1、Silane Coupling Agent
Power Chemical Corporation (SiSiB SILANES) manufactures organo silanes and related compounds used as adhesion promoters, coupling agents, crosslinkers, surface modifiers and water repellents.
2、硅烷偶联剂 Silane Coupling Agent (2)
硅烷偶联剂是一类具有特殊结构的低分子有机硅化合物，其通式为RSiX3，式中R代表与聚合物分子有亲和力或反应能力的活性官能团，如氧基、巯基、乙烯基、环氧基、酰胺基、氨丙基等;X代表能够水解的烷氧基，如卤素、烷氧基、酰氧基等。 在进行偶联时，首先X基水形成硅醇，然后与无机粉体颗粒表面上的羟基反应，形成氢键并缩合成—SiO—M共价键 (M表示无机粉体颗粒表面)。 同时，硅烷各分子的硅醇又相互缔合齐聚形成网状结构的膜覆盖在粉体颗粒表面，使无机粉体表面有机化。 其化学反应的简要过程如下： 水解： 缩合： 氢键形成： 共价键形成： 硅烷偶联剂在高聚物基复合材料中的作用机理主要有以下几种理论：
3、Hx
This exceptional silane coupling agent presents as a colorless or light yellow transparent liquid, with a boiling point of 255ºC and a flashpoint of 88ºC, ensuring performance even under high temperatures.
4、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.
5、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.
19022_Silane_Coupling_Agents_
The use of a silane coupling agent as a primer is a widely practiced technique for the improvement of the adhesive bonding between a sealing material such as a polyurethane-or polysulfide-based sealant and the surface of an inorganic substrate such as metal or glass, since otherwise the adhesive bonding strength between them is rather poor.
Silane Coupling Agents
Silico’s functional silanes are organic silicone compounds with a hydrolyzable group and a non-hydrolyzable organic radical, enhancing adhesion, durability, and performance. Used in construction, coatings, adhesives, electronics, plastics, and healthcare, they optimize material bonding.
Hx
This product can increase the bonding strength of organic materials to inorganic substrate materials.It is a universal viscosifier.Suitable for most organic and inorganic materials.Used as raw material for amino modified silicone oil and a variety of silicone super soft finishing agents.
2026 Brochure of SILIBASE SILICONE Silane Coupling Agent
CAS NO.
Silane Coupling Agent Manufacture Top10 in China
Silane coupling agents play a crucial role in enhancing adhesion between organic and inorganic materials, making them essential in various industries, including coatings, adhesives, and composites.
In numerous fields of materials science and chemical engineering, silicone coupling agents stand as critical surface modifiers with broad and profound applications. This paper aims to explore in depth the properties, mechanisms of action, and practical examples of premium grade silicone coupling agents, with the goal of providing insights for research and practice in related fields.
Silicone coupling agents are organic silicon compounds that form stable chemical bonds via silicon-hydrogen (Si-H) reactions with inorganic or organic surfaces, thereby enhancing the physical and chemical properties of materials. Premium grade silicone coupling agents represent an advanced category, offering higher reactivity and stability suited to demanding environments and requirements.
Key Properties Premium grade silicone coupling agents exhibit high reactivity, low viscosity, excellent solubility, and ease of handling. These characteristics have led to widespread use in coatings, adhesives, and sealants. For instance, in coatings, they improve adhesion and weather resistance, extending product lifespan; in adhesives, they enhance bonding strength and aging resistance.
Mechanism of Action Their efficacy stems from surface modification through covalent and non-covalent bonding. In coatings, they react with functional groups such as hydroxyls (-OH) and carboxyls (-COOH) on substrate surfaces, forming stable chemical bonds that strengthen adhesion. In adhesives, intermolecular hydrogen bonding amplifies bonding durability and longevity.
Crosslinking and Performance Enhancement These agents can also crosslink with other functional groups to create three-dimensional network structures, significantly improving mechanical properties and thermal stability. This crosslinking not only boosts mechanical strength but also imparts superior heat and solvent resistance.
Practical Considerations Effectiveness depends on factors like temperature, humidity, lighting, and substrate properties. Formulations and process controls must be tailored to specific conditions for optimal results.
Synergistic Effects Combining premium grade silicone coupling agents with additives (e.g., UV absorbers, antioxidants) can further enhance material performance, particularly in high-performance coatings.
Environmental Benefits With low toxicity and biodegradability, these agents minimize environmental and health impacts during production. Their waste is also easier to manage, aligning with sustainable development goals.
As a high-performance surface modifier, premium grade silicone coupling agents hold vast potential in coatings, adhesives, and sealants. By understanding their properties, mechanisms, and applications, researchers and engineers can unlock new directions for innovation. Future advancements may expand their role in driving progress in materials science and chemical engineering.
