SE7807516L - CELLULOSE ACETATE HALF FIBERS AND MANUFACTURED IT - Google Patents

CELLULOSE ACETATE HALF FIBERS AND MANUFACTURED IT

Info

Publication number
SE7807516L
SE7807516L SE7807516A SE7807516A SE7807516L SE 7807516 L SE7807516 L SE 7807516L SE 7807516 A SE7807516 A SE 7807516A SE 7807516 A SE7807516 A SE 7807516A SE 7807516 L SE7807516 L SE 7807516L
Authority
SE
Sweden
Prior art keywords
manufactured
cellulose acetate
half fibers
acetate half
fibers
Prior art date
Application number
SE7807516A
Other languages
Swedish (sv)
Other versions
SE428221B (en
Inventor
M J Kell
R D Mahoney
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 SE7807516L publication Critical patent/SE7807516L/en
Publication of SE428221B publication Critical patent/SE428221B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/08—Polysaccharides
    • B01D71/12—Cellulose derivatives
    • B01D71/14—Esters of organic acids
    • B01D71/16—Cellulose acetate
    • 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
    • B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
    • B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
    • 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
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • 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
    • B01D69/08—Hollow fibre membranes
    • B01D69/081—Hollow fibre membranes characterised by the fibre diameter
    • 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
    • B01D69/08—Hollow fibre membranes
    • B01D69/087—Details relating to the spinning process
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • 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
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
    • D01F2/28—Monocomponent 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/20—Specific 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)
SE7807516A 1977-07-05 1978-07-04 HALFIBER OF CELLULOSA ACETATE AND WAY TO MAKE IT SE428221B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
SE7807516L true SE7807516L (en) 1979-01-06
SE428221B SE428221B (en) 1983-06-13

Family

ID=25211003

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7807516A SE428221B (en) 1977-07-05 1978-07-04 HALFIBER OF CELLULOSA ACETATE AND WAY TO MAKE IT

Country Status (18)

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

Families Citing this family (11)

* 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 (en) * 1982-09-13 1984-03-22 Teijin Ltd Selectively permeable hollow fiber of cellulose ester and its production
JPS59199807A (en) * 1983-04-20 1984-11-13 Teijin Ltd Preparation of hollow yarn of cellulose ester having selective permeability
JPS59211459A (en) * 1983-05-17 1984-11-30 帝人株式会社 Pasturization of blood treating device
JPS605202A (en) * 1983-06-21 1985-01-11 Teijin Ltd Porous cellulose ester type hollow fiber and preparation thereof
CA1272139C (en) * 1984-11-16 1990-07-31 Fluid separator, hollow fiber to be used for construction thereof and process for preparation of said hollow fibers
JPS6343669A (en) * 1986-08-08 1988-02-24 帝人株式会社 Production of blood treatment device
CN100381622C (en) 2001-06-26 2008-04-16 东丽株式会社 Thermoplastic cellulose derivative composition and fiber comprising the same
ES2808665T3 (en) * 2012-02-24 2021-03-01 Toyo Boseki Hollow fiber type cellulose triacetate semipermeable membrane, process for making the same, module and process of water treatment
US10888822B2 (en) * 2014-09-30 2021-01-12 Toray Industries, Inc. Separation membrane
DE102020102096B4 (en) 2020-01-29 2023-03-23 Cerdia International GmbH CELLULOSE ACETATE FABRIC FOR A NONWOVEN PRODUCT, NONWOVEN PRODUCT CONTAINING SUCH FABRIC, AND METHOD OF MAKING SUCH FABRIC

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE336521A (en) * 1925-09-17
FR1456757A (en) * 1964-09-02 1966-07-08 Dow Chemical Co Selectively permeable hollow fibers and their manufacture
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 (en) * 1974-12-16 1976-06-17 Teijin Ltd SERUROOSUASETEETOCHUKUSHINO SEIZOHOHO

Also Published As

Publication number Publication date
FR2396780A1 (en) 1979-02-02
JPS5442420A (en) 1979-04-04
ATA477578A (en) 1981-04-15
JPS62250215A (en) 1987-10-31
DE2827100C2 (en) 1983-04-28
GB2000722B (en) 1982-01-27
AU519458B2 (en) 1981-12-03
NL7807225A (en) 1979-01-09
MX153159A (en) 1986-08-14
IT1107799B (en) 1985-11-25
DK302078A (en) 1979-01-06
BE868708A (en) 1979-01-04
DE2827100A1 (en) 1979-01-25
DK149600C (en) 1987-02-09
NO147979B (en) 1983-04-11
IT7850125A0 (en) 1978-06-30
GB2000722A (en) 1979-01-17
AU3697178A (en) 1979-12-13
BR7804325A (en) 1979-04-17
CA1107020A (en) 1981-08-18
AT364899B (en) 1981-11-25
NO147979C (en) 1983-07-20
DK149600B (en) 1986-08-04
NO782320L (en) 1979-01-08
DD137950A5 (en) 1979-10-03
SE428221B (en) 1983-06-13
FR2396780B1 (en) 1983-02-25
JPS6317922B2 (en) 1988-04-15
NZ187610A (en) 1980-09-12
CH632536A5 (en) 1982-10-15

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