BR112018068026A2 - acetato de celulose - Google Patents

acetato de celulose

Info

Publication number
BR112018068026A2
BR112018068026A2 BR112018068026A BR112018068026A BR112018068026A2 BR 112018068026 A2 BR112018068026 A2 BR 112018068026A2 BR 112018068026 A BR112018068026 A BR 112018068026A BR 112018068026 A BR112018068026 A BR 112018068026A BR 112018068026 A2 BR112018068026 A2 BR 112018068026A2
Authority
BR
Brazil
Prior art keywords
h2so4
cellulose acetate
ratio
content
sulfuric acid
Prior art date
Application number
BR112018068026A
Other languages
English (en)
Inventor
Matsumura Hiroyuki
Takahashi Keita
Original Assignee
Daicel Corp
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 Daicel Corp filed Critical Daicel Corp
Publication of BR112018068026A2 publication Critical patent/BR112018068026A2/pt

Links

Classifications

    • 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
    • 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
    • C08B3/22—Post-esterification treatments, including purification
    • C08B3/26—Isolation of the cellulose ester
    • C08B3/28—Isolation of the cellulose ester by precipitation
    • 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
    • C08B3/22—Post-esterification treatments, including purification
    • C08B3/30—Stabilising
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/10—Esters of organic acids, i.e. acylates
    • C08L1/12—Cellulose 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
    • D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate

Landscapes

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

Abstract

é divulgado aqui acetato de celulose que tem estabilidade térmica excelente sob condições úmidas e é capaz de reduzir a ocorrência de ruptura final em um processo de fiação. acetato de celulose que satisfaz a seguinte fórmula (1): [mg/h2so4] > 0, [ca/h2so4] > 0 e 2,70 - [mg/h2so4])/1,62 ¿ [ca/h2so4] ¿ (37,7 - [mg/h2so4])/10,3 (1), em que a fórmula (1) representa uma relação entre uma razão de equivalentes químicos de teor de cálcio para o teor residual de ácido sulfúrico [ca/h2so4] e uma razão de equivalentes químicos de teor de magnésio para o teor residual de ácido sulfúrico [mg/h2so4].
BR112018068026A 2016-03-15 2016-03-15 acetato de celulose BR112018068026A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/001481 WO2017158639A1 (ja) 2016-03-15 2016-03-15 セルロースアセテート

Publications (1)

Publication Number Publication Date
BR112018068026A2 true BR112018068026A2 (pt) 2019-01-08

Family

ID=59850789

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018068026A BR112018068026A2 (pt) 2016-03-15 2016-03-15 acetato de celulose

Country Status (9)

Country Link
US (1) US20190077885A1 (pt)
EP (1) EP3431509A4 (pt)
JP (1) JP6663979B2 (pt)
KR (1) KR102111293B1 (pt)
CN (1) CN109195995B (pt)
BR (1) BR112018068026A2 (pt)
MX (1) MX2018011061A (pt)
RU (1) RU2690114C1 (pt)
WO (1) WO2017158639A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7217099B2 (ja) * 2018-07-12 2023-02-02 株式会社ダイセル セルロースアセテート繊維、セルロースアセテートトウバンド、及びセルロースアセテートトウバンドの製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2748517B2 (ja) 1989-03-17 1998-05-06 東洋紡績株式会社 セルロースエステル繊維の紡糸方法
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
DE69733415T2 (de) * 1996-03-06 2006-04-27 Mitsubishi Rayon Co., Ltd. Auf fibrillen basierende fasern, methode zu deren herstellung, dabei verwendete spinndüse und damit hergestellte formkörper
JPH10298823A (ja) 1997-04-22 1998-11-10 Mitsubishi Rayon Co Ltd セルロースアセテート繊維の紡糸原液とその製造方法
US7122660B1 (en) * 1998-03-17 2006-10-17 Daicel Chemical Industries, Ltd. Cellulose acetate and dope containing the same
WO2004076490A1 (ja) * 2003-02-25 2004-09-10 Daicel Chemical Industries, Ltd. 湿熱安定性を改良したセルロースエステル
JP4682308B2 (ja) * 2003-09-10 2011-05-11 ダイセル化学工業株式会社 セルロースエステル又はそのフイルム及びその製造方法
WO2009029217A1 (en) * 2007-08-24 2009-03-05 Eastman Chemical Company Mixed cellulose ester compositions comprising a plasticizer and having low bifringence and films made therefrom for liquid crystal displays
JP5517409B2 (ja) * 2008-01-10 2014-06-11 株式会社ダイセル セルロースアセテート及びその製造方法

Also Published As

Publication number Publication date
CN109195995B (zh) 2021-07-16
EP3431509A4 (en) 2019-12-11
JP6663979B2 (ja) 2020-03-13
CN109195995A (zh) 2019-01-11
RU2690114C1 (ru) 2019-05-30
WO2017158639A1 (ja) 2017-09-21
KR20180124922A (ko) 2018-11-21
JPWO2017158639A1 (ja) 2019-01-31
US20190077885A1 (en) 2019-03-14
KR102111293B1 (ko) 2020-05-15
EP3431509A1 (en) 2019-01-23
MX2018011061A (es) 2019-05-06

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal against refusal [chapter 12.2 patent gazette]