FI118689B - Menetelmä selluloosakarbamaattiliuoksen valmistamiseksi - Google Patents

Menetelmä selluloosakarbamaattiliuoksen valmistamiseksi Download PDF

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Publication number
FI118689B
FI118689B FI20055619A FI20055619A FI118689B FI 118689 B FI118689 B FI 118689B FI 20055619 A FI20055619 A FI 20055619A FI 20055619 A FI20055619 A FI 20055619A FI 118689 B FI118689 B FI 118689B
Authority
FI
Finland
Prior art keywords
solution
cca
concentration
level
process according
Prior art date
Application number
FI20055619A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI20055619A0 (fi
FI20055619A (fi
Inventor
Kyoesti Valta
Eino Sivonen
Tero Malm
Original Assignee
Valtion Teknillinen
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 Valtion Teknillinen filed Critical Valtion Teknillinen
Priority to FI20055619A priority Critical patent/FI118689B/fi
Publication of FI20055619A0 publication Critical patent/FI20055619A0/fi
Priority to CN2006800438236A priority patent/CN101356196B/zh
Priority to EP06820095.5A priority patent/EP1957542B1/en
Priority to US12/085,436 priority patent/US8066903B2/en
Priority to PCT/FI2006/050515 priority patent/WO2007060296A1/en
Publication of FI20055619A publication Critical patent/FI20055619A/fi
Application granted granted Critical
Publication of FI118689B publication Critical patent/FI118689B/fi

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
    • C08B15/05—Derivatives containing elements other than carbon, hydrogen, oxygen, halogens or sulfur
    • C08B15/06—Derivatives containing elements other than carbon, hydrogen, oxygen, halogens or sulfur containing nitrogen, e.g. carbamates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Paper (AREA)
FI20055619A 2005-11-23 2005-11-23 Menetelmä selluloosakarbamaattiliuoksen valmistamiseksi FI118689B (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI20055619A FI118689B (fi) 2005-11-23 2005-11-23 Menetelmä selluloosakarbamaattiliuoksen valmistamiseksi
CN2006800438236A CN101356196B (zh) 2005-11-23 2006-11-23 一种制备纤维素氨基甲酸酯溶液的方法
EP06820095.5A EP1957542B1 (en) 2005-11-23 2006-11-23 A method for preparing a cellulose carbamate solution
US12/085,436 US8066903B2 (en) 2005-11-23 2006-11-23 Method for preparing a cellulose carbamate solution
PCT/FI2006/050515 WO2007060296A1 (en) 2005-11-23 2006-11-23 A method for preparing a cellulose carbamate solution

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20055619 2005-11-23
FI20055619A FI118689B (fi) 2005-11-23 2005-11-23 Menetelmä selluloosakarbamaattiliuoksen valmistamiseksi

Publications (3)

Publication Number Publication Date
FI20055619A0 FI20055619A0 (fi) 2005-11-23
FI20055619A FI20055619A (fi) 2007-05-24
FI118689B true FI118689B (fi) 2008-02-15

Family

ID=35458859

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20055619A FI118689B (fi) 2005-11-23 2005-11-23 Menetelmä selluloosakarbamaattiliuoksen valmistamiseksi

Country Status (5)

Country Link
US (1) US8066903B2 (zh)
EP (1) EP1957542B1 (zh)
CN (1) CN101356196B (zh)
FI (1) FI118689B (zh)
WO (1) WO2007060296A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011086241A1 (en) * 2010-01-18 2011-07-21 Teknologian Tutkimuskeskus Vtt Method for preparing solution of cellulose carbamate

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104045720B (zh) * 2014-07-01 2016-07-06 东华大学 一种纤维素经过尿素改性后的低温溶解方法
CN106702516A (zh) * 2015-09-17 2017-05-24 宜宾丝丽雅集团有限公司 一种纤维素氨基甲酸酯纺丝原液的生产工艺
CN106702513B (zh) * 2015-09-17 2019-07-19 宜宾丝丽雅集团有限公司 一种纤维素氨基甲酸酯纤维长丝
FI130401B (en) 2020-03-09 2023-08-14 Infinited Fiber Company Oy Separation of polyester-cotton blends
GB2605187A (en) 2021-03-26 2022-09-28 Futamura Chemical Uk Ltd Dissolution method
FI130519B (en) 2021-09-09 2023-10-24 Infinited Fiber Company Oy Method for processing fibrous raw material
FI20225009A1 (en) 2022-01-07 2023-07-08 Infinited Fiber Company Oy Cellulose carbamate polymer

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2134825A (en) * 1937-08-30 1938-11-01 Du Pont Chemical process
FI67561C (fi) * 1982-12-08 1985-04-10 Neste Oy Foerfarande foer upploesning av cellulosakarbamat
FI66624C (fi) 1983-11-02 1984-11-12 Neste Oy Foerfarande foer framstaellning av cellulosakarbamatfibrer eller -filmer
US4997933A (en) * 1989-06-12 1991-03-05 Teepak, Inc. Cellulose aminomethanate by acid neutralization
US4997934A (en) * 1989-06-12 1991-03-05 Teepak, Inc. Cellulose aminomethanate by weight loss monitoring
DE19635473A1 (de) * 1996-08-31 1998-03-05 Zimmer Ag Verfahren zur Herstellung von Cellulosecarbamat mit verbesserten Löseeigenschaften
DE19757958A1 (de) * 1997-12-24 1999-07-01 Lurgi Zimmer Ag Verfahren zur Herstellung einer Cellulosecarbamatlösung
DE10203005A1 (de) * 2002-01-26 2003-08-07 Juergen Wack Verfahren zur Herstellung einer Cellulosecarbamatlösung
FI112795B (fi) 2002-01-29 2004-01-15 Valtion Teknillinen Menetelmä selluloosakarbamaatin valmistamiseksi
EA007626B1 (ru) 2002-01-29 2006-12-29 Вальтион Текниллинен Туткимускескус Способ получения карбамата целлюлозы
DE10237977A1 (de) * 2002-08-20 2004-03-04 Jürgen Wack Verfahren zur Herstellung einer homogenisierten blasenfreien Celluloselösung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011086241A1 (en) * 2010-01-18 2011-07-21 Teknologian Tutkimuskeskus Vtt Method for preparing solution of cellulose carbamate

Also Published As

Publication number Publication date
FI20055619A0 (fi) 2005-11-23
EP1957542B1 (en) 2016-06-08
EP1957542A1 (en) 2008-08-20
WO2007060296A1 (en) 2007-05-31
EP1957542A4 (en) 2013-06-19
US20090283717A1 (en) 2009-11-19
CN101356196A (zh) 2009-01-28
FI20055619A (fi) 2007-05-24
US8066903B2 (en) 2011-11-29
CN101356196B (zh) 2011-09-28

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