CN105951527B - A kind of IC engine cleaner filter paper and preparation method thereof - Google Patents
A kind of IC engine cleaner filter paper and preparation method thereof Download PDFInfo
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- CN105951527B CN105951527B CN201610370533.8A CN201610370533A CN105951527B CN 105951527 B CN105951527 B CN 105951527B CN 201610370533 A CN201610370533 A CN 201610370533A CN 105951527 B CN105951527 B CN 105951527B
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- 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
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- 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
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/46—Non-macromolecular organic compounds
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- 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
- D21H19/36—Coatings with pigments
- D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
- D21H19/64—Inorganic compounds
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- 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
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Abstract
The present invention relates to filter paper technical field, a kind of IC engine cleaner filter paper and preparation method thereof is disclosed.The IC engine cleaner filter paper includes upper filter layer, lower filter layer and the composite coating located at the upper filter layer upper surface；Composite mortar includes following material：Titania aerogel particle, phenoxy resin, dimethylformamide, water；The raw material of upper filter layer includes following material：Mercerization fiber, sisal fiber, akund, ethylene glycol diglycidylether, dispersant and water；The raw material of lower filter layer includes following material：Broad-leaved wood fiber, titania aerogel particle, beta cyclodextrin, carboxymethyl cellulose, ethylene glycol diglycidylether and water.The filter layer of the IC engine cleaner filter paper of the present invention on the premise of paper permeability and filter efficiency is ensured, improves the water resistance, weatherability and bursting strength of filter paper provided with gas permeability height, the coating of water-tolerant.
Description
Technical field
The present invention relates to filter paper preparing technical field, more particularly to a kind of IC engine cleaner filter paper and its preparation side
Method.
Background technology
IC engine cleaner filter paper, decides the performance of IC engine cleaner, and it is mainly used in filtering and enters engine
Aerial particulate contamination and moisture etc..Current IC engine cleaner filter paper is general by with will be into based on common wood pulp
Divide a kind of filter layer composition for the papery being made, because common wood pulp cellulose relatively thin, tightness is high, therefore made filter paper is universal
The shortcomings of there is tightness height, low filter efficiency, short life, and the filter paper also generally existing curability of papery is poor, water resistance,
The inadequate shortcoming of weatherability, when air humidity changes, paper is easily deformed, and then influences filter effect.
Also there is the Application No. of filter paper, such as the applicant's earlier application that one layer of resin bed is coated with its surface at present
CN201220523227.0 Chinese patent discloses the thermosetting air paper applied in a kind of air cleaner；The thermosetting
Air paper includes filter layer made of paper, and the surface also even spread of filter layer one layer of resin bed, and resin bed is thermosetting phenol
Urea formaldehyde layer.
The filter paper improves air paper to a certain extent by being designed with resin bed in the upper and lower surface of filter layer
Curability, water resistance and weatherability, when air humidity is raised, the hygroscopic deformation of paper is small, and service life is long.But
There is also defect：Due to being provided with resin bed on the two sides of air paper, and the coated weight of resin bed is larger, causes thickness thicker,
The air permeability and filter efficiency of air paper are had a strong impact on.
The Chinese invention patent of Application No. 200810054554.4 disclose a kind of IC engine cleaner filter paper and its
Preparation method, the filter paper includes the raw paper of filter paper formed by natural fiber or synthetic fibers, and in the side of raw paper of filter paper layer
The resin adhesive layer of deflection effect is applied in surface leaching.
Although the filter paper is provided only with one layer of resin adhesive layer, thinner thickness, the resin adhesive layer is to go to wind face, simply
Deflection effect is played, and the water resistance of filter paper, weatherability can be effectively improved.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of IC engine cleaner filter paper and preparation method thereof.
The filter layer of the IC engine cleaner filter paper of the present invention is ensureing paper provided with gas permeability height, the composite coating of water-tolerant
On the premise of opening air permeability and filter efficiency, the water resistance, weatherability and bursting strength of filter paper are improved.
The present invention concrete technical scheme be：A kind of IC engine cleaner filter paper, including upper filter layer, lower filter layer and
Composite coating located at the upper filter layer upper surface；The composite coating is formed by composite mortar solidification, the composite mortar
Include the material of following mass parts：40-60 parts of titania aerogel particles, 10-30 parts of phenoxy resins, 15-25 parts of dimethyl
Acid amides, 5-15 part water；The raw material of the upper filter layer includes the material of following mass parts：20-40 parts of mercerization fiber, sisal hemp is fine
10-20 part of dimension, 10-20 parts of akund, 0.5-1.5 parts of ethylene glycol diglycidylether, 0.2-0.4 parts of dispersant with it is required
The water of amount；The raw material of the lower filter layer includes the material of following mass parts：50-70 parts of broad-leaved wood fiber, titanium dioxide airsetting
Micelle is sub- 1-3 parts, 1-3 parts of beta-schardinger dextrin, 0.5-1.5 parts of carboxymethyl cellulose, 0.5-1.5 parts of ethylene glycol diglycidylether and
The desired amount of water.
Difference of the invention with traditional filter paper is：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, weatherability and resistance to
Broken degree, increases the service life, but it has had a strong impact on the air permeability of filter paper, not only reduces ventilation efficiency, and cause filter
Paper easily puts aside heat, so as to cause temperature to raise, has higher requirement to the heat endurance of filter paper.And the present invention is only making
The upper filter layer for flowing into face for air is provided with individual layer composite coating, can effectively reduce paper sheet thickness, improve air permeability.And
And upper and lower filter layer itself has preferable bursting strength and water resistance, it can effectively make up what is brought by the reduction of resin bed
Defect.And the composite coating of the present invention is used as main component, titanium dioxide using titania aerogel particle and phenoxy resin
Aerogel particles itself specific surface area is big, the three-dimensional network cross-linked structure with complexity, compared with traditional resin-cured layer, thoroughly
Manner and filter efficiency are higher.On the one hand phenoxy resin exists as binding agent, improves the conjugation of composite mortar and filter layer,
On the other hand, phenoxy resin can improve water resistance, resistance to shrinkage, resistance to acids and bases and the bursting strength of composite coating.
In upper filter layer, primary raw material, mercerising chemical fibre are used as using mercerization fiber, sisal fiber and akund
Dimension table face is smooth, and washing shrinkage is low, good stability of the dimension, and surface-active is high, and chemical reaction ability is strong, easily multiple with other fibers
Crosslink, and high adsorption capacity, increase dust containing capacity；Sisal fiber quality is harder, and length-width ratio is big, and modulus of elasticity is big, antifriction
Wipe, humidity, intensity is high, and with outstanding air permeability and adsorption capacity, it is possible to increase dust containing capacity, and fiber interweaving ability is strong；
Akund high mechanical strength, water resistance and heat endurance are good.Above-mentioned three kinds of fibers are passing through mashing, defibrination and manufactured paper with pulp
After shaping, by fibre length control in certain length so that the aperture of the fibrous layer after crosslinking is larger mutually, and porosity is big,
Therefore with preferable dust absorbing ability, dust containing capacity is improved.In addition, the strand two ends of ethylene glycol diglycidylether have
Active group, its two ends can serve bridge beam action, so as to further increase fiber respectively with fiber is carried out into " bonding "
Between cross-link intensity, improve the bursting strength and water resistance of fibrous layer.
Lower filter layer uses broad-leaved wood fiber as fibrous layer primary raw material, and is combined with titania aerogel grain
Son, beta-schardinger dextrin, carboxymethyl cellulose and ethylene glycol diglycidylether.Wherein, broad-leaved wood fiber is wider, after mashing, defibrination
Control its fibre length so that the fibrous layer 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 air permeability of fibrous layer is not influenceed, and the addition of titania aerogel particle can improve the machine of fibrous layer
Tool intensity；And also there is cavity inside beta-schardinger dextrin, it may have preferable absorption property；Improve filtering accuracy, carboxymethyl cellulose
Element serves not only as dispersant herein, and together with beta-schardinger dextrin, ethylene glycol diglycidylether, can also improve the friendship of fibrous layer
Join intensity.Lift bursting strength and water resistance.
The filter paper of the present 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 that filtration members service life is greatly prolonged, and filtration resistance is low, and lower filter layer is close and thin
Fine pore is further intercepted 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 fibrous layer.
Further, since by large quantity of air in filter paper, after the impurity such as dust are by a large amount of adsorbed, air by when can occur
Friction, produces noise, and the composite coating of the present invention, up and down filter layer each possess the hole of different pore size, and air permeability is high, and
And lower filter layer, due to the presence of TiO 2 particles and beta-schardinger dextrin, with a large amount of tiny holes, filter layer is mutual up and down
Under cooperation, Noise Reduction can be played.
Preferably, the composite mortar includes the material of following mass parts：50 parts of titania aerogel particles, 20 parts
Phenoxy resin, 20 parts of dimethylformamides, 10 parts of water；The raw material of the upper filter layer includes the material of following mass parts：Mercerization
30 parts of fiber, 15 parts of sisal fiber, 15 parts of akund, 1 part of ethylene glycol diglycidylether, 0.3 part of dispersant and required
The water of amount；The raw material of the lower filter layer includes the material of following mass parts：60 parts of broad-leaved wood fiber, titania aerogel grain
2 parts of son, 2 parts of beta-schardinger dextrin, 1 part of carboxymethyl cellulose, 1 part of ethylene glycol diglycidylether and the desired amount of water.
Preferably, the molecular weight of the phenoxy resin is between 100000-150000.Phenol oxygen tree between the molecular weight area
Fat is for filter layer in the present invention, the caking property chamber of aerogel particles, and water resistance, resistance to shrinkage are good.
Preferably, the thickness of the IC engine cleaner filter paper is 0.28-0.36mm, the thickness of the upper filter layer
For 0.10-0.15mm, the thickness of the lower filter layer is 0.16-0.20mm.
Preferably, the quantification of 105-115g/m of the IC engine cleaner filter paper2, composite coating accounts for internal combustion machine filter
The 6-10% of clear device filter paper gross mass.
Preferably, the dispersant is sodium pyrophosphate or calgon.
A kind of preparation method of above-mentioned IC engine cleaner filter paper, is carried out according to the following steps：
A. the preparation of upper filter layer uncoated paper：To being beaten after mercerization fiber, sisal fiber, akund mixing,
Slurry concentration is 1.9-2.5wt%, after mashing to slurry beating degree is 12-14 ° of SR, then carries out defibrination, until beating degree is 16-
20 ° of SR, are made slurry a；Ethylene glycol diglycidylether is added in the slurry a, slurry b is made after stirring；Will
Dispersant is added in the slurry b, and slurry c is made to 1.5-1.9wt% in the regulation slurry concentration that added water after being uniformly dispersed；It is right
Slurry c progress online is manufactured paper with pulp after shaping, and upper filter layer uncoated paper is made.
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 made；Ethylene glycol two is contracted
Water glycerin ether is added in the slurry A, and slurry B is made after stirring；By titania aerogel particle, beta-schardinger dextrin and
Carboxymethyl cellulose is added in the slurry B, and slurry is made to 1.3-1.7wt% in the regulation slurry concentration that added water after being uniformly dispersed
Expect C, slurry C progress online is manufactured paper with pulp after shaping, lower filter layer uncoated paper is made.
C. the laminating of upper and lower filter layer：The upper filter layer uncoated paper and lower filter layer uncoated paper are fitted, then passed through
Vacuumize the upper filter layer and lower filter layer that laminating is made after squeezing, drying.
D. composite mortar solidifies：Composite mortar is prepared by proportioning, the upper surface of filter layer is coated with or is sprayed onto, vacuum is done
It is dry to solidify to form after composite coating, that is, IC engine cleaner filter paper is made.
Preferably, 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, 1-2mol/L glacial acetic acid and water
10-20 in mass ratio:3-5:1 is mixed, obtained solution b；Supersonic oscillations processing is carried out at 55-65 DEG C to solution a, will
Solution b is added drop-wise to 1-2mL/s speed in the solution a of 2-3 times of quality；It is solution a's to add quality into solution a simultaneously
0.04-0.06 times of aluminium hydroxide, continues to stir after 2-3h, colloidal sol is made；The colloidal sol is stood into aging 24-48h, then made
Solvent displacement 24-48h is carried out to colloidal sol with excessive n-hexane, then removes n-hexane, gel is obtained, finally by gel in 300-
The titania aerogel particle of micron-scale is made after dry at 500 DEG C, crushing.
The titania aerogel particle of the present invention carries out toluene and carries out a pore, then select in preparation process
Aluminium hydroxide carries out secondary pore, and various sizes of hole can be made, and voidage is high, and specific surface area is big, and air permeability is good.And
During the pore of aluminium hydroxide, aluminium hydroxide is thermally decomposed into aluminum oxide and water, and water is by thermal evaporation pore, and aluminum oxide is residual
Stay in titania aerogel particle, it is possible to increase intensity.
Preferably, after the gel is made, gel passes through modification before it is dried：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 for 30-50:50:8-12.
After being modified to gel, with preferable hydrophobic ability, prevent titania aerogel particle from largely adsorbing water
Point.Therefore it is modified to improve the filter capacity and water resistance of filter paper.
It is compared with the prior art, the beneficial effects of the invention are as follows：The filter layer of the IC engine cleaner filter paper of the present invention
Provided with gas permeability height, the composite coating of water-tolerant, on the premise of paper permeability and filter efficiency is ensured, filter is improved
Water resistance, weatherability and the bursting strength of paper.
Brief description of the drawings
Fig. 1 is the structural representation of the IC engine cleaner filter paper of the present invention.
Reference is：Upper filter layer 1, lower filter layer 2, composite coating 3.
Embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1
As shown in figure 1, a kind of IC engine cleaner filter paper, including upper filter layer 1, lower filter layer 2 and it is coated on described
The composite coating 3 of upper filter layer upper surface.
Wherein, the thickness of the upper filter layer is 0.11-0.12mm, and the thickness of the lower filter layer is 0.18-0.19mm.
A kind of preparation method of IC engine cleaner filter paper, is carried out according to the following steps：
A. the preparation of upper filter layer uncoated paper：To 30 parts of mercerization fibers, 15 parts of sisal fibers, 15 parts of akund mixing
It is beaten afterwards, slurry concentration is 2.2wt%, after mashing to slurry beating degree is 13 ° of SR, then defibrination is carried out, until beating degree
For 18 ° of SR, slurry a is made；1 part of ethylene glycol diglycidylether is added in the slurry a, slurry is made after stirring
b；0.3 part of sodium pyrophosphate is added in the slurry b, slurry is made to 1.7wt% in the regulation slurry concentration that added water after being uniformly dispersed
Expect c；Mercerization fiber described in slurry c, sisal fiber, the length of akund are 2.4-2.6mm.
Slurry c progress online is manufactured paper with pulp after shaping, upper filter layer uncoated paper is made.
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 made；1 part of ethylene glycol two is shunk
Glycerin ether is added in the slurry A, and slurry B is made after stirring；By 2 parts of titania aerogel particles, 2 parts of β-ring pastes
Essence and 1 part of carboxymethyl cellulose are added in the slurry B, and the regulation slurry concentration that added water after being uniformly dispersed is made to 1.5wt%
Slurry c, 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, under being made
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, 1.5mol/L glacial acetic acid and water in mass ratio 15:
4:1 is mixed, obtained solution b；Supersonic oscillations processing is carried out at 60 DEG C to solution a, by solution b with 1.5mL/s speed
Rate is added drop-wise in the solution a of 2.5 times of quality；It is solution a 0.05 times of aluminium hydroxide times to add quality into solution a simultaneously
Sodium bicarbonate powder, continues to stir after 2.5h, colloidal sol is made；The colloidal sol is stood into aging 36h, then using it is excessive just oneself
Alkane carries out solvent displacement 36h to colloidal sol, then removes n-hexane, obtains gel.Use the mixing of trim,ethylchlorosilane and n-hexane
Liquid modified 24h at 60 DEG C to gel；Wherein the mass ratio of trim,ethylchlorosilane, n-hexane and gel is 40:50:10.Finally
Modified gel is made to the titania aerogel particle of micron-scale at 400 DEG C after dry, crushing.
C. the laminating of upper and lower filter layer：The upper filter layer uncoated paper and lower filter layer uncoated paper are fitted, then passed through
Vacuumize the upper filter layer and lower filter layer that laminating is made after squeezing, drying.
D. composite mortar solidifies：By 50 parts of titania aerogel particles, 20 parts of molecular weight are between 100000-150000
Phenoxy resin, 20 parts of dimethylformamides, the proportionings of 10 parts of water prepare composite mortar, be applied to the upper surface of filter layer, very
After empty dry solidification formation composite coating, that is, IC engine cleaner filter paper is made.
Embodiment 2
A kind of IC engine cleaner filter paper, including upper filter layer, lower filter layer and located at the upper filter layer upper surface
Composite coating.
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 IC engine cleaner filter paper, is carried out according to the following steps：
A. the preparation of upper filter layer uncoated paper：To 20 parts of mercerization fibers, 10 parts of sisal fibers, 10 parts of akund mixing
It is beaten afterwards, slurry concentration is 1.9wt%, after mashing to slurry beating degree is 12 ° of SR, then defibrination is carried out, until beating degree
For 16 ° of SR, slurry a is made；0.5 part of ethylene glycol diglycidylether is added in the slurry a, slurry is made after stirring
Expect b；0.2 part of calgon is added in the slurry b, the regulation slurry concentration that added water after being uniformly dispersed is made to 1.5wt%
Obtain slurry c；Mercerization fiber described in slurry c, sisal fiber, the length of akund are 2.4-2.6mm.
Slurry c progress online is manufactured paper with pulp after shaping, upper filter layer uncoated paper is made.
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 made；0.5 part of ethylene glycol two is contracted
Water glycerin ether is added in the slurry A, and slurry B is made after stirring；By 1 part of titania aerogel particle, 1- parts of β-
Cyclodextrin and 0.5 part of carboxymethyl cellulose are added in the slurry B, added water after being uniformly dispersed regulation slurry concentration to
1.3wt%, is made slurry C, 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 made.
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, 1mol/L glacial acetic acid and water in mass ratio 10:3:1
Mixed, obtained solution b；Supersonic oscillations processing is carried out at 55 DEG C to solution a, solution b is added dropwise with 1mL/s speed
Into the solution a of 2 times of quality；0.04 times of the aluminium hydroxide that quality is solution a is added into solution a simultaneously, continues to stir 2h
Afterwards, colloidal sol is made；The colloidal sol is stood into aging 24h, solvent displacement 24h is then carried out to colloidal sol using excessive n-hexane,
N-hexane is removed again, obtains gel.36h is modified at 55 DEG C to gel using the mixed liquor of trim,ethylchlorosilane and n-hexane；
Wherein the mass ratio of trim,ethylchlorosilane, n-hexane and gel is 30:50:8.Finally modified gel is done at 300 DEG C
The titania aerogel particle of micron-scale is made after dry, crushing.
C. the laminating of upper and lower filter layer：The upper filter layer uncoated paper and lower filter layer uncoated paper are fitted, then passed through
Vacuumize the upper filter layer and lower filter layer that laminating is made after squeezing, drying.
D. composite mortar solidifies：By 40 parts of titania aerogel particles, 10 parts of molecular weight are between 100000-150000
Phenoxy resin, 25 parts of dimethylformamides, the proportionings of 15 parts of water prepare composite mortar, be sprayed onto the upper surface of filter layer, very
After empty dry solidification formation composite coating, that is, IC engine cleaner filter paper is made.
Embodiment 3
A kind of IC engine cleaner filter paper, including upper filter layer, lower filter layer and located at the upper filter layer upper surface
Composite coating.
Wherein, the thickness of the upper filter layer is 0.14-0.15mm, and the thickness of the lower filter layer is 0.19-0.20mm.
A kind of preparation method of IC engine cleaner filter paper, is carried out according to the following steps：
A. the preparation of upper filter layer uncoated paper：To 40 parts of mercerization fibers, 20 parts of sisal fibers, 20 parts of akund mixing
It is beaten afterwards, slurry concentration is 2.5wt%, after mashing to slurry beating degree is 14 ° of SR, then defibrination is carried out, until beating degree
For 20 ° of SR, slurry a is made；1.5 parts of ethylene glycol diglycidylethers are added in the slurry a, slurry is made after stirring
Expect b；0.4 part of calgon is added in the slurry b, the regulation slurry concentration that added water after being uniformly dispersed is made to 1.9wt%
Obtain slurry c；Mercerization fiber described in slurry c, sisal fiber, the length of akund are 2.4-2.6mm.
Slurry c progress online is manufactured paper with pulp after shaping, upper filter layer uncoated paper is made.
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 made；1.5 parts of ethylene glycol two are contracted
Water glycerin ether is added in the slurry A, and slurry B is made after stirring；By 3 parts of titania aerogel particles, 3 parts of β-rings
Dextrin and 1.5 parts of carboxymethyl celluloses are added in the slurry B, are added water after being uniformly dispersed and are adjusted slurry concentration to 1.7wt%,
Slurry C is made, the length of broad-leaved wood fiber described in slurry C is 2.0-2.2mm.Slurry C progress online is manufactured paper with pulp after shaping, made
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, 2mol/L glacial acetic acid and water in mass ratio 20:5:1
Mixed, obtained solution b；Supersonic oscillations processing is carried out at 65 DEG C to solution a, solution b is added dropwise with 2mL/s speed
Into the solution a of 3 times of quality；0.06 times of the aluminium hydroxide that quality is solution a is added into solution a simultaneously, continues to stir 3h
Afterwards, colloidal sol is made；The colloidal sol is stood into aging 48h, solvent displacement 48h is then carried out to colloidal sol using excessive n-hexane,
N-hexane is removed again, obtains gel.16h is modified at 65 DEG C to gel using the mixed liquor of trim,ethylchlorosilane and n-hexane；
Wherein the mass ratio of trim,ethylchlorosilane, n-hexane and gel is 50:50:12.Finally modified gel is done at 500 DEG C
The titania aerogel particle of micron-scale is made after dry, crushing.
C. the laminating of upper and lower filter layer：The upper filter layer uncoated paper and lower filter layer uncoated paper are fitted, then passed through
Vacuumize the upper filter layer and lower filter layer that laminating is made after squeezing, drying.
D. composite mortar solidifies：By 60 parts of titania aerogel particles, 30 parts of molecular weight are between 100000-150000
Phenoxy resin, 15 parts of dimethylformamides, the proportionings of 5 parts of water prepare composite mortar, be sprayed onto the upper surface of filter layer, vacuum
After dry solidification formation composite coating, that is, IC engine cleaner filter paper is made.
Embodiment 4
A kind of IC engine cleaner filter paper, including upper filter layer, lower filter layer and located at the upper filter layer upper surface
Composite coating.
Wherein, the thickness of the upper filter layer is 0.11-0.12mm, and the thickness of the lower filter layer is 0.19-0.20mm.
A kind of preparation method of IC engine cleaner filter paper, is carried out according to the following steps：
A. the preparation of upper filter layer uncoated paper：To 25 parts of mercerization fibers, 16 parts of sisal fibers, 16 parts of akund mixing
It is beaten afterwards, slurry concentration is 2.3wt%, after mashing to slurry beating degree is 13 ° of SR, then defibrination is carried out, until beating degree
For 19 ° of SR, slurry a is made；1.25 parts of ethylene glycol diglycidylethers are added in the slurry a, are made 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 made slurry c；Mercerization fiber described in slurry c, sisal fiber, the length of akund are 2.4-2.6mm.
Slurry c progress online is manufactured paper with pulp after shaping, upper filter layer uncoated paper is made.
B. the preparation of filter layer uncoated paper is descended：50-70 parts of broad-leaved wood fibers are beaten, slurry concentration is 2.8%, be beaten
After being 16-18 ° of SR to slurry beating degree, then defibrination is carried out, until beating degree is 28 ° of SR, slurry A is made；By 1 part of ethylene glycol two
Glycidol ether is added in the slurry A, and slurry B is made after stirring；By 2 parts of titania aerogel particles, 1-3 parts
Beta-schardinger dextrin and 1 part of carboxymethyl cellulose are added in the slurry B, added water after being uniformly dispersed regulation slurry concentration to
1.6wt%, is made slurry C, 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 made.
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, 1.6mol/L glacial acetic acid and water in mass ratio 16:
4:1 is mixed, obtained solution b；Supersonic oscillations processing is carried out at 60 DEG C to solution a, by solution b with 1.6mL/s speed
Rate is added drop-wise in the solution a of 2.5 times of quality；0.045 times of the aluminium hydroxide that quality is solution a is added into solution a simultaneously, after
After continuous stirring 3h, colloidal sol is made；The colloidal sol is stood into aging 36h, solvent then is carried out to colloidal sol using excessive n-hexane
36h is replaced, then removes n-hexane, gel is obtained.Using the mixed liquor of trim,ethylchlorosilane and n-hexane to gel at 60 DEG C
Modified 30h；Wherein the mass ratio of trim,ethylchlorosilane, n-hexane and gel is 45:50:11.Finally modified gel is existed
The titania aerogel particle of micron-scale is made after dry at 350 DEG C, crushing.
C. the laminating of upper and lower filter layer：The upper filter layer uncoated paper and lower filter layer uncoated paper are fitted, then passed through
Vacuumize the upper filter layer and lower filter layer that laminating is made after squeezing, drying.
D. composite mortar solidifies：By 45 parts of titania aerogel particles, 25 parts of molecular weight are between 100000-150000
Phenoxy resin, 20 parts of dimethylformamides, the proportionings of 10 parts of water prepare composite mortar, be applied to the upper surface of filter layer, very
After empty dry solidification formation composite coating, that is, IC engine cleaner filter paper is made.
Embodiment 5
A kind of IC engine cleaner filter paper, including upper filter layer, lower filter layer and located at the upper filter layer upper surface
Composite coating.
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 IC engine cleaner filter paper, is carried out according to the following steps：
A. the preparation of upper filter layer uncoated paper：To 36 parts of mercerization fibers, 15 parts of sisal fibers, 17 parts of akund mixing
It is beaten afterwards, slurry concentration is 2.2wt%, after mashing to slurry beating degree is 14 ° of SR, then defibrination is carried out, until beating degree
For 20 ° of SR, slurry a is made；1 part of ethylene glycol diglycidylether is added in the slurry a, slurry is made 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 made to 1.8wt%
Slurry c；Mercerization fiber described in slurry c, sisal fiber, the length of akund are 2.4-2.6mm.
Slurry c progress online is manufactured paper with pulp after shaping, upper filter layer uncoated paper is made.
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 made；1 part of ethylene glycol two is shunk
Glycerin ether is added in the slurry A, and slurry B is made after stirring；By 2 parts of titania aerogel particles, 2 parts of β-ring pastes
Essence and 1 part of carboxymethyl cellulose are added in the slurry B, and the regulation slurry concentration that added water after being uniformly dispersed is made to 1.6wt%
Slurry C, 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, under being made
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, 1.5mol/L glacial acetic acid and water in mass ratio 15:
4:1 is mixed, obtained solution b；Supersonic oscillations processing is carried out at 60 DEG C to solution a, by solution b with 1.5mL/s speed
Rate is added drop-wise in the solution a of 2.5 times of quality；0.055 times of the aluminium hydroxide that quality is solution a is added into solution a simultaneously, after
After continuous stirring 2.5h, colloidal sol is made；The colloidal sol is stood into aging 36h, then colloidal sol carried out using excessive n-hexane molten
36h is replaced in agent, then removes n-hexane, obtains gel.Using the mixed liquor of trim,ethylchlorosilane and n-hexane to gel at 60 DEG C
Lower modified 24h；Wherein the mass ratio of trim,ethylchlorosilane, n-hexane and gel is 40:50:11.Finally by modified gel
The titania aerogel particle of micron-scale is made after dry at 450 DEG C, crushing.
C. the laminating of upper and lower filter layer：The upper filter layer uncoated paper and lower filter layer uncoated paper are fitted, then passed through
Vacuumize the upper filter layer and lower filter layer that laminating is made after squeezing, drying.
D. composite mortar solidifies：By 55 parts of titania aerogel particles, 15 parts of molecular weight are between 100000-150000
Phenoxy resin, 20 parts of dimethylformamides, the proportionings of 10 parts of water prepare composite mortar, be applied to the upper surface of filter layer, very
After empty dry solidification formation composite coating, that is, IC engine cleaner filter paper is made.
The technical indicator of IC engine cleaner filter paper is as shown in the table made from 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, is the conventional raw material, equipment of this area unless otherwise noted；In the present invention
Method therefor, is the conventional method of this area unless otherwise noted.
It is described above, only it is presently preferred embodiments of the present invention, not the present invention is imposed any restrictions, it is 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 (9)
1. a kind of IC engine cleaner filter paper, it is characterised in that：Including upper filter layer（1）, lower filter layer（2）With located at described
The composite coating of upper filter layer upper surface（3）；The composite coating by composite mortar solidification forms, the composite mortar include with
The material of lower mass parts：40-60 parts of titania aerogel particles, 10-30 parts of phenoxy resins, 15-25 parts of dimethylformamides, 5-
15 parts of water；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
Part, 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, titania aerogel particle 1-
3 parts, 1-3 parts of beta-schardinger dextrin, 0.5-1.5 parts of carboxymethyl cellulose, 0.5-1.5 parts of ethylene glycol diglycidylether and the desired amount of
Water；
The preparation method of the IC engine cleaner filter paper, is carried out according to the following steps：
A. the preparation of upper filter layer uncoated paper：To being beaten after mercerization fiber, sisal fiber, akund mixing, slurry
Concentration is 1.9-2.5wt%, after mashing to slurry beating degree is 12-14 ° of SR, then carries out defibrination, until beating degree is 16-20 °
SR, is made slurry a；Ethylene glycol diglycidylether is added in the slurry a, slurry b is made after stirring；Will be scattered
Agent is added in the slurry b, and slurry c is made to 1.5-1.9wt% in the regulation slurry concentration that added water after being uniformly dispersed；To slurry c
Progress online is manufactured paper with pulp after shaping, and upper filter layer uncoated paper is made；
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 made；Ethylene glycol two is shunk sweet
Oily ether is added in the slurry A, and slurry B is made after stirring；By titania aerogel particle, beta-schardinger dextrin and carboxylic first
Base cellulose is added in the slurry B, and slurry C is made to 1.3-1.7wt% in the regulation slurry concentration that added water after being uniformly dispersed, right
Slurry C progress online is manufactured paper with pulp after shaping, and lower filter layer uncoated paper is made；
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 made after pneumatics squeezing, drying；
D. composite mortar solidifies：Composite mortar is prepared by proportioning, the upper surface of filter layer is coated with or is sprayed onto, is dried in vacuo
It solidify to form after composite coating, that is, IC engine cleaner filter paper is made.
2. a kind of IC engine cleaner filter paper as claimed in claim 1, it is characterised in that the composite mortar includes following
The material of mass parts：50 parts of titania aerogel particles, 20 parts of phenoxy resins, 20 parts of dimethylformamides, 10 parts of water；On described
The raw material of filter layer includes the material of following mass parts：30 parts of mercerization fiber, 15 parts of sisal fiber, 15 parts of akund,
1 part of ethylene glycol diglycidylether, 0.3 part of dispersant and the desired amount of water；The raw material of the lower filter layer includes following quality
The material of part：60 parts of broad-leaved wood fiber, 2 parts of titania aerogel particle, 2 parts of beta-schardinger dextrin, 1 part of carboxymethyl cellulose, second
1 part of Hexanediol diglycidyl ether and the desired amount of water.
3. a kind of IC engine cleaner filter paper as claimed in claim 1, it is characterised in that the molecular weight of the phenoxy resin
Between 100000-150000.
4. a kind of IC engine cleaner filter paper as claimed in claim 1, it is characterised in that the IC engine cleaner filter
The thickness of paper is 0.28-0.36mm, and the thickness of the upper filter layer is 0.10-0.15mm, and the thickness of the lower filter layer is
0.16-0.20mm。
5. a kind of IC engine cleaner filter paper as claimed in claim 4, it is characterised in that the IC engine cleaner filter
The quantification of 105-115g/m of paper2, composite coating accounts for the 6-10% of IC engine cleaner filter paper gross mass.
6. a kind of IC engine cleaner filter paper as claimed in claim 1, it is characterised in that the dispersant is sodium pyrophosphate
Or calgon.
7. a kind of preparation method of IC engine cleaner filter paper as claimed in claim 1, it is characterised in that by beating
After slurry, defibrination, the mercerization fiber, sisal fiber, the length of akund are 2.4-2.6mm, the broad-leaved wood fiber
Length be 2.0-2.2mm.
8. a kind of preparation method of IC engine cleaner filter paper as claimed in claim 1, it is characterised in that the titanium dioxide
The preparation method of titanium aerogel particles is as follows：By butyl titanate, absolute ethyl alcohol, toluene in mass ratio 1:15-25:0.02-0.04
Mixed, obtained solution a；By absolute ethyl alcohol, 1-2mol/L glacial acetic acid and water 10-20 in mass ratio:3-5:1 is mixed
Close, obtained solution b；Supersonic oscillations processing is carried out at 55-65 DEG C to solution a, solution b is added dropwise with 1-2mL/s speed
Into the solution a of 2-3 times of quality；0.04-0.06 times of the aluminium hydroxide that quality is solution a is added into solution a simultaneously, is continued
Stir after 2-3h, colloidal sol is made；The colloidal sol is stood into aging 24-48h, then colloidal sol carried out using excessive n-hexane molten
24-48h is replaced in agent, then removes n-hexane, obtains gel, and gel finally is made into micron after dry, crushing at 300-500 DEG C
The titania aerogel particle of size.
9. a kind of preparation method of IC engine cleaner filter paper as claimed in claim 8, it is characterised in that described being made
After gel, gel passes through modification before it is dried：Using the mixed liquor of trim,ethylchlorosilane and n-hexane to gel in 55-65
Modified 16-36h at DEG C；Wherein the mass ratio of trim,ethylchlorosilane, n-hexane and gel is 30-50:50：8-12.
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| DE102005032395A1 (en) * | 2005-07-12 | 2007-01-25 | Mahle International Gmbh | Filter medium for technical applications and method of its production |
| CN100558985C (en) * | 2008-02-14 | 2009-11-11 | 衡水国威滤纸有限公司 | A kind of IC engine cleaner filter paper and preparation method thereof |
| CN202516415U (en) * | 2012-02-09 | 2012-11-07 | 富阳市北木浆纸有限公司 | Quickly extra-thick filter paper |
| CN103112830B (en) * | 2013-03-07 | 2015-01-28 | 东北林业大学 | Method for preparing inorganic oxide aerogel by taking biomass nanometer fibrillation cellulose as template |
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