Kinetic study of Diels-Alder reaction involving in maleimide-furan compounds and linear polyurethane

被引:98
|
作者
Liu, Xuanxuan [1 ]
Du, Pengfei [1 ]
Liu, Li [1 ]
Zheng, Zhen [1 ]
Wang, Xinling [1 ]
Joncheray, Thomas [2 ]
Zhang, Yuefan [3 ]
机构
[1] Shanghai Jiao Tong Univ, Sch Chem & Chem Technol, State Key Lab Met Matrix Composites, Shanghai 200240, Peoples R China
[2] Huntsman Europe BVBA, B-3078 Everberg, Belgium
[3] Huntsman Polyurethanes China Ltd, Shanghai 200245, Peoples R China
关键词
Diels-Alder reaction; Kinetics; Polyurethane; Furfuryl alcohol; Bismaleimide; HEALING POLYMERIC MATERIALS; CROSS-LINKED POLYAMIDES; CLICK CHEMISTRY; BEARING; EPOXY; COPOLYMERS; NETWORKS; MOIETIES;
D O I
10.1007/s00289-013-0954-8
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Linear polyurethane was synthesized by Diels-Alder (DA) reaction between a polyurethane prepolymer end-capped with furan rings (MPF) and bismaleimide (BMI). The polymerization kinetics were studied following a preliminary kinetic study of the DA reaction between furfuryl alcohol (FA) and BMI compounds by attenuated total reflection infrared, ultraviolet-visible and in situ H-1 NMR spectroscopies, where in situ H-1 NMR spectroscopy was selected as the analytical method of choice to study the DA reaction between MPF and BMI. The results showed that the reaction followed second-order kinetics, and the most beneficial experimental conditions to maximize conversion were identified.
引用
收藏
页码:2319 / 2335
页数:17
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