Abstract
To prepare environmentally friendly PVA composite material, using easy crystallinity strong Hydrophilic and high strength Mulberry bark nano-cellulose whiskers with special optical properties, Rheological properties and mechanical behavior to make a NCW/PVA composite material with PVA by casting method. The Experiment indicates nano-cellulose whiskers have obvious reinforcing effect to the physical and mechanical properties of PVA. With the 6cm air layer, the Sound absorption coefficient increased clearly in medium low frequency sounds. Noise reduction coefficient (NRC) can be raised by 10%. Keeping Air cavity structure between the material and wall, the thermal insulation performance of the material with 3% NCW will be increased more.
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