Results 21 to 30 of about 19,408 (166)

Synthesis and characterization of Fe3O4@Ag core-shell: structural, morphological, and magnetic properties [PDF]

Journal of Ultrafine Grained and Nanostructured Materials, 2014
This paper is a report on the synthesis of the Fe3O4@Ag core-shell with high saturation magnetization of magnetite nanoparticles as the core, by using polyol route and silver shell by chemical reduction.
Mahdi Ghazanfari, Fatemeh Johar, Ahmad Yazdani   +2 more
doaj   +1 more source

Utilization of Neem Seed Oil as Surfactant in the Production of Flexible and Rigid Polyurethane Foam

Emerging Technologies and Engineering Journal
Extraction and processing of polyether polyols derived from petrochemicals, commonly used as surfactants during polyurethane foam (PUF) production, contribute to carbon emissions and raises the issue of long-term sustainability given that petrochemicals ...
Habib Abba Sanda, Muhammad Abbagoni Abubakar, Abdulhalim Musa Abubakar, Mamman Bashir, Martin Stojchevski   +4 more
doaj   +1 more source

Sugar Replacers in Confectionary beyond Sugar-Free Chewing-Gums: Demonstration of Oral Health Benefits of Polyols in Tablets Using a Customized-Reversed pH-Telemetry Test

Proceedings
Background and Objectives: Positive impacts of sugar-free chewing-gum (SFCG) were largely described in the literature. In addition to the increase in salivary flow and the mechanic effect of CG, their main ingredient, i.e., polyols, can also have some ...
Caroline Perreau, Daniel Wils, Clémentine Thabuis   +2 more
doaj   +1 more source

Determination of Some Physical and Mechanical Properties of Parallel-strand Lumber Manufactured with Bamboo (Phyllostachys bambusoides)

BioResources, 2023
Parallel-strand lumber was manufactured with bamboo (Phyllostachys bambusodies). A polyol compound was added to modify the adhesive (pMDI). Bamboo culms were used to manufacture strands 3 mm thick, 19 mm wide, and 65 cm long.
Vedat Cavus, Ibrahim Ersin
doaj   +2 more sources

Synthesis and Application of Jatropha Oil based Polyurethane as Paint Coating Material

Makara Seri Sains, 2012
Recently, the use of renewable sources in the preparation of various industrial materials has been revitalized in response to environmental concerns. Natural oils are considered to be the most important genre of renewable sources.
Zainal Alim Mas’ud, Purwantiningsih Sugita, Harjono   +2 more
doaj  

MODEL KINETIKA REAKSI PEMBENTUKAN POLYOL BERBASIS MINYAK SAWIT

Reaktor, 2012
REACTION KINETIC MODEL OF RBD PALM OIL BASED-POLYOL PRODUCTION. Polyol, a raw material of polyurethane, has successfully been produced from a renewable resource namely RBD palm oil.
La Ifa, Sumarno Sumarno, Susianto Susianto, Mahfud Mahfud   +3 more
doaj   +1 more source

Preparation and Characterization of Polyurethane Rigid Foam Nanocomposites from Used Cooking Oil and Perlite

International Journal of Polymer Science, 2023
Modern chemical industries trend towards industrial ecology to achieve a circular economy, because of increasing environmental and economic awareness jointly.
Muntajab Sarim, Mir Mohammad Alavi Nikje, Maryam Dargahi   +2 more
doaj   +1 more source

The Effect of Plant Source on the Properties of Lignin-Based Polyurethanes

Frontiers in Energy Research, 2018
This work increases our understanding of the effect of plant source on the mechanical and morphological properties of lignin-based polyurethanes (PUs).
Jason M. Lang, Umesh M. Shrestha, Mark Dadmun, Mark Dadmun   +3 more
doaj   +1 more source

Bioinspired Iterative Synthesis of Polyketides

Frontiers in Chemistry, 2015
Diverse array of biopolymers and second metabolites (particularly polyketide natural products) has been manufactured in nature through an enzymatic iterative assembly of simple building blocks.
Ran eHong, Kuan eZheng, Changmin eXie
doaj   +1 more source

In Situ Studies and Magnetic Properties of the Cmcm Polymorph of LiCoPO4 with a Hierarchical Dumbbell-Like Morphology Synthesized by Easy Single-Step Polyol Synthesis

Inorganics, 2016
LiCoPO4 (LCP) exists in three different structural modifications: LCP-Pnma (olivine structure), LCP-Pn21a (KNiPO4 structure type), and LCP-Cmcm (Na2CrO4 structure type).
Carlos Alarcón-Suesca, Jennifer Ludwig, Viktor Hlukhyy, Christoph Stinner, Tom Nilges   +4 more
doaj   +1 more source