1、Removal of Silane

the removal of silane-based coupling agents is a complex process requiring comprehensive consideration. Future efforts should focus on exploring innovative methods, improving efficiency, reducing environmental impact, and achieving green removal of these agents.

2、硅烷偶联剂对磁性纳米材料的表面改性：作用

对MNMs改性官能团的方法包括活性官能团的共价结合和硅烷偶联剂(Silane coupling agents,SCA)键合[4]。共价结合� �先在材料表面引入活性官能团( 氨基[11,12]、 苯基和氟基[14]),再通过

3、“Silatranization”: Surface modification with silatrane coupling agents

Compared to conventional silane coupling agents, silatranes exhibit remarkable hydrolytic stability and enhanced resistance to self-condensation, enabling controllable, water-independent formation of a polysiloxane self-assembled monolayer.

4、(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...

5、Recent Progress in Silane Coupling Agent with Its Emerging

Four types of silane-based and two types of titanate-based coupling agents were added separately to the rubber matrix during the mixing process. The static and dynamic adhesion between the CBF cord/rubber matrices were investigated using the H pull-out test and an elastomer testing system.

Study on the Regulation Mechanism of Silane Coupling Agents

Therefore, this study prepares Fe 3 O 4 /CNT silicone oil-based magnetic liquids using an in-situ chemical coprecipitation method. It employs three silane coupling agents with different functional groups and chain lengths for surface modification.

Investigation of grafting silane coupling agents on

The present study demonstrated the wettability properties of grafting silane coupling agents on carbonyl iron (CI)/SiO 2 particles for efficient oil/water mixture and emulsion separation. CI...

Effect of different silane coupling agent modified SiO2 on the

Through the analysis methods of interaction energy, free fraction volume, radial distribution function and pull-out simulation, the improving mechanism of three silane coupling agents modified SiO2 on material properties can be explored from the perspective of molecular simulation.

Silane Coupling Agent

Silane coupling agents improve the mechanical properties of silica and silicate containing fillers. A chemical bond is formed between the filler and the rubber matrix. The generally used silane coupling agents are bis- (3-triethoxysilylpropyl)tetrasulfane and 3-thio-cyanatopropyl triethoxysilane.

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. The coupling agent provides a stable bond between two otherwise poorly bonding surfaces.

In modern industry, silane-based coupling agents, as a novel class of chemical additives, are widely used in fields such as plastics, rubber, coatings, and composite materials to improve physical properties, enhance processing efficiency, and extend service life. with the rise of environmental awareness and the advancement of sustainable development strategies, the use of silane-based coupling agents faces new challenges. How to efficiently and environmentally remove these coupling agents has become an urgent problem to address. This article explores methods for the removal of silane-based coupling agents.

The removal methods for silane-based coupling agents are diverse, primarily including physical, chemical, and biological approaches, among others.

1. Physical Methods

Physical methods rely on physical interactions to remove silane-based coupling agents. For example, heating can volatilize the coupling agents from materials, while mechanical vibration can dislodge them from surfaces. These methods are simple and cost-effective but may cause environmental pollution.

2. Chemical Methods

Chemical methods involve removing silane-based coupling agents through chemical reactions. Common approaches include:

• Acid-base neutralization: Adding alkaline or acidic substances to chemically react with the coupling agents and dissolve them.
• Oxidation-reduction: Using oxidizing or reducing agents to decompose the coupling agents.
• Complexation: Adding chelating agents to form complexes with metal ions for removal. While chemical methods are highly efficient, they may cause secondary pollution and require complex operational processes.

3. Biological Methods

Biological methods utilize microorganisms’ metabolic activities to remove silane-based coupling agents. In recent years, these methods have gained traction. For instance, certain microbes can degrade silane compounds into harmless substances, while others adsorb them for environmental removal. Biological methods are eco-friendly and efficient but require suitable microbial strains and longer growth cycles.

4. Combination Methods

To improve removal efficiency and reduce environmental impact, combination methods integrate multiple approaches. For example, physical methods can be used for preliminary treatment followed by chemical methods for deep processing, or biological methods can precede physical/chemical treatments. Such combinations leverage the strengths of each method, enhancing efficiency and minimizing pollution.

5. Future Prospects

Advancements in technology will drive more diversified, efficient, and eco-friendly removal methods. For instance:

• Novel nanomaterials may enable breakthroughs in removal technologies.
• Genetic engineering could expand the selection and application of effective microorganisms.
• Artificial intelligence (AI) and big data may optimize removal processes.

the removal of silane-based coupling agents is a complex process requiring comprehensive consideration. Future efforts should focus on exploring innovative methods, improving efficiency, reducing environmental impact, and achieving green removal of these agents.