CA2861332A1-Plasticizer compositions and methods for making Mexico

  • CA2861332A1-Plasticizer compositions and methods for making Mexico
  • CA2861332A1-Plasticizer compositions and methods for making Mexico
  • CA2861332A1-Plasticizer compositions and methods for making Mexico
  • Why are plasticizers added to ca?
  • Plasticizers are added to CA to increase workability, prevent degradation under processing conditions and ensure thermo-mechanical properties suitable for the intended final application. Moreover, inexpensive and non-toxic solvents enable its processing into fibers, films, and solid blocks.
  • How can plasticizers be used in industrial applications?
  • External plasticization using low molecular weight plasticizers is the most widely applied approach in industrial applications. The glass transition temperatures and the mechanical properties (elastic modulus) of CA systems with different plasticizer contents are reported in Table 2.
  • What are low molecular weight plasticizers?
  • Low molecular weight plasticizers are added before or during the processing to reduce the melt processing temperature. However, these low molecular weight plasticizers may have some drawbacks, such as volatility, high water solubility, and insufficient compatibility with CA.
  • Which citrate esters are used as plasticizers in ca?
  • Other citrate esters reported as plasticizers in CA are tributyl citrate (TBC) and acetyl tributyl citrate (ATBC) , . When ATBC was used in CA, white and opaque films were obtained by casting. Further DSC analysis demonstrated the presence of a crystalline peak.
  • Do plasticizers increase elongation value of sodium caseinate film?
  • This behavior related to excess content of plasticizers. Audic and Chaufer reported similar effects of excess amount of triethanolamine and glycerol plasticizers on the elongation value of sodium caseinate film and also Siew and coworkers reported similar results for sodium caseinate films [14, 16].
  • Which plasticizers were used in the synthesis of polyethylene glycol (p2139)?
  • Triethanolamine (TEA; purity 99%, d = 1.12 kg/l) was used as the solvent and supplied from Merck (Darmstadt, Germany). Poly (ethylene glycol) (P2139, Mw = 8000 g/mol) and sorbitol (S1876, Mw = 182.17 g/mol) were used as the plasticizers and they were procured from Sigma-Aldrich (St. Louis, MO, USA).

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