Results 81 to 90 of about 13,676 (263)

Synthesis and characterization of chitosan ethers: Hydroxypropyl chitosan and Hydroxyethyl chitosan

MANAS: Journal of Engineering
The hydroxypropyl chitosan (HPCH) and hydroxyethyl chitosan (HECH) are multifunctional chitosan derivatives with biocompatible and biodegradable properties. Due to their hydroxypropyl and hydroxethyl groups, they have water solubility, moisture retention,
Mehmet Tumer, Mustafa Dolaz, Cengiz Ayhan Zıba, Nuran Çelikçi   +3 more
doaj   +1 more source

Developm ent of carboxymethylcellulose from nata de coco

ASEAN Journal on Science and Technology for Development, 2017
Nata de coco was used as raw material for the preparation of food-grade carboxymethylcellulose referred to as carboxymethyl-nata (CMN). The effect of various conditions in the carboxymethylation of nata cellulose was determined. The concentration of NaOH,
Lydia S. Manguiat,, Veronica C. Sabularse, and, Dario C. Sabularse Sabularse   +2 more
doaj   +1 more source

Optimizing Epoxy Vitrimer Composites With Sustainable Cellulose Nanofibril Reinforcements: Enhancing Thermal Dimensional Stability While Preserving Dynamic Covalent Behavior

Polymer Composites, Volume 47, Issue 1, Page 164-175, 10 January 2026.
A vitrimer nanocomposite based on nanofibrillated cellulose was fabricated using controlled resin infiltration, without the need for any functionalization. It exhibited excellent thermal dimensional stability and recyclability, positioning it as a promising material for next‐generation, eco‐responsible composites and protective coating aligned with ...
Isis Castro‐Cabrera, Armand Fahs, Sophie Berlioz, Pascal Carriere   +3 more
wiley   +1 more source

Reaksi Eterifikasi δ-Guaiene Menggunakan Katalis Fecl3/p-tsoh [PDF]

, 2015
Δ-guaien merupakan komponen utama kedua dari minyak nilam setelah patchouli alkohol yang dapat diderivatisasi menjadi senyawa eter dengan posisi pada karbon tersier.
Aziz, M. F. (Mohamad), Utomo, E. P. (Edi), Warsito, W. (Warsito)   +2 more
core  

Modification Methods’ Effects on the Characteristics of Carboxylated Cellulose Fibers: Carboxyl Group Introduction Method versus Physical Properties

BioResources
Cotton fibers were modified by TEMPO oxidation, sodium periodate oxidation, and sodium chloroacetate etherification to obtain carboxylated cellulose fibers with similar carboxyl content (about 70 mmol/100 g). The characteristics of carboxylated cellulose
Jian Wang, Yubo Wang, Zetan Liu, Xinyi Shao, Yuxuan Lin, Wenbao Song, Dehua Xu, Yifei Gao, Jialan Han   +8 more
doaj   +2 more sources

KINETIKA TRANSESTERIFIKASI BIODIESEL JARAK PAGAR

Teknik, 2012
Biodiesel were produced by trans-etherification of castor oil with alcohol in the presence of NaOH catalyst. Thereaction mechanism and model of castor oil trans-etherification isA + 3B C + 3 DA, B, C, and D were castor oil, alcohol, glycerol, and ester ...
Buchori Luqman, Budi Sasongko Setia
doaj  

Fifth International Conference on Renewable Resources and Biorefineries, 10-12 June 2009, Ghent, Belgium [PDF]

, 2009
B
Cukalovic, Ana
core   +1 more source

Development of polymer network of phenolic and epoxies resins mixed with linseed oil: pilot study [PDF]

, 2010
Epoxy resin was mixed with phenolic resins in different percentages by weight. Composite 40/60 means the proportion by weight of epoxy resin is 40 percent. It was found that only composites 50/50 and 40/60 could be cured in ambient conditions. Dynamic
Cardona, F., Ku, H., Munoz, J.-C., Rogers, D.   +3 more
core   +2 more sources

A review of the chemical modification and applications of starch [PDF]

BIO Web of Conferences
The modification of starch using esterification, etherification, oxidation, and Schiff base formation has garnered significant interest owing to its wide-ranging applications in different sectors. This overview delves into the various techniques utilized
El Farkhani Mohamed, Dadou Said, El Miz Yassine, Elyoussfi Abdellah, El Miz Mohamed, Salhi Amin, Koudad Mohammed, Benchat Noureddine   +7 more
doaj   +1 more source

In Silico Screening and Designing Synthesis of Cinchona Alkaloids Derivatives as Potential Anticancer [PDF]

, 2017
P-glycoprotein (P-gp) resistance in cancer cells decreases intracellular accumulation of various anticancer drugs. This multidrug resistance (MDR) protein can be modulated by a number of non-cytotoxic drugs.
Hanafi, M. (Muhammad), Prasasty, V. D. (Vivitri), Primahana, G. (Gian), Rosmalena, R. (Rosmalena), Udin, L. Z. (Linar)   +4 more
core   +2 more sources