Journal of Materials Science

, Volume 53, Issue 20, pp 14185–14203 | Cite as

Synthesis and structure evolution of phenolic resin/silicone hybrid composites with improved thermal stability

  • Jin Yun
  • Lixin ChenEmail author
  • Xiaofei Zhang
  • Hui Zhao
  • Ziyou Wen
  • Defu Zhu
Chemical routes to materials


Phenolic resin/silicone hybrid composites (MPR) were prepared by a facile and low-cost method. FTIR results show that polycondensation of siloxane occurs in the presence of catalyst and water in the system, and siloxane oligomer was formed. During the curing process, the transesterification reaction between siloxane oligomer and phenolic resin (PR) makes silicon incorporated into PR. The TGA results indicate that introducing Si–O structure into PR can effectively improve the thermal stability of the resin. Compared with cured neat PR, temperatures at 5 and 10% mass loss of cured MPR can be improved by 43 and 36 °C. Its char yield at 800 °C was increased by about 9.1%. Cured MPR has been characterized by FTIR, XPS, XRD and Raman spectra to discuss the chemical state changes of silicon during pyrolysis process, as well as the effect of silicon on the char yield. On the one hand, the formation of Si–O–C structure can reduce the number of phenyl hydroxyl groups, which contributes to the reduced weight loss. On the other hand, the results indicate that Si–Ox structure was formed from the oxidation of Si–CH3 and hydrolysis of Si–O–C structures. According to Raman analyses, introducing silicone into the system cannot help to promote the formation of a more ordered structure. Additionally, the mechanical properties of cured MPR have also been improved.



This research is supported by Science and Technology Fund and Sponsored by the Seed Foundation of Innovation and Creation for Graduate Students in Northwestern Polytechnical University (No. Z2017046) and Shanghai Aerospace Science and Technology Innovation Fund (No. SAST2017-121).

Compliance with ethical standards

Conflict of interest

The authors declare that there is no conflict of interest for this manuscript preparation and publishing.


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Authors and Affiliations

  1. 1.Department of Applied Chemistry, School of Natural and Applied SciencesNorthwestern Polytechnical UniversityXi’anPeople’s Republic of China

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