GB400035A - Process for treating artificial materials obtained from viscose - Google Patents

Process for treating artificial materials obtained from viscose

Info

Publication number
GB400035A
GB400035A GB1712/33A GB171233A GB400035A GB 400035 A GB400035 A GB 400035A GB 1712/33 A GB1712/33 A GB 1712/33A GB 171233 A GB171233 A GB 171233A GB 400035 A GB400035 A GB 400035A
Authority
GB
United Kingdom
Prior art keywords
alkaline
treatment
parts
solution
desulphurizing
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
GB1712/33A
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.)
MAX GEORGE LUFT
Soie Artificielle De Gand S A
Original Assignee
MAX GEORGE LUFT
Soie Artificielle De Gand S A
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 MAX GEORGE LUFT, Soie Artificielle De Gand S A filed Critical MAX GEORGE LUFT
Publication of GB400035A publication Critical patent/GB400035A/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
    • D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
    • D01F11/02—Chemical after-treatment of artificial filaments or the like during manufacture of cellulose, cellulose derivatives, or proteins

Abstract

Artificial materials, such as artificial silk, fluff, hair, tow, films, pellicles, ribbons, transparent paper, obtained from cellulose xanthogenate solutions are desulphurized by treatment with a solution of an alkaline sulphite, or sulphurous acid containing a very small quantity of an ammonium base, or an alkali or alkaline-earth carbonate or bicarbonate sufficient to neutralize traces of acids from the coagulating baths which have not been completely removed. Shrinking of the materials during the desulphurizing treatment is avoided. When alkaline-earth bicarbonates are used the solution may contain an excess of carbon dioxide. In an example, the desulphurizing solution is made by dissolving 2 parts by weight of crystallized sodium sulphite, and 0.6 parts of sodium carbonate in 100 parts of water. The treatment may be carried out at ordinary or higher temperatures. It may be applied to filaments continuously with production, or to the material in the form of skeins, cakes, or bobbins.
GB1712/33A 1932-01-18 1933-01-18 Process for treating artificial materials obtained from viscose Expired GB400035A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE400035X 1932-01-18

Publications (1)

Publication Number Publication Date
GB400035A true GB400035A (en) 1933-10-19

Family

ID=3869040

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1712/33A Expired GB400035A (en) 1932-01-18 1933-01-18 Process for treating artificial materials obtained from viscose

Country Status (4)

Country Link
BE (1) BE385773A (en)
FR (1) FR749149A (en)
GB (1) GB400035A (en)
NL (1) NL34316C (en)

Also Published As

Publication number Publication date
BE385773A (en)
NL34316C (en)
FR749149A (en) 1933-07-18

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