BR9710297A - Processo de produ-Æo de carbamato de celulose processo para a ativa-Æo de uma mistura contendo celulose e ur-ia mistura ativada de celulose/ur-ia e aplica-Æo de uma mistura ativada de celulose/ur-ia - Google Patents

Processo de produ-Æo de carbamato de celulose processo para a ativa-Æo de uma mistura contendo celulose e ur-ia mistura ativada de celulose/ur-ia e aplica-Æo de uma mistura ativada de celulose/ur-ia

Info

Publication number
BR9710297A
BR9710297A BR9710297A BR9710297A BR9710297A BR 9710297 A BR9710297 A BR 9710297A BR 9710297 A BR9710297 A BR 9710297A BR 9710297 A BR9710297 A BR 9710297A BR 9710297 A BR9710297 A BR 9710297A
Authority
BR
Brazil
Prior art keywords
cellulose
urine
mixture
activated
activated mixture
Prior art date
Application number
BR9710297A
Other languages
English (en)
Portuguese (pt)
Inventor
Ties Karstens
Armin Stein
Original Assignee
Rhodia Acetow 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 Rhodia Acetow Ag filed Critical Rhodia Acetow Ag
Publication of BR9710297A publication Critical patent/BR9710297A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
BR9710297A 1996-07-12 1997-07-08 Processo de produ-Æo de carbamato de celulose processo para a ativa-Æo de uma mistura contendo celulose e ur-ia mistura ativada de celulose/ur-ia e aplica-Æo de uma mistura ativada de celulose/ur-ia BR9710297A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19628277A DE19628277C2 (de) 1996-07-12 1996-07-12 Verfahren zur Aktivierung eines Cellulose und Harnstoff enthaltenden Gemisches, aktiviertes Cellulose und Harnstoff enthaltendes Gemisch und Verwendung des aktivierten Gemisches zur Herstellung von Cellulosecarbamat
PCT/EP1997/003593 WO1998002464A1 (de) 1996-07-12 1997-07-08 Cellulosecarbamatherstellung

Publications (1)

Publication Number Publication Date
BR9710297A true BR9710297A (pt) 1999-08-17

Family

ID=7799739

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9710297A BR9710297A (pt) 1996-07-12 1997-07-08 Processo de produ-Æo de carbamato de celulose processo para a ativa-Æo de uma mistura contendo celulose e ur-ia mistura ativada de celulose/ur-ia e aplica-Æo de uma mistura ativada de celulose/ur-ia

Country Status (10)

Country Link
EP (1) EP0910585A1 (ja)
JP (1) JP2000505135A (ja)
AU (1) AU3443497A (ja)
BR (1) BR9710297A (ja)
CA (1) CA2260782A1 (ja)
CZ (1) CZ4199A3 (ja)
DE (1) DE19628277C2 (ja)
PL (1) PL331046A1 (ja)
TR (1) TR199900025T2 (ja)
WO (1) WO1998002464A1 (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19715617A1 (de) * 1997-04-15 1998-10-22 Zimmer Ag Verfahren für die modifizierte Herstellung von Cellulosecarbamat
DE19742692A1 (de) * 1997-09-26 1999-04-01 Rhodia Acetow Ag Verfahren zur Aktivierung von Polysacchariden
EP1066109A1 (de) 1998-03-13 2001-01-10 Rhodia Acetow GmbH Vorrichtung, verfahren und druckreaktor zur behandlung von feststoffen mit verflüssigten gasen unter druck
DE19814137A1 (de) * 1998-03-30 1999-10-14 Rhodia Acetow Ag Verfahren zum Austreiben von Ammoniak aus einem aktivierten Polysaccharid
DE19835688A1 (de) * 1998-08-07 2000-02-10 Piesteritz Stickstoff Verfahren zur Herstellung von Cellulosecarbamat
DE10023753A1 (de) * 2000-05-15 2001-11-29 Zimmer Ag Verfahren und Vorrichtung zur Behandlung von Zellstoff mit Harnstoff und Ammoniak
DE10223172B4 (de) * 2002-05-24 2004-05-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung von Cellulosecarbamat mittels reaktiver Extrusion und die Verwendung der Verfahrensprodukte zur Herstellung von Formkörpern
DE10223171A1 (de) * 2002-05-24 2003-12-11 Zimmer Ag Verfahren zur Herstellung von Cellulosecarbamat
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
JP7088888B2 (ja) * 2019-08-29 2022-06-21 大王製紙株式会社 繊維状セルロース複合樹脂の製造方法
JP7213296B2 (ja) * 2021-03-31 2023-01-26 大王製紙株式会社 繊維状セルロース含有物、繊維状セルロース複合樹脂、及び繊維状セルロース含有物の製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2290888A (en) * 1932-01-30 1942-07-28 North American Rayon Corp Cellulose activated by liquid ammonia
FI62318C (fi) * 1981-01-27 1982-12-10 Neste Oy Foerfarande foer framstaellning av ett alkaliloesligt cellulosaderivat
US4600590A (en) * 1981-10-14 1986-07-15 Colorado State University Research Foundation Method for increasing the reactivity and digestibility of cellulose with ammonia
JPS62236802A (ja) * 1986-04-08 1987-10-16 Asahi Chem Ind Co Ltd アルカリ可溶性セルロ−スの製造方法
DE4242437C2 (de) * 1992-12-16 1998-08-13 Zimmer Ag Verfahren zur Herstellung von Cellulosecarbamat und Verwendung des erhaltenen Cellulosecarbamats zur Bildung einer Lösung für die Herstellung von Celluloseregenerat-Produkten
DE4329937C1 (de) * 1993-09-04 1994-11-24 Rhodia Ag Rhone Poulenc Verfahren zur Behandlung von Cellulose zu deren Aktivierung für nachfolgende chemische Reaktionen
CA2214245C (en) * 1995-03-25 2001-10-02 Rhone-Poulenc Rhodia Aktiengesellschaft Process for activating polysaccharides, polysaccharides made by this process and their use

Also Published As

Publication number Publication date
DE19628277C2 (de) 1998-07-09
WO1998002464A1 (de) 1998-01-22
CZ4199A3 (cs) 1999-05-12
TR199900025T2 (xx) 1999-04-21
JP2000505135A (ja) 2000-04-25
PL331046A1 (en) 1999-06-21
AU3443497A (en) 1998-02-09
CA2260782A1 (en) 1998-01-22
DE19628277A1 (de) 1998-01-15
EP0910585A1 (de) 1999-04-28

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Legal Events

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

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