CN103721477A - High-strength glass fiber air filter paper and preparation method thereof - Google Patents
High-strength glass fiber air filter paper and preparation method thereof Download PDFInfo
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- CN103721477A CN103721477A CN201310142585.6A CN201310142585A CN103721477A CN 103721477 A CN103721477 A CN 103721477A CN 201310142585 A CN201310142585 A CN 201310142585A CN 103721477 A CN103721477 A CN 103721477A
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Abstract
The invention discloses high-strength glass fiber air filter paper and a preparation method thereof. The air filter paper comprises glass fibers and an adhesive, wherein the glass fibers are randomly and uniformly distributed in a plane, micron-sized holes are formed among the plurality of glass fibers, and the adhesive is used for coating interlacing points among the glass fibers to form a net-shaped connecting surface; the glass fibers comprise short cut glass fibers with the diameters of 6 microns to 20 microns and/or glass cotton fibers with the diameters of 1 micron to 10 microns; the adhesive comprises inorganic silica gel, colloidal alumina or combination of the inorganic silica gel and the colloidal alumina. The air filter paper has the advantages of sufficient strength and excellent gas-liquid and liquid-liquid separation performance at normal and high temperatures and capability of resisting multi-time invasion and attack of wind speed and flow rate; in addition, the air filter paper can be used as a heat-insulated element or a heat-insulated filler in the fields of building, machinery, heat energy and the like, and also can be used as an air purification device.
Description
Technical field
The present invention relates to a kind of high-strength glass fiber air filter paper and preparation method thereof.
Background technology
All-glass paper/felt has fabulous fire-retardant, sound-absorbing, heat-insulating property, possesses light weight, the advantage such as inexpensive simultaneously.At present, all-glass paper is widely used in fields such as household decoration, building external wall energy-saving insulation, air cleanings.Glass fibre air filter paper is the key components of filtering element for air filter, and the performances such as its thickness, grammes per square metre, intensity, rigidity have determined the performance of air cleaner.Glass fibre air filter paper is mainly used in the air filtration under particular surroundings, the oil molecule spreading is stopped by air filting material or be trapped in outside in air, protects the space that is subject to oil molecule contaminated environment.Because filter is that glass fibre air filter paper is converted into filter core through discounting, machine, through PUR is fixed-type, be fixed on housing, therefore the thickness of glass fibre air filter paper, intensity must meet the requirement of filter applying working condition, make filter be suitable for different wind speed, flow, be applicable to different environment temperature requirements.
Hong Kong Shang Longmeng environmental protection temperature (group) Co., Ltd is the manufacture method that discloses a kind of environment protecting paper in the patent of invention of CN 1105636 at publication number.The method is pushed mixing polymerization granulation shape material by the composition by natural inorganic breeze, polyethylene and auxiliary agent through mixing, drop into shape film forming pipe in paper film maker, process is filled compressed air, film pipe drawing process has been made a kind of environment protecting paper with two-way tissue intensity.
Wang Jinfu discloses a kind of filter paper for oil being comprised of inorfil, wood pulp cellulose and resin in the patent of invention of CN 101172206 B.This filter paper for oil filtering accuracy, gas permeability, water imbibition, intensity have all obtained very large improvement.
Li Meixiang discloses the fillers such as a kind of employing Paris white and has joined in high molecular polymer, high-temperature fibre on publication number is the patent of invention of CN 101649087 B, by height, mixes the extrusion coating paper that banburying prilling is prepared.The standby extrusion coating paper of this legal system can be realized multiple interfaces and sided corona treatment, has good printability and coating adhesive force.
Air filter paper used is limited to the centrifugation of oil material in the market.Once use conventional air filter paper, oil molecule easily stops up hole, or is attached to filter material surface, makes filtering material resistance increment cause filter energy consumption to increase, or because resistance is excessive, causes the impaired and greasy dirt of filter to enter protected field.Meanwhile, in the environment that makes moist, easily grow fungi, can cause shielded environment to pass protective layer at long-term high pressure air quantity, enter shielded environment, cause environmental pollution.In addition, because the environment that makes moist easily allows filtrate make moist, intensity declines, and causes greatly reduce the service life of air filter paper.
In addition, along with people's improving constantly environmental requirement, the application of air cleaner constantly expands, applying working condition is also more and more severe, the originally operating mode of normal temperature, is developed to the operating mode of 250 ℃ that environment temperature is the highest, therefore, require air filter paper mainly take wet moulding as main, intensity also needs to meet certain requirement.The intensity of glass fibre filter paper depends on the power that is interweaved of fiber in forming process and the use of adhesive.Glass fibre can bear 600 ℃ of above high temperature, therefore by the intensity of fiber interweaving along with the rising of temperature can not be lost.And at the organic binder bond of use, 200 ℃ of left and right, just can decompose at present, cause air filter paper to lose most intensity, the invasion and attack that can not possess enough intensity and resist wind speed, flow.The adhesive of other types may meet the requirement of worst hot case, but can make the filter effect of filter reduce.
Summary of the invention
Technical problem to be solved by this invention is to overcome the shortcomings such as existing all-glass paper intensity low and high temperature filter effect is bad, a kind of high-strength glass fiber air filter paper and preparation method thereof is provided, this kind of high-strength glass fiber air filter paper can be used as heat insulating element or the thermal insulating filling in the fields such as building, machinery, heat energy, also can be for air cleaning unit.
For addressing the above problem, the invention provides a kind of high-strength glass fiber air filter paper, this high-strength glass fiber air filter paper is comprised of glass fibre and adhesive, described glass fibre is uniform random distribution in a plane, between multiple glass fibres, form micron-sized gap, adhesive wraps on the intertwined point between glass fibre, forms netted joint face.Glass fibre is comprised of glass chopped silk and/or glass fibre cotton, and adhesive is combined by inorganic silica gel or colloidal state alumina or they.
The present invention also provides a kind of preparation method of above-mentioned high-strength glass fiber air filter paper, it is characterized in that comprising the step of following order:
(1) glass fibre is joined in beater and disperseed, take water as dispersant with solvent, glass fibre raw material is dissociated into cotton pulp;
(2) cotton pulp, plain boiled water solution are delivered to the processing of stirring and remove the gred in pond with slurry, solid content in slurry is controlled at 0.1%～0.3% (weight), viscosity is controlled at 8CP～12CP, and PH is controlled at 4～8, and air content is controlled at 4%～10%;
(3) mixed slurry stirring is delivered on the screen pack of twin-wire press and manufactures paper with pulp, THICKNESS CONTROL between 0.1～2mm, the gains of manufacturing paper with pulp carry out vacuum draw dewater and squeeze after make ground paper;
(4) adhesive is diluted to 5～20 times, sprinkling or overflow put on glass fibre ground paper equably, and unnecessary adhesive is aspirated by suction box, after knockout drum separates, comes back in circulation glue tank;
(5) glass fibre ground paper after treatment applying glue is entered to oven for drying, 10～30 meters of baking oven length, baking oven central temperature is between 200～350 ℃, baking oven entrance and baking oven outlet are semiclosed, in whole baking oven, the low feature in high both sides in the middle of temperature presents according to length direction, drying time is controlled between 5～25min;
(6) dried paper is cut, obtain the glass fibre finished paper of different size and model.
Glass chopped filament diameter described in the present invention is between 4 μ m～20 μ m, and glass fibre cotton diameter is between 0.5 μ m～6 μ m.Plain boiled water solution is mixed by pure water, thickener, dispersant, defoamer, it is characterized in that thickener is comprised of hydroxyethylcellulose, and dispersant is comprised of aliphatic acid condensation polymer, and defoamer is comprised of Agitan295.The thickness of the high-strength glass fiber air filter paper preparing is between 0.05mm～2mm.In order to realize the filter effect of different brackets of the present invention, the beating degree of above-mentioned glass fibre is 10～80 ° of SR.
Compared with existing glass fibre air filter paper and preparation method thereof, the invention has the advantages that: in (1) a kind of high-strength glass fiber air filter paper of the present invention and preparation method thereof, added inorganic silica gel or colloidal state alumina, make glass fibre air paper can under normal temperature and high temperature, possess enough strength characters, can be more than or equal to continuous operation at 250 ℃; (2) possess excellent gas-liquid and separate and liquid-liquid separating power, and there is good self-cleaning ability; (3) long service life, glass fibre bonding is firm, the repeatedly invasion and attack that can resist wind speed, flow.
Specific implementation method
Below in conjunction with specific embodiment, further illustrate the present invention, should understand these embodiment is only not used in and limits the scope of the invention for the present invention is described, after having read the present invention, those skilled in the art all fall within the application's claims to the modification of the various equivalent form of values of the present invention and limit.
Embodiment 1
Glass fibre is joined in beater and disperseed, take water as dispersant with solvent, microglass fiber raw material is dissociated into cotton pulp;
Cotton pulp, plain boiled water solution are delivered to the processing of stirring and remove the gred in pond with slurry, and the solid content in slurry is controlled at 0.2% (weight), and viscosity is controlled at 8CP, and PH is controlled at 8, and air content is controlled at 8%;
The mixed slurry stirring is delivered on the screen pack of twin-wire press and manufactures paper with pulp, THICKNESS CONTROL between 0.5mm, the gains of manufacturing paper with pulp carry out vacuum draw dewater and squeeze after make ground paper;
Adhesive is diluted to 20 times, and sprinkling or overflow put on glass fibre ground paper equably, and unnecessary adhesive is aspirated by suction box, after knockout drum separates, comes back in circulation glue tank;
Glass fibre ground paper after treatment applying glue is entered to oven for drying, 20 meters of baking oven length, baking oven central temperature is between 300 ℃, baking oven entrance and baking oven outlet are semiclosed, in whole baking oven, the low feature in high both sides in the middle of temperature presents according to length direction, drying time is controlled between 20min;
Dried paper is cut, obtain the glass fibre finished paper of different size and model.
In the present embodiment, plain boiled water is recycled, there is the feature of environmental protection.The porosity of a kind of high-strength glass fiber air filter paper preparing and preparation method thereof is 92%, and hole is little and be evenly distributed in paper inside.
Embodiment 2
(1) glass fibre is joined in beater and disperseed, take water as dispersant with solvent, microglass fiber raw material is dissociated into cotton pulp;
(2) cotton pulp, plain boiled water solution are delivered to the processing of stirring and remove the gred in pond with slurry, the solid content in slurry is controlled at 0.2% (weight), and viscosity is controlled at 9CP, and PH is controlled at 7, and air content is controlled at 9%;
(3) mixed slurry stirring is delivered on the screen pack of twin-wire press and manufactures paper with pulp, THICKNESS CONTROL between 0.1mm, the gains of manufacturing paper with pulp carry out vacuum draw dewater and squeeze after make ground paper;
(4) adhesive is diluted to 10 times, sprinkling or overflow put on glass fibre ground paper equably, and unnecessary adhesive is aspirated by suction box, after knockout drum separates, comes back in circulation glue tank;
(5) glass fibre ground paper after treatment applying glue is entered to oven for drying, 20 meters of baking oven length, baking oven central temperature is between 350 ℃, baking oven entrance and baking oven outlet are semiclosed, in whole baking oven, the low feature in high both sides in the middle of temperature presents according to length direction, drying time is controlled between 15min;
(6) dried paper is cut, obtain the glass fibre finished paper of different size and model.
Above are only several specific embodiment of the present invention, but design concept of the present invention is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the present invention, all should belong to the behavior of invading the scope of protection of the invention.
Claims (6)
1. a high-strength glass fiber air filter paper, it is characterized in that being formed by glass fibre and adhesive, described glass fibre is uniform random distribution in a plane, between multiple glass fibres, form micron-sized gap, adhesive wraps on the intertwined point between glass fibre, forms netted joint face.
2. high-strength glass fiber air filter paper according to claim 1, is characterized in that described glass fibre is comprised of glass chopped silk, and diameter is between 4 μ m～20 μ m.
3. high-strength glass fiber air filter paper according to claim 1, is characterized in that described glass fibre is comprised of microglass fiber, and diameter is between 0.5 μ m～6 μ m.
4. high-strength glass fiber air filter paper according to claim 1, is characterized in that adhesive combining by inorganic silica gel or colloidal state alumina or they.
5. there is a preparation method for high-strength glass fiber air filter paper, it is characterized in that comprising the step of following order:
(1) glass fibre is joined in beater and disperseed, take water as dispersant with solvent, glass fibre raw material is dissociated into cotton pulp;
(2) cotton pulp, plain boiled water solution are delivered to the processing of stirring and remove the gred in pond with slurry, solid content in slurry is controlled at 0.1%～0.3% (weight), viscosity is controlled at 8CP～12CP, and PH is controlled at 4～8, and air content is controlled at 4%～10%;
(3) mixed slurry stirring is delivered on the screen pack of twin-wire press and manufactures paper with pulp, THICKNESS CONTROL between 0.1～2mm, the gains of manufacturing paper with pulp carry out vacuum draw dewater and squeeze after make ground paper;
(4) adhesive is diluted to 5～20 times, sprinkling or overflow put on glass fibre ground paper equably, and unnecessary adhesive is aspirated by suction box, after knockout drum separates, comes back in circulation glue tank;
(5) glass fibre ground paper after treatment applying glue is entered to oven for drying, 10～30 meters of baking oven length, baking oven central temperature is between 200～350 ℃, baking oven entrance and baking oven outlet are semiclosed, in whole baking oven, the low feature in high both sides in the middle of temperature presents according to length direction, drying time is controlled between 5～25min;
(6) dried paper is cut, obtain the glass fibre finished paper of different size and model.
6. plain boiled water solution according to claim 4 is mixed by pure water, thickener, dispersant, defoamer, it is characterized in that thickener is comprised of hydroxyethylcellulose, and dispersant is comprised of aliphatic acid condensation polymer, and defoamer is comprised of Agitan295.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310142585.6A CN103721477A (en) | 2013-04-22 | 2013-04-22 | High-strength glass fiber air filter paper and preparation method thereof |
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| CN201310142585.6A CN103721477A (en) | 2013-04-22 | 2013-04-22 | High-strength glass fiber air filter paper and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105128360A (en) * | 2015-07-30 | 2015-12-09 | 成都新柯力化工科技有限公司 | Flexible inorganic fiber paper and making method thereof |
| CN105821710A (en) * | 2016-04-22 | 2016-08-03 | 苏州派欧技术咨询服务有限公司 | Hydrophobic filter paper and preparation method thereof |
| CN106120466A (en) * | 2016-07-01 | 2016-11-16 | 昆明纳太科技有限公司 | High-temp. resistant air filter paper and preparation method thereof |
| CN107303449A (en) * | 2016-04-22 | 2017-10-31 | 太仓派欧技术咨询服务有限公司 | A kind of flexible filter paper |
| CN108797209A (en) * | 2018-06-28 | 2018-11-13 | 重庆纤维研究设计院股份有限公司 | A kind of low boron filter paper and preparation method thereof |
| CN108842506A (en) * | 2018-06-20 | 2018-11-20 | 山东鲁阳节能材料股份有限公司 | A kind of inorganic fibre paper and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088198A (en) * | 2013-03-24 | 2014-10-08 | 苏州维艾普新材料股份有限公司 | High-strength glass fiber-made air-filter paper and preparation method thereof |
-
2013
- 2013-04-22 CN CN201310142585.6A patent/CN103721477A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088198A (en) * | 2013-03-24 | 2014-10-08 | 苏州维艾普新材料股份有限公司 | High-strength glass fiber-made air-filter paper and preparation method thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105128360A (en) * | 2015-07-30 | 2015-12-09 | 成都新柯力化工科技有限公司 | Flexible inorganic fiber paper and making method thereof |
| CN105821710A (en) * | 2016-04-22 | 2016-08-03 | 苏州派欧技术咨询服务有限公司 | Hydrophobic filter paper and preparation method thereof |
| CN107303449A (en) * | 2016-04-22 | 2017-10-31 | 太仓派欧技术咨询服务有限公司 | A kind of flexible filter paper |
| CN106120466A (en) * | 2016-07-01 | 2016-11-16 | 昆明纳太科技有限公司 | High-temp. resistant air filter paper and preparation method thereof |
| CN106120466B (en) * | 2016-07-01 | 2018-10-30 | 昆明纳太科技有限公司 | High-temp. resistant air filter paper and preparation method thereof |
| CN108842506A (en) * | 2018-06-20 | 2018-11-20 | 山东鲁阳节能材料股份有限公司 | A kind of inorganic fibre paper and preparation method thereof |
| CN108842506B (en) * | 2018-06-20 | 2021-03-09 | 山东鲁阳节能材料股份有限公司 | Inorganic fiber paper and preparation method thereof |
| CN108797209A (en) * | 2018-06-28 | 2018-11-13 | 重庆纤维研究设计院股份有限公司 | A kind of low boron filter paper and preparation method thereof |
| CN108797209B (en) * | 2018-06-28 | 2021-07-20 | 重庆纤维研究设计院股份有限公司 | Low-boron filter paper and preparation method thereof |
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Application publication date: 20140416 |