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Preparation of Polymer-modified Mortars with Recycled PET and Their Sound Absorption Characteristics  

Hong, Byung-Pyo (Department of Chemical System Engineering, Keimyung University)
Byun, Hong-Sik (Department of Chemical System Engineering, Keimyung University)
Publication Information
Polymer(Korea) / v.34, no.5, 2010 , pp. 410-414 More about this Journal
Abstract
Two different types of polymer-modified mortars(PMM) were prepared with recycled PET and fly-ash. One is rigid PMM and the other is flexible PMM which are based on the composition of recycled PET. Their mechanical properties including friction coefficient measurement and damping characteristics such as sound absorption were investigated and compared with the commercial PMM such as epoxy PMM and PET PMM. The result from mechanical properties indicated that the rigid PMM could be competitive with the commercial PET PMM. The measurement of sound absorption coefficient showed that both rigid PMM and flexible PMM had much better damping capacity than commercial PMM. However, the friction coefficient of rigid PMM revealed that it would be suitable for the use as floor material.
Keywords
polymer-modified mortar; recycled PET; fly-ash; sound absorption coefficient;
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