1、silane coupling agent、硅烷偶联剂、硅油
HD-113硅烷偶联剂(即A-1891)带有巯基功能团,作为金属表面防锈剂具有特殊功效,用其处理金、银、铜等金属表面,可增强其表面的耐腐性、抗氧化性以及增加其与树脂等高分子的粘接性;在橡胶工业中,常用于处理白炭黑,炭黑,玻璃纤维、云母等无机填料 ...
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、Evonik Dynasylan SIVO 113 Silane Coupling Agent
Evonik Dynasylan SIVO 113 is a specialized Silane Coupling Agent designed for SIVO 110 sol-gel binder systems. This water-based functional silane formulation significantly enhances weatherability and durability while maintaining excellent compatibility with base coatings.
4、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.
5、Silane Coupling Agents
What are 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.
Silane Coupling Agent A
It is a versatile amino functional coupling agents used over a broad range of applications to provide superior bonds between inorganic substrates and organic polymers. The primary amine function reacts with a wide array of thermoset, thermoplastic and elastomeric materials.
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.
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.
Limitless silanes
A silane coupling agent will act as an interface between an inorganic substrate (such as glass, metal or mineral) and an organic material (such as an organic polymer, coating or adhesive) to bond the two dissimilar materials.
Silane Coupling Agent
There are three basic approaches for using silane coupling agents. The silane can be used to treat the surface of the inorganic materials before mixing with the organic resin or it can be added directly to the organic resin or holistic mixing (in organic-inorganic mixture).
In modern industry, advancements in materials science have provided new technical means for the bonding and surface treatment of various materials. Among these, silane coupling agents, as highly efficient chemical bonding promoters, are widely used in the adhesion, reinforcement, and surface modification of metals and non-metallic materials. This article explores in depth the scientific principles, application range, preparation methods, and industrial importance of the 113 silane coupling agent.
I. Scientific Principles
Silane coupling agents are organic compounds containing silicon atoms, with molecular structures that include siloxane bonds capable of reacting with inorganic or organic substances. When a silane coupling agent contacts the surface of an inorganic material, the siloxane bonds break, releasing reactive silanols. These silanols react with hydroxyl or amino groups on the inorganic surface, forming stable siloxane bonds that enhance adhesion between materials.
For organic materials, the siloxane bonds in silane coupling agents can react with polar functional groups (such as carboxylic acid groups) on organic surfaces, forming covalent bonds. This improves compatibility between organic and inorganic materials. Additionally, silane coupling agents can enhance surface wettability and affinity through physical adsorption.
II. Application Range
The 113 silane coupling agent is widely used in multiple fields due to its excellent performance:
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Adhesion Between Metals and Non-Metals: The 113 silane coupling agent significantly improves bonding strength between metals and non-metals. For example, aluminum or copper surfaces treated with silane coupling agents can achieve strong adhesion with materials like epoxy resin and ceramics.
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Modification of Plastics and Rubber: In the production of plastics and rubber, silane coupling agents enhance mechanical properties and weather resistance. For instance, polyvinyl chloride (PVC) treated with silane coupling agents exhibits better aging resistance.
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Applications in the Electronics Industry: In electronics, silane coupling agents are used for bonding chips to substrates, improving the performance and reliability of electronic products.
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Aerospace Applications: In aerospace, silane coupling agents are employed for bonding and repairing composite materials in aircraft, enhancing load-bearing capacity and service life.
III. Preparation Methods
The preparation of the 113 silane coupling agent typically involves the following steps:
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Selection of Suitable Silane Coupling Agent: Choose the appropriate silane coupling agent based on the material type and application field.
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Activation Treatment: Activate the surface to be treated to improve adsorption efficiency. Common activation methods include acid washing, alkaline washing, and heat treatment.
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Coupling Reaction: Immerse the activated substrate in a solution containing the silane coupling agent for the reaction. Reaction conditions (temperature, time, concentration) must be adjusted according to specific material and process requirements.
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Post-Treatment: After the coupling reaction, clean and dry the material to remove unreacted silane coupling agents and impurities.
IV. Industrial Importance
The importance of the 113 silane coupling agent in industrial production is self-evident. It not only improves bonding strength and durability but also reduces production costs and enhances efficiency. In a competitive market, possessing efficient and reliable silane coupling agent products is key to gaining a competitive edge.
The 113 silane coupling agent, with its unique chemical properties and broad application prospects, has become an important branch of materials science. With technological progress and the development of new materials, the applications of silane coupling agents will expand further, and their industrial importance will grow increasingly prominent. In the future, we can confidently expect silane coupling agents to demonstrate their unique value in even more fields as technology advances.

