Palm oil deodorizer distillate as toughening agent in polylactide packaging films - INRAE - Institut national de recherche pour l’agriculture, l’alimentation et l’environnement Access content directly
Journal Articles Polymer international Year : 2016

Palm oil deodorizer distillate as toughening agent in polylactide packaging films

Alexandre Ruellan
  • Function : Author
Violette V. Ducruet
  • Function : Author
Audrey Gratia
  • Function : Author
Lidia Saelices Jimenez
  • Function : Author
Alain A. Guinault
Cyrille Sollogoub
Guillaume Chollet
  • Function : Author
Sandra S. Domenek

Abstract

Polylactide (PLA) is the most used biodegradable and biobased food packaging polymer for rigid containers and films. However, its low ductility is a hurdle for increasing its applications in flexible food packaging. A solution is the use of additives. Palm oil deodorizer distillate (PODC) is revealed to be an excellent additive promoting PLA ductility. PODC is a by-product of vegetable oil refining, which is available in stable quality and in sufficient amounts. Amorphous PLA/PODC blends had an elongation at break of around 130% and that of semi-crystalline blends was still around 55% compared to the initial 5% of neat PLA. At the same time the PLA rigidity and high glass transition temperatures were kept. PODC was also a very efficient processing aid, allowing for film blow extrusion. The blends were stable in properties during six months without exudation. They complied with legal norms of Food Contact Materials (EU 10/2011) and induced no sensorial alteration of packed food. Therefore PODC is a very interesting alternative to common plasticizers for the production of flexible PLA packaging films. © 2016 Society of Chemical Industry
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Dates and versions

hal-01567115 , version 1 (02-01-2023)

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Alexandre Ruellan, Violette V. Ducruet, Audrey Gratia, Lidia Saelices Jimenez, Alain A. Guinault, et al.. Palm oil deodorizer distillate as toughening agent in polylactide packaging films. Polymer international, 2016, 65 (6), pp.683-690. ⟨10.1002/pi.5114⟩. ⟨hal-01567115⟩
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