Effect of Plasticizers on Morphology Canada

  • Effect of Plasticizers on Morphology Canada
  • Effect of Plasticizers on Morphology Canada
  • Effect of Plasticizers on Morphology Canada
  • How is plasticization achieved in polymer morphology?
  • Plasticization is achieved by incorporating a plasticizer into polymer matrix, copolymerization, or blending. Among those, adding plasticizer is the most common and simplest way to modify polymer morphology. Plasticizer can lessen the intermolecular forces along the polymer chains. As a result, free volume was increased and T g was lowered.
  • How do plasticizers affect polymer morphology?
  • Among those, adding plasticizer is the simplest and most commonly used way to modify polymer morphology. Plasticizers can weaken intermolecular forces along the polymer chains, thus increasing free volume and lowering the glass transition temperature. For this reason, polymers with plasticizers have improved ductility.
  • Do plasticizers affect viscoelastic behaviour?
  • Later researchers have compared the effect of plasticizers at low concentrations with the similar effect brought about by physical ageing [ 9, 10, 11] in relation to changes in viscoelastic behaviour and increase in yield strength as function of temperature and strain rate [ 12, 13, 14 ].
  • Do plasticizers affect alginate-based films?
  • To the best of our knowledge, reviews in this regard are very rare in the literature. Some reviews on the effect of plasticizers are about improving the flexibility of the most common biopolymers such as PLA and starch [10, 11], but there is no dedicated article focusing the effect of plasticizers on alginate-based films, in particular.
  • How do plasticizers affect film mechanical properties?
  • Plasticizers affect film mechanical properties as well as barrier properties. Fatty acids such as lauric, miristic, palmitic, stearic, and oleic acids have been shown to reduce the WVP of hydroxy propyl methyl cellulose (HPMC) composite films (Jiménez et al., 2010).
  • How does plasticizer content affect cell morphology in polymer foaming?
  • With the increase of plasticizer content, the cell size of the foam increased from 9.30 μm (10 phr) to 12.75 μm (30 phr), and the expansion ratio increased from 2.33 (10 phr) to 3.36 (30 phr). This work has reference significance for the study of the regulation of cell morphology in the subsequent polymer foaming process.

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