Results 81 to 90 of about 2,258 (165)

Optimization Process for Esterification of Rubber Seed Oil (RSO) with Trimethylolpropane (TMP) [PDF]

, 2022
Trimethylolpropane (TMP) ester has the potential to serve as a basic material in the biolubricant production due to its biodegradability, environmental friendly and good thermal properties.
Salimon, Jumat, Ishak, Ainaatul Asmaa\u27   +1 more
core  

Heterogeneous Brønsted Catalysis in the Solvent-Free and Multigram-Scale Synthesis of Polyalcohol Acrylates: The Case Study of Trimethylolpropane Triacrylate

Molecules
This article presents a thorough investigation into the synthesis of trimethylolpropane triacrylate (TMPTA) via the esterification reaction of trimethylolpropane (TMP) with acrylic acid using Amberlite™ 120 IR (H+), Amberlyst® 15, and Dowex™ 50WX8 resins
Massimo Melchiorre, Maria E. Cucciolito, Roberto Esposito, Simone Silvestro, Francesco Ruffo   +4 more
doaj   +1 more source

4-Vinylpyridine–Trimethylolpropane Trimethacrylate Composite Polymer Particles and Their Application as Adsorbents

Adsorption Science & Technology, 2015
The study describes the synthesis of microspheres of 4-vinylpyridine (4VP) and trimethylolpropane trimethacrylate (TRIM) with uniform diameters. Polymeric 4VP–TRIM microspheres were prepared by seed polymerization, using polystyrene beads as a shape ...
Marta Grochowicz, Łukasz Szajnecki, Barbara Gawdzik   +2 more
doaj   +1 more source

Evaluating the triboelectric performance of trimethylolpropane trioleate grease [PDF]

The study compared the triboelectric performance of trimethylolpropane trioleate (TMPO) grease with perfluoropolyether (PFPE) grease, both formulated with polytetrafluoroethylene (PTFE) as a thickener.
Haris Ahmad, Israr Ahmad, Lee, Chiew Tin, Nur Aisya Affrina, Mohamed Ariffin, William Chong, Woei Fong   +3 more
core  

Solid-Solid Phase Transition in Trimethylolpropane (TRMP)

, 2002
An orientationally disordered crystalline (ODIC) plastic phase (γ) was observed in Trimethylolpropane (TRMP) during heating by high resolution thermal and X-ray diffraction analyses. TRMP is a potential thermal energy storage material.
Lindle, Dennis W., Mandalia, Himanshu, Chandra, Dhanesh, Rudman, Reuben, Chien, Wen-Ming   +4 more
core   +2 more sources

Performance Evaluation of Polyol Esters from Palm Oil as a Lubricant for Bentonite Suspension Drilling Fluid

Tribology Online, 2017
This study evaluated the potential use of three polyol esters (POEs) derived from palm oil as a lubricant in bentonite suspension drilling fluid. Three different POEs were investigated, which are pentaerythritol ester (PEE), trimethylolpropane ester ...
Dina Kania, Robiah Yunus, Rozita Omar, Suraya Abdul Rashid, Badrul Mohamed Jan   +4 more
doaj   +1 more source

Synthesis of trimethylolpropane esters of oleic acid by Lipoprime 50T

Journal of Industrial Microbiology & Biotechnology, 2011
The ability of the commercial lipolytic enzyme Lipoprime 50T to catalyze the biotechnologically important synthesis of the biodegradable and environmentally acceptable trimethylolpropane (2-ethyl-2-(hydroxymethyl)-1,3-propanediol) ester of oleic acid was investigated. Simple and accurate thin-layer chromatography and computer analysis methods were used
Vita, Kiriliauskaitė, Vida, Bendikienė, Benediktas, Juodka   +2 more
openaire   +2 more sources

Controversial effects of fumed silica on the curing and thermomechanical properties of epoxy composites

eXPRESS Polymer Letters, 2010
The effect of fumed silica on the curing of a trimethylolpropane epoxy resin was investigated by thermal analysis methods like Differential Scanning Calorimetry (DSC), and Dynamic Mechanical Analysis (DMA).
doaj   +1 more source

Comparative Study of Molecularly Imprinted Polymer and Magnetic Molecular Imprinted Nanoparticles as Recognition Sites for the Potentiometric Determination of Gemifloxacin Mesylate

International Journal of Electrochemical Science, 2017
Two nanoparticles based potentiometric sensors were fabricated for the selective determination of gemifloxacin mesylate. The first sensor was based on the formation of molecularly imprinted polymer nanoparticles using methacrylic acid as a functional ...
Nehad A. Abdallah, Heba F. Ibhrahim, Nayira H. Hegabe   +2 more
doaj   +1 more source

Comparative analysis of the effect of two types of catalysts (Ti(OEt)4 and pTSA) on the esterification process of trimethylolpropane with oleic acid [PDF]

BIO Web of Conferences
The present study aims to investigate the efficiency of two types of catalysts: tetraethyl titanate (Ti(OEt)4,) and p-toluenesulfonic acid (p-TSA) in the esterification process of trimethylolpropane (TMP) and oleic acid (OL).
Kopchev Vasil P.
doaj   +1 more source