Study of the Chemical Adsorption Property of Allylsilylazobenzene in the Surface Modification of Nanoporous Alumina Membrane
p.46
p.46
Preparation of Crystalline Turbostratic Boron Nitride Nanoparticles by Combination of Precursor Compound Formation and Impurity Segregation from Boric Acid and Urea
p.55
p.55
Effect of Molecular Structure of Polyols with Different Molecular Characteristics on Synthesis of Boron Carbide Powder
p.61
p.61
Effective Synthesis and Isomerization of Cyclotetrasiloxanetetraol
p.66
p.66
Effect of Blending Asymmetry for Poly(L-Lactic Acid)/Poly(D-Lactic Acid) on Structural Change during Heating
p.71
p.71
Effect of Metal Modification to Carbon Paper Anodes on the Performance of Yeast-Based Microbial Fuel Cells Part Ι: In the Case without Exogenous Mediator
p.76
p.76
Effect of Metal Modification to Carbon Paper Anodes on the Performance of Yeast-Based Microbial Fuel Cells Part ΙΙ: In the Case with Exogenous Mediator, Methylene Blue
p.82
p.82
Development of Particle Packed Bed Type Chromatography Using Dielectrophoresis
p.88
p.88
Analysis of Electrical Property of the Animal Cell Using Dielectrophoresis Levitation
p.93
p.93
Effect of Blending Asymmetry for Poly(L-Lactic Acid)/Poly(D-Lactic Acid) on Structural Change during Heating
Abstract:
Stereo-complex (Sc) crystallinity and corresponding melting characteristics of poly (L-lactic acid)/poly (D-lactic acid) blend films depend on blending asymmetry. Two different mechanisms for Sc-crystallization are observed in this study. The symmetrical blend of PLLA/PDLA=50/50 gives a combination of α-form melting and subsequent Sc-crystallization during heating. In contrast, the asymmetrical blend of 75/25 film exhibits solid transformation from α-form into Sc-form due to molecular slippage without melting.
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Info:
Periodical:
Key Engineering Materials (Volume 534)
Pages:
71-75
Citation:
Online since:
January 2013
Authors:
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