Article(id=1297161226996437042, tenantId=1146029695717560320, journalId=1296125381406982186, issueId=1297161216049308076, articleNumber=null, orderNo=null, doi=10.13550/j.jxhg.20250213, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1743091200000, receivedDateStr=2025-03-28, revisedDate=null, revisedDateStr=null, acceptedDate=1744905600000, acceptedDateStr=2025-04-18, onlineDate=1787196936606, onlineDateStr=2026-08-20, pubDate=1778774400000, pubDateStr=2026-05-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1787196936606, onlineIssueDateStr=2026-08-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1787196936606, creator=13701087609, updateTime=1787196936606, updator=13701087609, issue=Issue{id=1297161216049308076, tenantId=1146029695717560320, journalId=1296125381406982186, year='2026', volume='43', issue='5', pageStart='929', pageEnd='1184', issueExtLink='null', onlineDate='null', pubDate='1778774400000', pubDateStr='2026-05-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1787196933996, creator='13701087609', updateTime=1787202244949, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1297183491922354645, tenantId=1146029695717560320, journalId=1296125381406982186, issueId=1297161216049308076, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1297183491922354646, tenantId=1146029695717560320, journalId=1296125381406982186, issueId=1297161216049308076, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1047, endPage=1056, ext={EN=ArticleExt(id=1297161227201957939, articleId=1297161226996437042, tenantId=1146029695717560320, journalId=1296125381406982186, language=EN, title=Preparation and properties of cellulose nanocrystals-based piezoelectric hydrogel, columnId=null, journalTitle=Fine Chemicals, columnName=null, runingTitle=null, highlight=null, articleAbstract=

To fabricate an ion piezoelectric self-powered flexible strain sensor with good mechanical properties, and stable output through a simple preparation process, a polyvinyl alcohol (PVA)/p(acryloyloxyethyl trimethyl ammonium chloride) (PDMC)/cellulose nanocrystals (CNC) (PVA/PDMC/CNC) ionic hydrogel was synthesized from PVA, acryloyloxyethyl trimethyl ammonium chloride (DMC) and CNC via segmented polymerization, cyclic freeze-thawing, as well as ion soaking, and characterized by FTIR, SEM, and XRD. The influence of CNC content (based on PVA mass, the same below) on the mechanical properties and output voltage of the hydrogels was evaluated, while series of output tests were conducted on the fabricated ion-piezoelectric flexible sensor to explore its ion-piezoelectric mechanism. The results showed that when the content of CNC being 2% and m(PVA)∶m(DMC)=1∶2, the prepared PVA/PDMC/CNC ionic hydrogel (2%-PVA/PDMC/CNC) exhibited a maximum tensile strength of 1.46 MPa, and an elongation at break of 475%. The piezoionic flexible sensor fabricated from 2%-PVA/PDMC/CNC could achieve an output voltage of 40 mV under pressure of 20 N and frequency of 0.5 Hz, and maintained stable output performance during 800 times of cyclic tests. Meanwhile, it could accurately detect and identify human motions such as gestures and joint bending, and precisely detect the motion frequency and intensity through analysis on the waveforms and peak height of the output voltage.

, authors=Mingzhu YANG1, 2, Yan ZONG1, 2, 3, *, Mingli SHANG1, 2, Qunna XU1, 2, 3, Kai YAN1, 2, 3, authorsList=Mingzhu YANG, Yan ZONG, Mingli SHANG, Qunna XU, Kai YAN, authorCompany=null, correspAuthors=Yan ZONG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1297161227709468724, articleId=1297161226996437042, tenantId=1146029695717560320, journalId=1296125381406982186, language=CN, title=纤维素纳米晶体型离子压电水凝胶的制备及性能, columnId=1297161221933913088, journalTitle=精细化工, columnName=功能材料, runingTitle=null, highlight=null, articleAbstract=

为制备工艺简单、力学性能良好且输出稳定的离子压电型自供能柔性应变传感器,以聚乙烯醇(PVA)、丙烯酰氧乙基三甲基氯化铵(DMC)和纤维素纳米晶体(CNC)为原料,通过分段聚合、循环冻融、离子浸泡制备了一种PVA/聚丙烯酰氧乙基三甲基氯化铵/CNC(PVA/PDMC/CNC)离子水凝胶。采用FTIR、SEM、XRD对水凝胶进行了表征,考察了CNC含量(以PVA质量为基准,下同)对水凝胶的力学性能及输出电压的影响,并对制备的离子压电型柔性传感器进行了系列输出测试,探讨了其离子压电机理。结果表明,当CNC含量为2%、m(PVA)∶m(DMC)=1∶2时,制备的PVA/PDMC/CNC离子水凝胶(2%-PVA/PDMC/CNC)抗张强度达到最大(1.46 MPa),断裂伸长率为475%。由2%-PVA/PDMC/CNC制备的离子压电型柔性传感器可以在0.5 Hz、20 N的压力刺激下达到40 mV的输出电压,并在800次循环测试中保持稳定的输出性能,能够准确地检测识别出人体手势、关节的运动变化,以输出电压的波动和高低,准确检测其运动频次和强度。

, authors=杨明珠1, 2, 宗延1, 2, 3, *, 尚明丽1, 2, 徐群娜1, 2, 3, 闫凯1, 2, 3, authorsList=杨明珠, 宗延, 尚明丽, 徐群娜, 闫凯, authorCompany=null, correspAuthors=宗延, authorNote=

杨明珠(1998—),男,硕士生,E-mail:

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宗延(1987—),男,副教授,E-mail:
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杨明珠(1998—),男,硕士生,E-mail:

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纤维素纳米晶体型离子压电水凝胶的制备及性能
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杨明珠 1, 2 , 宗延 1, 2, 3, * , 尚明丽 1, 2 , 徐群娜 1, 2, 3 , 闫凯 1, 2, 3
精细化工 | 功能材料 2026,43(5): 1047-1056
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精细化工 |功能材料 2026 , 43 (5) : 1047 -1056
纤维素纳米晶体型离子压电水凝胶的制备及性能
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杨明珠1, 2 , 宗延1, 2, 3, * , 尚明丽1, 2, 徐群娜1, 2, 3, 闫凯1, 2, 3
作者信息
  • 1.陕西科技大学 轻工科学与工程学院,陕西 西安 710021
  • 2.轻化工程国家级实验教学示范中心,陕西 西安 710021
  • 3.西安绿色化学与功能材料重点实验室,陕西 西安 710021
通讯作者:
宗延(1987—),男,副教授,E-mail:
作者简介:

杨明珠(1998—),男,硕士生,E-mail:

Preparation and properties of cellulose nanocrystals-based piezoelectric hydrogel
Mingzhu YANG1, 2 , Yan ZONG1, 2, 3, * , Mingli SHANG1, 2, Qunna XU1, 2, 3, Kai YAN1, 2, 3
Affiliations
  • 1.College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, Shaanxi, China
  • 2.National Demonstration Center for Experimental Light Chemistry Engineering Education, Xi'an 710021, Shaanxi, China
  • 3.Xi'an Key Laboratory of Green Chemicals and Functional Materials, Xi'an 710021, Shaanxi, China
出版时间: 2026-05-15 doi: 10.13550/j.jxhg.20250213
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为制备工艺简单、力学性能良好且输出稳定的离子压电型自供能柔性应变传感器,以聚乙烯醇(PVA)、丙烯酰氧乙基三甲基氯化铵(DMC)和纤维素纳米晶体(CNC)为原料,通过分段聚合、循环冻融、离子浸泡制备了一种PVA/聚丙烯酰氧乙基三甲基氯化铵/CNC(PVA/PDMC/CNC)离子水凝胶。采用FTIR、SEM、XRD对水凝胶进行了表征,考察了CNC含量(以PVA质量为基准,下同)对水凝胶的力学性能及输出电压的影响,并对制备的离子压电型柔性传感器进行了系列输出测试,探讨了其离子压电机理。结果表明,当CNC含量为2%、m(PVA)∶m(DMC)=1∶2时,制备的PVA/PDMC/CNC离子水凝胶(2%-PVA/PDMC/CNC)抗张强度达到最大(1.46 MPa),断裂伸长率为475%。由2%-PVA/PDMC/CNC制备的离子压电型柔性传感器可以在0.5 Hz、20 N的压力刺激下达到40 mV的输出电压,并在800次循环测试中保持稳定的输出性能,能够准确地检测识别出人体手势、关节的运动变化,以输出电压的波动和高低,准确检测其运动频次和强度。

离子压电效应  /  复合水凝胶  /  纤维素纳米晶体  /  自供能传感  /  功能材料

To fabricate an ion piezoelectric self-powered flexible strain sensor with good mechanical properties, and stable output through a simple preparation process, a polyvinyl alcohol (PVA)/p(acryloyloxyethyl trimethyl ammonium chloride) (PDMC)/cellulose nanocrystals (CNC) (PVA/PDMC/CNC) ionic hydrogel was synthesized from PVA, acryloyloxyethyl trimethyl ammonium chloride (DMC) and CNC via segmented polymerization, cyclic freeze-thawing, as well as ion soaking, and characterized by FTIR, SEM, and XRD. The influence of CNC content (based on PVA mass, the same below) on the mechanical properties and output voltage of the hydrogels was evaluated, while series of output tests were conducted on the fabricated ion-piezoelectric flexible sensor to explore its ion-piezoelectric mechanism. The results showed that when the content of CNC being 2% and m(PVA)∶m(DMC)=1∶2, the prepared PVA/PDMC/CNC ionic hydrogel (2%-PVA/PDMC/CNC) exhibited a maximum tensile strength of 1.46 MPa, and an elongation at break of 475%. The piezoionic flexible sensor fabricated from 2%-PVA/PDMC/CNC could achieve an output voltage of 40 mV under pressure of 20 N and frequency of 0.5 Hz, and maintained stable output performance during 800 times of cyclic tests. Meanwhile, it could accurately detect and identify human motions such as gestures and joint bending, and precisely detect the motion frequency and intensity through analysis on the waveforms and peak height of the output voltage.

piezoionic effect  /  composite hydrogels  /  cellulose nanocrystals  /  self-powered sensing  /  functional materials
杨明珠, 宗延, 尚明丽, 徐群娜, 闫凯. 纤维素纳米晶体型离子压电水凝胶的制备及性能. 精细化工, 2026 , 43 (5) : 1047 -1056 . DOI: 10.13550/j.jxhg.20250213
Mingzhu YANG, Yan ZONG, Mingli SHANG, Qunna XU, Kai YAN. Preparation and properties of cellulose nanocrystals-based piezoelectric hydrogel[J]. Fine Chemicals, 2026 , 43 (5) : 1047 -1056 . DOI: 10.13550/j.jxhg.20250213
  • 国家自然科学基金项目(51903143)
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doi: 10.13550/j.jxhg.20250213
  • 接收时间:2025-03-28
  • 首发时间:2026-08-20
  • 出版时间:2026-05-15
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  • 收稿日期:2025-03-28
  • 录用日期:2025-04-18
基金
国家自然科学基金项目(51903143)
作者信息
    1.陕西科技大学 轻工科学与工程学院,陕西 西安 710021
    2.轻化工程国家级实验教学示范中心,陕西 西安 710021
    3.西安绿色化学与功能材料重点实验室,陕西 西安 710021

通讯作者:

宗延(1987—),男,副教授,E-mail:
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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