MATEC Web Conf.
Volume 67, 2016International Symposium on Materials Application and Engineering (SMAE 2016)
|Number of page(s)||6|
|Section||Chapter 6 Materials Science|
|Published online||29 July 2016|
Chain Extension and Thermal Behavior of Recycled Poly(Ethylene Terephthalate) Modified by Reactive Extrusion with Triphenyl Phosphite
State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
Reactive extrusion experiments of recycled PET fabrics (R-PET) were carried out in a Haake torque rheometer with triphenyl phosphite (TPP) and thermal behavior of modified R-PET was investigated by differential scanning calorimetry (DSC). The reaction mechanism which TPP acts as a cross-linker is verified by the experiment of phosphorus elemental analysis. DSC results show the presence of reaction residues may not modify melting temperature Tm and crystallization temperature Tc is controlled by the combined effect of molecular weight and reaction residues.
© The Authors, published by EDP Sciences, 2016
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