GB535867A - Improvements in and relating to a process for the manufacture of elongated articles of regenerated cellulose - Google Patents

Improvements in and relating to a process for the manufacture of elongated articles of regenerated cellulose

Info

Publication number
GB535867A
GB535867A GB118/40A GB11840A GB535867A GB 535867 A GB535867 A GB 535867A GB 118/40 A GB118/40 A GB 118/40A GB 11840 A GB11840 A GB 11840A GB 535867 A GB535867 A GB 535867A
Authority
GB
United Kingdom
Prior art keywords
decomposition
articles
coagulation
cellulose
passed
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
GB118/40A
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.)
CELLULOSE HOLDINGS Ltd
Original Assignee
CELLULOSE HOLDINGS Ltd
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 CELLULOSE HOLDINGS Ltd filed Critical CELLULOSE HOLDINGS Ltd
Publication of GB535867A publication Critical patent/GB535867A/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
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
    • 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
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/02—Heat treatment
    • 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

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

535,867. Artificial silk, processes, treating. CELLULOSE HOLDINGS, Ltd. Jan. 2, 1940. No. 118. Convention date, Feb. 8, 1939. Drawings to Specification. [Class 2 (ii)] Elongated articles of regenerated cellulose are continuously produced by the coagulation and decomposition of cellulose xanthates ; they are then heated in the presence of water vapour to complete the decomposition and to remove the volatile impurities before the de-sulphurizing treatment takes place. The process is applied to the production of films, filaments and tubing of viscose which may be cast or extruded into a liquid containing a strong mineral acid or an acid salt to effect the coagulation and decomposition ; or two separate baths may be used to effect coagulation and decomposition separately. The articles are then passed through a heated atmosphere containing water vapour, preferably steam; the temperature for this step of the process is maintained at 70‹ C. or higher. The articles are then passed in a sinuous path around rollers in baths for the usual treatments of desulphurizing, purifying, bleaching, dyeing and softening.
GB118/40A 1939-02-08 1940-01-02 Improvements in and relating to a process for the manufacture of elongated articles of regenerated cellulose Expired GB535867A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US535867XA 1939-02-08 1939-02-08

Publications (1)

Publication Number Publication Date
GB535867A true GB535867A (en) 1941-04-24

Family

ID=21985261

Family Applications (1)

Application Number Title Priority Date Filing Date
GB118/40A Expired GB535867A (en) 1939-02-08 1940-01-02 Improvements in and relating to a process for the manufacture of elongated articles of regenerated cellulose

Country Status (1)

Country Link
GB (1) GB535867A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2744292A (en) * 1953-02-10 1956-05-08 Rayonier Inc Regenerated cellulose sheets and process of producing the sheets

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2744292A (en) * 1953-02-10 1956-05-08 Rayonier Inc Regenerated cellulose sheets and process of producing the sheets

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