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Epoxy resins

The thermosetting material epoxy resin is versatile and offers numerous application possibilities. The group of synthetic resins includes epoxy resin, polyurethane resin, vinyl ester resin, phenolic resin and acrylic resin.


Epoxy resin plastics (EP resins, epoxy resin, epoxy resin) have terminal epoxy groups. They are produced by the reaction of bisphenol A with epichlorohydrin. An epoxy resin is thus a reactive resin that is usually reacted with an aminic hardener and possibly other additives to form a thermoset plastic. The epoxy resin is thus a liquid material that cures by chemical reaction of resin and hardener. After curing, a crystal-clear, unbreakable, high-gloss and hard surface is obtained. 

 

These properties make such a synthetic resin an extremely versatile, all-purpose material. Epoxy resins are clear and viscous and can be optimized for specific end properties by modification with reactive reactive diluents and adhesion promoters.

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Properties

Modified epoxy resins

ProductChemical basisEEW g/eqViscosityFZG* maxApplicationIndustriesAttributes
ipox ER 1010Bisphenol-A-diglycidyl ether180 – 19610000 – 140001solvent-free epoxy systemsConstruction chemistryPaints and coatingsFibersPerformance ChemicalsComposites and 3D printingVOC-free
ipox ER 1011Epoxy resin (solid)475 – 550fest-solvent-free and solvent-based epoxy systems, corrosion protection and industrial coatingsConstruction chemistryPaints and coatingsFibersPerformance ChemicalsComposites and 3D printingVOC-free
ipox ER 1016Bispenol-F-diglycidylether159 – 1753000 – 70001solvent-free epoxy systems,high chemical resistanceConstruction chemistryPaints and coatingsFibersPerformance ChemicalsComposites and 3D printingVOC-free
ipox ER 1020Bisphenol-A-diglycidylether monofunctional RT190 – 205900 – 15001solvent-free epoxy systems,hydrophobic character,optimized wetting of substrate and fillersConstruction chemistryPaints and coatingsFibersPerformance ChemicalsComposites and 3D printingVOC-free
ipox ER 1022Bisphenol-A-diglycidylether monofunctional RT189 – 213700 – 10002solvent-free epoxy systems,hydrophobic character,chemical resistant coatingsConstruction chemistryPaints and coatingsFibersPerformance ChemicalsComposites and 3D printingVOC-free
ipox ER 1042Bisphenol-A/F-diglycidylether monofunctional RT185 – 200900 – 12001solvent-free epoxy systems,hydrophobic character,optimized wetting of substrate and fillersConstruction chemistryPaints and coatingsFibersPerformance ChemicalsComposites and 3D printingVOC-free
ipox ER 1042-5Bisphenol-A/F-diglycidylether monofunctional RT190 – 205400 – 6001solvent-free epoxy systems,lower viscosity than ipox ER 1042-7Construction chemistryPaints and coatingsFibersPerformance ChemicalsComposites and 3D printingVOC-free
ipox ER 1042-7Bisphenol-A/F-diglycidylether monofunctional RT185 – 200500 – 9001solvent-free epoxy systems,lower viscosity than ipox ER 1042Construction chemistryPaints and coatingsFibersPerformance ChemicalsComposites and 3D printingVOC-free
ipox ER 1044Bispenol-A/F-diglycidylether, Contains benzyl alcohol200 – 225850 – 10502Priming and injection resins in construction chemistryConstruction chemistryPaints and coatingsFibersPerformance ChemicalsComposites and 3D printing-
ipox ER 1052Bisphenol-A/F-diglycidylether difunctional RT164 – 176600 – 9001solvent-free epoxy systems,improved curing,very good solvent resistanceConstruction chemistryPaints and coatingsFibersPerformance ChemicalsComposites and 3D printingVOC-free
ipox ER 1052-5Bisphenol-A/F-diglycidylether difunctional RT164 – 176450 – 6501solvent-free epoxy systems,lower viscosity than ipox ER 1052Construction chemistryPaints and coatingsFibersPerformance ChemicalsComposites and 3D printingVOC-free
ipox ER 1052-9Bisphenol-A/F-diglycidylether difunctional RT164 – 176700 – 10001solvent-free epoxy systems, higher viscosity than ipox ER 1052Construction chemistryPaints and coatingsFibersPerformance ChemicalsComposites and 3D printingVOC-free
ipox ER 1054Bisphenol-A/F-diglycidylether difunctional RT160 – 180900 – 14001solvent-free epoxy systems,very good chemical resistanceConstruction chemistryPaints and coatingsFibersPerformance ChemicalsComposites and 3D printingVOC-free
ipox ER 1062Bisphenol-A/F-diglycidylether difunctional RT172 – 188700 – 10001solvent-free epoxy systems,very good chemical resistanceConstruction chemistryPaints and coatingsFibersPerformance ChemicalsComposites and 3D printingVOC-free
ipox ER 1092-1Bisphenol-A/F-diglycidylether elasticized375 –4156500 – 95002elastic epoxy systemsConstruction chemistryPaints and coatingsFibersPerformance ChemicalsComposites and 3D printingVOC-free

Components of epoxy resin systems

Epoxy resin systems always consist of at least 2 components, the resin and the amine or anhydride based curing agent. The curing agents are reaction partners and together with the resin form a macromolecular plastic. The thermosets produced by crosslinking have high mechanical properties as well as good temperature and chemical resistance.

The field of application of epoxy resins is particularly diverse. They are used as coating systems for industrial floors and can be chemical-resistant, decorative, vapor-permeable, elastic, solvent-free, UV-resistant, VOC-free, and self-leveling.

 

Epoxy resin is used as 1K adhesives for a wide range of applications, as laminates in composites and wind energy, as coatings in the automotive, transportation and aerospace sectors, and as insulating molding compounds for electrical engineering and electronics.

The final properties of epoxy resins can be influenced by the selective choice of the appropriate curing agent and by the addition of additives. Epoxy resins can be high or low viscosity, fast or slow curing.

Thus, a wide range of applications can be served by the production of epoxy resins.

Epoxies adhere very well to metal, making them suitable for applications in the coating, automotive, aerospace and marine segments. Epoxy resins are resistant to water, heat and UV. They exhibit high scratch resistance. Epoxy resin is waterproof and water resistant and can also be used to seal surfaces, pools, pipes, etc. Epoxy resin is absolutely waterproof after curing. Even after several years, this material is tight, provided that there are no cracks caused by major vibrations.

Processing epoxy resins

Epoxy resins are processed as casting resins or reactive resins, molding compounds or as prepregs. Cured resins are characterized by excellent electrical insulation properties, very high adhesive strength and low shrinkage during curing. The properties of epoxy resin systems can be greatly influenced by reinforcing materials such as glass or carbon fibers.

The properties of epoxy resins listed below refer to the finished state after curing. The final properties are very much dependent on the structure of the epoxy resin, the degree of crosslinking, the type and quantity of reinforcing material and the processing method.

 

Epoxy resins are characterized by high strength. They are stiff and tough, but can also be made elastic by modifiers. Epoxy resin is relatively impact-resistant, but also hard and abrasion-resistant. EP adheres very well to most substrates. Through fiber reinforcements during production, a strong increase in strength and a significant increase in stiffness (Young's modulus) can be achieved with epoxy resins. Epoxy also has very good electrical properties. Epoxy resin is a very good electrical insulator in a wide temperature range. Thermally, epoxy shows good heat resistance even at higher temperatures. Depending on the curing agent, heat resistance of up to 250°C can be achieved with special formulations. Epoxy resins are difficult to ignite, but special self-extinguishing formulations are available.

Cycloaliphatic epoxy resins exhibit excellent weathering and UV resistance and are popular for exterior applications.

Epoxy resins exhibit very good chemical resistance to many acids and bases. In addition to the resin system, the hardener type, as well as the structure of the material and the fillers are decisive for the chemical resistance. A closed resin layer on the surface is important.

In the crosslinked state, the resins are largely harmless from a health point of view. During processing, however, it is essential to observe protective measures with personal protective equipment, since exposure of the skin to liquid epoxy resin and hardeners causes inflammation and rashes. Skin contact must be avoided at all costs. Suitable protective clothing such as gloves and safety goggles during processing help to avoid skin contamination.