Integrated process of supercritical CO2-assisted melt polycondensation modification and foaming of poly(ethylene terephthalate)

2013 ◽  
Vol 74 ◽  
pp. 70-79 ◽  
Author(s):  
Hua Zhong ◽  
Zhenhao Xi ◽  
Tao Liu ◽  
Zhimei Xu ◽  
Ling Zhao
Keyword(s):  
Supercritical Co2 ◽  
Ethylene Terephthalate ◽  
Integrated Process ◽  
Melt Polycondensation ◽  
Poly Ethylene Terephthalate ◽  
Poly Ethylene

Kinetics of Mass Transfer in the Melt Polycondensation of Poly(Ethylene Terephthalate)

1985 ◽  
Vol 22 (10) ◽  
pp. 1413-1427 ◽  
Author(s):  
Gerald Rafler ◽  
Gerhard Reinisch ◽  
Eckhard Bonatz ◽  
Heinz Versaumer ◽  
Herbert Gajewski ◽  
...  
Keyword(s):  
Mass Transfer ◽  
Ethylene Terephthalate ◽  
Melt Polycondensation ◽  
Poly Ethylene Terephthalate ◽  
Poly Ethylene ◽  
Kinetics Of

scholarly journals Synthesis of a Bio-based and Biodegradable Poly(ethylene-co-isosorbide [2,2'-bithiophene]-5,5'-dicarboxylate) with enhanced Thermal and Degradability Properties

2021 ◽  
Author(s):  
Dasilva Wandji ◽  
Naomie Beolle Songwe Selabi
Keyword(s):  
Ethylene Terephthalate ◽  
Tensile Modulus ◽  
Barrier Properties ◽  
The Novel ◽  
Melt Polycondensation ◽  
Poly Ethylene Terephthalate ◽  
Ligand Free ◽  
Biodegradable Poly ◽  
Palladium Catalyzed ◽  
Poly Ethylene

Abstract In this investigation, a synthetic biopolymer prepared from bithiophene monomer, isosorbide and ethylene glycol, was synthesized through melt polycondensation. The result showed the polyesters to possess promising thermal and mechanical properties. The bithiophene monomer, [2,2'-bithiophene]-5,5'-dicarboxylicacid acid, was synthesized from a palladium-catalyzed, phosphine ligand-free direct coupling protocol, using polyethylene glycol palladium (Pd/PEG) as catalyst. The procedure was found effective at polymerizing the bithiophene monomer with isosorbide and glycol. The bithiophene polyester displayed several intriguing properties among good thermal resistance, crystallinity and high tensile modulus. Additionally, the bithiophene monomer coupled to isosorbide enhanced the polyester with a comparatively high glass transition temperature. Films cast out these polyesters display excellent oxygen and water barrier properties, and were interestingly superior to those of poly(ethylene terephthalate). Moreover, the novel polyester also has good soil degradability properties.

Phase equilibrium characteristics of supercritical CO2/poly(ethylene terephthalate) binary system

2008 ◽  
Vol 109 (5) ◽  
pp. 2836-2841 ◽  
Author(s):  
Zhi-Yi Li ◽  
Ting-Yu Meng ◽  
Xue-Wu Liu ◽  
Yuan-Jing Xia ◽  
Da-Peng Hu
Keyword(s):  
Phase Equilibrium ◽  
Binary System ◽  
Supercritical Co2 ◽  
Ethylene Terephthalate ◽  
Poly Ethylene Terephthalate ◽  
Poly Ethylene
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