GB1038978A - Improvements in and relating to the manufacture of regenerated cellulose fibres fromviscose - Google Patents

Improvements in and relating to the manufacture of regenerated cellulose fibres fromviscose

Info

Publication number
GB1038978A
GB1038978A GB2347362A GB2347362A GB1038978A GB 1038978 A GB1038978 A GB 1038978A GB 2347362 A GB2347362 A GB 2347362A GB 2347362 A GB2347362 A GB 2347362A GB 1038978 A GB1038978 A GB 1038978A
Authority
GB
United Kingdom
Prior art keywords
caustic soda
fromviscose
relating
manufacture
fibres
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
GB2347362A
Inventor
Norman Samuel Wooding
Dewi Esmor Williams
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 Nobel UK PLC
Original Assignee
Courtaulds PLC
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 Courtaulds PLC filed Critical Courtaulds PLC
Priority to GB2347362A priority Critical patent/GB1038978A/en
Priority to FR938580A priority patent/FR1360961A/en
Publication of GB1038978A publication Critical patent/GB1038978A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
    • D01F11/02—Chemical after-treatment of artificial filaments or the like during manufacture of cellulose, cellulose derivatives, or proteins

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)

Abstract

1,038,978. Treating viscose rayon fibres. COURTAULDS Ltd. June 18, 1963 [June 19, 1962], No. 23473/62. Heading B5B. The extensibility of viscose rayon fibres having a crystallinity of more than 50% (measured by an X-ray method) is increased by impregnating the freshly-spun, never-dried, regenerated fibre in a relaxed state with a solution containing 0À5 to 8À0% by weight of caustic soda at 20‹ to 80‹ C. for at least 5 minutes. The caustic soda solution may be applied to the fibres as a desulphurizing step, instead of conventional desulphurizing agents. In examples, samples of a viscose prepared and spun as disclosed in Specification 915,803 are desulphurized in 1-6% caustic soda solutions for 25-30 minutes at 50-70‹ C.
GB2347362A 1962-06-19 1962-06-19 Improvements in and relating to the manufacture of regenerated cellulose fibres fromviscose Expired GB1038978A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB2347362A GB1038978A (en) 1962-06-19 1962-06-19 Improvements in and relating to the manufacture of regenerated cellulose fibres fromviscose
FR938580A FR1360961A (en) 1962-06-19 1963-06-19 Method for increasing the tensile strength of regenerated, highly crystalline cellulose fibers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2347362A GB1038978A (en) 1962-06-19 1962-06-19 Improvements in and relating to the manufacture of regenerated cellulose fibres fromviscose

Publications (1)

Publication Number Publication Date
GB1038978A true GB1038978A (en) 1966-08-17

Family

ID=10196190

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2347362A Expired GB1038978A (en) 1962-06-19 1962-06-19 Improvements in and relating to the manufacture of regenerated cellulose fibres fromviscose

Country Status (1)

Country Link
GB (1) GB1038978A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011128322A3 (en) * 2010-04-13 2011-12-22 Sappi Netherlands Services B.V. Process for the manufacture of cellulose-based fibres and the fibres thus obtained

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011128322A3 (en) * 2010-04-13 2011-12-22 Sappi Netherlands Services B.V. Process for the manufacture of cellulose-based fibres and the fibres thus obtained
EA024912B1 (en) * 2010-04-13 2016-11-30 Саппи Нидерландс Сервисез Б.В. Process for the manufacture of cellulose-based fibres and the fibres thus obtained
US9512543B2 (en) 2010-04-13 2016-12-06 Sappi Netherlands Services B.V. Process for the manufacture of cellulose-based fibres and the fibres thus obtained

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