Roehm's MERACRYL™ Methacrylate Monomers
Roehm's methacrylate monomers from the MERACRYL™ portfolio are essential components in two-part acrylic reactive adhesives. These adhesives consist of a base resin containing methacrylate monomers and an activator that initiates rapid polymerization upon mixing. Key monomers such as MMA, n-BMA, i-BMA, HEMA, and HPMA provide the necessary properties for strong, durable, and flexible bonds. The resulting adhesives offer quick curing times, excellent adhesion, and resistance to environmental factors.
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Huntsman Polyurethane Products
Huntsman’s materials contribute to the versatility, performance, and reliability of adhesives used in various industrial and commercial applications, including construction, automotive, aerospace, and consumer products. Here is a summary of Huntsman products and their role in polyurethane and polyurea adhesives.
- Monomeric MDI: High reactivity for fast-curing, strong bonds.
- Polymeric MDI: Enhances mechanical properties and thermal stability.
- MDI Crosslinkers: Improve strength and chemical resistance through crosslinking.
- Polyurea Prepolymers: Rapid curing and high durability for fast-setting adhesives.
- Moisture Cure Prepolymers: One-component systems that cure upon moisture exposure.
- Specialty MDI Prepolymers: Tailored for specific applications requiring unique properties.
- Specialty Diols and Triols: Provide flexibility and toughness in polyurethane adhesives.
- Polyether Polyols: Enhance the mechanical and thermal properties of polyurethane adhesives.
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Roehm's DEGALAN® Acrylic Beads
Roehm's DEGALAN® acrylic beads play a role in enhancing the performance of cyanoacrylate adhesives. They modify the rheology by acting as thickeners and flow control agents, ensuring full compatibility with cyanoacrylate formulations. These beads offer various dynamic viscosity levels, good solubility, and cold temperature stability, making them suitable for a wide range of industrial applications. By optimizing gap-filling properties and maintaining stability, DEGALAN® acrylic beads help cyanoacrylate adhesives meet the broad performance requirements of different industries.
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Roehm's DEGALAN® AD Acrylic Binders
The DEGALAN® AD series acrylic binders from Roehm Acrylics, based on MMA and n-BMA polymers, are designed for use in one-component reactive hot melt adhesives that are moisture curable. These adhesives are applied in a molten state, providing initial bonding upon cooling and forming strong, durable bonds through a moisture-curing process. The resulting adhesives offer excellent adhesion, flexibility, durability, UV resistance, and chemical resistance, making them suitable for a wide range of demanding applications in industries such as automotive, electronics, construction, and packaging.
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Organofunctional Silanes
Dynasylan® organofunctional silanes from Evonik Silanes are crucial components in moisture-sensitive and moisture-curing adhesives. They act as adhesion promoters, crosslinking agents, and surface modifiers, enhancing the performance of adhesives by improving adhesion, mechanical strength, and durability. These silanes are used in various adhesive formulations, including polyurethane, silane-modified polymers, and epoxy adhesives, providing significant benefits in demanding applications across industries.
Hollow Ceramic Microspheres
Hollow ceramic microspheres (E-SPHERES®) are used in a variety of adhesive types to enhance their performance with reduced weight, shrinkage, and cracking. E-SPHERES® are used in structural adhesives for weight reduction and improved strength, in epoxy adhesives for reinforcement and crack resistance, in polyurethane adhesives for flexibility and improved grip, and in acrylic adhesives for dimensional stability and improved workability.
Surfactants and Alcohols
In waterborne adhesives, Sasol's surfactants and alcohols enhance performance. Surfactants improve wetting, stabilize emulsions, reduce grit, prevent fouling, and promote adhesion. Alcohols act as solvents to enhance solubility, control viscosity, speed up drying and curing, and aid film formation. Together, they ensure strong, durable bonds, ease of application, and consistent performance across various substrates and conditions.
Specialty Methacrylates
Evonik's VISIOMER® Terra IPGMA is a versatile and sustainable monomer specifically suitable for reactive adhesives due to its low odor, low hazard, and advanced adhesive strength. Combined with VISIOMER® crosslinkers, it significantly enhances structural adhesives by improving mechanical strength, thermal stability, and environmental resistance. These properties are crucial for industries requiring reliable, long-lasting bonding. Additionally, their low hazard potential and low vapor pressure make them safer and more environmentally friendly for adhesive formulations.
Fumed Silica
KONASIL® fumed silica is a crucial additive used in a variety of adhesives to enhance the performance, durability, and application, making it a valuable component in a wide range of industrial and commercial applications. Fumed silica acts as a thickening agent to improve handling and prevent excessive flow, provides mechanical strength and durability to the adhesive matrix, and improves the flow properties for better application and performance. This is important in specifically in epoxy, polyurethane, and two-part adhesives.
Calcium Carbonate
Calcium carbonate is a versatile additive used in various types of adhesives to enhance their performance, reduce costs, and improve their application properties. It is commonly utilized as a filler or extender in various adhesive formulations. In reactive adhesives, calcium carbonate can help improve the mechanical properties, reduce costs, and control the viscosity of the adhesive. Additionally, it can influence the curing process and enhance the final performance characteristics of the adhesive, such as its strength and durability.
Mica
SEPM's mica is used in reactive adhesives to enhance performance. Its thermal stability makes adhesives suitable for high-temperature applications, while its electrical insulation properties benefit electrical and electronic uses. Mica also improves chemical resistance, ensuring adhesive integrity in harsh environments. Overall, mica strengthens adhesives, making them more durable and suited for demanding industrial applications.
