JPH0582247B2 - - Google Patents
Info
- Publication number
- JPH0582247B2 JPH0582247B2 JP14881786A JP14881786A JPH0582247B2 JP H0582247 B2 JPH0582247 B2 JP H0582247B2 JP 14881786 A JP14881786 A JP 14881786A JP 14881786 A JP14881786 A JP 14881786A JP H0582247 B2 JPH0582247 B2 JP H0582247B2
- Authority
- JP
- Japan
- Prior art keywords
- hollow fiber
- adhesive
- case
- annular body
- fiber bundle
- 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
- 239000012510 hollow fiber Substances 0.000 claims description 58
- 239000000853 adhesive Substances 0.000 claims description 30
- 230000001070 adhesive effect Effects 0.000 claims description 30
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 229920006332 epoxy adhesive Polymers 0.000 description 9
- 239000004695 Polyether sulfone Substances 0.000 description 7
- 229920002492 poly(sulfone) Polymers 0.000 description 7
- 229920006393 polyether sulfone Polymers 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000004593 Epoxy Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明はポリスルホン及びポリエーテルスルホ
ン系中空糸型モジユールの製造方法に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a method for producing polysulfone and polyethersulfone hollow fiber modules.
（従来技術）
従来から中空糸型モジユールの端部の接着封止
には主としてエポキシ系の接着剤が使われてい
る。(Prior Art) Epoxy adhesives have traditionally been used to adhesively seal the ends of hollow fiber modules.
（発明が解決しようとする問題点）
しかし、この接着剤は硬化時自己発熱が大きい
ため、大量に使用すると温度分布を生じ、その結
果硬化むらを生じる。この時硬化した接着剤の内
部に歪が蓄積されることになる。又、エポキシ系
の接着剤は硬化時の収縮率が比較的大きく、か
つ、大口径の中空糸型モジユールを作る場合、接
着剤を大量に使用するため、内部の歪も大きくな
り、ケース端部と接着剤との剥離或いは、中空糸
端部と接着部界面での亀裂が生じ、モジユールの
リークの原因になるという問題があつた。この様
な問題を解決するために、特開昭61−93803では、
円筒状ケースに中空糸束を充填し、該中空糸束端
部とケース端部との間及び中空糸端部相互間を接
着剤で接着封止する中空糸型モジユールの製造方
法に於いて、ケース端部に該ケースの内径より小
さい外径を有する環状体を嵌め込み、中空糸束端
部を環状体の中に挿入した後、中空糸束端部と環
状体との間、及び環状体とケース端部との間及び
中空糸束端部相互間を接着剤で接着封止すること
により解決した。(Problems to be Solved by the Invention) However, since this adhesive generates a large amount of self-heating during curing, when used in large quantities, temperature distribution occurs, resulting in uneven curing. At this time, strain will be accumulated inside the cured adhesive. In addition, epoxy adhesives have a relatively high shrinkage rate during curing, and when making large-diameter hollow fiber modules, a large amount of adhesive is used, resulting in large internal distortions and damage to the edges of the case. There was a problem in that peeling between the fiber and the adhesive or cracks occurring at the interface between the hollow fiber end and the adhesive, causing leakage of the module. In order to solve such problems, in Japanese Patent Application Laid-Open No. 61-93803,
In a method for manufacturing a hollow fiber type module, a cylindrical case is filled with a hollow fiber bundle, and the ends of the hollow fiber bundle and the end of the case and the ends of the hollow fibers are adhesively sealed with an adhesive. After fitting an annular body having an outer diameter smaller than the inner diameter of the case into the case end and inserting the hollow fiber bundle end into the annular body, the space between the hollow fiber bundle end and the annular body and between the hollow fiber bundle end and the annular body is This problem was solved by sealing the ends of the case and the ends of the hollow fiber bundle with adhesive.
しかし、この方法には、更に問題点がある。そ
れはエポキシ系の接着剤は、ポリスルホン又はポ
リエーテルスルホン中空糸を一部膨潤又は溶解す
る作用をもつている。このことを具体的に説明す
る。１本の破断強度130ｇのポリエーテルスルホ
ン中空糸に20ｇの力をかけた状態にしておき、こ
の中空糸の中間部を70℃のエポキシ主剤エピコー
ト828
（油化シエル社製）に漬けたところ、約
10分で漬けたところから切断した。同じ様にに80
℃のエピコート828
につけたところ約２分で切
断した。次に同様の実験をエピコート815
につ
いて実施したところ50℃で約２分で切断した。同
様の実験をポリスルホン中空糸につても実施した
が、これはポリエーテルスルホン中空糸より数倍
速く切断した。以上までのことを考えるとポリス
ルホン及びポリエーテルスルホンは、エポキシに
より膨潤し、この膨潤の速さは温度が高い程速
く、長い間にはエポキシにより溶解してゆく。し
かし、エポキシ系の接着剤は耐熱性が高く、接着
力も強いので、一般に使用されているが、これは
上記の膨潤作用が接着剤が液状のときのみ問題で
あり、硬化してしまうとその作用がなくなるの
で、中空糸が膨潤して劣化する前に接着剤を硬化
して、中空糸型膜モジユールを作つているのが現
実である。しかし、この方法では、中空糸は一部
劣化する。しかし、この方法では、中空糸は一部
劣化する。その時の一番の問題点は接着部の界面
に生じる。接着部の中では、中空糸は接着剤によ
り強固に支持されており、問題はないが、接着部
の界面に於ける劣化は中空糸に力が加わつた時に
問題となる。 However, this method has additional problems. The epoxy adhesive has the effect of partially swelling or dissolving the polysulfone or polyethersulfone hollow fibers. This will be explained specifically. A force of 20 g was applied to a single polyethersulfone hollow fiber with a breaking strength of 130 g, and the middle part of this hollow fiber was immersed in epoxy base material Epicoat 828 (manufactured by Yuka Ciel Co., Ltd.) at 70°C. about
I cut it after 10 minutes of soaking. 80 in the same way
When applied to Epicote 828 at ℃, it was cut in about 2 minutes. Next, a similar experiment was carried out using Epicote 815, which was cut in about 2 minutes at 50°C. Similar experiments were conducted with polysulfone hollow fibers, which broke several times faster than polyethersulfone hollow fibers. Considering the above, polysulfone and polyethersulfone are swollen by epoxy, and the speed of this swelling is faster as the temperature is higher, and over a long period of time, they are dissolved by epoxy. However, epoxy adhesives are commonly used because they have high heat resistance and strong adhesive strength, but the swelling effect described above is only a problem when the adhesive is in liquid form; The reality is that the adhesive is cured before the hollow fibers swell and deteriorate to create a hollow fiber membrane module. However, this method partially degrades the hollow fibers. However, this method partially degrades the hollow fibers. The biggest problem in this case occurs at the interface of the adhesive part. In the adhesive part, the hollow fibers are firmly supported by the adhesive and there is no problem, but deterioration at the interface of the adhesive part becomes a problem when force is applied to the hollow fibers.
エポキシ系接着剤を使用する際のもう一つの問
題点はエポキシ系接着剤の非可撓性である。接着
部の界面では第１図のように接着剤が中空糸と中
空糸の間に毛管作用により這い上がる。この高さ
は中空糸と中空糸の間の距離に反比例する。這い
上がりの先端部では、中空糸は外から接着剤に取
り囲まれている部分と中空糸のみの所の界面とな
つている。この界面より上の方で中空糸に横方向
の力が働くと非常に弱い力で中空糸は折れてしま
う。これはエポキシ系接着剤が非可撓性であり、
変形して力を逃がす作用はほとんどないためと考
えられる。このことは中空糸モジユールを非常に
弱くする原因となる。即ち、モジユールに通水す
るときに中空糸に横方向の力が加わるし、又、不
注意等により中空糸モジユールを落下させて衝撃
が加わるときにも問題となる。又、生蒸気を通気
して行なう蒸気滅菌では水と蒸気の気液界面が生
じ、激しいバブリング状態になることがあり、こ
れにより糸が激しく揺さぶられる。以上の様に、
使用により中空糸が接着部界面で切断し、リーク
につながる危険がある。 Another problem with using epoxy adhesives is their inflexibility. At the interface of the adhesive part, the adhesive creeps up between the hollow fibers due to capillary action as shown in FIG. This height is inversely proportional to the distance between the hollow fibers. At the tip of the hollow fiber, there is an interface between the part surrounded by adhesive from the outside and the hollow fiber alone. If a lateral force is applied to the hollow fiber above this interface, the hollow fiber will break with a very weak force. This is because epoxy adhesive is non-flexible.
This is thought to be because there is almost no action to deform and release force. This causes the hollow fiber module to become very weak. That is, a lateral force is applied to the hollow fiber when water is passed through the module, and a problem also arises when the hollow fiber module is dropped due to carelessness and a shock is applied. Furthermore, in steam sterilization performed by aeration of live steam, a gas-liquid interface between water and steam may occur, resulting in a state of severe bubbling, which causes the yarn to be violently shaken. As above,
When used, there is a risk that the hollow fibers will break at the adhesive interface, leading to leaks.
接着部の界面に於ける強度低下の問題は糸束の
最外層に一番強くあらわれる。それはこの場所の
糸の自由度が高いためである。そこで糸束の最外
層の補強を目的に、本発明者らは鋭意検討した結
果、本発明を完成させた。 The problem of reduced strength at the interface of the bonded portion appears most strongly in the outermost layer of the yarn bundle. This is because the thread has a high degree of freedom in this location. Therefore, the present inventors conducted extensive studies with the aim of reinforcing the outermost layer of the yarn bundle, and as a result, completed the present invention.
（発明の構成）
即ち、本発明は円筒状ケースに中空糸束を充填
し、該中空糸束端部とケース端部との間及び中空
糸端部相互間を接着剤で接着封止する中空糸型モ
ジユールの製造方法に於いて、ケース端部に該ケ
ースの内径より小さい外径を有し、かつ、最終接
着剤高さより２〜10mm背の高い環状体を嵌め込
み、中空糸束端部を環状体の中に挿入した後、中
空糸束端部と環状体との間及び環状体とケース端
部との間及び中空糸束端部相互間を接着剤で接着
封止することを特徴とする中空糸型モジユールの
製造方法である。(Structure of the Invention) That is, the present invention provides a hollow fiber bundle in which a cylindrical case is filled with a hollow fiber bundle, and the ends of the hollow fiber bundle and the case end are adhesively sealed together with an adhesive. In the method of manufacturing a thread-type module, a ring-shaped body having an outer diameter smaller than the inner diameter of the case and 2 to 10 mm taller than the final adhesive height is fitted into the end of the case, and the end of the hollow fiber bundle is After being inserted into the annular body, the ends of the hollow fiber bundle and the annular body, the annular body and the case end, and the ends of each hollow fiber bundle are sealed with adhesive. This is a method for manufacturing a hollow fiber module.
本発明のポイントは環状体の高さを接着剤層よ
り高くすることにより、最外層の中空糸の接着部
界面を保護したことにある。 The key point of the present invention is that by making the height of the annular body higher than the adhesive layer, the adhesive interface of the outermost hollow fibers is protected.
次に第２図を用いて本発明を説明する。第２図
は本発明の実施態様を示す図である。１は円筒状
ケースで、通常はアクリル樹脂、ポリスルホン樹
脂、塩化ビニル樹脂又はFRP製等である。２は
モジユール内の透過水の溜まり部、３はポリスル
ホン又はポリエーテルスルホン製の中空糸、４は
本発明の環状体、５はエポキシ接着剤である。 Next, the present invention will be explained using FIG. FIG. 2 is a diagram showing an embodiment of the present invention. 1 is a cylindrical case, which is usually made of acrylic resin, polysulfone resin, vinyl chloride resin, FRP, or the like. 2 is a reservoir of permeated water in the module, 3 is a hollow fiber made of polysulfone or polyethersulfone, 4 is an annular body of the present invention, and 5 is an epoxy adhesive.
本発明において使用する環状リングとしてはプ
ラスチツクの成型品またはパイプの切断品などが
適切で、プラスチツクの材質としては熱硬化性の
もの、熱可塑性のものいずれでも用いることがで
きる。特に用いる接着剤と同材質の成型品であれ
ば好都合である。 The annular ring used in the present invention is suitably a molded plastic product or a cut pipe product, and the plastic material may be either thermosetting or thermoplastic. In particular, it is convenient if it is a molded product made of the same material as the adhesive used.
接着部界面と環状体の高さの差は、２〜10mmが
好ましい。 The difference in height between the adhesive interface and the annular body is preferably 2 to 10 mm.
（発明の効果）
本発明による中空糸モジユールは、中空糸束の
最外層を環状体で保護することにより、従来型の
中空糸型モジユールに比較し、中空糸の折れによ
るトラブルはほとんどなくなつた。(Effects of the invention) By protecting the outermost layer of the hollow fiber bundle with an annular body, the hollow fiber module according to the present invention almost eliminates troubles caused by bending of the hollow fibers, compared to conventional hollow fiber type modules. .
（実施例） 以下に本発明の効果を実施例により説明する。(Example) The effects of the present invention will be explained below using examples.
実施例 １
内径89mmφ、外径97mmφ、長さ320mmのポリス
ルホン製ケースの接着部に内径75mmφ、外径85mm
φ、高さ30mmのエポキシ接着剤で作つた環状体を
挿入し、内径500μm、外径700μmのポリエーテル
スルホン中空糸6400本よりなる糸束を環状体の中
を通して挿入し、これを遠心シール機の中にセツ
トし、温度55℃、回転数1000rpmでエポキシ系接
着剤を使つて片側の接着長さが25mmになるように
遠心シールした。Example 1 The adhesive part of a polysulfone case with an inner diameter of 89 mmφ, an outer diameter of 97 mmφ, and a length of 320 mm has an inner diameter of 75 mmφ and an outer diameter of 85 mm.
Insert an annular body made of epoxy adhesive with a diameter of 30 mm in height, insert a bundle of 6,400 polyethersulfone hollow fibers with an inner diameter of 500 μm and an outer diameter of 700 μm through the annular body, and insert this into a centrifugal sealing machine. and centrifugally sealed using epoxy adhesive at a temperature of 55°C and a rotation speed of 1000 rpm so that the adhesive length on one side was 25 mm.
これをモジユールとして完成後、120℃の蒸気
と25℃の水を交互に10回通した。この時、中空糸
はかなり激しく揺さぶられたが終了後に検査して
も接着部界面に原因のあるリークは全くなかつ
た。 After this was completed as a module, steam at 120°C and water at 25°C were passed through it alternately 10 times. At this time, the hollow fiber was shaken quite violently, but even when inspected after completion, there were no leaks caused by the adhesive interface.
第１図は中空糸束端接着部界面の説明図、第２
図は本発明の実施態様を示す図である。
１……円筒状ケース、２……透過水の溜まり
部、３……中空糸、４……環状体、５……接着
剤。
Figure 1 is an explanatory diagram of the interface of the hollow fiber bundle end bonding part, Figure 2
The figure shows an embodiment of the invention. 1... Cylindrical case, 2... Permeated water reservoir, 3... Hollow fiber, 4... Annular body, 5... Adhesive.
Claims (1)
束端部とケース端部との間及び中空糸端部相互間
を接着剤で接着封止する中空糸型モジユールの製
造方法に於いて、ケース端部に該ケースの内径よ
り小さい外径を有し、かつ、最終接着剤高さより
２〜10mm背の高い環状体を嵌め込み、中空糸束端
部を環状体の中に挿入した後、中空糸束端部と環
状体との間及び環状体とケース端部との間及び中
空糸束端部相互間を接着剤で接着封止することを
特徴とする中空糸型モジユールの製造方法。1. A method for manufacturing a hollow fiber module, in which a cylindrical case is filled with a hollow fiber bundle, and the ends of the hollow fiber bundle and the end of the case and between the ends of the hollow fibers are sealed with adhesive. , after fitting an annular body having an outer diameter smaller than the inner diameter of the case and 2 to 10 mm taller than the final adhesive height into the case end, and inserting the hollow fiber bundle end into the annular body, A method for producing a hollow fiber type module, comprising adhesively sealing between an end of a hollow fiber bundle and an annular body, between an annular body and an end of a case, and between ends of a hollow fiber bundle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14881786A JPS63158103A (en) | 1986-06-25 | 1986-06-25 | Production of hollow yarn type module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14881786A JPS63158103A (en) | 1986-06-25 | 1986-06-25 | Production of hollow yarn type module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63158103A JPS63158103A (en) | 1988-07-01 |
| JPH0582247B2 true JPH0582247B2 (en) | 1993-11-18 |
Family
ID=15461379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14881786A Granted JPS63158103A (en) | 1986-06-25 | 1986-06-25 | Production of hollow yarn type module |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63158103A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0775657B2 (en) * | 1990-10-15 | 1995-08-16 | 旭化成工業株式会社 | Hollow fiber type module |
| NL1013465C2 (en) * | 1999-11-02 | 2001-05-03 | Stork Friesland Bv | Membrane filtration element with sleeve element and sleeve members. |
| JP4913571B2 (en) * | 2006-12-06 | 2012-04-11 | 三菱レイヨン株式会社 | Hollow fiber membrane module |
| JP5284848B2 (en) * | 2009-03-31 | 2013-09-11 | 旭化成メディカル株式会社 | Sealing jig and fluid processing device manufacturing method |
-
1986
- 1986-06-25 JP JP14881786A patent/JPS63158103A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63158103A (en) | 1988-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |