to the absorption of volatile organic compounds.
S44: flat glass fiber skeleton molecular sieve paper is put into Muffle furnace at temperature lower calcination 30 minutes of 400 DEG C,
Obtain the high-adsorption-capacity glass fibre molecule of the skeleton sieve paper with porous structure.
In another embodiment, a kind of preparation method with porous structure glass fibre molecule of the skeleton sieve paper, including such as
Lower step:
S51: under room temperature, glass fibre 20g, 14X molecular sieve 85g, alkaline Aluminum sol 5g, Methyl cellulose are weighed respectively
Plain 5g is placed in a beaker, add water and stir uniformly, with standard fibers discongest device discongest after twenty minutes separation form suspension；
S52: being added cationic polydimethyl diallyl ammonium chloride 0.35g in discongesting the suspension after separation, to
After there is coacervation in suspension, anion-polyacrylamide 0.70g is added and continues to stir, until the anionic is poly-
Acrylamide is uniformly dispersed, and adds water by the concentration dilution of suspension to 0.4%；
In the step, the molecular weight of the cationic polydimethyl diallyl ammonium chloride is 2~5 × 105G/mol,
Charge density is 3-5meq/g, and quality is the 0.1%-0.5% of suspension quality.Solid in the anion-polyacrylamide
Content is greater than 88%, and charge density 1-3meq/g, quality is the 0.5%-3% of suspension quality.
S53: wet glass fiber skeleton molecular sieve paper will be manufactured paper with pulp into the suspension investment sheet forming apparatus after dilution, controlled
Its glass fibre molecule of the skeleton sieves the thickness of paper between 0.1-0.3mm.The wet glass fiber skeleton molecular sieve that will manufacture paper with pulp out
Paper is squeezed in the baking oven for be placed in after ten minutes 110 DEG C in the suction press equipment that pressure is 400KPa and is toasted 60 minutes, is made
Flat glass fiber skeleton molecular sieve paper；
In the step, the thickness control of the glass fibre molecule of the skeleton sieve paper is between 0.1-0.3mm.It needs to illustrate
It is that the thickness of paper will affect the adsorption efficiency of molecular sieve, if the thickness of paper is too low, the intensity of normal use is not achieved, it is thick
Degree is that the tensile strength of the glass fibre fibrous skeleton paper of 0.05mm is only to sieve paper with a thickness of the glass fibre molecule of the skeleton of 0.1mm
1/4, be unable to satisfy normal use；The thickness of paper is excessively high, then is unfavorable for absorption of the molecular sieve to volatile organic compounds,
When the thickness of glass fibre molecule of the skeleton sieve paper is greater than 0.3mm, the adsorption capacity of glass fibre molecule of the skeleton sieve can sharply decline,
Adsorption capacity with a thickness of the glass fibre molecule of the skeleton sieve paper of 0.5mm is only the glass fibre molecule of the skeleton with a thickness of 0.3mm
Sieve the 1/2 of paper.Therefore, it is proved through test of many times, when the thickness control of glass fibre molecule of the skeleton sieve paper is between 0.1-0.3mm
When, molecular sieve can achieve maximal efficiency to the absorption of volatile organic compounds.
S54: flat glass fiber skeleton molecular sieve paper is put into Muffle furnace at temperature lower calcination 30 minutes of 400 DEG C,
Obtain the high-adsorption-capacity glass fibre molecule of the skeleton sieve paper with porous structure.
It should be noted that in the step S12-S52 of the various embodiments described above, if suspension concentration is too low, moisture content mistake
Height will lead to too long the time required to the molding of molecular sieve paper in subsequent step；If suspension concentration is excessively high, it will lead to solid matter and exist
Disperse unevenly, to be unfavorable for the dispersion of glass fibre in water, will affect paper molding.
It should also be noted that, the pressure of 350-400KPa is empirical value in the step S13-S53 of the various embodiments described above,
It is obtained according to test of many times proving institute, if pressure is excessive, the molecular sieve of attachment on the glass fibers is easy to cause to fall off；If pressure
It is strong too low, then it is bad to will lead to dehydrating effect.
The disclosure additionally provides the preparation method of existing simple glass fiber skeleton molecular sieve paper embodiment as a comparison,
It is specific as follows:
A kind of preparation method of glass fibre molecule of the skeleton sieve paper, includes the following steps:
1: under room temperature, weighing glass fibre 15g, type ZSM 5 molecular sieve 75g, alkaline silica sol 10g respectively and be placed in burning
Cup in, be added clear water after stir evenly, with standard fibers discongest device discongest after twenty minutes separation form suspension；
2: cationic polydimethyl diallyl ammonium chloride 0.10g being added in discongesting the suspension after separation, to outstanding
After there is coacervation in supernatant liquid, anion-polyacrylamide 0.20g is added and continues to stir, until the anionic poly- third
Acrylamide is uniformly dispersed, and water is added to be diluted to 0.3% suspension；
3: wet glass fiber skeleton molecular sieve paper will be manufactured paper with pulp into the suspension investment sheet forming apparatus after dilution；Control it
Glass fibre molecule of the skeleton sieves the thickness of paper between 0.1-0.3mm, the wet glass fiber skeleton molecular sieve paper that will manufacture paper with pulp out
It squeezes in the baking oven for be placed in after five minutes 110 DEG C and toasts 30 minutes at 350KPa, common plane glass fibre skeleton point is made
Son sieve paper.
The characteristics of in order to better illustrate technical solution described in the disclosure, is chosen real with comparison through the foregoing embodiment respectively
Example preparation gained glass fibre molecule of the skeleton sieve paper is applied to be tested for the property, specific as follows:
The glass prepared in the above-mentioned first embodiment of the random selection disclosure, 3rd embodiment, the 5th embodiment and comparative example
The paper prepared is broken into the blocky paper scrap that diameter is less than 2mm with shredder, is respectively placed in suction by glass fiber skeleton molecular sieve paper
It is tested in quartz reactor in adsorption device.Be test adsorbate with toluene and water, by being bubbled at a certain temperature and
Dilution air configures the toluene air-flow of a certain concentration and humidity, tests composite material absorption property prepared by the disclosure.Its
In, it is 0.2~0.3m/s in superficial linear velocity, the concentration of quartz reactor entrance toluene is 300~400mg/m3, humidity 70
~80%, volume space velocity is 6000~7000h-1Under conditions of test.Using toluene in chromatographic measurement tail gas
Concentration.In adsorption process, what exit gas concentration reached entrance concentration 5% is set as breakthrough point, and reaching 100% is considered adsorbing
Saturation is time of break-through from the time for starting to be adsorbed between breakthrough point.First embodiment, 3rd embodiment and the 5th embodiment
Experimental results when humidity is 75% are shown in as shown in Fig. 2, first embodiment and comparative example are when humidity is 75%
Experimental results see attached drawing 3.From figure 2 it can be seen that being prepared in first embodiment, 3rd embodiment and the 5th embodiment
Sample under equal conditions penetrate little with saturated adsorption time difference, this sample also demonstrated in three embodiments has
There is preferable adsorption effect；From figure 3, it can be seen that being prepared in first embodiment compared to the sample in comparative example
Sample under equal conditions penetrates longer with saturated adsorption time, this, which also demonstrates the sample in first embodiment, higher suction
Attached capacity.
A kind of glass fibre molecule of the skeleton sieve paper with porous structure that above-described embodiment is prepared is flat porous
Property adsorbent material, with a thickness of 0.1-0.3mm, quantification of 100 ± 10g/m2, specific surface area reaches 500m2/ g or more, and comparative example 1
The simple glass fiber skeleton molecular sieve paper specific surface area of middle preparation is only 410m2/g。
Above embodiments are only that the preferred embodiment of the disclosure is described, and are not limited the scope of the present invention
Fixed, without departing from the spirit of the design of the present invention, those skilled in the art make the technical solution of the disclosure various
Variations and modifications should all be fallen into the protection scope of the determination of the disclosure.
Claims (10)
1. a kind of glass fibre molecule of the skeleton with porous structure sieves paper, the composition of the glass fibre molecule of the skeleton sieve paper and
Mass percent are as follows:
Molecular sieve 70~80%
Glass fibre 5-15%
Silica 5-15%.
2. a kind of preparation method of the glass fibre molecule of the skeleton sieve paper with porous structure, it is preferred that include the following steps:
S100: weighing glass fibre, inorganic adhesive, pore creating material and molecular sieve respectively and be placed in a beaker and add water and stir, and uses standard
Fiber, which discongests device and discongests separation, forms suspension；
S200: cationic polydimethyl diallyl ammonium chloride is added in discongesting the suspension after separation, goes out to suspension
After existing coacervation, anion-polyacrylamide is added and continues to stir, until anion-polyacrylamide dispersion is equal
It is even, add water by the concentration dilution of suspension to 0.3%-0.4%；
S300: being squeezed after the suspension after dilution is manufactured paper with pulp into wet glass fiber skeleton molecular sieve paper, toasted, and plane is made
Glass fibre molecule of the skeleton sieves paper；
S400: the flat glass fiber skeleton molecular sieve paper is calcined.
3. according to the method described in claim 2, it is characterized in that, the inorganic adhesive include it is following any one: it is concave-convex
Stick clay, kaolin, alkaline silica sol and alkaline Aluminum sol.
4. according to the method described in claim 2, it is characterized in that, the pore creating material include it is following any one: Methyl cellulose
Element, corn flour and polyethylene glycol oxide.
5. according to the method described in claim 2, it is characterized in that, the molecular sieve include it is following any one: ZSM-5 type point
Sub- sieve, NaY type molecular sieve, 5A type molecular sieve and 14X molecular sieve.
6. according to the method described in claim 2, it is characterized in that, the glass fibre, molecular sieve, inorganic adhesive and pore-creating
The mass ratio of agent are as follows: 10-20g: 70-85g: 5-10g: 5-10g.
7. according to the method described in claim 2, it is characterized in that, in step S200, the cationic poly dimethyl diene
The quality of propyl ammonium chloride is 0.1-0.35g, and the quality of the anion-polyacrylamide is 0.2-0.7g.
8. according to the method described in claim 2, it is characterized in that, in step S300, the wet glass fiber skeleton molecular sieve
Paper with a thickness of 0.1-0.3mm.
9. according to the method described in claim 2, its spy be, in step S300, the wet glass fiber skeleton molecular sieve
Paper squeezes 5-10 minutes at 350-400KPa, toasts 30-60 minutes in 110 DEG C of baking ovens.
10. according to the method described in claim 2, its spy be, in step S400, the flat glass fiber skeleton molecule
Sieve paper is calcined 20-30 minutes in 350-400 DEG C of Muffle furnace.
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