1、The modification mechanisms of silane coupling agent (SCA) on the

In the study, a novel thermosetting polyurethane asphalt binder (PUAB) modified by silane coupling agent (SCA) was prepared. The modification mechanism of SCA was analyzed, and physical performance of PUAB was evaluated by laboratory experiments.

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

The effects of a silane coupling agent such as (N - (nbutyl) 23-aminopropyltrimethoxy silane) on old corrugated container (OCC) fibers, as a recyclable material, were studied on the ultimate strength of the prepared OCC fibers/high density polyethylene composites.

3、Silanes and Other Coupling Agents; Volume 2

Many different aspects of coupling agents were discussed, and both fundamental and applied aspects were accorded due coverage. In addition to formal presentations, there were brisk and lively discussions throughout the symposium, and this event provided an opportunity for cross-pollination of ideas in the broad arena of adhesion promoters.

4、Reactivities of silane coupling agents in the silica/rubber composites

When the agents were coupled with silica, not only the acid+water condition but also the pure acid condition was confirmed to readily trigger the condensation reactions. The corresponding Gibbs free energy barriers were related to the charge distributions of reaction regions.

Limitless silanes

Silane coupling agents have the unique chemical and physical properties to not only enhance bond strength, but also prevent de-bonding at the interface due to use and aging, especially in humid conditions.

How Silane Coupling Agents Become Secret Weapons in

In the field of materials science, silane coupling agents play a crucial role. In particular, KH-570 and KH-560 are two types of silane coupling agents that, when mixed in a 3:2 ratio, can significantly enhance adhesion to substrates.

Recent Progress in Silane Coupling Agent with Its Emerging

The methoxy-type silane coupling agent composites-based modification is discussed using diferent methods exhibiting higher reactivity towards hydrolysis.

Recent Progress in Silane Coupling Agent with Its

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...

Surface modification of lithium

In this work, silane coupling agent (3-aminopropyl)triethoxysilane (KH550) was employed for surface modification of HTO to yield the HTO/KH550 composite by forming covalent bond. The crystallinity, composition, morphology, and porosity of HTO/KH550 were characterized by a series of techniques.

The Effect of Silane Coupling Agent Modification on the Mechanical

Analysis indicated that the applica-tion of silane coupling agents can enhance the dispersion of CNTs and boost the wettability between CNTs and epoxy resin. The surface of CNTs forms covalent bonds with the epoxy matrix, remarkably strengthening the interfacial adhesion between them.

In industrial production processes, silane coupling agents, as an essential class of surface-active agents, are widely used and irreplaceable. with the increasing awareness of environmental protection and the need for sustainable resource utilization, the recovery of silane coupling agents has become particularly important. This not only reduces environmental pollution but also conserves resources, achieving a win-win situation for economic benefits and environmental protection. This article discusses the classification, recovery technologies, environmental impacts, and economic analysis of silane coupling agents.

1. Classification and Characteristics of Silane Coupling Agents

Silane coupling agents are compounds containing siloxane bonds (Si-O-Si), commonly used to improve the surface properties of polymer materials, such as enhancing adhesion, abrasion resistance, and other performance metrics. Based on their chemical structures, silane coupling agents can be categorized into various types, including vinyl silanes, amino silanes, mercapto silanes, and others. Each type has unique properties and application ranges, and selecting the appropriate silane coupling agent is critical to optimizing product performance.

2. Recovery Technologies for Silane Coupling Agents

The recovery of silane coupling agents primarily relies on physical and chemical methods. Physical methods include distillation, adsorption, and centrifugation, while chemical methods involve solvent extraction and ion exchange. The choice of method depends on the properties, concentration, and post-recovery usage requirements of the silane coupling agent. For example, low-concentration agents can be recovered through simple distillation, whereas high-concentration or specific types may require more complex chemical treatments.

3. Environmental Impact of Silane Coupling Agent Recovery

The recovery process may pose environmental challenges. First, solvents used during recovery could lead to pollution, such as emissions of volatile organic compounds (VOCs). Second, improper handling might generate hazardous substances, such as heavy metals or organic contaminants. effective measures—such as using eco-friendly solvents and optimizing process parameters—are essential to minimize environmental impact.

4. Economic Analysis of Silane Coupling Agent Recovery

From an economic perspective, recovering silane coupling agents offers significant cost advantages. On one hand, it reduces raw material costs by extracting valuable components from waste. On the other hand, it lowers energy consumption and production expenses. Additionally, stringent environmental regulations make recovery not only environmentally compliant but also eligible for policy support and tax incentives, further aligning economic and environmental benefits.

the recovery of silane coupling agents is a vital approach to mitigating environmental pollution and enabling resource circularity. Through scientific recovery technologies and rational management practices, the negative environmental impact of silane coupling agents can be effectively reduced while delivering considerable economic benefits to enterprises. Promoting these recovery technologies is therefore crucial for advancing the development of green chemical industries.