Thermal and Oxidative Stability Thermosets Derived from Hybrids of Cyclosilazanes and Silicon-Containing Polyarylacetylene

Qian Hu; Hui Min Qi; Fan Wang; Ya Ping Zhu

doi:10.4028/www.scientific.net/AMR.1004-1005.286

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1004-1005Thermal and Oxidative Stability Thermosets Derived...

Thermal and Oxidative Stability Thermosets Derived from Hybrids of Cyclosilazanes and Silicon-Containing Polyarylacetylene

Abstract:

Oxidative stable hybrid thermosets derived from silicon-containing polyarylacetylene (PSA-V) and branched methylvinylcyclosilazane (b-MVSZ) have been prepared, and b-MVSZ was synthesized by coammonolysis reaction of methylvinyldichlorosilane and vinyltrichlorosilane, which was characterized by using GC-MS, FT-IR, ¹H NMR and GPC. The cure behaviors of PSA-V/b-MVSZ hybrids were investigated by DSC and the thermal and oxidative stabilities of the cured PSA-V/b-MVSZ hybrids were determined by TGA under nitrogen and air atmosphere. The results indicated that the PSA-V/b-MVSZ hybrids could be thermally cross-linked through the vinyl/ethynyl groups to form polymer networks. The cured PSA-V/b-MVSZ hybrids possessed high thermal stability, and with increasing the content of b-MVSZ, the thermooxidative stability of the hybrid materials was enhanced.

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Periodical:

Advanced Materials Research (Volumes 1004-1005)

Pages:

286-292

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1004-1005.286

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Online since:

August 2014

Authors:

Qian Hu*, Hui Min Qi, Fan Wang, Ya Ping Zhu

Keywords:

Cyclosilazanes, Hybrid, Silicon-Containing Arylacetylene Resin, Thermooxidative Stability

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