Enhancing and toughening plant oil-based polymeric materials through synergetic supramolecular and covalent interactions by introducing nucleobase-functionalized celluloses
Enhancing and toughening plant oil-based polymeric materials through synergetic supramolecular and covalent interactions by introducing nucleobase-functionalized celluloses
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通过引入核碱基功能化纤维素，通过协同超分子和共价相互作用增强和增韧植物油基聚合物材料
DOI：
10.1039/d1py00493j
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发表时间：
2021-06
影响因子：
4.6
通讯作者：
Hua Zan
中科院分区：
文献类型：
--
作者：
Li Jianjun;Chen Jiaqi;Wu Jiang;Lei HanDang;Tian Yuting;Yang Guang;Wang Zhongkai;Hua Zan
可再生植物油基聚合物材料具有成本低、可再生性好等优点，有望取代现有的石油基聚合物。然而，植物油基聚合物材料中分子间相互作用较弱，往往会导致较差的力学性能。在这里，通过将胸腺嘧啶修饰的纤维素(cellulose-grafted-poly(4-((3-(thymin-l-yl)propanoyl)oxy)butyl-T)或PTAc(细胞-g-PTAC)与含有互补核酸基的植物油基共聚物混合，可以通过动态超分子氢键(H键)相互作用来提高聚合物材料的力学性能。DSC和FT-IR分析表明，由于互补碱基之间的弱相互作用，含有Cell-g-PTAC和植物油基腺嘌呤共聚物的聚合物材料具有中等的力学性能。与瓶刷共聚物Cell-g-PTAC相比，线型聚合物Cell-T在聚合物网络中实现了更强、更有效的氢键相互作用(拉伸强度15.4 Mpa以上1.8 Mpa)。此外，与具有相同碱基的柔性骨架相比，刚性的纤维素骨架和残留的纤维素羟基引发的共价交联在改善力学性能方面也起到了重要作用。利用互补碱基之间的生物激发氢键相互作用的策略为制备强植物油基聚合物材料提供了一种有效的超分子方法。
Renewable plant oil-based polymeric materials are promising to replace current petroleum-based polymers, considering their low cost and renewability. However, weak intermolecular interaction within the plant oil-based polymeric materials usually gives rise to poor mechanical properties. Herein, the mechanical properties of polymeric materials can be enhanced through dynamic supramolecular hydrogen-bonding (H-bonding) interaction by mixing thymine-modified-cellulose (Cell-T) or cellulose-grafted-poly(4-((3-(thymin-l-yl)propanoyl)oxy)butyl acrylate) (Cell-g-PTAc) with plant oil-based copolymers containing complementary nucleobase moieties. The polymeric materials containing Cell-g-PTAc and plant oil-based copolymers with adenine have moderate mechanical properties due to the weak interaction between complementary nucleobases as elucidated by DSC and FT-IR analyses. Compared with bottlebrush copolymers Cell-g-PTAcs, the linear polymer Cell-T achieves a stronger and more efficient H-bonding interaction within the polymeric network (15.4 MPa over 1.8 MPa in tensile strength). Additionally, the rigid backbone of cellulose and residual cellulose hydroxyl group induced covalent crosslinking also play an important role in improving the mechanical properties, compared with the flexible backbone one with the same nucleobase. The strategy of utilizing the bioinspired H-bonding interaction between complementary nucleobases provides an efficient supramolecular method to fabricating strong plant oil-based polymeric materials.
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影响因子：
5.5
作者：
Sandra Wohlhauser;Tobias Kuhnt;Worarin Meesorn;Lucas Montero de Espinosa;J. Zoppe;C. Weder
通讯作者：
Sandra Wohlhauser;Tobias Kuhnt;Worarin Meesorn;Lucas Montero de Espinosa;J. Zoppe;C. Weder
影响因子：
29.4
作者：
Jifu Wang;Daihui Zhang;F. Chu
通讯作者：
Jifu Wang;Daihui Zhang;F. Chu
影响因子：
4.6
作者：
de Menezes, Aparecido Junior;Siqueira, Gilberto;Dufresne, Alain
通讯作者：
Dufresne, Alain
影响因子：
9.8
作者：
Zhongkai Wang;Liang Yuan;Nathan M. Trenor;L. Vlaminck;Stijn Billiet;A. Sarkar;F. D. Prez;M. Stefik-M.
通讯作者：
Zhongkai Wang;Liang Yuan;Nathan M. Trenor;L. Vlaminck;Stijn Billiet;A. Sarkar;F. D. Prez;M. Stefik-M.
用于食品包装应用的高强度半纤维素纳米复合薄膜
影响因子：
8.4
作者：
Chen, Ge-Gu;Qi, Xian-Ming;Sun, Run-Cang
通讯作者：
Sun, Run-Cang