Academic literature on the topic 'Carboxymethyl cellulose (CMC) solutions'

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Journal articles on the topic "Carboxymethyl cellulose (CMC) solutions"

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Lee, Jung Myoung, John A. Heitmann, and Joel J. Pawlak. "Rheology of carboxymethyl cellulose solutions treated with cellulases." BioResources 2, no. 1 (2007): 20–33. http://dx.doi.org/10.15376/biores.2.1.20-33.

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The effect of cellulase treatments on the rheology of carboxymethyl cellulose (CMC) solutions was studied using a rotational viscometer. The rheological behaviors of CMC solutions of different molecular mass and degrees of substitution where studied as a function of time after various treatments. These solutions were subjected to active and heat-denatured cellulase, a cationic polyelectrolyte (C-PAM), as well as different shear rates. A complex protein-polymer interaction was observed, leading to a potential error source in the measurement of enzymatic activity by changes in the intrinsic visc
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Benchabane, Adel, and Karim Bekkour. "Rheological properties of carboxymethyl cellulose (CMC) solutions." Colloid and Polymer Science 286, no. 10 (2008): 1173–80. http://dx.doi.org/10.1007/s00396-008-1882-2.

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Junio, Febri, Rina Desni Yetti, and Ridho Asra. "IR SPECTRUMS AND CHARACTERISTICS OF Na-CMC FOUND IN SEVERAL TYPES OF PLANTS: A REVIEW." International Research Journal of Pharmacy 11, no. 11 (2020): 13–20. http://dx.doi.org/10.7897/2230-8407.111192.

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Natrium carboxymethyl cellulose (Na-CMC) is a cellulose derivative that is produced commercially in greater amounts than other cellulose derivatives. Natrium carboxymethyl cellulose (Na-CMC) is a linear cellulose polymer and is an anion compound that is biodegradable, odourless, colourless, non-toxic, tasteless, flexible and transparent. Natrium carboxymethyl cellulose (Na-CMC) is usually found in the form of granules or powders which are soluble in water but cannot dissolve in organic solutions. Natrium carboxymethyl cellulose (Na-CMC) has a pH range of 6.5-8 and is stable in a pH range of 2-
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Wang, Jing, Xiaoyan Lin, Xuegang Luo, and Wenhui Yao. "Preparation and characterization of the linked lanthanum carboxymethylcellulose microsphere adsorbent for removal of fluoride from aqueous solutions." RSC Advances 5, no. 73 (2015): 59273–85. http://dx.doi.org/10.1039/c5ra07024d.

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Linked carboxymethyl cellulose microspheres loaded with lanthanum(iii) (linked-CMC–La) were fabricated with glutaraldehyde. The linked-CMC–La had good adsorption properties compared with CMC–La, and also showed better physical properties.
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Li, Wen Hao, Jun Ye, and Jian Xiong. "Preparation and Rheological Characterization of Cross-Linked Dialdehyde Carboxymethyl Cellulose." Applied Mechanics and Materials 509 (February 2014): 9–14. http://dx.doi.org/10.4028/www.scientific.net/amm.509.9.

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The carboxymethyl cellulose (CMC) is oxidized to the dialdehyde carboxymethyl cellulose (DACMC) at extremely acid media by sodium periodate. The reaction has been carried out at pH 2.0, temperature 35°C for 1.5h, with a NaIO4/CMC molar ratio of 1.1. FTIR peaks confirm the oxidation of CMC to DACMC. Furthermore, the rheological properties of CMC and DACMC were investigated by using steady shear and dynamic viscoelastic measurement in the range of concentrations (0.5~1 wt%). All of the CMC and DACMC solutions showed a shear thinning behavior over the shear rate at temperature from 30°C to 50°C.
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Miehle, Elisabeth, Stephanie Bader-Mittermaier, Ute Schweiggert-Weisz, Hans Hauner, and Peter Eisner. "Effect of Physicochemical Properties of Carboxymethyl Cellulose on Diffusion of Glucose." Nutrients 13, no. 5 (2021): 1398. http://dx.doi.org/10.3390/nu13051398.

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Soluble dietary fibers (SDF) are known to reduce the post-prandial plasma glucose levels. However, the detailed mechanisms of this reduced glucose release in the human gut still remain unclear. The aim of our study was to systematically investigate the effect of different types of SDF on glucose release in an in vitro model as a prerequisite for the selection of fibers suitable for application in humans. Three types of carboxymethyl cellulose (CMC) were used to investigate the correlations between fiber concentration, molecular weight (MW), and viscosity on diffusion of glucose using a side-by
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Qing, Pei, Chen Hui, Zhou Ming, Lu Qin, and Ma Qiang. "Improvement on filterability in the aerobic treatment of carboxymethyl cellulose (CMC) wastewater." Chemical Industry and Chemical Engineering Quarterly 20, no. 4 (2014): 491–501. http://dx.doi.org/10.2298/ciceq130227031q.

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CMC is chemically modified from natural cellulose and widely applied in various industries. CMC wastewater consists mainly of sodium glycolate, sodium chloride and water. With extremely high COD and salinity, high concentration CMC wastewater can?t be biologically treated, but with COD and salinity around 15000 mg/L and 30000 mg/L respectively, low concentration CMC wastewater can be aerobically treated. In a CMC factory, the treatment of low concentration wastewater with aerobic MBR was successful except for one serious problem: poor filterability. Two trial solutions: adding micronutrients a
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Long, Linyu, Fenfen Li, Mengying Shu, Caili Zhang, and Yunxuan Weng. "Fabrication and Application of Carboxymethyl Cellulose-Carbon Nanotube Aerogels." Materials 12, no. 11 (2019): 1867. http://dx.doi.org/10.3390/ma12111867.

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In this study, composite aerogels with excellent mechanical properties were prepared by using carboxymethyl cellulose (CMC) as raw materials, with carboxylic carbon nanotubes (CNTs) as reinforcement. By controlling the mass fraction of CNTs, composite aerogels with different CNTs were prepared, and the surface morphology, specific surface area, compressive modulus, density and adsorption capacities towards different oils were studied. Compared to the pure CMC aerogel, the specific surface areas of CMC/CNTs were decreased because of the agglomeration of CNTs. However, the densities of composite
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Yan, Chun Yan, and Wen Tao Yi. "Boron Adsorption by Cellulose Supported Layered Double Hydroxides." Advanced Materials Research 807-809 (September 2013): 1380–83. http://dx.doi.org/10.4028/www.scientific.net/amr.807-809.1380.

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Carboxymethyl cellulose (CMC)-supported layered double hydroxides (CMC-LDHs) were synthesized by ion exchange method. The raw cellulose, unsupported LDH and CMC-LDHs were characterized by XRD, and FTIR. The CMC-LDHs was applied to adsorb boron with batch adsorption in aqueous solution, and the conditions influencing its adsorption amount were investigated. The experimental results showed that the CMC-LDHs had higher adsorption amount than the precursor, and the adsorption amount increased with increasing the contact time, boron concentration, and the pH.
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Yuwono, Suripto D., Endah Wahyuningsih, Noviany, Agung A. Kiswandono, Wasinton Simanjuntak, and Sutopo Hadi. "Characterization of Carboxymethyl Cellulose (CMC) Synthesized from Microcellulose of Cassava Peel." Materiale Plastice 57, no. 4 (2021): 225–35. http://dx.doi.org/10.37358/mp.20.4.5422.

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In this study, carboxymethyl cellulose (CMC) was synthesized from the cellulose of cassava peel using alkalization and etherification reaction, and it was subsequently characterized with various techniques. Microcellulose was obtained by hydrolyzing a;-cellulose from cassava peel using H2SO4 with concentrations of 45%, 47%, and 49%. The experimental results indicate that the varying concentrations of acid affect the particle size of the cellulose, with 49% H2SO4 solution producing a cellulose with particle size of around 0.45-2.42 �m and relative percentage of 11.3% according to PSA analysis.
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Dissertations / Theses on the topic "Carboxymethyl cellulose (CMC) solutions"

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Behra, Juliette Sylviane. "Structure-property relationships of sodium carboxymethyl cellulose (Na CMC) in pure water and formulated solutions." Thesis, University of Leeds, 2018. http://etheses.whiterose.ac.uk/22935/.

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Sodium Carboxymethyl Cellulose (Na CMC) is used for its thickening and swelling properties in a wide range of applications including pharmaceutical, food, home and personal care products, as well as in paper, water treatment and mineral processing industries. Despite its broad industrial use, Na CMC structure-property relationships in solution are known to be highly complex and influenced by a number of parameters. The focus of this thesis was to expand fundamental understanding of its solution characteristics. The behaviour of salt-free semi-dilute aqueous Na CMC solutions was investigated ov
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Kotze, Reinhardt. "Detailed non-Newtonian flow behaviour measurements using a pulsed ultrasound velocimetry method: Evaluation, optimisation and application." Thesis, Cape Peninsula University of Technology, 2011. http://hdl.handle.net/20.500.11838/2183.

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Thesis (DTech (Electrical Engineering))--Cape Peninsula University of Technology, 2011<br>Ultrasonic Velocity Profiling (UVP) is both a method and a device to measure an instantaneous one-dimensional velocity profile along a measurement axis by using Doppler echography. UVP is an ideal technique since it is non-invasive, works with opaque systems, inexpensive, portable and easy to implement relative to other velocity profile measurement methods. Studies have suggested that the accuracy of the measured velocity gradient close to wall interfaces need to be improved. The reason for this is d
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Edali, Mohamed. "Rheological study of solutions of high concentrations of carboxymethyl cellulose." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0003/MQ43657.pdf.

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Ankerfors, Mikael. "Microfibrillated cellulose: Energy-efficient preparation techniques and applications in paper." Doctoral thesis, KTH, Fiberteknologi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-159222.

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This work describes three alternative processes for producing microfibrillated cellulose (MFC; also referred to as cellulose nanofibrils, CNF) in which bleached pulp fibres are first pretreated and then homogenized using a high-pressure homogenizer. In one process, fibre cell wall delamination was facilitated by a combined enzymatic and mechanical pretreatment. In the two other processes, cell wall delamination was facilitated by pretreatments that introduced anionically charged groups into the fibre wall, by means of either a carboxymethylation reaction or irreversibly attaching carboxymethyl
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Ankerfors, Mikael. "Microfibrillated cellulose : Energy-efficient preparation techniques and key properties." Licentiate thesis, KTH, Fiberteknologi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-102949.

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This work describes three alternative processes for producing microfibrillated cellulose (MFC) in which pulp fibres are first pre-treated and then homogenized using a high-pressure homogenizer. In one process, fibre cell wall delamination was facilitated with a combined enzymatic and mechanical pre-treatment. In the two other processes, cell wall delamination was facilitated by pre-treatments that introduced anionically charged groups into the fibre wall, by means of either a carboxymethylation reaction or irreversibly attaching carboxymethyl cellulose (CMC) onto the fibres. All three processe
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Silva, Diogo Luís Almeida. "Catalytic hydrolysis of sodium borohydride for hydrogen production - Study of the influence of Carboxymethyl Cellulose (CMC) in the recyclability of NaBO2." Dissertação, 2017. https://hdl.handle.net/10216/108790.

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Silva, Diogo Luís Almeida. "Catalytic hydrolysis of sodium borohydride for hydrogen production - Study of the influence of Carboxymethyl Cellulose (CMC) in the recyclability of NaBO2." Master's thesis, 2017. https://hdl.handle.net/10216/108790.

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Book chapters on the topic "Carboxymethyl cellulose (CMC) solutions"

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Gooch, Jan W. "Carboxymethyl Cellulose (CMC)." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_1961.

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Wypych, George. "CMC carboxymethyl cellulose." In Handbook of Polymers. Elsevier, 2012. http://dx.doi.org/10.1016/b978-1-895198-47-8.50020-5.

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Wypych, George. "CMC carboxymethyl cellulose." In Handbook of Polymers. Elsevier, 2016. http://dx.doi.org/10.1016/b978-1-895198-92-8.50021-5.

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"Carboxymethyl cellulose (CMC)." In Encyclopedic Dictionary of Polymers. Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-30160-0_1925.

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Conference papers on the topic "Carboxymethyl cellulose (CMC) solutions"

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Lin, Ruinan, Ke Wang, Qing Li, Narakorn Srinil, and Fangjun Shi. "Experimental Investigation of Flow-Induced Vibration in Gas/Shear-Thinning Liquid Flows in Vertical Pipe." In ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/omae2020-18162.

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Abstract The non-Newtonian shear-thinning fluid widely exists in the industrial process and the rheology exerts a significant influence on the flow pattern transition and flow-induced vibration (FIV). However, studies on the rheology effect of the liquid phase in the vertical upward two-phase flows are quite lacking due to the complexity of non-Newtonian fluid properties. In the present study, the vertical upward gas/shear-thinning liquid flows experiments are conducted on a rigid acrylic pipe with an internal diameter of 20 mm. Three different Carboxymethyl Cellulose (CMC) solutions are used
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Kim, Young-Ju, Nam-Sub Woo, and Young-Kyu Hwang. "Flow of Newtonian and Non-Newtonian Fluids in a Concentric Annulus With Rotation of the Inner Cylinder." In ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/fedsm2003-45791.

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This experimental study concerns the characteristics of vortex flow in a concentric annulus with a diameter ratio of 0.52, whose outer cylinder is stationary and inner one is rotating. Pressure losses and skin friction coefficients have been measured for fully developed flows of water and of 0.4% aqueous solution of sodium carboxymethyl cellulose (CMC), respectively, when the inner cylinder rotates at the speed of 0∼600 rpm. The results of present study reveal the relation of the bulk flow Reynolds number Re and Rossby number Ro with respect to the skin friction coefficients. In somehow, they
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Nguyen, T. D., M. Elhajem, Q. Nguyen, S. Simoëns, A. Delache, and J. L. Balint. "Non-Newtonian Fluids Mixing Behavior Behind a Grid." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-86125.

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Numerous biological, biomedical or chemical engineering processes involve non-Newtonian fluids as shear-thinning or shear-thickening fluids. As early as 1969, Lumley [1] investigated the influence of the non-Newtonian characteristics on the Kolmogorov cascade. In 1986, De Gennes [2] revisited such point of view by considering more precisely elasticity and shear thinning properties. As of today, the correlation between elasticity and other flow properties is still unclear, recent numerical simulations attempted to clarify the issue with the use of FENE-P or other linear viscoelastic models. The
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Chaussonnet, G., R. Koch, H. J. Bauer, A. Sänger, T. Jakobs, and T. Kolb. "SPH Simulation of an Air-Assisted Atomizer Operating at High Pressure: Influence of Non-Newtonian Effects." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-63033.

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A twin-fluid atomizer configuration is predicted by means of the 2D weakly-compressible Smooth Particle Hydrodynamics (SPH) method and compared to experiments. The setup consists of an axial liquid jet fragmented by a co-flowing high-speed air stream (Ug ≈ 60 m/s) in a pressurized atmosphere up to 11 bar (abs.). Two types of liquid are investigated: a viscous Newtonian liquid (μl = 200 mPas) obtained with a glycerol/water mixture and a viscous non-Newtonian liquid (μl, apparent. ≈ 150 mPas) obtained with a carboxymethyl cellulose (CMC) solution. 3D effects are taken into account in the 2D code
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Cetinkaya, Toygun, Ant Yucesoy, and O. Burak Ozdoganlar. "Micromachinability of Biodissolvable Carboxymethyl Cellulose (CMC)." In WCMNM 2018 World Congress on Micro and Nano Manufacturing. Research Publishing Services, 2018. http://dx.doi.org/10.3850/978-981-11-2728-1_91.

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Pertiwi, Anggun, Eny Yulianti, Lilik Miftahul Khoiroh, and Febi Yusniyanti. "Variation of Alginate: Carboxymethyl Cellulose on Making Beads CMC from Cellulose of Corn Stalk." In International Conference on Engineering, Technology and Social Science (ICONETOS 2020). Atlantis Press, 2021. http://dx.doi.org/10.2991/assehr.k.210421.126.

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Suprabawati, A., L. S. Aisyah, and M. R. Firzatullah. "Crosslinked CMC-urea hydrogel made from natural carboxymethyl cellulose (CMC) as slow-release fertilizer coating." In THE 8TH INTERNATIONAL CONFERENCE OF THE INDONESIAN CHEMICAL SOCIETY (ICICS) 2019. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0002056.

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Guan, Wenchao, Gang Ke, Changyu Tang, and Yifeng Liu. "Study on Lubrication Properties of Carboxymethyl Cellulose as a Novel Additive in Water-Based Stock." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-64250.

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This paper reports cellulose derivative—carboxymethyl cellulose (CMC) as a novel additive in a water-based stock (water content above 95 wt.%). Cellulose is one of the richest renewable resources on earth and has many peculiar qualities. Several cellulose derivatives such as CMC can easily dissolve in water and form stable thin film on the surface of metal. Several apparatus involving four-ball machine were used to investigate lubrication properties of the based stock containing CMC. The worn surfaces were observed with a scanning electron microscope. As the results, the anti-wear ability of t
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Khoirunnisa, S. A., A. Oetari, and W. Sjamsuridzal. "Carboxymethyl cellulose (CMC)-degrading ability of Rhizopus azygosporus UICC 539 at various temperatures." In PROCEEDINGS OF THE 5TH INTERNATIONAL SYMPOSIUM ON CURRENT PROGRESS IN MATHEMATICS AND SCIENCES (ISCPMS2019). AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0007875.

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Putri, Rr Dewi Artanti, Aji Setiawan, and Puji D. Anggraini. "Effect of carboxymethyl cellulose (CMC) as biopolymers to the edible film sorghum starch hydrophobicity characteristics." In ENGINEERING INTERNATIONAL CONFERENCE (EIC) 2016: Proceedings of the 5th International Conference on Education, Concept, and Application of Green Technology. Author(s), 2017. http://dx.doi.org/10.1063/1.4976908.

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