Organic/Inorganic Acoustic-Absorbing/Thermal Insulating Fiber-Reinforced PU Composite Foam Boards

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Abstract
As technology expands rapidly, scientific productions have become an indispensable part for human daily life. Hence, human begin to value environment comfort and functional property. This study purposes to add reinforcing materials, carbon fiber and glass fiber, into polyurethane (PU) foam solvent, and to form PU foam composite board after foaming and curing process. The foaming density and reinforcing fiber were altered during process. The burst strength, acoustic absorption and thermal conductivity of resulting organic/inorganic fiber-reinforced PU composite foam boards were evaluated. Result displays that, 5 wt% additions of carbon fibers improved burst strength and thermal insulation, and maintained the original acoustic absorbing characteristic.