Abstract
In this work thermal stability and tensile strength of polyurethanes obtained from glycolysates was investigated. The glycolysates were produced via glycolysis of waste polyurethane foam (PUR) in the reaction with 1,3-propylene glycol (PG). Polyurethanes were synthesized from the obtained intermediates by the prepolymer method using diisocyanate (MDI) and glycolysis product of molecular mass ranging from 700 to 1000, while 1,4-butylene glycol (BDO) was used as a chain elongation agent. The influence of NCO group concentration in prepolymer on tensile strength and elongation at break of polyurethanes was investigated using Zwick universal tensile tester.
Thermal decomposition of the obtained glycolysates and polyurethanes was followed by TG coupled with FTIR spectroscopy. The main products of thermal decomposition have been identified.
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Datta, J., Kacprzyk, M. Thermal analysis and static strength of polyurethanes obtained from glycolysates. J Therm Anal Calorim 93, 753–757 (2008). https://doi.org/10.1007/s10973-008-9140-x
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DOI: https://doi.org/10.1007/s10973-008-9140-x