CN105862516A - Glass-fiber air filter paper containing carbon nanometer materials and preparing method thereof - Google Patents
Glass-fiber air filter paper containing carbon nanometer materials and preparing method thereof Download PDFInfo
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- CN105862516A CN105862516A CN201610388879.0A CN201610388879A CN105862516A CN 105862516 A CN105862516 A CN 105862516A CN 201610388879 A CN201610388879 A CN 201610388879A CN 105862516 A CN105862516 A CN 105862516A
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- China
- Prior art keywords
- glass fibre
- carbon nanomaterial
- filter paper
- air filter
- glass
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/08—Filter paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/36—Inorganic fibres or flakes
- D21H13/38—Inorganic fibres or flakes siliceous
- D21H13/40—Inorganic fibres or flakes siliceous vitreous, e.g. mineral wool, glass fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/36—Inorganic fibres or flakes
- D21H13/46—Non-siliceous fibres, e.g. from metal oxides
- D21H13/50—Carbon fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/08—Dispersing agents for fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
Abstract
The invention relates to glass-fiber air filter paper containing carbon nanometer materials and a preparing method thereof. The preparing method includes the following steps that 1, the carbon nanometer materials are added into an anion-dispersing-agent water solution, the mixture is subjected to ultrasonic dispersion, and carbon-nanometer-material dispersion liquid is prepared; 2, glass fiber materials are added into water, acid is added, the pH value is adjusted to 2.5 to 3.5, then the mixture is dispersed, then a stabilizer water solution is added, and glass-fiber-material dispersion liquid is prepared; 3, the carbon-nanometer-material dispersion liquid and the glass-fiber-material dispersion liquid are mixed to be even and fed to a forming device to be sucked, then forming wet paper is obtained, sizing and drying are carried out, and the glass-fiber air filter paper is obtained. The glass-fiber air filter paper containing the carbon nanometer materials prepared with the method is of a functional double-layer structure, and is applied to the field of air filter paper, air resistance is small, filter efficiency is high, powder falling is avoided, and the excellent antimicrobial performance is achieved.
Description
Technical field
The present invention relates to Material Field, particularly relate to a kind of glass fibre air filtration containing carbon nanomaterial
Paper and preparation method thereof.
Background technology
The fibre diameter of filtering material is the least, removes the particle diameter of particulate in air the least, and filter efficiency is the most just
The highest.Compared with traditional fibre, nanometer materials have shown more preferable strainability.Carbon nanomaterial has
There are the least nanometer grade diameter, huge specific surface area, excellent absorption property, superpower mechanical property,
These characteristics make it have a good application prospect in field of air filtration.Carbon nanomaterial realizes at present
Industrial production, inexpensively, and length is more and more longer for carbon nanomaterial product, and this is that carbon nanomaterial is at sky
The application of gas filtration art provides direct conditions.
But, owing to carbon nanomaterial diameter dimension is Nano grade, and the diameter of normal air filtering material is
Micron level, both size differences are the biggest, it is difficult to be directly applied in air filtration by carbon nanomaterial.Mesh
Before, the method both being combined is mainly liquid deposition and vapor phase growth, uses differential filter method by carbon nanometer
Material is deposited directly on air filter paper, simple to operate, but owing to having certain space, carbon inside paper
Nano material can spill from these spaces thus penetrate paper, causes carbon nanomaterial retaining on paper
Rate is the highest, wastes raw material.The intermolecular forces of carbon nanomaterial and air filter paper primary raw material glass fibre is very
Little, directly use differential filter to be trapped on paper, carbon nanomaterial is easy to the dry linting that comes off, and is giving birth to
It is inconvenient for during producing and using, even can become secondary pollution source.Vapor growth method is at porous material
Surface direct growth carbon nanomaterial, the method condition is harsh, and the membrane area of preparation is the least, is unfavorable for work
Industryization is promoted.
In recent years, research finds that carbon nanomaterial surface exists some defect, as function carrier, function
Property group or predetermined substance can be combined in its surface with rejected region by the form of covalent bond, non-covalent bond,
Carbon nanomaterial is made to have types of functionality concurrently.Such as the antiseptics such as Nano Silver are loaded on the carbon nanotubes, can
Significantly improve antibacterial activity, reduce Nano Silver consumption；Light is made in nano-titanium oxide load on the carbon nanotubes
Catalyst, is remarkably improved its catalytic efficiency.
Therefore, the deficiency that existing preparation method exists, the research and development more existing liquid deposition of one and gas phase are overcome
The preparation method of the air filter paper that growth method preferably contains nano material is to need one solved to ask so far
Topic.
Summary of the invention
Based on this, it is necessary to for the problems referred to above, it is provided that a kind of glass fibre air mistake containing carbon nanomaterial
Filter paper and preparation method thereof.
Concrete technical scheme is as follows:
The preparation method of a kind of glass fibre air filter paper containing carbon nanomaterial, comprises the following steps:
(1) carbon nanomaterial addition is carried out to the anionic dispersing agents aqueous solution that concentration is 0.1～10g/L
Ultrasonic disperse, is configured to the carbon nanomaterial dispersion liquid that mass fraction is 0.05～0.5% of carbon nanomaterial；
(2) being added to the water by glass fiber material, adding acid for adjusting pH value is to discongest dispersion after 2.5～3.5,
It is subsequently adding the stabilizer aqueous solution, is configured to the glass that mass fraction is 0.01～0.05% of glass fiber material
Fibrous material dispersion liquid, in the described stabilizer aqueous solution, the quality of stabilizer is described glass fiber material quality
0.001～0.01%；
Described glass fiber material is glass fibre and/or microglass fiber；
(3) described carbon nanomaterial dispersion liquid and glass fiber material dispersion liquid are mixed, deliver to shaping
L Water Paper must be molded after suction on device, then applying glue, be dried, to obtain final product.
Step (1) in preparation method of the present invention can be carried out after step (2), can first carry out step (1),
Carry out step (2) again；Also can first carry out step (2), then carry out step (1).
Wherein in some embodiments, described anionic dispersing agents is lauryl sodium sulfate, detergent alkylate
One in sodium sulfonate, SAS and ammonium lauryl sulfate.Described anionic dispersing agents is preferred
Lauryl sodium sulfate.
Wherein in some embodiments, described stabilizer be molecular weight be 50～8,000,000 polyethylene glycol oxide,
Molecular weight be 10～10,000,000 polyacrylamide and sodium carboxymethylcellulose in one.Stabilizer is preferred
Molecular weight is the polyethylene glycol oxide of 500～6,000,000.
Wherein in some embodiments, the concentration of the described stabilizer aqueous solution is 0.1～2g/L.Stabilizer is water-soluble
The concentration of liquid more preferably 0.9～1.1g/L.
Wherein in some embodiments, described glass fiber material is by glass fibre and microglass fiber mixing
Become.
Wherein in some embodiments, a diameter of 5～30 μm of described glass fibre, described microglass fiber
A diameter of 0.05～2 μm.
Wherein in some embodiments, the mass ratio of described glass fibre and microglass fiber is 1:1～4.Glass
The mass ratio of glass fiber and microglass fiber more preferably 1:3～4.
Wherein in some embodiments, described carbon nanomaterial be a diameter of 1～the carbon nano-fiber of 100nm and/
Or CNT.
Wherein in some embodiments, described carbon nanomaterial dispersion liquid and the mass ratio of glass fibre dispersion liquid
For 1:500～5000.
Invention additionally discloses the glass fibre air filtration containing carbon nanomaterial of a kind of above-mentioned preparation method gained
Paper.
The present invention compares the advantage of prior art and has the beneficial effect that
Inventor team is by substantial amounts of research, for carbon nanomaterial in existing preparation technology in air filtration
In paper, content is low, adhesion little, and easily come off the defects such as dry linting, develops one and can solve the problems referred to above
Preparation method, and determine preferred technical parameter by great many of experiments and contrast test.Gained of the present invention
Glass fibre air filter paper containing carbon nanomaterial divides two-layer, wherein not carbon containing in a layer and this layer of surface
Nano material, containing carbon nanomaterial in other one layer and this layer of surface, and the top layer containing carbon nanomaterial
In, carbon nanomaterial is the most uniformly combined with glass fibre, really realizes high-efficiency low-resistance.
When carrying out air filtration, will the present invention glass fibre air filter paper containing carbon nanomaterial contain
The one side of carbon nanomaterial, as windward side, can solve the dusting problems during using very well；Meanwhile, by
It is evenly distributed with carbon nanomaterial in the top layer of windward side so that carbon nanomaterial is fully contacted with bacterium, protects
Demonstrate,prove antibacterial high efficiency and persistence.
Preparation method of the present invention is simple, with low cost；Prepare the gained glass fibre air containing carbon nanomaterial
Carbon nanomaterial content in filter paper is moderate, difficult drop-off dry linting；It is applied to air filter paper field, empty
Atmidometer is little, filter efficiency is high, and has the anti-microbial property of excellence.
Accompanying drawing explanation
Fig. 1 is the two-sided comparison figure of the prepared glass fibre air filter paper containing carbon nanomaterial of embodiment 1,
Wherein 100 is the one side containing CNT, and 200 is the one side not containing CNT；
Fig. 2 is that the prepared glass fibre air filter paper containing carbon nanomaterial of embodiment 1 does not contains carbon nanometer
The electron microscope scanning enlarged drawing of pipe one side；
Fig. 3 is that the prepared glass fibre air filter paper containing carbon nanomaterial of embodiment 1 contains CNT
The electron microscope scanning enlarged drawing of one side.
Detailed description of the invention
With specific embodiment the present invention made the most concrete detailed description below in conjunction with the accompanying drawings.
Raw materials used in following example it is commercially available common raw material.
Embodiment 1
The preparation method of a kind of glass fibre air filter paper containing carbon nanomaterial, comprises the following steps:
(1) by a diameter of 50～80nm CNT add to concentration be the lauryl sodium sulfate of 0.5g/L
In the aqueous solution, and ultrasonic disperse 5 minutes under 1000W, being configured to carbon nanotube mass mark is 0.2%
Carbon nanomaterial dispersion liquid；
(2) by the glass fibre of 6.5 μ m diameter, 0.1～2 the microglass fiber of μ m diameter be 1 in mass ratio:
After the ratio mixing of 4, the acid for adjusting pH value that adds water, to 3, is that 2000 turns/min discongests dispersion 10min with rotating speed；
It is subsequently adding the polyoxyethylene that concentration is 1g/L being configured to that added water by the polyethylene glycol oxide that molecular weight is 6,000,000
Aqueous solution, is configured to the glass fibre that mass fraction summation is 0.05% of glass fibre and microglass fiber
Material dispersion liquid, wherein, the addition of polyoxyethylene aqueous solution is according to gathering in polyoxyethylene aqueous solution
The quality of ethylene oxide is the proportioning of the 0.01% of glass fibre and microglass fiber quality summation；
(3) then scattered carbon nanomaterial dispersion liquid and glass fiber material dispersion liquid are pressed 1:5000 ratio
Example mixes, and is configured to raw slurry, raw slurry is delivered to suction on former and is molded to obtain l Water Paper, then execute
With polyurethane binder (resin added as glass fibre and the 10% of microglass fiber gross mass), it is after drying
The glass fibre air filter paper of carbon nanomaterial must be contained.
The thickness of the present embodiment gained glass fibre air filter paper containing carbon nanomaterial is 330 μm, such as Fig. 1
Shown in, the present embodiment glass fibre air filter paper containing carbon nanomaterial is divided into two-layer, and CNT is uniform
It is distributed in wherein one layer and the surface 100 of this layer of glass fibre air filter paper containing carbon nanomaterial, separately
Outer one layer and this layer of surface 200 do not contain CNT, do not contain the electronics of the one side 200 of CNT
Microscope scanning enlarged drawing is as in figure 2 it is shown, there are no CNT；One side 100 containing CNT
Electron microscope scanning enlarged drawing as it is shown on figure 3, tiny CNT is combined with thicker glass fibre,
It is evenly distributed in glass fibre air filter paper；The present embodiment glass fibre air containing carbon nanomaterial
Filter paper is more than 99.99% to the clearance of the particle that particle diameter in air is more than 0.1 μm, and air drag is
270Pa；The present embodiment glass fibre air filter paper containing carbon nanomaterial has good anti-microbial property, its
Antimicrobial efficiency is more than 99.99%.
Embodiment 2
The preparation method of a kind of glass fibre air filter paper containing carbon nanomaterial, comprises the following steps:
(1) CNT of a diameter of 1～20nm is added water-soluble to the SAS that concentration is 1g/L
In liquid, and ultrasonic disperse 5 minutes under 1000W, it is configured to the carbon that carbon nanotube mass mark is 0.05%
Nano material dispersion liquid；
(2) by the glass fibre of 15 μ m diameter, 0.05～0.5 the microglass fiber of μ m diameter be in mass ratio
After the ratio mixing of 1:1, the acid for adjusting pH value that adds water, to 3, is that 2000 turns/min discongests dispersion with rotating speed
10min；Being subsequently adding by the polyacrylamide that molecular weight is 100,000 concentration being configured to that adds water is the poly-of 1g/L
Acrylamide aqueous solution, is configured to the glass that mass fraction summation is 0.05% of glass fibre and microglass fiber
Glass fibrous material dispersion liquid, wherein, the addition of polyacrylamide solution is according to polyacrylamide solution
In the quality of polyacrylamide is glass fibre and microglass fiber quality summation 0.01% proportioning；
(3) then scattered carbon nanomaterial dispersion liquid and glass fiber material dispersion liquid are pressed 1:500 ratio
Example mixes, and is configured to raw slurry, raw slurry is delivered to suction on former and is molded to obtain l Water Paper, then execute
With polyurethane binder (resin added as glass fibre and the 10% of microglass fiber gross mass), it is after drying
Carbon nanomaterial glass fibre air filter paper must be contained.
The present embodiment gained glass fibre air filter paper thickness containing carbon nanomaterial is 330 μm, is divided into two
Layer, CNT be evenly distributed on the glass fibre air filter paper containing carbon nanomaterial wherein one layer and
The surface of this layer, other one layer and this layer of surface do not contain CNT；The present embodiment gained carbon containing nanometer
The glass fibre air filter paper of material is 99.99% to the clearance of the particle that particle diameter in air is more than 0.1 μm
Above, air drag is 280Pa；The present embodiment glass fibre air filter paper containing carbon nanomaterial has very
Good anti-microbial property, its antimicrobial efficiency is more than 99.99%.
Embodiment 3
The preparation method of a kind of glass fibre air filter paper containing carbon nanomaterial, comprises the following steps:
(1) by a diameter of 80～the carbon nano-fiber of 100nm, add to concentration be the dodecyl of 0.1g/L
In benzene sulfonate aqueous solution, and ultrasonic disperse 5 minutes under 1000W, it is configured to carbon nano-fiber quality and divides
Number is the carbon nanomaterial dispersion liquid of 0.5%；
(2) by the glass fibre of 25 μ m diameter, 0.5～2 the microglass fiber of μ m diameter be 1:2 in mass ratio
After mixing, the acid for adjusting pH value that adds water, to 3, is that 2000 turns/min discongests dispersion 10min with rotating speed；Then
Add the polyacrylamide aqueous amine that concentration is 1g/L being configured to that added water by the polyacrylamide that molecular weight is 10,000,000
Solution, is configured to the glass fiber material that mass fraction summation is 0.01% of glass fibre and microglass fiber
Dispersion liquid, wherein, the addition of polyacrylamide solution is according to the polypropylene in polyacrylamide solution
The quality of acid amides is the proportioning of the 0.001% of glass fibre and microglass fiber quality summation；
(3) then scattered carbon nanomaterial dispersion liquid and glass fiber material dispersion liquid are pressed 1:1000 ratio
Example mixes, and is configured to raw slurry, delivers to raw slurry be molded on former, and suction is molded to obtain l Water Paper,
Then polyurethane binder (resin added is glass fibre and the 10% of microglass fiber gross mass) is imposed, dry
The glass fibre air filter paper containing carbon nanomaterial is i.e. obtained after dry.
The present embodiment gained glass fibre air filter paper thickness containing carbon nanomaterial is 300 μm, is divided into two
Layer, carbon nano-fiber be evenly distributed on the glass fibre air filter paper containing carbon nanomaterial wherein one layer with
And the surface of this layer, other one layer and this layer of surface do not contain carbon nano-fiber；The present embodiment gained carbon containing
Particle diameter in air more than the clearance of the particle of 0.1 μm is by the glass fibre air filter paper of nano material
More than 99.97%, air drag is 320Pa；The present embodiment glass fibre air filter paper containing carbon nanomaterial
Having good anti-microbial property, its antimicrobial efficiency is more than 99.99%.
Embodiment 4
The preparation method of a kind of glass fibre air filter paper containing carbon nanomaterial, comprises the following steps:
(1) by a diameter of 10～50nm CNT add to concentration be the ammonium lauryl sulfate of 2g/L
In the aqueous solution, and ultrasonic disperse 5 minutes under 1000W, being configured to carbon nanotube mass mark is 0.1%
Carbon nanomaterial dispersion liquid；
(2) by the glass fibre of 5 μ m diameter, 0.1～2 the microglass fiber of μ m diameter be 1:2 in mass ratio
Ratio mixing after, the acid for adjusting pH value that adds water to 3, with rotating speed be 2000 turns/min discongest dispersion 10min；
It is subsequently adding the polyethylene glycol oxide that concentration is 1g/L being configured to that added water by the polyethylene glycol oxide that molecular weight is 500,000
The aqueous solution, is configured to the glass fibre material that mass fraction summation is 0.04% of glass fibre and microglass fiber
Material dispersion liquid, wherein, the addition of polyoxyethylene aqueous solution is according to the polyoxy in polyoxyethylene aqueous solution
Change ethene quality is glass fibre and microglass fiber quality summation 0.01% proportioning；
(3) then scattered carbon nanomaterial dispersion liquid and glass fiber material dispersion liquid are pressed 1:5000 ratio
Example mixes, and is configured to raw slurry, delivers to raw slurry be molded on former, and suction is molded to obtain l Water Paper,
Then polyurethane binder (resin added is glass fibre and the 10% of microglass fiber gross mass) is imposed, dry
The glass fibre air filter paper containing carbon nanomaterial is i.e. obtained after dry.
The present embodiment gained glass fibre air filter paper thickness containing carbon nanomaterial is 340 μm, is divided into two
Layer, CNT be evenly distributed on the glass fibre air filter paper containing carbon nanomaterial wherein one layer and
The surface of this layer, other one layer and this layer of surface do not contain CNT；The present embodiment gained carbon containing nanometer
Particle diameter in air more than the clearance of 0.1 μm particles is by the glass fibre air filter paper of material
More than 99.98%, air drag is 300Pa；The present embodiment glass fibre air filter paper containing carbon nanomaterial
Having good anti-microbial property, its antimicrobial efficiency is more than 99.99%.
Embodiment 5
The preparation method of a kind of glass fibre air filter paper containing carbon nanomaterial, comprises the following steps:
(1) by a diameter of 7～the CNT of 20nm, add to concentration be the dodecyl sulphate of 10g/L
In sodium water solution, and ultrasonic disperse 5 minutes under 1000W, being configured to carbon nanotube mass mark is 0.1%
Carbon nanomaterial dispersion liquid；
(2) by the glass fibre of 6.5 μ m diameter, 0.5～2 the microglass fiber of μ m diameter be 1:1 in mass ratio
Ratio mixing after, the acid for adjusting pH value that adds water to 3, with rotating speed be 2000 turns/min discongest dispersion 10min；
The sodium carboxymethylcellulose that concentration is 1g/L that being subsequently adding is added water by sodium carboxymethylcellulose is configured to is water-soluble
Liquid, the glass fiber material that mass fraction summation is 0.05% being configured to glass fibre and microglass fiber divides
Dissipating liquid, wherein, the addition of sodium carboxymethyl cellulose solution is according in sodium carboxymethyl cellulose solution
The quality of sodium carboxymethylcellulose is the proportioning of the 0.01% of glass fibre and microglass fiber quality summation；
(3) then scattered carbon nanomaterial dispersion liquid and glass fiber material dispersion liquid are pressed 1:3000 ratio
Example mixes, and is configured to raw slurry, delivers to raw slurry be molded on former, and suction is molded to obtain l Water Paper,
Then polyurethane binder (resin added is glass fibre and the 10% of microglass fiber gross mass) is imposed, dry
The glass fibre air filter paper containing carbon nanomaterial is i.e. obtained after dry.
The present embodiment gained glass fibre air filter paper thickness containing carbon nanomaterial is 320 μm, is divided into two
Layer, CNT be evenly distributed on the glass fibre air filter paper containing carbon nanomaterial wherein one layer and
The surface of this layer, other one layer and this layer of surface do not contain CNT；The present embodiment gained carbon containing nanometer
Particle diameter in air more than the clearance of 0.1 μm particles is by the glass fibre air filter paper of material
More than 99.98%, air drag is 300Pa；The present embodiment glass fibre air filter paper containing carbon nanomaterial
Having good anti-microbial property, its antimicrobial efficiency is more than 99.99%.
Embodiment 6
The preparation method of a kind of glass fibre air filter paper containing carbon nanomaterial, comprises the following steps:
(1) by a diameter of 10～the CNT of 30nm, add to concentration be the dodecyl sulphate of 5g/L
In sodium water solution, and ultrasonic disperse 5 minutes under 1000W, being configured to carbon nanotube mass mark is 0.05%
Carbon nanomaterial dispersion liquid；
(2) by the glass fibre of 30 μ m diameter, 0.1～2 the microglass fiber of μ m diameter be 1:4 in mass ratio
Ratio mixing after, the acid for adjusting pH value that adds water to 3, with rotating speed be 2000 turns/min discongest dispersion 10min；
It is subsequently adding the polyoxyethylene that concentration is 1g/L being configured to that added water by the polyethylene glycol oxide that molecular weight is 8,000,000
Aqueous solution, is configured to the glass fibre that mass fraction summation is 0.05% of glass fibre and microglass fiber
Material dispersion liquid, wherein, the addition of polyoxyethylene aqueous solution presses the polyoxy in polyoxyethylene aqueous solution
Change ethene quality is glass fibre and microglass fiber quality summation 0.005% proportioning；
(3) then scattered carbon nanomaterial dispersion liquid and glass fiber material dispersion liquid are pressed 1:1000 ratio
Example mixes, and is configured to raw slurry, delivers to raw slurry be molded on former, and suction is molded to obtain l Water Paper,
Then polyurethane binder (resin added is glass fibre and the 10% of microglass fiber gross mass) is imposed, dry
The glass fibre air filter paper containing carbon nanomaterial is i.e. obtained after dry.
The present embodiment gained glass fibre air filter paper thickness containing carbon nanomaterial is 320 μm, is divided into two
Layer, CNT be evenly distributed on the glass fibre air filter paper containing carbon nanomaterial wherein one layer and
The surface of this layer, other one layer and this layer of surface do not contain CNT；The present embodiment gained carbon containing nanometer
Particle diameter in air more than the clearance of 0.1 μm particles is by the glass fibre air filter paper of material
More than 99.98%, air drag is 310Pa；The present embodiment glass fibre air filter paper containing carbon nanomaterial
Having good anti-microbial property, its antimicrobial efficiency is more than 99.99%.
Embodiment 1～6 gained glass fibre air filter paper containing carbon nanomaterial is carried out dry linting experiment test,
24h, embodiment 1～6 gained glass fibre air mistake containing carbon nanomaterial is purged under the wind speed of 10cm/s
Filter paper is all deviate from without any particle.
Comparative example 1
A kind of preparation method of the glass fibre air filter paper containing carbon nanomaterial, its step and raw materials used
Etc. substantially the same manner as Example 1, difference is, is the carbon by a diameter of 50～80nm in described step (1)
Nanotube adds to the alcohol ether glucoside aqueous solution that concentration is 0.5g/L, and ultrasonic disperse 5 points under 1000W
Clock, is configured to the carbon nanomaterial dispersion liquid that carbon nanotube mass mark is 0.2%.
This comparative example gained glass fibre air filter paper thickness containing carbon nanomaterial is 340 μm, does not divide
Layer, CNT content in the glass fibre air filter paper containing carbon nanomaterial is less, and (Paper White Degree is
70%)；Its clearance that particle diameter in air is more than 0.1 μm particles is 99%, and air drag is 380Pa；
There is no obvious anti-microbial property.
Comparative example 2
A kind of preparation method of the glass fibre air filter paper containing carbon nanomaterial, its step and raw materials used
Etc. substantially the same manner as Example 1, difference is, is the carbon by a diameter of 50～80nm in described step (1)
Nanotube adds to the APG aqueous solution that concentration is 0.5g/L, and ultrasonic disperse 5 points under 1000W
Clock, is configured to the carbon nanomaterial dispersion liquid that carbon nanotube mass mark is 1%.
In step (2) by the glass fibre of 6.5 μ m diameter, 0.1～2 the microglass fiber of μ m diameter by matter
After amount mixes than the ratio for 1:4, the acid for adjusting pH value that adds water, to 3, is that 2000 turns/min discongests with rotating speed
Dispersion 10min；Being subsequently adding by the polyethylene glycol oxide that molecular weight is 8,000,000 concentration being configured to that adds water is 1g/L
Polyoxyethylene aqueous solution, the mass fraction summation being configured to glass fibre and microglass fiber is 0.05%
Glass fiber material dispersion liquid, wherein, it is water-soluble that the addition of polyoxyethylene aqueous solution presses polyethylene glycol oxide
The quality of the polyethylene glycol oxide in liquid accounts for the proportioning of the 0.1% of glass fibre and microglass fiber quality summation；
This comparative example gained glass fibre air filter paper thickness containing carbon nanomaterial is 320 μm, is divided into two
Layer, CNT is more evenly distributed in wherein of the glass fibre air filter paper containing carbon nanomaterial
Layer and the surface of this layer, but the arrangement of CNT is fine and close, and other one layer and this layer of surface do not contain carbon
Nanotube；The clearance that particle diameter in air is more than 0.1 μm particles is 99%, and air drag is 450Pa；
The anti-microbial property of the present embodiment glass fibre air filter paper containing carbon nanomaterial is the most fairly obvious, and it resists
Bacterium efficiency is 90%.
Comparative example 3
A kind of preparation method containing carbon nanomaterial glass fibre air filter paper, comprises the following steps:
(1) by a diameter of 50～100nm CNT add to concentration be the dodecyl sulphate of 10g/L
In sodium water solution, and ultrasonic disperse 5 minutes under 1000W, being configured to carbon nanotube mass mark is 0.7%
Carbon nanomaterial dispersion liquid；
(2) by the glass fibre of 35 μ m diameter, 2.2～5 the microglass fiber of μ m diameter be 1 in mass ratio:
After the ratio mixing of 6, the acid for adjusting pH value that adds water, to 3, is that 2000 turns/min discongests dispersion 10min with rotating speed；
It is subsequently adding the polyoxyethylene that concentration is 3g/L being configured to that added water by the polyethylene glycol oxide that molecular weight is 6,000,000
Aqueous solution, is configured to the glass fibre that mass fraction summation is 0.05% of glass fibre and microglass fiber
Material dispersion liquid, the polyoxygenated during wherein the addition of polyoxyethylene aqueous solution presses polyoxyethylene aqueous solution
The quality of ethene accounts for the proportioning of the 0.01% of glass fibre and microglass fiber quality summation；
(3) then scattered carbon nanomaterial dispersion liquid and glass fiber material dispersion liquid are pressed 1:5000 ratio
Example mixes, and is configured to raw slurry, delivers to raw slurry be molded on former, and suction is molded to obtain l Water Paper,
Then polyurethane binder (resin added is glass fibre and the 10% of microglass fiber gross mass) is imposed, dry
I.e. obtain after dry containing carbon nanomaterial glass fibre air filter paper.
This comparative example gained glass fibre air filter paper thickness containing carbon nanomaterial is 380 μm, is divided into two
Layer, CNT is more evenly distributed in wherein of the glass fibre air filter paper containing carbon nanomaterial
Layer and the surface of this layer, but the content of CNT less (Paper White Degree is 60%), other one layer and
This layer of surface does not contains CNT；The clearance that particle diameter in air is more than 0.1 μm particles is 95%,
Air drag is 280Pa；The anti-microbial property of the present embodiment glass fibre air filter paper containing carbon nanomaterial is also
The most fairly obvious, its antimicrobial efficiency is 90%.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the most right
The all possible combination of each technical characteristic in above-described embodiment is all described, but, if these skills
There is not contradiction in the combination of art feature, is all considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to invention profit scope.It should be pointed out that, general for this area
For logical technical staff, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement,
These broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be wanted with appended right
Ask and be as the criterion.
Claims (10)
1. the preparation method of the glass fibre air filter paper containing carbon nanomaterial, it is characterised in that bag
Include following steps:
(1) carbon nanomaterial addition is carried out to the anionic dispersing agents aqueous solution that concentration is 0.1～10g/L
Ultrasonic disperse, is configured to the carbon nanomaterial dispersion liquid that mass fraction is 0.05～0.5% of carbon nanomaterial；
(2) being added to the water by glass fiber material, adding acid for adjusting pH value is to discongest dispersion after 2.5～3.5,
It is subsequently adding the stabilizer aqueous solution, is configured to the glass that mass fraction is 0.01～0.05% of glass fiber material
Fibrous material dispersion liquid, in the described stabilizer aqueous solution, the quality of stabilizer is described glass fiber material quality
0.001～0.01%；
Described glass fiber material is glass fibre and/or microglass fiber；
(3) described carbon nanomaterial dispersion liquid and glass fiber material dispersion liquid are mixed, deliver to shaping
L Water Paper must be molded after suction on device, then applying glue, be dried, to obtain final product.
The preparation method of the glass fibre air filter paper containing carbon nanomaterial the most according to claim 1,
It is characterized in that, described anionic dispersing agents is lauryl sodium sulfate, neopelex, secondary alkane
One in base sodium sulfonate and ammonium lauryl sulfate.
The preparation method of the glass fibre air filter paper containing carbon nanomaterial the most according to claim 1,
It is characterized in that, described stabilizer be molecular weight be 50～8,000,000 polyethylene glycol oxide, molecular weight be 10～
One in the polyacrylamide of 10000000 and sodium carboxymethylcellulose.
The preparation method of the glass fibre air filter paper containing carbon nanomaterial the most according to claim 1,
It is characterized in that, the concentration of the described stabilizer aqueous solution is 0.1～2g/L.
5. according to the glass fibre air filter paper containing carbon nanomaterial described in any one of Claims 1 to 4
Preparation method, it is characterised in that described glass fiber material is mixed by glass fibre and microglass fiber.
The preparation method of the glass fibre air filter paper containing carbon nanomaterial the most according to claim 5,
It is characterized in that, a diameter of 5～30 μm of described glass fibre, described microglass fiber a diameter of
0.05～2 μm.
The preparation method of the glass fibre air filter paper containing carbon nanomaterial the most according to claim 6,
It is characterized in that, the mass ratio of described glass fibre and microglass fiber is 1:1～4.
8. according to the glass fibre air filter paper containing carbon nanomaterial described in any one of Claims 1 to 4
Preparation method, it is characterised in that described carbon nanomaterial be a diameter of 1～the carbon nano-fiber of 100nm and/
Or CNT.
9. according to the glass fibre air filter paper containing carbon nanomaterial described in any one of Claims 1 to 4
Preparation method, it is characterised in that the mass ratio of described carbon nanomaterial dispersion liquid and glass fibre dispersion liquid is 1:
500～5000.
10. the glass containing carbon nanomaterial of the preparation method gained described in an any one of claim 1～9
Fiber air filter paper.
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| CN108867153A (en) * | 2018-06-05 | 2018-11-23 | 吕梁学院 | A kind of air filter paper and preparation method thereof containing carbon nanomaterial |
| CN109024024A (en) * | 2018-08-24 | 2018-12-18 | 河南省安克林滤业有限公司 | A kind of preparation method of nanofiber/glass fiber composite filter material |
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| CN105862516B (en) | 2018-04-03 |
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