Acrylic adhesives are a type of adhesive that uses acrylic polymers as the primary bonding agent. Acrylic adhesives are known for their exceptional bonding properties, including high strength, good adhesion to a wide range of substrates, and good environmental resistance. They are used in a variety of applications, from automotive and aerospace to electronics and medical devices. Read More…
Acrylic AdhesiveAcrylic adhesive is a fast-bonding, highly resistant epoxy made by polymerizing acrylic or methacrylic acids through a reaction with a catalyst. They require no mixing and are in a 2-component form, which means the acrylic is applied to one surface and the catalyst, hardener or accelerator is coated to the opposite surface. When those surfaces are pushed together, the two adhesive components bond together and form a water tight seal.
Master Bond formulates high quality adhesive systems to help engineers meet specific requirements for their bonding, sealing, coating and encapsulation applications. The product line consists of epoxies, silicones, UV curable and LED curable systems that feature outstanding performance properties.
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Here at L.D. Davis Industries we manufacture outstanding adhesive products and we put a focus on our customers’ needs. Our company offers eco-friendly adhesives and we work hard to remain on the forefront of our industry. All of these products are extensively tested and it is our mission to exceed your expectations. If you would like more information then please give us a call today!
United Surface Preparation is a distributor of high-performance adhesives. Our product line consists of innovative epoxies, hot melt, spray adhesives, and applicators. Additional services include rental equipment, tool repair, and preventive maintenance. For a more complete list of our products and services, contact us today. A representative will be more than happy to assist you.
The development of acrylic adhesives began in the 1950s, with the discovery of acrylic resins by Dr. Otto Rohm. Rohm's research led to the development of a new class of adhesives that combined the strength and durability of epoxy resins with the versatility and ease of use of cyanoacrylate adhesives. Since then, acrylic adhesives have been continually refined, leading to the development of a range of high-performance products that meet the demands of modern manufacturing.
How Are Acrylic Adhesives Made?
The process of manufacturing acrylic adhesives involves the polymerization of acrylic monomers. Acrylic monomers are compounds that contain one or more acrylic or methacrylic groups. These groups are essential for the polymerization reaction that forms the acrylic adhesive.
There are several methods for polymerizing acrylic monomers, including bulk, solution, and emulsion polymerization. The choice of method depends on the specific properties required for the final adhesive, as well as the manufacturing process.
In bulk polymerization, the acrylic monomers are mixed together with a small amount of initiator, which is a compound that triggers the polymerization reaction. The mixture is then heated to a high temperature, typically between 60°C to 100°C, to initiate the reaction. The heat generated by the reaction is then used to maintain the temperature and continue the reaction until the desired degree of polymerization is achieved.
In solution polymerization, the acrylic monomers are dissolved in a suitable solvent, such as acetone or methyl ethyl ketone, along with the initiator. The mixture is then heated to a temperature between 50°C to 80°C, and the reaction proceeds to form the polymer. The resulting polymer solution is then cooled and purified to remove any unreacted monomers or impurities.
In emulsion polymerization, the acrylic monomers are dispersed in water along with a surfactant, which helps to stabilize the emulsion. The initiator is then added to the mixture, and the reaction proceeds to form the polymer. The resulting polymer dispersion is then cooled and purified to remove any unreacted monomers or impurities.
Once the polymerization reaction is complete, the resulting polymer can be further processed to form the final adhesive. This typically involves the addition of various additives, such as plasticizers, fillers, or tackifiers, to modify the properties of the adhesive, such as its viscosity, flexibility, or tackiness. The final step is to package the adhesive into the desired form, such as liquid, paste, or film, and to store it under the appropriate conditions until it is ready for use.
What Separates Acrylic Adhesives and Other Adhesives?
Compared to other adhesives such as cyanoacrylate, epoxy, and silicone, acrylic adhesives offer several advantages. Acrylic adhesives have excellent environmental resistance, which means they can withstand exposure to heat, chemicals, and UV radiation without losing their strength or integrity. They also have a higher temperature resistance than other adhesives, making them suitable for use in high-temperature applications. Unlike cyanoacrylate adhesives, acrylic adhesives have good gap-filling properties, which allow them to bond uneven surfaces and substrates with varying thicknesses.
Limitations of Acrylic Adhesives
While acrylic adhesives offer several advantages, they also have some limitations. Acrylic adhesives have a relatively short working time, which means they need to be applied quickly before they start to cure. They also require a clean and dry substrate to achieve optimal bonding performance. Additionally, acrylic adhesives can be brittle and may not be suitable for bonding materials that experience significant stress or flexing.
Benefits of Acrylic Adhesives
Acrylic adhesives offer several benefits, including:
Exceptional Bonding Performance
Acrylic adhesives have excellent bonding performance due to their ability to form a strong and durable bond with a wide range of substrates, including metals, plastics, composites, and ceramics. They offer excellent adhesion to both smooth and rough surfaces, which makes them ideal for applications where a secure and long-lasting bond is required.
Good Environmental Resistance
Acrylic adhesives are highly resistant to environmental factors such as heat, moisture, and chemicals. They can withstand exposure to UV radiation and temperature fluctuations, making them ideal for use in outdoor or harsh environments. This resistance to environmental factors makes acrylic adhesives a reliable and long-lasting solution.
Acrylic adhesives have a high-temperature resistance, making them ideal for use in applications where high temperatures are expected. They can withstand temperatures up to 150°C, which makes them suitable for use in automotive, aerospace, and other high-temperature applications.
Good Gap-Filling Properties
Acrylic adhesives have good gap-filling properties, which means they can fill in gaps and irregularities between substrates. This property makes them ideal for bonding uneven surfaces or substrates with varying thicknesses. They can also be used to bond dissimilar materials.
Easy to Use
Acrylic adhesives are easy to use and apply, which makes them ideal for high-volume manufacturing processes. They can be applied using a variety of methods, including spray, brush, or roller, and they cure quickly, reducing the production time.
Acrylic adhesives are cost-effective compared to other adhesive types. They are less expensive than epoxy adhesives and require less energy to cure than other adhesive types. They also have a longer shelf life than other adhesive types, reducing waste and costs.
Applications of Acrylic Adhesives
Acrylic adhesives find use in various industrial and consumer applications, including:
Automotive and Aerospace
Acrylic adhesives are used to bond body panels, windshields, and other components in the automotive and aerospace industries.
Acrylic adhesives are used to bond and seal electronic components, including circuit boards, displays, and sensors.
Acrylic adhesives are used to bond and seal medical devices, including catheters, pacemakers, and other implants.
Acrylic adhesives are used to bond and seal building materials, including windows, doors, and panels.
Acrylic adhesives are used to seal and package food, pharmaceuticals, and other products.
General Industrial Applications
Acrylic adhesives find use in a range of industrial applications, including assembly, repair, and maintenance.
Choosing the Right Acrylic Adhesive Manufacturer
To ensure you have the most beneficial outcome when purchasing acrylic adhesives from an adhesive acrylic manufacturer, it is important to compare several companies using our directory of acrylic adhesive manufacturers. Each acrylic adhesive manufacturer has a business profile page highlighting their areas of experience and capabilities, along with a contact form to communicate with the manufacturer for more information or request a quote. Review each acrylic adhesive business website using our patented website previewer to quickly learn what each company specializes in. Then, use our simple RFQ form to contact multiple acrylic adhesive companies with the same form.
Acrylic Adhesives Informational Video
Adhesives Power Pages
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