Results 121 to 130 of about 13,676 (263)

Carboxymethylation of Sago Starch and Sago Waste and the Formation of Carboxymethyl Starchhydrogel Via Irradiation Technique [PDF]

open access: yes, 2003
Carboxymethyl starch (CMS) and carboxymethyl sago waste (CMSW) were synthesized in completely heterogeneous conditions as a product of the reaction of sago starch or sago waste and sodium monochloroacetate (CICH₂COONa) in isopropanol and sodium ...
Zainuddin, Norhazlin
core  

Precision‐Engineered Poly(GMA‐EGDMA) Microspheres for Multifunctional Applications

open access: yesParticle &Particle Systems Characterization, Volume 43, Issue 1, January 2026.
The study presents multifunctional poly(GMA‐EGDMA) microspheres designed for advanced separation, catalysis, and biomedical engineering. Through precision synthesis and surface engineering, these microspheres exhibit excellent stability, tunable porosity, and high reactivity.
Imran Ali   +3 more
wiley   +1 more source

Modelování dvou fazí rafinace živočišného tuku [PDF]

open access: yes, 2008
This work describes the mathematical model of both phases of the refining process of animal fat – the phase of heating and the phase of melting. In order to prepare biodiesel using animal fat, it is necessary to heat the solid fat to the melting point,
Jovanović, Nenad   +2 more
core  

Design of Glycerol Etherification Process by Reactive Distillation

open access: yesChemical Engineering Transactions, 2011
preview not available - see full-text PDF article.
E. Vlad   +3 more
doaj   +1 more source

Advancing Energy Storage Technologies Beyond Lithium With Cellulose‐Derived Sustainable Carbon Materials

open access: yesSmall Structures, Volume 7, Issue 1, January 2026.
This review examines the emerging role of cellulose‐derived carbon in postlithium energy storage technologies, with a focus on its structural and electrochemical properties. In addition to its high surface area, porosity, and conductivity, the material is environmentally friendly, making it a promising alternative to conventional carbon sources.
Vimukthi Dananjaya   +9 more
wiley   +1 more source

Swelling of cellulose stimulates etherification

open access: yesHolzforschung
Abstract Cellulose has inherent properties that are both hydrophilic and water-insoluble, which can create challenges in certain technical applications. One solution to these challenges is derivatization, however, the crystalline structure of cellulose limits its chemical reactivity.
Antonia von Schreeb   +2 more
openaire   +1 more source

PREPARATION AND MECHANISTIC STUDY OF ZnO/ZEOLITE AS CATALYST IN 1-PENTANOL DEHYDRATION [PDF]

open access: yes, 2014
Preparation of zinc oxide impregnated zeolite from natural zeolite and its catalytic activity in pentanol dehydration was investigated. The impregnation process was conducted by two main steps; chemical activation followed by wet impregnation using ...
Is, Fatimah
core  

Ullmann etherification

open access: yes, 2015
Formation of the diaryl ether moiety remains a challenging target for organic synthesis despite modern technologies, however, better understanding of older techniques often leads to improvements. The copper-catalysed Ullmann ether synthesis, whilst attractive in many ways, is frequently problematic due to the inherent irreproducibility of the reaction ...
openaire   +1 more source

Synthesis of Soluble Carboxymethyl Chitosan from Low MolecularWeight of Chitosan [PDF]

open access: yes, 2018
Carboxymethyl chitosan was obtained under heterogeneous conditions as a product of the reaction of chitosan and monochloroacetic acid in the presence of sodium hydroxide.
., Harry   +3 more
core  

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