2009
DOI: 10.1515/polyeng.2009.29.4.199
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Synthesis of Unsaturated Polyester from Glycolyzed PET Waste and Characterization

Abstract: Waste polyethylene terephthalate (PET) is glycolyzed along with virgin PET. A higher proportion of virgin PET in the mixture has the ability to consume more glycols during glycolysis. This gives rise to a glycolyzed PET (GPET1), which contains a lesser amount of free glycol and shows the highest hydroxyl value. During polyesterification of the polyester diol (glycolyzed PET) with maleic acid, the degree of polymerization (DPn), extent of reaction and acid value is observed to be increasing with an increase in … Show more

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“…The extent of the reaction ( p) and average degree of polymerization (DP n ) are represented as (Katoch et al 2009).…”
Section: Measurement Of Extent Of Reaction and Degree Of Polymerizationmentioning
confidence: 99%
“…The extent of the reaction ( p) and average degree of polymerization (DP n ) are represented as (Katoch et al 2009).…”
Section: Measurement Of Extent Of Reaction and Degree Of Polymerizationmentioning
confidence: 99%