Effect of Nano SiO2 Particles on some Physical Properties of (UP/PU) Blend Composite

Effect of Nano SiO2 Particles on some Physical Properties of (UP/PU) Blend Composite

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The effect of SiO2 physical properties (Shore D hardness, impact strength, 3 pts Acerola Supplements bending, thermal conductivity, and weight gain) after and before immersion in different liquid solution (water, HCL 0.2 N , and NaOH 0.2 N), of (UP/PU) blend was studied.Hand lay-up technique was applied using unsaturated polyester and polyurethane blend as a matrix and silicon oxide nano particles (Nano SiO2) as a filler with volume fraction Developers And Photoconductor Units Pack (3% Vf ).Results showed that liquids affected bending properties and thermal conductivity (k) by decreasing values, while the impact strength, and weight gain also studied for 4 weeks and it increase with increasing of immersion time in liquids.