FI65787C - Foerfarande foer foerbaettring av loesningstillstaondet hos vikosmassor - Google Patents

Foerfarande foer foerbaettring av loesningstillstaondet hos vikosmassor Download PDF

Info

Publication number
FI65787C
FI65787C FI790118A FI790118A FI65787C FI 65787 C FI65787 C FI 65787C FI 790118 A FI790118 A FI 790118A FI 790118 A FI790118 A FI 790118A FI 65787 C FI65787 C FI 65787C
Authority
FI
Finland
Prior art keywords
viscose
bar
overpressure
dissolution
pressure
Prior art date
Application number
FI790118A
Other languages
English (en)
Finnish (fi)
Other versions
FI65787B (fi
FI790118A7 (fi
Inventor
Reinhart Mayer
Original Assignee
Hoechst 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 Hoechst Ag filed Critical Hoechst Ag
Publication of FI790118A7 publication Critical patent/FI790118A7/fi
Application granted granted Critical
Publication of FI65787B publication Critical patent/FI65787B/fi
Publication of FI65787C publication Critical patent/FI65787C/fi

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B9/00Cellulose xanthate; Viscose

Landscapes

  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Artificial Filaments (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Saccharide Compounds (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Confectionery (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
FI790118A 1978-01-17 1979-01-15 Foerfarande foer foerbaettring av loesningstillstaondet hos vikosmassor FI65787C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19782801820 DE2801820A1 (de) 1978-01-17 1978-01-17 Verfahren zur verbesserung des loesungszustandes von viskosen
DE2801820 1978-01-17

Publications (3)

Publication Number Publication Date
FI790118A7 FI790118A7 (fi) 1979-07-18
FI65787B FI65787B (fi) 1984-03-30
FI65787C true FI65787C (fi) 1984-07-10

Family

ID=6029666

Family Applications (1)

Application Number Title Priority Date Filing Date
FI790118A FI65787C (fi) 1978-01-17 1979-01-15 Foerfarande foer foerbaettring av loesningstillstaondet hos vikosmassor

Country Status (7)

Country Link
US (1) US4340429A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0003135B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS54103448A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) AT379154B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE2801820A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FI (1) FI65787C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NO (1) NO147988B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409384A (en) 1981-11-12 1983-10-11 E. I. Du Pont De Nemours And Company Viscose preparation using low concentration caustic
SE455505B (sv) * 1983-05-05 1988-07-18 Berol Kemi Ab Sett att forbettra en viskoslosnings filtrerbarhet
JPH0226515A (ja) * 1988-07-15 1990-01-29 Matsushita Electric Works Ltd 浴室構造
FI98892C (fi) * 1994-11-15 1997-09-10 Turun Asennusteam Oy Polymeerien liuotusmenetelmä ja -laite
US6306334B1 (en) * 1996-08-23 2001-10-23 The Weyerhaeuser Company Process for melt blowing continuous lyocell fibers
GB2493491B (en) * 2011-05-20 2016-01-20 Innovia Films Ltd Process
GB2493489A (en) * 2011-05-20 2013-02-13 Innovia Films Ltd Process for making cellulose film
JP2024178623A (ja) * 2023-06-13 2024-12-25 レンゴー株式会社 アルカリセルロース材料、ビスコース及びビスコースの製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1917646A (en) * 1930-05-31 1933-07-11 Kalle & Co Ag Method of making viscose
GB709700A (en) * 1950-08-11 1954-06-02 Textile & Chem Res Co Ltd Improvements in or relating to the production of cellulose xanthogenate compositions
BE549591A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1955-08-08
US2985647A (en) * 1959-01-12 1961-05-23 Kohorn Oscar Von Manufacture of viscose spinning solution
US3395140A (en) * 1966-05-02 1968-07-30 American Enka Corp Shortening time required for xanthatecaustic slurry formation
US4037039A (en) * 1975-09-04 1977-07-19 Fiber Associates, Inc. Process for continuous xanthation and production of viscose spinning solution

Also Published As

Publication number Publication date
US4340429A (en) 1982-07-20
EP0003135A3 (en) 1979-09-05
EP0003135A2 (de) 1979-07-25
DE2801820A1 (de) 1979-07-19
FI65787B (fi) 1984-03-30
AT379154B (de) 1985-11-25
DE2963230D1 (en) 1982-08-19
FI790118A7 (fi) 1979-07-18
NO147988B (no) 1983-04-11
JPS6234053B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-07-24
NO790145L (no) 1979-07-18
ATA26379A (de) 1985-04-15
EP0003135B1 (de) 1982-07-07
JPS54103448A (en) 1979-08-14

Similar Documents

Publication Publication Date Title
US2306451A (en) Cellulose derivatives
KR20080002664A (ko) 비스코스 제조에서 고 헤미셀룰로오스 펄프 가공 방법 및이로부터 제조된 제품
Wilkes The viscose process
WO2020251463A1 (en) Fibers produced from recycled cellulosic waste material
FI65787C (fi) Foerfarande foer foerbaettring av loesningstillstaondet hos vikosmassor
US9610379B2 (en) Absorbent fibres produced from low-substituted carboxymethyl cellulose and the process thereof
CN115961368B (zh) 一种离子液法菌草再生纤维素纤维及其制备方法
JPS63235599A (ja) 強化セルロースアミノメタネート
CN115160445A (zh) 一种羧甲基纤维素及其制备工艺
US2985647A (en) Manufacture of viscose spinning solution
EP3093389A1 (en) Dissolving pulp
CZ286198A3 (cs) Způsob výroby viskózy a viskózových výrobků
US20180135244A1 (en) Specialty pulp with high intrinsic viscosity
US6392033B1 (en) Method for viscose production
US2068631A (en) Preparation of cellulose xanthate solutions
WO2000012790A1 (en) New regenerated cellulose fiber and process of preparing the same
NO810007L (no) Fremgangsmaate til fremstilling av viskose.
KR100496242B1 (ko) 가교 키토산섬유 및 제조방법.
Safy El-Din et al. The effect of cold alkali pretreatment on the reactivity of some cellulosic pulps towards acetylation
GB1560773A (en) Spinnable cellulose solutions
US2045345A (en) Manufacture of cellulose products
KR20220122830A (ko) 칼슘-카르복시메틸셀룰로오스 섬유의 제조방법
US2993798A (en) Viscose spinning solution containing xanthated lower alcohol
US2856402A (en) Treatment of cotton linters
Abou-State et al. Cold alkali refining of cellulosic pulps derived from Egyptian cotton and bagasse

Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: HOECHST AG