40 Acrylic Adhesive Manufacturers in 2022
This section provides overview, applications, and principles of acrylic adhesives. Also, please take a look at the list of 40 acrylic adhesive manufacturers and their company rankings.
Table of Contents
What Is an Acrylic Adhesive?
Acrylic adhesives are adhesives thats main ingredient is acrylic acid or its derivatives (methyl methacrylate, etc.)
They are classified in the first to third generations according to the presence or absence of chemical reactions during the curing process. Currently, second generation (SGA: Second Generation Acrylic Adhesives), which involve a polymerization reaction during the curing process, is the mainstream.
SGA includes two-component types in which the curing reaction occurs when the main and curing agents come into contact with each other. The first is one-component primer types, in which a primer is used instead of a curing agent, and curing occurs by heating. The second type is the two-component type and is currently the most commonly used.
SGA has excellent impact resistance, heat resistance, and water resistance, making it one of the most reliable structural adhesives with little degradation in adhesive properties even when subjected to heavy loads for long periods of time.
Difference Between Acrylic Adhesives and Adhesives for Acrylic Resin
Although the names of these two types of adhesives are very similar, they have completely different properties. However, it is important to note that both adhesives are referred to as "acrylic adhesives" in some cases.
Specifically, "acrylic adhesives," which is the subject of this article, are adhesives that contain acrylic acid and its derivatives as the main ingredients, whereas "adhesives for acrylic resins" means a fusing agent to melt and bond acrylic sheets together, and the principle of adhesion and usage are completely different.
Uses of Acrylic Adhesives
Second-generation acrylic adhesives (SGA), which are currently the mainstream, are available for household and industrial use, and each is used for various purposes. Specifically, they are suitable for bonding the following substrates.
- Metals
- Thermoplastic resin
- Thermosetting resins
- Composite materials
Of these, two-component SGA is excellent for bonding different materials and large areas. It is used, for example, to fix motor magnets (permanent magnets) to stators in automobiles and to bond battery cells in electric vehicles.
SGA is also used as a botting material to protect electronic circuit boards. It is also used in a variety of other places, such as bonding plastics, metals, and tiles, and in construction applications.
Principles of Acrylic Adhesives
The following is an overview of each generation of acrylic adhesives.
- First Generation: This type consists of acrylic monomers, acrylic oligomers, and curing agents, but no chemical reaction occurs during curing.
- Second Generation: Consists of almost the same composition as the first generation, but in the second generation, curing occurs through a polymerization reaction between the monomer and polymer. Compared to the first generation, it is characterized by superior adhesiveness, durability, and various other properties.
- Third Generation: Radical polymerization is initiated and cured by irradiating energy such as ultraviolet rays or electromagnetic waves. Second-generation acrylic adhesives (SGA), which are currently the mainstream, are classified into two-components, one-component primer, and one-component types.
The two-component type consists of two components, A and B. The main ingredients are basically the same in both types, consisting of acrylic monomers and elastomers.
The difference in composition between the two liquids is that in Agent A, cumene hydroperoxide is added as a polymerization initiator, and in Agent B, a reducing agent such as a metal complex or thiourea derivative is added as a curing accelerator.
Mixing both solutions initiates a radical reaction and starts the curing of the acrylic monomer. Since the main components of these two liquids are basically the same, they are very easy to mix, and even if there is some variation in the mixing ratio of the two liquids, the physical properties after curing are not significantly affected. This is a feature that makes it very easy to use, since the mixing ratio of the two liquids does not need to be strictly 1:1.
The one-component primer type replaces the hardener of the two-component type with a primer, and like the two-component type, radicals are generated and curing proceeds. The one-component type contains a catalyst that is activated by heating and cures when heated.
SGA has excellent features such as oil-surface adhesion, excellent resistance to shear and tension, and internal stress relaxation. On the other hand, the acrylic odor of those containing methyl methacrylate has become a problem.
Curing Time of Acrylic Adhesives
Acrylic adhesives are adhesives that cure by chemical reaction and are characterized by extremely fast curing time and strong adhesion. Normal curing time is about 5 minutes after application. However, when used for the purpose of reinforcement to prevent water leakage from joints, it is necessary to leave it to cure for about one day.
As a precaution when using the adhesive, it is necessary to wait a little after applying the adhesive until it is crimped. This is the time required for the adhesive components to spread and permeate into the air and adherend material so that the adhesive can cure and adhere.
Allowing a few minutes of time after application before crimping allows the adherend and adhesive to adhere to the adherend and prevents the volume shrinkage that occurs as the adhesive cures.
How to Remove Acrylic Adhesives
Acrylic adhesives cannot be peeled off easily because of their extremely strong adhesive strength and durability. Choose a peeling method that is appropriate for the adhesive mechanism of acrylic adhesives.
Although the word "adhesion" is used to describe acrylic adhesives, technically speaking, they are welding. A chemical reaction is used to dissolve the adherend to be bonded to form a single piece.
Organic solvents such as toluene and benzene are effective for removing solvent-based adhesives. To begin with, solvent-based adhesives contain components that dissolve plastics such as acrylics. Organic solvents have the property of dissolving plastics and are effective in removing acrylic adhesives.
Once completely dissolved, it is very difficult to remove cleanly. In some cases, it may be necessary to be prepared to leave one of the adherends and physically destroy the other. To avoid this, we recommend that you try solvent stripping once.
What to Do When Acrylic Adhesives Turn White
When using an acrylic adhesive thats main ingredient is cyanoacrylate, a white substance may remain around the adherend, which is called "whitening".
To prevent this phenomenon, it is important to remove dust and moisture from the adhesive surface and surrounding area, and to select a work environment with low humidity.
It is also a good idea to use a curing accelerator in advance that is less likely to cause blushing. If blushing occurs, it can be removed by chemical removal using an organic solvent or physical removal using sandpaper.
List of 40 Acrylic Adhesive Manufacturers
*Including some distributors, etc.
Sort by Features
- Default
- Company Size: largest first
- Year Founded: oldest first
- Year Founded: earliest first
Sort by Area
- Germany
- United States of America
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DOMAIN INDUSTRIES, INC.
SUPERIOR ACRYLIC ADHESIVES
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Acrylic Adhesive Manufacturer Ranking
*Including some distributors, etc.Ranking as of January 2023 in United States
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Permabond LLC. | 100% |
Ranking as of January 2023 Globally
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Permabond LLC. | 50% |
| 2 | BC Adhesives | 50% |
Derivation Method
The ranking is calculated based on the click share within the acrylic adhesive page as of January 2023. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
- Parker Hannifin Corp: 3,100
Newly Established Company
- Panacol-Elosol GmbH: 1978 (45 years ago)
- Parker Hannifin Corp: 1924 (99 years ago)
Company with a History
- Parker Hannifin Corp: 1924 (99 years ago)
- Panacol-Elosol GmbH: 1978 (45 years ago)
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