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3651445 
Journal Article 
Highly cross-linked thermosetting resin of maleimidobenzoxazine functionalized with benzocyclobutene 
Cheng, Y; Qi, T; Jin, Y; Deng, D; Xiao, F 
2013 
1 
Polymer
ISSN: 0032-3861 
Polymer 
54 
1 
143-147 
WOS:000322356000018 
Abstract: Maleimidobenzoxazine monomer functionalized with benzocyclobutene (BCB) and its cured resin has been successfully prepared. BCB-modified maleimidobenzoxazine monomer (HMI–AB) was synthesized by the reaction of 4-aminobenzocyclobutene (AMBCB), p-hydroxyphenylmaleimide (HMI) and paraformaldehyde in dioxane under reflux. Fourier transform infrared spectroscopy (FTIR), ¹H and ¹³C nuclear magnetic resonance spectroscopy (NMR) were used to characterize the structure of the monomer. The monomer HMI–AB possesses three kinds of polymerizable functional groups of BCB, maleimide and benzoxazine. The polymerization behavior of the monomer is studied by differential scanning calorimetry (DSC) and FTIR. DMA study demonstrates that the cured resin show high storage modulus and high Tg at ca. 350Â °C. TGA study shows that the cured resin possess good thermal stability. ds: Internet resource her supplied data e field[29]: 1,4-Dioxane 
Maleimide; Benzoxazine; Benzocyclobutene