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

被引：8

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.

引用

页数：8

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