CN105887573B - A kind of thermosetting machine air filter paper and preparation method thereof - Google Patents
A kind of thermosetting machine air filter paper and preparation method thereof Download PDFInfo
- Publication number
- CN105887573B CN105887573B CN201610225043.9A CN201610225043A CN105887573B CN 105887573 B CN105887573 B CN 105887573B CN 201610225043 A CN201610225043 A CN 201610225043A CN 105887573 B CN105887573 B CN 105887573B
- Authority
- CN
- China
- Prior art keywords
- filter layer
- parts
- slurry
- paper
- machine air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
- C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
- C01G23/08—Drying; Calcining ; After treatment of titanium oxide
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/06—Alcohols; Phenols; Ethers; Aldehydes; Ketones; Acetals; Ketals
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/25—Cellulose
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/69—Water-insoluble compounds, e.g. fillers, pigments modified, e.g. by association with other compositions prior to incorporation in the pulp or 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
- D21H17/74—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic and inorganic material
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/84—Paper comprising more than one coating on both sides of the substrate
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
- Filtering Materials (AREA)
Abstract
The present invention relates to filter paper technical field, a kind of thermosetting machine air filter paper and preparation method thereof is disclosed.The thermosetting machine air filter paper includes upper filter layer, lower filter layer and located at the upper filter layer upper surface, the resin bed of lower filter layer lower surface；The raw material of the upper filter layer includes the material of following mass parts：20 40 parts of mercerization fiber, 10 20 parts of sisal fiber, 10 20 parts of akund, 0.5 1.5 parts of ethylene glycol diglycidylether, 0.2 0.4 parts of dispersant and the desired amount of water；The raw material of the lower filter layer includes the material of following mass parts：50 70 parts of broad-leaved wood fiber, 13 parts of titania aerogel particle, 13 parts of beta cyclodextrin, 0.5 1.5 parts of carboxymethylcellulose calcium, 0.5 1.5 parts of ethylene glycol diglycidylether and the desired amount of water.Thermosetting machine air filter paper of the invention reduces the consumption and thickness of resin bed on the basis of the water resistance of paper, oil resistivity and bursting strength is ensured, improves the medium fluid of paper by property and filter efficiency.
Description
Technical field
The present invention relates to filter paper preparing technical field, more particularly to a kind of thermosetting machine air filter paper and preparation method thereof.
Background technology
Machine air filter paper is the key building block in base friend's cleaner and air filter, decides two kinds of property of filter
Energy.Machine air filter paper generally includes a kind of filter layer of the papery for wanting composition to be made based on common wood pulp, because common wood pulp is fine
Tie up the machine air filter paper generally existing high therefore made compared with thin, tightness that tightness is high, filter efficiency is low, short life the shortcomings of, and
And need to adapt to two kinds of environment of air and high temperature oil simultaneously as machine air filter paper, the index request to its performance is higher, at this stage
Machine air filter paper also generally existing curability, water resistance, oil resistivity it is poor, non-refractory shortcoming not environmentally.
The Chinese patent of the Application No. 201220521588.1 of the applicant's earlier application is disclosed and a kind of thermosetting
Machine air filter paper, including filter layer made of paper, the surface also even spread of filter layer one layer of resin bed, and resin bed is thermosetting phenol
Urea formaldehyde layer.
The Chinese patent of the Application No. CN201220523227.0 of the applicant's earlier application discloses a kind of air filter
The thermosetting air paper applied in clear device；The thermosetting air paper includes filter layer made of paper, and the surface of filter layer is also equal
Even to be coated with one layer of resin bed, resin bed is thermosetting phenolic resin layer.
The Chinese patent of the Application No. 201410104527.9 of the applicant's earlier application discloses one kind of knowing clearly and is suitable to greatly
The air paper used under dust storm and haze environment, including top fiber layer and lowermost fibre layer, the top fiber layer upside
Resin bed is scribbled, the lowermost fibre layer downside scribbles resin bed, and the top fiber layer is 65-85 grams/cm of silk
Photochemical wood-fibred is constituted, and the lowermost fibre layer is constituted for 40-60 grams/cm of broad-leaved wood fiber.
Above-mentioned filter paper is designed with resin bed by the upper and lower surface of filter layer, and machine air filter is improve to a certain extent
The curability of paper, water resistance and oil resistivity, when air humidity is raised, the hygroscopic deformation of paper is small, and long service life.
But there is also defect：Due to being provided with resin bed on the two sides of filter paper, and the coated weight of resin bed is larger, causes thickness thicker,
The medium fluid for having had a strong impact on filter paper passes through property and filter efficiency.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of thermosetting machine air filter paper and preparation method thereof.This hair
Bright thermosetting machine air filter paper reduces resin bed on the basis of the water resistance of paper, oil resistivity and bursting strength is ensured
Consumption, the medium fluid that improve paper passes through property and filter efficiency.
Concrete technical scheme of the invention is：A kind of thermosetting machine air filter paper, including upper filter layer, lower filter layer and be located at
The upper filter layer upper surface and the resin bed of lower filter layer lower surface.
The raw material of the upper filter layer includes the material of following mass parts：20-40 parts of mercerization fiber, sisal fiber 10-
20 parts, akund 10-20 parts, ethylene glycol diglycidylether 0.5-1.5 parts, dispersant 0.2-0.4 parts and the desired amount of
Water；The raw material of the lower filter layer includes the material of following mass parts：Broad-leaved wood fiber 50-70 parts, titania aerogel grain
It is sub- 1-3 parts, beta-schardinger dextrin 1-3 parts, carboxymethylcellulose calcium 0.5-1.5 parts, ethylene glycol diglycidylether 0.5-1.5 parts and required
The water of amount.
The filter layer of thermosetting machine air filter paper of the invention is divided into upper and lower two-layer, and flows into layer as medium fluid upper
Upper filter layer upper surface and as medium fluid outflow layer under filter layer lower surface be respectively equipped with resin bed.
Wherein, in upper filter layer, using mercerization fiber, sisal fiber and akund as primary raw material, mercerising
Change fiber surface is smooth, and washing shrinkage is low, good stability of the dimension, and surface-active is high, and chemical reaction ability is strong, easily fine with other
Dimension is crosslinked again, and high adsorption capacity, increases dust containing capacity；Sisal fiber quality is harder, and length-width ratio is big, and elastic modelling quantity is big,
Rub resistance, humidity, intensity is high, with outstanding air permeability and adsorption capacity, it is possible to increase dust containing capacity, and fiber interweaving ability
By force；Akund high mechanical strength, water resistance and heat endurance are good.Above-mentioned three kinds of fibers by mashing, defibrination and
Manufacture paper with pulp after shaping, fibre length is controlled in certain length so that the aperture of the fibrage after crosslinking is larger mutually, porosity
Greatly, therefore with preferable dust absorbing ability, dust containing capacity is improved.Additionally, the strand two ends of ethylene glycol diglycidylether
Active group, its two ends can carry out " bonding " with by fiber respectively, bridge beam action be served, so as to further increase
Cross-link intensity between fiber, improves bursting strength, water resistance and the oil resistivity of fibrage.
Lower filter layer uses broad-leaved wood fiber as fibrage primary raw material, and is combined with titania aerogel grain
Son, beta-schardinger dextrin, carboxymethylcellulose calcium and ethylene glycol diglycidylether.Wherein, broad-leaved wood fiber is wider, after mashing, defibrination
Control its fibre length so that the fibrage aperture after shaping is smaller, can be miscellaneous through the fine particle of upper filter layer to some
Matter is filtered.Itself specific surface area of titania aerogel particle is big, with intensive tiny hole, it is possible to increase filtering essence
While spending, the medium fluid of fibrage is not influenceed to pass through property, and the addition of titania aerogel particle can improve fibre
Tie up the mechanical strength of layer；And also there is cavity inside beta-schardinger dextrin, it may have preferable absorption property；Especially in machine oil
Some heavy metal components for containing, titania aerogel particle has outstanding adsorption effect, and beta-schardinger dextrin can be to it
It is complexed, is improved filtering accuracy；Carboxymethylcellulose calcium serves not only as dispersant herein, and can also be with beta-schardinger dextrin, second two
Alcohol diglycidyl ether together, improves the cross-link intensity of fibrage, lifting bursting strength, oil resistivity and water resistance.
Filter paper of the invention operationally, is flowed into by filtering fluid media (medium) from thick and porosity gap upper filter layer, from fine and closely woven
The lower filter layer outflow of hole, impurity is mainly intercepted in the macrovoid of filter layer, because upper filter layer interstitial space is big,
With huge dust capaciting ability, so as to greatly prolong filtration members service life, and filtration resistance is low, and lower filter layer is tight and thin
Fine pore further intercepts to less and minute impurities particulate in upper filter layer filtered fluid medium.Filtering essence has been effectively ensured
Degree, has given full play to the combination property of each fibrage.
It is of the invention to be also differ in that with traditional filter paper：Traditional filter paper is in order to improve the water resistance of filter paper and resistance to
Broken degree, resin bed is equipped with the two sides of filter paper, although two-sided resin bed can greatly improve the water resistance of filter paper, oil resistivity and
Bursting strength, increases the service life, but the adhesion amount of existing resin bed is larger, and the medium fluid that it has had a strong impact on filter paper is led to
The property crossed, not only reduces medium fluid by efficiency, and causes that filter paper easily puts aside heat, right so as to cause temperature to raise
The heat endurance of filter paper has requirement higher.And although resin bed of the invention is also two-sided attachment, but consumption is few, can
Paper sheet thickness is effectively reduced, medium fluid is improve by property.And upper and lower filter layer itself has preferable bursting strength, resistance to
Aqueous and oil resistivity, can effectively make up the defect brought by the reduction of resin bed consumption.
Further, since when passing through large quantity of air in machine air filter paper, after the impurity such as dust are by a large amount of absorption, when air passes through
Can rub, produce noise, and upper and lower filter layer of the invention each possesses the hole of different pore size, air permeability is high, and
Due to the presence of TiO 2 particles and beta-schardinger dextrin, with a large amount of tiny holes, upper and lower filter layer mutually matches lower filter layer
Under conjunction, Noise Reduction can be played.
Preferably, the raw material of the upper filter layer includes the material of following mass parts：30 parts of mercerization fiber, sisal hemp is fine
15 parts of dimension, 15 parts of akund, 1 part of ethylene glycol diglycidylether, 0.3 part of dispersant and the desired amount of water；It is described descended
The raw material of filtering layer includes the material of following mass parts：60 parts of broad-leaved wood fiber, 2 parts of titania aerogel particle, beta-schardinger dextrin 2
Part, 1 part of carboxymethylcellulose calcium, 1 part of ethylene glycol diglycidylether and the desired amount of water.
Preferably, the thickness of the heat fixation machine air filter paper is 0.30-0.38mm, the thickness of the upper filter layer is
0.10-0.16mm, the thickness of the lower filter layer is 0.16-0.20mm.
Preferably, the quantification of 115-125g/m of the heat fixation filter paper2, resin bed accounts for the thermosetting machine total matter of air filter paper
The 16-18% of amount.
Preferably, the resin bed is novolac resin layer.
Preferably, the dispersant is sodium pyrophosphate or calgon.
A kind of preparation method of thermosetting machine air filter paper, is carried out according to the following steps：
A. the preparation of filter layer uncoated paper is gone up：To being beaten after mercerization fiber, sisal fiber, akund mixing,
Slurry concentration is 1.9-2.5wt%, is beaten after being 12-14 ° of SR to slurry beating degree, then carries out defibrination, until beating degree is 16-
20 ° of SR, are obtained slurry a；Ethylene glycol diglycidylether is added in the slurry a, slurry b is obtained after stirring；Will
Dispersant is added in the slurry b, and the regulation slurry concentration that added water after being uniformly dispersed is obtained slurry c to 1.5-1.9wt%；It is right
Slurry c carries out online and manufactures paper with pulp after shaping, and upper filter layer uncoated paper is obtained.
B. the preparation of filter layer uncoated paper is descended：Broad-leaved wood fiber is beaten, slurry concentration is 2.5-3.0%, mashing is extremely
After slurry beating degree is 16-18 ° of SR, then defibrination is carried out, until beating degree is 26-30 ° of SR, slurry A is obtained；Ethylene glycol two is contracted
Water glycerin ether is added in the slurry A, and slurry B is obtained after stirring；By titania aerogel particle, beta-schardinger dextrin and
Carboxymethylcellulose calcium is added in the slurry B, and the regulation slurry concentration that added water after being uniformly dispersed is obtained slurry to 1.3-1.7wt%
Material C, online is carried out to slurry C and is manufactured paper with pulp after shaping, and lower filter layer uncoated paper is obtained.
C. the laminating of upper and lower filter layer：The upper filter layer uncoated paper and lower filter layer uncoated paper are fitted, is then passed through
The upper filter layer and lower filter layer fitted is obtained after vacuumizing squeezing, drying.
D. resin bed solidification：Resin liquid is coated with or is sprayed onto the upper surface of upper filter layer and the following table of lower filter layer
Face, after solidifying to form resin bed, that is, is obtained thermosetting machine air filter paper.
Preferably, by after mashing, defibrination, the mercerization fiber, sisal fiber, the length of akund are
2.4-2.6mm, the length of the broad-leaved wood fiber is 2.0-2.2mm.
Preferably, the preparation method of the titania aerogel particle is as follows：By butyl titanate, absolute ethyl alcohol, first
Benzene in mass ratio 1:15-25:0.02-0.04 is mixed, obtained solution a；By absolute ethyl alcohol, the glacial acetic acid and water of 1-2mol/L
10-20 in mass ratio:3-5:1 is mixed, obtained solution b；Supersonic oscillations treatment is carried out at 55-65 DEG C to solution a, will
Solution b is added drop-wise in the 2-3 times of solution a of quality with the speed of 1-2mL/s；It is simultaneously solution a's to quality is added in solution a
0.02-0.04 times of sodium bicarbonate powder, after continuing to stir 2-3h, is obtained colloidal sol；The colloidal sol is stood into aging 24-48h, so
Solvent is carried out to colloidal sol using excessive n-hexane afterwards and replaces 24-48h, then remove n-hexane, obtain gel, finally do gel
The titania aerogel particle of prepared micron-scale after dry.Titania aerogel particle prepared by the above method has superelevation
Specific surface area and porosity, absorption can be strong.
Preferably, after the gel is obtained, gel is before it is dried by modification：Using trim,ethylchlorosilane with
The mixed liquor of n-hexane modified 16-36h at 55-65 DEG C to gel；The wherein quality of trim,ethylchlorosilane, n-hexane and gel
Than being 30-50:50：8-12.After being modified to gel, with preferable hydrophobic ability, titania aerogel particle is prevented
A large amount of adsorption moistures.Therefore modified filter capacity the present that can improve filter paper and water resistance.
It is compared with the prior art, the beneficial effects of the invention are as follows：Thermosetting machine air filter paper of the invention is ensureing paper
On the basis of water resistance, oil resistivity and bursting strength, the consumption and thickness of resin bed are reduced, improve the medium fluid of paper
By property and filter efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of thermosetting machine air filter paper of the invention.
Reference is：Upper filter layer 1, lower filter layer, resin bed 3.
Specific embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1
As shown in figure 1, a kind of thermosetting machine air filter paper, including upper filter layer 1, lower filter layer 2 and it is attached to the upper mistake
Filtering layer upper surface and the novolac resin layer 3 of lower filter layer lower surface.
Wherein, the thickness of the upper filter layer is 0.13-0.14mm, and the thickness of the lower filter layer is 0.18-0.19mm.
A kind of preparation method of thermosetting machine air filter paper, is carried out according to the following steps：
A. the preparation of filter layer uncoated paper is gone up：To 30 parts of mercerization fibers, 15 parts of sisal fibers, 15 parts of akund mixing
After be beaten, slurry concentration is 2.2wt%, after mashing to slurry beating degree is 13 ° of SR, then defibrination is carried out, until beating degree
It is 18 ° of SR, slurry a is obtained；1 part of ethylene glycol diglycidylether is added in the slurry a, slurry is obtained after stirring
b；0.3 part of sodium pyrophosphate is added in the slurry b, the regulation slurry concentration that added water after being uniformly dispersed is obtained slurry to 1.7wt%
Material c；Mercerization fiber described in slurry c, sisal fiber, the length of akund are 2.4-2.6mm.
Online is carried out to slurry c to manufacture paper with pulp after shaping, and upper filter layer uncoated paper is obtained.
B. the preparation of filter layer uncoated paper is descended：60 parts of broad-leaved wood fibers are beaten, slurry concentration is 2.75%, mashing is extremely
After slurry beating degree is 17 ° of SR, then defibrination is carried out, until beating degree is 28 ° of SR, slurry A is obtained；1 part of ethylene glycol two is shunk
Glycerin ether is added in the slurry A, and slurry B is obtained after stirring；By 2 parts of titania aerogel particles, 2 parts of β-ring pastes
Essence and 1 part of carboxymethylcellulose calcium are added in the slurry B, and the regulation slurry concentration that added water after being uniformly dispersed is obtained to 1.5wt%
Slurry c, the length of broad-leaved wood fiber described in slurry C is 2.0-2.2mm.Slurry C is carried out online manufacture paper with pulp shaping after, be obtained under
Filter layer uncoated paper.
Wherein, the preparation method of the titania aerogel particle is as follows：Butyl titanate, absolute ethyl alcohol, toluene are pressed
Mass ratio 1:20:0.03 is mixed, obtained solution a；By absolute ethyl alcohol, the glacial acetic acid of 1.5mol/L and water in mass ratio 15:
4:1 is mixed, obtained solution b；Supersonic oscillations treatment is carried out at 60 DEG C to solution a, by solution b with the speed of 1.5mL/s
Rate is added drop-wise in 2.5 times of solution a of quality；Simultaneously to the sodium hydrogen carbonate powder that 0.03 times that quality is solution a is added in solution a
End, after continuing to stir 2.5h, is obtained colloidal sol；The colloidal sol is stood into aging 36h, colloidal sol is entered using excessive n-hexane then
Row solvent replaces 36h, then removes n-hexane, obtains gel.Mixed liquor using trim,ethylchlorosilane and n-hexane exists to gel
Be modified 24h at 60 DEG C；Wherein the mass ratio of trim,ethylchlorosilane, n-hexane and gel is 40:50:10.Finally will be modified
The titania aerogel particle of micron-scale is obtained after gel drying, crushing.
C. the laminating of upper and lower filter layer：The upper filter layer uncoated paper and lower filter layer uncoated paper are fitted, is then passed through
The upper filter layer and lower filter layer fitted is obtained after vacuumizing squeezing, drying.
D. resin bed solidification：Resin liquid is sprayed onto the upper surface of upper filter layer and the lower surface of lower filter layer, is solidified
After forming resin bed, that is, thermosetting machine air filter paper is obtained.
Embodiment 2
A kind of thermosetting machine air filter paper, including upper filter layer, lower filter layer and be attached to the upper filter layer upper surface with
And the novolac resin layer of lower filter layer lower surface.
Wherein, the thickness of the upper filter layer is 0.10-0.11mm, and the thickness of the lower filter layer is 0.18-0.19mm.
A kind of preparation method of thermosetting machine air filter paper, is carried out according to the following steps：
A. the preparation of filter layer uncoated paper is gone up：To 20 parts of mercerization fibers, 10 parts of sisal fibers, 10 parts of akund mixing
After be beaten, slurry concentration is 1.9wt%, after mashing to slurry beating degree is 12 ° of SR, then defibrination is carried out, until beating degree
It is 16 ° of SR, slurry a is obtained；0.5 part of ethylene glycol diglycidylether is added in the slurry a, slurry is obtained after stirring
Material b；0.2 part of calgon is added in the slurry b, add water regulation slurry concentration to 1.5wt% after being uniformly dispersed, system
Obtain slurry c；Mercerization fiber described in slurry c, sisal fiber, the length of akund are 2.4-2.6mm.
Online is carried out to slurry c to manufacture paper with pulp after shaping, and upper filter layer uncoated paper is obtained.
B. the preparation of filter layer uncoated paper is descended：50 parts of broad-leaved wood fibers are beaten, slurry concentration is 2.5%, mashing is extremely
After slurry beating degree is 16 ° of SR, then defibrination is carried out, until beating degree is 26 ° of SR, slurry A is obtained；0.5 part of ethylene glycol two is contracted
Water glycerin ether is added in the slurry A, and slurry B is obtained after stirring；By 1 part of titania aerogel particle, 1- parts of β-
Cyclodextrin and 0.5 part of carboxymethylcellulose calcium are added in the slurry B, added water after being uniformly dispersed regulation slurry concentration to
1.3wt%, is obtained slurry C, and the length of broad-leaved wood fiber described in slurry C is 2.0-2.2mm.Online is carried out to slurry C to manufacture paper with pulp
After shaping, lower filter layer uncoated paper is obtained.
Wherein, the preparation method of the titania aerogel particle is as follows：Butyl titanate, absolute ethyl alcohol, toluene are pressed
Mass ratio 1:15:0.02 is mixed, obtained solution a；By absolute ethyl alcohol, the glacial acetic acid of 1mol/L and water in mass ratio 10:3:1
Mixed, obtained solution b；Supersonic oscillations treatment is carried out at 55 DEG C to solution a, solution b is added dropwise with the speed of 1mL/s
To in 2 times of solution a of quality；It is simultaneously 0.02 times of solution a of sodium bicarbonate powder to quality is added in solution a, continues to stir
After mixing 2h, colloidal sol is obtained；The colloidal sol is stood into aging 24h, solvent displacement then is carried out to colloidal sol using excessive n-hexane
24h, then n-hexane is removed, obtain gel.Gel is modified at 55 DEG C using the mixed liquor of trim,ethylchlorosilane and n-hexane
36h；Wherein the mass ratio of trim,ethylchlorosilane, n-hexane and gel is 30:50:8.Finally by modified gel drying, powder
The titania aerogel particle of prepared micron-scale after broken.
C. the laminating of upper and lower filter layer：The upper filter layer uncoated paper and lower filter layer uncoated paper are fitted, is then passed through
The upper filter layer and lower filter layer fitted is obtained after vacuumizing squeezing, drying.
D. resin bed solidification：Resin liquid is sprayed onto the upper surface of upper filter layer and the lower surface of lower filter layer, is solidified
After forming resin bed, that is, thermosetting machine air filter paper is obtained.
Embodiment 3
A kind of thermosetting machine air filter paper, including upper filter layer, lower filter layer and be attached to the upper filter layer upper surface with
And the novolac resin layer of lower filter layer lower surface.
Wherein, the thickness of the upper filter layer is 0.15-0.16mm, and the thickness of the lower filter layer is 0.19-0.20mm.
A kind of preparation method of thermosetting machine air filter paper, is carried out according to the following steps：
A. the preparation of filter layer uncoated paper is gone up：To 40 parts of mercerization fibers, 20 parts of sisal fibers, 20 parts of akund mixing
After be beaten, slurry concentration is 2.5wt%, after mashing to slurry beating degree is 14 ° of SR, then defibrination is carried out, until beating degree
It is 20 ° of SR, slurry a is obtained；1.5 parts of ethylene glycol diglycidylethers are added in the slurry a, slurry is obtained after stirring
Material b；0.4 part of calgon is added in the slurry b, add water regulation slurry concentration to 1.9wt% after being uniformly dispersed, system
Obtain slurry c；Mercerization fiber described in slurry c, sisal fiber, the length of akund are 2.4-2.6mm.
Online is carried out to slurry c to manufacture paper with pulp after shaping, and upper filter layer uncoated paper is obtained.
B. the preparation of filter layer uncoated paper is descended：70 parts of broad-leaved wood fibers are beaten, slurry concentration is 3.0%, mashing is extremely
After slurry beating degree is 18 ° of SR, then defibrination is carried out, until beating degree is 30 ° of SR, slurry A is obtained；1.5 parts of ethylene glycol two are contracted
Water glycerin ether is added in the slurry A, and slurry B is obtained after stirring；By 3 parts of titania aerogel particles, 3 parts of β-rings
Dextrin and 1.5 parts of carboxymethylcellulose calciums are added in the slurry B, are added water after being uniformly dispersed and are adjusted slurry concentration to 1.7wt%,
Slurry C is obtained, the length of broad-leaved wood fiber described in slurry C is 2.0-2.2mm.Slurry C is carried out online manufacture paper with pulp shaping after, system
Filter layer uncoated paper must be descended.
Wherein, the preparation method of the titania aerogel particle is as follows：Butyl titanate, absolute ethyl alcohol, toluene are pressed
Mass ratio 1:25:0.04 is mixed, obtained solution a；By absolute ethyl alcohol, the glacial acetic acid of 2mol/L and water in mass ratio 20:5:1
Mixed, obtained solution b；Supersonic oscillations treatment is carried out at 65 DEG C to solution a, solution b is added dropwise with the speed of 2mL/s
To in 3 times of solution a of quality；It is simultaneously 0.04 times of solution a of sodium bicarbonate powder to quality is added in solution a, continues to stir
After mixing 3h, colloidal sol is obtained；The colloidal sol is stood into aging 48h, solvent displacement then is carried out to colloidal sol using excessive n-hexane
48h, then n-hexane is removed, obtain gel.Gel is modified at 65 DEG C using the mixed liquor of trim,ethylchlorosilane and n-hexane
16h；Wherein the mass ratio of trim,ethylchlorosilane, n-hexane and gel is 50:50:12.Finally by modified gel drying, powder
The titania aerogel particle of prepared micron-scale after broken.
C. the laminating of upper and lower filter layer：The upper filter layer uncoated paper and lower filter layer uncoated paper are fitted, is then passed through
The upper filter layer and lower filter layer fitted is obtained after vacuumizing squeezing, drying.
D. resin bed solidification：Resin liquid is applied to the upper surface of upper filter layer and the lower surface of lower filter layer, is solidified
After forming resin bed, that is, thermosetting machine air filter paper is obtained.
Embodiment 4
A kind of thermosetting machine air filter paper, including upper filter layer, lower filter layer and be attached to the upper filter layer upper surface with
And the novolac resin layer of lower filter layer lower surface.
Wherein, the thickness of the upper filter layer is 0.13-0.14mm, and the thickness of the lower filter layer is 0.19-0.20mm.
A kind of preparation method of thermosetting machine air filter paper, is carried out according to the following steps：
A. the preparation of filter layer uncoated paper is gone up：To 25 parts of mercerization fibers, 16 parts of sisal fibers, 16 parts of akund mixing
After be beaten, slurry concentration is 2.3wt%, after mashing to slurry beating degree is 13 ° of SR, then defibrination is carried out, until beating degree
It is 19 ° of SR, slurry a is obtained；1.25 parts of ethylene glycol diglycidylethers are added in the slurry a, are obtained after stirring
Slurry b；0.35 part of calgon is added in the slurry b, added water after being uniformly dispersed regulation slurry concentration to
1.8wt%, is obtained slurry c；Mercerization fiber described in slurry c, sisal fiber, the length of akund are 2.4-2.6mm.
Online is carried out to slurry c to manufacture paper with pulp after shaping, and upper filter layer uncoated paper is obtained.
B. the preparation of filter layer uncoated paper is descended：50-70 parts of broad-leaved wood fiber is beaten, slurry concentration is 2.5-3.0%,
It is beaten after being 16-18 ° of SR to slurry beating degree, then carries out defibrination, until beating degree is 26-30 ° of SR, slurry A is obtained；By 0.5-
1.5 parts of ethylene glycol diglycidylethers are added in the slurry A, and slurry B is obtained after stirring；By 1-3 parts of titanium dioxide
Aerogel particles, 1-3 part beta-schardinger dextrin and 0.5-1.5 parts of carboxymethylcellulose calcium are added in the slurry B, are added after being uniformly dispersed
Water adjusts slurry concentration to 1.3-1.7wt%, and slurry C is obtained, and the length of broad-leaved wood fiber described in slurry C is 2.0-2.2mm.
Online is carried out to slurry C to manufacture paper with pulp after shaping, and lower filter layer uncoated paper is obtained.
Wherein, the preparation method of the titania aerogel particle is as follows：Butyl titanate, absolute ethyl alcohol, toluene are pressed
Mass ratio 1:22:0.035 is mixed, obtained solution a；By absolute ethyl alcohol, the glacial acetic acid of 1.6mol/L and water in mass ratio 16:
4:1 is mixed, obtained solution b；Supersonic oscillations treatment is carried out at 60 DEG C to solution a, by solution b with the speed of 1.6mL/s
Rate is added drop-wise in 2.5 times of solution a of quality；Simultaneously to the sodium hydrogen carbonate powder that 0.035 times that quality is solution a is added in solution a
End, after continuing to stir 3h, is obtained colloidal sol；The colloidal sol is stood into aging 36h, colloidal sol is carried out using excessive n-hexane then
Solvent replaces 36h, then removes n-hexane, obtains gel.Using the mixed liquor of trim,ethylchlorosilane and n-hexane to gel 60
Be modified 30h at DEG C；Wherein the mass ratio of trim,ethylchlorosilane, n-hexane and gel is 45:50:11.Finally modified is coagulated
The titania aerogel particle of micron-scale is obtained after glue drying, crushing.
C. the laminating of upper and lower filter layer：The upper filter layer uncoated paper and lower filter layer uncoated paper are fitted, is then passed through
The upper filter layer and lower filter layer fitted is obtained after vacuumizing squeezing, drying.
D. resin bed solidification：Resin liquid is sprayed onto the upper surface of upper filter layer and the lower surface of lower filter layer, is solidified
After forming resin bed, that is, thermosetting machine air filter paper is obtained.
Embodiment 5
A kind of thermosetting machine air filter paper, including upper filter layer, lower filter layer and be attached to the upper filter layer upper surface with
And the novolac resin layer of lower filter layer lower surface.
Wherein, the thickness of the upper filter layer is 0.15-0.16mm, and the thickness of the lower filter layer is 0.18-0.19mm.
A kind of preparation method of thermosetting machine air filter paper, is carried out according to the following steps：
A. the preparation of filter layer uncoated paper is gone up：To 36 parts of mercerization fibers, 15 parts of sisal fibers, 17 parts of akund mixing
After be beaten, slurry concentration is 2.2wt%, after mashing to slurry beating degree is 14 ° of SR, then defibrination is carried out, until beating degree
It is 20 ° of SR, slurry a is obtained；1 part of ethylene glycol diglycidylether is added in the slurry a, slurry is obtained after stirring
b；0.3 part of calgon is added in the slurry b, the regulation slurry concentration that added water after being uniformly dispersed is obtained to 1.8wt%
Slurry c；Mercerization fiber described in slurry c, sisal fiber, the length of akund are 2.4-2.6mm.
Online is carried out to slurry c to manufacture paper with pulp after shaping, and upper filter layer uncoated paper is obtained.
B. the preparation of filter layer uncoated paper is descended：67 parts of broad-leaved wood fibers are beaten, slurry concentration is 2.6%, mashing is extremely
After slurry beating degree is 18 ° of SR, then defibrination is carried out, until beating degree is 30 ° of SR, slurry A is obtained；1 part of ethylene glycol two is shunk
Glycerin ether is added in the slurry A, and slurry B is obtained after stirring；By 2 parts of titania aerogel particles, 2 parts of β-ring pastes
Essence and 1 part of carboxymethylcellulose calcium are added in the slurry B, and the regulation slurry concentration that added water after being uniformly dispersed is obtained to 1.6wt%
Slurry C, the length of broad-leaved wood fiber described in slurry C is 2.0-2.2mm.Slurry C is carried out online manufacture paper with pulp shaping after, be obtained under
Filter layer uncoated paper.
Wherein, the preparation method of the titania aerogel particle is as follows：Butyl titanate, absolute ethyl alcohol, toluene are pressed
Mass ratio 1:21:0.03 is mixed, obtained solution a；By absolute ethyl alcohol, the glacial acetic acid of 1.5mol/L and water in mass ratio 15:
4:1 is mixed, obtained solution b；Supersonic oscillations treatment is carried out at 60 DEG C to solution a, by solution b with the speed of 1.5mL/s
Rate is added drop-wise in 2.5 times of solution a of quality；Simultaneously to the sodium hydrogen carbonate powder that 0.03 times that quality is solution a is added in solution a
End, after continuing to stir 2.5h, is obtained colloidal sol；The colloidal sol is stood into aging 36h, colloidal sol is entered using excessive n-hexane then
Row solvent replaces 36h, then removes n-hexane, obtains gel.Mixed liquor using trim,ethylchlorosilane and n-hexane exists to gel
Be modified 24h at 60 DEG C；Wherein the mass ratio of trim,ethylchlorosilane, n-hexane and gel is 40:50:11.Finally will be modified
The titania aerogel particle of micron-scale is obtained after gel drying, crushing.
C. the laminating of upper and lower filter layer：The upper filter layer uncoated paper and lower filter layer uncoated paper are fitted, is then passed through
The upper filter layer and lower filter layer fitted is obtained after vacuumizing squeezing, drying.
D. resin bed solidification：Resin liquid is applied to the upper surface of upper filter layer and the lower surface of lower filter layer, is solidified
After forming resin bed, that is, thermosetting machine air filter paper is obtained.
The technical indicator of thermosetting machine air filter paper is as shown in the table obtained in embodiment 1-5：
(quantitative measure uses GB/T451.2-2002 paper and the quantitative assay method of cardboard；Bursting strength uses GB/
The measure of T454-2002 paper bursting strengths.)
Raw materials used in the present invention, equipment, unless otherwise noted, is the conventional raw material, equipment of this area；In the present invention
Method therefor, unless otherwise noted, is the conventional method of this area.
The above, is only presently preferred embodiments of the present invention, and not the present invention is imposed any restrictions, every according to the present invention
Any simple modification, change and equivalent transformation that technical spirit is made to above example, still fall within the technology of the present invention side
The protection domain of case.
Claims (8)
1. a kind of thermosetting machine air filter paper, it is characterised in that：Including upper filter layer（1）, lower filter layer（2）With located at the upper mistake
Filtering layer upper surface and the resin bed of lower filter layer lower surface（3）；The raw material of the upper filter layer includes the thing of following mass parts
Matter：20-40 parts of mercerization fiber, sisal fiber 10-20 parts, akund 10-20 parts, ethylene glycol diglycidylether 0.5-
1.5 parts, dispersant 0.2-0.4 parts and the desired amount of water；The raw material of the lower filter layer includes the material of following mass parts：Broad-leaved
Wood-fibred 50-70 parts, 1-3 parts of titania aerogel particle, beta-schardinger dextrin 1-3 parts, carboxymethylcellulose calcium 0.5-1.5 parts, second
Hexanediol diglycidyl ether 0.5-1.5 parts and the desired amount of water；
The preparation method of the thermosetting machine air filter paper, is carried out according to the following steps：
A. the preparation of filter layer uncoated paper is gone up：To being beaten after mercerization fiber, sisal fiber, akund mixing, slurry
Concentration is 1.9-2.5wt%, is beaten after being 12-14 ° of SR to slurry beating degree, then carries out defibrination, until beating degree is 16-20 °
SR, is obtained slurry a；Ethylene glycol diglycidylether is added in the slurry a, slurry b is obtained after stirring；Will dispersion
Agent is added in the slurry b, and the regulation slurry concentration that added water after being uniformly dispersed is obtained slurry c to 1.5-1.9wt%；To slurry c
Carry out online to manufacture paper with pulp after shaping, upper filter layer uncoated paper is obtained；
B. the preparation of filter layer uncoated paper is descended：Broad-leaved wood fiber is beaten, slurry concentration is 2.5-3.0%, mashing to slurry
After beating degree is 16-18 ° of SR, then defibrination is carried out, until beating degree is 26-30 ° of SR, slurry A is obtained；Ethylene glycol two is shunk sweet
Oily ether is added in the slurry A, and slurry B is obtained after stirring；By titania aerogel particle, beta-schardinger dextrin and carboxylic first
Base cellulose is added in the slurry B, and the regulation slurry concentration that added water after being uniformly dispersed is obtained slurry C to 1.3-1.7wt%, right
Slurry C carries out online and manufactures paper with pulp after shaping, and lower filter layer uncoated paper is obtained；
C. the laminating of upper and lower filter layer：The upper filter layer uncoated paper and lower filter layer uncoated paper are fitted, it is then true by taking out
The upper filter layer and lower filter layer of laminating are obtained after pneumatics squeezing, drying；
D. resin bed solidification：Resin liquid is coated with or the upper surface of upper filter layer and the lower surface of lower filter layer is sprayed onto, Gu
After change forms resin bed, that is, thermosetting machine air filter paper is obtained；
The preparation method of the titania aerogel particle is as follows：By butyl titanate, absolute ethyl alcohol, toluene in mass ratio 1:
15-25:0.02-0.04 is mixed, obtained solution a；By absolute ethyl alcohol, the glacial acetic acid of 1-2mol/L and water 10- in mass ratio
20:3-5:1 is mixed, obtained solution b；Supersonic oscillations treatment is carried out at 55-65 DEG C to solution a, by solution b with 1-
The speed of 2mL/s is added drop-wise in the 2-3 times of solution a of quality；Simultaneously to 0.02-0.04 times that addition quality in solution a is solution a
Sodium bicarbonate powder, continue stir 2-3h after, be obtained colloidal sol；The colloidal sol is stood into aging 24-48h, excess is then used
N-hexane solvent displacement 24-48h is carried out to colloidal sol, then remove n-hexane, obtain gel, finally by gel drying, crush after
The titania aerogel particle of micron-scale is obtained.
2. a kind of thermosetting machine air filter paper as claimed in claim 1, it is characterised in that the raw material of the upper filter layer include with
The material of lower mass parts：30 parts of mercerization fiber, 15 parts of sisal fiber, 15 parts of akund, ethylene glycol diglycidylether 1
Part, 0.3 part of dispersant and the desired amount of water；The raw material of the lower filter layer includes the material of following mass parts：Broad-leaved wood fiber
60 parts, 2 parts of titania aerogel particle, 2 parts of beta-schardinger dextrin, 1 part of carboxymethylcellulose calcium, 1 part of ethylene glycol diglycidylether
With the desired amount of water.
3. a kind of thermosetting machine air filter paper as claimed in claim 1, it is characterised in that the thickness of the thermosetting machine air filter paper
It is 0.30-0.38mm, the thickness of the upper filter layer is 0.10-0.16mm, and the thickness of the lower filter layer is 0.16-
0.20mm。
4. a kind of thermosetting machine air filter paper as claimed in claim 3, it is characterised in that the thermosetting machine air filter paper is quantified
It is 115-125g/m2, resin bed accounts for the 16-18% of thermosetting machine air filter paper gross mass.
5. a kind of thermosetting machine air filter paper as claimed in claim 1, it is characterised in that the resin bed is novolac resin layer.
6. a kind of thermosetting machine air filter paper as claimed in claim 1, it is characterised in that the dispersant is sodium pyrophosphate or six
Sodium metaphosphate.
7. a kind of preparation method of thermosetting machine air filter paper as claimed in claim 1, it is characterised in that by mashing, mill
After slurry, the mercerization fiber, sisal fiber, the length of akund are 2.4-2.6mm, the length of the broad-leaved wood fiber
It is 2.0-2.2mm.
8. a kind of preparation method of thermosetting machine air filter paper as claimed in claim 1, it is characterised in that in the prepared gel
Afterwards, gel is before it is dried by modification：Using the mixed liquor of trim,ethylchlorosilane and n-hexane to gel at 55-65 DEG C
Modified 16-36h；Wherein the mass ratio of trim,ethylchlorosilane, n-hexane and gel is 30-50:50：8-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610225043.9A CN105887573B (en) | 2016-04-12 | 2016-04-12 | A kind of thermosetting machine air filter paper and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610225043.9A CN105887573B (en) | 2016-04-12 | 2016-04-12 | A kind of thermosetting machine air filter paper and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105887573A CN105887573A (en) | 2016-08-24 |
| CN105887573B true CN105887573B (en) | 2017-06-20 |
Family
ID=57012457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610225043.9A Active CN105887573B (en) | 2016-04-12 | 2016-04-12 | A kind of thermosetting machine air filter paper and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105887573B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202516415U (en) * | 2012-02-09 | 2012-11-07 | 富阳市北木浆纸有限公司 | Quickly extra-thick filter paper |
| CN203017872U (en) * | 2012-10-11 | 2013-06-26 | 杭州特种纸业有限公司 | Thermosetting oil/air filter paper |
| CN103911908A (en) * | 2014-03-20 | 2014-07-09 | 杭州特种纸业有限公司 | Air filter paper |
| CN104831586A (en) * | 2015-05-11 | 2015-08-12 | 杭州特种纸业有限公司 | Solidified engine oil filter paper used for heavy loads as well as preparation method and application thereof |
| CN105256902A (en) * | 2015-07-22 | 2016-01-20 | 卓达新材料科技集团有限公司 | Instant aerogel composite heat isolation adhesive tape and preparing method of instant aerogel composite heat isolation adhesive tape |
-
2016
- 2016-04-12 CN CN201610225043.9A patent/CN105887573B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202516415U (en) * | 2012-02-09 | 2012-11-07 | 富阳市北木浆纸有限公司 | Quickly extra-thick filter paper |
| CN203017872U (en) * | 2012-10-11 | 2013-06-26 | 杭州特种纸业有限公司 | Thermosetting oil/air filter paper |
| CN103911908A (en) * | 2014-03-20 | 2014-07-09 | 杭州特种纸业有限公司 | Air filter paper |
| CN104831586A (en) * | 2015-05-11 | 2015-08-12 | 杭州特种纸业有限公司 | Solidified engine oil filter paper used for heavy loads as well as preparation method and application thereof |
| CN105256902A (en) * | 2015-07-22 | 2016-01-20 | 卓达新材料科技集团有限公司 | Instant aerogel composite heat isolation adhesive tape and preparing method of instant aerogel composite heat isolation adhesive tape |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105887573A (en) | 2016-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2893435T3 (en) | Composite material body and method of manufacturing it | |
| CN105862515B (en) | A kind of thermosetting air paper and preparation method thereof | |
| CN102912686B (en) | Filter paper for air filter containing modified nano bamboo charcoal powder | |
| CN102877373B (en) | A kind of preparation method of the fuel filter filter paper containing modified pearl potter's clay | |
| CN106012652B (en) | A kind of nanofiber composite air filter paper and preparation method thereof | |
| CN106207053B (en) | Preparation method of alkaline zinc-manganese battery diaphragm based on nanocellulose | |
| CN106049183B (en) | A kind of flat bed filter paper and preparation method thereof | |
| CN103243611B (en) | Wrinkle filter paper and manufacture craft thereof | |
| CN102912687B (en) | A kind of fuel filter filter paper containing modification infusorial earth | |
| CN109437855B (en) | A kind of preparation method of environmental protection porcelain tendre | |
| CN105887573B (en) | A kind of thermosetting machine air filter paper and preparation method thereof | |
| CN105951527B (en) | A kind of IC engine cleaner filter paper and preparation method thereof | |
| CN105200845A (en) | Making method of ultra-thin ceramic fiber material | |
| KR101371776B1 (en) | Silica gel, method for producing the same, paper carrying the same and silica gel element | |
| CN105852188A (en) | Coating composition for improving bulkiness of tobacco sheets | |
| CN102154952A (en) | Automobile air filter paper suitable for wet environment and preparation method thereof | |
| CN201942953U (en) | Air filter paper suitable for vehicles in moist environment | |
| CN201942955U (en) | Automotive fuel filter paper suitable for national standard IV | |
| CN102154953B (en) | Automobile fuel filter paper suitable for national IV standard and preparation method thereof | |
| JP6286909B2 (en) | Method for producing porous sheet | |
| CN108404879A (en) | A kind of preparation method of high-performance Dye Adsorption material | |
| CN107083074A (en) | A kind of preparation method of the ageing-resistant acoustic tile based on alkali lignin base | |
| CN102912688B (en) | A kind of preparation method of the cleaner filter paper containing nano titanium oxide | |
| CN103911908A (en) | Air filter paper | |
| CN109653019A (en) | A kind of preparation process of fully synthetic fiber F8 grades of air filting materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Thermosetting engine oil and air filter paper and preparation method thereof Effective date of registration: 20191108 Granted publication date: 20170620 Pledgee: Hengfeng Bank Co., Ltd. Hangzhou Fuyang sub branch Pledgor: Hangzhou Special Paper Industry Co., Ltd. Registration number: Y2019990000488 |