Synthesis of biobased polyphenols for preparing phenolic polyurethanes with self-healing properties

被引：9
|
作者：
Lin, Yamei [1 ,2 ,3 ]
Yan, Ruyu [5 ]
Zhang, Yan [1 ,2 ]
Yang, Xiaohua [1 ,2 ]
Ding, Haiyang [1 ,2 ,4 ]
Xu, Lina [1 ,2 ]
Li, Shouhai [1 ,2 ,4 ]
Li, Mei [1 ,2 ]
机构：
[1] CAF, Inst Chem Ind Forestry Prod, London, England
[2] Natl Engn Res Ctr Low Carbon Emiss High Efficienc, Key Lab Biomass Energy & Mat, Nanjing, Jiangsu, Peoples R China
[3] Nanjing Normal Univ, Sch Food Sci & Pharmaceut Engn, Nanjing 210023, Peoples R China
[4] CAF, Res Inst Forestry New Technol, Beijing 100091, Peoples R China
[5] Beijing Forestry Univ, Coll Mat Sci & Technol, Beijing 100083, Peoples R China
来源：
POLYMER TESTING | 2022年 / 112卷
基金：
中国国家自然科学基金;
关键词：
Eugenol; Thiols; Biobased polyphenols; Self-healing polyurethanes; Reversible covalent bonds; MECHANICAL-PROPERTIES; PERFORMANCE; ELASTOMER; TEMPERATURE;
D O I：
10.1016/j.polymertesting.2022.107644
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Biomass eugenol derived polyols with two or three functionalities were synthesized and used for the preparation of self-healing polyurethanes PU-2SH and PU-3SH, respectively. The structure of PU-2SH and PU-3SH were characterized by Fourier transition infrared spectroscopy (FTIR). Variable temperature FTIR and swelling test were carried out to analysis the self-healing behavior and determine the self-healing temperature of PU-2SH and PU-3SH. The thermal stability, dynamic mechanical properties, swelling performance and self-healing performance of the prepared PU-2SH and PU-3SH were studied in detail. Compared with PU-2SH, PU-3SH showed higher stability, T-g and storage modulus, and weaker self-healing abilities.
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收藏
页数：8
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