Focus on Adhesives And Coatings: From Applications To New Breakthroughs in Halogen-free Flame Retardancy

Focus on Adhesives and Coatings: From Applications to New Breakthroughs in Halogen-free Flame Retardancy

In modern industrial and construction fields, adhesives and coatings play an indispensable role. They are not only used for daily item bonding and surface treatment but also have key applications in high-end electronic devices, automobile manufacturing, and building decoration.

I. The widespread application of adhesives and coatings

1. Adhesives and coatings in the electronics industry

In the electronics industry, adhesives and coatings are widely used in circuit board assembly, chip packaging, and electronic component fixation. They need to have excellent electrical insulation, heat resistance, and strong adhesion to ensure the stable operation of electronic devices in various environments. At the same time, adhesives are used to seal and fix electronic device casings, preventing damage from external factors such as dust and moisture.

For example, in mobile phone production, high-performance adhesives are essential for bonding screens to bodies, securing batteries, and installing components like cameras. Special coatings are also needed for heat dissipation parts of electronic devices to improve heat dissipation efficiency and ensure long-term stable operation.

2. Adhesives and coatings in automobile manufacturing and mechanical processing

In automobile manufacturing, adhesives are used to bond interior elements, such as seats, instrument panels, and door panels. This not only improves production efficiency but also reduces vehicle weight, enhancing fuel economy. Anti-corrosive coatings on automobiles effectively prevent rust on metal parts, extending the vehicle’s lifespan. In mechanical processing, adhesives are used for parts assembly and repair, while coatings protect and identify equipment surfaces, improving corrosion resistance and appearance.

3. Adhesives and coatings in building decoration

In the construction field, adhesives bond insulation materials like polystyrene foam boards and rock wool boards to walls, improving a building’s thermal insulation. High-performance adhesives are also needed to bond decorative panels for lasting decorative effects. Coatings are widely used for interior and exterior wall decoration, offering aesthetic and protective functions such as waterproofing, mildew resistance, and fire protection. This enhances building safety and durability.

II. Flame retardant requirements and limitations of traditional flame retardants

With increasing attention to safety, the flame retardancy of adhesives and coatings has become crucial. In electronics, flame retardant materials prevent fire spread and protect devices and data. In automobile manufacturing, they reduce fire risks and protect passengers. In construction, they are vital for building fire safety and safeguarding lives and property.

Traditional flame retardants, however, have many drawbacks. Take APP (ammonium polyphosphate) flame retardant as an example. Ordinary APP particles are large, leading to poor dispersion in adhesives and coatings, causing uneven material properties. When added to adhesives, it can prolong curing time and reduce adhesion, affecting usability.

ADP flame retardant also has many disadvantages. It has poor compatibility with materials, reducing mechanical properties like tensile and impact strength. It also affects processing stability, causing color unevenness and corrosion of equipment parts during processing. ADP has poor migration resistance, leading to surface migration over long-term use, causing frosting and reducing flame retardancy. Its heat resistance is also insufficient, with high-temperature environments affecting flame retardancy. Additionally, it can cause surface frosting and discoloration in boiling water and may lead to layering and sedimentation when used with certain materials, resulting in unstable flame retardant systems.

III. Innovative solutions from YINSU Flame Retardant Company

YINSU Flame Retardant has introduced an organic phosphorus-based halogen-free flame retardant JS-FR designed for adhesives and coatings applications. Compared to traditional flame retardants, the product offers the following significant advantages:

1. Superfine particle size and excellent dispersibility:

Using advanced processes, the powder is specially activated to achieve a finer particle size (D50 ≤5μm). This allows for uniform dispersion in adhesives and coatings, forming an efficient flame retardant system. Compared to ordinary APP, the superfine particle size and good dispersibility prevent property unevenness caused by particle agglomeration, ensuring stable flame retardancy without affecting basic adhesive and coating properties.

2. High hydrophobicity and solvent migration resistance:

The flame retardant has high hydrophobicity, preventing moisture from affecting adhesive and coating performance. This improves stability and lifespan in humid environments. Its excellent solvent migration resistance ensures flame retardancy persists during adhesive and coating use, unlike ordinary retardants that migrate in solvents, weakening flame retardancy and impacting long-term performance.

3. Environmentally friendly, halogen-free, and efficient flame retardancy:

The halogen-free retardant meets strict environmental regulations, reducing potential harm to the environment and human health. Through phosphorus-based flame retardant mechanisms, it promotes surface carbonization of materials during combustion, blocking oxygen and heat to suppress flame spread. This combines efficient flame retardancy with environmental performance, unlike traditional halogenated retardants that are being phased out due to environmental issues.

4. Minimal impact on adhesive properties:

Special surface treatment ensures good compatibility with synthetic adhesive systems. Adding the retardant to adhesives maintains their adhesion and durability, solving the problem of traditional retardants significantly reducing adhesive performance. This meets industrial production' s strict adhesive property requirements.

YINSU' s adhesive-specific organic phosphorus-based halogen-free flame retardant surpasses traditional retardants in performance. It offers safer, greener, and more efficient flame retardant solutions for electronics, automobile manufacturing, mechanical processing, and construction decoration, making it an ideal choice for upgrading the adhesives and coatings industry.