Study of Properties of Quartz/POSS Modified Silicone Wave-transparent Materials

doi:10.3969/j.issn.1000-1093.2015.12.019

Abstract

Abstract: A kind of wave-transparent composite is made by using glycidyl POSS as modifier, poly(methylphenylsiloxane) as matrix resin, quartz fiber as reinforcing agent，and its mechanical and dielectric properties are studied. The results show that the compressive strength and bending strength of quartz/POSS modified silicone composite are 71.4 MPa and 137.0 MPa, respectively. The composite has excellent dielectric properties with dielectric constant of less than 3.3 and dielectric dissipation factor of less than 0.007 at 8.7 GHz and temperature from room temperature to 600 ℃. It is a multifunctional composite, including heat protection, wave-transmission and load carrying.

Key words: composite, silicone resin, POSS, wave-transparent composite, mechanical property, dielectric property

CLC Number:

TB332

WEI Hua-zhen, LI Ying, KONG Guo-qiang. Study of Properties of Quartz/POSS Modified Silicone Wave-transparent Materials[J]. Acta Armamentarii, 2015, 36(12): 2350-2357.

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