JP2725922B2 - Adhesion method of filtration membrane - Google Patents
Adhesion method of filtration membraneInfo
- Publication number
- JP2725922B2 JP2725922B2 JP3300926A JP30092691A JP2725922B2 JP 2725922 B2 JP2725922 B2 JP 2725922B2 JP 3300926 A JP3300926 A JP 3300926A JP 30092691 A JP30092691 A JP 30092691A JP 2725922 B2 JP2725922 B2 JP 2725922B2
- Authority
- JP
- Japan
- Prior art keywords
- membrane
- filtration membrane
- support
- solvent
- organic
- 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.)
- Expired - Fee Related
Links
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は水処理装置等において用
いられる膜分離装置の濾過膜の接着方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for bonding a filtration membrane of a membrane separation device used in a water treatment device or the like.
【０００２】[0002]
【従来の技術】従来、水処理装置において用いられる膜
分離装置は複数の膜エレメントを有している。例えば、
図２に示すような膜エレメントにおいては、塩化ビニー
ル等で形成された濾板１の表裏に限外濾過膜もしくは精
密濾過膜等の有機濾過膜２を接着しており、有機濾過膜
２は不織布を支持体３として両側面に膜部４をコーティ
ングして構成されていた。2. Description of the Related Art Conventionally, a membrane separation apparatus used in a water treatment apparatus has a plurality of membrane elements. For example,
In the membrane element shown in FIG. 2, an organic filtration membrane 2 such as an ultrafiltration membrane or a microfiltration membrane is adhered to the front and back of a filter plate 1 made of vinyl chloride or the like. Was used as a support 3 and the film portions 4 were coated on both sides.
【０００３】[0003]
【発明が解決しようとする課題】しかし、上記した従来
の構成においては、濾板１と膜部４の接着強度を十分に
確保することができても、支持材３と膜部４が剥離して
しまい、十分な接着強度を確保することができなかっ
た。However, in the conventional structure described above, even if the adhesive strength between the filter plate 1 and the membrane portion 4 can be sufficiently ensured, the support member 3 and the membrane portion 4 are separated. As a result, sufficient adhesive strength could not be secured.
【０００４】本発明は上記課題を解決するもので、濾板
と有機濾過膜との十分な接着強度を確保することができ
る濾過膜の接着方法を提供することを目的とする。An object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to provide a method for bonding a filtration membrane capable of securing a sufficient bonding strength between a filter plate and an organic filtration membrane.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するため
に、本発明の濾過膜の接着方法は、水処理装置に用いら
れる膜エレメントの濾過膜を接着するに際し、不織布を
支持体として支持体の両面に膜材をコーティングした有
機濾過膜の接着部位の膜面に、溶媒もしくは溶媒を含む
接着剤を塗布し、溶媒によって有機濾過膜の膜材を溶か
した後に、支持体と濾板とを接着剤を介して接着固定す
る構成としたものである。Means for Solving the Problems To solve the above problems, the method for bonding a filtration membrane according to the present invention is applied to a water treatment apparatus.
Upon bonding the filtration membrane of the membrane element to be, nonwoven fabric to the film surface of the adhesion sites of the support organic filtration membrane coated with film material on both surfaces of a support, an adhesive is applied comprising a solvent or solvent, by solvent after dissolving the film material of the organic filtration membrane is a support and a filter plate that is configured to be bonded with an adhesive.
【０００６】[0006]
【作用】上記構成により、溶媒によって不織布の表面に
コーティングした膜材が溶かされ、有機濾過膜の支持体
が濾板に直接接着されるので、支持体と濾板の十分な接
着強度を確保することができる。[Action] With this configuration, the solvent coated film material on the surface of the nonwoven fabric is melted by the supporting member of the organic filtration membrane is bonded directly to the filtration plate, to ensure sufficient adhesive strength of the support and the filtration plate be able to.
【０００７】[0007]
【実施例】以下、本発明の一実施例を図面に基づいて説
明する。図１において、有機濾過膜１１は限外濾過膜や
精密濾過膜であり、不織布からなる支持体１２の両面に
膜部１３をコーティングして形成されている。そして、
有機濾過膜１１は塩化ビニール等からなる濾板１４の両
側面に配置されており、有機濾過膜１１は下記の手順に
よって濾板１４に接着されている。An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, an organic filtration membrane 11 is an ultrafiltration membrane or a microfiltration membrane, and is formed by coating a membrane portion 13 on both surfaces of a support 12 made of a nonwoven fabric. And
The organic filtration membrane 11 is disposed on both sides of a filter plate 14 made of vinyl chloride or the like, and the organic filtration membrane 11 is adhered to the filter plate 14 by the following procedure.
【０００８】１．有機濾過膜１１の接着部位の膜部１３
に溶媒、もしくは溶媒を含む接着剤１５を十分に塗布す
る。２．有機濾過膜１１の膜部１３を溶媒によって溶か
した状態で、有機濾過膜１１の支持体１２と濾板１４と
を適当な接着剤１５を介して接着固定する。[0008] 1. Membrane part 13 of adhesion part of organic filtration membrane 11
Is sufficiently coated with a solvent or an adhesive 15 containing a solvent. 2. With the membrane portion 13 of the organic filtration membrane 11 dissolved in the solvent, the support 12 of the organic filtration membrane 11 and the filter plate 14 are bonded and fixed via an appropriate adhesive 15.
【０００９】したがって、接着時に有機濾過膜１２の膜
部１３が溶かされるので、有機濾過膜１１の支持体１２
である不織布と濾板１４が直接に接着され、接着性の向
上によって十分な接着強度が確保される。Therefore, since the membrane portion 13 of the organic filtration membrane 12 is melted at the time of bonding, the support 12 of the organic filtration membrane 11 is melted.
And the filter plate 14 are directly bonded to each other, and a sufficient bonding strength is secured by improving the bonding property.
【００１０】[0010]
【発明の効果】以上述べたように、本発明によれば、有
機濾過膜の接着部位の膜面を溶媒によって溶かし、有機
濾過膜の膜面を溶かして支持体の不織布を濾板に直接接
着することにより、十分な接着強度を確保することがで
きる。As described above, according to the present invention, the surface of the organic filtration membrane is dissolved with a solvent, and the nonwoven fabric of the support is directly bonded to the filter plate by dissolving the membrane surface of the organic filtration membrane. By doing so, a sufficient adhesive strength can be secured.
【図１】本発明の一実施例における濾過膜の接着手順を
示す説明図である。FIG. 1 is an explanatory view showing a procedure for bonding a filtration membrane in one embodiment of the present invention.
【図２】従来の膜エレメントの断面を示す模式図であ
る。FIG. 2 is a schematic view showing a cross section of a conventional membrane element.
１１ 有機濾過膜 １２ 支持体 １３ 膜部 １４ 濾板 DESCRIPTION OF SYMBOLS 11 Organic filtration membrane 12 Support 13 Membrane part 14 Filter plate
Claims (1)
濾過膜の接着方法であって、不織布を支持体として支持
体の両面に膜材をコーティングした有機濾過膜の接着部
位の膜面に、溶媒もしくは溶媒を含む接着剤を塗布し、
溶媒によって有機濾過膜の膜材を溶かした後に、支持体
と濾板とを接着剤を介して接着固定することを特徴とす
る濾過膜の接着方法。1. A membrane element used in a water treatment apparatus.
A bonding method of the filtration membrane, the membrane surface of the attachment site of the organic filtration membrane coated with film material on both sides of the support non-woven fabric as a support, an adhesive is applied comprising a solvent or solvent,
After dissolving the film material of the organic filtration membrane by solvent bonding method of the filtration membrane, characterized in that the support and the filtration plate are bonded via an adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3300926A JP2725922B2 (en) | 1991-11-18 | 1991-11-18 | Adhesion method of filtration membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3300926A JP2725922B2 (en) | 1991-11-18 | 1991-11-18 | Adhesion method of filtration membrane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05137971A JPH05137971A (en) | 1993-06-01 |
| JP2725922B2 true JP2725922B2 (en) | 1998-03-11 |
Family
ID=17890789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3300926A Expired - Fee Related JP2725922B2 (en) | 1991-11-18 | 1991-11-18 | Adhesion method of filtration membrane |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2725922B2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6372305A (en) * | 1986-09-17 | 1988-04-02 | Fuji Photo Film Co Ltd | Bonding method for filter membrane of filter cartridge |
| JPH04271817A (en) * | 1991-02-27 | 1992-09-28 | Fuji Photo Film Co Ltd | Filtering method |
-
1991
- 1991-11-18 JP JP3300926A patent/JP2725922B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05137971A (en) | 1993-06-01 |
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