Results 191 to 200 of about 19,739 (255)

Synthesis of bio-based polycarbonate via one-step melt polycondensation of isosorbide and dimethyl carbonate by dual site-functionalized ionic liquid catalysts

Green Chemistry, 2021
A synthetic pathway for high molecular weight isosorbide-based polycarbonate was developed via one-step direct melt polycondensation of isosorbide and dimethyl carbonate catalyzed by dual site-functionalized ionic liquids.
Zifeng Yang, Xue Li, Fei Xu, Weiwei Wang, Yongqing Shi, Zhencai Zhang, Wenjuan Fang, Lei Liu, Suojiang Zhang   +8 more
semanticscholar   +1 more source

Cost-Effective Synthesis of High Molecular Weight Biobased Polycarbonate via Melt Polymerization of Isosorbide and Dimethyl Carbonate

, 2020
Green synthesis of poly(isosorbide carbonate) (PIC) with remarkable properties is a huge challenge in industrial applications due to low molecular weight and harsh reaction conditions.
Zifeng Yang, Lei Liu, Hongzhe An, Chenhao Li, Zhencai Zhang, W. Fang, Fei Xu, Suojiang Zhang   +7 more
semanticscholar   +1 more source

Isosorbide and Tricyclodecanedimethanol for the Synthesis of Amorphous and High Tg Partially Biobased Copolyesters

, 2020
The synthesis and properties of amorphous poly(tricyclodecanedimethylene-co-isosorbide terephthalate) (PTIT) with isosorbide (IS) content ranging from 0 to 68 mol% relative to total diols amount we...
Sylvain Legrand, N. Jacquel, H. Amédro, R. Saint-Loup, M. Colella, J. Pascault, F. Fenouillot, A. Rousseau   +7 more
semanticscholar   +1 more source

Efficient synthesis of bio-derived polycarbonates from dimethyl carbonate and isosorbide: regulating exo-OH and endo-OH reactivity by ionic liquids

, 2020
It is an immense challenge to design catalysts for synthesizing high molecular weight polycarbonates using CO2, CO2-based compounds, or biorenewable chemicals as building blocks. To this end, an eco-compatible approach to synthesizing polycarbonates from
W. Qian, Xifei Ma, Lei Liu, Lili Deng, Qian Su, Ruibing Bai, Zengliang Zhang, Haibin Gou, Li Dong, Weiguo Cheng, Fei Xu   +10 more
semanticscholar   +1 more source

One-pot synthesis of bio-based polycarbonates from dimethyl carbonate and isosorbide under metal-free condition

, 2020
Synthesis of bioderived high-molecular-weight polycarbonates under metal-free condition is particularly challenging. Here, a green synthetic strategy of bio-based poly(isosorbide carbonate) (PIC) from renewable monomer isosorbide (ISB) and dimethyl ...
Wenjuan Fang, Zhencai Zhang, Zifeng Yang, Yaqin Zhang, Fei Xu, Chenhao Li, Hongzhe An, Ting Song, Yun-jun Luo, Suojiang Zhang   +9 more
semanticscholar   +1 more source

Chemical Recycling of Poly(ethylene furanoate) into Value-added Poly(ethylene-co)-isosorbide furanoate)

Chinese Journal of Polymer Science, 2023
J. Li, Sheng Wang, Huan-Jun Lu, Yingkun Lan, Xiaohong Li, Y. Tu   +5 more
semanticscholar   +1 more source

Transesterification of Isosorbide with Dimethyl Carbonate Catalyzed by Task-Specific Ionic Liquids.

ChemSusChem, 2019
Green synthesis of high-molecular-weight isosorbide-based polycarbonate (PIC) with excellent properties is a tremendous challenge and is profoundly influenced by the precursor.
W. Qian, X. Tan, Qian Su, Weiguo Cheng, Fei Xu, Li Dong, Suojiang Zhang   +6 more
semanticscholar   +1 more source

Confinement of Brønsted acidic ionic liquids into covalent organic frameworks as a catalyst for dehydrative formation of isosorbide from sorbitol

Green Chemistry, 2019
The confinement of BILs into 2D COFs using a one-pot self-assembly strategy was achieved. The resulted mesoporous hybrids were successfully applied as the catalyst for a quantitative transformation of sorbitol to isosorbide.
Yishu Du, Bao‐Hua Xu, Jiang Pan, Yi‐Wei Wu, Xiaoming Peng, Yao‐Feng Wang, Suojiang Zhang   +6 more
semanticscholar   +1 more source

A Cascade Polymerization Method for the Property Modification of Poly(butylene terephthalate) by the Incorporation of Isosorbide

ACS Applied Polymer Materials, 2019
Poly(butylene terephthalate) (PBT) is an important engineering plastic with good mechanical properties. We report herein the incorporation of biobased isosorbide into PBT by a green in situ cascade polycondensation-coupling ring-opening polymerization ...
Wanming Wang, Feng Wu, Huanjun Lu, Xiaohong Li, Xiaoming Yang, Y. Tu   +5 more
semanticscholar   +1 more source

Insights into the Active Acid Sites for Isosorbide Synthesis from Renewable Sorbitol and Cellulose on Solid Acid Catalysts

Chemical Research in Chinese Universities, 2022
Tianyin Deng, Xiaohui He, Haichao Liu
semanticscholar   +1 more source