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首页> 外文期刊>Journal of Applied Polymer Science >Pinecone particles filled polybenzoxazine composites: Thermomechanical and mechanical properties
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Pinecone particles filled polybenzoxazine composites: Thermomechanical and mechanical properties

机译：Pinecone particles filled polybenzoxazine composites: Thermomechanical and mechanical properties

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摘要

In the current study, 1 wt, NaOH treated pine cone (ATPC) particles composites with bisphenol-A aniline based benzoxazine (BA-a) matrix were prepared by isothermal compression method. Ultimate impacts of ATPC reinforcement on the thermomechanical, tensile, flexural, and impact properties of the composites were studied by using a dynamic mechanical analyzer (DMA), a Universal testing machine, and a Tinius-Olsen impact device, respectively. The thermal stability of ATPC particles was remarkably increased, TGA confirmed that particles will not be degraded during the curing. The DMA results of 30 wt ATPC reinforced composites confirmed that the glass transition temperature, storage modulus, and loss modulus were 22 degrees C, 2510, and 250 MPa higher than the neat matrix, respectively. In addition, the impact strength of the 30 wt ATPC reinforced composites was nearly 3 times higher than the neat matrix, which confirmed that the matrix's brittleness is reduced, similar observation was confirmed by the Brostow and coworkers empirical model. Moreover, a gradual rise in the tensile and flexural properties was also recorded. We can easily conclude from the studied parameters that the ATPC particles can be used as a sustainable agro-waste in polymeric composites.

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