NL7807225A - Holle celluloseacetaatvezels en werkwijzen voor de vervaardiging en toepassing ervan. - Google Patents

Holle celluloseacetaatvezels en werkwijzen voor de vervaardiging en toepassing ervan.

Info

Publication number
NL7807225A
NL7807225A NL7807225A NL7807225A NL7807225A NL 7807225 A NL7807225 A NL 7807225A NL 7807225 A NL7807225 A NL 7807225A NL 7807225 A NL7807225 A NL 7807225A NL 7807225 A NL7807225 A NL 7807225A
Authority
NL
Netherlands
Prior art keywords
cellulose acetate
hollow fibers
manufacture
methods
glycerine
Prior art date
Application number
NL7807225A
Other languages
English (en)
Dutch (nl)
Original Assignee
Cordis Dow Corp
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 Cordis Dow Corp filed Critical Cordis Dow Corp
Publication of NL7807225A publication Critical patent/NL7807225A/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/08Polysaccharides
    • B01D71/12Cellulose derivatives
    • B01D71/14Esters of organic acids
    • B01D71/16Cellulose acetate
    • 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
    • B01D67/0025Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
    • B01D67/0027Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
    • 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
    • B01D69/08Hollow fibre membranes
    • 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
    • B01D69/081Hollow fibre membranes characterised by the fibre diameter
    • 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
    • B01D69/087Details relating to the spinning process
    • 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
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/24Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
    • D01F2/28Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/20Specific permeability or cut-off range

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
  • External Artificial Organs (AREA)
NL7807225A 1977-07-05 1978-07-04 Holle celluloseacetaatvezels en werkwijzen voor de vervaardiging en toepassing ervan. NL7807225A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81292977A 1977-07-05 1977-07-05

Publications (1)

Publication Number Publication Date
NL7807225A true NL7807225A (nl) 1979-01-09

Family

ID=25211003

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7807225A NL7807225A (nl) 1977-07-05 1978-07-04 Holle celluloseacetaatvezels en werkwijzen voor de vervaardiging en toepassing ervan.

Country Status (18)

Country Link
JP (2) JPS5442420A (xx)
AT (1) AT364899B (xx)
AU (1) AU519458B2 (xx)
BE (1) BE868708A (xx)
BR (1) BR7804325A (xx)
CA (1) CA1107020A (xx)
CH (1) CH632536A5 (xx)
DD (1) DD137950A5 (xx)
DE (1) DE2827100C2 (xx)
DK (1) DK149600C (xx)
FR (1) FR2396780A1 (xx)
GB (1) GB2000722B (xx)
IT (1) IT1107799B (xx)
MX (1) MX153159A (xx)
NL (1) NL7807225A (xx)
NO (1) NO147979C (xx)
NZ (1) NZ187610A (xx)
SE (1) SE428221B (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1153171A (en) * 1979-12-17 1983-09-06 David T. Chen Cellulose semipermeable hollow fibers and method for making same
JPS5949806A (ja) * 1982-09-13 1984-03-22 Teijin Ltd セルロースエステル系中空糸状分離膜
JPS59199807A (ja) * 1983-04-20 1984-11-13 Teijin Ltd 選択透過性セルロ−スエステル系中空繊維の製造方法
JPS59211459A (ja) * 1983-05-17 1984-11-30 帝人株式会社 血液処理器の滅菌方法
JPS605202A (ja) * 1983-06-21 1985-01-11 Teijin Ltd 多孔性セルロ−スエステル系中空繊維およびその製造方法
CA1272139C (en) * 1984-11-16 1990-07-31 FLUID SEPARATOR, HOLLOW FIBERS USED FOR ITS MANUFACTURE, AND PREPARATION OF SAID HOLLOW FIBERS
JPS6343669A (ja) * 1986-08-08 1988-02-24 帝人株式会社 血液処理器の製造方法
KR100928887B1 (ko) 2001-06-26 2009-11-30 도레이 카부시키가이샤 열가소성 셀룰로오스 유도체 조성물로 이루어진 섬유
DK2818228T3 (da) * 2012-02-24 2020-09-07 Toyo Boseki Hulfibertype cellulosetriacetat-semipermeabel membran, fremgangsmåde til fremstilling af samme, modul og vandbehandlingsfremgangsmåde
JP6699172B2 (ja) * 2014-09-30 2020-05-27 東レ株式会社 分離膜
DE102020102096B4 (de) 2020-01-29 2023-03-23 Cerdia International GmbH Celluloseacetathaltiger faserstoff für ein nonwoven-produkt, nonwoven-produkt mit einem solchen faserstoff und verfahren zur herstellung eines solchen faserstoffs
US20230397602A1 (en) * 2020-10-30 2023-12-14 Toyobo Co., Ltd. Cell cryopreservation hollow fiber membrane

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE342820A (xx) * 1925-09-17
FR1456757A (fr) * 1964-09-02 1966-07-08 Dow Chemical Co Fibres creuses sélectivement perméables et leur fabrication
US3423491A (en) * 1964-09-02 1969-01-21 Dow Chemical Co Permselective hollow fibers and method of making
US3532527A (en) * 1966-11-04 1970-10-06 Dow Chemical Co Permeable separatory membranes
US3745202A (en) * 1971-03-17 1973-07-10 Us Interior Method of preparing an asymmetric membrane from a cellulose derivative
JPS5170316A (ja) * 1974-12-16 1976-06-17 Teijin Ltd Seruroosuaseteetochukushino seizohoho

Also Published As

Publication number Publication date
ATA477578A (de) 1981-04-15
NO147979C (no) 1983-07-20
CA1107020A (en) 1981-08-18
IT1107799B (it) 1985-11-25
FR2396780A1 (fr) 1979-02-02
JPS6317922B2 (xx) 1988-04-15
BE868708A (fr) 1979-01-04
GB2000722A (en) 1979-01-17
FR2396780B1 (xx) 1983-02-25
DK302078A (da) 1979-01-06
BR7804325A (pt) 1979-04-17
DD137950A5 (de) 1979-10-03
DE2827100C2 (de) 1983-04-28
NZ187610A (en) 1980-09-12
SE428221B (sv) 1983-06-13
MX153159A (es) 1986-08-14
SE7807516L (sv) 1979-01-06
NO147979B (no) 1983-04-11
AU519458B2 (en) 1981-12-03
AT364899B (de) 1981-11-25
AU3697178A (en) 1979-12-13
DK149600B (da) 1986-08-04
JPS62250215A (ja) 1987-10-31
DE2827100A1 (de) 1979-01-25
CH632536A5 (fr) 1982-10-15
JPS5442420A (en) 1979-04-04
DK149600C (da) 1987-02-09
GB2000722B (en) 1982-01-27
NO782320L (no) 1979-01-08
IT7850125A0 (it) 1978-06-30

Similar Documents

Publication Publication Date Title
NL7807225A (nl) Holle celluloseacetaatvezels en werkwijzen voor de vervaardiging en toepassing ervan.
DK511676A (da) Formstoffer iser til anvendelse ved fremstilling af membraner samt fremgangsmade til fremstilling af sadanne formstoffer
DK158679C (da) Fremgangsmaade til fremstilling af ethanol
DK363180A (da) Fr&mgangsmaade til fremstilling af et antidiarrhoeamiddel
NL7706609A (nl) Dialysemembraan voor de hemndialyse en werkwijze ter vervaardiging daarvan.
DK464478A (da) Fremgangsmaade til fremstilling af 3-substituerede 6-(1'hydroxyethyl)-m-oxo-1-azabicyclo(3,2,0)hept-2-en-2-carboxylsyrer eller derivater deraf
SE7704080L (sv) Okularmembran samt forfarande for framstellning derav
CH632628B (de) Verfahren zur herstellung von benzofuranyl-benzimidazolen und deren verwendung als optische aufheller.
DK347875A (da) Fibre indeholdende antistoffer antigener eller antisera samt fremgangsmade til fremstilling af sadanne fibre
NL7606951A (nl) Optische vezeltransmissielijn, alsmede werkwijze voor de vervaardiging daarvan.
DK331789A (da) Mellemprodukt til fremstilling af (s)-alpha-cyan-3-phenoxybenzylalkohol
NL7801201A (nl) Werkwijze voor de vervaardiging van optische vezels.
NL7800157A (nl) Werkwijze voor de vervaardiging van optische fibers voor telecommunicatie.
AT368150B (de) Verfahren zur herstellung von neuen aethern
DK96179A (da) Fremgangsmaade til fremstilling af heterocyclylcarbonylderivater af urinstof
AT292212B (de) Verfahren zur Herstellung des neuen 7α-Methyl-3,16β,17β-trihydroxy-Δ<1,3,5(10)>-oestratriens
DK568776A (da) Fremgangsmade til fremstilling af flydende furan-formaldehyd-formstoffer
DK4077A (da) Platin-rhodium-legering, navnlig til fremstilling af trekbosninger til fremstilling af glasfibre
DK156578C (da) Fremgangsmaade til fremstilling af blaereholdige polymerperler
ATE1712T1 (de) Verfahren zur herstellung von polyglycidylaethern von polyphenolen.
NL7808481A (nl) Werkwijze voor het vervaardigen van optische vezels en dergelijke vezels.
DK161522C (da) Trimethylsilylestre eller andre lethydrolyserbare estre af 7-trimethylsilylcarbonylaminodecephalosporinsyre samt fremgangsmaade til fremstilling deraf
DD131026A5 (de) Verfahren zur herstellung von methyldichlorphosphan
SE7812591L (sv) Koppar-zink-legering och forfarande for framstellning av densamma
ATE1644T1 (de) Verfahren zur herstellung von polyglycidylaethern von polyphenolen.

Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed