نتایج جستجو برای: cellulose nanocrystals
تعداد نتایج: 39422 فیلتر نتایج به سال:
We developed a method for extracting CitCNCs from discarded cotton garments via esterification followed by mechanical fibrillation. LCA analysis, based on lab-scale data, guides strategies to minimize the environmental impact of CitCNC production.
Plant cellulose has a hierarchical structure with hemicelluloses and lignin in cell walls, forming natural composites at the nanometer/micrometer levels. The smallest elements next to cellulose molecules are cellulose microfibrils ~3 nm and several microns in width and length, respectively (Fig. 1). Each cellulose microfibril consists of 30-40 fully extended cellulose chains, and forms crystall...
© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim wileyonlinelibrary.com (1 of 10) 1604619 exiting the nozzle, is challenging. A viscoelastic response with a finite yield stress is required for filament patterning.[3] The shear-induced alignment of anisotropic building blocks, including carbon fibers,[4,5] silicon carbide whiskers,[5] alumina platelets,[3] and nanofibrillated cellulose (NFC)[6]...
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