1、Recent Progress in Silane Coupling Agent with Its Emerging Applications

Silane coupling agent contain both organic functional and alkoxy groups in one molecule. The silanol group forms from the alkoxy group via hydrolysis.

2、Kinetics of alkoxysilanes hydrolysis: An empirical approach

Alkoxysilanes and organoalkoxysilanes are primary materials in several industries, e.g. coating, anti-corrosion treatment, fabrication of stationary phase for chromatography, and coupling...

3、Systematic study of the effect of silane coupling agent on the

Molecular dynamics simulations are used to elucidate the mechanism by which silane coupling agents (SCAs) affect the hydrothermal aging resistance of the epoxy resin (EP)/silica interface, which is the main type of interface existed in/around the underfill adhesive (UF).

4、Silanes and Other Coupling Agents; Volume 2

Silanes are the most popular and widely used coupling agents (or adhesion pro- moters) to promote adhesion between dissimilar materials in a variety of situations, e.g. coating technology, adhesive bonding, reinforced composites, etc.

Hydrolysis kinetics of silane coupling agents studied by near

In conclusion, the FT-NIR PLS model is a powerful tool for hydrolysis kinetics researching of the silane coupling agents. No potential conflict of interest was reported by the authors.

Silane Coupling Agents

Many conventional coupling agents are frequently used in combination with 10-40% of a non-functional dipodal silane, where the conventional coupling agent provides the appropriate functionality for the application, and the non-functional dipodal silane provides increased durability.

Hydrolysis

Abstract The hydrolysis kinetics of 14 alkoxy silane coupling agents were carried out in an ethanol:water 80:20 (w/w) solution under acidic conditions and were monitored by 1H, 13C, and 29Si NMR spectroscopy.

(PDF) Recent Progress in Silane Coupling Agent with Its Emerging

This paper presents the effects of silane coupling agent, which includes interfacial adhesive strength, water treatment, polymer composites and coatings that make it valuable for...

Practical Guide to Silane Coupling Agents: Hydrolysis, Formulation

The effectiveness of silane coupling agents hinges on precise process tuning. Today we’ll dive into practical techniques for filler treatment and resin modification.

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Fourteen groups (n=7) of different water amounts (90, 50 and 10%v/v) and hydrolysis times (5, 19, 75 and 300 s) of experimental silane coupling agent that were prepared for silanization, non-silanization and commercial silane coupling agent (CSC) groups.

In the field of polymer material science, silane coupling agents, as critical chemical additives, play a vital role in their function as hydrolysis-proof agents. They not only enhance the mechanical and environmental resistance properties of materials but also significantly extend their service life while reducing maintenance costs. This article delves into the mechanisms, application scope, and optimal usage conditions of silane coupling agents as hydrolysis-proof agents.

1. Overview of the Hydrolysis-Proof Function of Silane Coupling Agents

Silane coupling agents are organic compounds containing siloxane (Si-O) bonds, typically existing as monomers. When integrated with polymer matrices, they form stable physical or chemical bonds, thereby strengthening interactions between polymers. As hydrolysis-proof agents, these compounds effectively prevent polymers from undergoing hydrolysis reactions under specific conditions—such as decomposition, dissolution, or degradation in humid or water-exposed environments.

2. Mechanism of Hydrolysis-Proof Action

The hydrolysis-proof effect of silane coupling agents primarily relies on their influence on intermolecular interactions within polymers. When polymers are exposed to moisture, the siloxane bonds in silane coupling agents interact with water molecules, forming hydrogen bonds or other weak interactions. These forces create barriers that resist water penetration, reduce water absorption and swelling rates, and thus delay the hydrolysis process of polymers.

3. Application Range of Hydrolysis-Proof Silane Coupling Agents

The hydrolysis-proof properties of silane coupling agents have found widespread use across diverse fields:

• Construction: Enhancing the water resistance of concrete, mortar, and other building materials to prolong structural longevity.
• Electronics Industry: Protecting circuit boards and sensitive components from moisture-induced corrosion.
• Textiles: Improving water repellency and durability of fabrics through hydrophobic treatments.

4. Rational Use of Hydrolysis-Proof Silane Coupling Agents

To maximize the effectiveness of silane coupling agents as hydrolysis-proof agents, the following principles should be followed:

• Type and Concentration: Selecting appropriate silane coupling agents tailored to specific applications is crucial, as different formulations exhibit distinct chemical behaviors.
• Proper Proportions: The ratio of silane coupling agents to polymers directly impacts performance; optimal proportions must be determined experimentally.
• Environmental Control: Application conditions such as temperature and humidity must be monitored to ensure ideal outcomes.

The hydrolysis-proof function of silane coupling agents underscores their value as high-performance chemical additives. By understanding their mechanisms, expanding their application scope, and optimizing usage strategies, material lifespan can be extended, maintenance costs reduced, and product competitiveness enhanced. In the future, advancements in technology and新材料 development will likely broaden the applications of silane coupling agents and their hydrolysis-proof functions, further benefiting societal progress.