Dinuclear indium catalyst [(NNHO)InCl]2(μ-Cl)(μ-OEt) (1) for the living, enantioselective ROP of LA [Labourdette et al. (2009)].
Formation of PLA samples with known L-LA:D-LA ratios.
The intrinsic viscosities of PLAs studied versus molecular weight at 25 °C. The slope of the straight line is 0.75 (Mark Houwink slope) implying good-solvent conditions.
Characteristic radius of R h (a) and R g (b) as a function of molecular weight.
Master curve of the linear viscoelastic moduli, and and complex viscosity of L50D 22 at the reference temperature of 150 °C.
The horizontal shift factors, a T for PLAs listed in Table I at the reference temperature of 150 °C. The dotted line represents single fitting of the data.
(a) The storage modulus of L50D samples (b) the loss modulus of L50D samples at 150 °C.
The scaling between the zero-shear viscosity and molecular weight of PLAs at the reference temperature of (a) 150 °C (b) 180 °C.
The PM along with the relaxation spectrum of L50D 22 at 150 °C.
Continuous relaxation spectra for L50D at 150 °C plotted with various molecular weights.
Scaling between longest relaxation time and molecular weight of PLAs.
Tensile stress growth coefficient as a function of time measured at various Hencky strain rates for L50D 22 at (a) 90 °C; (b) 110 °C; and (c) 130 °C.
Step-strain relaxation tests performed at different strain values for L50D 22 at 150 °C.
The damping functions of L50D 22 at 150 °C. Symbols are experimental data, whereas the dashed line represents the function form in Eq. (10).
PLA samples by ROP of LA catalyzed by 1.a
Generalized Maxwell model parameters (g i , λ i ) for sample L50D 22 at different temperatures.
The longest relaxation times for L50D 22 at various temperatures.
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