[go: up one dir, main page]

BR9306539A - Processo para a ativação de celulose - Google Patents

Processo para a ativação de celulose

Info

Publication number
BR9306539A
BR9306539A BR9306539A BR9306539A BR9306539A BR 9306539 A BR9306539 A BR 9306539A BR 9306539 A BR9306539 A BR 9306539A BR 9306539 A BR9306539 A BR 9306539A BR 9306539 A BR9306539 A BR 9306539A
Authority
BR
Brazil
Prior art keywords
cellulose activation
cellulose
activation
Prior art date
Application number
BR9306539A
Other languages
English (en)
Inventor
Melvin Glenn Mitchell
James Stafford Maginnis Jr
Original Assignee
Eastman Chem Co
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 Eastman Chem Co filed Critical Eastman Chem Co
Publication of BR9306539A publication Critical patent/BR9306539A/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
    • C08B1/02—Rendering cellulose suitable for esterification
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B3/00—Preparation of cellulose esters of organic acids
    • C08B3/06—Cellulose acetate, e.g. mono-acetate, di-acetate or tri-acetate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR9306539A 1992-06-11 1993-06-01 Processo para a ativação de celulose BR9306539A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US89711392A 1992-06-11 1992-06-11
PCT/US1993/005164 WO1993025584A2 (en) 1992-06-11 1993-06-01 Process for activation of cellulose

Publications (1)

Publication Number Publication Date
BR9306539A true BR9306539A (pt) 1998-09-15

Family

ID=25407353

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9306539A BR9306539A (pt) 1992-06-11 1993-06-01 Processo para a ativação de celulose

Country Status (6)

Country Link
EP (1) EP0644901A1 (pt)
JP (1) JPH08501326A (pt)
KR (1) KR950701649A (pt)
BR (1) BR9306539A (pt)
CA (1) CA2136733A1 (pt)
WO (1) WO1993025584A2 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5973139A (en) * 1998-02-06 1999-10-26 Eastman Chemical Company Carboxylated cellulose esters
US20080071078A1 (en) * 2006-09-19 2008-03-20 Kizer Lawton E Method of making cellulose ester polymer and pre-treating cellulose for the manufacture of cellulose ester polymer
DE102008035401B4 (de) * 2008-07-29 2011-04-21 List Holding Ag Verfahren zur kontinuierlichen katalytischen Azetylierung von Polysacchariden
EA024275B1 (ru) * 2013-04-09 2016-09-30 Сумгаитский Государственный Университет Способ получения активированной целлюлозы
EA024244B1 (ru) * 2013-04-09 2016-08-31 Сумгаитский Государственный Университет Способ получения порошка целлюлозы
EA024220B1 (ru) * 2013-04-30 2016-08-31 Сумгаитский Государственный Университет Способ получения порошка активированной целлюлозы
EA024257B1 (ru) * 2013-05-24 2016-08-31 Сумгаитский Государственный Университет Способ активации целлюлозы
EA024276B1 (ru) * 2013-06-19 2016-09-30 Сумгаитский Государственный Университет Способ активации целлюлозы
CN106536568B (zh) 2014-07-14 2019-08-16 株式会社大赛璐 乙酸纤维素制造用的纸浆的破碎方法及乙酸纤维素的制造方法
RU2609803C1 (ru) * 2015-09-28 2017-02-06 Общество с ограниченной ответственностью "Твин Технолоджи Компани" Способ повышения качества и реакционной способности целлюлозы
WO2023137154A1 (en) 2022-01-14 2023-07-20 Greenkey Llc Process for treating land-based plant and marine-based biomasses
WO2024151285A1 (en) 2023-01-13 2024-07-18 Greenkey Llc Process for treating terrestrial-based and marine-based biomasses

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4016353A (en) * 1975-04-14 1977-04-05 Crown Zellerbach Corporation Process for producing organic acid esters of cellulose
JP2999293B2 (ja) * 1991-07-02 2000-01-17 ダイセル化学工業株式会社 酢酸セルロースの製造方法

Also Published As

Publication number Publication date
EP0644901A1 (en) 1995-03-29
CA2136733A1 (en) 1993-12-23
JPH08501326A (ja) 1996-02-13
KR950701649A (ko) 1995-04-28
WO1993025584A3 (en) 1994-02-17
WO1993025584A2 (en) 1993-12-23

Similar Documents

Publication Publication Date Title
BR9305113A (pt) Película de celulose de planta e processo para preparar a mesma
PT770615E (pt) Processo para a preparacao de di-haloazolopirimidinas
FI954533A0 (fi) Selluloosakuitujen silloitusprosessi
BR9606782A (pt) Processo para preparar ciclopilacetileno
BR8900300A (pt) Processo para a obtencao de celulose
BR9606661A (pt) Processo para a fabricação de um alojamento de articulação
BR9607332A (pt) Processo para a purificação de melamina
BR9305240A (pt) Processo para a terminação de um polímero
BR9000983A (pt) Aparelho e processo para a deslignificacao de polpa de celulose
PT839138E (pt) Processo para a preparacao de 3-hidroxipirazois substituidos em n
BR9500668A (pt) Processo para a preparaçao de compostos polialquil-1-oxa- diazaspirodecano
BR9306539A (pt) Processo para a ativação de celulose
PT824517E (pt) Processo para a preparacao de cloridrato de lercanidipina
BR9707811A (pt) Processo para preparação de um composto e composto
BR9401681A (pt) Processo para preparar um catalisador
BR9611792A (pt) Composição catalisadora ativada e processo para preparar a mesma
PT877738E (pt) Processo para a preparacao de derivados de fenil-imidazolidina
BR9611666A (pt) Processo para preparar compostos de 2-clorotiazol
BR9707475A (pt) Processo para a preparação de componente ativador de alvejamento em partículas
BR9602619A (pt) Processo para preparação de um composto
BR9306854A (pt) Processo para acetilação de celulose
PT99598B (pt) Processo para a purificacao de solucoes aquosas de n-metilmorfolina-n-oxido
FI953766A0 (fi) Menetelmä selluloosakuitujen ristiinliittämiseksi
BR9606132A (pt) Processo para a produção de celulose
BR9605941A (pt) Processo para aperfeiçoar fibras de celulose

Legal Events

Date Code Title Description
FA7 Application deemed withdrawn (art. 18 par. 1 of law 5772/71) - being contrary to morals, good customs and public security, order and health