CN104558203B - 一种特低粘度高取代羟丙基纤维素醚的制备方法及其制品 - Google Patents
一种特低粘度高取代羟丙基纤维素醚的制备方法及其制品 Download PDFInfo
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- CN104558203B CN104558203B CN201510031981.0A CN201510031981A CN104558203B CN 104558203 B CN104558203 B CN 104558203B CN 201510031981 A CN201510031981 A CN 201510031981A CN 104558203 B CN104558203 B CN 104558203B
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- preparation
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- hydroxypropylcelluloether ether
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 229920000297 Rayon Polymers 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000002904 solvent Substances 0.000 claims abstract description 51
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 238000005406 washing Methods 0.000 claims abstract description 27
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 229920000742 Cotton Polymers 0.000 claims abstract description 14
- 239000001294 propane Substances 0.000 claims abstract description 10
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 8
- 238000010792 warming Methods 0.000 claims abstract description 8
- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 25
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 claims description 24
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- 238000005119 centrifugation Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical group CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 8
- 239000012065 filter cake Substances 0.000 claims description 7
- 238000006116 polymerization reaction Methods 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims 1
- 239000007864 aqueous solution Substances 0.000 abstract description 9
- -1 hydroxypropoxy Chemical group 0.000 abstract description 6
- 238000002834 transmittance Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000003814 drug Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 35
- 235000011121 sodium hydroxide Nutrition 0.000 description 13
- 229920003086 cellulose ether Polymers 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 4
- 230000011218 segmentation Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000013270 controlled release Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006266 etherification reaction Methods 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
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- Polysaccharides And Polysaccharide Derivatives (AREA)
- Medicinal Preparation (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510031981.0A CN104558203B (zh) | 2015-01-22 | 2015-01-22 | 一种特低粘度高取代羟丙基纤维素醚的制备方法及其制品 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510031981.0A CN104558203B (zh) | 2015-01-22 | 2015-01-22 | 一种特低粘度高取代羟丙基纤维素醚的制备方法及其制品 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104558203A CN104558203A (zh) | 2015-04-29 |
| CN104558203B true CN104558203B (zh) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510031981.0A Active CN104558203B (zh) | 2015-01-22 | 2015-01-22 | 一种特低粘度高取代羟丙基纤维素醚的制备方法及其制品 |
Country Status (1)
| Country | Link |
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| CN (1) | CN104558203B (zh) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11136415B2 (en) * | 2017-03-23 | 2021-10-05 | Shin-Etsu Chemical Co., Ltd. | Method for producing hydroxypropyl methyl cellulose |
| EP3668901B1 (en) * | 2017-08-16 | 2021-05-05 | Nutrition & Biosciences USA 1, LLC | Method for controlled preparation of low molecular weight cellulose ether |
| CN107602708A (zh) * | 2017-11-09 | 2018-01-19 | 安徽山河药用辅料股份有限公司 | 一种高取代羟丙纤维素的制备方法 |
| CN112707876B (zh) * | 2019-10-25 | 2023-07-18 | 中国石油化工股份有限公司 | 一种2,2’二(4-羟基环己基)丙烷缩水甘油醚的制备方法 |
| CN117069868B (zh) * | 2023-09-01 | 2025-12-26 | 湖州展望药业有限公司 | 一种超低黏度羟丙基甲基纤维素的制备方法 |
| CN119390856B (zh) * | 2025-01-02 | 2025-04-15 | 山东赫达集团股份有限公司 | 一种缓释包衣材料用三元羟烷基纤维素醚的制备方法及应用 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3351583A (en) * | 1964-07-06 | 1967-11-07 | Hercules Inc | Preparation of hydroxypropyl cellulose |
| US4894448A (en) * | 1985-08-29 | 1990-01-16 | Hoechst Aktiengesellschaft | Process for the preparation of low-viscosity cellulose ethers |
| DE19854770A1 (de) * | 1998-11-27 | 2000-05-31 | Wolff Walsrode Ag | Verfahren zur Herstellung niedrigviskoser wasserlöslicher Celluloseether |
| KR20030025682A (ko) * | 2001-09-22 | 2003-03-29 | 삼성정밀화학 주식회사 | 저점도 히드록시프로필메틸 셀룰로오스의 제조방법 |
| CN1569901A (zh) * | 2004-04-30 | 2005-01-26 | 北京理工大学 | 叠氮二羟丙基纤维素硝酸酯的制备方法和合成 |
| CN102617741A (zh) * | 2012-02-24 | 2012-08-01 | 刘传荣 | 一种生产高取代度羟丙基纤维素的工艺 |
| CN102649820A (zh) * | 2012-05-25 | 2012-08-29 | 安徽山河药用辅料股份有限公司 | 一种超低粘羟丙基甲基纤维素醚的制备方法 |
| CN102911272A (zh) * | 2012-11-15 | 2013-02-06 | 泰安赛露纤维素醚科技有限公司 | 二元复合溶剂生产高取代度羟乙基纤维素的工艺 |
| KR20140075503A (ko) * | 2012-12-11 | 2014-06-19 | 삼성정밀화학 주식회사 | 부분 중화법을 통한 초저점도 히드록시알킬 셀룰로오스의 제조방법 |
-
2015
- 2015-01-22 CN CN201510031981.0A patent/CN104558203B/zh active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3351583A (en) * | 1964-07-06 | 1967-11-07 | Hercules Inc | Preparation of hydroxypropyl cellulose |
| US4894448A (en) * | 1985-08-29 | 1990-01-16 | Hoechst Aktiengesellschaft | Process for the preparation of low-viscosity cellulose ethers |
| DE19854770A1 (de) * | 1998-11-27 | 2000-05-31 | Wolff Walsrode Ag | Verfahren zur Herstellung niedrigviskoser wasserlöslicher Celluloseether |
| KR20030025682A (ko) * | 2001-09-22 | 2003-03-29 | 삼성정밀화학 주식회사 | 저점도 히드록시프로필메틸 셀룰로오스의 제조방법 |
| CN1569901A (zh) * | 2004-04-30 | 2005-01-26 | 北京理工大学 | 叠氮二羟丙基纤维素硝酸酯的制备方法和合成 |
| CN102617741A (zh) * | 2012-02-24 | 2012-08-01 | 刘传荣 | 一种生产高取代度羟丙基纤维素的工艺 |
| CN102649820A (zh) * | 2012-05-25 | 2012-08-29 | 安徽山河药用辅料股份有限公司 | 一种超低粘羟丙基甲基纤维素醚的制备方法 |
| CN102911272A (zh) * | 2012-11-15 | 2013-02-06 | 泰安赛露纤维素醚科技有限公司 | 二元复合溶剂生产高取代度羟乙基纤维素的工艺 |
| KR20140075503A (ko) * | 2012-12-11 | 2014-06-19 | 삼성정밀화학 주식회사 | 부분 중화법을 통한 초저점도 히드록시알킬 셀룰로오스의 제조방법 |
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| CN104558203A (zh) | 2015-04-29 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 313000, Zhejiang City, Nanxun province Huzhou Ling Lake Town West Zhuang Development Zone, Huzhou prospect pharmaceutical, Limited by Share Ltd Patentee after: HUZHOU ZHANWANG PHARMACEUTICAL Co.,Ltd. Address before: 313000, Zhejiang City, Nanxun province Huzhou Ling Lake Town West Zhuang Development Zone, Huzhou prospect pharmaceutical, Limited by Share Ltd Patentee before: HUZHOU ZHANWANG PHARMACEUTICAL Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220921 Address after: No. 1921, Hongfeng Road, Southwest Industrial Zone, Huzhou Economic Development Zone, Huzhou City, Zhejiang Province, 313000 Patentee after: HUZHOU ZHANWANG TIANMING PHARMACEUTICAL CO.,LTD. Address before: Huzhou Zhanzhan Pharmaceutical Co., Ltd., Xizhuang Development Zone, Linghu Town, Nanxun District, Huzhou City, Zhejiang Province 313000 Patentee before: HUZHOU ZHANWANG PHARMACEUTICAL Co.,Ltd. |
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| TR01 | Transfer of patent right |