Zein as a versatile biopolymer: different shapes for different

                                               
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Natural-based plasticizers and biopolymer films: A review

                                               
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Ecovio (PBAT, PLA)

                                               
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Progress in bio-based plastics and plasticizing modifications

                                               
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Biopolymer film: An alternative to single-use plastic food packaging

                                               
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  • How do you choose a plasticizer for a polymer?
  • Proper selection of a plasticizer for a given polymer will allow optimization of the film mechanical properties with a minimum increase in film permeability. Common plasticizers for edible films and coatings, include monosaccharides, oligosaccharides, polyols, lipids, and derivatives.
  • Are biopolymers a good substitute for conventional plasticizers?
  • The use of natural and/or biodegradable plasticizers, with low toxicity and good compatibility with several plastics, resins, rubber and elastomers in substitution of conventional plasticizers, such as phthalates and other synthetic conventional plasticizers attracted the market along with the increasing worldwide trend towards use of biopolymers.
  • Why are plasticizers important in biopolymer-based films & coatings production?
  • In biopolymer-based films and coatings production, plasticizers are also essential additives since they can improve flexibility and handling of films, maintain integrity and avoid pores and cracks in the polymeric matrix .
  • What are biodegradable plasticizers?
  • Biodegradable plasticizers such as soybean oil (SO), epoxidized soybean oil (ESO), dibutyl phthalate (DBP) and triethyl citrate (TEC) were added to poly (3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) films, enhancing their thermal and mechanical properties. TEC or DBP presented better plasticizing effects than SO and ESO for PHBV .
  • What are natural based plasticizers?
  • Nowadays, there is increasing interest in the use of natural-based plasticizers that are characterized by low toxicity and low migration. This group includes epoxidized triglyceride vegetable oils from soybean oil, linseed oil, castor-oil, sunflower oil, and fatty acid esters (FAEs) .
  • Which plasticizer has the highest permeability?
  • Furthermore, Gly gave higher OP than Sor in WPI films (McHugh and Krochta, 1994b), LAC, and RC films (Chick and Ustunol, Ï 998). Thus, Gly generally appears to be the most effective plasticizer in terms of tensile properties, but also gives the highest permeability.