CA1140309A - Filaments with porous surface - Google Patents

Filaments with porous surface

Info

Publication number
CA1140309A
CA1140309A CA000332832A CA332832A CA1140309A CA 1140309 A CA1140309 A CA 1140309A CA 000332832 A CA000332832 A CA 000332832A CA 332832 A CA332832 A CA 332832A CA 1140309 A CA1140309 A CA 1140309A
Authority
CA
Canada
Prior art keywords
threads
bath
homogeneous mixture
temperature
polymer
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
CA000332832A
Other languages
English (en)
French (fr)
Inventor
Klaus Gerlach
Erich Kessler
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.)
Akzo NV
Original Assignee
Akzo NV
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 Akzo NV filed Critical Akzo NV
Application granted granted Critical
Publication of CA1140309A publication Critical patent/CA1140309A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08Hollow fibre membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0023Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/24Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • D01D5/247Discontinuous hollow structure or microporous structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Artificial Filaments (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
CA000332832A 1978-07-31 1979-07-30 Filaments with porous surface Expired CA1140309A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2833568A DE2833568C2 (de) 1978-07-31 1978-07-31 Poröse Fäden
DEP2833568.4-26 1978-07-31

Publications (1)

Publication Number Publication Date
CA1140309A true CA1140309A (en) 1983-02-01

Family

ID=6045861

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000332832A Expired CA1140309A (en) 1978-07-31 1979-07-30 Filaments with porous surface

Country Status (11)

Country Link
JP (1) JPS5522097A (ru)
AT (1) AT372411B (ru)
BE (1) BE877930A (ru)
BR (1) BR7904887A (ru)
CA (1) CA1140309A (ru)
CH (1) CH637795B (ru)
DE (1) DE2833568C2 (ru)
ES (1) ES482966A1 (ru)
FR (1) FR2432564A1 (ru)
GB (1) GB2026935B (ru)
IT (1) IT1118170B (ru)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58159739A (ja) * 1982-03-19 1983-09-22 オリンパス光学工業株式会社 レ−ザ手術装置
JPS6052613A (ja) * 1983-08-30 1985-03-25 Toyobo Co Ltd 高強力、高弾性率ポリエチレン繊維
JP2543360B2 (ja) * 1987-04-06 1996-10-16 トヨタ自動車株式会社 多孔質ポリプロピレン繊維
JPH0636809Y2 (ja) * 1988-10-11 1994-09-28 株式会社モリタ製作所 歯科用レーザ切換装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL128691C (ru) * 1961-02-10
US3513110A (en) * 1965-07-26 1970-05-19 Celanese Corp Open-celled low density filamentary material
DE2550080B2 (de) * 1975-11-07 1978-03-09 Akzo Gmbh, 5600 Wuppertal Verfahren zur Herstellung von Filamenten mit nicht durchgehenden Hohlräumen
DE2554124C3 (de) * 1975-12-02 1986-07-10 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von hydrophilen Fasern und Fäden aus Acrylnitrilpolymerisaten

Also Published As

Publication number Publication date
DE2833568A1 (de) 1980-02-21
JPS5522097A (en) 1980-02-16
DE2833568C2 (de) 1987-02-12
CH637795GA3 (ru) 1983-08-31
AT372411B (de) 1983-10-10
FR2432564B1 (ru) 1982-12-10
ATA506279A (de) 1983-02-15
ES482966A1 (es) 1980-05-16
IT1118170B (it) 1986-02-24
CH637795B (de)
BR7904887A (pt) 1980-04-22
BE877930A (fr) 1979-11-16
IT7949806A0 (it) 1979-07-19
GB2026935A (en) 1980-02-13
FR2432564A1 (fr) 1980-02-29
GB2026935B (en) 1982-09-08

Similar Documents

Publication Publication Date Title
CN101342465B (zh) 一种中空纤维多孔膜及其制备方法
US20050244627A1 (en) Low density light weight filament and fiber
EP0908541B1 (en) Fibril based fibers, method of manufacturing same, spinning nozzle used in same, and moldings obtained therefrom
US4564488A (en) Methods for the preparation of porous fibers and membranes
DE69130879T2 (de) Polyvinylidenmembrane
CN113166406B (zh) 制备功能性纤维的方法
CN108499369A (zh) 聚醚醚酮中空纤维膜、其孔径控制方法及制备方法
CN101235551A (zh) 一种高剪切超高分子量聚乙烯连续溶解纺丝新方法
NO153879B (no) Fremstilling av en membran med poroes overflate.
KR100839508B1 (ko) 미세다공질 섬유
CA1140309A (en) Filaments with porous surface
Robeson et al. Microfiber formation: Immiscible polymer blends involving thermoplastic poly (vinyl alcohol) as an extractable matrix
DE1949773A1 (de) Polyacrylnitrilgemische und Verfahren zum Schmelzspinnen bzw. Schmelzextrudieren dieser Gemische
CN107383399A (zh) 致密结构的聚合物膜或纤维的制备方法
US4810448A (en) Processes for the production of dry-spun polyacrylonitrile profiled fibres and filaments
Eashoo et al. Fibers from a low dielectric constant fluorinated polyimide: solution spinning and morphology control
Gupta Solution-spinning processes
KR100264676B1 (ko) 고밀도 폴리에틸렌 중공사 분리막의 제조방법
DE2006398B2 (de) Verfahren zur Herstellung von hochspannungsfestem, oldichtem und warme bestandigem Isolierpapier für elektrische Kraftkabel
GB1558639A (en) Polypyrrolidone filaments
US5254303A (en) Method and device for manufacturing molded bodies
KR100595488B1 (ko) 다공성 멤브레인 및 그의 제조방법
KR100839510B1 (ko) 미세다공질 섬유의 제조방법
JPS5898412A (ja) 選択透過性セルロース・エステル中空繊維の製造方法
KR920008996B1 (ko) 이섬도 이형 해도형 복합섬유의 제조방법

Legal Events

Date Code Title Description
MKEX Expiry