GB298138A - Improved process of precipitating viscose solutions - Google Patents

Improved process of precipitating viscose solutions

Info

Publication number
GB298138A
GB298138A GB28387/28A GB2838728A GB298138A GB 298138 A GB298138 A GB 298138A GB 28387/28 A GB28387/28 A GB 28387/28A GB 2838728 A GB2838728 A GB 2838728A GB 298138 A GB298138 A GB 298138A
Authority
GB
United Kingdom
Prior art keywords
improved process
acid
viscose solutions
precipitating
sulphonic
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
GB28387/28A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Publication of GB298138A publication Critical patent/GB298138A/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
    • D01F2/06—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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

298,138. I. G. Farbenindustrie Akt.- Ges. Oct. 3, 1927, [Convention date]. Void [Published under Sect. 91 of the Acts]. Sulphonic acids.-A sulphonic acid is obtained by treating yellow oil, obtained from brown coal tar, with chlorosulphonic acid. Alternatively. to a mixture of solar oil and solvent naphtha is added sulphuric acid with cooling, and subsequently cleum.
GB28387/28A 1927-10-03 1928-10-03 Improved process of precipitating viscose solutions Expired GB298138A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE298138X 1927-10-03

Publications (1)

Publication Number Publication Date
GB298138A true GB298138A (en) 1929-09-19

Family

ID=6090892

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28387/28A Expired GB298138A (en) 1927-10-03 1928-10-03 Improved process of precipitating viscose solutions

Country Status (3)

Country Link
BE (1) BE354498A (en)
FR (1) FR660997A (en)
GB (1) GB298138A (en)

Also Published As

Publication number Publication date
BE354498A (en)
FR660997A (en) 1929-07-19

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