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- W4312220632 endingPage "125623" @default.
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- W4312220632 abstract "CO2-based polycarbonates are among the most promising eco-friendly polymers with excellent biodegradability and biocompatibility. However, the poor performance of conventional CO2-based polycarbonates such as poly(propylene carbonate) (PPC) and poly(cyclohexene oxide) (PCHC) limits their application. Herein, a series of siloxane functionalized CO2-based polycarbonates were obtained via terpolymerization of carbon dioxide (CO2), propylene oxide (PO), and [2-(3, 4-epoxycyclohexyl)-ethyl] trimethoxysilane (TMSO) using a SalenCoCl/PPNCl catalyst system. A systematic study of these polycarbonate's thermal, mechanical, and surface properties was conducted by tuning the ratio between TMSO and PO. The siloxane units offered polycarbonate with a higher surface energy, resulting in a water contact angle of 110° and a significant improvement in glass transition temperature (Tg) and decomposition temperature (Td). Additionally, the micro-crosslinked structure formed by the hydrolysis and condensation of methoxysilane groups provided to the polycarbonate's remarkable mechanical strength, with a high tensile strength of 46 MPa. As a result, a novel CO2-based polycarbonate derived from cost-efficient silane coupling agents and CO2 has shown promising results as an alternative to rigid plastics used in industry." @default.
- W4312220632 created "2023-01-04" @default.
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- W4312220632 date "2023-01-01" @default.
- W4312220632 modified "2023-09-25" @default.
- W4312220632 title "Synthesis and characterization of siloxane functionalized CO2-based polycarbonate" @default.
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- W4312220632 doi "https://doi.org/10.1016/j.polymer.2022.125623" @default.
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