Abstract
The boron-nitrogen-containing phenol-formaldehyde resin (BNPFR)/<TEX>$SiO_2$</TEX> nanocomposites (BNPFR/<TEX>$SiO_2$</TEX>) were synthesized in-situ, and structure of BNPFR/<TEX>$SiO_2$</TEX> nanocomposites was characterized by FTIR, XRD and TEM. The loss modulus peak temperature <TEX>$T_p$</TEX> of BNPFR/<TEX>$SiO_2$</TEX> nanocomposites cured with different nano-<TEX>$SiO_2$</TEX> content are determined by torsional braid analysis (TBA). The thermal degradation kinetics was investigated by thermogravimetric analysis (TGA). The results show that nano-<TEX>$SiO_2$</TEX> particulate with about 50 nm diameter has a more uniformly distribution in the samples. The loss modulus peak temperature <TEX>$T_p$</TEX> of BNPFR/<TEX>$SiO_2$</TEX> nanocomposite is <TEX>$214^{\circ}C$</TEX> when nano-<TEX>$SiO_2$</TEX> content is 6 wt%. The start thermal degradation temperature <TEX>$T_{di}$</TEX> is higher about <TEX>$30^{\circ}C$</TEX> than pure BNPFR. The residual rate (%) of nanocomposites at <TEX>$800^{\circ}C$</TEX> is above 40 % when nano-<TEX>$SiO_2$</TEX> content is 9 %. The thermal degradation process is multistage decomposition and following first order.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
