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The hydrolytic behavior of monolayers of enantiomeric poly(lactide)s (PLAs), d-PLA and l-PLA, and their mixtures spread at the air/water interface has been studied in order to elucidate the hydrolytic stability on the stereocomplex formation of enantiomeric components. The rate of hydrolysis was recorded by a change of occupied area when the monolayer is maintained at a constant surface pressure....
An oriented morphology has been generated by shear aligning a triblock copolymer SIS below its order–disorder transition (ODT) temperature. Elongational flow deformation was conducted on a polystyrene-block–polyisoprene-block–polystyrene (SIS) triblock copolymer having soft spherical microdomains composed of polyisoprene block chains in a hard matrix of polystyrene block chains with extensional rheometer...
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