A modified type of wooden rosin created via esterification, it entails reacting wooden rosin with a polyhydric alcohol, reminiscent of glycerol or pentaerythritol. This chemical course of alters the unique properties of the rosin, leading to a cloth with enhanced traits. A typical instance consists of glyceryl abietate, the place glycerol reacts with abietic acid, a main element of wooden rosin, to kind the ester.
The modification course of supplies enhancements in properties like softening level, solubility, and stability. These enhancements are helpful in numerous functions as a result of they permit for better management over efficiency in last merchandise. Traditionally, rosin modification has been a key space of improvement to increase the usability of rosin past its uncooked kind, enabling its utility in additional demanding environments and formulations.