1、Si 69®

Si 69® reacts with hydroxyl groups of white fillers during mixing and with the polymer during vulcanization under formation of covalent chemical bonds. This imparts greater tensile strength, higher moduli, reduced compression set, increased abrasion resistance, and optimized dynamic properties.

2、(PDF) Reactivities of silane coupling agents in the silica/rubber

Si69 and Si75, typical commodities of silane coupling agents, are often employed in tire recipes to work as the bridges connecting silica and polymers, with which rolling resistance and...

3、株洲兴隆化工白炭黑TDS

It not only performs the same function as Si-69 or Si-75 but also can be used more easily. It is used to improve physical and mechanical properties of vulcanization.

4、硅烷偶联剂Si

硅烷偶联剂Si-69 - 简介 双 (γ-三乙氧基硅基丙基)四硫化物。 它是无色液体，具有特殊的硫磺气味。 双 (γ-三乙氧基硅基丙基)四硫化物主要用于交联硫化橡胶的制备和改性。 它通过与橡胶中的硫进行反应，形成交联结构，提高橡胶的机械性能、耐热性和 ...

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

The S-silane coupling agent Si-69 and Si-75 developed by our company have been widely used in composites, especially in improving the elastic modulus and tensile strength of rubber, and remarkably improving the rubber’s function of wear-resistance, compression performance and tear resistance, while reducing the rubber’s viscosity to save ...

Silica/Silane System for the Rubber Industry

lowest abrasion leaving no unwanted traces. And when it comes to highest loads and durability, the addition of a coupling agent such as Si 69® provides highest reinforcement and lo

COUPLING AGENT The Chemical Company

SI-69 Silane coupling agent FEATURE Improved dynamic characteristics like Improve the stability of cross-linking, tear, shear, water resistance, etc., lower compression deformation, heat

Reactivities of silane coupling agents in the silica/rubber composites

Si69 and Si75, typical commodities of silane coupling agents, are often employed in tire recipes to work as the bridges connecting silica and polymers, with which rolling resistance and wet traction are enhanced without loss in abrasion resistance.

Silane Coupling Agent Si

Specifications: ... Application Range： SI-69 is used successfully in the rubber industry as a dual functional organic poly sulfur silane coupling agent. SI-69 can be used in the vulcanized rubber system with fillers such as silica, fiberglass, talc powder, mica powder and clay as reinforcing agent. It can improve the

In modern industry, improving material performance and ensuring quality control are critical. Silane coupling agents, as essential chemical additives, play a vital role in enhancing the interfacial adhesion strength of composite materials and improving mechanical properties. This article explores in depth the characteristics, applications, and industrial significance of silane coupling agents 69 and 75.

Both silane coupling agents 69 and 75 stand out in their respective series due to their unique chemical structures and physical properties. Silane coupling agent 69 is renowned for its exceptional chemical stability and superior adhesive properties, commonly used to enhance the interfacial bonding of plastics, rubber, and other materials. Silane coupling agent 75, meanwhile, excels in high-temperature resistance and anti-aging performance, making it widely applied in high-performance composites.

The key feature of silane coupling agent 69 lies in its ability to form stable chemical bonds with various substrates, thereby improving mechanical strength and corrosion resistance. This property expands its potential applications in manufacturing electronic components, automotive parts, and other fields.

In contrast, silane coupling agent 75 distinguishes itself through outstanding temperature resistance and anti-aging capabilities. Under high-temperature conditions, it maintains stable performance without compromising adhesion. Additionally, its UV resistance enables long-term outdoor use without degradation, rendering it indispensable in outdoor construction materials, solar panels, and related industries.

The applications of silane coupling agents 69 and 75 are equally diverse. In electronics, agent 69 enhances circuit board adhesion, preventing short circuits. In automotive manufacturing, agent 75 improves body material bonding, boosting vehicle performance and safety.

Beyond industrial uses, these agents also play critical roles in aerospace, biomedical engineering, and other fields. For instance, agent 69 strengthens composite structural integrity in aerospace, ensuring aircraft safety, while agent 75 contributes to biomedical materials, such as cell culture substrates.

neither agent is flawless. Despite its strong adhesive properties, agent 69 is relatively expensive and has higher environmental impact. Agent 75, while thermally stable, requires specialized processing to avoid performance issues. Thus, selection must balance specific application needs and constraints.

silane coupling agents 69 and 75 are indispensable for enhancing material performance and product quality. With technological advancements, these agents are poised for broader applications and improved performance. Future innovations in silane coupling agents hold the promise of delivering greater convenience and breakthroughs for society.