Results 21 to 30 of about 1,726,931 (142)

Epoxiverbindungen – ihre Synthese und Verwendung

CHIMIA, 1983
The epoxies are of the wide class of compounds which undergo addition reactions; a series of such compounds susceptible to such types of reaction is listed in the tables attached.
H. Batzer
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Effect of pre-treatment of nanofillers on the dielectric properties of epoxy nanocomposites [PDF]

, 2014
Early researches show that the nano filler dispersion has a significant effect on the dielectric properties of resulting epoxy nanocomposites. In this paper a comparative study on the dielectric permittivity, AC breakdown behaviours and glass transition ...
Wang, Qi, Chen, George
core   +1 more source

Phosphorus-Containing Flame Retardants from Biobased Chemicals and Their Application in Polyesters and Epoxy Resins

Molecules, 2019
Phosphorus-containing flame retardants synthesized from renewable resources have had a lot of impact in recent years. This article outlines the synthesis, characterization and evaluation of these compounds in polyesters and epoxy resins.
Jacob Sag, Daniela Goedderz, Philipp Kukla, Lara Greiner, Frank Schönberger, Manfred Döring   +5 more
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Monitoring and simulations of hydrolysis in epoxy matrix composites during hygrothermal aging [PDF]

, 2014
In this paper, we studied the water transport in thermoset matrices. We used Fourier Transform Infrared analysis (FTIR) during sorption/desorption experiments to investigate the interaction between sorbed water and the epoxy network.
TRAIDIA, Abderrazak, VERDU, Jacques, LUBINEAU, Gilles, EL YAGOUBI, Jalal   +3 more
core   +2 more sources

Dammarane-Type Triterpenoids from The Stembark of Aglaia argentea (Meliaceae)

Jurnal Kimia Valensi, 2018
Two dammarane-type triterpenoids, 20S,24S-epoxy-3α,25-dihydroxydammarane (1) and 3α-acetyl-20S,24S-epoxy-3α,25-dihydroxydammarane (2), have been isolated from the stembark of Aglaia argentea.
Ace Tatang Hidayat, Kindi Farabi, Ida Nur Farida, Kansy Haikal, Nurlelasari Nurlelasari, Desi Harneti Putri Huspa, Rani Maharani, Unang Supratman, Yoshihito Shiono   +8 more
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The use of amine and polyetheramine hardeners in end sealing compounds for hollow fiber membrane modules

Учёные записки Казанского университета: Серия Естественные науки
The geometry and structure of hollow fiber membranes fabricated from polysulfone by the dry-wet phase inversion method were studied with the help of scanning electron microscopy.
N. P. Bezrukov, V. P. Vasilevsky, D. N. Matveev, Yu. I. Matveeva, A. V. Vlasova, T. S. Anokhina, I. L. Borisov, S. V. Antonov   +7 more
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Low-energy binding agent for stone wool-based products [PDF]

Нанотехнологии в строительстве
Introduction. The primary objective of this study is to reduce the energy consumption involved in manufacturing mineral wool products by developing an innovative binder based on modified epoxy compounds. To achieve this objective, the potential use of
Aleksey D. Zhukov, Saveliy O. Artemenko, Petr M. Zhuk, Ekaterina Yu. Bobrova, Andrey A. Medvedev   +4 more
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Natural Products in Drug Discovery: Antibacterial and Antifungal Activity of Essential Oil of Compound Isolated from Senecio royleanus

Journal of Pure and Applied Microbiology, 2019
Natural products are an excellent source of therapeutic products which has led to the discovery of many important drugs that play an important role in the treatment of various human diseases.
Chandra Mohan Singh Bisht, S.M. Shakeel Iqubal, Aejaz A. Khan, Tasneem Mohammed, Areej Dawoud, Mohammed Gamal, S.K. Singh, Basim H. Asghar   +7 more
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Cytotoxic and antimicrobial activities of two new sesquiterpenoids from red sea brittle star Ophiocoma dentata

Scientific Reports, 2022
Bioactive compounds were extracted from a locally available brittle star; Ophiocoma dentata, collected from the Red Sea, Egypt. Two new sesquiterpenoids; 8, 11-epoxy-9(15)-himachaladiene-4-ol (O8-ophiocomane) and, 11-epoxy-9(15)-himachaladiene-4-ol (O7 ...
Shaymaa E. El Feky, Mohamed S. M. Abd El Hafez, Nadia A. Abd El Moneim, Hassan A. H. Ibrahim, Mohamed A. Okbah, Athar Ata, Amel S. El Sedfy, Ahmed Hussein   +7 more
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Monoterpenoid Indole Alkaloids from Alstonia yunnanensis and Their Cytotoxic and Anti-inflammatory Activities

Molecules, 2012
The 80% ethanol extract of Alstonia yunnanensis afforded five new monoterpenoid indole alkaloids: 11-hydroxy-6,7-epoxy-8-oxo-vincadifformine (1), 14-chloro-15-hydroxy- vincadifformine (2), perakine N4-oxide (3), raucaffrinoline N4-oxide (4), and vinorine
Guobiao Liang, Zhen-Quan Song, Xiao-Ming Li, Xu Gao, Yong Liang, Peng Cao   +5 more
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