Research Article

Tailor-Made, Linear, and “Comb-Like” Polyester-Based Copolymers: Synthesis, Characterization, and Thermal Behavior of Potential 3D-Printing/Electrospinning Candidates

Table 1

Chemical and thermal characterization of synthesized linear PCL and PDMS-OH homopolymers, and PCL-based copolymers.

Polymer(a)/g mol−1(a)(b)(c)/°C(c)/°C(c)/°C(c)/°C(d)/°C(d)/kJ mol−1

PCL11,0001.141−66.055.9341.5217.6
PDMS-OH13,0001.07−44.9340.0102.1
SCL120,0001.360.35−59.1−42.450.4205.1147.4
SCL221,3001.330.39−59.6−43.451.1247.3142.3
SCL325,0001.450.48−59.9−43.947.3241.9152.6
SCL465,0001.540.80−62.1−45.254.8195.7172.7
HEMACL132,3001.190.89−63.368.741.1231.6132.5
HEMACL238,6001.130.93−63.167.938.2227.4134.7
HEMACL346,0001.110.97−63.468.242.9225.3131.4

(a)Number average molar mass () and polydispersity () determined by SEC and 1H-NMR; (b)weight fraction of PCL in the block copolymer determined by 1H-NMR; (c)glass-transition temperature () and melting temperature () determined by DSC; (d)5% thermal degradation temperature (T0.05) and activation energy for degradation () determined by MTGA.