In-situ Copolymerization of Cyclic Poly(butylene terephthalate) Oligomers and e-CaprolactoneMacromolecules (2004)
Copolyesters were synthesized by using ring-opening polymerization of cyclic poly(butylene terephthalate) oligomers (c-PBT) and E-caprolactone monomer (CL) in the presence ofstannoxane catalyst at an elevated temperature. The in-situ copolymerization was conducted with various c-PBT/CL feed ratios. The copolyesters were characterized by GPC, NMR, and FT-IR techniques. Phase separation and the relaxation behavior of the resultant copolyesters were investigated by DSC, DMTA, and dielectric spectroscopy measurements. Mechanical properties (stress-strain behavior) are also reported and can be adjusted by varying the E-caprolactone content of the copolymer.
- In-Situ Copolymerization,
- Cyclic Poly(butylene terephthalate),
Citation InformationWilliam MacKnight. "In-situ Copolymerization of Cyclic Poly(butylene terephthalate) Oligomers and e-Caprolactone" Macromolecules Iss. 37 (2004) p. 6793 - 6800
Available at: http://works.bepress.com/william_macknight/237/