GB167201A - Improvements in processes for making viscose - Google Patents

Improvements in processes for making viscose

Info

Publication number
GB167201A
GB167201A GB3116/20A GB311620A GB167201A GB 167201 A GB167201 A GB 167201A GB 3116/20 A GB3116/20 A GB 3116/20A GB 311620 A GB311620 A GB 311620A GB 167201 A GB167201 A GB 167201A
Authority
GB
United Kingdom
Prior art keywords
processes
making viscose
viscose
making
atmospheres
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
GB3116/20A
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
Application filed by Individual filed Critical Individual
Publication of GB167201A publication Critical patent/GB167201A/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

More rapid penetration of cellulose by caustic alkali solution in the preparation of viscose, is obtained if the materials, after being subjected to a vacuum according to the parent Specification, are submitted to an increased pressure of about 3-4 atmospheres.
GB3116/20A 1920-01-10 1920-02-02 Improvements in processes for making viscose Expired GB167201A (en)

Applications Claiming Priority (4)

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

Publications (1)

Publication Number Publication Date
GB167201A true GB167201A (en) 1921-08-02

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 Before (1)

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

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
US2592355A (en) * 1949-11-21 1952-04-08 Tachikawa Shozo Process for manufacturing macromolecular cellulose fiber

Families Citing this family (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

Cited By (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

Also Published As

Publication number Publication date
FR23053E (en) 1921-10-03
DE352962C (en) 1922-05-09
CH86848A (en) 1920-10-16
GB167199A (en) 1921-07-22
DE353948C (en) 1922-05-27
FR522182A (en) 1921-07-27

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