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| Study on Preparation and Properties of Lignin /PAM Hydrogel Sensing Material |
| Received:July 01, 2021 |
| DOI：10.11980/j.issn.0254-508X.2022.01.005 |
| Key Words:lignin hydrogel sensing material adhesion |
| Fund Project:国家自然科学基金（31901265；22178208）。 |
| Author Name | Affiliation | Postcode | | XIU Huijuan | College of Bioresources Chemical and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education , Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper Development, Shaanxi University of Science & Technology, Xi’an, Shaanxi Province,710021 | 710021 | | LI Jingyu | College of Bioresources Chemical and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education , Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper Development, Shaanxi University of Science & Technology, Xi’an, Shaanxi Province,710021 | 710021 | | ZHAO Haizhi | College of Bioresources Chemical and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education , Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper Development, Shaanxi University of Science & Technology, Xi’an, Shaanxi Province,710021 | 710021 | | DENG Zili | College of Bioresources Chemical and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education , Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper Development, Shaanxi University of Science & Technology, Xi’an, Shaanxi Province,710021 | 710021 | | QIAO Cheng | College of Bioresources Chemical and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education , Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper Development, Shaanxi University of Science & Technology, Xi’an, Shaanxi Province,710021 | 710021 | | SONG Shunxi | College of Bioresources Chemical and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education , Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper Development, Shaanxi University of Science & Technology, Xi’an, Shaanxi Province,710021 | 710021 | | DAI Lei | College of Bioresources Chemical and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education , Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper Development, Shaanxi University of Science & Technology, Xi’an, Shaanxi Province,710021 | 710021 | | LI Jinbao* | College of Bioresources Chemical and Materials Engineering, National Demonstration Center for Experimental Light Chemistry Engineering Education , Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper Development, Shaanxi University of Science & Technology, Xi’an, Shaanxi Province,710021 | 710021 |
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| Abstract:In this study， lignin and acrylamide were used as raw materials to prepare lignin/polyacrylamide composite hydrogel with excellent mechanical and adhesive properties. The results showed that the addition of lignin was beneficial to the mechanical and adhesive properties of hydrogel. When the lignin content was 1%， the tensile strain of the composite hydrogel reached 525% and the tensile stress was 50 kPa， the toughness was 11.2 MJ/m3， the compressive strain was 88.7%， the compressive stress was 97 kPa. Besides， the addition of lignin increased the adhesive performance of the composite hydrogels with the adhesion energy of 130 N/m2. Compared with the hydrogel without lignin， the elongation of composite hydrogel was increased by 1.7 times， and adhesion energy was increased by 4 times. |
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