NDLI: Benzocyclobutene resin with m-carborane cages and a siloxane backbone: a novel thermosetting material with high thermal stability and shape-memory property

Content Provider	Royal Society of Chemistry (RSC)
Author	Meng, Zhen Huang, Xin Xi, Kai Deng, Guoqing Zhang, Qiuhong Jia, Xudong
Copyright Year	2016
Abstract	In this paper, we report the design, synthesis and properties of novel cross-linked benzocyclobutene resin with m-carborane cages and a siloxane backbone. The synthesis process of the m-carborane derivative containing the benzocyclobutene functional group was simple and efficient. 1H, 13C, and 29Si NMR confirmed the structure of the dibenzocyclobutene-functional m-carborane (DBMC). The novel polymer film was readily fabricated through ring-opening polymerization of the benzocyclobutene unit. Differential scanning calorimetry (DSC) and FT-IR were used to study the curing behavior. Thermogravimetric analysis (TGA) showed that the cured film had outstanding thermal stability. The cross-linked film also exhibited good shape-memory property, and had the capacity to address challenges in advanced aerospace. The boron in the cured DBMC was abundant and showed homogeneous distribution at the microscale. These data imply that the cured DBMC is suitable for use as a neutron shielding material, especially in aerospace applications such as neutron shielding garments.
Starting Page	24690
Ending Page	24697
Page Count	8
File Format	HTM / HTML PDF
ISSN	20462069
Volume Number	6
Issue Number	29
Journal	RSC Advances
DOI	10.1039/c5ra27647k
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Differential scanning calorimetry Boron Thermogravimetric analysis Resin Siloxane Benzocyclobutene Ring-opening polymerization Polymer Nuclear magnetic resonance Fourier-transform infrared spectroscopy Neutron Functional group
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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