Features of Uniaxial Tension of Amorphous Poly-L-Lactic Acid in Liquid Mediaстатья
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Дата последнего поиска статьи во внешних источниках: 2 апреля 2015 г.
Аннотация:In this work, it is shown for the first time that the deformability of amorphous glass polyLlactic acid considerably increases in the presence of liquid adsorptionactive media: to 100–150% in n-heptane and to 500% in ethanol. Large plastic deformations are developed by the crazing mechanism and accompanied by the formation of a fibrillar–porous structure. The tension to high degrees of deformation (more than 300%) in alcohols results in intense crystallization of PLA films.