1、Positively

A diamino-silane coupling agent was successfully combined with PEI as a mixed amine reacting with TMC to create a novel organic-inorganic TFN nanofiltration membrane with high positive charges.

2、添加二氨基硅烷偶联剂制备带正电荷的PEI/TMC纳滤膜用于

Positively charged nanofiltration membrane has gained significant interest in magnesium and lithium separation due to its separation mechanism, especially in salt lake-based lithium industry.

3、Stent coating containing a charged silane coupling agent that

To address these issues, we investigated a new coating comprising 3-aminopropyltriethoxysilane (APTES) with both anti-thrombogenic and cell-adhesion properties.

Modification of Positively Charged Substrates with Silane Coupling Agents

This article delves into how silane coupling agents are used to modify positively charged substrates and explores the impact of this process on material properties.

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.

Positively

Positively charged nanofiltration membrane has gained significant interest in magnesium and lithium separation due to its separation mechanism, especially in salt lake-based lithium industry.

林亚凯

Positively-charged PEI/TMC nanofiltration membrane prepared by adding a diamino-silane coupling agent for Li+/Mg2+ separation. Journal of Membrane Science, 2023, 672, 121468.

Fabrication of positively charged composite nanofiltration membranes

Inspired by the controlled growth of succulent plants, the positively charged PA/ZIF-8/PSF composite NF membranes with “multilayer interlocking” structure were prepared successfully based on ZIF-8 layer anchored constrained growth and further interfacial polymerization.

Stent coating containing a charged silane coupling agent that regulates

To address these issues, we investigated a new coating comprising 3-aminopropyltriethoxysilane (APTES) with both anti-thrombogenic and cell-adhesion properties.

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.

In modern chemical industries, silane coupling agents, as critical organosilicon compounds, have garnered significant attention due to their unique properties and versatile applications. Particularly in surface treatment and adhesion fields, positively charged silane coupling agents (PCSCAs) are favored by researchers and enterprises for their exceptional performance. This paper aims to explore the properties, applications, and future trends of PCSCAs, providing references for research and practical use in related domains.

I. Basic Properties of Positively Charged Silane Coupling Agents

PCSCAs are silane coupling agents containing positively charged functional groups, characterized by molecular structures with siloxane bonds (Si–O) capable of forming covalent bonds with silicon atoms. This structure enables PCSCAs to establish stable chemical bonds on silicon surfaces, facilitating the modification and functionalization of silicon materials. Key properties include:

1. High Reactivity: PCSCAs readily undergo cross-linking reactions with various silane coupling agents, forming stable siloxane bonds. This feature broadens their application prospects in surface treatment and adhesion.

2. Excellent Stability: PCSCAs maintain stability at room temperature and exhibit low reactivity with other chemicals, ensuring safety during storage and handling.

3. Broad Compatibility: PCSCAs demonstrate strong compatibility with diverse substrates, enabling surface modifications for multiple silicon-based materials. This adaptability underpins their widespread use in coatings, inks, adhesives, and more.

II. Applications of Positively Charged Silane Coupling Agents

PCSCAs play vital roles in surface treatment and adhesion, with major applications including:

1. Coatings and Inks: PCSCAs enhance adhesion, wear resistance, and anti-aging properties of coatings and inks. They also improve leveling, transparency, and decorative effects.

2. Adhesives: PCSCAs boost bonding strength, water resistance, and longevity of adhesives. Additionally, they improve flexibility and impact resistance, enhancing performance.

3. Electronic Encapsulation: PCSCAs elevate the electrical, thermal, and humidity-resistant properties of encapsulation materials, improving reliability and lifespan of electronic devices.

4. Textiles: PCSCAs increase abrasion resistance, waterproofing, and stain resistance, adding value to textile products.

III. Future Development Trends of Positively Charged Silane Coupling Agents

Driven by technological advancements and market demands, future development of PCSCAs will prioritize:

1. Green Chemistry: Emphasizing eco-friendly production and usage to minimize environmental impact, aligning with sustainable development goals.

2. High Performance: Improving properties (e.g., bonding strength, durability) through optimized synthesis and formulations to meet demanding industrial needs.

3. Multifunctionalization: Developing PCSCAs with combined functionalities (e.g., adhesion, protection, conductivity) to cater to diverse application scenarios.

4. Smart Manufacturing: Leveraging artificial intelligence to optimize production processes, enhance efficiency, and ensure product consistency.

As high-performance organosilicon compounds, PCSCAs hold immense potential in surface treatment and adhesion. By analyzing their properties, applications, and future directions, it is evident that PCSCAs will play an increasingly critical role in chemical industries. Continued research into their mechanisms, applications, and innovations will significantly advance technological progress and industrial growth in this field.