1、新型巯基硅烷偶联剂的制备及热分解动力学,Journal of

Preparation and Thermal Decomposition Kinetics of Novel Silane Coupling Agent with Mercapto Group Using carbon disulfide and 3-aminopropyltriethoxysilane as raw materials, a novel silane coupling agent with a terminal group was synthesized for the first time.

2、Preparation and Thermal Decomposition Kinetics of Novel Silane Coupling

the thermal decomposition kinetics of a thiohydrazide-iminopropyltriethoxysilane coupling agent was investigated, including thermal stability, decomposition constants (K d), and activation energy (E a), and then the equation of thermal decomposition kinetics was obtained.

3、Synthesis and performance study of bio

With the rapid advancement of 5G and 6G technologies, the demand for high-performance epoxy-based thermal conductive composite materials has significantly increased. In this study, a novel bio-based bis-epoxy silane coupling agent (SiE2PG) was synthesized using pyrogallol as the starting material.

Thermal Decomposition of Silane Coupling Agents

Thermal decomposition of silane coupling agents is a multifactor-driven process involving molecular structural disruption and new bond formation. Understanding this behavior and its impact on materials is vital for optimizing designs and improving performance.

Decomposition Time of Silane Coupling Agents

This article explores the decomposition time of silane coupling agents and its influencing factors, aiming to provide theoretical support and practical guidance for their application.

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.

Structures of silane coupling agents used

In the surface treated inorganic particles with silane coupling agent (SCA), chemisorbed and physisorbed molecules are present in the treated layer. Increasing the amount of chemisorption by...

Effect of Different Silane Coupling Agents on Properties of Waste

The effects of different silane coupling agents on the microstructure, mechanical properties, thermal decomposition, and crystallization properties of the composites were studied.

Preparation and thermal properties of silane coupling agent

Bisphenol A diether dianhydride (BPADA) was used as the starting material to react with allylamine to synthesize the imide ring-containing compound BPADA-AA,and then BPADA-AA was reacted with triethoxysilane by silico addition reaction to prepare a new imide ring-containing silane coupling agent BPADA-AA-TES.The structure of the new ...

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).

Silane coupling agents, a critical class of organosilicon compounds, play an indispensable role in modern industry. They are widely utilized not only in coatings, adhesives, and sealing materials but also in high-tech fields such as electronic encapsulation and composite materials manufacturing. with the broad application of silane coupling agents, research on their thermal decomposition products has increasingly become a focus of attention. This paper aims to explore the properties, origins, and potential environmental impacts of these decomposition products, with the goal of providing references for sustainable development in related fields.

1. Chemical Structure and Thermal Decomposition Characteristics of Silane Coupling Agents

Silane coupling agents typically consist of silicon atoms covalently bonded to organic groups. These groups, including alkoxy, aryloxy, amino, mercapto, and others, impart diverse functionalities and performance characteristics to the agents. Under high temperatures, silane coupling agents undergo thermal decomposition, a process involving bond cleavage and the formation of new chemical bonds. The decomposition temperature is influenced by factors such as molecular weight, functional group type, and external conditions like oxygen concentration.

2. Types and Properties of Thermal Decomposition Products

The thermal decomposition products of silane coupling agents primarily include inorganic substances like silicates, silanols, silyl ethers, and silyl esters, as well as low-molecular-weight organic compounds. These products exhibit varying chemical properties: some possess high boiling points and thermal stability, while others are volatile or even toxic. Additionally, the complexity of thermal decomposition reactions often results in mixtures of multiple chemical species.

3. Environmental Impact of Thermal Decomposition Products

The decomposition products of silane coupling agents may harm the environment and human health. For instance, excessive silicates or silanols could contaminate soil and water sources, while volatile low-molecular-weight organic compounds might pose respiratory risks. Furthermore, the heat released during decomposition could alter local temperature distributions, contributing to microclimate warming or cooling.

4. Control and Utilization of Thermal Decomposition Products

To mitigate environmental and health risks, researchers are exploring strategies such as redesigning silane coupling agents to reduce harmful byproducts, developing new catalysts or additives to improve decomposition efficiency, and adopting closed-loop recycling technologies to transform decomposition products into valuable chemicals or resources.

The thermal decomposition of silane coupling agents is a complex process influenced by multiple factors. Further research is needed to fully understand the properties and environmental impacts of their decomposition products. By optimizing agent design, controlling decomposition conditions, and implementing effective environmental management, potential risks can be minimized. With advancements in technology and growing environmental awareness, it is hopeful that the thermal decomposition products of silane coupling agents will be managed and applied more scientifically and sustainably in the future.