1、FT

The hydrolysis and self-condensation reactions of 3- (2-amino-ethylamino)propyl-trimethoxy silane have been studied by means FT-IR spectroscopy for different water and ethanol concentrations.

2、Effect of Silane Coupling Agent Treatment of Aggregates on Mortar

Abstract In this study, 3-aminopropyltriethoxysilane (KH550) and vinyltrimethoxysilane (KH171) were used to modify aggregates and prepare aggregates with different surface wettability. The effect of silane coupling agents on aggregate surface properties was characterized through FT-IR, XPS, contact angles and aggregate water absorption.

3、(PDF) Infrared Study of the Silica/ Silane Reaction

In order to understand this coup- ling reaction in detail, the silanol group density of the silica was characterized in depth. Furthermore, the reaction of a mercapto silane (Si ®) with two...

4、Aspects of Interfacial Structure of Silane Coupling Agents in

Naviroj et al. [34] reported the results of a Fourier-transform infrared spectroscopy (FT-IR) analysis that showed that the amino functional silane became adsorbed onto a glass fiber surface via hydrogen bonding between the amino group and silanol group.

5、A Study of Interface Reaction between Amino Silane and Maleic Anhydride

Abstract Through removing polymer physisorbed on the glass fiber surface with solvent extraction to minimize the signal of the polymer in IR and XPS analysis, the interaction was studied by...

Comparative study of different aminosilane coupling agents for

This study explores the modification mechanism of CF using aminosilane coupling agents and their effects on enhancing composite film properties, providing a valuable reference for future research on CF modification with such agents.

Interaction of silane coupling agents with nano

However, the interaction between the silane coupling agent (SCA) and the nanoparticle surface is not clear yet. This article aims to investigate the surface modification impact on the nano-SiO 2 particle surface and to clarify the interaction between chemical reagent and the particle surface.

The Synergistic Effects of Aminosilane Coupling Agent on the Adhesion

Herein, according to the outlined facts, the synergistic effects of aminosilane coupling agents on the adhesive performance between the substrate and the silicone resin thermal protective coating were studied by SEM, XPS, TGA-IR, and FT-IR.

FT

Download scientific diagram | FT-IR spectra of the surface of SiO 2 particles following amino-silane coupling.

The effect of amino

To better understand the adhesive properties of BF to PA6,6 and the associated mechanisms, we investigated various types of amino-silane coupling agents having different molecular structures.

In the field of chemical synthesis, amino silane coupling agents are a class of important organosilicon compounds. Due to their unique structural characteristics and broad application prospects, they have become a research hotspot in materials science, pharmaceutical chemicals, environmental protection, and other fields. Among them, infrared spectroscopy analysis, as a rapid, simple, and sensitive detection method, plays a significant role in understanding the structural properties of amino silane coupling agents. This paper will explore the application of infrared spectroscopy in analyzing amino silane coupling agents from the perspective of their structural features, as well as interpret the relationship between their structure and performance through infrared spectral data.

The basic structure of amino silane coupling agents consists of silicon atoms covalently bonded to one or more organic groups. This structure endows them with unique physical and chemical properties, such as hydrophilicity, hydrophobicity, and surface activity. In infrared spectroscopy analysis, the characteristic absorption peaks of amino silane coupling agents primarily appear in the range of 1100-1200 cm⁻¹, which is caused by the stretching vibration of Si-O-Si bonds. Additionally, the organic groups in amino silane coupling agents also produce characteristic absorption peaks at corresponding positions. The locations and intensities of these peaks provide important clues about the organic group information.

Infrared spectroscopy analysis plays an irreplaceable role in the application of amino silane coupling agents. First, by comparing the infrared spectra of different amino silane coupling agents, researchers can visually observe structural differences, thereby inferring possible reaction pathways or mechanisms. For example, by comparing the infrared spectra of amino silane coupling agents containing different organic groups, the type and connection mode of the organic groups can be determined. Second, infrared spectroscopy can also be used to monitor chemical changes in amino silane coupling agents during practical applications, such as polymerization and cross-linking processes. This is of great significance for optimizing synthesis processes and improving product quality.

infrared spectroscopy analysis also has some limitations. First, the preparation of samples requires high standards, necessitating the dissolution of amino silane coupling agents in appropriate solvents to form uniform films. Second, infrared spectroscopy can only provide qualitative and semi-quantitative information, unable to directly determine specific molecular weights or structural parameters. when conducting infrared spectroscopy analysis, it is necessary to combine it with other analytical methods (such as nuclear magnetic resonance, mass spectrometry, etc.) to enhance the accuracy and reliability of the analysis.

To overcome the limitations of infrared spectroscopy analysis, researchers are exploring new analytical techniques. For instance, utilizing the high resolution and sensitivity of Fourier-transform infrared spectroscopy (FTIR) enables precise identification and characterization of minute molecules within amino silane coupling agents. Furthermore, combining advanced instrumental techniques (such as Raman spectroscopy, X-ray photoelectron spectroscopy, etc.) allows for comprehensive characterization of amino silane coupling agents, including their structure, composition, and performance.

infrared spectroscopy analysis of amino silane coupling agents is a fundamental and crucial task. By analyzing the infrared spectra of amino silane coupling agents, their structural characteristics and chemical properties can be revealed, providing an essential basis for optimizing synthesis processes and enhancing product quality. Meanwhile, with the continuous emergence and application of new analytical technologies, infrared spectroscopy analysis of amino silane coupling agents will become more accurate, efficient, and convenient.