IT8225052A0 - Procedimento per la precipitazione di carbammato di cellulosa. - Google Patents

Procedimento per la precipitazione di carbammato di cellulosa.

Info

Publication number
IT8225052A0
IT8225052A0 IT8225052A IT2505282A IT8225052A0 IT 8225052 A0 IT8225052 A0 IT 8225052A0 IT 8225052 A IT8225052 A IT 8225052A IT 2505282 A IT2505282 A IT 2505282A IT 8225052 A0 IT8225052 A0 IT 8225052A0
Authority
IT
Italy
Prior art keywords
precipitation
procedure
cellulose carbamate
carbamate
cellulose
Prior art date
Application number
IT8225052A
Other languages
English (en)
Other versions
IT1156150B (it
Inventor
Leo Mandell
Vidar Eklund
Kurt Ekman
Jouko Huttunen
Olli Turunen
Original Assignee
Neste Oy
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 Neste Oy filed Critical Neste Oy
Publication of IT8225052A0 publication Critical patent/IT8225052A0/it
Application granted granted Critical
Publication of IT1156150B publication Critical patent/IT1156150B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/12—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
    • C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
    • C07D249/08—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
    • 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
IT25052/82A 1981-12-30 1982-12-30 Procedimento per la precipitazione di carbammato di cellulosa IT1156150B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI814209A FI64603C (fi) 1981-12-30 1981-12-30 Foerfarande foer utfaellning av cellulosaderivat

Publications (2)

Publication Number Publication Date
IT8225052A0 true IT8225052A0 (it) 1982-12-30
IT1156150B IT1156150B (it) 1987-01-28

Family

ID=8514983

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25052/82A IT1156150B (it) 1981-12-30 1982-12-30 Procedimento per la precipitazione di carbammato di cellulosa

Country Status (8)

Country Link
US (1) US4456749A (it)
EP (1) EP0097685B1 (it)
JP (2) JPS6336601B2 (it)
BR (1) BR8208041A (it)
DE (1) DE3271707D1 (it)
FI (1) FI64603C (it)
IT (1) IT1156150B (it)
WO (1) WO1983002279A1 (it)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI64605C (fi) * 1982-03-30 1983-12-12 Neste Oy Foerfarande foer behandling av fibrer av cellulosaderivat
FI66624C (fi) * 1983-11-02 1984-11-12 Neste Oy Foerfarande foer framstaellning av cellulosakarbamatfibrer eller -filmer
FI67562C (fi) * 1984-03-12 1985-04-10 Neste Oy Foerfarande foer framstaellning av cellulosakarbamat
FI69852C (fi) * 1984-09-27 1986-05-26 Neste Oy Cykliskt foerfarande foer framstaellning av en alkaliloesning av cellulosakarbamat foer utfaellning av karbamatet och foeraotervinning av kemikalierna
FI69853C (fi) * 1984-09-27 1986-05-26 Neste Oy Cykliskt foerfarande foer framstaellning av en alkaliloesning av cellulosakarbamat foer utfaellning av karbamatet och foeraotervinning av kemikalierna
FI69851C (fi) * 1984-09-27 1986-05-26 Neste Oy Foerfarande foer utfaellning av cellulosakarbamat
US5215125A (en) * 1987-03-13 1993-06-01 Teepak, Inc. Cellulose aminomethanate sausage casings
US4789006A (en) * 1987-03-13 1988-12-06 Teepak, Inc. Cellulose aminomethanate sausage casings
US4997934A (en) * 1989-06-12 1991-03-05 Teepak, Inc. Cellulose aminomethanate by weight loss monitoring
US4999425A (en) * 1989-06-12 1991-03-12 Teepak, Inc. Cellulose aminomethanate by ion-exchange extraction
US5229506A (en) * 1989-06-12 1993-07-20 Teepak, Inc. Preparation of cellulose aminomethanate
US4997933A (en) * 1989-06-12 1991-03-05 Teepak, Inc. Cellulose aminomethanate by acid neutralization
US5354852A (en) * 1991-03-04 1994-10-11 Daicel Chemical Industries, Ltd. Polysaccharide derivative, process for producing the same, and separating agent
SE505230C2 (sv) * 1993-04-21 1997-07-21 Birla Research Inst For Applie Tillverkning av regenererad cellulosafiber genom zinkfri viskosprocess
PL310288A1 (en) * 1995-09-04 1997-03-17 Inst Wlokien Chem Method of obtaining cellulose carbamate
WO1997040009A1 (fr) 1996-04-25 1997-10-30 Nissan Chemical Industries, Ltd. Derives ethyleniques et agents pesticides
DE19715617A1 (de) * 1997-04-15 1998-10-22 Zimmer Ag Verfahren für die modifizierte Herstellung von Cellulosecarbamat
DE19721609A1 (de) 1997-05-23 1998-11-26 Zimmer Ag Verfahren und Vorrichtung zum Verspinnen von Cellulosecarbamat-Lösungen
DE19740455B4 (de) * 1997-09-15 2006-05-11 Zimmer Ag Verfahren zur Abtrennung von Cellulosecarbamat
EP1142882A4 (en) 1998-12-25 2002-07-03 Nissan Chemical Ind Ltd ACRYLONITRILE COMPOUNDS
GB2381270B (en) * 2001-10-25 2003-09-10 Sca Hygiene Prod Gmbh Regenerated cellulose fibres treated with metal ions and products made therefrom
CN102718875B (zh) * 2012-06-07 2016-07-06 李连兵 一种蜂窝陶瓷粘结剂的生产方法
JP7340195B2 (ja) * 2017-06-14 2023-09-07 国立大学法人京都大学 微細セルロース繊維、その製造方法、スラリー及び複合体
JP2019001876A (ja) 2017-06-14 2019-01-10 国立大学法人京都大学 微細セルロース繊維、その製造方法、スラリー及び複合体

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB216475A (en) * 1923-05-25 1924-11-03 Leon Lilienfeld Manufacture of cellulose solutions
US2129708A (en) * 1937-07-01 1938-09-13 Du Pont Urea cellulose solutions
US2134825A (en) * 1937-08-30 1938-11-01 Du Pont Chemical process
GB516672A (en) * 1937-08-30 1940-01-09 Du Pont Improvements in or relating to the production of cellulose derivatives
GB1265010A (it) * 1969-01-16 1972-03-01
FI61033C (fi) * 1979-10-17 1982-05-10 Neste Oy Foerfarande foer framstaellning av alkaliloeslig cellulosafoerening
FI62318C (fi) * 1981-01-27 1982-12-10 Neste Oy Foerfarande foer framstaellning av ett alkaliloesligt cellulosaderivat
US4367191A (en) * 1981-03-25 1983-01-04 Research Corporation Preparation of cellulose films or fibers from cellulose solutions

Also Published As

Publication number Publication date
BR8208041A (pt) 1983-11-22
FI64603C (fi) 1983-12-12
WO1983002279A1 (en) 1983-07-07
EP0097685A1 (en) 1984-01-11
JPS57502215A (it) 1982-12-16
IT1156150B (it) 1987-01-28
FI64603B (fi) 1983-08-31
US4456749A (en) 1984-06-26
JPS6336601B2 (it) 1988-07-21
JPS58502216A (ja) 1983-12-22
DE3271707D1 (en) 1986-07-17
FI814209L (fi) 1983-07-01
EP0097685B1 (en) 1986-06-11

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