Journal
CATALYSTS
Volume 8, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/catal8090393
Keywords
heterogeneous catalysis; metal-organic frameworks; zinc glutarate; terpolymerization; CO2; beta-butyrolactone; biodegradable polymers; poly(alkylene carbonates); poly(hydroxybutyrates)
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Funding
- Korea CCS RD Center
- Ministry of Education, Science and Technology of the Korean Government [2014M1A8A1049300]
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The terpolymerization of propylene oxide (PO), CO2, and a lactone is one of the prominent sustainable procedures for synthesizing thermoplastic materials at an industrial scale. Herein, the one-pot terpolymerization of PO, CO2, and beta-butyrolactone (BBL) was achieved for the first time using a heterogeneous nano-sized catalyst: zinc glutarate (ZnGA-20). The reactivity of both PO and BBL increased with the CO2 pressure, and the polyester content of the terpolymer poly (carbonate-co-ester) could be tuned by controlling the infeed ratio of PO to BBL. When the polyester content increased, the thermal stability of the polymers increased, whereas the glass transition temperature (T-g) decreased.
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