BR112013010451A2 - processo para derivatização de celulose - Google Patents
processo para derivatização de celuloseInfo
- Publication number
- BR112013010451A2 BR112013010451A2 BR112013010451A BR112013010451A BR112013010451A2 BR 112013010451 A2 BR112013010451 A2 BR 112013010451A2 BR 112013010451 A BR112013010451 A BR 112013010451A BR 112013010451 A BR112013010451 A BR 112013010451A BR 112013010451 A2 BR112013010451 A2 BR 112013010451A2
- Authority
- BR
- Brazil
- Prior art keywords
- cellulose
- liquid
- derivatization
- aqueous solution
- improved
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 title abstract 7
- 239000001913 cellulose Substances 0.000 title abstract 7
- 238000001212 derivatisation Methods 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 3
- 239000007788 liquid Substances 0.000 abstract 4
- 239000007864 aqueous solution Substances 0.000 abstract 3
- 230000002596 correlated effect Effects 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
- C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
- C08B11/10—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals
- C08B11/12—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals substituted with carboxylic radicals, e.g. carboxymethylcellulose [CMC]
-
- 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
- C08B1/003—Preparation of cellulose solutions, i.e. dopes, with different possible solvents, e.g. ionic liquids
-
- 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
- C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
- C08B1/06—Rendering cellulose suitable for etherification
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B16/00—Regeneration of cellulose
-
- 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
-
- 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
- D21C9/001—Modification of pulp properties
- D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
- D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds
-
- 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
- D21C9/001—Modification of pulp properties
- D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
- D21C9/005—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives organic compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
- D21H11/20—Chemically or biochemically modified fibres
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Paper (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US40704710P | 2010-10-27 | 2010-10-27 | |
US61/407,047 | 2010-10-27 | ||
PCT/SE2011/051270 WO2012057684A1 (en) | 2010-10-27 | 2011-10-26 | Process for the derivatization of cellulose |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112013010451A2 true BR112013010451A2 (pt) | 2016-08-09 |
BR112013010451B1 BR112013010451B1 (pt) | 2020-02-11 |
Family
ID=45994172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112013010451-1A BR112013010451B1 (pt) | 2010-10-27 | 2011-10-26 | Processo para derivatização de celulose |
Country Status (7)
Country | Link |
---|---|
US (1) | US9469693B2 (pt) |
EP (1) | EP2632957B1 (pt) |
CN (1) | CN103237814B (pt) |
BR (1) | BR112013010451B1 (pt) |
DK (1) | DK2632957T3 (pt) |
ES (1) | ES2711754T3 (pt) |
WO (1) | WO2012057684A1 (pt) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103469688B (zh) * | 2013-09-29 | 2016-04-20 | 北京林业大学 | 一种玉米芯改性制备纸张增强剂的方法 |
WO2016201414A1 (en) | 2015-06-11 | 2016-12-15 | Tyton Biosciences, Llc | Process and system for producing pulp, energy, and bioderivatives from plant-based and recycled materials |
SE541675C2 (en) | 2016-10-19 | 2019-11-26 | Re Newcell Ab | Recycling of cellulosic textiles |
EP4219808A1 (en) | 2016-12-06 | 2023-08-02 | Re:NewCell AB | Cellulose fibers |
KR20200074097A (ko) * | 2017-10-03 | 2020-06-24 | 다우 글로벌 테크놀로지스 엘엘씨 | 저점도 셀룰로오스 에테르의 단순화된 제조 방법 |
EP3473244A1 (en) | 2017-10-20 | 2019-04-24 | Veru Inc. | Controlled release oral tamsulosin hydrochloride |
EP3473245A1 (en) | 2017-10-20 | 2019-04-24 | Veru Inc. | Controlled release oral tamsulosin hydrochloride |
CN108049230A (zh) * | 2017-12-14 | 2018-05-18 | 天津科技大学 | 一种铁催化过氧化氢氧化制备纳米纤维素方法 |
EP3737783A4 (en) | 2018-01-12 | 2021-10-27 | Circ, LLC | METHOD FOR RECYCLING COTTON AND POLYESTER FIBERS FROM WASTE TEXTILES |
SE543048C2 (en) | 2018-12-19 | 2020-09-29 | Re Newcell Ab | A method for separating cellulosic fibers from non-cellulosic fibers |
EP3882380B1 (en) | 2020-03-16 | 2022-04-27 | Re:NewCell AB | One stage method for acid metal removal and bleach |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1658606A (en) * | 1923-03-15 | 1928-02-07 | Lilienfeld Leon | Cellulose solution and process for making same |
US4089745A (en) | 1976-12-27 | 1978-05-16 | Standard Brands Incorporated | Process for enzymatically converting cellulose derived from corn hulls to glucose |
JPS60139873A (ja) * | 1983-12-26 | 1985-07-24 | 旭化成株式会社 | 繊維材料の改質方法 |
EP0344371A1 (en) | 1988-05-31 | 1989-12-06 | Uop Inc. | Hydrolysis of corn kernel hulls to monosaccharides |
SU1669917A1 (ru) * | 1989-03-13 | 1991-08-15 | Научно-производственное объединение "Полимерсинтез" | Способ получени карбоксиметилцеллюлозы |
US5410034A (en) | 1994-02-24 | 1995-04-25 | The United States Of America As Represented By The Secretary Of Agriculture | Alkaline method for dissolving cellulose |
JP4028003B2 (ja) * | 1996-05-31 | 2007-12-26 | 旭化成株式会社 | セルロース溶液の調製方法 |
DE19715617A1 (de) * | 1997-04-15 | 1998-10-22 | Zimmer Ag | Verfahren für die modifizierte Herstellung von Cellulosecarbamat |
US6106763A (en) * | 1997-11-20 | 2000-08-22 | Institute Of Chemical Fibres | Process for producing cellulosic mouldings |
EP1036799B1 (en) * | 1997-12-04 | 2008-02-06 | Asahi Kasei Kabushiki Kaisha | Cellulose dispersion |
US7108907B1 (en) * | 1999-11-08 | 2006-09-19 | Asahi Kasei Kabushiki Kaisha | Cellulose dope and method for producing the same |
CN1282773C (zh) * | 2005-05-30 | 2006-11-01 | 武汉大学 | 二步凝固浴法制备再生纤维素纤维的方法 |
CN1285644C (zh) * | 2005-06-29 | 2006-11-22 | 东华大学 | 一种溶解纤维素的溶剂及其制备方法和用途 |
FI20055381A (fi) * | 2005-07-01 | 2007-01-02 | M Real Oyj | Menetelmä selluloosan liuottamiseksi ja selluloosahiukkasten valmistamiseksi |
US7670813B2 (en) | 2006-10-25 | 2010-03-02 | Iogen Energy Corporation | Inorganic salt recovery during processing of lignocellulosic feedstocks |
US20100143974A1 (en) | 2007-02-01 | 2010-06-10 | Chang-Ho Chung | Process for Sugar Production from Lignocellulosic Biomass Using Alkali Pretreatment |
DK2425024T3 (da) * | 2009-04-28 | 2013-04-15 | Heli Inovatio Handelsbolag | Fremgangsmåde til hydrolyse af cellulose |
-
2011
- 2011-10-26 CN CN201180049754.0A patent/CN103237814B/zh not_active Expired - Fee Related
- 2011-10-26 WO PCT/SE2011/051270 patent/WO2012057684A1/en active Application Filing
- 2011-10-26 US US13/880,798 patent/US9469693B2/en active Active
- 2011-10-26 ES ES11836723T patent/ES2711754T3/es active Active
- 2011-10-26 BR BR112013010451-1A patent/BR112013010451B1/pt not_active IP Right Cessation
- 2011-10-26 EP EP11836723.4A patent/EP2632957B1/en active Active
- 2011-10-26 DK DK11836723.4T patent/DK2632957T3/en active
Also Published As
Publication number | Publication date |
---|---|
US9469693B2 (en) | 2016-10-18 |
EP2632957A4 (en) | 2014-08-27 |
CN103237814B (zh) | 2016-06-01 |
US20130324710A1 (en) | 2013-12-05 |
CN103237814A (zh) | 2013-08-07 |
EP2632957B1 (en) | 2018-11-21 |
DK2632957T3 (en) | 2019-03-04 |
ES2711754T3 (es) | 2019-05-07 |
BR112013010451B1 (pt) | 2020-02-11 |
WO2012057684A1 (en) | 2012-05-03 |
EP2632957A1 (en) | 2013-09-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B25A | Requested transfer of rights approved |
Owner name: RE:NEWCELL LUX S.A.R.L. (LU) |
|
B25A | Requested transfer of rights approved |
Owner name: NEWCELL AB (SE) |
|
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] | ||
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 26/10/2011, OBSERVADAS AS CONDICOES LEGAIS. |
|
B25D | Requested change of name of applicant approved |
Owner name: RE:NEWCELL AB (SE) |
|
B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 12A 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 2746 DE 22-08-2023 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. |