CN106753309B - 一种纳米纤维素/聚丙烯酰胺复合乳液及其制备方法 - Google Patents
一种纳米纤维素/聚丙烯酰胺复合乳液及其制备方法 Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
- C09K8/588—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
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- Chemical & Material Sciences (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
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CN107513131B (zh) * | 2017-07-05 | 2020-01-03 | 南京林业大学 | 聚丙烯酰胺/纳米纤维素/碳纳米管导电复合凝胶制备法 |
CN108219009B (zh) * | 2018-01-05 | 2020-10-09 | 中海石油(中国)有限公司 | 一种改性纳米纤维素及其制备方法与应用 |
CN107987820B (zh) * | 2018-01-05 | 2020-04-07 | 中海石油(中国)有限公司 | 一种耐温抗盐驱油聚合物及其制备方法与应用 |
CN110564381B (zh) * | 2019-09-28 | 2021-07-20 | 重庆威能钻井助剂有限公司 | 一种钻井液用复合降滤失剂及其制备方法 |
CN113136194B (zh) * | 2021-04-26 | 2023-05-02 | 中国石油大学(华东) | 一种基于纳米纤维素的乳状液及其制备方法和应用 |
CN116606578B (zh) * | 2023-04-14 | 2024-08-09 | 中国皮革制鞋研究院有限公司 | 一种皮革涂饰剂及其制备方法 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102086248A (zh) * | 2010-12-24 | 2011-06-08 | 北京石大万嘉新材料科技有限公司 | 聚丙烯酰胺微凝胶及其制备方法和应用 |
CN102127189A (zh) * | 2010-12-24 | 2011-07-20 | 北京石大万嘉新材料科技有限公司 | 聚丙烯酰胺微凝胶及其制备方法和应用 |
CN102453477A (zh) * | 2010-10-25 | 2012-05-16 | 中国石油化工股份有限公司 | 磺乙基纤维素醚-丙烯酰胺接枝共聚物及其制备方法 |
CN102453479A (zh) * | 2010-10-29 | 2012-05-16 | 中国石油化工股份有限公司 | 硫酸化纤维素醚-丙烯酰胺接枝共聚物、制备方法及应用 |
CN102453478A (zh) * | 2010-10-29 | 2012-05-16 | 中国石油化工股份有限公司 | 一种油田用耐温抗盐高分子表面活性剂、制备方法及应用 |
CN103232573A (zh) * | 2013-03-18 | 2013-08-07 | 江苏富淼科技股份有限公司 | 一种聚丙烯酰胺乳液的制备方法 |
WO2014148917A1 (en) * | 2013-03-20 | 2014-09-25 | Elkem As | Viscosifier for oil well fluids |
CN104364342A (zh) * | 2012-04-13 | 2015-02-18 | 普拉德研究及开发股份有限公司 | 包含纳米纤维素的流体和方法 |
CN105062454A (zh) * | 2015-08-21 | 2015-11-18 | 西南石油大学 | 纳米纤维素在作为或制备驱油剂中的应用 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1133707C (zh) * | 2000-04-19 | 2004-01-07 | 中国科学院广州化学研究所 | 纳米微晶纤维素-丙烯酰胺化学灌浆材料 |
-
2016
- 2016-11-16 CN CN201611007473.XA patent/CN106753309B/zh active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102453477A (zh) * | 2010-10-25 | 2012-05-16 | 中国石油化工股份有限公司 | 磺乙基纤维素醚-丙烯酰胺接枝共聚物及其制备方法 |
CN102453479A (zh) * | 2010-10-29 | 2012-05-16 | 中国石油化工股份有限公司 | 硫酸化纤维素醚-丙烯酰胺接枝共聚物、制备方法及应用 |
CN102453478A (zh) * | 2010-10-29 | 2012-05-16 | 中国石油化工股份有限公司 | 一种油田用耐温抗盐高分子表面活性剂、制备方法及应用 |
CN102086248A (zh) * | 2010-12-24 | 2011-06-08 | 北京石大万嘉新材料科技有限公司 | 聚丙烯酰胺微凝胶及其制备方法和应用 |
CN102127189A (zh) * | 2010-12-24 | 2011-07-20 | 北京石大万嘉新材料科技有限公司 | 聚丙烯酰胺微凝胶及其制备方法和应用 |
CN104364342A (zh) * | 2012-04-13 | 2015-02-18 | 普拉德研究及开发股份有限公司 | 包含纳米纤维素的流体和方法 |
CN103232573A (zh) * | 2013-03-18 | 2013-08-07 | 江苏富淼科技股份有限公司 | 一种聚丙烯酰胺乳液的制备方法 |
WO2014148917A1 (en) * | 2013-03-20 | 2014-09-25 | Elkem As | Viscosifier for oil well fluids |
CN105062454A (zh) * | 2015-08-21 | 2015-11-18 | 西南石油大学 | 纳米纤维素在作为或制备驱油剂中的应用 |
Non-Patent Citations (1)
Title |
---|
超细纤维素胶体和丙烯酰胺的接枝共聚;潘松汉 等;《纤维素科学与技术》;19961231;第4卷(第2期);第19-24页 * |
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CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Li Meijiao Inventor after: Cui Guoyou Inventor after: Chen Jingjing Inventor after: Tian Xiaoyan Inventor after: Wu Xinmin Inventor after: Han Junzhe Inventor before: Li Meijiao Inventor before: Cui Guoyou Inventor before: Chen Jingjing Inventor before: Tian Xiaoyan Inventor before: Wu Xinmin Inventor before: Han Junzhe |