Synthesis and Properties of Highly Cross-Linked Thermosetting Resins of Benzocyclobutene-Functionalized Benzoxazine

被引：74

作者：

Cheng, Yuanrong ^{[1
]}

Yang, Jun ^{[1
]}

Jin, Yunxia ^{[1
]}

Deng, Dunying ^{[1
]}

Xiao, Fei ^{[1
]}

机构：

[1] Fudan Univ, Dept Mat Sci, Shanghai 200433, Peoples R China

来源：

MACROMOLECULES | 2012年 / 45卷 / 10期

关键词：

POLYBENZOXAZINES; POLYMERIZATION; MALEIMIDE; MONOMERS;

D O I：

10.1021/ma3004218

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Benzocyclobutene- (BCB-) functionalized benzoxazine (BOZ) monomers and resins have been successfully prepared. BCB-functionalized BOZ monomers were synthesized by the reaction of 4-aminobenzocyclobutene (AMBCB), phenol and paraformaldehyde or by the reaction of 4-hydroxylbenzocyclobutene (OHBCB), arylamine, and paraformaldehyde in toluene under reflux. Fourier transform infrared spectroscopy (FTIR), H-1 and C-13 nuclear magnetic resonance spectroscopy (NMR) are used to characterize the structure of the monomers. The monomers possess two kinds of ring-opening polymerizable functional groups of BCB and BOZ. So the monomers can be cured at proper temperature to prepare highly cross-linked resins. The polymerization behavior of the monomers is studied by differential scanning calorimetry (DSC) and FTIR DMA study demonstrates that these polymers show high storage moduli which can be maintained in a wide temperature range up to 300 degrees C and high T-g at ca. 350 degrees C. The TGA study shows that the cured resins possess good thermal stability.

引用

页码：4085 / 4091

页数：7

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