GB318629A - Process of making artificial filaments and product thereof - Google Patents

Process of making artificial filaments and product thereof

Info

Publication number
GB318629A
GB318629A GB27043/29A GB2704329A GB318629A GB 318629 A GB318629 A GB 318629A GB 27043/29 A GB27043/29 A GB 27043/29A GB 2704329 A GB2704329 A GB 2704329A GB 318629 A GB318629 A GB 318629A
Authority
GB
United Kingdom
Prior art keywords
filaments
atmosphere
solvent
cellulose
passing
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
GB27043/29A
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.)
Acordis UK Ltd
Original Assignee
British Celanese 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 British Celanese Ltd filed Critical British Celanese Ltd
Publication of GB318629A publication Critical patent/GB318629A/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
    • D01F2/30—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 by the dry spinning process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

318,629. British Celanese, Ltd., (Assignees of Whitehead, W., and Dreyfus, C.). Sept. 8, 1928, [Convention date]. Cellulose carboxylates, ethers, and xanthates; unspecified cellulose soleations. - Filaments, bristles, artificial hair, or the like, having hollow spaces therein, are produced by extruding a solution of cellulose acetate or other derivative of cellulose, such as an ester or ether, into an atmosphere having a low evaporative power to produce a slow initial solidication of the filaments or the like, and then passing the filaments through an atmosphere having a high evaporative power to produce rapid solidification. According to one method of procedure, the filaments are extruded into an evaporative atmosphere maintained below the boiling point of the solvent used, and then passed through an atmosphere at a temperature considerably higher than the boiling point of the solvent. A .further method of carrying out the process is by causing the extruded filaments to pass through an atmosphere that is nearly saturated with a solvent vapour, or with the vapours of the solvent evolved from the filaments themselves, and then passing through a drying atmosphere having a low content of solvent vapour. Since the filaments remain plastic for some distance of their travel through the drying atmosphere, they may be drawn out at or near the jet to give hollow filaments or fine denier. The, Specification as open to inspection under Sect. 91 (3) (a) comprises also the process of extruding the filaments, &c. into a coagulation bath which acts merely to skin the surface of the filaments and then passing them into a bath which causes rapid solidification of the interior of the filaments. The application of the process to the spinning of viscose is also mentioned. This subject-matter does not appear in the Specification as accepted.
GB27043/29A 1928-09-08 1929-09-05 Process of making artificial filaments and product thereof Expired GB318629A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US318629XA 1928-09-08 1928-09-08

Publications (1)

Publication Number Publication Date
GB318629A true GB318629A (en) 1931-02-05

Family

ID=21861807

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27043/29A Expired GB318629A (en) 1928-09-08 1929-09-05 Process of making artificial filaments and product thereof

Country Status (1)

Country Link
GB (1) GB318629A (en)

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