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Influence of the temperature on the formation of a phenolic resol resin catalyzed with amine
(Elsevier, 2002-02)
The influence of the condensation temperature on the phenolic resol resin prepolymer formation was studied by liquid chromatography and carbon nuclear magnetic resonance (13C NMR) spectroscopy. Four resols catalyzed with ...
Avaliação do comportamento mecânico do adesivo poliuretano derivado de óleo de mamona utilizado na produção de painéis compensados
(Universidade Tecnológica Federal do ParanáCuritibaDepartamento Acadêmico de Construção Civil, 2014-03-12)
Commercial adhesives commonly used in plywood panels’ production contain resins having formaldehyde in its composition, which is a carcinogen. The castor-oil based polyurethane adhesive is an alternative to replace those ...
Alternative methodologies for the determination of aldehydes by capillary electrophoresis
(Aoac International, 1999-11-01)
This paper describes 2 alternative methodologies for the determination of selected aldehydes (formaldehyde, acetaldehyde, propionaldehyde, acrolein, and benzaldehyde) by capillary electrophoresis (CE), the first approach ...
Alternative methodologies for the determination of aldehydes by capillary electrophoresis
(Aoac International, 1999-11-01)
This paper describes 2 alternative methodologies for the determination of selected aldehydes (formaldehyde, acetaldehyde, propionaldehyde, acrolein, and benzaldehyde) by capillary electrophoresis (CE), the first approach ...
Microbiological analysis in the fixation and preservation of dog cadavers with ethyl alcohol and sodium chloride solution
(2019-01-01)
There are several fixative or preservative solutions for use on cadavers, and formaldehyde is the most widely used. However, this chemical may present negative effects for professionals who manipulate it. Therefore, this ...
Alternative methodologies for the determination of aldehydes by capillary electrophoresis
(1999-01-01)
This paper describes 2 alternative methodologies for the determination of selected aldehydes (formaldehyde, acetaldehyde, propionaldehyde, acrolein, and benzaldehyde) by capillary electrophoresis (CE). The first approach ...
Synthesis and mechanical characterization of high pressure laminates modified with Kraft lignin
(255th ACS National Meeting Exposition New Orleans, 2018)
Anchoring lead-free halide Cs3Bi2I9 perovskite on UV100–TiO2 for enhanced photocatalytic performance
(Elsevier Science, 2020-01)
Halide perovskites have shown great potential in photocatalytic applications. In order to enhance the charge transportation efficiency, the chemical stability, and the light absorption ability, we anchored a lead-free ...
Intestinal Parasites in Free-Living Puma concolor
(Univ Fed Rio Grande Do Sul, 2020-01-01)
Background: Studies on intestinal parasites in cougars Puma concolor are scarce, and most of the available information on the species has been derived from individuals in captivity. One of the greatest threats to the ...