1、Effect of silane coupling agent KH550 on the dielectric properties of

Flexible CaCu 3 Ti 4 O 12 (CCTO)/polyurethane dielectric composite films were fabricated, and the effects of the silane coupling agent, 3-Aminopropyltriethoxysilane (KH550), on the dielectric properties of the composite films were investigated.

2、硅烷偶联剂

硅烷偶联剂在制备有机聚合物与玻璃、矿物和金属等无机填料的复合材料中发挥着重要作用。 硅烷偶联剂的一般结构为 (RO)3-Si-R'-X，其中 X 为有机官能团，R'为小的亚烷基链节，RO 为可水解基团，如烷氧基。 有机官能团和烷氧基可分别与聚合物基体和填料颗粒形成强键。 恒达硅烷偶联剂包括氨基硅烷、甲基丙烯酸酯硅烷、环氧硅烷、乙烯基硅烷、巯基硅烷、烷基硅烷、硅酸乙酯、氯硅烷、异氰酸酯硅烷、苯基硅烷、脲基硅烷和硫硅烷。 它们广泛应用于玻璃纤维、电子、风电、涂料、粘合剂、XLPE 电线电缆和热水管、油田钻井、纺织、橡胶和铸造等领域，以提高应用产品的质量和性能。 硅烷偶联剂在制备有机聚合物与玻璃、矿物和金属等无机填料的复合材料中发挥着 …

3、硅烷偶联剂 KH

硅烷偶联剂KH-550，化学名为3-氨丙基三甲氧基硅烷，是一种有机硅化合物。 它具有下列性质： 1. 外观：无色至浅黄色液体。 其中，CH3O代表甲氧基，Si代表硅，CH2代表亚甲基，NH2代表胺基， (CH3)2代表两个甲基。 3. 密度：约为0.97 g/cm³。 6. 可溶性：易溶于有机溶剂，如醇、醚等。 1. 作为表面活性剂：可用于改善填料、陶瓷粉体等材料与树脂的相容性，提高材料的耐磨性、耐久性和粘接强度。 2. 作为偶联剂：可用于改善填料与橡胶、塑料等材料的界面粘合能力，提高材料的强度、硬度和耐腐蚀性。 3. 作为改进剂：可用于涂料、油墨等产品，改善涂料与基材的附着力、耐久性和耐候性。 硅烷偶联剂KH-550的制法一般通过硅烷基化反应来合成。

4、硅烷偶联剂KH

贮存: 密封保存。

5、China KH

3-Aminopropylmethyldiethoxysilane (CAS No. 3179-76-8), Silane coupling agent KH-552, is a amino-functional silane which acts as an adhesion promoter between inorganic materials (glass, metal, fillers and etc) and organic polymers (thermosets, thermoplastics and elastomers) and as a surface modifier.

Effect of different silane coupling agent modified SiO2 on the

On this basis, the silicone rubber composite system models of three silane coupling agents (KH550, KH560, KH570) modified SiO2 are established respectively.

Effect of different silane coupling agent modified SiO2 on the

The silane coupling agent modified on the surface of the particles enhances the compatibility between the nanoparticles and the insulating material, thus further improving the mechanical, dielectric properties and thermal stability of the composites.

Molecular structures of silane coupling agents KH550

In this study, molecular dynamics simulations were used to investigate the micro-scale effects of modification of nano-SiO2 with commonly used silane coupling agents (KH550, KH560,...

Silane Coupling Agent KH

Silane Coupling Agent KH-550 information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices, suppliers, SDS and more, available at Chemicalbook.

Silane coupling agent KH

It is mainly used as surface treatment agent of glass fiber, also on surface treatment of glass beads, white carbon black, talc, mica, clay and flyash or other silicide.

Silane coupling agent KH552 is a chemical compound commonly used in surface modification and composite material preparation. It is typically synthesized from the reaction of vinyltriethoxysilane (EVS) and aminopropyltriethoxysilane (APTES). The agent offers multiple functions, such as improving adhesion between materials, enhancing wear resistance, and increasing chemical resistance. This article introduces the basic principles, application scope, and typical use cases of silane coupling agent KH552.

Basic Principles of Silane Coupling Agent KH552

Silane coupling agent KH552 is a type of amphiphilic compound with an organic functional group at one end and an inorganic silane group at the other. When it contacts a substrate surface, it undergoes chemical reactions to form stable chemical bonds, significantly improving the physical and chemical properties of the material. The mechanism relies on the organic functional groups reacting with hydroxyl or carboxyl groups on the substrate surface to form covalent or hydrogen bonds, while the silane chains bind to the substrate through intermolecular forces.

Application Fields

Due to its excellent performance, silane coupling agent KH552 is widely used in various fields:

1. Coatings and Inks: Adding KH552 improves adhesion between coatings and substrates, enhances abrasion and chemical resistance, and increases glossiness.
2. Composites: In composites like carbon fiber-reinforced plastics (CFRP), KH552 acts as a coupling agent to strengthen interfacial compatibility and bonding.
3. Metal Surface Treatment: Used for pre-treating metal surfaces to improve adhesion between coatings and substrates, reducing peeling risks.
4. Electronic Packaging Materials: Improves bonding performance between semiconductor devices, preventing environmental failures.
5. Textile Treatment: Enhances adhesion between fibers and fabrics, improving texture and appearance.

Typical Application Case

Below is a representative example of KH552 application: Suppose we are developing a new high-performance composite for aircraft structural components. To enhance mechanical strength and durability, KH552 is selected as the primary additive.

First, the substrate surface is treated to ensure sufficient hydroxyl or carboxyl groups for reaction with KH552. Next, KH552 is added to the composite mixture and uniformly dispersed. Finally, a high-temperature curing process forms stable chemical bonds between KH552 and the substrate, thereby improving overall composite performance.

This approach not only strengthens interfacial adhesion but also enhances wear and chemical resistance, meeting aviation industry demands for high-performance materials.

As a versatile surface modifier, silane coupling agent KH552 plays a critical role in modern industry. By understanding its principles and applications, we can better leverage its potential across fields, contributing to technological advancement and industrial development.