TY - JOUR
T1 - Synchronously improved wave-transparent performance and mechanical properties of cyanate ester resins via introducing fluorine-containing linear random copolymer
AU - Zhou, Yuxiao
AU - Zhang, Junliang
AU - Qu, Chang
AU - Li, Liangchen
AU - Kong, Jie
AU - Gu, Junwei
N1 - Publisher Copyright:
© 2021, The Author(s), under exclusive licence to Springer Nature Switzerland AG.
PY - 2021/12
Y1 - 2021/12
N2 - A novel epoxy and fluorine-containing linear random copolymer of P(PFS-co-GMA) is synthesized from pentafluorostyrene (PFS) and glycidyl methacrylate (GMA) via RAFT polymerization, which is then performed to prepare modified bisphenol A dicyanate ester (m-BADCy) resin. Small dipole and low polarizability of C–F bond in PFS improve the wave-transparent performance of m-BADCy resin. Besides, the large free volume of P(PFS-co-GMA) and formation of semi-IPN structure simultaneously enhances the mechanical properties. The obtained m-BADCy resin with 15 wt% P(PFS-co-GMA) demonstrated the optimal comprehensive properties. ε and tanδ were 2.59 and 0.0053, respectively, lower than that of pure BADCy resin (2.97 and 0.0090). The corresponding wave transmittance (|T|2) increased from 92.9% of pure BADCy resin to 94.5%. Meanwhile, the corresponding flexural and impact strength increased to 122.4 MPa and 14.6 kJ/m2, increased by 23.1% and 49.0% compared with pure BADCy resin (99.4 MPa and 9.8 kJ/m2), respectively. Graphical abstract: A novel epoxy and fluorine containing linear randomcopolymer of P(PFS-co-GMA) wassynthesized from pentafluorostyrene (PFS) and glycidyl methacrylate (GMA) via RAFTpolymerization, which was then performed to prepare modified bisphenol A dicyanateester (m-BADCy) resin. The m-BADCy resin displayed significantly improved wave-transparent performance and mechanicalproperties, while maintaining excellent thermal properties. [Figure not available: see fulltext.]
AB - A novel epoxy and fluorine-containing linear random copolymer of P(PFS-co-GMA) is synthesized from pentafluorostyrene (PFS) and glycidyl methacrylate (GMA) via RAFT polymerization, which is then performed to prepare modified bisphenol A dicyanate ester (m-BADCy) resin. Small dipole and low polarizability of C–F bond in PFS improve the wave-transparent performance of m-BADCy resin. Besides, the large free volume of P(PFS-co-GMA) and formation of semi-IPN structure simultaneously enhances the mechanical properties. The obtained m-BADCy resin with 15 wt% P(PFS-co-GMA) demonstrated the optimal comprehensive properties. ε and tanδ were 2.59 and 0.0053, respectively, lower than that of pure BADCy resin (2.97 and 0.0090). The corresponding wave transmittance (|T|2) increased from 92.9% of pure BADCy resin to 94.5%. Meanwhile, the corresponding flexural and impact strength increased to 122.4 MPa and 14.6 kJ/m2, increased by 23.1% and 49.0% compared with pure BADCy resin (99.4 MPa and 9.8 kJ/m2), respectively. Graphical abstract: A novel epoxy and fluorine containing linear randomcopolymer of P(PFS-co-GMA) wassynthesized from pentafluorostyrene (PFS) and glycidyl methacrylate (GMA) via RAFTpolymerization, which was then performed to prepare modified bisphenol A dicyanateester (m-BADCy) resin. The m-BADCy resin displayed significantly improved wave-transparent performance and mechanicalproperties, while maintaining excellent thermal properties. [Figure not available: see fulltext.]
KW - Bisphenol A dicyanate ester
KW - Dielectric properties
KW - Epoxy and fluorine-containing linear random copolymer
KW - Mechanical properties
UR - https://www.scopus.com/pages/publications/85116240569
U2 - 10.1007/s42114-021-00349-3
DO - 10.1007/s42114-021-00349-3
M3 - 文章
AN - SCOPUS:85116240569
SN - 2522-0128
VL - 4
SP - 1166
EP - 1175
JO - Advanced Composites and Hybrid Materials
JF - Advanced Composites and Hybrid Materials
IS - 4
ER -