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Preparation and Properties of Modified Silicon-containing Arylacetylene Resin Composite Reinforced by Carbon Fiber Cloth |
Tangjun YANG, Sikun DONG, Qiaolong YUAN( ), Farong HUANG |
Key Laboratory for Specially Polymeric Materials and Related Technology of the Ministry of Education , East China University of Science and Technology, Shanghai 200237, China |
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Cite this article:
Tangjun YANG, Sikun DONG, Qiaolong YUAN, Farong HUANG. Preparation and Properties of Modified Silicon-containing Arylacetylene Resin Composite Reinforced by Carbon Fiber Cloth. Chinese Journal of Materials Research, 2018, 32(6): 464-472.
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Abstract Silicon-containing aryl propargyl ether of bisphenol A (SAPE-BA) and silicon-containing aryl propargyl ether of diphenyl ether (SAPE-DPE) were synthesized and characterized. Then they were used to modify the silicon-containing arylacetylene resin (PSA) respectively by blend process. The modified PSA resins (PSA/SAPE-BA and PSA/SAPE-DPE) were reinforced with T300 carbon fabric to form composites of PSA resins by hot press. The processability, thermal stability, and the mechanical properties of the modified resins and their composites were further investigated. Results show that the modified PSA resins have not only good processing performance, but also high heat-resistance. In comparison with the cured simple PSA resin, the temperature at which 5% mass loss (Td5) of the two cured modified PSA resins in nitrogen were higher than 550℃ and 590℃, respectively, and the Tg of the cured modified PSA resins were higher than 500℃; The flexural strength of the cured modified resins, PSA/SAPE-BA and PSA/SAPE-DPE increased by 78.3% and 54.2%, respectively. While in comparison with the composite of T300 carbon fabric (T300CF) reinforced simple PSA, the flexural strength and interlayer shear strength (ILSS) of the composite of T300 carbon fabric (T300CF) reinforced PSA/SAPE-BA resin increased by 38.4% and 33.5%, and the flexural strength and ILSS of the composite of T300CF reinforced PSA/SAPE-DPE resin increased by 23.4% and 21.8%, respectively.
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Received: 20 October 2017
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Fund: Supported by the Fundamental Research Funds for the Central Universities (No. 222201717001) |
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