Effect of plasticizer pH and hydration on the Indonesia

  • Effect of plasticizer pH and hydration on the Indonesia
  • Effect of plasticizer pH and hydration on the Indonesia
  • Effect of plasticizer pH and hydration on the Indonesia
  • 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).
  • 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.
  • Does plasticizing efficacy of different plasticizers differ for HPMC film?
  • Plasticizing efficacy of different plasticizers was significantly different for HPMC film in studied concentration range.
  • Does plasticizer concentration affect monolayer moisture content?
  • From GAB parameter Mo, it was observed that the monolayer moisture content increased with an increase in plasticizer concentration for all three plasticizers and the Mo value was the highest for glycerol-plasticized film as compared to PEG- and sorbitol-plasticized films.
  • 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.
  • Why do plasticized HPMC films increase absorbance intensity?
  • It was observed that the absorbance intensity of peaks at 3419 and 2905 cm −1 increased considerably for plasticized HPMC films, possibly due to interaction of (–OH) group of plasticizer with alcoholic (–OH) and alkyl (–CH 3) group of HPMC.

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