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The material selection platform
Adhesives Ingredients
The material selection platform
Adhesives Ingredients

No-Mix Reactive Acrylic Structural Adhesives

Adhesives Formulation

Applicable Type
Reactive Adhesives
Applicable Base Polymer
Acrylics & Acrylic Copolymers
Applicable Industrial Sectors
Buildings & constructions , Transportation (excl. Automotive)

Applicable Base Polymer Properties

Thermosetting acrylic adhesives are rubber-toughened systems that cure rapidly at room temperature to provide a crosslinked structural adhesive suitable for bonding metals, engineering plastics, and many other substrates with minimal surface preparation. They provide a high tensile shear and peel strength, chemical resistance, and impact strength.

Typical Formulation Ingredients

Ingredient
Parts by weight
Part A Component: 
 
Methyl methacrylate monomer 
xxxxx 
1,3 Butylene glycol dimethacrylate 
xxxx 
Chlorosulphonated polyethylene toughening elastomer (Hypalon 20 from Dupont Performance Polymers) 
xxxxx 
Epoxy resin (Epon 828 from Momentive) 
xxxx 
Methacrylic acid adhesion promoter 
xxxxx 
Cumene hydroperoxide initiator 
xxxx 
2,6, Di(tertiary-butyl)p-cresol 
xxxx 
Part B Component: 
 
Aniline butyraldehyde (e.g., Vanax 808 HP, R.T. Vanderbilt Company, Inc.) 
xxxxxxxxxxxxxxxxxxxxxxxxx 
(Source: US Patent 4,450,030) 
 

Typical Properties

Properties
Mix ratio 
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Properties 
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Processing

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Resulting Properties

The cure of acrylic adhesives is initiated by a two-part redox reaction system. One component of the redox reaction is present in the base component of the adhesive, and the second component is present in the accelerator or “curing” component. Various tougheners have been used in thermosetting acrylic adhesives. A very common toughener is chlorosulphonated polyethylene (Hypalon, from DuPont-Dow). Strong acids such as acrylic, methacrylic, or maleic acid are used to enhance adhesion to metal and plastic surfaces.

Tips and Tricks

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