Large Amplitude Oscillatory Shear Studies on the Strain-stiffening Behavior of Gelatin Gels
Linear and nonlinear viscoelasticity of gelatin solutions was investigated by rheology. The dynamic mechanical properties during the sol-gel transition of gelatin followed the time-cure superposition. The fractal dimension df of the critical gel was estimated as 1.76, which indicated a loose network...
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| Veröffentlicht in: | Chinese journal of polymer science 2015, Vol.33 (1), p.70-83 |
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| creator | Sun, Wei-xiang Huang, Li-zhen Yang, Yan-rui Liu, Xin-xing Tong, Zhen |
| description | Linear and nonlinear viscoelasticity of gelatin solutions was investigated by rheology. The dynamic mechanical properties during the sol-gel transition of gelatin followed the time-cure superposition. The fractal dimension df of the critical gel was estimated as 1.76, which indicated a loose network. A high sol fraction ws = 0.61 was evaluated from the plateau modulus by semi-empirical models. Strain-stiffening behavior was observed under large amplitude oscillatory shear（LAOS） for the gelatin gel. The strain and frequency dependence of the minimum strain modulus GM, energy dissipation Ed, and nonlinear viscoelastic parameter NE was illustrated in Pipkin diagrams and explained by the strain induced helix formation reported previously by others. The BST model described the strain-stiffening behavior of gelatin gel quite well, whereas the Gent and worm-like chain network models overestimated the strain-stiffening at large strains. |
| doi_str_mv | 10.1007/s10118-015-1559-5 |
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The dynamic mechanical properties during the sol-gel transition of gelatin followed the time-cure superposition. The fractal dimension df of the critical gel was estimated as 1.76, which indicated a loose network. A high sol fraction ws = 0.61 was evaluated from the plateau modulus by semi-empirical models. Strain-stiffening behavior was observed under large amplitude oscillatory shear（LAOS） for the gelatin gel. The strain and frequency dependence of the minimum strain modulus GM, energy dissipation Ed, and nonlinear viscoelastic parameter NE was illustrated in Pipkin diagrams and explained by the strain induced helix formation reported previously by others. 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The dynamic mechanical properties during the sol-gel transition of gelatin followed the time-cure superposition. The fractal dimension df of the critical gel was estimated as 1.76, which indicated a loose network. A high sol fraction ws = 0.61 was evaluated from the plateau modulus by semi-empirical models. Strain-stiffening behavior was observed under large amplitude oscillatory shear（LAOS） for the gelatin gel. The strain and frequency dependence of the minimum strain modulus GM, energy dissipation Ed, and nonlinear viscoelastic parameter NE was illustrated in Pipkin diagrams and explained by the strain induced helix formation reported previously by others. The BST model described the strain-stiffening behavior of gelatin gel quite well, whereas the Gent and worm-like chain network models overestimated the strain-stiffening at large strains.</description><subject>Amplitudes</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Condensed Matter Physics</subject><subject>Gelatins</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Mathematical models</subject><subject>Networks</subject><subject>Nonlinearity</subject><subject>Polymer Sciences</subject><subject>Shear</subject><subject>Strain</subject><subject>Viscoelasticity</subject><subject>分形维数估计</subject><subject>动态力学性能</subject><subject>大振幅</subject><subject>应变硬化</subject><subject>振荡剪切</subject><subject>明胶凝胶</subject><subject>行为</subject><subject>非线性粘弹性</subject><issn>0256-7679</issn><issn>1439-6203</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp9kD9PIzEQxa0TSBf-fAA66yoag8dee-2SQ5BDikQBVFdYZj2bGCV2sDdIfPtzFER51dOM3m9G7xFyAfwKOO-vK3AAwzgoBkpZpn6QGXTSMi24PCIzLpRmve7tT3JS6xvnuutVPyN_F74skd5stus47QLSxzrE9dpPuXzSpxX6Qp_aPmKlOdFphW0sPiZWpziOmGJa0t-48h8xF5pHOsfGxrTXekaOR7-ueP6lp-Tl_u759g9bPM4fbm8WbJCdmZjhBkBoKXuLohuCHe2rVkJ3xnsfOIKxwYIQQosQBIRO9TiitRZU0OHVylNyebi7Lfl9h3Vym1gHbCkS5l110FspDOdGNiscrEPJtRYc3bbEjS-fDrjbF-kORbpWpNsX6VRjxIGpzZuWWNxb3pXUEv0X-vX1aJXT8r1x3590i2paXi3_ATFtgLw</recordid><startdate>2015</startdate><enddate>2015</enddate><creator>Sun, Wei-xiang</creator><creator>Huang, Li-zhen</creator><creator>Yang, Yan-rui</creator><creator>Liu, Xin-xing</creator><creator>Tong, Zhen</creator><general>Chinese Chemical Society and Institute of Chemistry, CAS</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>2015</creationdate><title>Large Amplitude Oscillatory Shear Studies on the Strain-stiffening Behavior of Gelatin Gels</title><author>Sun, Wei-xiang ; Huang, Li-zhen ; Yang, Yan-rui ; Liu, Xin-xing ; Tong, Zhen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c348t-80811263379e24cd9f9b652648aaad0e189d9122262dd21d457efe99915d6db93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Amplitudes</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Condensed Matter Physics</topic><topic>Gelatins</topic><topic>Industrial Chemistry/Chemical Engineering</topic><topic>Mathematical models</topic><topic>Networks</topic><topic>Nonlinearity</topic><topic>Polymer Sciences</topic><topic>Shear</topic><topic>Strain</topic><topic>Viscoelasticity</topic><topic>分形维数估计</topic><topic>动态力学性能</topic><topic>大振幅</topic><topic>应变硬化</topic><topic>振荡剪切</topic><topic>明胶凝胶</topic><topic>行为</topic><topic>非线性粘弹性</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sun, Wei-xiang</creatorcontrib><creatorcontrib>Huang, Li-zhen</creatorcontrib><creatorcontrib>Yang, Yan-rui</creatorcontrib><creatorcontrib>Liu, Xin-xing</creatorcontrib><creatorcontrib>Tong, Zhen</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Chinese journal of polymer science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sun, Wei-xiang</au><au>Huang, Li-zhen</au><au>Yang, Yan-rui</au><au>Liu, Xin-xing</au><au>Tong, Zhen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Large Amplitude Oscillatory Shear Studies on the Strain-stiffening Behavior of Gelatin Gels</atitle><jtitle>Chinese journal of polymer science</jtitle><stitle>Chin J Polym Sci</stitle><addtitle>Chinese Journal of Polymer Science</addtitle><date>2015</date><risdate>2015</risdate><volume>33</volume><issue>1</issue><spage>70</spage><epage>83</epage><pages>70-83</pages><issn>0256-7679</issn><eissn>1439-6203</eissn><abstract>Linear and nonlinear viscoelasticity of gelatin solutions was investigated by rheology. 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| subjects | Amplitudes Characterization and Evaluation of Materials Chemistry Chemistry and Materials Science Condensed Matter Physics Gelatins Industrial Chemistry/Chemical Engineering Mathematical models Networks Nonlinearity Polymer Sciences Shear Strain Viscoelasticity 分形维数估计 动态力学性能 大振幅 应变硬化 振荡剪切 明胶凝胶 行为 非线性粘弹性 |
| title | Large Amplitude Oscillatory Shear Studies on the Strain-stiffening Behavior of Gelatin Gels |
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