1、Optimizing the compatibility of pyrolytic carbon black and asphalt

This study systematically investigates the impact of three types of silane coupling agents on the molecular behavior of asphalt at the interface with pyrolytic carbon black (PCB) derived from waste tire pyrolysis, ranging from nano to macro scales.

2、Surface modification of commercial carbon black by silane

First, the surface premodification of commercial carbon black with a grade of N660 (CB) was implemented by four different oxidation methods. After that, among of used methods, the oxidation method using citric acid was selected to produce modified carbon black (CB-Oxi) for further treatment.

3、Surface modification of commercial carbon black by silane coupling

In this work, Nylon 6 nanocomposites were synthesized with modified carbon black (MCB), which were considered candidate materials for hemodialysis membranes.

4、A unique coupling agent for elastomer nanocomposites with better carbon

In this paper, a new silane coupling agent named M1 was prepared and introduced as the coupling agent of carbon black, and M1 modified carbon black was prepared.

5、Enhancement of the Electric

In this paper, carbon black (CB)/methyl vinyl silicone rubber (VMQ) composites were modified by adding a silane coupling agent (KH550). The results show that the addition of KH550 eliminates the shoulder peak phenomenon in the resistive response signal of the composites.

Preparation and application of carbon black

In order to investigate the effect of modification on properties of diene rubber composites, a modified CB-filled isoprene rubber (IR) composite was prepared with a multi-functional silane coupling agent, 2-aminoethyl-2- (3-triethoxysilylpropyl)aminoethyl disulfide (ATD).

METHOD FOR PREPARING WHITE CARBON BLACK MODIFIED BY SILANE COUPLING

[0005] CN 1654489 discloses a method involving preparing nano-silicon oxide modified by a silane coupling agent that has been hydrolysed under acidic conditions, then monomer compounding with acrylate esters.

Preparation of White Carbon Black from Fly Ash Modified with Silane

The effects of amino, thiol and epoxy silane coupling agents on the dispersion of modified white carbon black were studied by FTIR, TGA, zeta potentiometer and SEM. The results showed that three different silane coupling agents were grafted successfully onto the surface of white carbon black.

The effect of silane‐modified carbon black and nano‐silica

This study assesses the effectiveness of a specially developed surface‐modified carbon black, both on its own and in combination with nano‐silica, as a hybrid filler for ethylene–propylene–diene monomer (EPDM) rubber compounds.

The effect of silane

The silane-modified carbon black showed considerable enhancements in mechanical properties, particularly in tear resistance, with increases in tensile and tear strength of 22.46% and 34.86%, respectively, following surface treatment.

Abstract: Silane coupling agents are commonly used surface active agents that interact with the surface of carbon black through their unique chemical structures, significantly improving the dispersibility of carbon black and its compatibility with polymer matrices. This paper reviews the applications of silane coupling agent-modified carbon black in coatings, rubber, and composite materials, and discusses its modification mechanisms and performance enhancement effects.

Main Text: Silane coupling agents, typically organic silicon compounds containing vinyl or amino functional groups, can form covalent bonds with hydroxyl or carboxyl groups on the surface of carbon black, thereby firmly anchoring carbon black within the polymer matrix. This modification not only improves the dispersibility of carbon black but also enhances the interfacial adhesion between carbon black and the polymer matrix, which is critical for fabricating high-performance materials.

1. Principles of Silane Coupling Agent-Modified Carbon Black: The interaction between the vinyl or amino functional groups of silane coupling agents and the surface of carbon black can be categorized into two main types: hydrogen bonding and covalent bonding. Hydrogen bonding is achieved through van der Waals forces, while covalent bonding involves the formation of carbon-carbon or carbon-oxygen bonds. Both interactions help strengthen the interfacial compatibility between carbon black and the polymer matrix, thereby improving the overall performance of the material.

2. Applications in Coatings: In the coatings industry, silane coupling agent-modified carbon black is widely used to enhance pigment dispersibility and mechanical strength of coatings. For example, in waterborne polyurethane coatings, modified carbon black effectively reduces pigment agglomeration, minimizes pores and cracks in the film, and improves wear resistance and chemical resistance. Additionally, silane coupling agents facilitate better integration of pigment particles into the polymer matrix, resulting in improved gloss and color stability.

3. Applications in Rubber: In the rubber industry, silane coupling agent-modified carbon black is equally prevalent. Incorporating modified carbon black enhances tear resistance, abrasion resistance, and thermal aging resistance of rubber. For instance, adding modified carbon black to neoprene improves tensile strength, hardness, low-temperature performance, and dynamic fatigue life.

4. Applications in Composite Materials: In composite materials, silane coupling agent-modified carbon black plays a crucial role. It significantly improves interfacial bonding between carbon black and the polymer matrix, enhancing mechanical properties, thermal stability, and electrical insulation. For example, in epoxy resin composites, modified carbon black effectively inhibits crack propagation and increases impact resistance.

As an important surface treatment technique, silane coupling agent-modified carbon black demonstrates significant potential in coatings, rubber, and composite materials. By optimizing the type and dosage of silane coupling agents, their application scope can be further expanded to meet diverse material performance requirements. In the future, with the development of new materials and technologies, research and application of silane coupling agent-modified carbon black will become deeper and more widespread.