![]() Nanoparticles (NPs) are widely investigated in academia as well as used in industry in many different applications like medicine or optoelectronics due to their unique size- and shape-dependent optical properties. ![]() It shows also that solubility parameters have to be selected carefully, since their usefulness depends strongly on the polymer properties. The present work shows that solubility parameters are a helpful tool for the search for suitable solvents. Complete dissolution of PVC was not achieved at any temperature with MEK. ![]() Traces of PVC remained on the PET fibers when DMF was used. THF dissolved PVC at 20 ☌, while cyclohexanone and cyclopentanone did so at 40 ☌. Tetrahydrofuran (THF), methyl ethyl ketone (MEK), N,N-dimethylformamide (DMF), cyclohexanone, and cyclopentanone were tested for separating PVC from PET at different temperatures. Only Gutmann’s electron acceptor–donor parameter (AN + DN) and the Kamlet–Taft parameters β and π* could describe the PVC-solvent system satisfactorily. For this purpose, Gaussian plots of the PVC swellability versus solubility parameter were used to decide the applicability of the solubility parameter system. The results were compared with those obtained using the Hansen, Gutmann, Swain, E We investigated the solubility of PVC in 30 solvents using swelling tests. Poly(vinyl chloride) (PVC) in PVC-coated poly(ethylene terephthalate) (PET) fabrics can be separated through dissolution in a suitable solvent, leaving only the PET fibers.
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