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Xylans, an important sub-class of hemicelluloses, represent a largely untapped resource for new renewable materials derived from biomass. As with other carbohydrates, nanocellulose reinforcement of xylans is interesting as a route to new bio-materials. With this in mind, birch wood xylan was combined with nanofibrillated cellulose (NFC) and films were cast with and without glycerol, sorbitol or methoxypolyethylene...
The biodegradable polymer poly(l-lactide) (PLLA) was introduced for the fabrication of micromechanical devices. For this purpose, thin biopolymer films with thickness around 10μm were spin-coated on silicon substrates. Patterning of microcantilevers is achieved by nanoimprint lithography. A major challenge was the high adhesion between PLLA and silicon stamp. Optimized stamp fabrication and the deposition...
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