CN105986524A - Nano silica particle added filter paper for hydraulic oil filter element - Google Patents
Nano silica particle added filter paper for hydraulic oil filter element Download PDFInfo
- Publication number
- CN105986524A CN105986524A CN201610062300.1A CN201610062300A CN105986524A CN 105986524 A CN105986524 A CN 105986524A CN 201610062300 A CN201610062300 A CN 201610062300A CN 105986524 A CN105986524 A CN 105986524A
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- solid content
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- distilled water
- filter paper
- hydraulic oil
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Classifications
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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
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/36—Inorganic fibres or flakes
- D21H13/38—Inorganic fibres or flakes siliceous
- D21H13/40—Inorganic fibres or flakes siliceous vitreous, e.g. mineral wool, glass fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- 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
- D21H17/33—Synthetic macromolecular compounds
-
- 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
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
- D21H17/55—Polyamides; Polyaminoamides; Polyester-amides
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Abstract
The invention discloses nano silica particle added filter paper for a hydraulic oil filter element. The filter paper is prepared from, by weight, 50-55 parts of 3-5mm alkali-free superfine glass fibers, 55-60 parts of bleached softwood pulp, appropriate amount of distilled water, 0.8-1 part of anionic polyacrylamide, appropriate amount of concentrated sulfuric acid being 98wt% in concentration, 10-12 parts of nano titania, 20-25 parts of ferroferric oxide colloidal solution with solid content being 30%, appropriate amount of absolute ethyl alcohol, 60-65 parts of fluorosilicone emulsion with solid content being 40wt%, 10-12 parts of tetraethoxysilane, 5-6 parts of methyltriethoxysilane, 3-4 parts of ammonia water and 1-1.2 parts of peregal O. The filter paper for the hydraulic oil filter element is firm, durable, resistant to corrosion and convenient to replace and saves cost.
Description
Technical field
The present invention relates to filter paper technical field, particularly relate to a kind of hydraulic oil filter core filter paper adding nano-silicon dioxide particle.
Background technology
Nowadays Chinese society is developing rapidly, and enterprise can select mechanically actuated mode in work progress mostly.Constantly perfect with science and technology, in terms of mechanically actuated, enterprise has applied the form of construction work of electromechanical integration all.During mechanical use, no matter how careful operator is to installation and the operation of equipment, all being not fee from the pollution causing hydraulic oil in various degree, the maintenance of hydraulic oil will take for substantial amounts of time and expense, and therefore hydraulic oil becomes of paramount importance parts during machinery uses.Machinery is in use, mainly operated by the through miscellaneous part of hydraulic oil, owing to moisture, gas inclusions dust are mixed in hydraulic oil, to cause hydraulic oil produces oxidation, cause the formation of foam, incrustation and greasy filth, directly affect the using effect of machinery, also result in sizable infringement to machinery simultaneously, hydraulic oil filtration system can reduce the incidence of this phenomenon, avoid that the phenomenon that hydraulic oil is contaminated in use occurs as far as possible, it can be seen that the filtration system of hydraulic oil directly affects the service life of machinery.
A kind of water-base resin with excellent hydrophobic oleophilic oil performance prepared in the preparation of the hydrophobic oleophilic oil organo-mineral complexing emulsion " and in the application study of oil-water separation filter paper " literary composition, prepare efficient water-oil separating resin by the method for organo-mineral complexing and be applied to filter paper impregnation, give filter paper with efficient water-oil separating performance simultaneously, substantially increase filter paper strength character and service life.Filtration filter paper is after complex emulsions dipping, and its surface presents double micro-rough structure, gives filter paper super-hydrophobic/super-oleophilic performance, and water-oil separating rate can be up to 99.6wt%.But the filter paper used herein is ordinary filter paper, not there is good heat resistant, corrosion resistance, and filter paper can be destroyed and be caused filtration inefficiencies under stress for a long time, so can directly promote and produce into, a kind of filter core filter paper that can be convenient for changing should be developed, certain pressure can not only be resisted, possesses good intensity, can use in high-temperature oil liquid, and can be good at moisture present in filtered fluid force feed and the mechanical admixture particle etc. in system, simultaneously cost-effective.
Content of the invention
The object of the invention is contemplated to make up the defect of prior art, provides a kind of hydraulic oil filter core filter paper adding nano-silicon dioxide particle.
The present invention is achieved by the following technical solutions:
A kind of hydraulic oil filter core filter paper adding nano-silicon dioxide particle, is made up of the raw material of following weight portion: 3-5 millimeter superfine E-glass fibre glass fibre 50-55, bleaching needle-point leaf pulp 55-60, distilled water are appropriate, PAMA 0.8-1, concentration are that the concentrated sulfuric acid of 98wt% is appropriate, nano titanium oxide 10-12, solid content are 30% ferroferric oxide gel solution 20-25, absolute ethyl alcohol be appropriate, the fluoro-silicone emulsion 60-65 of solid content 40wt%, tetraethyl orthosilicate 10-12, MTES 5-6, ammoniacal liquor 3-4, paregal O 1-1.2.
Described a kind of hydraulic oil filter core filter paper adding nano-silicon dioxide particle, is made up of step in detail below:
(1) distilled water adding 8-10 appropriate in 3-5 millimeter superfine E-glass fibre glass fibre being made suspension, the concentrated sulfuric acid adding appropriate concentration to be 98wt%, regulation pH is 3.5, and the formation suspension that stirs is stand-by；Bleaching needle-point leaf pulp is put into hydrabrusher size degradation, then through beater stirring, control beating degree at 40-45 ° of SR, then mixes with above-mentioned glass suspension, adds PAMA, continues stirring, form uniform pulp suspension；
(2) by the distilled water adding 10-12 times amount in nano titanium oxide, stirring is to being completely dispersed, heating water bath, to 60-65 DEG C, is slowly added to the ferroferric oxide gel solution that solid content is 30%, after being added dropwise to complete, with the speed stirring 120-150 minute of 350-400 rev/min, it is then centrifuged for separating, use distilled water, absolute ethanol washing 2 times respectively, be finally putting in vacuum drying chamber with 70-80 DEG C of drying, take out after cooling, grind and prepare magnetic powder；
(3) ammoniacal liquor is put in reactor, it is subsequently adding the absolute ethyl alcohol of the distilled water with ammoniacal liquor equivalent and 33-35 times amount, being stirred and heated to 70-80 DEG C, being then slowly added dropwise tetraethyl orthosilicate, control time for adding is in 30 minutes, it is incubated 3.5-4 hour after being added dropwise to complete, continuously add MTES, continue reaction 24-28 hour, obtain nano silicon dioxide sol, finally concentrate and vacuumize volatile fraction absolute ethyl alcohol, obtain the nano silicon dioxide sol that solid content is 10%；
(4) pulp suspension obtaining step (1) mixes with the magnetic powder that step (2) obtains, add remaining residual components in addition to the fluoro-silicone emulsion of solid content 40wt%, it is heated to 50-60 DEG C, be stirring evenly and then adding into appropriate distilled water size mixing to solid content be 2-3%, again shaped for the slurry mixing up net is shaped, under the vacuum condition of 0.06-0.08Mpa, suction dehydration is carried out to the l Water Paper after shaping；
(5) fluoro-silicone emulsion of solid content 40wt% is mixed with the product that step (3) obtains, the distilled water adding total amount 2-3 times amount is diluted obtaining maceration extract, the l Water Paper that step (4) obtains is passed through dipping tank with the speed of 3-3.5m/s, make maceration extract be uniformly coated on l Water Paper, be then placed in the temperature drying with 150-160 DEG C in electric drying oven with forced convection.
The invention have the advantage that glass fibre is mixed with softwood pulp by the present invention by after acid modification, the intensity of reinforcing glass fiber while keeping glass fibre to be uniformly dispersed good, reduce the fragility of glass fibre, take into account intensity index and the strainability of product, there is good high temperature resistant, corrosion resistance simultaneously；The present invention also with the addition of the modified ferroso-ferric oxide of nanometer titanium dioxide-coated in preparation, not only possesses good magnetic, make the filter paper can the mechanical admixture such as metal filings that preferably adsorption filtration is fallen in hydraulic system, and improve the whiteness of magnetic powder, it is more suitable for being added in the preparation of filter paper；Finally with fluoro-silicone emulsion, raw paper of filter paper is impregnated, after dipping, latex particle is dispersed in fiber page hole and fiber surface, after drying film forming, can be evenly coated on fiber surface and intertwined point, and unplugged fiber holes gap, make filter paper remain in that abundant space, there is excellent oil-water separation, improve the performances such as the deflection of filter paper, bursting strength, tensile strength simultaneously.
The present invention prepares nano silicon dioxide sol by certain process means, add in the fluoro-silicone emulsion of dipping, by construction nanometer rough morphology on filter paper fibre surface, micrometer level porous structure in conjunction with filter paper itself collectively forms rough morphology, filter paper can be made to reach super-hydrophobic, the effect of oleophylic and there is excellent water-oil separating performance, excellent strength character can also be provided for filter paper simultaneously；It is convenient for changing while hydraulic oil filter core filter paper prepared by the present invention is durable, corrosion-resistant, cost-effective.
Detailed description of the invention
A kind of hydraulic oil filter core filter paper adding nano-silicon dioxide particle, is made up of the raw material of following weight portion (kilogram): 3-5 millimeter superfine E-glass fibre glass fibre the 50th, bleaching needle-point leaf pulp the 55th, distilled water is appropriate, PAMA the 0.8th, concentration is that the concentrated sulfuric acid of 98wt% is appropriate, nano titanium oxide the 10th, solid content be 30% ferroferric oxide gel solution the 20th, absolute ethyl alcohol is appropriate, fluoro-silicone emulsion the 60th, tetraethyl orthosilicate the 10th, MTES the 5th, ammoniacal liquor the 3rd, paregal O 1 of solid content 40wt%.
Described a kind of hydraulic oil filter core filter paper adding nano-silicon dioxide particle, is made up of step in detail below:
(1) 8 appropriate distilled water will be added in 3-5 millimeter superfine E-glass fibre glass fibre to make suspension, the concentrated sulfuric acid adding appropriate concentration to be 98wt%, regulation pH is 3.5, and the formation suspension that stirs is stand-by；Bleaching needle-point leaf pulp is put into hydrabrusher size degradation, then through beater stirring, control beating degree at 40 ° of SR, then mixes with above-mentioned glass suspension, adds PAMA, continues stirring, form uniform pulp suspension；
(2) by the distilled water adding 10 times amount in nano titanium oxide, stirring is to being completely dispersed, heating water bath, to 60 DEG C, is slowly added to the ferroferric oxide gel solution that solid content is 30%, after being added dropwise to complete, stir 120 minutes with the speed of 350 revs/min, it is then centrifuged for separating, use distilled water, absolute ethanol washing 2 times respectively, be finally putting in vacuum drying chamber with 70 DEG C of dryings, take out after cooling, grind and prepare magnetic powder；
(3) ammoniacal liquor is put in reactor, it is subsequently adding the absolute ethyl alcohol of the distilled water with ammoniacal liquor equivalent and 33 times amount, being stirred and heated to 70 DEG C, being then slowly added dropwise tetraethyl orthosilicate, control time for adding is in 30 minutes, it is incubated 3.5 hours after being added dropwise to complete, continuously add MTES, continue reaction 24 hours, obtain nano silicon dioxide sol, finally concentrate and vacuumize volatile fraction absolute ethyl alcohol, obtain the nano silicon dioxide sol that solid content is 10%；
(4) pulp suspension obtaining step (1) mixes with the magnetic powder that step (2) obtains, add remaining residual components in addition to the fluoro-silicone emulsion of solid content 40wt%, it is heated to 50 DEG C, be stirring evenly and then adding into appropriate distilled water size mixing to solid content be 2%, again shaped for the slurry mixing up net is shaped, under the vacuum condition of 0.06Mpa, suction dehydration is carried out to the l Water Paper after shaping；
(5) fluoro-silicone emulsion of solid content 40wt% is mixed with the product that step (3) obtains, the distilled water adding total amount 2 times amount is diluted obtaining maceration extract, the l Water Paper that step (4) obtains is passed through dipping tank with the speed of 3m/s, make maceration extract be uniformly coated on l Water Paper, be then placed in the temperature drying with 150 DEG C in electric drying oven with forced convection.
After testing, the air permeability of the filter paper that the present invention prepares is 38.9s 100mL-1
, tensile index is 23.5N m g-1, burst index is 1.981kPa m2•g-1。
Claims (2)
1. the hydraulic oil filter core filter paper adding nano-silicon dioxide particle, it is characterized in that, it is made up of the raw material of following weight portion: 3-5 millimeter superfine E-glass fibre glass fibre 50-55, bleaching needle-point leaf pulp 55-60, distilled water is appropriate, PAMA 0.8-1, concentration is that the concentrated sulfuric acid of 98wt% is appropriate, nano titanium oxide 10-12, solid content is the ferroferric oxide gel solution 20-25 of 30%, absolute ethyl alcohol is appropriate, the fluoro-silicone emulsion 60-65 of solid content 40wt%, tetraethyl orthosilicate 10-12, MTES 5-6, ammoniacal liquor 3-4, paregal O 1-1.2.
2. a kind of hydraulic oil filter core filter paper adding nano-silicon dioxide particle according to claim 1, it is characterised in that be made up of step in detail below:
(1) distilled water adding 8-10 appropriate in 3-5 millimeter superfine E-glass fibre glass fibre being made suspension, the concentrated sulfuric acid adding appropriate concentration to be 98wt%, regulation pH is 3.5, and the formation suspension that stirs is stand-by；Bleaching needle-point leaf pulp is put into hydrabrusher size degradation, then through beater stirring, control beating degree at 40-45 ° of SR, then mixes with above-mentioned glass suspension, adds PAMA, continues stirring, form uniform pulp suspension；
(2) by the distilled water adding 10-12 times amount in nano titanium oxide, stirring is to being completely dispersed, heating water bath, to 60-65 DEG C, is slowly added to the ferroferric oxide gel solution that solid content is 30%, after being added dropwise to complete, with the speed stirring 120-150 minute of 350-400 rev/min, it is then centrifuged for separating, use distilled water, absolute ethanol washing 2 times respectively, be finally putting in vacuum drying chamber with 70-80 DEG C of drying, take out after cooling, grind and prepare magnetic powder；
(3) ammoniacal liquor is put in reactor, it is subsequently adding the absolute ethyl alcohol of the distilled water with ammoniacal liquor equivalent and 33-35 times amount, being stirred and heated to 70-80 DEG C, being then slowly added dropwise tetraethyl orthosilicate, control time for adding is in 30 minutes, it is incubated 3.5-4 hour after being added dropwise to complete, continuously add MTES, continue reaction 24-28 hour, obtain nano silicon dioxide sol, finally concentrate and vacuumize volatile fraction absolute ethyl alcohol, obtain the nano silicon dioxide sol that solid content is 10%；
(4) pulp suspension obtaining step (1) mixes with the magnetic powder that step (2) obtains, add remaining residual components in addition to the fluoro-silicone emulsion of solid content 40wt%, it is heated to 50-60 DEG C, be stirring evenly and then adding into appropriate distilled water size mixing to solid content be 2-3%, again shaped for the slurry mixing up net is shaped, under the vacuum condition of 0.06-0.08Mpa, suction dehydration is carried out to the l Water Paper after shaping；
(5) fluoro-silicone emulsion of solid content 40wt% is mixed with the product that step (3) obtains, the distilled water adding total amount 2-3 times amount is diluted obtaining maceration extract, the l Water Paper that step (4) obtains is passed through dipping tank with the speed of 3-3.5m/s, make maceration extract be uniformly coated on l Water Paper, be then placed in the temperature drying with 150-160 DEG C in electric drying oven with forced convection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062300.1A CN105986524A (en) | 2016-01-29 | 2016-01-29 | Nano silica particle added filter paper for hydraulic oil filter element |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610062300.1A CN105986524A (en) | 2016-01-29 | 2016-01-29 | Nano silica particle added filter paper for hydraulic oil filter element |
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| CN105986524A true CN105986524A (en) | 2016-10-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999032A (en) * | 2018-09-07 | 2018-12-14 | 宿州学院 | A kind of preparation method of modified plant fibers filter paper |
| CN114634186A (en) * | 2020-12-16 | 2022-06-17 | 安徽进化硅纳米材料科技有限公司 | Preparation method of nano silicon dioxide dispersion liquid |
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2016
- 2016-01-29 CN CN201610062300.1A patent/CN105986524A/en active Pending
Patent Citations (5)
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| CN101172206A (en) * | 2006-11-01 | 2008-05-07 | 王金夫 | oil filter paper |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999032A (en) * | 2018-09-07 | 2018-12-14 | 宿州学院 | A kind of preparation method of modified plant fibers filter paper |
| CN114634186A (en) * | 2020-12-16 | 2022-06-17 | 安徽进化硅纳米材料科技有限公司 | Preparation method of nano silicon dioxide dispersion liquid |
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