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Chemical Recycling of PET Waste from Soft Drink Bottles to Produce a Thermosetting Polyester Resin

Abu Bakar, Dayang Ratnasari and Ahmad, Ishak and Ramli, Anita (2006) Chemical Recycling of PET Waste from Soft Drink Bottles to Produce a Thermosetting Polyester Resin. [Citation Index Journal]

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Abstract

Poly(ethylene terephthalate) or PET waste from soft drink bottles was subjected to recycling by glycolysis. Characterization and identification were performed by the conventional method of hydroxyl and acid values, Differential Scanning Calorimetry (DSC) and Frourier Transform Infra Red (FTIR) techniques. It was found that the glycolysed product consists mainly of bis(hydroxyethyl) terephthalate (BHET) and its dimer. The glycolysed product was later polyesterified with maleic anhydride and then cross linked with styrene to produce a formulation for the resin. FTIR spectra also revealed the cross linking process between the polyester chain and styrene monomer, resulted in a final product with high densities of cross-linkages to form a network polymer. The cured resin exhibited thermal stability due to its fully curing.

Item Type:Citation Index Journal
Subjects:T Technology > TP Chemical technology
Q Science > QD Chemistry
Departments / MOR / COE:Departments > Fundamental & Applied Sciences
ID Code:3293
Deposited By: Assoc Prof Dr Anita Ramli
Deposited On:24 Nov 2010 00:37
Last Modified:19 Jan 2017 08:27

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