CN106832345A - 离子/化学杂化双交联聚丙烯酸高强度水凝胶的制备方法 - Google Patents
离子/化学杂化双交联聚丙烯酸高强度水凝胶的制备方法 Download PDFInfo
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- CN106832345A CN106832345A CN201710043157.6A CN201710043157A CN106832345A CN 106832345 A CN106832345 A CN 106832345A CN 201710043157 A CN201710043157 A CN 201710043157A CN 106832345 A CN106832345 A CN 106832345A
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- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/075—Macromolecular gels
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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
- C08F2/00—Processes of polymerisation
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- C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
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- C—CHEMISTRY; METALLURGY
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- 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
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- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2333/00—Characterised by the use of homopolymers or 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 of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107814888A (zh) * | 2017-11-02 | 2018-03-20 | 北方民族大学 | 一种煤基聚合物水凝胶及其制备方法 |
CN110982006A (zh) * | 2019-12-12 | 2020-04-10 | 中国人民解放军空军特色医学中心 | 双交联自修复水凝胶材料及其制成的仿真人脑 |
CN112480312A (zh) * | 2020-11-27 | 2021-03-12 | 安徽工业大学 | 一种高弹性高强度双交联多孔水凝胶的制备方法 |
CN113372582A (zh) * | 2021-06-23 | 2021-09-10 | 太原理工大学 | 一种仿生复合水凝胶及其制备方法和应用 |
CN113480755A (zh) * | 2021-07-19 | 2021-10-08 | 浙江大学 | 一种金属离子原位配位增强聚电解质水凝胶的方法 |
WO2021206629A1 (en) * | 2020-04-06 | 2021-10-14 | Agency For Science, Technology And Research | Hydrogels, methods of fabrication and uses thereof |
CN114634631A (zh) * | 2022-02-27 | 2022-06-17 | 复旦大学 | 一种光控调节的双交联超分子水凝胶及其制备方法 |
CN115677906A (zh) * | 2022-11-10 | 2023-02-03 | 浙江工业大学 | 一种面向放射组学纹理分析的精准定制ct值水凝胶体模及其制备方法 |
CN117866270A (zh) * | 2024-01-11 | 2024-04-12 | 北京工商大学 | 一种自愈合水凝胶及其制备方法和应用 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101602876A (zh) * | 2009-06-23 | 2009-12-16 | 南京大学 | 高力学强度和电化学活性的多重网络复合水凝胶材料及其制法 |
CN104341561A (zh) * | 2014-11-06 | 2015-02-11 | 湖北工业大学 | 大分子电解质提高中性水凝胶吸水率的方法 |
CN105074123A (zh) * | 2013-01-18 | 2015-11-18 | 科诺科菲利浦公司 | 用于延缓胶凝化的纳米凝胶 |
CN106188575A (zh) * | 2016-07-19 | 2016-12-07 | 湖北工业大学 | 琼脂/聚丙烯酸双网络天然水凝胶材料的制备方法 |
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2017
- 2017-01-19 CN CN201710043157.6A patent/CN106832345B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101602876A (zh) * | 2009-06-23 | 2009-12-16 | 南京大学 | 高力学强度和电化学活性的多重网络复合水凝胶材料及其制法 |
CN105074123A (zh) * | 2013-01-18 | 2015-11-18 | 科诺科菲利浦公司 | 用于延缓胶凝化的纳米凝胶 |
CN104341561A (zh) * | 2014-11-06 | 2015-02-11 | 湖北工业大学 | 大分子电解质提高中性水凝胶吸水率的方法 |
CN106188575A (zh) * | 2016-07-19 | 2016-12-07 | 湖北工业大学 | 琼脂/聚丙烯酸双网络天然水凝胶材料的制备方法 |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107814888A (zh) * | 2017-11-02 | 2018-03-20 | 北方民族大学 | 一种煤基聚合物水凝胶及其制备方法 |
CN107814888B (zh) * | 2017-11-02 | 2019-11-22 | 北方民族大学 | 一种煤基聚合物水凝胶及其制备方法 |
CN110982006A (zh) * | 2019-12-12 | 2020-04-10 | 中国人民解放军空军特色医学中心 | 双交联自修复水凝胶材料及其制成的仿真人脑 |
WO2021206629A1 (en) * | 2020-04-06 | 2021-10-14 | Agency For Science, Technology And Research | Hydrogels, methods of fabrication and uses thereof |
CN112480312A (zh) * | 2020-11-27 | 2021-03-12 | 安徽工业大学 | 一种高弹性高强度双交联多孔水凝胶的制备方法 |
CN113372582A (zh) * | 2021-06-23 | 2021-09-10 | 太原理工大学 | 一种仿生复合水凝胶及其制备方法和应用 |
CN113480755A (zh) * | 2021-07-19 | 2021-10-08 | 浙江大学 | 一种金属离子原位配位增强聚电解质水凝胶的方法 |
CN114634631A (zh) * | 2022-02-27 | 2022-06-17 | 复旦大学 | 一种光控调节的双交联超分子水凝胶及其制备方法 |
CN114634631B (zh) * | 2022-02-27 | 2023-05-30 | 复旦大学 | 一种光控调节的双交联超分子水凝胶及其制备方法 |
CN115677906A (zh) * | 2022-11-10 | 2023-02-03 | 浙江工业大学 | 一种面向放射组学纹理分析的精准定制ct值水凝胶体模及其制备方法 |
CN115677906B (zh) * | 2022-11-10 | 2024-01-16 | 浙江工业大学 | 一种面向放射组学纹理分析的精准定制ct值水凝胶体模及其制备方法 |
CN117866270A (zh) * | 2024-01-11 | 2024-04-12 | 北京工商大学 | 一种自愈合水凝胶及其制备方法和应用 |
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