MF-UF copolymer in preparation of microcapsules containing HD as a phase change material

Melamine-formaldehyde/urea-formaldehyde microcapsules (MF-UF) were prepared by dispersion polymerization. The effect of comonomer amount i.e. UF on the properties of final microcapsules in terms of morphology, thermal stability and dynamical-mechanical properties were studied. SEM images showed that the UF content influences the formation of microcapsules and the lower the amount of UF, the rougher the surface of microcapsules. On the other hand, the increase in UF content resulted in lower thermal stability and higher damping ability of the resulting microcapsules.

Keywords:

Microcapsule , Melamine-formaldehyde , Urea-formaldehyde , Copolymer , Phase change matrial