Modification of DABA/BMI Composites by Silane Compound and Fumed SiO2

Nazakat Alia; Qiu Yu Zhang; Yin Wu; Ying Chen

doi:10.4028/www.scientific.net/AMR.622-623.1006

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 622-623Modification of DABA/BMI Composites by Silane...

Modification of DABA/BMI Composites by Silane Compound and Fumed SiO₂

Abstract:

In this present investigation, at ﬁrst, Dially bisphenol A (DABA)/Bismaleimide (BMI) system was modiﬁed with gamma-aminopropyltriethoxy silane (KH550). The objective of the work was to study the effect of addition of various weight percentages of KH550 into BMI/DABA composites on its mechanical properties, thermal properties and morphorogy. Further modification was carried out with fumed silica. The role of KH550 was discussed in these composites prepared. Nancomposites were characterized by differential DSC, TGA, and scanning electron microscopy SEM. TGA results conﬁrmed that the heat stability of the nano composite DABA/BMI/KH550 is improved compared with DABA/BMI system. SEM results indicated that the fumed silica dispersed homogeneously in DABA/BMI/KH550 matrix on nanoscale. Mechanical results shows that newly developed system has improved bending modulus to 4.0GPa, while with incorporation of fumed SiO₂ impacted strength also improved to 20.60kJ/m².

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Periodical:

Advanced Materials Research (Volumes 622-623)

Pages:

1006-1013

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.622-623.1006

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Online since:

December 2012

Authors:

Nazakat Alia, Qiu Yu Zhang, Yin Wu, Ying Chen

Keywords:

Bismaleimide (BMI), Fumed Silica, Gamma-Aminopropyltriethoxy Silane (KH550)

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