CN100588673C - Process of preparing alkyl dead-end polyether by polyether with parahydroxyl at molecular chain end - Google Patents
Process of preparing alkyl dead-end polyether by polyether with parahydroxyl at molecular chain end Download PDFInfo
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- CN100588673C CN100588673C CN200610154875A CN200610154875A CN100588673C CN 100588673 C CN100588673 C CN 100588673C CN 200610154875 A CN200610154875 A CN 200610154875A CN 200610154875 A CN200610154875 A CN 200610154875A CN 100588673 C CN100588673 C CN 100588673C
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- polyethers
- polyether
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- alkali
- alkyl
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Abstract
Description
End-capping reagent | Strong nucleophilic reagent alkali | Polyethers/alkali/end-capping reagent | The end-blocking rate | |
Embodiment 1 | N-butyl bromide | The methanol solution of sodium methylate | 1∶2.0∶2.3 | 93% |
Prior art Comparative Examples 1 | N-butyl bromide | Potassium hydroxide | 1∶2.0∶2.3 | 30% |
Embodiment 2 | N-butyl bromide | The methanol solution of sodium methylate | 1∶2.5∶2.8 | 90% |
Prior art Comparative Examples 2 | N-butyl bromide | Potassium hydroxide | 1∶2.5∶2.8 | 35% |
Claims (4)
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CN200610154875A CN100588673C (en) | 2006-11-28 | 2006-11-28 | Process of preparing alkyl dead-end polyether by polyether with parahydroxyl at molecular chain end |
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CN200610154875A CN100588673C (en) | 2006-11-28 | 2006-11-28 | Process of preparing alkyl dead-end polyether by polyether with parahydroxyl at molecular chain end |
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CN100999580A CN100999580A (en) | 2007-07-18 |
CN100588673C true CN100588673C (en) | 2010-02-10 |
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CN200610154875A Active CN100588673C (en) | 2006-11-28 | 2006-11-28 | Process of preparing alkyl dead-end polyether by polyether with parahydroxyl at molecular chain end |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101235144B (en) * | 2007-12-21 | 2011-04-13 | 浙江皇马科技股份有限公司 | Method for preparing low hydroxyl value alkyl capped polyether |
CN102382290A (en) * | 2011-11-02 | 2012-03-21 | 浙江合诚化学有限公司 | Method for synthesizing triallyl polyether |
CN103626990A (en) * | 2013-11-27 | 2014-03-12 | 浙江皇马科技股份有限公司 | Method for synthesizing trimethyl allyl polyoxypropylene ether |
CN104788296B (en) * | 2014-09-22 | 2017-01-11 | 山东诚创医药技术开发有限公司 | Preparation method of methyldecane as impurity of colesevelam hydrochloride |
CN106188483A (en) * | 2016-07-18 | 2016-12-07 | 中科院广州化学有限公司南雄材料生产基地 | A kind of via material environment-friendly type block polyether emulsifying agent and preparation method thereof |
CN110330640B (en) * | 2019-07-15 | 2022-02-18 | 万华化学集团股份有限公司 | Refining method of high molecular weight alkyl terminated polyether |
CN112679723B (en) * | 2020-12-28 | 2023-04-07 | 上海东大化学有限公司 | Two-end alkyl-terminated PAG polyether and preparation method thereof |
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CN100999580A (en) | 2007-07-18 |
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Owner name: ZHEJIANG HUANGMA TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WANG WEISONG Effective date: 20100601 |
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Free format text: CORRECT: ADDRESS; FROM: 312300 ZHEJIANG HUANGMA CHEMICAL INDUSTRY GROUP CO., LTD., INDUSTRIAL NEW ZONE, ZHANG TOWN, SHANGYU CITY, ZHEJIANG PROVINCE TO: 312363 ZHEJIANG HUANGMA TECHNOLOGY CO., LTD., INDUSTRIAL NEW ZONE, ZHANG TOWN, SHANGYU CITY, ZHEJIANG PROVINCE |
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Effective date of registration: 20100601 Address after: 312363, Shangyu Town, Zhejiang Province Industrial Zone, Zhejiang Real Madrid Polytron Technologies Inc Patentee after: Zhejiang Huangma Technology Co., Ltd. Address before: 312300, Shangyu, Zhejiang Province town industrial zone, Zhejiang Real Madrid Chemical Group Co., Ltd. Patentee before: Wang Weisong |
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ASS | Succession or assignment of patent right |
Owner name: SHANGYU CITY HUANGMA CHEMICAL CO., LTD. Free format text: FORMER OWNER: ZHEJIANG HUANGMA SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20120301 |
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TR01 | Transfer of patent right |
Effective date of registration: 20120301 Address after: 312363, Zhejiang, Shangyu Town Industrial Zone, Shangyu City Real Madrid Chemical Co., Ltd. Patentee after: Shangyu City Huangma Chemical Co., Ltd. Address before: 312363, Shangyu Town, Zhejiang Province Industrial Zone, Zhejiang Real Madrid Polytron Technologies Inc Patentee before: Zhejiang Huangma Technology Co., Ltd. |
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ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG HUANGMA SCIENCE + TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHANGYU CITY HUANGMA CHEMICAL CO., LTD. Effective date: 20150701 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20150701 Address after: 312363, Shaoxing Town, Zhejiang City, Shangyu province Chapter Industrial Zone Patentee after: Zhejiang Huangma Technology Co., Ltd. Address before: 312363, Zhejiang, Shangyu Town Industrial Zone, Shangyu City Real Madrid Chemical Co., Ltd. Patentee before: Shangyu City Huangma Chemical Co., Ltd. |