Effect of Plasticizers on Mechanical and Barrier Properties Switzerland

  • Effect of Plasticizers on Mechanical and Barrier Properties Switzerland
  • Effect of Plasticizers on Mechanical and Barrier Properties Switzerland
  • Effect of Plasticizers on Mechanical and Barrier Properties Switzerland
  • How do plasticizers affect the mechanical properties of a polymer film?
  • The addition of plasticizers affects the mechanical properties and WVP of a polymer film by altering the intermolecular interaction of polymer; also, the added plasticizers alter the moisture sorption behavior of resulting films which is an important factor in deciding the stability of edible film/coating.
  • Can Plasticizers improve the flexibility of biomimetic composites?
  • Regarding barrier properties, no difference was observed between the original and the plasticized composites. This study thus shows that the incorporation of plasticizers is an effective method to improve the flexibility of biomimetic composites without deleterious effect on their excellent barrier properties.
  • Why is plasticizer important for biopolymer film preparation?
  • Apart from polymer and solvent, the plasticizer is the other important ingredient for the preparation of biopolymer film in order to enhance the flexibility of polymers by reducing the glass transition temperature (Tg). Water is not only the most common solvent but it also acts as a plasticizer for natural biopolymer films.
  • Do hydrophobic plasticizers affect aqueous biopolymer film permeability?
  • Although the addition of hydrophobic plasticizers decreases the water adsorption by film, at the same time, phase separation and development of discontinuous zones during drying of the film are a common problem in aqueous biopolymer film, which further increases the water vapor permeability of film (Bodmeier & Paeratakul, 1997).
  • Is plasticization efficiency associated with the barrier properties of plasticized composites?
  • It is interesting to note that the barrier properties of the plasticized composites can be associated neither with the plasticization efficiency as seen for the polymer (cf. IL30_M versus Gly30_M), nor with the amount of plasticizer (cf. IL30_M versus IL10_M).
  • Do different glycerol concentrations affect G-plasticized films?
  • Subsequently, G-plasticized films exhibited better barrier and environmental properties than other starch-based biofilms. Overall, the present study showed that different glycerol concentrations affected the physical, structural, mechanical, thermal, and barrier properties of G-plasticized films.

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