Preparation and properties of novel silicon-containing polyarylacetylene resin based wave-transparent composite

YUAN Hang; MENG Qingjie; ZHANG Hao; XIE Fei; JIANG Liping; HOU Shutao; QI Huimin

doi:10.13801/j.cnki.fhclxb.20210210.009

Volume 38 Issue 11

Nov. 2021

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YUAN Hang, MENG Qingjie, ZHANG Hao, et al. Preparation and properties of novel silicon-containing polyarylacetylene resin based wave-transparent composite[J]. Acta Materiae Compositae Sinica, 2021, 38(11): 3629-3639. doi: 10.13801/j.cnki.fhclxb.20210210.009

Citation:

YUAN Hang, MENG Qingjie, ZHANG Hao, et al. Preparation and properties of novel silicon-containing polyarylacetylene resin based wave-transparent composite[J]. Acta Materiae Compositae Sinica, 2021, 38(11): 3629-3639. doi: 10.13801/j.cnki.fhclxb.20210210.009

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Preparation and properties of novel silicon-containing polyarylacetylene resin based wave-transparent composite

doi: 10.13801/j.cnki.fhclxb.20210210.009

YUAN Hang^{1
,
,},
MENG Qingjie^1
,,
ZHANG Hao^1
,,
XIE Fei^1
,,
JIANG Liping^1
,,
HOU Shutao^1
,,
QI Huimin²

1.
Aerospace Institute of Advanced Materials & Processing Technology, Beijing 100074, China
2.
School of Materials Science and Engineering, East China University of Science & Technology, Shanghai 200237, China

Received Date: 2020-11-16
Accepted Date: 2021-01-25

Available Online: 2021-02-14

Publish Date: 2021-11-01

Abstract

Abstract

In order to satisfy the requirement of high-temperature resistant wave-transparent composite in project field, a quartz fiber (QF) reinforced novel silicon-containing polyarylacetylene (PSA) resin based composite (QF/PSA) was researched and characterized. Firstly, viscosity prediction model of different temperature and time was established based on the viscosity-time curves of the resin, the model indicates that the resin can be injected between 70~100℃ for resin transfer molding (RTM) process. The curing heat, FT-IR spectra and rheological behavior of the resin were analysized, then the curing temperature and process were revealed. The results show that the resin can be curved at 250℃. Based on the above research, the high-quality preparation of the composite was achieved. Furthermore, the micro-morphology, mechanical properties, thermal expansion performance, dielectric properties as well as high temperature resistant performance of the composite were investigated and verified by experiments. The composite exhibits excellent thermal stability with T_g above 500℃ and T5% up to 625℃, and quartz lamp experiment further indicates that the high temperature resistant ability is up to 520℃/1000 s. The dielectric constant is 3.1~3.2 and dielectric loss is less than 0.003. In addition, the mechanical property is enough for functional composite. The above research indicates that the novel silicon-containing polyarylacetylene resin based wave-transparent composite has high potentials in the fields of aeronautics and astronautics.
- silicon-containing polyarylacetylene resin,
- high temperature resistant,
- wave-transparent,
- composite,
- RTM,
- dielectric property
Long Abstrsct
Innovation Points

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References(28)

References

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