CN102912688A - Preparation method of filter paper for filter containing nanometer titania - Google Patents
Preparation method of filter paper for filter containing nanometer titania Download PDFInfo
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- CN102912688A CN102912688A CN2012103604288A CN201210360428A CN102912688A CN 102912688 A CN102912688 A CN 102912688A CN 2012103604288 A CN2012103604288 A CN 2012103604288A CN 201210360428 A CN201210360428 A CN 201210360428A CN 102912688 A CN102912688 A CN 102912688A
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Abstract
The invention discloses a preparation method of filter paper for a filter containing nanometer titania. The filter paper is prepared from the following materials in parts by weight: 60-65 parts of wood pulp cellulose, 25-30 parts of polyster fibre, 1-3 parts of modified dickite, 1-2 parts of modified nano sepiolite powder, 1-2 parts of polyvinyl acetate elusion adhesive, 1-2 parts of nanometer titania, 0.5-1 part of monoammonium phosphate, 0.3-0.4 parts of ammonium polyphosphate, 0.1-0.2 parts of aluminium silicate, 1-2 parts of polysorbate-80, and 0.3-0.5 parts of PAE (polyarylether) wet strength agent. The filter paper disclosed by the invention has the advantages of good water permeability, large filter area, small maximum aperture, high filter precision, good water tolerance and the like, has a stable performance index at a normal temperature under a high-temperature work condition, and has better effects of temperature resistance and filtering.
Description
Technical field
The present invention relates to the automobile filter field, exactly is a kind of preparation method who contains the cleaner filter paper of nano titanium oxide.
Background technology
In a system, with a kind of medium of porous the solia particle in liquid or the gas is removed, be called filtration, for the annex of finishing such mission employing is called cleaner.Cleaner includes air filter, oil filter, fuel filter, is referred to as three filters.
As a kind of effective filter medium, filter paper has been widely used in every field.Different according to the kinds of fibers that forms filter paper, the performance of filter paper, purposes are also different, are useful on the common filter paper of general occasion, be used under the high temperature glass fiber filter paper, also have ultra-clean with polypropylene filter paper etc.According to filter paper impregnation whether, can be divided into two large classes, i.e. impregnation filter paper and non-impregnation filter paper.Impregnation filter paper is divided into again curing filter paper and non-curing filter paper.
Along with improving constantly of filter requiring, anyly plant fibrous filter paper and all more and more be difficult to satisfy requirement on using by single, so the filter paper that is formed by multiple fiber combinations arises at the historic moment.Fiber commonly used in the filter paper production has wood fibre, chemical fibre, glass fibre etc.
Summary of the invention
The object of the present invention is to provide the preparation method of the good cleaner filter paper that contains nano titanium oxide of a kind of resistance to elevated temperatures.
Above-mentioned purpose realizes by following scheme:
A kind of preparation method who contains the cleaner filter paper of nano titanium oxide is characterized in that: may further comprise the steps:
(1) dickite being put into sodium carbonate and potassium permanganate mixed solution soaked after 5-6 hour, take out dry, the aluminium oxide that add Silane coupling agent KH550, the sldium lauryl sulfate that is equivalent to dickite weight 0.3-0.5% be equivalent to dickite weight 0.5-1.2%, is equivalent to dickite weight 0.5-1% ground 1-2 hour after stirring 5-8 minute down in 1400-1500 rev/min, and it is for subsequent use namely to get the modification dickite;
(2) potassic feldspar is put into glacial acetic acid solution and soaked after 4-5 hour, take out washing, in 400-450 ℃ of calcining 4-6 hour, then grind to form nanometer powder again, it is for subsequent use namely to get the modified Nano feldspar in powder
(3) with putting into the pulper size degradation behind 60-65 weight portion wood pulp fibre, the 25-30 weight portion polyster fibre mixing, obtain the slurry that solid content is 5-6%, add again 0.3-0.5 weight portion PAE wet strength agent and continue size degradation, get mixed slurry;
(4) modification dickite, modified Nano feldspar in powder and all the other raw materials are added in step (1) the gained mixed slurry by weight, be heated to 70-80 ℃;
The described cleaner filter paper that contains nano titanium oxide is that the raw material by following weight parts makes: wood pulp fibre 60-65, polyster fibre 25-30, modification dickite 1-3, modified Nano feldspar in powder 1-2, Polyvinylacetate Emulsion Adhesive 1-2, nano titanium oxide 1-2, ammonium dihydrogen phosphate (ADP) 0.5-1, APP 0.3-0.4, alumina silicate 0.1-0.2, Tween-80 1-2, PAE wet strength agent 0.3-0.5;
(5) after fluffer is discongested, defibrination is copied paper according to conventional paper technology again, and moulding is squeezed, is drying to obtain.
Described a kind of preparation method who contains the cleaner filter paper of nano titanium oxide is characterized in that: the solid content of described Polyvinylacetate Emulsion Adhesive is 45-52%.
Described a kind of preparation method who contains the cleaner filter paper of nano titanium oxide is characterized in that: described sodium carbonate and potassium permanganate mixed solution are mixed with the liquor potassic permanganate equal-volume of 0.7-1.0g/L by the sodium carbonate liquor of 7-9g/L and get.
Described a kind of preparation method who contains the cleaner filter paper of nano titanium oxide is characterized in that: the concentration of described glacial acetic acid solution is 15-30%.
Described a kind of preparation method who contains the cleaner filter paper of nano titanium oxide is characterized in that: the gained slurry is sized mixing through adding water behind the defibrination, carries out machine hand's order to solid content 2-3% again.
Beneficial effect of the present invention is: the absorption property that the modification dickite that raw material of the present invention adopts and modified Nano feldspar in powder have increased filter paper.The advantages such as gained filter paper of the present invention has good water permeability, filter area is large, the maximum diameter of hole is little, filtering accuracy is high, water-tolerant, stable performance indications are arranged under normal temperature and worst hot case, have preferably heatproof and filter effect, its maximum diameter of hole 50-55 μ m, average pore size 30-35 μ m becomes the paper air permeability at 80-90L/m
2.S between.
The specific embodiment
Embodiment 1
A kind of preparation method who contains the cleaner filter paper of nano titanium oxide may further comprise the steps:
(1) dickite being put into sodium carbonate and potassium permanganate mixed solution soaked after 6 hours, take out dry, the aluminium oxide that add Silane coupling agent KH550, the sldium lauryl sulfate that is equivalent to dickite weight 0.5% be equivalent to dickite weight 1.2%, is equivalent to dickite weight 1% ground 2 hours after stirring 8 minutes down in 1400 rev/mins, and it is for subsequent use namely to get the modification dickite;
(2) potassic feldspar is put into glacial acetic acid solution and soaked after 5 hours, take out washing, in 450 ℃ of calcinings 6 hours, then grind to form nanometer powder again, it is for subsequent use namely to get the modified Nano feldspar in powder
(3) be 5% slurry with putting into the pulper size degradation behind 60 weight portion wood pulp fibres, the 25 weight portion polyster fibre mixings, obtaining solid content, add again 0.3 weight portion PAE wet strength agent and continue size degradation, get mixed slurry;
(4) modification dickite, modified Nano feldspar in powder and all the other raw materials are added in step (1) the gained mixed slurry by weight, be heated to 70 ℃;
The described cleaner filter paper that contains nano titanium oxide is that the raw material by following weight parts (kg) makes: wood pulp fibre 60, polyster fibre 25, modification dickite 1, modified Nano feldspar in powder 1, Polyvinylacetate Emulsion Adhesive 1, nano titanium oxide 1, ammonium dihydrogen phosphate (ADP) 0.5, APP 0.3, alumina silicate 0.1, Tween-80 1, PAE wet strength agent 0.3;
(5) after fluffer is discongested, defibrination is copied paper according to conventional paper technology again, and moulding is squeezed, is drying to obtain.
The solid content of described Polyvinylacetate Emulsion Adhesive is 45%.
Described sodium carbonate and potassium permanganate mixed solution are mixed with the liquor potassic permanganate equal-volume of 1.0g/L by the sodium carbonate liquor of 9g/L and get.
The concentration of described glacial acetic acid solution is 30%.
Present embodiment maximum diameter of hole 50-55 μ m, average pore size 33-35 μ m becomes the paper air permeability at 80-90L/m
2.S between.
Embodiment 2,
A kind of preparation method who contains the cleaner filter paper of nano titanium oxide may further comprise the steps:
(1) dickite being put into sodium carbonate and potassium permanganate mixed solution soaked after 6 hours, take out dry, the aluminium oxide that add Silane coupling agent KH550, the sldium lauryl sulfate that is equivalent to dickite weight 0.3% be equivalent to dickite weight 1.2%, is equivalent to dickite weight 0.5% ground 1 hour after stirring 5 minutes down in 1500 rev/mins, and it is for subsequent use namely to get the modification dickite;
(2) potassic feldspar is put into glacial acetic acid solution and soaked after 4 hours, take out washing, in 450 ℃ of calcinings 4 hours, then grind to form nanometer powder again, it is for subsequent use namely to get the modified Nano feldspar in powder
(3) be 6% slurry with putting into the pulper size degradation behind 65 weight portions (kg) wood pulp fibre, the 30 weight portion polyster fibre mixings, obtaining solid content, add again 0.5 weight portion PAE wet strength agent and continue size degradation, get mixed slurry;
(4) modification dickite, modified Nano feldspar in powder and all the other raw materials are added in step (1) the gained mixed slurry by weight, be heated to 80 ℃;
The described cleaner filter paper that contains nano titanium oxide is that the raw material by following weight parts (kg) makes: wood pulp fibre 65, polyster fibre 30, modification dickite 1, modified Nano feldspar in powder 2, Polyvinylacetate Emulsion Adhesive 1, nano titanium oxide 2, ammonium dihydrogen phosphate (ADP) 1, APP 0.4, alumina silicate 0.2, Tween-80 1, PAE wet strength agent 0.5;
(5) after fluffer is discongested, defibrination again, the gained slurry is sized mixing through adding water behind the defibrination, copies paper according to conventional paper technology again to solid content 2-3%, the moulding squeezing, is drying to obtain.
The solid content of described Polyvinylacetate Emulsion Adhesive is 52%.
Described sodium carbonate and potassium permanganate mixed solution are mixed with the liquor potassic permanganate equal-volume of 0.7/L by the sodium carbonate liquor of 9g/L and get.
The concentration of described glacial acetic acid solution is 15%.
Present embodiment maximum diameter of hole 53-55 μ m, average pore size 30-35 μ m becomes the paper air permeability at 80-90L/m
2.S between.
Claims (5)
1. preparation method who contains the cleaner filter paper of nano titanium oxide is characterized in that: may further comprise the steps:
(1) dickite being put into sodium carbonate and potassium permanganate mixed solution soaked after 5-6 hour, take out dry, the aluminium oxide that add Silane coupling agent KH550, the sldium lauryl sulfate that is equivalent to dickite weight 0.3-0.5% be equivalent to dickite weight 0.5-1.2%, is equivalent to dickite weight 0.5-1% ground 1-2 hour after stirring 5-8 minute down in 1400-1500 rev/min, and it is for subsequent use namely to get the modification dickite;
(2) potassic feldspar is put into glacial acetic acid solution and soaked after 4-5 hour, take out washing, in 400-450 ℃ of calcining 4-6 hour, then grind to form nanometer powder again, it is for subsequent use namely to get the modified Nano feldspar in powder
(3) with putting into the pulper size degradation behind 60-65 weight portion wood pulp fibre, the 25-30 weight portion polyster fibre mixing, obtain the slurry that solid content is 5-6%, add again 0.3-0.5 weight portion PAE wet strength agent and continue size degradation, get mixed slurry;
(4) modification dickite, modified Nano feldspar in powder and all the other raw materials are added in step (1) the gained mixed slurry by weight, be heated to 70-80 ℃;
The described cleaner filter paper that contains nano titanium oxide is that the raw material by following weight parts makes: wood pulp fibre 60-65, polyster fibre 25-30, modification dickite 1-3, modified Nano feldspar in powder 1-2, Polyvinylacetate Emulsion Adhesive 1-2, nano titanium oxide 1-2, ammonium dihydrogen phosphate (ADP) 0.5-1, APP 0.3-0.4, alumina silicate 0.1-0.2, Tween-80 1-2, PAE wet strength agent 0.3-0.5;
(5) after fluffer is discongested, defibrination is copied paper according to conventional paper technology again, and moulding is squeezed, is drying to obtain.
2. a kind of preparation method who contains the cleaner filter paper of nano titanium oxide according to claim 1, it is characterized in that: the solid content of described Polyvinylacetate Emulsion Adhesive is 45-52%.
3. a kind of preparation method who contains the cleaner filter paper of nano titanium oxide according to claim 1 is characterized in that: described sodium carbonate and potassium permanganate mixed solution are mixed with the liquor potassic permanganate equal-volume of 0.7-1.0g/L by the sodium carbonate liquor of 7-9g/L and get.
4. a kind of preparation method who contains the cleaner filter paper of nano titanium oxide according to claim 1, it is characterized in that: the concentration of described glacial acetic acid solution is 15-30%.
5. a kind of preparation method who contains the cleaner filter paper of nano titanium oxide according to claim 1 is characterized in that: the gained slurry is sized mixing through adding water behind the defibrination, carries out machine hand's order to solid content 2-3% again.
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| CN201210360428.8A CN102912688B (en) | 2012-09-25 | 2012-09-25 | A kind of preparation method of the cleaner filter paper containing nano titanium oxide |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290733A (en) * | 2013-05-08 | 2013-09-11 | 淮北龙盘工贸有限责任公司 | Modified attapulgite dehumidifying wallpaper |
| CN106590033A (en) * | 2016-12-13 | 2017-04-26 | 北京林业大学 | Novel modified titanium dioxide filler, preparation method and application thereof |
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| JP2007007586A (en) * | 2005-06-30 | 2007-01-18 | Nippon Muki Co Ltd | Filter medium for air filter, and air filter |
| CN102199903A (en) * | 2011-04-13 | 2011-09-28 | 北京联飞翔科技股份有限公司 | Filter paper of energy-saving and environment-friendly filter and making method thereof |
| CN102444054A (en) * | 2011-11-15 | 2012-05-09 | 苏州新业造纸有限公司 | Filter paper for cooling system in wire electrical discharge machining (WEDM) and production method of filter paper |
| CN102500158A (en) * | 2011-11-29 | 2012-06-20 | 无锡格瑞普尔膜科技有限公司 | Preparation method for high-efficiency filter medium with adion exchanging function and membrane filtering function |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1475520A (en) * | 2002-08-15 | 2004-02-18 | 孙建宁 | Sea shell micropowder filler and its use |
| JP2007007586A (en) * | 2005-06-30 | 2007-01-18 | Nippon Muki Co Ltd | Filter medium for air filter, and air filter |
| CN102199903A (en) * | 2011-04-13 | 2011-09-28 | 北京联飞翔科技股份有限公司 | Filter paper of energy-saving and environment-friendly filter and making method thereof |
| CN102444054A (en) * | 2011-11-15 | 2012-05-09 | 苏州新业造纸有限公司 | Filter paper for cooling system in wire electrical discharge machining (WEDM) and production method of filter paper |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103290733A (en) * | 2013-05-08 | 2013-09-11 | 淮北龙盘工贸有限责任公司 | Modified attapulgite dehumidifying wallpaper |
| CN103290733B (en) * | 2013-05-08 | 2016-09-07 | 淮北龙盘工贸有限责任公司 | A kind of attapulgite modified dehumidifying wallpaper |
| CN106590033A (en) * | 2016-12-13 | 2017-04-26 | 北京林业大学 | Novel modified titanium dioxide filler, preparation method and application thereof |
| CN106590033B (en) * | 2016-12-13 | 2018-08-21 | 北京林业大学 | A kind of modifying titanium dioxide filler and its preparation method and application |
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Address after: 233000 Mount Huangshan Road, Bengbu high tech Zone, Anhui, No. 8028 Applicant after: ANHUI PHOENIX FILTER CO., LTD. Address before: 233000 Mount Huangshan Road, Bengbu high tech Zone, Anhui, No. 8028 Applicant before: Bengbu Fenghuang Filters Co., Ltd. |
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