Phase change solvents
US7524984B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 5, 2003 |
| Grant date | Apr 28, 2009 |
| Priority date | — |
| Expiry date | May 20, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/205
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
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 or crystallizes within the thermoplastic matrix. The phase change behavior of these materials produce blended compositions that exhibit lowered shear viscosity and lowered processing temperature without substantially compromising mechanical properties of the thermoplastic polymer. The present invention also relates to a method of improving the processability of a thermoplastic polymer using the phase change solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.