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Comprehensive elucidation of the effect of residual lignin on the physical, barrier, mechanical and surface properties of nanocellulose films
We elucidate the effect of residual lignin on the interfacial, physical and mechanical properties of lignocellulose nanofibrils (LCNF) and respective nanopapers. Fibers containing ∼0, 2, 4, and 14
Nanofiber composites of polyvinyl alcohol and cellulose nanocrystals: manufacture and characterization.
The elastic modulus of the nanocomposite mats increased significantly as a consequence of the reinforcing effect of CNs via the percolation network held by hydrogen bonds, but this organization-driven crystallization was limited as observed by the reduction in the degree of crystallinity of the CN-loaded composite fibers.
Effect of moisture on electrospun nanofiber composites of poly(vinyl alcohol) and cellulose nanocrystals.
Results indicated that the stabilizing effect of the CNs in the PVA matrix might be compromised by water absorption, disrupting the hydrogen bonding within the structure, and a reversible recovery in mechanical strength after cycling the relative humidity.
Reinforcing Poly ( ε-caprolactone ) Nanofibers with Cellulose Nanocrystals
We studied the use of cellulose nanocrystals (CNXs) obtained after acid hydrolysis of ramie cellulose fibers to reinforce poly(ε-caprolactone) (PCL) nanofibers. Chemical grafting with
Reinforcing poly(epsilon-caprolactone) nanofibers with cellulose nanocrystals.
Compared to the case of grafted nanocrystals, the unmodified ones imparted better morphological homogeneity to the nanofibrillar structure as well as thermal and mechanical properties of filled and unfilled nanofibers after reinforcement with unmodified CNXs.
All-Cellulose Composite Fibers Obtained by Electrospinning Dispersions of Cellulose Acetate and Cellulose Nanocrystals
All-cellulose composite fibers were produced by electrospinning dispersions containing cellulose acetate (CA) and cellulose nanocrystals (CNCs). Precursor polymer matrices were obtained after
Significance of xylan on the stability and water interactions of cellulosic nanofibrils
Abstract In this paper, the significance of xylan on the behaviour of kraft birch pulp based nanofibrillated cellulose (CNF) is discussed. The influence of CNF xylan content on fibril morphology,
Crosslinked PVA Nanofibers Reinforced with Cellulose Nanocrystals: Water Interactions and Thermomechanical Properties
Acid-catalyzed vapor phase esterification with maleic anhydride was used to improve the integrity and thermo-mechanical properties of fiber webs based on poly(vinyl alcohol), PVA. The fibers were
Lignin-based hydrogels with "super-swelling" capacities for dye removal.
These lignin-based hydrogels with high swelling capabilities have potential to be used as adsorbents for the removal of organic dyes from waste water and the higher the water uptake the poorer mechanical performance.
Conversion economics of forest biomaterials: risk and financial analysis of CNC manufacturing
Commercialization of cellulose nanocrystals (CNC) presents opportunities for a wide range of new products. Techno-economic assessments can provide insightful information for the efficient design of