Abstract:Moisture absorption of polyurethane foams (PUFs) lead to its plasticization and swelling deformation, which can affect its precise installation in precision instruments for engineering applications. In addition, changes in mechanical properties after moisture absorption can affect its safety in service in some vibration damping applications. Herein, a series of foams with different compositions were prepared, and the factors influencing the hygroscopicity of polyurethane foams and the mechanism of hygroscopici… Show more
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