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BR112012031247A2 - fabricação de microcelulose - Google Patents

fabricação de microcelulose

Info

Publication number
BR112012031247A2
BR112012031247A2 BR112012031247-2A BR112012031247A BR112012031247A2 BR 112012031247 A2 BR112012031247 A2 BR 112012031247A2 BR 112012031247 A BR112012031247 A BR 112012031247A BR 112012031247 A2 BR112012031247 A2 BR 112012031247A2
Authority
BR
Brazil
Prior art keywords
cellulosic material
microcellulose
washed
manufacturing
acidifying
Prior art date
Application number
BR112012031247-2A
Other languages
English (en)
Other versions
BR112012031247B1 (pt
Inventor
Tikka Sakari Räsänem Erkki
Robertsén Leif
Matti Vuorenpalo Veli-
Karppi Asko
Parviainen Kari
Dahl Olli
Vanhatalo Kari
Original Assignee
Kemira Oyj
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42308096&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR112012031247(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kemira Oyj filed Critical Kemira Oyj
Publication of BR112012031247A2 publication Critical patent/BR112012031247A2/pt
Publication of BR112012031247B1 publication Critical patent/BR112012031247B1/pt

Links

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
    • 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
    • C08B15/02—Oxycellulose; Hydrocellulose; Cellulosehydrate, e.g. microcrystalline cellulose
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
    • C08H8/00—Macromolecular compounds derived from lignocellulosic materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Paper (AREA)

Abstract

fabricação de microcelulose. a presente invenção está correlacionada a um processo para produção de microcelulose, compreendendo as etapas de: (a) acidificação do material celulósico fibroso; (b) lavagem do material celulósico acidificado; (c) opcionalmente, desidratação do material celulósico lavado; e (d) hidrólise do material celulósico lavado ou material celulósico lavado e desifratado, sob condições acídicas, a de pelo menos 8%, em relação ao peso seco de celulose.
BR112012031247-2A 2010-06-07 2011-06-06 Processo para produção de microcelulose BR112012031247B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20105639 2010-06-07
FI20105639A FI123270B2 (fi) 2010-06-07 2010-06-07 Mikroselluloosan valmistus
PCT/FI2011/050523 WO2011154597A1 (en) 2010-06-07 2011-06-06 Manufacturing of microcellulose

Publications (2)

Publication Number Publication Date
BR112012031247A2 true BR112012031247A2 (pt) 2018-03-06
BR112012031247B1 BR112012031247B1 (pt) 2020-05-26

Family

ID=42308096

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012031247-2A BR112012031247B1 (pt) 2010-06-07 2011-06-06 Processo para produção de microcelulose

Country Status (10)

Country Link
US (1) US9587038B2 (pt)
EP (1) EP2576627B1 (pt)
CN (1) CN102947343B (pt)
BR (1) BR112012031247B1 (pt)
CA (1) CA2801986C (pt)
FI (1) FI123270B2 (pt)
PL (1) PL2576627T3 (pt)
RU (1) RU2570675C2 (pt)
UY (1) UY33436A (pt)
WO (1) WO2011154597A1 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2505545C1 (ru) * 2012-07-31 2014-01-27 Закрытое акционерное общество "Инновационный центр "Бирюч" (ЗАО "ИЦ "Бирюч") Способ получения наноцеллюлозы
CN102911274B (zh) * 2012-10-17 2014-05-28 浙江理工大学 一种利用毛竹化学制备纳米微晶纤维素的方法
SE1350057A1 (sv) * 2013-01-18 2014-07-19 Förfarande för tillverkning av mikrofibrillerad cellulosa från ett föregångsmaterial
FI129421B (fi) * 2014-03-12 2022-02-15 Maelkki Yrjoe Nanoselluloosan ja sen esiasteiden valmistus ja käyttö
US10597820B2 (en) * 2015-05-14 2020-03-24 DuPont Nutrition USA, Inc. Method of making bleached microcrystalline cellulose
FI130254B (en) * 2016-02-03 2023-05-11 Kemira Oyj A process for producing microfibrillated cellulose and a product thereof
CN106519173A (zh) * 2016-11-29 2017-03-22 桂林理工大学 一种利用超支化改性剑麻微晶制备形状记忆聚氨酯的方法
US10287366B2 (en) 2017-02-15 2019-05-14 Cp Kelco Aps Methods of producing activated pectin-containing biomass compositions
BG67355B1 (bg) * 2017-11-17 2021-07-15 Свилоза - Ад Метод за получаване на микрокристална целулоза
CN107936125A (zh) * 2017-12-11 2018-04-20 厦门大学 一种微纳米纤维素的制备方法
FI129209B (en) 2018-02-07 2021-09-15 Andritz Oy Process for producing microcrystalline cellulose
RU2684082C1 (ru) * 2018-04-11 2019-04-03 Общество С Ограниченной Ответственностью "Национальная Исследовательская Компания" Способ получения микрокристаллической целлюлозы
CN111019154A (zh) * 2019-12-30 2020-04-17 上海昶法新材料有限公司 一种从化机浆处理废液中提取木质素和微晶纤维素的方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE564287A (pt) 1957-01-28
US3278519A (en) 1960-05-06 1966-10-11 Fmc Corp Formed products of cellulose crystallite aggregates
BG19462A1 (pt) 1973-08-02 1975-06-25
US4427778A (en) 1982-06-29 1984-01-24 Biochem Technology, Inc. Enzymatic preparation of particulate cellulose for tablet making
SU1481234A1 (ru) * 1987-01-19 1989-05-23 Научно-исследовательский институт физико-химических проблем Белорусского государственного университета им.В.И.Ленина Способ получени тонкодисперсной микрокристаллической целлюлозы
EP0609776A1 (de) 1993-02-05 1994-08-10 SIEMENS MATSUSHITA COMPONENTS GmbH & CO. KG Sinterkeramik für hochstabile Thermistoren und Verfahren zu ihrer Herstellung
DE4342442C2 (de) 1993-12-13 1996-11-21 Akzo Nobel Nv Verfahren zur Herstellung von Level-off DP Cellulose (LODP Cellulose) und ihre Desaggregierung zu mikrokristalliner Cellulose
US5769934A (en) * 1997-01-15 1998-06-23 Fmc Corporation Method for producing microcrystalline cellulose
US6228213B1 (en) 1997-09-19 2001-05-08 University Of Nebraska-Lincoln Production of microcrystalline cellulose by reactive extrusion
CN1075515C (zh) * 1998-12-30 2001-11-28 中国科学院广州化学研究所 一种微晶纤维素胶体的制法
WO2000047812A1 (en) * 1999-02-15 2000-08-17 Kiram Ab Process for oxygen pulping of lignocellulosic material and recovery of pulping chemicals
CN1171904C (zh) * 2000-07-18 2004-10-20 中国科学院广州化学研究所 一种纳米微晶纤维素及制法
EP1575487B1 (en) * 2002-05-14 2019-08-14 DuPont Nutrition USA, Inc. Coattrited microcrystalline cellulose hydrocolloid compositions and method for manufacture
US7005514B2 (en) 2002-10-16 2006-02-28 International Paper Company Process for preparing microcrystalline cellulose
US7037405B2 (en) 2003-05-14 2006-05-02 International Paper Company Surface treatment with texturized microcrystalline cellulose microfibrils for improved paper and paper board

Also Published As

Publication number Publication date
BR112012031247B1 (pt) 2020-05-26
PL2576627T3 (pl) 2019-01-31
FI20105639A0 (fi) 2010-06-07
EP2576627A1 (en) 2013-04-10
WO2011154597A1 (en) 2011-12-15
RU2012155800A (ru) 2014-07-20
UY33436A (es) 2011-12-30
US9587038B2 (en) 2017-03-07
CA2801986C (en) 2017-08-15
FI123270B (fi) 2013-01-31
FI20105639A7 (fi) 2011-12-08
FI123270B2 (fi) 2019-04-15
CN102947343B (zh) 2016-03-30
RU2570675C2 (ru) 2015-12-10
CA2801986A1 (en) 2011-12-15
US20140179912A1 (en) 2014-06-26
EP2576627B1 (en) 2018-08-08
CN102947343A (zh) 2013-02-27
FI20105639L (fi) 2011-12-08

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 06/06/2011, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 13A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2778 DE 02-04-2024 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.