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Published January 2021 | Version v1
Journal article

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

  • 1. Beijing Institute of Technology. National Engineering Research Center of Flame Retardant Materials, School of Materials Science and Engineering (China)
  • 2. North University of China. School of Environment and Safety Engineering (China)

Description

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:

Additional details

Identifiers

Publishing Information

Journal Title
Journal of Materials Science
Journal Volume
56
Journal Issue
1
Journal Page Range
p. 457-473
ISSN
0022-2461
CODEN
JMTSAS

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