INFLUENCE OF POLY (METHYL METHACRYLATE) (PMMA) ON THE CYANATE ESTER RESIN (BADCY) MECHANICAL PROPERTIES AND THERMAL PROPERTIES

Abstract

Abstract: The materials were prepared on polymethyl methacrylate (PMMA) added into the bisphenol A type of cyanate ester resin (BADCy) by asynchronous synthesis method. The paper investigates the effects of weight of PMMA on the mechanical properties of the composites through flexural strength and fracture strength test and dynamic thermal mechanical analysis (DMA) testing,while using scanning electron microscopy (SEM) and Fourier transform infrared spectrometer (FTIR). The results show that PMMA composite material flexural strength and fracture strength were the largest and increased by 58.5% and 88.3%, compared with pure BADCy. When the weight of PMMA is 20%, PMMA and BADCy react during the grafting reaction, eliminating the phase separation of epoxy resin and BADCy. The glass transition temperature (Tg) remains substantially unchanged, while the low viscosity of the composite, cast molding can be helpful. The thermal properties of composite was studied through thermo-gravimetric analysis (TGA), differential scanning calorimetry (DSC). The results show that weight loss temperature and mass retention rate were basically unchanged, while heat curing reduced the controllability of reaction, compared with pure BADCy.

Key words: cyanate ester resin, polymethyl methacrylate, asynchronous synthesis, toughened, thermal stability

CLC Number:

HUANG Feng-ping, LI Chun-xue, ZHU Bao-lin, WANG Jun-long. INFLUENCE OF POLY (METHYL METHACRYLATE) (PMMA) ON THE CYANATE ESTER RESIN (BADCY) MECHANICAL PROPERTIES AND THERMAL PROPERTIES[J]. COMPOSITES SCIENCE AND ENGINEERING, 2015, 0(5): 27-32.

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