CN108794767A - 一种应变感应高强度导电水凝胶 - Google Patents
一种应变感应高强度导电水凝胶 Download PDFInfo
- Publication number
- CN108794767A CN108794767A CN201711063213.9A CN201711063213A CN108794767A CN 108794767 A CN108794767 A CN 108794767A CN 201711063213 A CN201711063213 A CN 201711063213A CN 108794767 A CN108794767 A CN 108794767A
- Authority
- CN
- China
- Prior art keywords
- gel
- network
- strain
- monomer
- conducting polymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000017 hydrogel Substances 0.000 title claims abstract description 26
- 230000006698 induction Effects 0.000 title claims description 6
- 239000000499 gel Substances 0.000 claims abstract description 80
- 239000000178 monomer Substances 0.000 claims abstract description 24
- 239000002322 conducting polymer Substances 0.000 claims abstract description 17
- 229920001940 conductive polymer Polymers 0.000 claims abstract description 17
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 13
- 229920000642 polymer Polymers 0.000 claims abstract description 8
- -1 hydroxyalkyl methacrylate class Chemical class 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 5
- 238000006116 polymerization reaction Methods 0.000 claims description 39
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N N-phenyl amine Natural products NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 33
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 22
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 11
- 238000005286 illumination Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 11
- 230000003647 oxidation Effects 0.000 claims description 10
- 238000007254 oxidation reaction Methods 0.000 claims description 10
- 150000003839 salts Chemical class 0.000 claims description 9
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 claims description 8
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims description 8
- GNSFRPWPOGYVLO-UHFFFAOYSA-N 3-hydroxypropyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCCO GNSFRPWPOGYVLO-UHFFFAOYSA-N 0.000 claims description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims description 3
- 150000003233 pyrroles Chemical class 0.000 claims description 3
- 125000002490 anilino group Chemical group [H]N(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims description 2
- 229920002401 polyacrylamide Polymers 0.000 claims description 2
- KLQWZWNTTNRVOZ-UHFFFAOYSA-M [3-(3,4-dimethyl-9-oxothioxanthen-2-yl)oxy-2-hydroxypropyl]-trimethylazanium;chloride Chemical compound [Cl-].C1=CC=C2C(=O)C3=CC(OCC(O)C[N+](C)(C)C)=C(C)C(C)=C3SC2=C1 KLQWZWNTTNRVOZ-UHFFFAOYSA-M 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 22
- 238000000034 method Methods 0.000 description 14
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 9
- 239000000523 sample Substances 0.000 description 9
- 239000002904 solvent Substances 0.000 description 8
- 239000003292 glue Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- 239000011837 N,N-methylenebisacrylamide Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Classifications
-
- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- 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
-
- 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
- C08F220/10—Esters
- C08F220/20—Esters of polyhydric alcohols or phenols, e.g. 2-hydroxyethyl (meth)acrylate or glycerol mono-(meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- C08G73/026—Wholly aromatic polyamines
- C08G73/0266—Polyanilines or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/0605—Polycondensates containing five-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms
- C08G73/0611—Polycondensates containing five-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms with only one nitrogen atom in the ring, e.g. polypyrroles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/447—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from acrylic compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2210/00—Compositions for preparing hydrogels
-
- 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
- C08J2333/04—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 esters
- C08J2333/14—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 esters of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
-
- 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
- C08J2479/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2461/00 - C08J2477/00
- C08J2479/02—Polyamines
-
- 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
- C08J2479/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2461/00 - C08J2477/00
- C08J2479/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Graft Or Block Polymers (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
Abstract
本发明涉及一种应变感应高强度导电凝胶。本发明主要内容是采用甲基丙烯酸羟烷基酯类单体与丙烯酰胺共聚得到绝缘聚合物凝胶网络,再将凝胶网络内的导电聚合物类单体进一步聚合,得到绝缘聚合物网络与导电聚合物网络相互贯穿的双网络水凝胶。本发明解决了目前导电凝胶制备过程复杂、涉及原料成本较高、制得的凝胶在力学性能以及导电性能方面不能兼顾的问题。本发明的优点是制备方法简单、成本低。
Description
技术领域
本发明属于高分子材料技术领域,涉及一种应变感应高强度导电凝胶,尤其是基于导电聚合物的双网络的应变感应高强度导电水凝胶。
背景技术
聚合物水凝胶是链段或基团通过物理或化学作用结合在一起,形成三维交联网络的聚合物,其中含有大量的水。聚合物水凝胶中水的质量可以是聚合物质量的十几倍。聚合物水凝胶与生物体的组成极其相似,吸引了大量从事基础研究的科学工作者的研究兴趣。
导电水凝胶作为功能性凝胶的一种,有望在催化、能源、驱动、传感等领域得到实际的应用。但是,目前的导电凝胶和传统凝胶一样都存在力学性能差的问题,使得其在实际应用中受到很大的限制。马明明等(Li,W.,Gao,F.,Wang,X.,Zhang,N.,&Ma,M.(2016).Angewandte,9342–9347.)通过硼酸酯反应将取代有硼酸基团的苯胺与聚乙烯醇凝胶结合在一起,进一步氧化聚合苯胺,得到高强度的双网络凝胶。该凝胶导电率达到10S/m,高于大多数导电凝胶(0.01-1S/m)。该凝胶拉伸断裂应力高达5.3MPa,但断裂应变只有250%。石高全等(Yao,B.,Wang,H.,Zhou,Q.,Wu,M.,Zhang,M.,&Li,C.(2017).Ultrahigh-Conductivity Polymer Hydrogels with Arbitrary Structures,1700974,1–7.)对市售的PEDOT/PSS溶液进行水热反应得到导电率为46S/m的凝胶,经浓硫酸进一步处理之后得到导电率高达880S/m的水凝胶。但是基于PEDOT的水凝胶力学性能较差。
以上方法虽然制备了具有良好导电性能的水凝胶,但是制备过程复杂,涉及原料成本较高,制得的凝胶在力学性能以及导电性能方面不能兼顾。
发明内容
本发明的目的就是针对现有技术的不足,提供一种简便、低成本的制备应变感应高强度导电水凝胶。
本发明主要内容是采用甲基丙烯酸羟烷基酯类单体与丙烯酰胺共聚得到绝缘聚合物凝胶网络,再将凝胶网络内的导电聚合物类单体进一步聚合,得到绝缘聚合物网络与导电聚合物网络相互贯穿的双网络水凝胶。导电聚合物在凝胶网络中为刚性链段,绝缘聚合物网络为柔性链段,两者相互贯穿在一起为凝胶提供优异的机械性能。导电聚合物的存在为凝胶提供了联通完整的导电网络,是的凝胶具有较好的导电性。此外导电聚合物网络在应力作用下会首先断裂,使得导电网络受损,导致凝胶导电性能下降,还可以实现凝胶的应变感应。
本发明方法的具体步骤是:
步骤(1).将甲基丙烯酸羟烷基酯类单体、丙烯酰胺以及导电聚合物单体溶于3mol/L盐酸,得到混合液;将适量光引发剂与N,N-亚甲基双丙烯酰胺加入混合液中搅拌10~30分钟,混合均匀得到凝胶预聚液。
预聚液中各物质含量如下:
其余为盐酸
所述的甲基丙烯酸羟烷基酯类单体为甲基丙烯酸羟乙酯、甲基丙烯酸羟丙酯、甲基丙烯酸羟丁酯中的一种或几种;
所述导电聚合物单体为苯胺或吡咯;
所述的光引发剂为Quant acure BTC、Quant acure BPQ、Quant acure ABP、Quantacure QTX、Darocur 2959等水溶性光引发剂中的一种。
步骤(2).将上述凝胶预聚液注入到模具中,采用蓝光或者紫外光固化,5~50W功率下光照60~240秒,得到溶有导电聚合物单体的绝缘凝胶;
步骤(3).将上述凝胶浸泡在1mol/L的过硫酸铵溶液中,氧化聚合2-24h,得到应变感应高强度导电水凝胶。
本发明方法制备的导电水凝胶内导电网络与绝缘网络相互贯穿,既为凝胶提供了优异的机械性能,又实现了良好的导电性。该发明方法工艺简单,原料成本低。
具体实施方式
下面结合具体实施例对本发明做进一步的分析。
对比例1
步骤(1).将甲基丙烯酸羟乙酯、丙烯酰胺溶于3mol/L盐酸,得到混合液;将适量光引发剂与N,N-亚甲基双丙烯酰胺加入混合液中搅拌30分钟,混合均匀得到凝胶预聚液。
预聚液中各物质含量如下
步骤(2).将上述凝胶预聚液注入到模具中,采用紫外光固化,45W功率下光照180秒,得到凝胶;
步骤(3).将上述凝胶浸泡在1mol/L的过硫酸铵溶液中6h,得到凝胶b。
经四探针法测试,该水凝胶导电率为0.001S/m。其断裂应力为0.02MPa,断裂伸长率可达660%,压缩应变为40%时的应力3MPa,且凝胶破裂。进一步实验发现,水凝胶未表现出应变感应特性。
实施例1
步骤(1).将甲基丙烯酸羟乙酯、丙烯酰胺以及苯胺溶于3mol/L盐酸,得到混合液;将适量光引发剂Quant acure BPQ与N,N-亚甲基双丙烯酰胺加入混合液中搅拌30分钟,混合均匀得到凝胶预聚液。
预聚液中各物质含量如下
其余为盐酸溶剂。
步骤(2).将上述凝胶预聚液注入到模具中,采用紫外光固化,45W功率下光照180秒,得到溶有苯胺单体的绝缘凝胶;
步骤(3).将上述凝胶浸泡在1mol/L的过硫酸铵溶液之中,氧化聚合6h,得到凝胶a。
经四探针法测试,该水凝胶导电率达到10.1S/m(接近聚苯胺水凝胶导电率11S/m)。其断裂应力为1.08MPa,断裂伸长率可达620%,压缩应变为98%时的应力高达42MPa,且凝胶仍未破裂。进一步实验发现,水凝胶导电率在应变大于400%时降为0.01S/m,表现出应变感应特性。
实施例2
步骤(1).将甲基丙烯酸羟乙酯、丙烯酰胺以及吡咯溶于3mol/L盐酸,得到混合液;将适量光引发剂与N,N-亚甲基双丙烯酰胺加入混合液中搅拌30分钟,混合均匀得到凝胶预聚液。
预聚液中各物质含量如下
其余为盐酸溶剂。
步骤(2).将上述凝胶预聚液注入到模具中,采用紫外光固化,45W功率下光照180秒,得到溶有吡咯单体的绝缘凝胶;
步骤(3).将上述凝胶浸泡在1mol/L的过硫酸铵溶液之中,氧化聚合6h,得到凝胶c。
经四探针法测试,该水凝胶导电率达到3.2S/m。其断裂应力为0.96MPa,断裂伸长率可达730%,压缩应变为98%时的应力高达25MPa,且凝胶仍未破裂。进一步实验发现,水凝胶导电率在应变大于530%时降为0.01S/m,同样表现出应变感应特性。
实施例3
步骤(1).将甲基丙烯酸羟乙酯、丙烯酰胺以及苯胺溶于3mol/L盐酸,得到混合液;将适量光引发剂与N,N-亚甲基双丙烯酰胺加入混合液中搅拌30分钟,混合均匀得到凝胶预聚液。
预聚液中各物质含量如下
其余为盐酸溶剂。
步骤(2).将上述凝胶预聚液注入到模具中,采用紫外光固化,45W功率下光照180秒,得到溶有苯胺单体的绝缘凝胶;
步骤(3).将上述凝胶浸泡在1mol/L的过硫酸铵溶液之中,氧化聚合6h,得到凝胶d。
经四探针法测试,该水凝胶导电率达到8.1S/m。其断裂应力为0.67MPa,断裂伸长率可达900%,压缩应变为98%时的应力位21MPa,且凝胶仍未破裂。进一步实验发现,水凝胶导电率在应变大于710%时降为0.01S/m,表现出应变感应特性。
实施例4
步骤(1).将甲基丙烯酸羟丁酯、丙烯酰胺以及苯胺溶于3mol/L盐酸,得到混合液;将适量光引发剂与N,N-亚甲基双丙烯酰胺加入混合液中搅拌30分钟,混合均匀得到凝胶预聚液。
预聚液中各物质含量如下
其余为盐酸溶剂。
步骤(2).将上述凝胶预聚液注入到模具中,采用紫外光固化,45W功率下光照180秒,得到溶有苯胺单体的绝缘凝胶;
步骤(3).将上述凝胶浸泡在1mol/L的过硫酸铵溶液之中,氧化聚合6h,得到凝胶e。
经四探针法测试,该水凝胶导电率达到5.6S/m。其断裂应力为0.79MPa,断裂伸长率可达500%,压缩应变为98%时的应力为17MPa,且凝胶仍未破裂。进一步实验发现,水凝胶导电率在应变大于360%时降为0.01S/m,表现出应变感应特性。
实施例5
步骤(1).将甲基丙烯酸羟乙酯、丙烯酰胺以及苯胺溶于3mol/L盐酸,得到混合液;将适量光引发剂与N,N-亚甲基双丙烯酰胺加入混合液中搅拌30分钟,混合均匀得到凝胶预聚液。
预聚液中各物质含量如下
其余为盐酸溶剂。
步骤(2).将上述凝胶预聚液注入到模具中,采用紫外光固化,45W功率下光照240秒,得到溶有苯胺单体的绝缘凝胶;
步骤(3).将上述凝胶浸泡在1mol/L的过硫酸铵溶液之中,氧化聚合6h,得到凝胶e。
经四探针法测试,该水凝胶导电率达到10.4S/m。其断裂应力为1.02MPa,断裂伸长率可达680%,压缩应变为98%时的应力为38MPa,且凝胶仍未破裂。进一步实验发现,水凝胶导电率在应变大于460%时降为0.01S/m,表现出应变感应特性。
实施例6
步骤(1).将甲基丙烯酸羟乙酯、甲基丙烯酸羟丙酯、丙烯酰胺以及苯胺溶于3mol/L盐酸,得到混合液;将适量光引发剂与N,N-亚甲基双丙烯酰胺加入混合液中搅拌30分钟,混合均匀得到凝胶预聚液。
预聚液中各物质含量如下
其余为盐酸溶剂。
步骤(2).将上述凝胶预聚液注入到模具中,采用紫外光固化,45W功率下光照180秒,得到溶有苯胺单体的绝缘凝胶;
步骤(3).将上述凝胶浸泡在1mol/L的过硫酸铵溶液之中,氧化聚合6h,得到凝胶f。
经四探针法测试,该水凝胶导电率达到8.3S/m。其断裂应力为0.91MPa,断裂伸长率可达580%,压缩应变为98%时的应力达22MPa,且凝胶仍未破裂。进一步实验发现,水凝胶导电率在应变大于390%时降为0.01S/m,表现出应变感应特性。
实施例7
步骤(1).将甲基丙烯酸羟丁酯、丙烯酰胺以及苯胺溶于3mol/L盐酸,得到混合液;将适量光引发剂与N,N-亚甲基双丙烯酰胺加入混合液中搅拌10分钟,混合均匀得到凝胶预聚液。
预聚液中各物质含量如下
其余为盐酸溶剂。
步骤(2).将上述凝胶预聚液注入到模具中,采用紫外光固化,5W功率下光照240秒,得到溶有苯胺单体的绝缘凝胶;
步骤(3).将上述凝胶浸泡在1mol/L的过硫酸铵溶液之中,氧化聚合24h,得到凝胶。
经四探针法测试,该水凝胶导电率达到7.6S/m。其断裂应力为0.86MPa,断裂伸长率可达610%,压缩应变为98%时的应力达24MPa,且凝胶仍未破裂。进一步实验发现,水凝胶导电率在应变大于480%时降为0.01S/m,表现出应变感应特性。
实施例8
步骤(1).将甲基丙烯酸羟丙酯、丙烯酰胺以及苯胺溶于3mol/L盐酸,得到混合液;将适量光引发剂与N,N-亚甲基双丙烯酰胺加入混合液中搅拌10分钟,混合均匀得到凝胶预聚液。
预聚液中各物质含量如下:
其余为盐酸溶剂;
步骤(2).将上述凝胶预聚液注入到模具中,采用紫外光固化,50W功率下光照60秒,得到溶有苯胺单体的绝缘凝胶;
步骤(3).将上述凝胶浸泡在1mol/L的过硫酸铵溶液之中,氧化聚合2h,得到凝胶。
经四探针法测试,该水凝胶导电率达到8.3S/m。其断裂应力为1.02MPa,断裂伸长率可达330%,压缩应变为80%时的应力达30MPa,且凝胶仍未破裂。进一步实验发现,水凝胶导电率在应变大于290%时降为0.01S/m,表现出应变感应特性。
Claims (4)
1.一种应变感应高强度导电水凝胶,其特征在于采用甲基丙烯酸羟烷基酯类单体与丙烯酰胺共聚得到绝缘聚合物凝胶网络,再将凝胶网络内的导电聚合物类单体进一步聚合,得到绝缘聚合物网络与导电聚合物网络相互贯穿的双网络水凝胶;其中导电聚合物在凝胶网络中为刚性链段,绝缘聚合物凝胶网络为柔性链段,两者相互贯穿;
上述水凝胶采用以下制备方法:
步骤(1)、将甲基丙烯酸羟烷基酯类单体、丙烯酰胺以及导电聚合物单体溶于3mol/L盐酸,得到混合液;将适量光引发剂与N,N-亚甲基双丙烯酰胺加入混合液中搅拌10~30分钟,混合均匀得到凝胶预聚液;
预聚液中各物质含量如下:
步骤(2)、将上述凝胶预聚液注入到模具中,采用蓝光或者紫外光固化,5~50W功率下光照60~240秒,得到溶有导电聚合物单体的绝缘凝胶;
步骤(3)、将上述凝胶浸泡在1mol/L的过硫酸铵溶液中,氧化聚合2-24h,得到应变感应高强度导电水凝胶。
2.如权利要求1所述的一种应变感应高强度导电水凝胶,其特征在于所述的甲基丙烯酸羟烷基酯类单体为甲基丙烯酸羟乙酯、甲基丙烯酸羟丙酯、甲基丙烯酸羟丁酯中的一种或几种。
3.如权利要求1所述的一种应变感应高强度导电水凝胶,其特征在于所述导电聚合物单体为苯胺或吡咯。
4.如权利要求1所述的一种应变感应高强度导电水凝胶,其特征在于所述的光引发剂为Quant acure BTC、Quant acure BPQ、Quant acure ABP、Quant acure QTX、Darocur2959等水溶性光引发剂中的一种。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711063213.9A CN108794767B (zh) | 2017-11-02 | 2017-11-02 | 一种应变感应高强度导电水凝胶 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711063213.9A CN108794767B (zh) | 2017-11-02 | 2017-11-02 | 一种应变感应高强度导电水凝胶 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108794767A true CN108794767A (zh) | 2018-11-13 |
CN108794767B CN108794767B (zh) | 2021-01-19 |
Family
ID=64095011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711063213.9A Active CN108794767B (zh) | 2017-11-02 | 2017-11-02 | 一种应变感应高强度导电水凝胶 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108794767B (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109749441A (zh) * | 2018-12-29 | 2019-05-14 | 西安交通大学 | 一种基于一维纳米聚吡咯的导电水凝胶的制备方法 |
CN109898176A (zh) * | 2019-02-01 | 2019-06-18 | 东华大学 | 一种柔性可拉伸水凝胶光导纤维传感器及其制备和应用 |
CN110591122A (zh) * | 2019-10-30 | 2019-12-20 | 四川轻化工大学 | 一种抗静电自恢复三重互穿网络硅水凝胶及其制备方法 |
CN110587662A (zh) * | 2019-10-07 | 2019-12-20 | 华东交通大学 | 一种多功能聚合物机器人皮肤及其制备方法 |
CN111154120A (zh) * | 2020-01-15 | 2020-05-15 | 西安工程大学 | 一种基于反应型胶束的导电水凝胶及其制备方法和应用 |
CN111434698A (zh) * | 2019-01-14 | 2020-07-21 | 中国科学院宁波材料技术与工程研究所 | 一种3d打印水凝胶的制备方法及制备的水凝胶应用 |
CN111686298A (zh) * | 2020-07-31 | 2020-09-22 | 上海第二工业大学 | 一种用于促进骨愈合的组织工程凝胶支架及其制备方法 |
CN113461971A (zh) * | 2021-06-28 | 2021-10-01 | 广州大学 | 一种导电水凝胶及其制备方法和应用 |
CN114605712A (zh) * | 2020-12-09 | 2022-06-10 | 中国科学院宁波材料技术与工程研究所慈溪生物医学工程研究所 | 预聚液、生物相容性导电水凝胶及其制备方法 |
Citations (2)
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 |
US20130137054A1 (en) * | 2011-11-30 | 2013-05-30 | Wisconsin Alumni Research Foundation | Infrared light- and thermal-responsive graphene oxide hydrogel polymer composites |
-
2017
- 2017-11-02 CN CN201711063213.9A patent/CN108794767B/zh active Active
Patent Citations (2)
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 |
US20130137054A1 (en) * | 2011-11-30 | 2013-05-30 | Wisconsin Alumni Research Foundation | Infrared light- and thermal-responsive graphene oxide hydrogel polymer composites |
Non-Patent Citations (1)
Title |
---|
朱安峰: "基于丙烯酰胺类新型纳米复合凝胶的制备与表征", 《中国博士学位论文全文数据库(工程科技Ⅰ辑)》 * |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109749441B (zh) * | 2018-12-29 | 2020-05-15 | 西安交通大学 | 一种基于一维纳米聚吡咯的导电水凝胶的制备方法 |
CN109749441A (zh) * | 2018-12-29 | 2019-05-14 | 西安交通大学 | 一种基于一维纳米聚吡咯的导电水凝胶的制备方法 |
CN111434698A (zh) * | 2019-01-14 | 2020-07-21 | 中国科学院宁波材料技术与工程研究所 | 一种3d打印水凝胶的制备方法及制备的水凝胶应用 |
CN109898176A (zh) * | 2019-02-01 | 2019-06-18 | 东华大学 | 一种柔性可拉伸水凝胶光导纤维传感器及其制备和应用 |
CN110587662A (zh) * | 2019-10-07 | 2019-12-20 | 华东交通大学 | 一种多功能聚合物机器人皮肤及其制备方法 |
CN110587662B (zh) * | 2019-10-07 | 2022-07-08 | 华东交通大学 | 一种多功能聚合物机器人皮肤及其制备方法 |
CN110591122A (zh) * | 2019-10-30 | 2019-12-20 | 四川轻化工大学 | 一种抗静电自恢复三重互穿网络硅水凝胶及其制备方法 |
CN110591122B (zh) * | 2019-10-30 | 2022-04-15 | 四川轻化工大学 | 一种抗静电自恢复三重互穿网络硅水凝胶及其制备方法 |
CN111154120A (zh) * | 2020-01-15 | 2020-05-15 | 西安工程大学 | 一种基于反应型胶束的导电水凝胶及其制备方法和应用 |
CN111686298A (zh) * | 2020-07-31 | 2020-09-22 | 上海第二工业大学 | 一种用于促进骨愈合的组织工程凝胶支架及其制备方法 |
CN114605712A (zh) * | 2020-12-09 | 2022-06-10 | 中国科学院宁波材料技术与工程研究所慈溪生物医学工程研究所 | 预聚液、生物相容性导电水凝胶及其制备方法 |
CN114605712B (zh) * | 2020-12-09 | 2024-01-19 | 中国科学院宁波材料技术与工程研究所慈溪生物医学工程研究所 | 预聚液、生物相容性导电水凝胶及其制备方法 |
CN113461971A (zh) * | 2021-06-28 | 2021-10-01 | 广州大学 | 一种导电水凝胶及其制备方法和应用 |
CN113461971B (zh) * | 2021-06-28 | 2023-12-26 | 广州大学 | 一种导电水凝胶及其制备方法和应用 |
Also Published As
Publication number | Publication date |
---|---|
CN108794767B (zh) | 2021-01-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108794767A (zh) | 一种应变感应高强度导电水凝胶 | |
CN105175755B (zh) | 一种高强度高拉伸双网络物理交联水凝胶及其制备方法 | |
CN111253520B (zh) | 自修复材料用可聚合低共熔溶剂、导电弹性体及制备方法 | |
CN106279542B (zh) | 一种基于木聚糖的双网络纳米复合水凝胶及其制备与应用 | |
CN109320673B (zh) | 一种自修复柔性水凝胶电敏材料及其制备方法和应用 | |
CN109503768B (zh) | 一种高强韧粘性耐候聚乙烯醇基双网络水凝胶的制备方法 | |
CN106496438B (zh) | 一种酰胺化氧化石墨烯改性聚羧酸减水剂及其制备方法 | |
CN102580633B (zh) | 一种氧化石墨烯/聚(n-异丙基丙烯酰胺)复合水凝胶的制备方法 | |
CN110256694A (zh) | 一种可拉伸透明导电水凝胶及其制备方法 | |
CN103408777B (zh) | 一种有机凝胶的制备方法 | |
CN102675549B (zh) | 高分子微凝胶复合结构的高强度水凝胶制备方法 | |
CN105461945A (zh) | 一种离子共价双网络水凝胶及其制备方法 | |
CN103435951A (zh) | 一种纳米复合高分子双网络水凝胶及其制备方法 | |
CN103509159A (zh) | 低凝胶率溶聚丁苯橡胶的接枝改性方法 | |
CN109400779A (zh) | 一种酚羟基自聚合水凝胶的制备方法 | |
CN110305267A (zh) | 一种基于嵌段共聚物的高强度响应型水凝胶及其制备方法 | |
CN110551296A (zh) | 一种果胶基双物理交联水凝胶及制备方法和应用 | |
CN104341556A (zh) | 一种高强度双网络纳米锂皂石复合水凝胶的制备方法 | |
CN105061808A (zh) | 一种橡胶防老剂的制备方法 | |
CN107840926A (zh) | 一种快速响应的高强度聚(n‑异丙基丙烯酰胺)水凝胶的制备方法 | |
CN105131207B (zh) | 一种具有双重响应性的核晕/核壳晕结构的荧光微凝胶及其制备方法 | |
CN104693360A (zh) | 一种高强度水凝胶的制备方法 | |
CN105295078A (zh) | 一种双网络多功能凝胶及其制备方法 | |
CN110591121A (zh) | 一种全物理交联三重互穿网络水凝胶的制备方法 | |
CN104177541A (zh) | 具有荧光示踪性能的碳点/聚丙烯酰胺软骨替代材料的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |