GB584911A - Improvements in or relating to wet spun artificial filaments - Google Patents

Improvements in or relating to wet spun artificial filaments

Info

Publication number
GB584911A
GB584911A GB1022442A GB1022442A GB584911A GB 584911 A GB584911 A GB 584911A GB 1022442 A GB1022442 A GB 1022442A GB 1022442 A GB1022442 A GB 1022442A GB 584911 A GB584911 A GB 584911A
Authority
GB
United Kingdom
Prior art keywords
salt
aluminium
solution
mols
spinning
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
GB1022442A
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.)
EDWIN ROBERTS WINTON
Imperial Chemical Industries Ltd
Original Assignee
EDWIN ROBERTS WINTON
Imperial Chemical Industries 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 EDWIN ROBERTS WINTON, Imperial Chemical Industries Ltd filed Critical EDWIN ROBERTS WINTON
Priority to GB1022442A priority Critical patent/GB584911A/en
Publication of GB584911A publication Critical patent/GB584911A/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
    • D01F2/24—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

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

Fireproof filaments are formed by wet-spinning a concentrated syrupy aqueous solution of a salt of a cellulose hydroxy fatty acid into an aqueous solution of an aluminium salt adapted to coagulate the filament and replace the cation of the cellulosic salt by aluminium. A salt of the necessary solubility and viscosity may be prepared by etherifying alkali cellulose in more than one stage, e.g. first with 3/4 mols. sodium chloracetate and then with 3/4 mols. ethyl chloracetate. The viscosity should be such as to permit of spinning at a concentration of not less than 15 per cent, and the pH of the solution should be brought to 5.5 to 8, for example, by the addition of nitric acid. The deaerated solution is passed through a filter to a spinneret and into a coagulating bath containing aluminium sulphate and sodium sulphate maintained at a pH of from 3 to 5 and a temperature of 55-60 DEG C. A succession of coagulating baths may be employed.
GB1022442A 1942-07-22 1942-07-22 Improvements in or relating to wet spun artificial filaments Expired GB584911A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1022442A GB584911A (en) 1942-07-22 1942-07-22 Improvements in or relating to wet spun artificial filaments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1022442A GB584911A (en) 1942-07-22 1942-07-22 Improvements in or relating to wet spun artificial filaments

Publications (1)

Publication Number Publication Date
GB584911A true GB584911A (en) 1947-01-27

Family

ID=9963893

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1022442A Expired GB584911A (en) 1942-07-22 1942-07-22 Improvements in or relating to wet spun artificial filaments

Country Status (1)

Country Link
GB (1) GB584911A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2603839A (en) * 1949-11-12 1952-07-22 Eastman Kodak Co Method of forming filaments of metal salts of cellulose sulfate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2603839A (en) * 1949-11-12 1952-07-22 Eastman Kodak Co Method of forming filaments of metal salts of cellulose sulfate

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