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Tags: Materials Chemistry and Nanoscience Seminar

Polyhydroxyalkanoates, a class of biodegradable polyester made by fermentation, are explored via extrusion with various additives for the goal of improving mechanical properties. Two types of PHA are used, poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) with 6% hexanoate and 8% hexanoate, to understand how copolymer ratios affect properties. The two PHAs undergo blending and reactive extrusion with additives such as radical peroxide initiator, PLA…
Synthesis of complex solids is often a bottleneck of the materials by design concept. The limitations of conventional synthetic approaches resulted in inability to synthesize predicted materials in ternary and quaternary systems with drastically different reactivities of the constituent elements. Several strategies to advance synthesis and produce challenging phases will be discussed, such as averaging precursor reactivity by atomic mixing of…

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