Study on the curing kinetics of phthalonitrile promoted by bio-tyrosine cyclic peptide

被引：21

作者：

He, Xian ^{[1
]}

Wu, Hao ^{[1
]}

Lv, Jiangbo ^{[1
]}

Chen, Menghao ^{[1
]}

Zhou, Tao ^{[1
]}

Luo, Yun ^{[1
]}

Hu, Jianghuai ^{[1
]}

Zeng, Ke ^{[1
]}

Yang, Gang ^{[1
]}

机构：

[1] Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China

来源：

POLYMER TESTING | 2020年 / 90卷 / 90期

基金：

中国博士后科学基金;

关键词：

Phthalonitrile; Tyrosine cyclic peptide; Curing kinetics; Autocatalytic model; ALICYCLIC IMIDE MOIETY; MECHANICAL-PROPERTIES; THERMAL-PROPERTIES; HIGH-PERFORMANCE; HEATING RATE; RESINS; TEMPERATURE; MONOMER; ETHER;

D O I：

10.1016/j.polymertesting.2020.106753

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The investigation on the curing kinetics of phthalonitrile is of significance for understanding the curing mechanism and optimizing the curing process. Here the curing kinetics of 1,3-bis (3,4-dicyanophenoxy) benzene (3BOCN) promoted by tyrosine cyclic peptide (TCP) was studied by non-isothermal differential scanning calorimetry (DSC) with the aid of two-dimensional correlation spectroscopy (2DCS). 2DCS revealed a multi-path curing reaction of 3BOCN/TCP system, so the peak fitting was used to calculate the kinetic parameters of the two curing pathways. The results showed that both curing pathways of 3BOCN/TCP system could be described by autocatalytic model, and the calculated values could fit well with the experimental data.

引用

页数：9

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