Synthesis and Characterizations of Poly(trimethylene terephthalate)-b-poly(tetramethylene glycol) Copolymers

Table 3

DSC melting and crystallization parameters of the various samples.

PTT/PTMEG; (wt%/wt%)	First heating process								Cooling process
	𝑇𝑔1; (°C)	𝑇𝑔2; (°C)	𝑇cc; (°C)	𝑇re; (°C)	Δ𝐻re; (J·g^−1)	𝑇𝑚1; (°C)	𝑇𝑚2; (°C)	Δ𝐻𝑚; (J·g^−1)	𝑇𝑐; (°C)	Δ𝐻𝑐; (J·g^−1)	FWHP; (°C)
C0-100/0	—	49.3	67.8	199.3	−7.05	—	229.2	62.01	202.8	−57.88	8.6
C1-83/17	—	26.4	49.7	188.3	−5.37	208.6	221.8	48.96	191.4	−41.69	8.7
C2-66/34	−64.5	24.7	—	166.7	−3.48	199.8	206.7	42.41	185.3	−40.83	12.7
C3-40/60	−67.7	22.5	—	—	—	—	180.7	25.19	160.8	−15.81	13.9