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- W1167093217 abstract "The morphology, mechanical properties, and biodegradability of composite materials containing polylactide (PLA) and spent coffee grounds (SCG) were evaluated. Maleic-anhydride-grafted polylactide (PLA-g-MA) and treated, i.e. cross-linked, spent coffee grounds (TSCG) were used to enhance the desired characteristics of these composites. PLA-g-MA/TSCG materials exhibited desirable mechanical properties relative to those of PLA/SCG. This effect was attributed to greater compatibility between the grafted polymer and TSCG. The dispersion of TSCG in the PLA-g-MA matrix was highly homogeneous due to ester formation and resulted in branched and cross-linked macromolecules. Additionally, the PLA-g-MA/TSCG composites exhibited lower melt viscosities and were therefore more easily processed. The water resistance of the PLA-g-MA/TSCG composite was greater than that of PLA/SCG and the mass losses following burial in soil compost indicated that both materials were biodegradable, especially at high levels of SCG substitution. The PLA/SCG and PLA-g-MA/TSCG composites were more biodegradable than neat PLA." @default.
- W1167093217 created "2016-06-24" @default.
- W1167093217 creator A5090701944 @default.
- W1167093217 date "2015-11-01" @default.
- W1167093217 modified "2023-10-01" @default.
- W1167093217 title "Renewable resource-based green composites of surface-treated spent coffee grounds and polylactide: Characterisation and biodegradability" @default.
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- W1167093217 doi "https://doi.org/10.1016/j.polymdegradstab.2015.08.011" @default.
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