Results 11 to 20 of about 274,291 (339)

Caracterização por FT-IR de agentes de cura utilizados em resinas epoxídicas-II-polimercaptana, poliaminoamida e amina modificada [PDF]

open access: goldPolímeros, 2003
Amostras de resina epoxídica (EP) curadas com compostos à base depolimercaptana (SH), SH na presença de poliamino amida, e amina modificada, constituindo, respectivamente, os sistemas epoxídicos (SE) 1, 2 e 3, foram preparadas segundo condições ...
Benedita M. V. Romão   +6 more
doaj   +2 more sources

2-{2,6-Bis[bis(4-fluorophenyl)methyl]-4-chlorophenylimino} -3-aryliminobutylnickel(II) bromide complexes: Synthesis, characterization, and investigation of their catalytic behavior [PDF]

open access: yes, 2014
The series of 2-{2,6-bis[di(4-fluorophenyl)methyl]-4-chlorophenylimino}-3- aryliminobutane derivatives (L1-L5) and their nickel(II) dibromide complexes (Ni1-Ni5) were synthesized, and all organic compounds were fully characterized by the Fourier ...
Hao, Xiang   +5 more
core   +1 more source

Avaliação da aplicabilidade de técnicas MIC/FT-IR/DSC para a caracterização de filmes multicamadas Evaluation of MIC/FT-IR/DSC techniques for multilayer films characterization

open access: yesPolímeros, 2007
Técnicas FT-IR de transmissão, reflexão atenuada (ATR), reflexão difusa (DRIFT), microscopia acoplada ao FT-IR (MIC/FT-IR) e detecção fotoacústica (PAS) foram utilizadas para a caracterização de filmes multicamadas.
Luciano M. Nogueira   +8 more
doaj   +1 more source

Synthesis, characterization and ethylene polymerization behaviour of binuclear nickel halides bearing 4,5,9,10-tetra(arylimino)pyrenylidenes [PDF]

open access: yes, 2014
Pyrene-4,5,9,10-tetraone was prepared via the oxidation of pyrene, and reacted with various anilines to afford a series of 4,5,9,10-tetra(arylimino)pyrenylidene derivatives (L1–L4).
Liang, Tongling   +5 more
core   +1 more source

PPH dendrimers grafted on silica nanoparticles: surface chemistry, characterization, silver colloids hosting and antibacterial activity [PDF]

open access: yes, 2013
Polyphosphorhydrazone (PPH) dendrimers have been grafted on silica nanoparticles, and the surface functions of the dendrimers have been derivatized to phosphonates with lateral poly(ethyleneglycol) (PEG) chains.
Caminade, Anne-Marie   +6 more
core   +3 more sources

FT-IR imaging for quantitative determination of liver fat content in non-alcoholic fatty liver [PDF]

open access: yes, 2015
In this work we apply FT-IR imaging of large areas of liver tissue cross-section samples (∼5 cm × 5 cm) for quantitative assessment of steatosis in murine model of Non-Alcoholic Fatty Liver (NAFLD).
Barańska, Małgorzata   +3 more
core   +1 more source

Estudo cinético da decomposição térmica do pentaeretritol-tetranitrado (PETN) Kinetic study of the thermal decomposition of pentaerythritol-tetranitrate (PETN)

open access: yesQuímica Nova, 2008
The pentaerythritol-tetranitrate (PETN) is a nitroether used in explosives and propellant formulations. Due to its suitable properties, PETN is used in booster manufacture.
Gilson da Silva   +2 more
doaj   +1 more source

Characterization of Momordica charantia Ussing FT-IR Spectroscopy

open access: yesBulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca: Horticulture, 2016
Momordica charantia (bitter melon) belongs to the family of Cucurbitaceae, a climbing vine which is commonly seen growing on walls and shrubs in the tropics. In this paper, because earlier claim shows that the plant used as stomachic, carminative, tonic,
Attila Keseru   +6 more
doaj   +1 more source

Sintesis Poliol Lignin Isolat dari Serbuk Kayu Jati sebagai Bahan Dasar Pembentukan Poliuretan dan Karakterisasi Menggunakan Ft-ir (Fourier Transform Infrared Spectroscopy) [PDF]

open access: yes, 2018
Telah disintesis poliuretan melalui sistem LI-PEG dengan Toluena Diisosianat (TDI). Lignin Isolat (LI) hasil isolasi serbuk kayu jati dimanfaatkan untuk sintesis poliuretan dengan cara memvariasikan LI-PEG dalam 10 gram.
Sihotang, S. H. (Supran)
core   +4 more sources

Chemical and structural characterization of fibrous richterite with high environmental and health relevance from Libby, Montana (USA) [PDF]

open access: yes, 2016
This study reports new structural and spectroscopic data of a sample of fibrous richterite from Libby, Montana (USA). The OH-stretching region was investigated by FT-IR. The spectrum showed, except for the typical absorption band at 3671 cm-1 assigned to
BALLIRANO, Paolo, PACELLA, Alessandro
core   +1 more source

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