CN103243612A - 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
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- CN103243612A CN103243612A CN2013102132301A CN201310213230A CN103243612A CN 103243612 A CN103243612 A CN 103243612A CN 2013102132301 A CN2013102132301 A CN 2013102132301A CN 201310213230 A CN201310213230 A CN 201310213230A CN 103243612 A CN103243612 A CN 103243612A
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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 nuclear level fiberglass air filter paper with high waterproof energy and preparation method thereof.
Background technology
The glass fibre air filter paper is to be main raw material(s) with the glass fibre, generally adopts wet therapy forming process to make.It has characteristics such as fiber is evenly distributed, dust containing capacity is big, resistance is little, intensity is big, is a kind of desirable air filting material.The glass fibre air filter paper divides to ventilate by filter efficiency uses glass fibre air filter paper (ASHRAE), middle highly-efficient glass fiber air filter paper (HEPA), ultra high efficiency glass fibre air filter paper (ULPA) three big series.Ventilate and be mainly used in common air-conditioning system, gas turbine and air compressor machine with glass fiber filter paper (ASHRAE); 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 the nuclear level is filtered, and refers to remove down in high collection efficiency (〉=99.97%) filter type of the submicron particle of low concentration.The research and development of state's kernel level fiberglass air filter paper at present still are in the starting stage, and domestic nuclear industry company mostly selects for use the glass fibre air filting material of external manufacturer production to be used for filtering the air of high humidity environment; Problems such as and known glass fibre air filting material all exists water repelling property not high enough both at home and abroad at present, and the anti-water time is short, therefore, the glass fibre air filter paper of development high waterproof energy is significant.
Summary of the invention
At the problem that existing glass fibre air filter paper exists, the invention provides a kind of nuclear level fiberglass air filter paper with high waterproof energy and preparation method thereof.
The invention discloses a kind of high anti-water nuclear level fiberglass air filter paper, comprise the glass fibre filter paper and be attached to the anti-water layer on filter paper surface that described filter paper is that the alkali-free glass fibre of 0.1-0.3 μ m, alkali-free glass fibre, diameter that diameter is 0.5-0.7 μ m are that the alkali-free glass fibre of 0.8-1.0 μ m and alkali-free glass long fiber that diameter is 1.4-1.6 μ m make by diameter; Described anti-water 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 μ m: 20～30%;
Diameter is the alkali-free glass fibre of 0.5-0.7 μ m: 50～60%;
Diameter is the alkali-free glass fibre of 0.8-1.0 μ m: 15～20%
Diameter is the alkali-free glass long fiber of 1.4-1.6 μ m: 5-10%.
A kind of method for preparing the anti-water nuclear of described height level fiberglass air filter paper may further comprise the steps:
1) choosing the alkali-free glass fibre that diameter is 0.1-0.3 μ m, the alkali-free glass fibre that diameter is 0.5-0.7 μ m, alkali-free glass fibre, the diameter that diameter is 0.8-1.0 μ m in proportion is the alkali-free glass long fiber of 1.4-1.6 μ m;
2) selected raw material are joined the dispersion of pulling an oar in the aqueous sulfuric acid and obtain slurry, control 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 the step 3) dilution is removed the gred, and carry out wet moulding at oblique net forming paper machine, obtain the glass fibre l Water Paper;
5) dehydration process steps 4) the gained l Water Paper, make moisture percentage＜40% of l Water Paper, dehydration vacuum is 0.05～0.1MPa;
6) mixed emulsion with containing hydrogen silicone oil, acrylic emulsion and water uniformly sprays at step 5) gained wet paper surface;
7) l Water Paper of step 6) is handled by the drying room of 180～250 ° of C is dry.
Further, mixed emulsion concentration is 0.0576-0.05953kg/L in the described step 6), and containing hydrogen silicone oil accounts for the 3-6% of sizing material gross weight in the emulsion.
Beneficial effect of the present invention is: cross-linking reaction can take place the used containing hydrogen silicone oil emulsion of (1) the present invention the anti-water silicon fiml of one deck on the filter paper surface, thereby make it that good WATER RESISTANCE be arranged, anti-static pressure ability and anti-water time are longer than common waterproof filter paper, are applicable to that nuclear industry etc. is to the air filtration in the exigent field of water resistance.(2) the 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 effect excellence.(3) average diameter of the used glass fibre of the present invention is little, and made filter paper hole is little, and specific area is big, the surface smoothness height, and filter paper still can keep good filter effect when glued membrane is attached to its surface uniformly.
The specific embodiment
Further the present invention is illustrated below in conjunction with the embodiment contrast, the following stated umber is parts by mass.
Embodiment 1
The method that present embodiment prepares high anti-water nuclear level fiberglass air filter paper may further comprise the steps:
1) choose 28 parts of the alkali-free glass fibres that diameter is 0.1 μ m, diameter is 52 parts of the alkali-free glass fibres of 0.5 μ m, and diameter is 15 parts of the alkali-free glass fibres of 0.8 μ m, and diameter is 5 parts of the alkali-free glass long fibers of 1.5 μ m;
2) selected raw material are joined the dispersion of pulling an oar in the aqueous sulfuric acid and obtain slurry, control 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 the step 3) dilution is removed the gred, and carry out wet moulding at oblique net forming paper machine, obtain the glass fibre l Water Paper;
5) dehydration process steps 4) the gained l Water Paper, make moisture percentage＜40% of l Water Paper, dehydration vacuum is 0.1MPa;
6) containing hydrogen silicone oil, acrylic emulsion and water are mixed according to a certain percentage, wherein: the containing hydrogen silicone oil emulsion accounts for 6% of containing hydrogen silicone oil and acrylic emulsion gross weight, and mixed emulsion concentration is 0.05953kg/L; Then mixed emulsion is uniformly sprayed on step 5) gained l Water Paper;
7) l Water Paper of step 6) is handled by the drying room of 200 ° of C is dry.
Embodiment 2
The method that present embodiment prepares high anti-water nuclear level fiberglass air filter paper may further comprise the steps:
1) choose 20 parts of the alkali-free glass fibres that diameter is 0.3 μ m, diameter is 57 parts of the alkali-free glass fibres of 0.7 μ m, and diameter is 15 parts of the alkali-free glass fibres of 1.0 μ m, and diameter is 8 parts of the alkali-free glass long fibers of 1.5 μ m;
2) selected raw material are joined the dispersion of pulling an oar in the aqueous sulfuric acid and obtain slurry, control 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 the step 3) dilution is removed the gred, and carry out wet moulding at oblique net forming paper machine, obtain the glass fibre l Water Paper;
5) dehydration process steps 4) the gained l Water Paper, make moisture percentage＜40% of l Water Paper, dehydration vacuum is 0.1MPa;
6) containing hydrogen silicone oil, acrylic emulsion and water are mixed according to a certain percentage, wherein: the containing hydrogen silicone oil emulsion accounts for 3% of containing hydrogen silicone oil and acrylic emulsion gross weight, and mixed emulsion concentration is 0.0576g/L; Then mixed emulsion is uniformly sprayed on step 5) gained l Water Paper;
7) l Water Paper of step 6) is handled by the drying room of 200 ° of C is dry.
Comparing embodiment 1
The difference of present embodiment and embodiment 1 is that present embodiment step 6) mixed emulsion is got according to mixed by common marine glue, acrylic emulsion and water, and wherein: common marine glue accounts for 10% of sizing material total amount, and mixed emulsion concentration is 0.06223kg/L.
The invention will be further described below in conjunction with experimental data: the performance of the anti-waterglass fiber of table 1 reflection embodiment of the invention air filter paper, table 2 is the anti-waterglass fiber of different manufacturers air filter paper performance comparison.
The anti-waterglass fiber of table 1 embodiment of the invention air filter paper performance comparison
| Title | Resistance (Pa) | Efficient (%) | Hydrostatic pressure resistant (Pa) | The anti-water time (h) | Burn mistake rate (%) |
| 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 that by table one embodiment of the invention hydrostatic pressure resistant value is 2.1 times of comparing embodiment, the anti-water time is 3 times of comparing embodiment, and water repelling property is significantly improved.This mainly is because the present invention adopts the containing hydrogen silicone oil emulsion as anti-water layer raw material, and it cross-linking reaction can take place forms the anti-water silicon fiml of one deck on the filter paper surface, thereby makes hydrostatic pressure resistant ability and anti-water time be longer than common waterproof filter paper.
The anti-waterglass fiber of table 2 different manufacturers air filter paper performance comparison
Can be learnt that by table 2 the anti-waterglass fiber of the present invention air filter paper hydrostatic pressure resistant ability is apparently higher than other producer's like products, and resistance and efficient and other producers approach, combination property is more excellent.
This shows that the glass fibre air filter paper that the present invention makes has the waterproof effect of superelevation, its resistance, efficient, mildew-resistant grade, grease proofing grade and known product corresponding index approach, but its hydrostatic pressure resistant value and anti-water time obviously are better than known product.Therefore, the present invention still can keep being better than the filter effect of common waterproof filter paper in rugged environment, can be used for nuclear industry to the demanding air filtration occasion of water resistance.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although by invention has been described with reference to the preferred embodiments of the present invention, but those of ordinary skill in the art is to be understood that, can make various changes to it in the form and details, and not depart from the spirit and scope of the present invention that appended claims limits.
Claims (4)
1. one kind high anti-water is examined the level fiberglass air filter paper, comprise the glass fibre filter paper and be attached to the anti-water layer on filter paper surface, it is characterized in that: described filter paper is that the alkali-free glass fibre of 0.1-0.3 μ m, alkali-free glass fibre, diameter that diameter is 0.5-0.7 μ m are that the alkali-free glass fibre of 0.8-1.0 μ m and alkali-free glass long fiber that diameter is 1.4-1.6 μ m make by diameter; Described anti-water layer is the mixture of hydrogen silicone oil and acrylic emulsion.
2. high anti-water is examined the level fiberglass air filter paper according to claim 1, and it is characterized in that: each constituent mass percentage composition of described filter paper is:
Diameter is the alkali-free glass fibre of 0.1-0.3 μ m: 20～30%;
Diameter is the alkali-free glass fibre of 0.5-0.7 μ m: 50～60%;
Diameter is the alkali-free glass fibre of 0.8-1.0 μ m: 15～20%
Diameter is the alkali-free glass long fiber of 1.4-1.6 μ m: 5-10%.
3. method for preparing as the anti-water nuclear of height as described in the claim 2 level fiberglass air filter paper is characterized in that: may further comprise the steps:
1) choosing alkali-free glass fibre that diameter is 0.1-0.3 μ m, alkali-free glass fibre, diameter that diameter is 0.5-0.7 μ m in proportion is that alkali-free glass fibre and the diameter of 0.8-1.0 μ m is the alkali-free glass long fiber of 1.4-1.6 μ m;
2) selected raw material are joined the dispersion of pulling an oar in the aqueous sulfuric acid and obtain slurry, control 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 the step 3) dilution is removed the gred, and carry out wet moulding at oblique net forming paper machine, obtain the glass fibre l Water Paper;
5) dehydration process steps 4) the gained l Water Paper, make moisture percentage＜40% of l Water Paper, dehydration vacuum is 0.05～0.1MPa;
6) mixed emulsion with containing hydrogen silicone oil, acrylic emulsion and water uniformly sprays at step 5) gained wet paper surface;
7) l Water Paper of step 6) is handled by the drying room of 180～250 ° of C is dry.
4. as the method for the high anti-water nuclear level fiberglass air filter paper of preparation as described in the claim 3, it is characterized in that: mixed emulsion concentration is 0.0576-0.05953kg/L in the described step 6), and containing hydrogen silicone oil accounts for the 3-6% of sizing material gross weight in the emulsion.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541279A (en) * | 2013-11-11 | 2014-01-29 | 重庆再升科技股份有限公司 | Glass fiber air filter paper with high dust holding capacity and production process thereof |
| CN103882780A (en) * | 2014-04-22 | 2014-06-25 | 重庆再升科技股份有限公司 | Antibacterial glass fiber air filtering paper and production method thereof |
| CN103993508A (en) * | 2014-04-22 | 2014-08-20 | 重庆再升科技股份有限公司 | Glass fiber cotton, nuclear glass fiber air filter paper, and making method of nuclear glass fiber air filter paper |
| CN105854413A (en) * | 2016-03-21 | 2016-08-17 | 重庆再升科技股份有限公司 | Air filtration material used for medical infusion and injection equipment and preparation method thereof |
| CN106087582A (en) * | 2016-06-23 | 2016-11-09 | 吴迪 | A kind of preparation method of flame-proof antibiotic composite air filter paper |
| CN106948221A (en) * | 2017-03-30 | 2017-07-14 | 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 |
| CN107574720A (en) * | 2017-10-17 | 2018-01-12 | 成都新柯力化工科技有限公司 | A kind of preparation method for the 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 |
| CN111287018A (en) * | 2020-03-04 | 2020-06-16 | 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 |
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| 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 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541279A (en) * | 2013-11-11 | 2014-01-29 | 重庆再升科技股份有限公司 | Glass fiber air filter paper with high dust holding capacity and production process thereof |
| CN103882780A (en) * | 2014-04-22 | 2014-06-25 | 重庆再升科技股份有限公司 | Antibacterial glass fiber air filtering paper and production method thereof |
| CN103993508A (en) * | 2014-04-22 | 2014-08-20 | 重庆再升科技股份有限公司 | Glass fiber cotton, nuclear glass fiber air filter paper, and making method of nuclear glass fiber air filter paper |
| 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 |
| 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 |
| CN105854413A (en) * | 2016-03-21 | 2016-08-17 | 重庆再升科技股份有限公司 | Air filtration material used for medical infusion and injection equipment and preparation method thereof |
| CN106087582A (en) * | 2016-06-23 | 2016-11-09 | 吴迪 | A kind of preparation method of flame-proof antibiotic composite air filter paper |
| CN106948221A (en) * | 2017-03-30 | 2017-07-14 | 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 |
| 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 |
| CN107574720A (en) * | 2017-10-17 | 2018-01-12 | 成都新柯力化工科技有限公司 | A kind of preparation method for the air filter paper for purifying air |
| 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 |
| CN111287018A (en) * | 2020-03-04 | 2020-06-16 | 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 |
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