نتایج جستجو برای: nano cellulosic fibers

تعداد نتایج: 122842  

A. Kardam K. Rohit Raj Sh. Srivastava,

The increased surface area-to-volume ratio of nanoparticles, quantum size effects and the ability to tune surface properties through molecular modification make nanostructures ideal for environmental remediation. The present piece of work reports the preparation and characterization of nano cellulosic fibers (NCFs) with further polymeric reinforcement using vinyl sulphonic acid for the remediat...

A. Kardam K. Rohit Raj Sh. Srivastava,

The increased surface area-to-volume ratio of nanoparticles, quantum size effects and the ability to tune surface properties through molecular modification make nanostructures ideal for environmental remediation. The present piece of work reports the preparation and characterization of nano cellulosic fibers (NCFs) with further polymeric reinforcement using vinyl sulphonic acid for the remediat...

2006
Weiping Ban Dimitris S. Argyropoulos Lucian A. Lucia

The physical and chemical properties of composite starch-based films containing cellulosic fiber, chitosan, and gelatin were investigated. Films containing both cellulosic fibers and chitosan demonstrated tremendous enhancements in film strength and gas permeation. The water absorbency of composite films could be greatly reduced in film composites containing cellulosic fibers and gelatin, but t...

Journal: :Advances in Materials Science and Engineering 2022

The use of bio-based materials has become a focus research nowadays. For the development new generations advanced resources, renewable and available resources must be combined with technologies. Researchers have looked into biomass waste cellulosic as sustainable sources for nano-crystalline cellulose extraction. Besides different treatment methods suitable various applications, this review aim...

Journal: :Journal of Mines, Metals and Fuels 2023

Bagasse is a fibrous material obtained after crushing sugarcane to extract its juice. this bagasse can be utilized produce cellulose nano-crystals for various applications. Researchers have been studying the manufacturing of nano-cellulose-based products and food packaging films. evolution environmentally friendly ecologically balanced materials has gotten lot interest as potential solution par...

2007
Martin A. Hubbe Richard A. Venditti Orlando J. Rojas

Both reversible and irreversible changes take place as cellulosic fibers are manufactured into paper products one or more times. This review considers both physical and chemical changes. It is proposed that by understanding these changes one can make better use of cellulosic fibers at various stages of their life cycles, achieving a broad range of paper performance characteristics. Some of the ...

Journal: :Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 1998
J L Pauly S J Stegmeier H A Allaart R T Cheney P J Zhang A G Mayer R J Streck

We report the results of studies undertaken to determine whether inhaled plant (i.e., cellulosic; e.g., cotton) and plastic (e.g., polyester) fibers are present in human lungs and, if so, whether inhaled fibers are also present in human lung cancers. Specimens of lung cancer of different histological types and adjacent nonneoplastic lung tissue were obtained from patients undergoing a lung rese...

2017
Kirsi Immonen Panu Lahtinen Jaakko Pere

Thermoplastic composite materials containing wood fibers are gaining increasing interest in the manufacturing industry. One approach is to use nano- or micro-size cellulosic fibrils as additives and to improve the mechanical properties obtainable with only small fibril loadings by exploiting the high aspect ratio and surface area of nanocellulose. In this study, we used four different wood cell...

2011
J. Y. Zhu Ronald Sabo Xiaolin Luo

This study demonstrates the feasibility of integrating the production of nano-fibrillated cellulose (NFC), a potentially highly valuable biomaterial, with sugar/biofuel (ethanol) from wood fibers. Commercial cellulase enzymes were used to fractionate the less recalcitrant amorphous cellulose from a bleached Kraft eucalyptus pulp, resulting in a highly crystalline and recalcitrant cellulose (RC)...

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