Flame retardant composites of ladder phenyl/vinyl polysilsesquioxane-reinforced vinyl ester

Weiwei Zhang, Zhaolu Qin, Yanhua Lan, Xin Zhang, Wenchao Zhang*, Yetang Pan, Rongjie Yang

*此作品的通讯作者

科研成果: 期刊稿件文章同行评审

16 引用 (Scopus)

摘要

An unsaturated ladder phenyl/vinyl polysilsesquioxane (PhVPOSS) was synthesized and applied to vinyl ester resin (VER) thermosets. The compatibility, mechanical properties, thermal properties, and combustion behavior of the VER-PhVPOSS composites were further investigated. As a result, the PhVPOSS and VER had a good compatibility and interaction based on the solubility parameters and Flory–Huggins parameters. PhVPOSS provided the VER with a significantly enhanced bending strength, thermal stability, and smoke-suppression effect. When 20 wt% PhVPOSS was added, the bending strength, flexural modulus, and breaking force increased by195.6%, 260.6%, and 196.6% compared with pure VER. The peak heat release rate, total smoke release, and specific optical density decreased by 52.2%, 20.7%, and 15.7%, respectively. These favorable characteristics indicated that PhVPOSS had a good application prospect in unsaturated polyester resin. Graphic abstract: [Figure not available: see fulltext.].

源语言英语
页(从-至)457-473
页数17
期刊Journal of Materials Science
56
1
DOI
出版状态已出版 - 1 1月 2021

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