CA1107580A - Non-woven material for support of semipermeable membrane - Google Patents
Non-woven material for support of semipermeable membraneInfo
- Publication number
- CA1107580A CA1107580A CA292,431A CA292431A CA1107580A CA 1107580 A CA1107580 A CA 1107580A CA 292431 A CA292431 A CA 292431A CA 1107580 A CA1107580 A CA 1107580A
- Authority
- CA
- Canada
- Prior art keywords
- fibres
- bonding
- bonding fibres
- woven material
- dtex
- 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
Links
- 239000000463 material Substances 0.000 title claims abstract description 58
- 239000012528 membrane Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000000203 mixture Substances 0.000 claims description 10
- 229920000728 polyester Polymers 0.000 claims description 7
- 229920001169 thermoplastic Polymers 0.000 claims description 5
- 239000004416 thermosoftening plastic Substances 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000012736 aqueous medium Substances 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 3
- 229920002312 polyamide-imide Polymers 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 229920003235 aromatic polyamide Polymers 0.000 claims description 2
- 239000002344 surface layer Substances 0.000 claims description 2
- 238000009826 distribution Methods 0.000 abstract description 11
- 239000004745 nonwoven fabric Substances 0.000 description 18
- 239000010410 layer Substances 0.000 description 9
- 239000000835 fiber Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 229920002301 cellulose acetate Polymers 0.000 description 7
- 238000003490 calendering Methods 0.000 description 6
- 230000001788 irregular Effects 0.000 description 6
- 239000004744 fabric Substances 0.000 description 5
- 230000008093 supporting effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/10—Supported membranes; Membrane supports
- B01D69/107—Organic support material
- B01D69/1071—Woven, non-woven or net mesh
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H5/00—Special paper or cardboard not otherwise provided for
- D21H5/12—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials
- D21H5/20—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of organic non-cellulosic fibres too short for spinning, with or without cellulose fibres
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Nonwoven Fabrics (AREA)
- Paper (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP2655014.1 | 1976-12-04 | ||
DE2655014A DE2655014C3 (de) | 1976-12-04 | 1976-12-04 | Trägerschicht für semipermeable Membranen |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1107580A true CA1107580A (en) | 1981-08-25 |
Family
ID=5994671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA292,431A Expired CA1107580A (en) | 1976-12-04 | 1977-12-05 | Non-woven material for support of semipermeable membrane |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS5370986A (nl) |
AT (1) | AT367312B (nl) |
AU (1) | AU516289B2 (nl) |
CA (1) | CA1107580A (nl) |
DE (1) | DE2655014C3 (nl) |
DK (1) | DK148786C (nl) |
FR (1) | FR2372922A1 (nl) |
GB (1) | GB1595299A (nl) |
IL (1) | IL53455A0 (nl) |
NL (1) | NL185163C (nl) |
SE (1) | SE433505B (nl) |
ZA (1) | ZA776021B (nl) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5417383A (en) * | 1977-07-11 | 1979-02-08 | Toray Ind Inc | Separating unit for liquid |
JPS61222506A (ja) * | 1985-03-29 | 1986-10-03 | Japan Vilene Co Ltd | 半透膜支持体及びその製造方法 |
EP0253047A1 (de) * | 1986-07-14 | 1988-01-20 | VOGELBUSCH GESELLSCHAFT m.b.H. | Membrantrennelement |
DE3729567A1 (de) * | 1986-09-11 | 1988-03-17 | Kendall & Co | Batteriescheider-material |
WO1998004233A1 (en) * | 1996-07-31 | 1998-02-05 | The Procter & Gamble Company | Conditioning shampoo compositions comprising polyalkoxylated polyalkyleneamine |
EP2659955B1 (en) * | 2010-12-27 | 2018-03-21 | Hokuetsu Kishu Paper Co., Ltd. | Method for producing a wet-laid nonwoven fabric for semipermeable membrane supporting body, and method for identifying low-density defect of wet-laid nonwoven fabric |
JP5216924B1 (ja) * | 2012-01-30 | 2013-06-19 | 北越紀州製紙株式会社 | 半透膜支持体用不織布 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1137457A (fr) * | 1954-08-07 | 1957-05-29 | Procédé pour la fabrication de papiers et de films en partant de polyoléfines | |
GB1099534A (en) * | 1965-05-26 | 1968-01-17 | Ici Ltd | Fibrous, non-woven sheet materials |
-
1976
- 1976-12-04 DE DE2655014A patent/DE2655014C3/de not_active Expired
-
1977
- 1977-10-07 ZA ZA00776021A patent/ZA776021B/xx unknown
- 1977-11-03 NL NLAANVRAGE7712123,A patent/NL185163C/nl not_active IP Right Cessation
- 1977-11-11 JP JP13484377A patent/JPS5370986A/ja active Pending
- 1977-11-23 IL IL53455A patent/IL53455A0/xx not_active IP Right Cessation
- 1977-12-01 SE SE7713646A patent/SE433505B/sv not_active IP Right Cessation
- 1977-12-02 DK DK539877A patent/DK148786C/da active
- 1977-12-02 GB GB50215/77A patent/GB1595299A/en not_active Expired
- 1977-12-02 AU AU31173/77A patent/AU516289B2/en not_active Expired
- 1977-12-02 AT AT0865777A patent/AT367312B/de not_active IP Right Cessation
- 1977-12-02 FR FR7736383A patent/FR2372922A1/fr active Granted
- 1977-12-05 CA CA292,431A patent/CA1107580A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5370986A (en) | 1978-06-23 |
AU516289B2 (en) | 1981-05-28 |
FR2372922B1 (nl) | 1982-04-09 |
DE2655014B2 (de) | 1979-01-04 |
SE433505B (sv) | 1984-05-28 |
IL53455A0 (en) | 1978-01-31 |
NL185163C (nl) | 1990-02-01 |
ATA865777A (de) | 1981-11-15 |
SE7713646L (sv) | 1978-06-05 |
GB1595299A (en) | 1981-08-12 |
DK539877A (da) | 1978-06-05 |
ZA776021B (en) | 1978-05-30 |
NL7712123A (nl) | 1978-06-06 |
FR2372922A1 (fr) | 1978-06-30 |
AU3117377A (en) | 1979-06-07 |
AT367312B (de) | 1982-06-25 |
DK148786C (da) | 1986-03-03 |
NL185163B (nl) | 1989-09-01 |
DE2655014A1 (de) | 1978-06-08 |
DK148786B (da) | 1985-09-30 |
DE2655014C3 (de) | 1979-09-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |