Polymer Testing, 2021 Nitrocellulose (NC) is a polymer of great interest in the aerospace and paint/coating fields. However, there are gaps regarding quantitative analysis. Fast and accurate methodologies for the quality control of raw materials are limited.
Milton Faria Diniz
exaly +4 more sources
Quantification by FT-IR (UATR/NIRA) of NBR/SBR blends [PDF]
Polimeros, 2018 Rubber blends are important materials in automotive industry, as well as in other sectors. However, there are implications when suitable use of a polymer in an artifact is not made. In the automotive area, for example, the use of an elastomer without the
Milton Faria Diniz +2 more
exaly +6 more sources
Characterization of additives in NR formulations by TLC-IR (UATR) [PDF]
Polimeros, 2018 It is a well-established fact that rubber accelerator is essential to provide solution in different sectors. However, there is a reversal process which can reduce the material performance.
Milton Faria Diniz +2 more
exaly +5 more sources
UATR and NIRA evaluation in the quantification of ATBC in NC blends [PDF]
Polimeros, 2018 The paint industry requires rapid and accurate methodologies of raw materials qualitiy controls. For example, the evaluation of the suitable ratio of binary mixtures of polymer/plasticizer such as nitrocellulose (NC)/acetyl tributyl citrate (ATBC) must ...
Milton Faria Diniz +2 more
exaly +5 more sources
FT-IR methodology (transmission and UATR) to quantify automotive systems [PDF]
Polimeros, 2018 When using Fourier transform infrared spectroscopy (FT-IR) under the qualitative aspect for characterization of polymer blends, often a simple identification of each one of the existing polymers in the blend does not justify the material failure since ...
Elizabeth Mattos, Diniz Milton Faria
exaly +5 more sources
Determinação por FT-IR de transmissão e reflexão (UATR) de etileno e propileno em EPDM [PDF]
Polimeros, 2014 Foi desenvolvida uma metodologia para a determinação dos teores de etileno (ET) e propileno (P) em amostras de borracha (elastômero puro, crua e vulcanizada), à base do copolímero de etileno-propileno-dieno monômero (EPDM), por espectroscopia no ...
Rita De Cassia Lazzarini Dutra +2 more
exaly +5 more sources
Separação e identificação de aditivos em tinta por TLC-IR/ UATR e extração seletiva [PDF]
Polimeros, 2016 Resumo Vários aditivos são incorporados nas formulações de tintas para evitar defeitos no revestimento e melhorar o desempenho nas aplicações, constituindo, desse modo, um sistema complexo.
Elizabeth Mattos +2 more
exaly +5 more sources
TLC/IR (UATR) off-line coupling for the characterization of additives in EPDM rubber compositions [PDF]
Polimeros, 2016 The knowledge of the components that constitutes a rubber composition is important to justify the properties of the final device, particularly when it comes to elastomeric compositions used in the aerospace industry. The development of methodologies that
Rita De Cassia Lazzarini Dutra +2 more
exaly +5 more sources
Evaluation of hydrogel use in the development of Rapanea ferruginea with water restriction by vibrational Fourier Transform Infrared Spectroscopy (FTIR-UATR) [PDF]
Revista Ambiente & Água, 2021 This study evaluated the use of hydrogel on the development of Rapanea ferruginea under water restriction through Vibrational Fourier Transform Infrared Spectroscopy (FTIR-UATR). Seedlings of approximately 30 cm height were transferred in pots with 3 L of soil. The group of seedlings was separated into 5 different triplicate treatments according to the
Kumiko Koibuchi Sakane +2 more
exaly +5 more sources
A Survey of Underwater Acoustic Target Recognition Methods Based on Machine Learning
Journal of Marine Science and Engineering, 2023 Underwater acoustic target recognition (UATR) technology has been implemented widely in the fields of marine biodiversity detection, marine search and rescue, and seabed mapping, providing an essential basis for human marine economic and military ...
Xinwei Luo, Hongli Cao, Hanlu Zhou
exaly +3 more sources