CN115340635A - 一种多功能光电双信号传感仿生离子皮肤的制备方法 - Google Patents
一种多功能光电双信号传感仿生离子皮肤的制备方法 Download PDFInfo
- Publication number
- CN115340635A CN115340635A CN202110527223.3A CN202110527223A CN115340635A CN 115340635 A CN115340635 A CN 115340635A CN 202110527223 A CN202110527223 A CN 202110527223A CN 115340635 A CN115340635 A CN 115340635A
- Authority
- CN
- China
- Prior art keywords
- signal sensing
- skin
- bionic
- liquid crystal
- cellulose
- 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.)
- Pending
Links
- 239000011664 nicotinic acid Substances 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims abstract description 31
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims abstract description 26
- 229920002678 cellulose Polymers 0.000 claims abstract description 23
- 239000001913 cellulose Substances 0.000 claims abstract description 23
- 150000002500 ions Chemical class 0.000 claims abstract description 21
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 claims abstract description 18
- 238000001338 self-assembly Methods 0.000 claims abstract description 15
- 239000011592 zinc chloride Substances 0.000 claims abstract description 13
- 235000005074 zinc chloride Nutrition 0.000 claims abstract description 13
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 12
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000178 monomer Substances 0.000 claims abstract description 12
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 11
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 10
- 239000000017 hydrogel Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 33
- 238000003756 stirring Methods 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 13
- 239000008367 deionised water Substances 0.000 claims description 13
- 229910021641 deionized water Inorganic materials 0.000 claims description 13
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 13
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims description 13
- XMLYCEVDHLAQEL-UHFFFAOYSA-N 2-hydroxy-2-methyl-1-phenylpropan-1-one Chemical compound CC(C)(O)C(=O)C1=CC=CC=C1 XMLYCEVDHLAQEL-UHFFFAOYSA-N 0.000 claims description 9
- VYFYYTLLBUKUHU-UHFFFAOYSA-N dopamine Chemical compound NCCC1=CC=C(O)C(O)=C1 VYFYYTLLBUKUHU-UHFFFAOYSA-N 0.000 claims description 8
- -1 polytetrafluoroethylene Polymers 0.000 claims description 8
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 7
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 6
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 6
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 6
- QNILTEGFHQSKFF-UHFFFAOYSA-N n-propan-2-ylprop-2-enamide Chemical compound CC(C)NC(=O)C=C QNILTEGFHQSKFF-UHFFFAOYSA-N 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 230000003098 cholesteric effect Effects 0.000 claims description 4
- 229960003638 dopamine Drugs 0.000 claims description 4
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 239000003999 initiator Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 21
- 238000007710 freezing Methods 0.000 abstract description 14
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 9
- 241000894006 Bacteria Species 0.000 abstract description 6
- 230000000977 initiatory effect Effects 0.000 abstract description 6
- 230000003287 optical effect Effects 0.000 abstract description 5
- 239000007864 aqueous solution Substances 0.000 abstract description 4
- 210000002421 cell wall Anatomy 0.000 abstract description 4
- 230000008014 freezing Effects 0.000 abstract description 4
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 4
- 239000001257 hydrogen Substances 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 24
- 230000002195 synergetic effect Effects 0.000 description 3
- 241000122205 Chamaeleonidae Species 0.000 description 2
- 230000003115 biocidal effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- UYTPUPDQBNUYGX-UHFFFAOYSA-N guanine Chemical compound O=C1NC(N)=NC2=C1N=CN2 UYTPUPDQBNUYGX-UHFFFAOYSA-N 0.000 description 2
- 238000009775 high-speed stirring Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013079 data visualisation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 229920006158 high molecular weight polymer Polymers 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002159 nanocrystal Substances 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- 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
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
- C08F251/02—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof on to cellulose or derivatives thereof
-
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
- C08K2003/164—Aluminum halide, e.g. aluminium chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
- C08K2003/168—Zinc halides
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
本发明公开了一种多功能光电双信号传感仿生离子皮肤的制备方法。所述方法为:将特定胆甾相液晶纤维素和氯化铝或氯化锌加入到含有丙烯酸等单体的水溶液中,经静置自组装、紫外光辐照引发聚合形成水凝胶,得到上述仿生离子皮肤。其中,特定纤维素分子通过自组装形成胆甾相液晶提供光信号传感;氯化铝等所含的金属离子赋予电信号传感;同时两者协同可以破坏细菌的细胞壁结构,赋予材料抗菌功能;通过金属离子与羧酸根形成的金属配位键,加上纤维素分子之间的氢键,共同赋予自修复功能,并降低材料的凝固点,赋予防冻功能。本发明提供的方法简单、高效,所制备的材料同时具有光电双信号传感及上述多种功能,可应用于智能穿戴及仿生传感器等领域。
Description
技术领域
本发明涉及一种智能仿生皮肤的制备方法,特别是多功能光电双信号传感仿生离子皮肤的制备方法,属于智能穿戴及仿生传感器等领域。
背景技术
皮肤作为生物体与外界交互的重要器官,它能够感知各种外界刺激,如压力、拉伸、温度和湿度等变化。更有趣的是,自然界中的变色龙等生物可以通过控制皮肤表面周期性鸟嘌呤纳米晶体结构色来改变皮肤颜色(Nature Communications, 2015, 6:6368),以达到伪装、求偶和警示天敌等目的。受生物皮肤的启发,人们开发了具有可视化功能的光电双信号传感仿生离子皮肤,有效地解决了传统仿生离子皮肤传感模式单一、缺乏数据可视化的问题,在智能穿戴及仿生材料领域展现出了巨大的应用前景(Proceedings of theNational Academy of Sciences, 2020, 117(31): 202007032)。然而,目前所报道的光电双信号传感的仿生离子皮肤其制备工艺复杂且功能较少,这在很大程度上限制了它在很多领域的实际应用和发展(ACS Nano, 2021, 15(2): 3509-3521)。
由于仿生离子皮肤主要被应用于智能穿戴领域,这不仅需要它能够实时准确的传感监测,而且要适应各种复杂的环境。如仿生离子皮肤直接和人体接触,长期使用后在贴合界面容易滋生细菌,引发人体炎症反应甚至重大疾病,这就需要材料具有抗菌功能(Chemical Engineering Journal, 2021(10): 128470);材料在长期外力作用下易老化断裂,极大的降低了它的使用寿命;如果材料具有自修复功能,就可以大幅度的延长其使用时间,减少电子垃圾对环境的污染(Nature electronics, 2019, 2: 75-82);冬季穿戴时由于气温较低,会导致材料冻结失效,这就需要防冻功能,以满足材料在恶劣环境下能够正常使用(ACS Applied Materials & Interfaces, 2019, 11(44): 41710-41716)。
上述这些抗菌、自修复和防冻功能同时也在生物体皮肤中完美呈现,如通过释放分泌物杀死入侵细菌、自动愈合伤口和抵御寒冷环境。然而,目前尚未有研究将这些实用功能合理地引入到光电双信号传感仿生离子皮肤中,以满足日益复杂的穿戴环境需求。因此,如何简单、高效地制备出同时具有抗菌、自修复和防冻功能的光电双信号传感仿生离子皮肤成为当下最为核心的问题,然而目前尚未有相关研究见诸报道。
羟丙基纤维素(HPC)及其衍生物是一类优异的天然高分子材料,其价格低廉、生物相容性好,可形成鲜艳的结构色,有望成为仿生离子皮肤中提供光信号传感的理想物质(Nature Communications, 2018, 9: 4632)。当HPC等高分子达到一定浓度时,可以自组装形成具有周期性螺旋结构的胆甾相液晶。通过外部环境刺激可以改变胆甾相液晶的螺距,从而调控可见光在其中的传播,带来鲜艳的结构色变化,如同变色龙等生物体皮肤一样传递鲜艳的视觉信息。
本发明将特定胆甾相液晶纤维素和氯化铝或氯化锌加入到含有丙烯酸等单体的水溶液中,经静置自组装、紫外光辐照引发聚合形成水凝胶,快速、高效地制得了一种同时具有抗菌、自愈和防冻功能的光电双信号传感仿生离子皮肤。本发明所制备的多功能光电双信号传感仿生离子皮肤通过特定纤维素分子自组装形成胆甾相液晶提供光信号传感。氯化铝等所含的金属离子具有优异的导电性能,赋予电信号传感。同时两者协同作用,可以破坏细菌的细胞壁结构,赋予材料抗菌功能。通过金属离子与羧酸根形成的金属配位键,加上纤维素分子之间的氢键,共同赋予自修复功能,并降低材料的凝固点,赋予防冻功能。本发明所述的仿生离子皮肤制备工艺简单、组分较少且组分之间协同性强,具有光电双信号传感及抗菌、自修复和防冻功能,能够满足多种应用场合需求,可应用于智能穿戴及仿生传感器等众多领域。
发明内容
本发明涉及一种多功能光电双信号传感仿生离子皮肤的制备方法,系将特定胆甾相液晶纤维素和氯化铝或氯化锌加入到含有丙烯酸等单体的水溶液中,经静置自组装、紫外光辐照引发聚合形成水凝胶而得。
本发明所提供的多功能光电双信号传感仿生离子皮肤的特征在于:
1、本发明所述的多功能光电双信号传感仿生离子皮肤通过特定纤维素分子自组装形成胆甾相液晶提供光信号传感。氯化铝等所含的金属离子具有优异的导电性能,赋予电信号传感。
2、本发明所述的多功能光电双信号传感仿生离子皮肤,其体系中的胆甾相液晶纤维素和金属离子协同作用,可以破坏细菌的细胞壁结构,赋予材料抗菌功能。通过金属离子与羧酸根形成的金属配位键,加上纤维素分子之间的氢键,共同赋予自修复功能,并降低材料的凝固点,赋予防冻功能。
本发明的目的是通过下述技术方案所实现的:
本发明所述的多功能光电双信号传感仿生离子皮肤的制备方法,是将特定胆甾相液晶纤维素和氯化铝或氯化锌加入到含有丙烯酸等单体的水溶液中,经静置自组装、紫外光辐照引发聚合成水凝胶而得;其中,各原料组分的质量配比如下:
水溶性单体 5~20
氢氧化钠 0.1~1.5
氯化铝或氯化锌 0.1~5
胆甾相液晶纤维素 50~70
ɑ-羟基异丁酰苯 0.01~0.1
去离子水 15~44.8
这种多功能光电双信号传感仿生离子皮肤是通过以下特定方法制备的:
(1) 在烧杯中分别称取水溶性单体、氢氧化钠、氯化铝或氯化锌和去离子水,搅拌使其充分溶解;
(2) 将上述溶液移至装有聚四氟乙烯搅拌杆的圆底烧瓶内,逐步加入胆甾相液晶纤维素,并维持转速在300~600r/min,室温搅拌6~12h使其充分溶解;
(3) 加入ɑ-羟基异丁酰苯作为紫外光引发剂,在室温避光条件下继续搅拌4~10h,得到该仿生离子皮肤的前聚体溶液;
(4) 将上述前聚体溶液在8000~12000r/min高速离心机上离心消泡30~90min;
(5) 将无气泡的前聚体溶液倒入平板模具中,静置自组装2~8h后,经紫外光辐照聚合15~60min,即制得该多功能光电双信号传感仿生离子皮肤。
其中多功能光电双信号传感仿生离子皮肤的制备方法,其特征在于:所用的水溶性单体为丙烯酸、3-甲基丙烯酰多巴胺、丙烯酰胺和异丙基丙烯酰胺等中的一种或多种;所用的胆甾相液晶纤维素为羟丙基纤维素、羟乙基纤维素及其它衍生物中的一种或多种。
本发明的优点在于:本发明所合成的多功能光电双信号传感仿生离子皮肤通过将胆甾相液晶纤维素和氯化铝或氯化锌引入到水凝胶体系中,依靠组分间协同作用,从而简单、高效地实现仿生离子皮肤光电双信号传感及抗菌、自修复和防冻功能。其中,特定纤维素分子通过自组装形成胆甾相液晶提供光信号传感。氯化铝等所含的金属离子具有优异的导电性能,赋予电信号传感。同时两者协同可以破坏细菌的细胞壁结构,赋予材料抗菌功能。通过金属离子与羧酸根形成的金属配位键,加上纤维素分子之间的氢键,赋予自修复功能,并降低材料的凝固点,赋予防冻功能。本发明制备出的多功能光电双信号传感仿生离子皮肤制备工艺简单、组分较少且组分之间协同性强,可以快速、高效地实现光电双信号传感及抗菌、自修复和防冻功能,能够满足多种应用场合需求,可应用于智能穿戴及仿生传感器等众多领域。
具体实施方式
实施例一:在烧杯中称取10g丙烯酸(AAc)、5g丙烯酰胺(AAm)、1g氢氧化钠、4g三氯化铝和23g去离子水,搅拌使其充分溶解;将上述溶液移至装有聚四氟乙烯搅拌杆的圆底烧瓶内,逐渐加入56g羟丙基纤维素(HPC),并维持转速400r/min,室温搅拌8h使其充分溶解;然后加入0.05g ɑ-羟基异丁酰苯,在室温避光条件下继续搅拌6h,制得该仿生离子皮肤的前聚体溶液;将上述前聚体溶液在8000r/min高速离心机上离心消泡30min;最后将无气泡的前聚体溶液倒入平板模具中,静置自组装4h后,经紫外光辐照引发聚合30min,即制得该多功能光电双信号传感仿生离子皮肤。
实施例二:在烧杯中称取15g丙烯酸、0.5g氢氧化钠、2g氯化锌和26.5g去离子水,搅拌使其充分溶解;将上述溶液移至装有聚四氟乙烯搅拌杆的圆底烧瓶内,逐步加入55g羟丙基纤维素,并维持转速500r/min,室温搅拌10h使其充分溶解;然后加入0.08g ɑ-羟基异丁酰苯,在室温避光条件下继续搅拌8h,制得该仿生离子皮肤的前聚体溶液;将上述前聚体溶液在10000r/min高速离心机上离心消泡60min;最后将无气泡的前聚体溶液倒入平板模具中,静置自组装8h后,经紫外光辐照引发聚合60min,即制得该多功能光电双信号传感仿生离子皮肤。
实施例三:在烧杯中称取6g 3-甲基丙烯酰多巴胺、9g异丙基丙烯酰胺、0.1g氢氧化钠、2g三氯化铝和22.4g去离子水,搅拌使其充分溶解;将上述溶液移至装有聚四氟乙烯搅拌杆的圆底烧瓶内,逐步加入60g羟丙基纤维素,并维持转速600r/min,室温搅拌12h使其充分溶解;然后加入0.01g ɑ-羟基异丁酰苯,在室温避光条件下继续搅拌8h,制得该仿生离子皮肤的前聚体溶液;将上述前聚体溶液在10000r/min高速离心机上离心消泡60min;最后将无气泡的前聚体溶液倒入平板模具中,静置自组装6h后,经紫外光辐照引发聚合90min,即制得该多功能光电双信号传感仿生离子皮肤。
实施例四:在烧杯中称取10g丙烯酸、3g丙烯酰胺、0.1g氢氧化钠、2g氯化锌和25.9g去离子水,搅拌使其充分溶解;将上述溶液移至装有高速搅拌装置的圆底烧瓶内,逐步加入58g羟乙基纤维素,维持转速600r/min,室温搅拌4h使其充分溶解;然后加入0.05gɑ-羟基异丁酰苯,在室温避光条件下继续搅拌10h,制得该仿生离子皮肤的前聚体溶液;将上述前聚体溶液在12000r/min高速离心机上离心消泡60min;最后将无气泡的前聚体溶液倒入平板模具中,静置自组装4h后,经紫外光辐照引发聚合90min,即制得该多功能光电双信号传感仿生离子皮肤。
实施例五:在烧杯中称取8g异丙基丙烯酰胺、10g丙烯酰胺、0.1g氢氧化钠、5g三氯化铝和21.7g去离子水,搅拌使其充分溶解;将上述溶液移至装有高速搅拌装置的圆底烧瓶内,逐步加入35g羟丙基纤维素和20g羟乙基纤维素,维持转速在300r/min,室温搅拌10h使其充分溶解;然后加入0.06g ɑ-羟基异丁酰苯,在室温避光条件下继续搅拌8h,制得该仿生离子皮肤的前聚体溶液;将上述前聚体溶液在12000r/min高速离心机上离心消泡60min;最后将无气泡的前聚体溶液倒入平板模具中,静置自组装5h后,经紫外光辐照引发聚合20min,即制得该多功能光电双信号传感仿生离子皮肤。
Claims (2)
1. 本发明涉及一种多功能光电双信号传感仿生离子皮肤的制备方法,其特征在于该多功能光电双信号传感仿生离子皮肤是由特定胆甾相液晶纤维素和含有金属离子的水凝胶组成,其原料组分的质量配比如下:
水溶性单体 5~20
氢氧化钠 0.1~1.5
氯化铝或氯化锌 0.1~5
胆甾相液晶纤维素 50~70
ɑ-羟基异丁酰苯 0.01~0.1
去离子水 15~44.8
这种多功能光电双信号传感仿生离子皮肤是通过以下特定方法制备的:
在烧杯中分别称取水溶性单体、氢氧化钠、氯化铝或氯化锌和去离子水,搅拌使其充分溶解;
将上述溶液移至装有聚四氟乙烯搅拌杆的圆底烧瓶内,逐步加入胆甾相液晶纤维素,并维持转速在300~600r/min,室温搅拌6~12h使其充分溶解;
加入ɑ-羟基异丁酰苯作为紫外光引发剂,在室温避光条件下继续搅拌4~10h,得到该仿生离子皮肤的前聚体溶液;
将上述前聚体溶液在8000~12000r/min高速离心机上离心消泡30~90min;
将无气泡的前聚体溶液倒入平板模具中,静置自组装2~8h后,经紫外光辐照聚合15~60min,即制得该多功能光电双信号传感仿生离子皮肤。
2.根据权利要求1所述的多功能光电双信号传感仿生离子皮肤的制备方法,其特征在于:所用的水溶性单体为丙烯酸、3-甲基丙烯酰多巴胺、丙烯酰胺和异丙基丙烯酰胺等中的一种或多种;所用的胆甾相液晶纤维素为羟丙基纤维素、羟乙基纤维素及其它衍生物中的一种或多种。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110527223.3A CN115340635A (zh) | 2021-05-14 | 2021-05-14 | 一种多功能光电双信号传感仿生离子皮肤的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110527223.3A CN115340635A (zh) | 2021-05-14 | 2021-05-14 | 一种多功能光电双信号传感仿生离子皮肤的制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN115340635A true CN115340635A (zh) | 2022-11-15 |
Family
ID=83946902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110527223.3A Pending CN115340635A (zh) | 2021-05-14 | 2021-05-14 | 一种多功能光电双信号传感仿生离子皮肤的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115340635A (zh) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107200799A (zh) * | 2017-04-28 | 2017-09-26 | 东南大学 | 金属离子配位天然高分子/聚丙烯酸自修复凝胶制备方法 |
CN112608508A (zh) * | 2020-12-14 | 2021-04-06 | 南京柔速科技有限公司 | 一种抗冻自修复导电水凝胶及其制备方法、柔性传感器 |
-
2021
- 2021-05-14 CN CN202110527223.3A patent/CN115340635A/zh active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107200799A (zh) * | 2017-04-28 | 2017-09-26 | 东南大学 | 金属离子配位天然高分子/聚丙烯酸自修复凝胶制备方法 |
CN112608508A (zh) * | 2020-12-14 | 2021-04-06 | 南京柔速科技有限公司 | 一种抗冻自修复导电水凝胶及其制备方法、柔性传感器 |
Non-Patent Citations (2)
Title |
---|
ZHEN CHEN等: "Multiple-Stimuli-Responsive and Cellulose Conductive Ionic Hydrogel for Smart Wearable Devices and Thermal Actuators", 《APPLIED MATERIALS & INTERFACES》, vol. 13, pages 1353 - 1366 * |
ZHUOHAO ZHANG等: "Bioinspired conductive cellulose liquid-crystal hydrogels as multifunctional electrical skins", 《PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA》, vol. 117, no. 31, pages 18310 - 18316 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Zhu et al. | Recent advances in conductive hydrogels: classifications, properties, and applications | |
Fan et al. | Mussel-induced nano-silver antibacterial, self-healing, self-adhesive, anti-freezing, and moisturizing dual-network organohydrogel based on SA-PBA/PVA/CNTs as flexible wearable strain sensors | |
Dong et al. | Smart wound dressings for wound healing | |
He et al. | Photothermal antibacterial antioxidant conductive self-healing hydrogel with nitric oxide release accelerates diabetic wound healing | |
Ye et al. | Advances in hydrogels based on dynamic covalent bonding and prospects for its biomedical application | |
CN108912352A (zh) | 一种抗菌粘附可注射水凝胶敷料及其制备方法和应用 | |
Liu et al. | A review on preparations, properties, and applications of cis-ortho-hydroxyl polysaccharides hydrogels crosslinked with borax | |
CN108210940A (zh) | 医用导电水凝胶及其制备方法与应用 | |
CN110128596A (zh) | 一种高透明可拉伸自愈合离子导电纳米复合水凝胶及其制备方法 | |
US20230255546A1 (en) | Preparation of nano silver/dual modified chitosan antibacterial hydrogel dressing with discoloration effect for wound infection judgement and hydrogel dressing prepared by the same | |
Dong et al. | Ultrastretchable, repairable and highly sensitive xanthan collagen nanosilver hydrogel for wide temperature flexible sensing | |
Zong et al. | Mussel inspired Cu-tannic autocatalytic strategy for rapid self-polymerization of conductive and adhesive hydrogel sensors with extreme environmental tolerance | |
CN110067042A (zh) | 一种魔芋葡甘聚糖基抗菌水凝胶纤维及其制备方法 | |
CN109568004A (zh) | 一种医用冷敷贴及其制备方法 | |
Hu et al. | Real-time monitoring flexible hydrogels based on dual physically cross-linked network for promoting wound healing | |
CN113201097B (zh) | 一种智能型导电抗菌水凝胶及其制备方法 | |
CN109776819A (zh) | 一种白芨多糖-羧甲基壳聚糖复合水凝胶及其制备 | |
CN1640901A (zh) | 一种树脂型保水剂的制备方法 | |
Hou et al. | Co-assembling of natural drug-food homologous molecule into composite hydrogel for accelerating diabetic wound healing | |
Yang et al. | Integrated photo-inspired antibacterial polyvinyl alcohol/carboxymethyl cellulose hydrogel dressings for pH real-time monitoring and accelerated wound healing | |
CN115340635A (zh) | 一种多功能光电双信号传感仿生离子皮肤的制备方法 | |
Chen et al. | An overview of conductive composite hydrogels for flexible electronic devices | |
Liang et al. | Indirect method for preparing dual crosslinked eutectogels with high strength, stretchability, conductivity and rapid self-recovery capability as flexible and freeze-resistant strain sensors | |
Liu et al. | Ultra-flexible, transparent, adhesive, healable, freezing-tolerant and long-term stable cryogels for wearable sensors | |
Pu et al. | Skin-like hydrogels: design strategy and mechanism, properties, and sensing applications |
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 |