Table 2.

Zero-shear viscosity (${\mathsf{\eta }}_{\mathrm{o}}$ ) and relaxation time (λ) for PLA processed using the TSE and QSE.

	Screw Speed (rpm)	Screw Configuration	ηo (Pa·s)	λ (ms)
Unprocessed PLA	-	-	5672 ± 35	76.1 ± 14.0
TSE	400	no KB	4806 ± 216	56.5 ± 22.8
		KB	4356 ± 57	51.8 ± 27.5
	1000	no KB	5332 ± 68	75.8 ± 1.7
		KB	5137 ± 182	66.8 ± 16.8
QSE	400	no KB	4276 ± 53	47.5 ± 9.2
		KB	4051 ± 42	35.4 ± 3.3
	1000	no KB	4713 ± 140	63.8 ± 11.4
		KB	4373 ± 210	52.8 ± 9.2