LeachingofthePlasticizer Acetyl Tributyl Citrate: (ATBC) South Africa

  • LeachingofthePlasticizer Acetyl Tributyl Citrate: (ATBC) South Africa
  • LeachingofthePlasticizer Acetyl Tributyl Citrate: (ATBC) South Africa
  • LeachingofthePlasticizer Acetyl Tributyl Citrate: (ATBC) South Africa
  • Does acetylation modification affect the plasticization properties of citrates?
  • In this work, the effects of acetylation modification on the plasticization properties of citrates (triethyl citrate (TEC), acetyl triethyl citrate (ATEC), tributyl citrate (TBC) and acetyl tributyl citrate (ATBC)) were investigated by using a combination of characterization techniques and molecular dynamics (MD) simulation.
  • Does DMTA change the glass transition temperature of PBAT compared to PLA?
  • DMTA tests were carried out in order to evaluate the shift in the glass transition temperature ( Tg) of the two polymers with the increasing amount of ATBC. The major shift in the Tg was observed for PLA rather than PBAT, which has led to the deduction of a greater affinity of the ATBC towards the PLA rather than the PBAT.
  • What is the preferential distribution of ATBC in PLA-PBAT blends?
  • The preferential distribution of ATBC in PLA-PBAT blends was studied. DMTA analysis is a useful and accurate tool to evaluate the shift of the Tg of individual phases in polymers blends. This study reveals a preferential distribution of ATBC in the PLA phase rather than in the PBAT phase.
  • How does ATBC affect TCC and melting temperature?
  • The addition of ATBC affects both the PLA cold crystallisation temperature ( Tcc) and melting temperature ( Tm ), causing a shift towards lower temperature as confirmed by the results observed in other similar cases [ 20, 78 ].
  • Is ATBC preferential in PBAT phase?
  • DMTA analysis is a useful and accurate tool to evaluate the shift of the Tg of individual phases in polymers blends. This study reveals a preferential distribution of ATBC in the PLA phase rather than in the PBAT phase. The Solubility Parameters and the partition coefficient of ATBC confirmed its preferential distribution in the PLA phase.

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