HOLLOW FIBER MEMBRANE SHEET-LIKE OBJECT, METHOD OF MANUFACTURING HOLLOW FIBER MEMBRANE SHEET-LIKE OBJECT, HOLLOW FIBER MEMBRANE SHEET LAMINATE, METHOD OF MANUFACTURING HOLLOW FIBER MEMBRANE SHEET LAMINATE, HOLLOW FIBER MEMBRANE MODULE AND METHOD OF MANUFACTURING HOLLOW FIBER MEMBRANE MODULE
원문보기
IPC분류정보
국가/구분
United States(US) Patent
공개
국제특허분류(IPC7판)
B01D-063/02
B31C-003/00
B01D-069/08
출원번호
US-0300403
(2015-04-03)
공개번호
US-0182462
(2017-06-29)
우선권정보
JP-2014-077234 (2014-04-03)
국제출원번호
PCT/JP2015/060605
(2015-04-03)
발명자
/ 주소
TORICHIGAI, Tetsuya
IDEGUCHI, Makoto
UENO, Nobuyasu
TANAKA, Toshinori
출원인 / 주소
Mitsubishi Rayon Co., Ltd.
인용정보
피인용 횟수 :
0인용 특허 :
0
초록▼
A hollow fiber membrane sheet-like object in which a plurality of hollow fiber membranes is aligned in parallel with each other and fixed to each other while both end faces of each of the hollow fiber membranes in a longitudinal direction are open, wherein at least one belt-like binding portion made
A hollow fiber membrane sheet-like object in which a plurality of hollow fiber membranes is aligned in parallel with each other and fixed to each other while both end faces of each of the hollow fiber membranes in a longitudinal direction are open, wherein at least one belt-like binding portion made of an elastic body having an elongation percentage (E) stipulated by JIS K6251 of 100% or more and extending in a direction perpendicular to the longitudinal direction is formed at each of both end portions of the hollow fiber membrane sheet-like object, and the plurality of hollow fiber membranes is fixed to each other.
대표청구항▼
1. A hollow fiber membrane sheet-like object in which a plurality of hollow fiber membranes is aligned in parallel with each other and fixed to each other while both end faces of each of the hollow fiber membranes in a longitudinal direction are open, wherein at least one belt-like binding portion m
1. A hollow fiber membrane sheet-like object in which a plurality of hollow fiber membranes is aligned in parallel with each other and fixed to each other while both end faces of each of the hollow fiber membranes in a longitudinal direction are open, wherein at least one belt-like binding portion made of an elastic body having an elongation percentage (E) stipulated by JIS K6251 of 100% or more and extending in a direction perpendicular to the longitudinal direction is formed at each of both end portions of the hollow fiber membrane sheet-like object, and the plurality of hollow fiber membranes is fixed to each other. 2. The hollow fiber membrane sheet-like object according to claim 1, wherein a durometer hardness stipulated by JIS K6253 of the elastic body is in a range of A10 to 95. 3. The hollow fiber membrane sheet-like object according to claim 2, wherein the elastic body is thermoplastic elastomer. 4. The hollow fiber membrane sheet-like object according to claim 3, wherein the thermoplastic elastomer is styrene elastomer. 5. The hollow fiber membrane sheet-like object according to claim 1, wherein two binding portions are formed at each of the both end portions of the hollow fiber membrane sheet-like object. 6. The hollow fiber membrane sheet-like object according to claim 1, wherein a distance between adjacent hollow fiber membranes is in a range of 0 to 1 mm in each of the binding portions. 7. A method of manufacturing the hollow fiber membrane sheet-like object according to claim 1, the method comprising: a process (a) of aligning a plurality of hollow fiber membranes in parallel with each other;a process (b) of disposing and joining a belt-like object made of the elastic body in a direction perpendicular to the longitudinal direction at plurality of places of the plurality of aligned hollow fiber membranes; anda process (c) of cutting the plurality of hollow fiber membranes in the perpendicular direction at one or more places corresponding to a binding portion formed by joining the belt-like object or a portion around the binding portion, thereby obtaining at least one hollow fiber membrane sheet-like object. 8. The method of manufacturing the hollow fiber membrane sheet-like object according to claim 7, wherein two belt-like objects are disposed to oppose each other so as to interpose the plurality of aligned hollow fiber membranes therebetween, and the respective belt-like objects are heated and heat-fused to the hollow fiber membranes in the process (b). 9. A hollow fiber membrane module including at least one hollow fiber membrane sheet-like object according to claim 1 and a pair of elongated housings in which openings are formed along a longitudinal direction, both end portions of the hollow fiber membrane sheet-like object being inserted into the openings and fixed, wherein the hollow fiber membrane sheet-like object is fluid-tightly fixed by resin inside the housings while only a binding portion provided closest to an end portion side at each end portion in the binding portions formed at the both end portions of the hollow fiber membrane sheet-like object is inserted into each housing from the opening. 10. The hollow fiber membrane module according to claim 9, wherein two binding portions are formed at each of the both end portions of the hollow fiber membrane sheet-like object, andone of the two binding portions exposed from the housing in each end portion is formed at a position at which a distance L from the opening of each housing is in a range of 1 to 30 mm. 11. The hollow fiber membrane module according to claim 9, wherein at least a pair of protruding stripe portions opposing each other to interpose the binding portion inserted into the housing therebetween is provided to extend along a longitudinal direction of the housing on an inner surface of the housing. 12. The hollow fiber membrane module according to claim 9, wherein the hollow fiber membrane module includes a plurality of hollow fiber membrane sheet-like objects, and the plurality of hollow fiber membrane sheet-like objects is attached to each other and included in a hollow fiber membrane sheet laminate. 13. A method of manufacturing the hollow fiber membrane module according to claim 9, the method comprising: a process (d) of inserting at least one hollow fiber membrane sheet-like object into the housing from the opening such that only a binding portion provided closest to an end portion side at each end portion in the binding portions formed at the both end portions of the hollow fiber membrane sheet-like object is positioned inside the housing; anda process (e) of injecting a resin into the housing from the opening, hardening the resin, and fluid-tightly fixing the hollow fiber membrane sheet-like object inside the housing while an end face of each of hollow fiber membranes is open. 14. The method of manufacturing the hollow fiber membrane module according to claim 13, wherein a hollow fiber membrane sheet laminate in which a plurality of hollow fiber membrane sheet-like objects is stacked and attached to each other is inserted into the housing from the opening in the process (d). 15. A hollow fiber membrane sheet laminate in which a plurality of hollow fiber membrane sheet-like objects according to claim 1 is stacked, and adjacent hollow fiber membrane sheet-like objects are attached to each other by a dot-shaped dot adhesive portion provided between the hollow fiber membrane sheet-like objects, wherein a plurality of dot adhesive portions is provided at each of both end portions of each of the hollow fiber membrane sheet-like objects along a longitudinal direction of binding portions formed at the both end portions of each of the hollow fiber membrane sheet-like objects to attach hollow fiber membranes of adjacent hollow fiber membrane sheet-like objects to each other at a position around a binding portion provided closest to an end portion side at each of the end portions in the binding portions and on a center side in the longitudinal direction of the hollow fiber membranes from the binding portion. 16. The hollow fiber membrane sheet laminate according to claim 15, wherein the dot adhesive portion is made of a thermoplastic resin. 17. The hollow fiber membrane sheet laminate according to claim 16, wherein the thermoplastic resin is olefin resin. 18. A method of manufacturing the hollow fiber membrane sheet laminate according to claim 15, the method comprising: a process (f) of preparing a hollow fiber membrane sheet-like object, and disposing a plurality of resins for forming dot adhesive portions in dot shapes at both end portions of the hollow fiber membrane sheet-like object along a longitudinal direction of binding portions formed at the both end portions on a hollow fiber membrane at a position around a binding portion provided closest to an end portion side at each of the end portions in the binding portions and on a center side in the longitudinal direction of the hollow fiber membrane from the binding portion;a process (g) of superposing another hollow fiber membrane sheet-like object on a side at which the resins of the hollow fiber membrane sheet-like object, in which the plurality of resins is disposed in the dot shapes, are disposed; anda process (h) of attaching hollow fiber membranes of the hollow fiber membrane sheet-like object to each other by cooling and solidifying or reactively curing the dot-shaped resins disposed in the process (f). 19. The method of manufacturing the hollow fiber membrane sheet laminate according to claim 18, wherein a heated resin is disposed on the hollow fiber membrane and heat-fused to the hollow fiber membrane in the process (f).
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