Carboxyl‐terminated butadiene–acrylonitrile rubber modified cyanate ester resin |
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| Authors: | Honghao Shi Zhengping Fang Aijuan Gu Lifang Tong Zhongbin Xu |
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| Affiliation: | 1. Department of Biochemical and Chemical Engineering, Ningbo Institute of Technology, Zhejiang University, Ningbo 315100, China;2. Key Laboratory of Macromolecular Synthesis and Functionalization, Ministry of Education, Institute of Polymer Composites, Zhejiang University, China |
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| Abstract: | The carboxyl‐terminated butadiene‐a‐acrylonitrile rubber (CTBN) has been proved to be the most effective toughener for cyanate ester (CE) resin. This work mainly focuses on the different modification effects caused by the addition of CTBN with different acrylonitrile content. The phase separation, morphology of fracture surface, and physical properties of the blends are studied by scanning electron microscopy (SEM), transmission electron microscopy (TEM), dynamic mechanic analysis (DMA), and thermogravimetric analysis (TGA). It is testified that the compatibility and toughness between CE and CTBN had a positive correlation with the acrylonitrile content of CTBN. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci 2007 |
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| Keywords: | blends compatibility CTBN CE resins toughness |
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