CN107098982A - 羟丙甲纤维素的生产方法 - Google Patents
羟丙甲纤维素的生产方法 Download PDFInfo
- Publication number
- CN107098982A CN107098982A CN201710302596.4A CN201710302596A CN107098982A CN 107098982 A CN107098982 A CN 107098982A CN 201710302596 A CN201710302596 A CN 201710302596A CN 107098982 A CN107098982 A CN 107098982A
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- CN
- China
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- solvent
- precipitation
- production method
- discharge
- hydroxypropyl methylcellulose
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- 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
- C08B11/08—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with hydroxylated hydrocarbon radicals; Esters, ethers, or acetals thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/96—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with openwork frames or cages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/40—Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor
- B01F35/41—Mounting or supporting stirrer shafts or stirrer units on receptacles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710302596.4A CN107098982B (zh) | 2017-05-03 | 2017-05-03 | 羟丙甲纤维素的生产方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710302596.4A CN107098982B (zh) | 2017-05-03 | 2017-05-03 | 羟丙甲纤维素的生产方法 |
Publications (2)
Publication Number | Publication Date |
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CN107098982A true CN107098982A (zh) | 2017-08-29 |
CN107098982B CN107098982B (zh) | 2019-10-11 |
Family
ID=59657428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710302596.4A Active CN107098982B (zh) | 2017-05-03 | 2017-05-03 | 羟丙甲纤维素的生产方法 |
Country Status (1)
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CN (1) | CN107098982B (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109232973A (zh) * | 2018-09-10 | 2019-01-18 | 夏美佳 | 一种废旧有机玻璃塑料连续裂解装置 |
CN110396733A (zh) * | 2018-04-24 | 2019-11-01 | 恒天纤维集团有限公司 | 一种溶剂回收方法 |
CN111808204A (zh) * | 2020-07-16 | 2020-10-23 | 衢州学院 | 一种用于纤维素的高效混料生产工艺 |
WO2022143214A1 (zh) * | 2020-12-30 | 2022-07-07 | 山东一滕新材料股份有限公司 | 一种制备改性纤维素的方法及装置 |
CN115626957A (zh) * | 2022-11-02 | 2023-01-20 | 美信佳中维药业股份有限公司 | 一种骨架缓释用羟丙甲纤维素的生产方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101260158A (zh) * | 2008-04-14 | 2008-09-10 | 浙江中维药业有限公司 | 羟丙基甲基纤维素制备方法 |
CN102603899A (zh) * | 2012-02-24 | 2012-07-25 | 邸勇 | 一种生产低取代羟丙基纤维素的工艺 |
CN103374075A (zh) * | 2013-08-05 | 2013-10-30 | 浙江中维药业有限公司 | 一种羟丙基甲基纤维素的合成方法 |
CN203648435U (zh) * | 2013-12-20 | 2014-06-18 | 河北野田农用化学有限公司 | 一种脱溶釜搅拌装置 |
CN106397794A (zh) * | 2016-08-31 | 2017-02-15 | 泸州北方化学工业有限公司 | 一种高分子树脂脱溶造粒的方法 |
-
2017
- 2017-05-03 CN CN201710302596.4A patent/CN107098982B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101260158A (zh) * | 2008-04-14 | 2008-09-10 | 浙江中维药业有限公司 | 羟丙基甲基纤维素制备方法 |
CN102603899A (zh) * | 2012-02-24 | 2012-07-25 | 邸勇 | 一种生产低取代羟丙基纤维素的工艺 |
CN103374075A (zh) * | 2013-08-05 | 2013-10-30 | 浙江中维药业有限公司 | 一种羟丙基甲基纤维素的合成方法 |
CN203648435U (zh) * | 2013-12-20 | 2014-06-18 | 河北野田农用化学有限公司 | 一种脱溶釜搅拌装置 |
CN106397794A (zh) * | 2016-08-31 | 2017-02-15 | 泸州北方化学工业有限公司 | 一种高分子树脂脱溶造粒的方法 |
Non-Patent Citations (1)
Title |
---|
刘作华等: "《流体混沌混合及搅拌过程强化方法》", 31 July 2016, 重庆大学出版社 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110396733A (zh) * | 2018-04-24 | 2019-11-01 | 恒天纤维集团有限公司 | 一种溶剂回收方法 |
CN110396733B (zh) * | 2018-04-24 | 2022-11-25 | 恒天纤维集团有限公司 | 一种溶剂回收方法 |
CN109232973A (zh) * | 2018-09-10 | 2019-01-18 | 夏美佳 | 一种废旧有机玻璃塑料连续裂解装置 |
CN111808204A (zh) * | 2020-07-16 | 2020-10-23 | 衢州学院 | 一种用于纤维素的高效混料生产工艺 |
WO2022143214A1 (zh) * | 2020-12-30 | 2022-07-07 | 山东一滕新材料股份有限公司 | 一种制备改性纤维素的方法及装置 |
CN115626957A (zh) * | 2022-11-02 | 2023-01-20 | 美信佳中维药业股份有限公司 | 一种骨架缓释用羟丙甲纤维素的生产方法 |
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Publication number | Publication date |
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CN107098982B (zh) | 2019-10-11 |
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PB01 | Publication | ||
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 313000 No. 88, Zhongde Road, Linghu Town, Nanxun District, Huzhou City, Zhejiang Province (self declaration) Patentee after: Meixinjia Zhongwei Pharmaceutical Co.,Ltd. Address before: 313000 No.366 Zijing Road, Huzhou Economic and Technological Development Zone, Huzhou City, Zhejiang Province Patentee before: ZHEJIANG JOINWAY PHARMACEUTICAL CO.,LTD. |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Production method of hydroxypropyl methylcellulose Effective date of registration: 20220223 Granted publication date: 20191011 Pledgee: Huzhou Wuxing Rural Commercial Bank Co.,Ltd. Pledgor: Meixinjia Zhongwei Pharmaceutical Co.,Ltd. Registration number: Y2022980001769 |
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CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: 313000 No. 366, Zijing Road, Longxi Street, South Taihu New District, Huzhou, Zhejiang Patentee after: Meixinjia Zhongwei Pharmaceutical Co.,Ltd. Address before: 313000 No. 88, Zhongde Road, Linghu Town, Nanxun District, Huzhou City, Zhejiang Province (self declaration) Patentee before: Meixinjia Zhongwei Pharmaceutical Co.,Ltd. |