CA1107580A - Non-woven material for support of semipermeable membrane - Google Patents

Non-woven material for support of semipermeable membrane

Info

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
Application number
CA292,431A
Other languages
English (en)
French (fr)
Inventor
Wolfram Schultheiss
Dieter Groitzsch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Carl Freudenberg KG filed Critical Carl Freudenberg KG
Application granted granted Critical
Publication of CA1107580A publication Critical patent/CA1107580A/en
Expired legal-status Critical Current

Links

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
    • 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
    • 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)
CA292,431A 1976-12-04 1977-12-05 Non-woven material for support of semipermeable membrane Expired CA1107580A (en)

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 (ja)
AT (1) AT367312B (ja)
AU (1) AU516289B2 (ja)
CA (1) CA1107580A (ja)
DE (1) DE2655014C3 (ja)
DK (1) DK148786C (ja)
FR (1) FR2372922A1 (ja)
GB (1) GB1595299A (ja)
IL (1) IL53455A0 (ja)
NL (1) NL185163C (ja)
SE (1) SE433505B (ja)
ZA (1) ZA776021B (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE2655014B2 (de) 1979-01-04
AU516289B2 (en) 1981-05-28
NL7712123A (nl) 1978-06-06
IL53455A0 (en) 1978-01-31
GB1595299A (en) 1981-08-12
DE2655014C3 (de) 1979-09-06
DE2655014A1 (de) 1978-06-08
NL185163B (nl) 1989-09-01
DK148786B (da) 1985-09-30
ZA776021B (en) 1978-05-30
AU3117377A (en) 1979-06-07
DK539877A (da) 1978-06-05
FR2372922B1 (ja) 1982-04-09
NL185163C (nl) 1990-02-01
FR2372922A1 (fr) 1978-06-30
SE7713646L (sv) 1978-06-05
DK148786C (da) 1986-03-03
JPS5370986A (en) 1978-06-23
SE433505B (sv) 1984-05-28
AT367312B (de) 1982-06-25
ATA865777A (de) 1981-11-15

Similar Documents

Publication Publication Date Title
CA1321956C (en) Filtration fabric produced by wet laid process
US4318774A (en) Composite nonwoven web
US4728394A (en) Semipermeable membrane support and process for preparation thereof
US4795559A (en) Semipermeable membrane support
JP2611793B2 (ja) 不織材料の改良
US4894280A (en) Flexible, tear resistant composite sheet material and a method for producing the same
JP2002525444A (ja) 不織布
US4496583A (en) Paper-like polyester fiber sheet and process for producing the same
EP1891256B1 (en) Highly resilient, dimensionally recoverable nonwoven material
CN106835499B (zh) 三层复合分离膜支撑材料
US3991250A (en) Spunbonded fabrics of nylon-6 filaments
US9121118B2 (en) Method and apparatus for forming a fibrous media
CA1107580A (en) Non-woven material for support of semipermeable membrane
US3958055A (en) Adhesive bonding of isotropic fiber webs to form pattern bonded composites
JP2013180236A (ja) 半透膜支持体用不織布及びその製造方法
US5415738A (en) Wet-laid non-woven fabric and method for making same
CA1098771A (en) Backing for semipermeable membrane
US3264167A (en) Carpet backing laminate
US3973067A (en) Short-fibered nonwoven fabrics
GB1595300A (en) Non woven fabrics
US4904523A (en) Polyester heat bonded product
US3274018A (en) Method for producing a decorative nonwoven fabric
US3391057A (en) Suspensions of synthetic polymer fibrous products containing acrylamide polymer and method of making a paper web therefrom
US2251252A (en) Air filter material for vacuum cleaners and the like
JPH05214695A (ja) 開口部又は肉薄部を有するシート状繊維成形物の製造方法

Legal Events

Date Code Title Description
MKEX Expiry