Phase change solvents for thermoplastic polymers to provide blended compositions. Above the phase change temperature of the solvent, the phase change solvent solubilizes or intimately mixes with the thermoplastic polymer. Below the phase change temperature of the solvent, the phase change solvent solidifies...http://www.google.fr/patents/US7524984?utm_source=gb-gplus-shareBrevet US7524984 - Phase change solvents
