MATERIALS COMPRISING A MATRIX AND PROCESS FOR PREPARING THEM

摘要

The present invention is concerned with particulate material having a number average particle diameter of 1 µm-1 cm, exhibiting a solid-solid phase change, as measured by differential scanning calorimetry (DSC), in the temperature range -10 °C to +100 °C and comprising: a matrix material comprising a plurality of urethane and/or urea and/or isocyanurate groups and having a hardblock content of more than 75 % (hereinafter called matrix A); and a polymeric material. Process for making this material and the use of it as.