CN103566658B - Membrane composite filtration material and its processing technology - Google Patents
Membrane composite filtration material and its processing technology Download PDFInfo
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- CN103566658B CN103566658B CN201210249743.3A CN201210249743A CN103566658B CN 103566658 B CN103566658 B CN 103566658B CN 201210249743 A CN201210249743 A CN 201210249743A CN 103566658 B CN103566658 B CN 103566658B
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Abstract
The invention discloses a membrane composite filtration material, which includes a substrate. One side of the substrate is provided with a film layer, a bonding layer is coated between the substrate and the film layer and connects the substrate with the film layer. The other side of the substrate is provided with a waterproof layer, and the free side of the film layer is also provided with a waterproof layer. According to the membrane composite filtration material and its processing technology provided by the invention, the film layer and the substrate are firstly bonded, and then the waterproof layer is arranged outside the film layer so as to make the substrate and the film layer achieve good bonding performance. Thus, the waterproof performance of the filter material is ensured, and the resistance is also reduced when the filtration efficiency is guaranteed.
Description
Technical field
The present invention relates to a kind of airfiltering filtering material, be specifically related to a kind of film composite filtering materials and processing technology thereof.
Background technology
Flue dust, SO is mainly contained at the pollutant of some circumstance complications (high temperature, high humidity, high corrosion etc.) operating mode discharge
2, SO
3(namely causing the main composition of low-temperature-acid-corrosion), NO
x, HF, CO
2, N
2, H
2o etc.Be characterized in that flue gas corrosion is large, water capacity is large, dust specific resistance is large, fine dust is many, and the mist of oil contained in partial fume, the stickums such as trickle floccule are easily attached on filtrate and cause filter clogging.Therefore, the selection of filtrate is had higher requirement.
At present, existing filtering material is all first carry out water-proofing treatment, carry out film Combined Processing again, such thin layer is just compounded in the outside of watertight composition, film and base material are fitted loosely, and meanwhile, the steam in air also can be attached to the surface of film, make this filtering material permeability bad, thus also have influence on osmotic resistance.
Therefore, a kind of can make film adhered firmly, permeability better, waterproof is comparatively strong, resistance is less film composite filtering materials and processing technology thereof urgently occur.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide a kind of can make film adhered firmly, permeability better, waterproof is comparatively strong, resistance is less film composite filtering materials.
For achieving the above object, technical scheme of the present invention is as follows: a kind of film composite filtering materials, comprise base material, described base material side is provided with thin layer, adhesive layer is coated with between described base material and described thin layer, described base material is connected with described thin layer by described adhesive layer, and the opposite side of described base material is provided with watertight composition, is also provided with watertight composition on the scope of freedom of described thin layer.
Preferably, described base material is non-woven fabrics.
Preferably, described adhesive layer is layer of polyurethane.
Preferably, described watertight composition is fluorine-containing watertight composition.
Preferably, described fluorine-containing watertight composition is polytetrafluoroethylene (PTFE) watertight composition.
Preferably, described thin layer is a transparent thin film layer.
Present invention also offers a kind of processing technology of film composite filtering materials, comprise the following steps:
(1) by upper glue roller, gluing is carried out to base material side, make glue be coated on substrate surface uniformly, form adhesive layer;
(2) on the base material of coated glue, film is covered with;
(3) carry out pressing by drier roll to film and base material, pressing-in temp is no more than 300 DEG C, and pressing pressure is no more than 6kg/N;
(4) water-proofing treatment is carried out to the material after above-mentioned pressing, waterproofing agent is sprayed at above-mentioned material surface;
(5) above-mentioned semi-finished product after water-proofing treatment are reached 8kg/N by roll shaft extruding, bake out temperature controls, at 150 DEG C-200 DEG C, to obtain finished product.
Preferably, described adhesive layer includes polyurethane.
Preferred described waterproofing agent comprises polytetrafluoroethylene (PTFE) and water, and described polytetrafluoroethylene (PTFE) and water are prepared according to the ratio that volume ratio is 1:4.
Pass through technique scheme, the beneficial effect of technical solution of the present invention is: a kind of film composite filtering materials, comprise base material, described base material side is provided with thin layer, adhesive layer is coated with between described base material and described thin layer, described base material is connected with described thin layer by described adhesive layer, and the opposite side of described base material is provided with watertight composition, is also provided with watertight composition on the scope of freedom of described thin layer; Adopt film composite filtering materials provided by the present invention and processing technology thereof, by described thin layer and described base material are first bonded, again described watertight composition is arranged at the outside of described thin layer, make the bond properties of base material and described thin layer better, ensure that the water resistance of described filtering material, resistance can also be decreased while guarantee filter efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in embodiment of the present invention technology, be briefly described to the accompanying drawing used required in the description of embodiment technology below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the embodiment 1 of a kind of film composite filtering materials of the present invention.
Corresponding component title in figure represented by numeral:
1. base material 2. thin layer 3. adhesive layer 4. watertight composition.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The invention provides a kind of can make film adhered firmly, permeability better, waterproof is comparatively strong, resistance is less film composite filtering materials.
Embodiment 1,
As shown in Figure 1, a kind of film composite filtering materials, comprise base material 1, described base material 1 side is provided with thin layer 2, adhesive layer 3 is coated with between described base material 1 and described thin layer 2, described base material 1 is connected with described thin layer 2 by described adhesive layer 3, and the opposite side of described base material 1 is provided with watertight composition 4, is also provided with watertight composition 4 on the scope of freedom of described thin layer 2.
In technique scheme, by by bonding to thin layer 2 and base material 1, thin layer 2 more firmly can be bonded with described base material 1, and then watertight composition 4 is set in outermost, make the water resistance of thin layer 2 comparatively strong, and permeability is also better.
Described base material 1 is non-woven fabrics, and described adhesive layer 3 is layer of polyurethane, and described watertight composition 4 is fluorine-containing watertight composition, and described fluorine-containing watertight composition is polytetrafluoroethylene (PTFE) watertight composition.
Present invention also offers a kind of processing technology of film composite filtering materials, comprise the following steps:
(1) carry out gluing by upper glue roller to base material 1 side, make glue be coated on base material 1 surface uniformly, form adhesive layer 3, described adhesive layer 3 comprises polyurethane;
(2) on the base material 1 of coated glue, film is covered with;
(3) carry out pressing by drier roll to film and base material 1, pressing-in temp is no more than 300 DEG C, and pressing pressure is no more than 6kg/N;
(4) carry out water-proofing treatment to the material after above-mentioned pressing, waterproofing agent is sprayed at above-mentioned material surface, described waterproofing agent comprises polytetrafluoroethylene (PTFE) and water, and described polytetrafluoroethylene (PTFE) and water are prepared according to the ratio that volume ratio is 1:4;
(5) above-mentioned semi-finished product after water-proofing treatment are reached 8kg/N by roll shaft extruding, bake out temperature controls, at 150 DEG C, to obtain finished product.
Embodiment 2,
All the other are same as the previously described embodiments, and difference is, are provided with thin layer 2 on the two sides of described base material 1, between described thin layer 2 and described base material 1, be provided with described adhesive layer 3.
Present invention also offers a kind of processing technology of film composite filtering materials, comprise the following steps:
(1) by upper glue roller, gluing is carried out to base material side, make glue be coated on substrate surface uniformly, form adhesive layer;
(2) on the base material of coated glue, film is covered with;
(3) carry out pressing by drier roll to film and base material, pressing-in temp is no more than 300 DEG C, and pressing pressure is no more than 6kg/N;
(4) water-proofing treatment is carried out to the material after above-mentioned pressing, waterproofing agent is sprayed at above-mentioned material surface;
(5) above-mentioned semi-finished product after water-proofing treatment are reached 8kg/N by roll shaft extruding, bake out temperature controls, at 200 DEG C, to obtain finished product.
Embodiment 3,
All the other are same as the previously described embodiments, and difference is, described thin layer 2 is a transparent thin film layer 2.
Present invention also offers a kind of processing technology of film composite filtering materials, comprise the following steps:
(1) by upper glue roller, gluing is carried out to base material side, make glue be coated on substrate surface uniformly, form adhesive layer;
(2) on the base material of coated glue, film is covered with;
(3) carry out pressing by drier roll to film and base material, pressing-in temp is no more than 300 DEG C, and pressing pressure is no more than 6kg/N;
(4) water-proofing treatment is carried out to the material after above-mentioned pressing, waterproofing agent is sprayed at above-mentioned material surface;
(5) above-mentioned semi-finished product after water-proofing treatment are reached 8kg/N by roll shaft extruding, bake out temperature controls, at 175 DEG C, to obtain finished product.
High efficiency filter generally refers to the particle diameter being more than or equal to 0.3 μm, and filter efficiency is more than 99.97%.As long as European Union EN1822 specifies that the local transmitance of the tested filter of leak detection test is no more than the local value of regulation just for qualified, the local transmitance that H13 level high efficiency particulate air filter is corresponding is 0.25%, and conventional resistance is generally at more than 300Pa.
On filtering material comprehensive tester, carry out DOP detection to the above-mentioned product made, test airfiltering efficiency and the resistance of described film composite filtering materials, filter efficiency reaches more than 99.97%, and resistance is at 250Pa; This product, ensure that filter efficiency is on the basis of 99.97%, reduces resistance.
Pass through technique scheme, the beneficial effect of technical solution of the present invention is: a kind of film composite filtering materials, comprise base material 1, described base material 1 side is provided with thin layer 2, adhesive layer 3 is coated with between described base material 1 and described thin layer 2, described base material 1 is connected with described thin layer 2 by described adhesive layer 3, and the opposite side of described base material 1 is provided with watertight composition 4, is also provided with watertight composition 4 on the scope of freedom of described thin layer 2; Adopt film composite filtering materials provided by the present invention and processing technology thereof, by described thin layer 2 is first bonded with described base material 1, again described watertight composition 4 is arranged at the outside of described thin layer 2, make base material 1 better with the bond properties of described thin layer 2, ensure that the water resistance of described filtering material, resistance can also be decreased while guarantee filter efficiency.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a film composite filtering materials, it is characterized in that, comprise base material, described base material side is provided with thin layer, adhesive layer is coated with between described base material and described thin layer, described base material is connected with described thin layer by described adhesive layer, and the opposite side of described base material is provided with watertight composition, is also provided with watertight composition on the scope of freedom of described thin layer.
2. film composite filtering materials according to claim 1, is characterized in that, described base material is non-woven fabrics.
3. film composite filtering materials according to claim 2, is characterized in that, described adhesive layer is layer of polyurethane.
4. film composite filtering materials according to claim 3, is characterized in that, described watertight composition is fluorine-containing watertight composition.
5. film composite filtering materials according to claim 4, is characterized in that, described fluorine-containing watertight composition is polytetrafluoroethylene (PTFE) watertight composition.
6. film composite filtering materials according to claim 5, is characterized in that, described thin layer is a transparent thin film layer.
7. a processing technology for film composite filtering materials, is characterized in that, comprises the following steps:
(1) by upper glue roller, gluing is carried out to base material side, make glue be coated on substrate surface uniformly, form adhesive layer;
(2) on the base material of coated glue, film is covered with;
(3) carry out pressing by drier roll to film and base material, pressing-in temp is no more than 300 DEG C, and pressing pressure is no more than 6kg/N;
(4) water-proofing treatment is carried out to the material after above-mentioned pressing, waterproofing agent is sprayed at above-mentioned material surface;
(5) above-mentioned semi-finished product after water-proofing treatment are reached 8kg/N by roll shaft extruding, bake out temperature controls, at 150 DEG C-200 DEG C, to obtain finished product.
8. the processing technology of film composite filtering materials according to claim 7, is characterized in that, described adhesive layer includes polyurethane.
9. the processing technology of film composite filtering materials according to claim 8, is characterized in that, described waterproofing agent comprises polytetrafluoroethylene (PTFE) and water, and described polytetrafluoroethylene (PTFE) and water are prepared according to the ratio that volume ratio is 1:4.
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|---|---|---|---|
| CN201210249743.3A CN103566658B (en) | 2012-07-19 | 2012-07-19 | Membrane composite filtration material and its processing technology |
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|---|---|---|---|
| CN201210249743.3A CN103566658B (en) | 2012-07-19 | 2012-07-19 | Membrane composite filtration material and its processing technology |
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| CN103566658B true CN103566658B (en) | 2015-04-22 |
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| EP0928220B1 (en) * | 1996-07-11 | 2002-03-20 | W.L. Gore & Associates, Inc. | Cleanable filter elements |
| CN1589171A (en) * | 2001-12-08 | 2005-03-02 | Ibs菲尔特兰塑料金属产品有限公司 | Multi-layer composite filter element for series filtration |
| CN101804274A (en) * | 2010-04-23 | 2010-08-18 | 杭州路先非织造股份有限公司 | Spunlace non-woven fabric composite filter material and manufacturing method thereof |
| CN101861195A (en) * | 2007-11-14 | 2010-10-13 | 日东电工株式会社 | Filter filtration material, method for producing the same and filter unit |
| CN202682933U (en) * | 2012-07-19 | 2013-01-23 | 苏州托普斯环保科技有限公司 | Film composite filtering material |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8262780B2 (en) * | 2009-07-22 | 2012-09-11 | Bha Group, Inc | High performance gas turbine inlet filter (HEPA) using membrane media |
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2012
- 2012-07-19 CN CN201210249743.3A patent/CN103566658B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0928220B1 (en) * | 1996-07-11 | 2002-03-20 | W.L. Gore & Associates, Inc. | Cleanable filter elements |
| CN1589171A (en) * | 2001-12-08 | 2005-03-02 | Ibs菲尔特兰塑料金属产品有限公司 | Multi-layer composite filter element for series filtration |
| CN101861195A (en) * | 2007-11-14 | 2010-10-13 | 日东电工株式会社 | Filter filtration material, method for producing the same and filter unit |
| CN101804274A (en) * | 2010-04-23 | 2010-08-18 | 杭州路先非织造股份有限公司 | Spunlace non-woven fabric composite filter material and manufacturing method thereof |
| CN202682933U (en) * | 2012-07-19 | 2013-01-23 | 苏州托普斯环保科技有限公司 | Film composite filtering material |
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