GB523939A - Improvements in the manufacture and production of artificial filaments, threads and the like - Google Patents

Improvements in the manufacture and production of artificial filaments, threads and the like

Info

Publication number
GB523939A
GB523939A GB180939A GB180939A GB523939A GB 523939 A GB523939 A GB 523939A GB 180939 A GB180939 A GB 180939A GB 180939 A GB180939 A GB 180939A GB 523939 A GB523939 A GB 523939A
Authority
GB
United Kingdom
Prior art keywords
acid
threads
manufacture
production
subjected
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
GB180939A
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 GB180939A priority Critical patent/GB523939A/en
Publication of GB523939A publication Critical patent/GB523939A/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
    • D01F4/00—Monocomponent artificial filaments or the like of proteins; Manufacture thereof

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

523,939. Artificial silk &c. COURTAULDS, Ltd., WORMELL, R. L., and KNIGHT, C. L. Jan. 18, 1939, No. 1809. [Class 2 (ii)] Artificial filaments are obtained by extruding an alkaline solution of a protein such as casein into a solution which has a pH value not greater than 2 and which contains an addition of a soluble monocarboxylic aliphatic acid, e.g. formic, acetic, or lactic acid. The coagulating bath may contain sulphuric acid, sodium sulphate, and acetic acid. After leaving the coagulating bath, the thread may be washed and subjected to hardening and other treatments. It may be passed through a liquid containing formaldehyde, sodium sulphate, and aluminium sulphate, and it may be subjected to a stretching operation. Specification 502,710 is referred to.
GB180939A 1939-01-18 1939-01-18 Improvements in the manufacture and production of artificial filaments, threads and the like Expired GB523939A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB180939A GB523939A (en) 1939-01-18 1939-01-18 Improvements in the manufacture and production of artificial filaments, threads and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB180939A GB523939A (en) 1939-01-18 1939-01-18 Improvements in the manufacture and production of artificial filaments, threads and the like

Publications (1)

Publication Number Publication Date
GB523939A true GB523939A (en) 1940-07-25

Family

ID=9728397

Family Applications (1)

Application Number Title Priority Date Filing Date
GB180939A Expired GB523939A (en) 1939-01-18 1939-01-18 Improvements in the manufacture and production of artificial filaments, threads and the like

Country Status (1)

Country Link
GB (1) GB523939A (en)

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