1、Silane: Risk assessment, environmental, and health hazard

Silane (SiH4) is a group 14 hydride, flammable and colorless gas with an unpleasant smell of vinegar (acetic acid). The presence of Si (OR)3 and organofunctional (vinyl-, amino-, epoxy-, etc.) groups is practically responsible for its use as a precursor to elemental silicon and adhesion mechanism.

2、Enhancing Interfacial Adhesion and Moisture Damage Resistance in

This study investigates the application and evaluation methods of silane coupling agent (SCA) at the asphalt mixtures level to accurately establish the correlation between interfacial enhancement and moisture damage resistance of asphalt mixtures. Multi-scale methods combined scanning electron microscopy (SEM), energy-dispersive spectroscopy (EDS), and surface free energy (SFE) were utilized ...

3、The Main Hazards of Silane Coupling Agents

Health Risks to Humans The potential health hazards of silane coupling agents are significant. Workers exposed to these chemicals over long periods may experience skin allergies, respiratory irritation, or even chronic poisoning.

4、Silanes and Other Coupling Agents

The analysis of silanes on substrates and the elucidation of the exact nature of the silane surface layers and their relationship to the coating conditions has proven to be difficult.

5、Environmental Impact Analysis of Silane Coupling Agents

This paper studies the effect of different modified SiO2 on SR performance through molecular dynamics simulation, and explores the mechanism of three silane coupling agents enhancing SiO 2 -SR bonding through interaction energy analysis.

Limitless silanes

Silane coupling agents are silicon-based chemicals that contain two types of reactivity – inorganic and organic in the same molecule.

(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...

Silane Coupling Agents

Silane coupling agents are compounds whose molecules contain functional groups that bond with both organic and inorganic materials. A silane coupling agent acts as a sort of intermediary which bonds organic materials to inorganic materials.

Influence of silane

The objective of this research was to investigate the influence of silane-hydrolysate coupling agents on various parameters of the interfacial adhesion between bitumen and mineral aggregate by applying molecular dynamics (MD) simulations.

Subcritical Water

Silane coupling agents─typically represented by the structure RSiX 3, where R is an inert organic group and X is a hydrolyzable group such as an alkoxy─have been widely used since the 1950s in various surface modification applications, (1,2) such as imparting hydrophobicity to glass surfaces.

Silane coupling agents, as an essential class of organosilicon compounds, play a crucial role in modern industry. They are widely used in fields such as electronics, automotive, construction, and aerospace, serving as key components in adhesives, sealants, and coatings. These agents ensure high performance and reliability in products. their use is not without risks, and their potential hazards warrant thorough investigation and understanding.

Environmental Pollution First, silane coupling agents may cause environmental pollution during application. Due to their complex composition, which includes various organosilicon monomers and catalysts, these substances can release harmful gases—such as formaldehyde, benzene, and other volatile organic compounds (VOCs)—during decomposition. Prolonged exposure to such chemicals poses health risks, including respiratory irritation, allergic reactions, and more severe health issues.

Toxicity Concerns Second, the toxicity of silane coupling agents cannot be ignored. While the agents themselves are not inherently toxic, solvents and catalysts used in their production may exhibit certain toxicity. If inhaled or absorbed through the skin, these solvents can induce symptoms like headaches, nausea, and respiratory distress. Additionally, heavy metals such as lead and cadmium, if present in concentrations exceeding safety standards, could have long-term adverse effects on both the environment and human health.

Storage and Handling Safety Third, improper storage and handling of silane coupling agents pose significant risks. These agents typically require cool, dry conditions, away from direct sunlight and high temperatures. Suboptimal storage may degrade their performance or render them ineffective. During use, strict adherence to operational procedures is essential. Direct contact with skin or eyes must be avoided, and appropriate protective equipment—such as gloves and goggles—should be employed to minimize accidental exposure.

Health Impact on Workers Furthermore, silane coupling agents may negatively impact the health of operators. Workers frequently exposed to these agents might experience dermal allergies, respiratory irritation, or other symptoms. Regular health screenings and occupational disease prevention measures are critical for personnel involved in their production. Employers must provide necessary personal protective equipment to ensure worker safety and health.

Ecosystem Risks Lastly, the potential ecological impact of silane coupling agents deserves attention. Although they degrade relatively quickly in the environment, large-scale or prolonged usage could still affect water bodies, soil, and biodiversity. Developing environmentally friendly silane coupling agents to reduce ecological harm is a key focus for future research.

while silane coupling agents are indispensable in industrial applications, their associated hazards must not be overlooked. Enterprises and governments should strengthen supervision, enhance the safety and eco-friendliness of these agents, and ensure they do not endanger human health or the environment. Meanwhile, public awareness of rational usage and environmental protection is vital to collectively safeguard our ecosystem.