Stress-transfer analyses in cellulose nanofiber/montmorillonite nanocomposites with X-ray diffraction and chemical interaction between cellulose nanofiber and montmorillonite

Cellulose - Cellulose nanofiber is a promising material because of its eco-friendliness, high mechanical performance, and high functionality. Nanocomposites with cellulose nanofiber matrices and...     

Biodegradable CuI/BCNF composite thermoelectric film for wearable energy harvesting

Cellulose - Cellulose is the most widely distributed polymer material in nature and is considered a low-cost, green and recyclable material. Because of its excellent mechanical, optical and thermal...     

Phase-separation of cellulose from ionic liquid upon cooling: preparation of microsized particles

Cellulose - Cellulose is an historical polymer, for which its processing possibilities have been limited by the absence of a melting point and insolubility in all non-derivatizing molecular...     

Cellulose-based fiber spinning processes using ionic liquids

Cellulose - Cellulose, a natural, renewable, and environment friendly biopolymer, has been considered as a sustainable feedstock in the near future. However, only 0.3% of cellulose is today...     

Physical and chemical modifications of cellulose fibers for food packaging applications

Cellulose - Cellulose fibers have gained considerable interest for use as gas barriers and reinforcing fillers in food packaging materials because of their interesting properties, including...     

Freshwater-durable and marine-degradable cellulose nanofiber reinforced starch film

Cellulose - Cellulose can replace single-use petrochemical packaging; however, its lack of freshwater durability restricts its applicability. This study used a wet pulverization process to prepare...     

Influence of biological origin on the tensile properties of cellulose nanopapers

Cellulose - Cellulose nanopapers provide diverse, strong and lightweight templates prepared entirely from sustainable raw materials, cellulose nanofibers (CNFs). Yet the strength of CNFs has not...     

Design of antibacterial cellulose nanofibril film by the incorporation of guanidine-attached lignin nanoparticles

Cellulose - Cellulose nanofibril (CNF) films have attracted great attention in food packaging application due to their excellent mechanical strength and oxygen barrier properties. If antibacterial...     

A low-cost environmentally friendly approach to isolate lignin containing micro and nanofibrillated cellulose from Eucalyptus globulus bark by steam explosion

Cellulose - Micro- and Nano-Fibrillated Cellulose (MNFC) have gained increasing attention due to their remarkable properties, but their production usually requires an intensive multi-step process....     

Double-emulsion templated macroporous cellulose microspheres as a high-performance chromatographic media for protein separation

Cellulose - Cellulose microspheres are commonly chromatographic media yet seriously limited in biomacromolecules separation and purification due to the slow mass transfer kinetics resulting from...     

Pickering emulsions co-stabilised by cellulose nanofibres and nicotinamide mononucleotide

Cellulose - Emulsified solid particles adsorbed at the oil–water interface can stabilise Pickering emulsions by acting as a physical barrier to the coalescence of oil droplets. Cellulose...     

Modification of glycidyl methacrylate based cryogels by cellulose nanocrystals and determination of dye adsorption performance

Cellulose - Cellulose nanocrystal (CNC) modified poly(2-hydroxy ethyl methacrylate- glycidyl methacrylate) [poly(HEMA-GMA)] cryogels were prepared by base-catalyzed CNC addition. Resultant cryogels...     

Composites of polystyrene and surface modified cellulose nanocrystals prepared by melt processing

Cellulose - Cellulose nanocrystals (CNCs) were surface modified with benzoic acid anhydride (BzAnh) at room temperature in 48-h reaction time. FTIR spectroscopy confirmed the high degree of...     

Structure and Transport Properties of Films of Mixed Cellulose Esters

Cellulose acetomyristates of varied composition were studied. The sample volume abnormally increases in high-temperature stretching and after swelling in benzene. Cellulose acetomyristates can be used as membranes for separating aromatic and aliphatic hydrocarbons.     

COMMUNICATION: Culture conditions producing structure entities composed of Cellulose I and II in bacterial cellulose

Culture conditions for the production of Cellulose I and/or II structures have been investigated by transmission electron microscopy using smooth colonies of Acetobacter xylinum ATCC23769. Cells prepared from smooth colonies produce the band material composed of Cellulose II in phosphate buffer (pH 7) at 4 °C. In contrast, the same cells produce the normal twisting ribbons of Cellulose I when the incubation temperature is raised to 28 °C. The band material is also produced at 4 °C in 2% buffered glucose solution and in the standard Hestrin-Schramm medium. This revised version was published online in August 2006 with corrections to the Cover Date.     

One step in situ synthesis of Ag/AgCl nanoparticles in a cellulose nanofiber matrix for the development of energy storage paper

Cellulose - In the present work, we prepare Cellulose Nanofibers Films (CNFs) incorporating silver nanostructures (Ag/AgCl nanocubes) in a ratio of 1–20 wt% to the organic matrix. We found...     

Development of an integrated process to produce CNFs and lignin and its potential applications for agrochemical delivery

Cellulose - This work aimed to study the use of cellulose nanofibers (CNFs) from coir husk fibers to develop nanocomposite hydrogels. Cellulose and lignin were obtained from coir husk using the...     

Extended ensemble molecular dynamics study of cellulose I–ethylenediamine complex crystal models: atomistic picture of desorption behaviors of ethylenediamine

Cellulose - Cellulose I crystals swell on exposure to ethylenediamine (EDA) molecules to form a cellulose I–EDA complex, and successive extraction of EDA molecules converts the complex...     

Competing forces during cellulose dissolution: From solvents to mechanisms

Cellulose is a polymer so widely abundant and versatile that we can find it almost everywhere in many different forms and applications. Cellulose dissolution is a key aspect of many processes; the present treatise reviews the main achievements in the dissolution area. In particular, the main solvents used and underlying mechanisms are discussed. As is described, cellulose solvents are of highly different nature giving great challenges in the understanding and analyzing the subtle balance between different interactions. Recent work has much emphasized the role of cellulose charge and the concomitant ion entropy effects, as well as hydrophobic interactions.     

Studies concerning the accessibility of different allomorphic forms of cellulose

The supramolecular architecture and the morphological structure of cellulose play an important role in its accessibility. In order to evaluate the effect of the crystalline form of organization on the accessibility, we selected cellulosic materials with significant variations in the aforementioned characteristics. The assessment of the accessibility of cellulosic materials was performed experimentally through a water vapor sorption method. The kinetics and the thermodynamic parameters of water vapor sorption process were determined, and a correlation between the Flory–Huggins interaction parameters and the crystallinity index was derived. We concluded that the allomorph involving the most accessible crystal surfaces and amorphous regions was Cellulose II. The correlation of the accessibility values with those of the crystallinity index allowed us to evaluate the accessibility of the allomorphic forms of cellulose at different crystallinity indexes. The obtained experimental data allowed us to quantify the accessibility for crystal surfaces and amorphous regions of the different allomorphs in the order Cellulose II (38%) > Cellulose I (24%) > Cellulose III (10%).