However, at 25 C, multilayer systems prepared with the higher
amount of PCL/PCM presented greater encapsulation efficiency and
thus, greater heat storage capacity, than those prepared with the
lowest deposition time, whatever the number of layers used during
film-formation. Once again, the presence of the additional layer of
PCL seems to protect the PCM, although this effect disappeared in
those prepared with the lowest amount of PCL/PCM fibres. It may
be noted that the heat storage capacity of the PS multilayer structures significantly decreased with the storage time at 25 C.