CN101633706B - N-乙烯基吡咯烷酮类聚合物溶液的提纯方法 - Google Patents
N-乙烯基吡咯烷酮类聚合物溶液的提纯方法 Download PDFInfo
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- CN101633706B CN101633706B CN2009100420420A CN200910042042A CN101633706B CN 101633706 B CN101633706 B CN 101633706B CN 2009100420420 A CN2009100420420 A CN 2009100420420A CN 200910042042 A CN200910042042 A CN 200910042042A CN 101633706 B CN101633706 B CN 101633706B
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- polymer solution
- vinylpyrrolidinone polymer
- vinylpyrrolidinone
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CN101633706A CN101633706A (zh) | 2010-01-27 |
CN101633706B true CN101633706B (zh) | 2011-06-15 |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2967081A1 (fr) * | 2010-11-08 | 2012-05-11 | Lorraine Inst Nat Polytech | Procede de purification d'un melange visqueux contenant un ou plusieurs contaminants |
CN102898563B (zh) * | 2012-10-24 | 2014-06-18 | 四川化工控股(集团)有限责任公司 | 一种降低聚乙烯吡咯烷酮中n-乙烯基吡咯烷酮的催化剂及其制备方法与应用 |
CN105294886A (zh) * | 2015-11-29 | 2016-02-03 | 贵州省欣紫鸿药用辅料有限公司 | 聚维酮k30中N-乙烯基吡咯烷酮的去除方法 |
CN105502560A (zh) * | 2015-12-11 | 2016-04-20 | 杭州大业环保科技有限公司 | 一种环保型污水处理剂 |
CN112225835A (zh) * | 2020-10-30 | 2021-01-15 | 博爱新开源医疗科技集团股份有限公司 | 高k值低残留单体聚合物粉末及其制备方法 |
WO2023099232A1 (en) | 2021-11-30 | 2023-06-08 | Basf Se | Preparation of n-vinylpyrrolidone polymers, containing less than 0.5 wt% of 2-pyrrolidone |
CN117362214B (zh) * | 2023-08-29 | 2024-03-26 | 湖州神华高分子材料有限公司 | 一种从n-乙烯基吡咯烷酮溶液中去除胺类物质的方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US4795802A (en) * | 1986-09-03 | 1989-01-03 | Basf Aktiengesellschaft | Removal of vinylpyrrolidone from vinylpyrrolidone polymers |
CN1073949A (zh) * | 1991-12-05 | 1993-07-07 | Basf公司 | 超高纯n-乙烯基吡咯烷酮聚合物的制备 |
JP2000204113A (ja) * | 1999-01-13 | 2000-07-25 | Kawaken Fine Chem Co Ltd | ポリビニルピロリドンの精製方法 |
CN1358203A (zh) * | 2000-06-15 | 2002-07-10 | 第一工业制药株式会社 | 乙烯基吡咯烷酮聚合物的制备方法 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4795802A (en) * | 1986-09-03 | 1989-01-03 | Basf Aktiengesellschaft | Removal of vinylpyrrolidone from vinylpyrrolidone polymers |
CN1073949A (zh) * | 1991-12-05 | 1993-07-07 | Basf公司 | 超高纯n-乙烯基吡咯烷酮聚合物的制备 |
JP2000204113A (ja) * | 1999-01-13 | 2000-07-25 | Kawaken Fine Chem Co Ltd | ポリビニルピロリドンの精製方法 |
CN1358203A (zh) * | 2000-06-15 | 2002-07-10 | 第一工业制药株式会社 | 乙烯基吡咯烷酮聚合物的制备方法 |
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Address after: 510640 Tianhe District, Guangdong, No. five road, No. 381, Patentee after: SOUTH CHINA University OF TECHNOLOGY Patentee after: GUANGDONG TEXTILE TESTING AND MEASURING TECHNOLOGY CO.,LTD. Address before: 510640 Tianhe District, Guangdong, No. five road, No. 381, Patentee before: SOUTH CHINA University OF TECHNOLOGY Patentee before: GUANGZHOU TEXTILES & GARMENTS RESEARCH INSTITUTE CO.,LTD. Address after: 510640 Tianhe District, Guangdong, No. five road, No. 381, Patentee after: SOUTH CHINA University OF TECHNOLOGY Patentee after: GUANGZHOU TEXTILES & GARMENTS RESEARCH INSTITUTE CO.,LTD. Address before: 510640 Tianhe District, Guangdong, No. five road, No. 381, Patentee before: SOUTH CHINA University OF TECHNOLOGY Patentee before: Guangzhou Textile Industry Research Institute Address after: 510640 Tianhe District, Guangdong, No. five road, No. 381, Patentee after: SOUTH CHINA University OF TECHNOLOGY Patentee after: GUANGZHOU TEXTILE INDUSTRY Research Institute Address before: 510640 Tianhe District, Guangdong, No. five road, No. 381, Patentee before: SOUTH CHINA University OF TECHNOLOGY Patentee before: Guangzhou Textile Industry Research Institute |
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CF01 | Termination of patent right due to non-payment of annual fee |