JPS6225101A - 低重合度セルロ−スエ−テルの製造方法 - Google Patents

低重合度セルロ−スエ−テルの製造方法

Info

Publication number
JPS6225101A
JPS6225101A JP16354985A JP16354985A JPS6225101A JP S6225101 A JPS6225101 A JP S6225101A JP 16354985 A JP16354985 A JP 16354985A JP 16354985 A JP16354985 A JP 16354985A JP S6225101 A JPS6225101 A JP S6225101A
Authority
JP
Japan
Prior art keywords
cellulose ether
hydrogen chloride
polymerization degree
aqueous solution
low polymerization
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP16354985A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0476361B2 (OSRAM
Inventor
Toru Chiba
徹 千葉
Yasuaki Muto
泰明 武藤
Kazumasa Maruyama
丸山　和政
Koji Hatayama
畑山　厚司
Yuichi Nishiyama
裕一 西山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shin Etsu Chemical Co Ltd
Original Assignee
Shin Etsu Chemical Co Ltd
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=15776006&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPS6225101(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Shin Etsu Chemical Co Ltd filed Critical Shin Etsu Chemical Co Ltd
Priority to JP16354985A priority Critical patent/JPS6225101A/ja
Priority to EP19860401621 priority patent/EP0210917B1/en
Priority to AU60390/86A priority patent/AU583139B2/en
Priority to DE8686401621T priority patent/DE3675993D1/de
Priority to DE1986401621 priority patent/DE210917T1/de
Publication of JPS6225101A publication Critical patent/JPS6225101A/ja
Publication of JPH0476361B2 publication Critical patent/JPH0476361B2/ja
Granted legal-status Critical Current

Links

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
    • C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/20—Pills, tablets, discs, rods
    • A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
    • A61K9/2806—Coating materials
    • A61K9/2833—Organic macromolecular compounds
    • A61K9/286—Polysaccharides, e.g. gums; Cyclodextrin
    • A61K9/2866—Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
JP16354985A 1985-07-24 1985-07-24 低重合度セルロ−スエ−テルの製造方法 Granted JPS6225101A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP16354985A JPS6225101A (ja) 1985-07-24 1985-07-24 低重合度セルロ−スエ−テルの製造方法
EP19860401621 EP0210917B1 (en) 1985-07-24 1986-07-21 A method for the preparation of a cellulose ether having a decreased degree of polymerization
AU60390/86A AU583139B2 (en) 1985-07-24 1986-07-21 A method for the preparation of a cellulose ether having a decreased degree of polymerization
DE8686401621T DE3675993D1 (de) 1985-07-24 1986-07-21 Verfahren zur herstellung eines cellulose-ethers mit einem verminderten polymerisationsgrad.
DE1986401621 DE210917T1 (de) 1985-07-24 1986-07-21 Verfahren zur herstellung eines cellulose-ethers mit einem verminderten polymerisationsgrad.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16354985A JPS6225101A (ja) 1985-07-24 1985-07-24 低重合度セルロ−スエ−テルの製造方法

Publications (2)

Publication Number Publication Date
JPS6225101A true JPS6225101A (ja) 1987-02-03
JPH0476361B2 JPH0476361B2 (OSRAM) 1992-12-03

Family

ID=15776006

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16354985A Granted JPS6225101A (ja) 1985-07-24 1985-07-24 低重合度セルロ−スエ−テルの製造方法

Country Status (4)

Country Link
EP (1) EP0210917B1 (OSRAM)
JP (1) JPS6225101A (OSRAM)
AU (1) AU583139B2 (OSRAM)
DE (2) DE210917T1 (OSRAM)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001000680A1 (en) * 1999-06-24 2001-01-04 The Dow Chemical Company Process for making cellulose ethers having reduced yellowing and discoloration
JP2002531594A (ja) * 1998-12-01 2002-09-24 ザ ダウ ケミカル カンパニー セルロースエーテルの製造方法および製造装置
WO2007023513A1 (ja) * 2005-08-22 2007-03-01 Shin-Etsu Chemical Co., Ltd. 溶解性の改善されたセルロース誘導体の製造製法
JP2009540098A (ja) * 2006-06-14 2009-11-19 ダウ グローバル テクノロジーズ インコーポレイティド セルロースエーテルの平均分子量を減少させる方法
EP3216807A1 (en) 2016-03-09 2017-09-13 Shin-Etsu Chemical Co., Ltd. Coating composition containing methyl cellulose, method for producing the same, and solid preparation
CN107915778A (zh) * 2016-10-06 2018-04-17 信越化学工业株式会社 生产低聚合度纤维素醚的方法
KR20220053483A (ko) 2020-10-22 2022-04-29 신에쓰 가가꾸 고교 가부시끼가이샤 해중합된 셀룰로오스에테르의 제조 방법

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69129839T2 (de) * 1990-08-24 1999-02-11 Shin-Etsu Chemical Co., Ltd., Tokio/Tokyo Beschichtungsbase für einen pharmazeutischen film und verfahren zur herstellung derselben
US5476668A (en) * 1990-08-24 1995-12-19 Shin-Etsu Chemical Co., Ltd. Base for film-coating pharmaceuticals and method for preparing same
US6294008B1 (en) 1999-04-21 2001-09-25 The Dow Chemical Company Haze-free cellulose ether capsules and process for making
DE10009642C1 (de) * 2000-03-01 2001-06-13 Clariant Gmbh Verfahren zur sauer katalysierten, hydrolytischen Depolymerisierung von Celluloseethern und Verwendung einer emaillierten Drucknutsche zur Depolymerisierung von Celluloseethern
KR100461565B1 (ko) * 2001-09-22 2004-12-14 삼성정밀화학 주식회사 저점도 히드록시프로필메틸 셀룰로오스의 제조방법
US8865432B2 (en) 2004-02-26 2014-10-21 Shin-Etsu Chemical Co., Ltd. Method for preparing cellulose derivatives having solubility improved
EP2627676B1 (en) 2010-10-12 2017-03-08 Dow Global Technologies LLC Novel cellulose ethers and their use
KR101775414B1 (ko) 2011-07-27 2017-09-19 다우 글로벌 테크놀로지스 엘엘씨 셀룰로스 에테르로부터 알킬렌 할로게노하이드린을 제거하는 방법
KR20140054240A (ko) 2011-08-12 2014-05-08 다우 글로벌 테크놀로지스 엘엘씨 광학 위상지연 필름 및 제조 방법
IN2014CN02795A (OSRAM) 2011-10-19 2015-07-03 Dow Global Technologies Llc
JP5731723B2 (ja) 2012-04-11 2015-06-10 ダウ グローバル テクノロジーズ エルエルシー セルロースエーテルを含む溶融押出し組成物
KR20140146181A (ko) 2012-04-11 2014-12-24 다우 글로벌 테크놀로지스 엘엘씨 특정 치환체 분포를 갖는 에스테르화된 셀룰로즈 에테르
JP6185559B2 (ja) 2012-04-11 2017-08-23 ダウ グローバル テクノロジーズ エルエルシー 有機希釈剤およびセルロースエーテルを含む組成物
BR112014032017A2 (pt) 2012-07-17 2017-06-27 Dow Global Technologies Llc dispersão sólida, dispersão sólida extrudada e processo para produzir uma dispersão sólida
KR102108813B1 (ko) 2012-08-24 2020-05-12 다우 글로벌 테크놀로지스 엘엘씨 지방족 카복실산의 존재하의 셀룰로스 에테르의 에스테르의 제조 방법
JP6224711B2 (ja) 2012-08-24 2017-11-01 ダウ グローバル テクノロジーズ エルエルシー 部分架橋結合型エステル化セルロースエーテル
CN104797604B (zh) 2012-08-24 2018-03-06 陶氏环球技术有限责任公司 在碱金属羧酸盐和脂族羧酸的存在下制备酯化纤维素醚的方法
WO2014052213A1 (en) 2012-09-25 2014-04-03 Dow Global Technologies Llc Process for producing cellulose derivatives of high bulk density, good flowability and/or dispersibility in cold water as well as low solution color
JP6321779B2 (ja) 2013-04-12 2018-05-09 ダウ グローバル テクノロジーズ エルエルシー 嗜好性が改善された水溶性多糖類
KR102347262B1 (ko) 2013-04-12 2022-01-06 뉴트리션 ＆ 바이오사이언시즈 유에스에이 1, 엘엘씨 메틸셀룰로스 수용액의 제조 방법
US9820498B2 (en) 2013-04-12 2017-11-21 Dow Global Technologies Llc Process for preparing an aqueous solution of saccharides and methylcellulose
KR20160006788A (ko) 2013-05-14 2016-01-19 다우 글로벌 테크놀로지스 엘엘씨 디카복실산으로 에스테르화된 셀룰로스 에테르
MX375728B (es) 2014-01-16 2025-03-06 Nutrition & Biosciences Usa 1 Llc Composición cerámica moldeable con calor que contiene una hidroxipropilmetilcelulosa.
EP3094656B1 (en) 2014-01-16 2019-07-17 Dow Global Technologies LLC Support materials for 3d printing
EP3094675B1 (en) 2014-01-16 2020-12-23 Dow Global Technologies LLC Recovery of additive manufacturing support materials
KR102362913B1 (ko) 2014-02-20 2022-02-17 뉴트리션 ＆ 바이오사이언시즈 유에스에이 1, 엘엘씨 높은 분자량 및 균질성의 신규한 에스테르화된 셀룰로오스 에테르
EP3186285B1 (en) 2014-08-27 2022-04-13 Nutrition & Biosciences USA 1, LLC Esterified cellulose ethers of low acetone-insoluble content
EP3241873B1 (en) 2014-09-10 2018-11-14 PPG Industries Ohio, Inc. Aqueous separation liquid and process for removing paint overspray from a paint spray booth
CN107074979B (zh) 2014-10-31 2019-07-19 陶氏环球技术有限责任公司 用于产生乙酸纤维素醚丁二酸酯的方法
MX355025B (es) 2014-10-31 2018-04-02 Dow Global Technologies Llc Proceso eficiente para preparar ester de eter de celulosa.
MX355026B (es) 2014-10-31 2018-04-02 Dow Global Technologies Llc Proceso para preparar ester de eter de celulosa.
KR20170128349A (ko) 2015-03-16 2017-11-22 다우 글로벌 테크놀로지스 엘엘씨 지방족 카복실산의 존재하에서의 에스테르화된 셀룰로오스 에테르의 제조 방법
WO2016148976A1 (en) 2015-03-16 2016-09-22 Dow Global Technologies Llc Gelling esterified cellulose ethers
MX2017011095A (es) 2015-03-16 2017-11-10 Dow Global Technologies Llc Eteres de celulosa esterificados solubles en agua que tienen grado bajo de neutralizacion.
JP6737810B2 (ja) 2015-05-15 2020-08-12 ダウ グローバル テクノロジーズ エルエルシー 高分子量のエステル化セルロースエーテルを調製するプロセス
US20180105608A1 (en) 2015-05-15 2018-04-19 Dow Global Technologies Llc Process for producing esterified cellulose ethers of very high molecular weight and low viscosity
US10201933B2 (en) 2015-06-09 2019-02-12 Dow Global Technologies Llc Support materials for 3D printing
US20180273646A1 (en) 2015-09-24 2018-09-27 Dow Global Technologies Llc. Process for preparing an ester of a cellulose ether in the presence of acetic acid and a reaction catalyst
WO2017223018A1 (en) 2016-06-23 2017-12-28 Dow Global Technologies Llc Esterified cellulose ethers comprising trimellityl groups
CN109312001B (zh) 2016-06-23 2020-03-03 陶氏环球技术有限责任公司 包含邻苯二甲酰基的酯化纤维素醚
JP2019529592A (ja) 2016-08-23 2019-10-17 ダウ グローバル テクノロジーズ エルエルシー セルロースエーテルアセテートフタレート
WO2018039214A1 (en) 2016-08-23 2018-03-01 Dow Global Technologies Llc Esterified cellulose ethers comprising maleyl groups
WO2018075420A1 (en) 2016-10-18 2018-04-26 Dow Global Technologies Llc Efficient process of preparing an esterified cellulose ether
WO2020131795A1 (en) 2018-12-18 2020-06-25 DDP Specialty Electronic Materials US, Inc. A sustained release composition comprising a hydroxyalkyl methylcellulose
WO2020131784A1 (en) 2018-12-18 2020-06-25 DDP Specialty Electronic Materials US, Inc. A sustained release composition comprising a methylcellulose
JP7535519B2 (ja) 2018-12-18 2024-08-16 ニュートリション アンド バイオサイエンシズ ユーエスエー １，リミティド ライアビリティ カンパニー メチルセルロースを含む徐放性組成物
WO2020131800A1 (en) 2018-12-18 2020-06-25 DDP Specialty Electronic Materials US, Inc. A sustained release composition comprising an ethylcellulose
US20230399494A1 (en) 2019-12-09 2023-12-14 Nutrition & Bioscinces Usa 1, Llc Composition comprising a highly substituted hydroxypropyl methylcellulose and a sugar alcohol
JP7414686B2 (ja) 2020-10-22 2024-01-16 信越化学工業株式会社 解重合されたセルロースエーテルの製造方法
CN117529522A (zh) 2021-04-09 2024-02-06 营养与生物科学美国1有限责任公司 具有高粉末溶解温度的甲基纤维素
EP4352109A1 (en) 2021-06-08 2024-04-17 Nutrition & Biosciences USA 1, LLC A process for producing a methylcellulose or hydroxyalkyl methylcellulose
CN118055952A (zh) 2021-08-26 2024-05-17 营养与生物科学美国1有限责任公司 新颖的羟烷基甲基纤维素及其用途

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US1679943A (en) * 1925-12-21 1928-08-07 Eastman Kodak Co Process for reducing the viscosity characteristics of cellulose ethers and products thereof
US1943461A (en) * 1930-04-16 1934-01-16 Ici Ltd Cellulose ether and method of making same
JPS4841037B1 (OSRAM) * 1964-10-26 1973-12-04
GB1296853A (OSRAM) * 1969-01-31 1972-11-22
US4061859A (en) * 1976-06-14 1977-12-06 The Dow Chemical Company Viscosity reduction of cellulose derivatives

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002531594A (ja) * 1998-12-01 2002-09-24 ザ ダウ ケミカル カンパニー セルロースエーテルの製造方法および製造装置
WO2001000680A1 (en) * 1999-06-24 2001-01-04 The Dow Chemical Company Process for making cellulose ethers having reduced yellowing and discoloration
JP2003503557A (ja) * 1999-06-24 2003-01-28 ザ ダウ ケミカル カンパニー 黄変及び変色度の低いセルロースエーテルの製造方法
WO2007023513A1 (ja) * 2005-08-22 2007-03-01 Shin-Etsu Chemical Co., Ltd. 溶解性の改善されたセルロース誘導体の製造製法
JP2009540098A (ja) * 2006-06-14 2009-11-19 ダウ グローバル テクノロジーズ インコーポレイティド セルロースエーテルの平均分子量を減少させる方法
EP3216807A1 (en) 2016-03-09 2017-09-13 Shin-Etsu Chemical Co., Ltd. Coating composition containing methyl cellulose, method for producing the same, and solid preparation
US11021628B2 (en) 2016-03-09 2021-06-01 Shin-Etsu Chemical Co., Ltd. Coating composition containing methyl cellulose, method for producing the same, and solid preparation
CN107915778A (zh) * 2016-10-06 2018-04-17 信越化学工业株式会社 生产低聚合度纤维素醚的方法
KR20220053483A (ko) 2020-10-22 2022-04-29 신에쓰 가가꾸 고교 가부시끼가이샤 해중합된 셀룰로오스에테르의 제조 방법
JP2022068676A (ja) * 2020-10-22 2022-05-10 信越化学工業株式会社 解重合されたセルロースエーテルの製造方法

Also Published As

Publication number Publication date
AU583139B2 (en) 1989-04-20
EP0210917A2 (en) 1987-02-04
EP0210917B1 (en) 1990-12-05
EP0210917A3 (en) 1987-09-02
DE3675993D1 (de) 1991-01-17
AU6039086A (en) 1987-01-29
DE210917T1 (de) 1988-02-04
JPH0476361B2 (OSRAM) 1992-12-03

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