ZA776996B - Method for the preparation of fibers having a porous structure,porous fibers obtained thereby and uses of same - Google Patents

Method for the preparation of fibers having a porous structure,porous fibers obtained thereby and uses of same

Info

Publication number
ZA776996B
ZA776996B ZA00776996A ZA776996A ZA776996B ZA 776996 B ZA776996 B ZA 776996B ZA 00776996 A ZA00776996 A ZA 00776996A ZA 776996 A ZA776996 A ZA 776996A ZA 776996 B ZA776996 B ZA 776996B
Authority
ZA
South Africa
Prior art keywords
fibers
porous
preparation
same
porous structure
Prior art date
Application number
ZA00776996A
Other languages
English (en)
Inventor
F Gregoria
S Gulinelli
Original Assignee
Snam Progetti
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 Snam Progetti filed Critical Snam Progetti
Publication of ZA776996B publication Critical patent/ZA776996B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28023—Fibres or filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J47/00—Ion-exchange processes in general; Apparatus therefor
    • B01J47/12—Ion-exchange processes in general; Apparatus therefor characterised by the use of ion-exchange material in the form of ribbons, filaments, fibres or sheets, e.g. membranes
    • B01J47/127—Ion-exchange processes in general; Apparatus therefor characterised by the use of ion-exchange material in the form of ribbons, filaments, fibres or sheets, e.g. membranes in the form of filaments or fibres
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N11/00—Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
    • C12N11/02—Enzymes or microbial cells immobilised on or in an organic carrier
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Genetics & Genomics (AREA)
  • Analytical Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Biotechnology (AREA)
  • Biomedical Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Filaments (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Reinforced Plastic Materials (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Peptides Or Proteins (AREA)
ZA00776996A 1976-12-23 1977-11-24 Method for the preparation of fibers having a porous structure,porous fibers obtained thereby and uses of same ZA776996B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT30799/76A IT1065294B (it) 1976-12-23 1976-12-23 Procedimento per la preparazione di fibre a struttura porosa,fibre porose cosi'ottenute e impieghi delle stesse

Publications (1)

Publication Number Publication Date
ZA776996B true ZA776996B (en) 1978-09-27

Family

ID=11232128

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00776996A ZA776996B (en) 1976-12-23 1977-11-24 Method for the preparation of fibers having a porous structure,porous fibers obtained thereby and uses of same

Country Status (18)

Country Link
JP (1) JPS5381718A (xx)
AU (1) AU509081B2 (xx)
BE (1) BE862287A (xx)
CH (1) CH636381A5 (xx)
CS (1) CS208154B2 (xx)
DD (2) DD142897A5 (xx)
DE (1) DE2757787B2 (xx)
DK (1) DK575677A (xx)
FR (1) FR2375280A1 (xx)
GB (1) GB1572196A (xx)
HU (1) HU177739B (xx)
IT (1) IT1065294B (xx)
LU (1) LU78740A1 (xx)
NL (1) NL7714212A (xx)
NO (1) NO774403L (xx)
SE (1) SE432113B (xx)
YU (1) YU299777A (xx)
ZA (1) ZA776996B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2755341C2 (de) 1977-12-12 1983-09-08 Akzo Gmbh, 5600 Wuppertal Hydrophile Polyesterfasern
DE2906056A1 (de) * 1979-02-16 1980-08-28 Linde Ag Verfahren zur rueckgewinnung der salze der anthrachinondisulfonsaeure aus einem waschfluessigkeitsstrom
JPS56140113A (en) * 1980-03-28 1981-11-02 Kuraray Co Ltd Synthetic polyvinyl alcohol fiber having improved adhesive property to cement and its preparation
FR2565841B1 (fr) * 1984-06-14 1989-08-18 Inst Nat Rech Chimique Materiau a grande surface specifique et ses applications pour favoriser le contact entre des milieux ou des reactifs impliquant des phenomenes physiques et/ou chimiques, et/ou biologiques

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE342820A (xx) * 1925-09-17
GB802689A (en) * 1955-08-06 1958-10-08 British Nylon Spinners Ltd Improvements in or relating to yarn comprising crimped filaments and its manufacture
IL32406A (en) * 1968-06-26 1973-01-30 Snam Progetti Enzyme preparations comprising a solution or dispersion of enzyme occluded in filaments of cellulose esters or synthetic polymers
IT941398B (it) * 1971-04-28 1973-03-01 Snam Progetti Dispositivo atto a realizzare anali si nel campo della chimica organica
IT1012509B (it) * 1971-05-26 1977-03-10 Snam Progetti Procedimento per la preparazione di composti organici contenenti atomi marcati
DE2158124C3 (de) * 1971-11-24 1975-03-13 Boehringer Mannheim Gmbh, 6800 Mannheim Verwendung von Polyamidvlies oder -filz als saugfähiger Träger für diagnostische Mittel
JPS4911793A (xx) * 1972-05-10 1974-02-01
JPS554842B2 (xx) * 1972-06-30 1980-02-01
CH586726A5 (xx) * 1972-08-02 1977-04-15 Basf Ag
IT1017564B (it) * 1974-04-30 1977-08-10 Snam Progetti Processo per la preparazione di derivati adeninici funzionalizza ti e prodotti cosi ottenuti
IT1046849B (it) * 1974-06-12 1980-07-31 Snam Progetti Processo per la preparazione di derivati adeninici macromolecola rizzati e prodotti cosi ottenuti

Also Published As

Publication number Publication date
FR2375280B1 (xx) 1981-06-19
DE2757787B2 (de) 1979-08-16
NL7714212A (nl) 1978-06-27
HU177739B (en) 1981-12-28
DK575677A (da) 1978-06-24
SE432113B (sv) 1984-03-19
AU3099377A (en) 1979-06-28
NO774403L (no) 1978-06-26
CS208154B2 (en) 1981-08-31
AU509081B2 (en) 1980-04-17
FR2375280A1 (fr) 1978-07-21
SE7714702L (sv) 1978-06-24
LU78740A1 (xx) 1978-04-17
GB1572196A (en) 1980-07-23
CH636381A5 (en) 1983-05-31
IT1065294B (it) 1985-02-25
DE2757787A1 (de) 1978-06-29
BE862287A (fr) 1978-06-23
DD142897A5 (de) 1980-07-16
YU299777A (en) 1982-08-31
JPS5381718A (en) 1978-07-19
DD136856A5 (de) 1979-08-01

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