CN103243612B - Highly-resistant-to-water core-level glass fiber air filtering paper and preparing method - Google Patents
Highly-resistant-to-water core-level glass fiber air filtering paper and preparing method Download PDFInfo
- Publication number
- CN103243612B CN103243612B CN201310213230.1A CN201310213230A CN103243612B CN 103243612 B CN103243612 B CN 103243612B CN 201310213230 A CN201310213230 A CN 201310213230A CN 103243612 B CN103243612 B CN 103243612B
- Authority
- CN
- China
- Prior art keywords
- alkali
- glass fibre
- diameter
- paper
- free glass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Filtering Materials (AREA)
- Paper (AREA)
Abstract
The invention discloses a piece of highly-resistant-to-water core-level glass fiber air filtering paper. The filtering paper comprises glass fiber filtering paper made from alkali-free glass fiber with the diameter being 0.1-0.3mu m, 0.5-0.7mu m and 0.8-1.0mu m and from alkali-free glass long fiber with the diameter being 1.4-1.6mu m, and a water-resistant layer attached to the face of the filtering paper and formed by hydrogen silicon oil and acrylic emulsion. The invention also discloses a preparing method for the air filtering paper, which comprises the steps of 1, selecting raw materials according to a proportion, 2, performing pulping to disperse the raw materials to obtain pulp, 3, diluting the pulp and adjusting the PH value, 4, performing slag-removing on the pulp in the step 3 and obtaining wet paper by wet forming, 5 dehydrating the wet paper in the step 4, 6, spraying mixing emulsion of the hydrogen silicon oil, the acrylic emulsion and water on the surface of the wet paper in the step 5; and 7, drying the wet paper in the step 6. The glass fiber air filtering paper has excellent water-resistant property and is suitable for severe environment.
Description
Technical field
The present invention relates to a kind of glass fibre air filter paper, particularly a kind of have core level fiberglass air filter paper of high waterproof energy and preparation method thereof.
Background technology
Glass fibre air filter paper take glass fibre as main raw material(s), and the general wet therapy forming process that adopts is made.It has the features such as fiber is evenly distributed, dust containing capacity is large, resistance is little, intensity is large, is a kind of desirable air filting material.Glass fibre air filter paper divides ventilation glass fibre air filter paper (ASHRAE), middle highly-efficient glass fiber air filter paper (HEPA), the large series of ultra high efficiency glass fibre air filter paper (ULPA) three by filter efficiency.Ventilation glass fiber filter paper (ASHRAE) is mainly used in common air-conditioning system, gas turbine and air compressor machine; Middle highly-efficient glass fiber filter paper (HEPA) is mainly used in ten thousand grades ~ 100,000 grades toilets, nuclear power station air draft, high-grade domestic vacuum cleaners, air purifier, breathing mask; Ultra high efficiency glass fibre air filter paper (ULPA) is mainly used in the contour clean room in chip factory.
It is a kind of high-efficiency air filtering that core level is filtered, and refers to the filter type removing the submicron particle of low concentration under high collection efficiency (>=99.97%).The research and development of current state kernel level fiberglass air filter paper are still in the starting stage, and domestic nuclear industry company mostly selects the glass fibre air filting material of external manufacturer production for filtering the air of high humidity environment; And it is not high enough that current glass fibre air filting material known both at home and abroad all exists water repelling property, the problems such as the water resistant time is short, therefore, the glass fibre air filter paper of development high waterproof energy is significant.
Summary of the invention
For existing glass fibre air filter paper Problems existing, the invention provides a kind of have high waterproof can core level fiberglass air filter paper and preparation method thereof.
The invention discloses a kind of high water resistant core level fiberglass air filter paper, comprise glass fiber filter paper and be attached to the water resistant layer of filter paper face, alkali-free glass fibre, diameter that described filter paper is 0.1-0.3 μm by diameter to be alkali-free glass fibre, the diameter of 0.5-0.7 μm the be alkali-free glass fibre of 0.8-1.0 μm and diameter are that the alkali-free glass long fiber of 1.4-1.6 μm obtains; Described water resistant layer is the mixture of hydrogen silicone oil, acrylic emulsion.
Further, each constituent mass percentage composition of described filter paper is:
Diameter is the alkali-free glass fibre of 0.1-0.3 μm: 20 ~ 30%;
Diameter is the alkali-free glass fibre of 0.5-0.7 μm: 50 ~ 60%;
Diameter is the alkali-free glass fibre of 0.8-1.0 μm: 15 ~ 20%
Diameter is the alkali-free glass long fiber of 1.4-1.6 μm: 5-10%.
Prepare a method for described high water resistant core level fiberglass air filter paper, comprise the following steps:
1) alkali-free glass fibre that the alkali-free glass fibre that to choose diameter be in proportion alkali-free glass fibre, the diameter of 0.1-0.3 μm is 0.5-0.7 μm, diameter are 0.8-1.0 μm, diameter are the alkali-free glass long fiber of 1.4-1.6 μm;
2) selected raw material are joined in aqueous sulfuric acid dispersion of pulling an oar and obtain slurry, controlling stock quality concentration is 2.8% ~ 3.2%, and beating degree is 46-50 ° of SR, and pH value is 2.5 ~ 3;
3) thin up step 2) gained slurry to mass concentration is 0.28 ~ 0.32%;
4) with centrifugal slag remover, the slurry after step 3) dilution is removed the gred, and carry out wet moulding on inclined-wire form paper machine, obtain glass fibre l Water Paper;
5) dehydration process steps 4) gained l Water Paper, make the moisture percentage < 40% of l Water Paper, dewatering vacuum degree is 0.05 ~ 0.1MPa;
6) mixed emulsion of containing hydrogen silicone oil, acrylic emulsion and water is uniformly sprayed at step 5) gained wet paper surface;
7) by the drying room drying process of the l Water Paper of step 6) by 180 ~ 250 ° of C.
Further, in described step 6), mixed emulsion concentration is 0.0576-0.05953kg/L, and in emulsion, containing hydrogen silicone oil accounts for the 3-6% of sizing material gross weight.
Beneficial effect of the present invention is: cross-linking reaction can occur (1) the present invention containing hydrogen silicone oil emulsion used has had one deck water resistant silicon fiml at its surface, thus make it have good WATER RESISTANCE, anti-static pressure ability and water resistant time are longer than common waterproof filter paper, are applicable to the air filtration to the exigent field of water resistance such as nuclear industry.(2) hydrogen silicone oil emulsion can dissolve each other with acrylic emulsion, and has filming performance well, and the film surfacing of formation, softness is moderate, tensile strength is high, hydraulic pressure resistance excellent effect.(3) average diameter of the glass fibre that the present invention is used is little, and made filter paper hole is little, and specific area is large, and surface smoothness is high, and when glued membrane is attached to its surface uniformly, filter paper still can keep good filter effect.
Detailed description of the invention
Be illustrated the present invention further below in conjunction with embodiment contrast, the following stated number is parts by mass.
Embodiment 1
The method that the present embodiment prepares high water resistant core level fiberglass air filter paper comprises the following steps:
1) choose the alkali-free glass fibre 28 parts that diameter is 0.1 μm, diameter is the alkali-free glass fibre 52 parts of 0.5 μm, and diameter is the alkali-free glass fibre 15 parts of 0.8 μm, and diameter is the alkali-free glass long fiber 5 parts of 1.5 μm;
2) selected raw material are joined in aqueous sulfuric acid dispersion of pulling an oar and obtain slurry, controlling stock quality concentration is 3%, and beating degree is 48 ° of SR, and pH value is 2.8, and beating time is 30min;
3) thin up step 2) gained slurry to mass concentration is 0.3%;
4) with centrifugal slag remover, the slurry after step 3) dilution is removed the gred, and carry out wet moulding on inclined-wire form paper machine, obtain glass fibre l Water Paper;
5) dehydration process steps 4) gained l Water Paper, make the moisture percentage < 40% of l Water Paper, dewatering vacuum degree is 0.1MPa;
6) containing hydrogen silicone oil, acrylic emulsion and water are mixed according to a certain percentage, wherein: containing hydrogen silicone oil emulsion accounts for 6% of containing hydrogen silicone oil and acrylic emulsion gross weight, mixed emulsion concentration is 0.05953kg/L; Then mixed emulsion is uniformly sprayed on step 5) gained l Water Paper;
7) by the drying room drying process of the l Water Paper of step 6) by 200 ° of C.
Embodiment 2
The method that the present embodiment prepares high water resistant core level fiberglass air filter paper comprises the following steps:
1) choose the alkali-free glass fibre 20 parts that diameter is 0.3 μm, diameter is the alkali-free glass fibre 57 parts of 0.7 μm, and diameter is the alkali-free glass fibre 15 parts of 1.0 μm, and diameter is the alkali-free glass long fiber 8 parts of 1.5 μm;
2) selected raw material are joined in aqueous sulfuric acid dispersion of pulling an oar and obtain slurry, controlling stock quality concentration is 3%, and beating degree is 48 ° of SR, and pH value is 2.8, and beating time is 30min;
3) thin up step 2) gained slurry to mass concentration is 0.3%;
4) with centrifugal slag remover, the slurry after step 3) dilution is removed the gred, and carry out wet moulding on inclined-wire form paper machine, obtain glass fibre l Water Paper;
5) dehydration process steps 4) gained l Water Paper, make the moisture percentage < 40% of l Water Paper, dewatering vacuum degree is 0.1MPa;
6) containing hydrogen silicone oil, acrylic emulsion and water are mixed according to a certain percentage, wherein: containing hydrogen silicone oil emulsion accounts for 3% of containing hydrogen silicone oil and acrylic emulsion gross weight, mixed emulsion concentration is 0.0576g/L; Then mixed emulsion is uniformly sprayed on step 5) gained l Water Paper;
7) by the drying room drying process of the l Water Paper of step 6) by 200 ° of C.
Comparing embodiment 1
The present embodiment and the difference of embodiment 1 are that the present embodiment step 6) mixed emulsion is obtained according to mixing by common marine glue, acrylic emulsion and water, and wherein: common marine glue accounts for 10% of sizing material total amount, mixed emulsion concentration is 0.06223kg/L.
Below in conjunction with experimental data, the invention will be further described: table 1 reflects the performance of embodiment of the present invention water resistant glass fibre air filter paper, and table 2 is different manufacturers water resistant glass fibre air filter paper performance comparison.
Table 1 embodiment of the present invention water resistant glass fibre air filter paper performance comparison
| Title | Resistance (Pa) | Efficiency (%) | Hydrostatic pressure resistant (Pa) | Water resistant time (h) | Burn tinctuer (%) |
| Comparing embodiment 1 | 310 | 99.973 | 3800 | 12 | 10.02 |
| Embodiment 1 | 312 | 99.984 | 8500 | 48 | 10.37 |
| Embodiment 2 | 308 | 99.982 | 8200 | 48 | 9.69 |
Can be learnt by table one, embodiment of the present invention hydrostatic pressure resistant value is 2.1 times of comparing embodiment, and the water resistant time is 3 times of comparing embodiment, and water repelling property is significantly improved.This is mainly because the present invention adopts containing hydrogen silicone oil emulsion as water resistant layer raw material, and it cross-linking reaction can occur and forms one deck water resistant silicon fiml at its surface, thus makes hydrostatic pressure resistant ability and water resistant time be longer than common waterproof filter paper.
Table 2 different manufacturers water resistant glass fibre air filter paper performance comparison
Can be learnt by table 2, water resistant glass fibre air filter paper hydrostatic pressure resistant ability of the present invention apparently higher than other producer's like products, and resistance and efficiency and other producers close, combination property is more excellent.
As can be seen here, the glass fibre air filter paper that the present invention obtains has the waterproof effect of superelevation, and its resistance, efficiency, mildew-resistant grade, grease proofing grade and known product corresponding index are close, but its hydrostatic pressure resistant value and water resistant time are obviously better than known product.Therefore, the present invention still can keep the filter effect being better than common waterproof filter paper in rugged environment, can be used for nuclear industry and requires high air filtration applications to water resistance.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although by referring to the preferred embodiments of the present invention, invention has been described, but those of ordinary skill in the art is to be understood that, various change can be made to it in the form and details, and not depart from the spirit and scope of the present invention that appended claims limits.
Claims (3)
1. one kind high water resistant core level fiberglass air filter paper, comprise glass fiber filter paper and be attached to the water resistant layer of filter paper face, it is characterized in that: alkali-free glass fibre, diameter that described filter paper is 0.1-0.3 μm by diameter to be alkali-free glass fibre, the diameter of 0.5-0.7 μm the be alkali-free glass fibre of 0.8-1.0 μm and diameter are that the alkali-free glass long fiber of 1.4-1.6 μm obtains; Described water resistant layer is the mixture of hydrogen silicone oil and acrylic emulsion;
Wherein, in described filter paper, each glass fibre accounts for glass fibre gross weight and is respectively:
Diameter is the alkali-free glass fibre of 0.1-0.3 μm: 20 ~ 30%;
Diameter is the alkali-free glass fibre of 0.5-0.7 μm: 50 ~ 60%;
Diameter is the alkali-free glass fibre of 0.8-1.0 μm: 15 ~ 20%
Diameter is the alkali-free glass long fiber of 1.4-1.6 μm: 5-10 %;
Described air filter paper adopts wet moulding, and time shaping, the beating degree of glass fibre is 46-50 ° of SR, and slurry sizing mass concentration is 0.28 ~ 0.32%.
2. prepare a method for high water resistant core level fiberglass air filter paper as claimed in claim 1, it is characterized in that: comprise the following steps:
1) to choose diameter be in proportion alkali-free glass fibre, the diameter of 0.1-0.3 μm to be alkali-free glass fibre, the diameter of 0.5-0.7 μm the be alkali-free glass fibre of 0.8-1.0 μm and diameter are the alkali-free glass long fiber of 1.4-1.6 μm;
2) selected raw material are joined in aqueous sulfuric acid dispersion of pulling an oar and obtain slurry, controlling stock quality concentration is 2.8% ~ 3.2%, and beating degree is 46-50 ° of SR, and pH value is 2.5 ~ 3;
3) thin up step 2) gained slurry to mass concentration is 0.28 ~ 0.32%;
4) with centrifugal slag remover, the slurry after step 3) dilution is removed the gred, and carry out wet moulding on inclined-wire form paper machine, obtain glass fibre l Water Paper;
5) dehydration process steps 4) gained l Water Paper, make the moisture percentage < 40% of l Water Paper, dewatering vacuum degree is 0.05 ~ 0.1MPa;
6) mixed emulsion of containing hydrogen silicone oil, acrylic emulsion and water is uniformly sprayed at step 5) gained wet paper surface;
7) by the drying room drying process of the l Water Paper of step 6) by 180 ~ 250 ° of C.
3. prepare the method for high water resistant core level fiberglass air filter paper as claimed in claim 2, it is characterized in that: in described step 6), mixed emulsion concentration is 0.0576-0.05953kg
/l, in emulsion, containing hydrogen silicone oil accounts for the 3-6% of sizing material gross weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310213230.1A CN103243612B (en) | 2013-05-31 | 2013-05-31 | Highly-resistant-to-water core-level glass fiber air filtering paper and preparing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310213230.1A CN103243612B (en) | 2013-05-31 | 2013-05-31 | Highly-resistant-to-water core-level glass fiber air filtering paper and preparing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103243612A CN103243612A (en) | 2013-08-14 |
| CN103243612B true CN103243612B (en) | 2015-07-15 |
Family
ID=48923465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310213230.1A Active CN103243612B (en) | 2013-05-31 | 2013-05-31 | Highly-resistant-to-water core-level glass fiber air filtering paper and preparing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103243612B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541279B (en) * | 2013-11-11 | 2016-05-25 | 重庆再升科技股份有限公司 | A kind of high dust containing capacity glass fibre air filter paper and production technology |
| CN103882780B (en) * | 2014-04-22 | 2016-04-20 | 重庆再升科技股份有限公司 | Antibacterial glass fiber air filter paper and production method thereof |
| CN103993508B (en) * | 2014-04-22 | 2015-11-18 | 重庆再升科技股份有限公司 | The method of the air filter paper of glass fibre cotton, core level fiberglass air filter paper and manufacture core level fiberglass |
| CN105854413B (en) * | 2016-03-21 | 2018-02-13 | 重庆再升科技股份有限公司 | The preparation method of air filting material used in a kind of medical infusion note utensil |
| CN106087582A (en) * | 2016-06-23 | 2016-11-09 | 吴迪 | A kind of preparation method of flame-proof antibiotic composite air filter paper |
| CN106948221B (en) * | 2017-03-30 | 2018-08-03 | 重庆再升科技股份有限公司 | A kind of High dust holding quantity of fluid filter composite material and preparation method thereof |
| CN107574720B (en) * | 2017-10-17 | 2020-02-18 | 湖南正佳特种材料有限公司 | Preparation method of air filter paper for purifying air |
| CN110201455A (en) * | 2019-06-04 | 2019-09-06 | 飞潮（无锡）过滤技术有限公司 | A kind of glass fibre Compound filtering material and preparation method thereof for nuclear power liquid waste processing |
| CN111287018B (en) * | 2020-03-04 | 2022-04-12 | 山东华溢新材料科技有限公司 | Special glass fiber filter paper for civil air defense and preparation method thereof |
| CN115948940A (en) * | 2022-12-05 | 2023-04-11 | 南京玻璃纤维研究设计院有限公司 | Preparation method of salt spray filter paper and salt spray filter paper |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59203738A (en) * | 1983-05-06 | 1984-11-17 | Nippon Shokubai Kagaku Kogyo Co Ltd | Binder for glass fiber |
| CN101644012A (en) * | 2009-08-10 | 2010-02-10 | 重庆再升科技发展有限公司 | Preparation method of ULPA ultra performance air filter material |
| CN101725086A (en) * | 2009-12-11 | 2010-06-09 | 中材科技股份有限公司 | High-temperature resistant air filter paper and preparation method thereof |
| CN103031781A (en) * | 2012-11-19 | 2013-04-10 | 中材科技股份有限公司 | Preparation method of glass fiber air filter paper with low solid phase ratio |
-
2013
- 2013-05-31 CN CN201310213230.1A patent/CN103243612B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59203738A (en) * | 1983-05-06 | 1984-11-17 | Nippon Shokubai Kagaku Kogyo Co Ltd | Binder for glass fiber |
| CN101644012A (en) * | 2009-08-10 | 2010-02-10 | 重庆再升科技发展有限公司 | Preparation method of ULPA ultra performance air filter material |
| CN101725086A (en) * | 2009-12-11 | 2010-06-09 | 中材科技股份有限公司 | High-temperature resistant air filter paper and preparation method thereof |
| CN103031781A (en) * | 2012-11-19 | 2013-04-10 | 中材科技股份有限公司 | Preparation method of glass fiber air filter paper with low solid phase ratio |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103243612A (en) | 2013-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103243612B (en) | Highly-resistant-to-water core-level glass fiber air filtering paper and preparing method | |
| CN108842503B (en) | High-humidity-resistant glass fiber air filter paper and preparation method thereof | |
| CN102505554B (en) | High-strength glass fiber air filter paper | |
| CN102912686B (en) | Filter paper for air filter containing modified nano bamboo charcoal powder | |
| CN103541279B (en) | A kind of high dust containing capacity glass fibre air filter paper and production technology | |
| CN104060497A (en) | High-performance light-weight air filtering paper and preparation method thereof | |
| CN104131491B (en) | A kind of high strength glass fiber filter paper and manufacture method thereof | |
| CN103882780B (en) | Antibacterial glass fiber air filter paper and production method thereof | |
| CN103711022B (en) | A kind of carbon fiber high-strength fluting medium and preparation method thereof | |
| CN102872651B (en) | High-filtering precision filter paper of filter for hemp pulp | |
| CN102357321B (en) | PTFE (polytetrafluoroethylene) composite filtering material and its manufacturing method | |
| CN102877371B (en) | Nano montmorillonite powder-containing filter paper for filter | |
| CN102877375B (en) | A kind of preparation method of the filter paper for air filter containing modified kaolin | |
| CN111254753B (en) | Efficient water-resistant air filtering material and preparation method thereof | |
| CN102877373A (en) | Preparation method for modified nacrite-containing filter paper for fuel filter | |
| CN102995500A (en) | Activated carbon filter paper and preparation method thereof | |
| CN112252085B (en) | High-temperature-resistant flame-retardant automobile air filter paper and preparation method and application thereof | |
| CN104213470A (en) | Glass fiber air filter paper repeatedly cleaned and preparation method of glass fiber air filter paper | |
| CN103031781B (en) | Preparation method of glass fiber air filter paper with low solid phase ratio | |
| CN108486671A (en) | A kind of high water-retention plant cellulose micro-/ nano fibril and the preparation method and application thereof | |
| CN103276629A (en) | Glass fiber air filter paper with antibacterial property and preparation method thereof | |
| CN104250943A (en) | Process and corresponding system for manufacturing bobbin paper | |
| CN109736136B (en) | Water-absorbing oil-resistant filter paper and preparation method and application thereof | |
| CN102877374B (en) | Polytetrafluoroethylene fiber flame retardant filter paper | |
| CN113150308A (en) | Method for preparing lignin asphalt emulsifier from soda pulping waste liquor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |