GB167199A - Improvements in processes for the treatment of viscose - Google Patents

Improvements in processes for the treatment of viscose

Info

Publication number
GB167199A
GB167199A GB2056/20A GB205620A GB167199A GB 167199 A GB167199 A GB 167199A GB 2056/20 A GB2056/20 A GB 2056/20A GB 205620 A GB205620 A GB 205620A GB 167199 A GB167199 A GB 167199A
Authority
GB
United Kingdom
Prior art keywords
viscose
treatment
processes
cellulose
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
GB2056/20A
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.)
Individual
Original Assignee
Individual
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
Priority to FR522182A priority Critical patent/FR522182A/en
Priority to DE1920353948D priority patent/DE353948C/en
Priority to DE1920352962D priority patent/DE352962C/en
Application filed by Individual filed Critical Individual
Priority to CH86848D priority patent/CH86848A/en
Priority to GB2056/20A priority patent/GB167199A/en
Priority to GB3116/20A priority patent/GB167201A/en
Priority to FR23053A priority patent/FR23053E/en
Publication of GB167199A publication Critical patent/GB167199A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/08—Alkali cellulose
    • 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
    • D01F2/08—Composition of the spinning solution or the bath

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Artificial Filaments (AREA)
  • Jellies, Jams, And Syrups (AREA)

Abstract

The treatment of cellulose with caustic alkali solution preparatory to its conversion into viscose, is rendered more thorough by subjecting the cellulose either before or during the soaking process to a high degree of vacuum in order to expel air from the fibres.
GB2056/20A 1920-01-10 1920-01-22 Improvements in processes for the treatment of viscose Expired GB167199A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR522182A FR522182A (en) 1920-01-10 1920-01-10 Process for preparing viscose solutions that are easy to filter using vacuum
DE1920353948D DE353948C (en) 1920-01-10 1920-01-21 Process for the pretreatment of cellulose for the production of easily filterable viscose
DE1920352962D DE352962C (en) 1920-01-10 1920-01-21 Process for the pretreatment of cellulose for the production of easily filterable viscose
CH86848D CH86848A (en) 1920-01-10 1920-01-22 Process for the production of easily filterable viscose.
GB2056/20A GB167199A (en) 1920-01-10 1920-01-22 Improvements in processes for the treatment of viscose
GB3116/20A GB167201A (en) 1920-01-10 1920-02-02 Improvements in processes for making viscose
FR23053A FR23053E (en) 1920-01-10 1920-02-10 Process for preparing viscose solutions that are easy to filter using vacuum

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR522182T 1920-01-10
DE352962T 1920-01-21
CH86848T 1920-01-22
GB2056/20A GB167199A (en) 1920-01-10 1920-01-22 Improvements in processes for the treatment of viscose

Publications (1)

Publication Number Publication Date
GB167199A true GB167199A (en) 1921-07-22

Family

ID=40361485

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2056/20A Expired GB167199A (en) 1920-01-10 1920-01-22 Improvements in processes for the treatment of viscose
GB3116/20A Expired GB167201A (en) 1920-01-10 1920-02-02 Improvements in processes for making viscose

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB3116/20A Expired GB167201A (en) 1920-01-10 1920-02-02 Improvements in processes for making viscose

Country Status (4)

Country Link
CH (1) CH86848A (en)
DE (2) DE352962C (en)
FR (2) FR522182A (en)
GB (2) GB167199A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2530403A (en) * 1946-11-21 1950-11-21 Stewart E Seaman Continuous xanthation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2592355A (en) * 1949-11-21 1952-04-08 Tachikawa Shozo Process for manufacturing macromolecular cellulose fiber

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2530403A (en) * 1946-11-21 1950-11-21 Stewart E Seaman Continuous xanthation

Also Published As

Publication number Publication date
FR522182A (en) 1921-07-27
CH86848A (en) 1920-10-16
DE353948C (en) 1922-05-27
DE352962C (en) 1922-05-09
GB167201A (en) 1921-08-02
FR23053E (en) 1921-10-03

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