ARADUR 223

ARADUR 223 is an amine-based epoxy curing agent designed for use with epoxy resin systems to produce crosslinked thermoset materials.
ARADUR 223 reacts chemically with epoxy groups to form a three-dimensional polymer network with improved mechanical strength and durability.
ARADUR 223 belongs to the ARADUR family of epoxy hardeners developed for industrial resin applications.

CAS Number: 68410-23-1
EINECS Number: 614-452-7

Synonyms: Polyamide resins, 68410-23-1, Fatty acids, C18-unsatd., dimers, reaction products with polyethylenepolyamines, Fatty acids, C18-unsatd., dimers, reaction products with polyethylenepolyamines;Aminische Hrter für Epoxidharze aus der Kondensation von monomeren und/oder dimeren Fettsuren Aldehyden und/oder Ketonen mit Polyaminen;Dimer factty acid-(C18), unsaturated/polyethylenepolyamine reaction product;C-18 Unsarturated Fatty Acid Dimer (Epoxys): (Versamid 140 polyamide resin: Versamid 125);C18 fatty acid dimers/ tetraethylenepentamine polyamides;C18 fatty acid dimers/ polyethylenepolyamine polyamides;Henkel Versamid 140;Fatty acids, C18-unsatd., dimers, reaction products with polyethylenepolyamines ISO 9001：2015 REACH

ARADUR 223 contains reactive amine functionalities that participate in epoxy curing reactions.
The amine groups open epoxy rings through nucleophilic addition reactions and create permanent covalent bonds.
ARADUR 223 reaction transforms liquid epoxy formulations into solid thermoset structures.

ARADUR 223 is formulated as a modified amine curing agent to provide controlled reaction behavior with epoxy resins.
The modification of the amine structure helps adjust curing speed, processing characteristics, and final material performance.
ARADUR 223 allows more controlled epoxy network formation compared with some highly reactive unmodified amines.

ARADUR 223 provides a balance between curing efficiency and final mechanical properties in epoxy systems.
The formed polymer network contributes to hardness, strength, adhesion, and resistance against environmental conditions.
The exact performance depends on the epoxy resin type, formulation ratio, and curing conditions.

ARADUR 223 reacts with epoxy resins through step-growth polymerization mechanisms.
During curing, multiple epoxy and amine functional groups react progressively to form a highly interconnected polymer structure.
The resulting crosslinked network determines the thermal and mechanical behavior of the final material.

ARADUR 223 is designed to provide reliable curing performance under controlled processing conditions.
The reaction rate depends on factors such as temperature, humidity, resin chemistry, and mixing ratio.
Proper formulation control is necessary to achieve complete curing and consistent properties.

ARADUR 223 contributes to the formation of chemically stable epoxy networks after curing.
The crosslinked structure reduces polymer chain mobility and improves resistance to deformation.
ARADUR 223 provides enhanced dimensional stability compared with uncured resin systems.

ARADUR 223 influences the flexibility and toughness of epoxy materials through its effect on crosslink density.
The molecular structure of the curing agent determines how tightly polymer chains are connected.
ARADUR 223 affects the balance between rigidity, impact resistance, and mechanical durability.

ARADUR 223 is compatible with various epoxy resin formulations depending on the desired final properties.
Different epoxy chemistries can be combined with the curing agent to modify hardness, chemical resistance, and thermal performance.
This allows formulation flexibility in epoxy material development.

ARADUR 223 is supplied as a reactive component that must be mixed with epoxy resin before curing.
The resin-to-hardener ratio determines the number of available epoxy and amine groups participating in network formation.
Incorrect mixing ratios may result in incomplete curing or reduced material performance.

ARADUR 223 curing behavior is affected by temperature because higher temperatures generally accelerate epoxy–amine reactions.
Controlled heating can improve conversion and network formation in some formulations.
However, excessive temperatures may increase exothermic effects during curing.

ARADUR 223 contributes to adhesion properties of epoxy systems because the cured polymer can interact strongly with different substrates.
The polar groups within the epoxy network support bonding interactions with surfaces.
ARADUR 223 improves the stability of cured materials attached to various substrates.

ARADUR 223 is an important component in thermoset polymer chemistry because epoxy curing agents determine the final structure of cured materials.
The selection of the hardener influences processing behavior, mechanical performance, and long-term stability.
Therefore, ARADUR 223 plays a key role in controlling epoxy system characteristics.

ARADUR 223 requires controlled storage because reactive amine compounds may be affected by contamination, moisture, or unsuitable temperatures.
Maintaining proper storage conditions helps preserve its chemical reactivity and formulation quality.
Sealed containers and recommended handling practices are important for maintaining product stability.

ARADUR 223 represents a specialized epoxy curing agent that combines amine reactivity with controlled processing characteristics.
Its chemical structure enables efficient epoxy crosslinking while allowing adjustment of final polymer properties.
ARADUR 223 a valuable component in advanced epoxy resin systems.**

ARADUR 223 participates in irreversible chemical reactions during epoxy curing.
Once the epoxy and amine groups react, the formed bonds cannot be reversed under normal processing conditions.
This permanent chemical structure gives cured epoxy materials their characteristic durability.

ARADUR 223 can influence the internal stress development of cured epoxy materials.
During curing, volume changes and crosslink formation may generate internal stresses within the polymer network.
The formulation design and curing conditions determine the level of stress generated.

ARADUR 223 affects the fracture behavior of epoxy materials by modifying the balance between strength and toughness.
The molecular structure of the curing agent influences crack initiation and propagation within the cured polymer.
Proper formulation can improve resistance against mechanical failure.

ARADUR 223 contributes to thermal stability by creating a chemically stable crosslinked polymer network.
The strong covalent bonds formed during curing limit thermal movement of polymer chains.
The final thermal performance depends on the epoxy resin structure and crosslink density.

ARADUR 223 can influence the aging behavior of epoxy systems exposed to environmental conditions.
The stability of the cured network affects resistance against long-term changes caused by heat, moisture, and chemical exposure.
A properly cured epoxy system generally provides improved service stability.

ARADUR 223 has reactive amine groups that require careful control during formulation because they determine the curing efficiency of epoxy systems.
The amount of hardener must correspond to the epoxy equivalent weight of the resin.
Correct formulation ensures maximum conversion of reactive groups.

Boiling point: 400℃
Density: 0.981 at 19.6℃
vapor pressure: 0Pa at 25℃
form: Viscous
LogP: 0.3-9.04 at 25℃
Surface tension: 63.93-68.92mN/m at 30.14-150.7mg/L and 23℃

ARADUR 223 is a modified amine curing agent developed to improve the processing and performance characteristics of epoxy resin systems.
The modification of the amine structure helps control the reaction rate between the hardener and epoxy resin.
ARADUR 223 allows better adjustment of curing behavior compared with conventional low-molecular-weight amines.

ARADUR 223 forms a three-dimensional crosslinked epoxy network through chemical reactions between amine groups and epoxy functionalities.
During curing, the amine nitrogen atoms react with epoxy rings and create strong covalent bonds.
The resulting network structure determines the hardness, strength, and durability of the cured material.

ARADUR 223 belongs to the class of reactive epoxy hardeners that become chemically incorporated into the final polymer structure.
Unlike non-reactive additives, the curing agent becomes part of the polymer backbone after complete curing.
This contributes to improved stability and reduced migration of the hardener from the cured material.

ARADUR 223 affects the crosslink density of epoxy systems, which directly influences the final material properties.
Higher crosslink density generally increases hardness, thermal stability, and chemical resistance.
Lower crosslink density may provide improved toughness and flexibility depending on the formulation.

ARADUR 223 provides controlled curing behavior because its chemical structure moderates the interaction between epoxy and amine groups.
ARADUR 223 allows formulation designers to balance working time with final mechanical performance.
The curing profile depends on the selected epoxy resin and processing temperature.

ARADUR 223 participates in an exothermic epoxy curing reaction that releases heat during polymer network formation.
The amount of heat generated depends on the batch size, epoxy functionality, and curing conditions.
Large-volume curing processes require appropriate temperature management to prevent excessive heat accumulation.

ARADUR 223 contributes to the formation of rigid thermoset materials because the epoxy–amine reaction creates permanent chemical bonds.
After curing, the polymer structure cannot be melted and reshaped like thermoplastic materials.
This permanent network provides long-term structural stability.

ARADUR 223 influences the glass transition temperature (Tg) of cured epoxy materials through its effect on network structure.
The Tg represents the temperature range where the polymer changes from a rigid state to a more flexible state.
The final Tg depends on the epoxy resin, curing ratio, and degree of crosslinking.

ARADUR 223 affects moisture resistance of epoxy systems by influencing the polarity and density of the cured network.
A well-crosslinked structure can reduce water penetration and improve environmental stability.
The final moisture resistance depends on the complete formulation composition.

ARADUR 223 can interact with different epoxy resin structures because amine curing chemistry is compatible with many epoxide-containing materials.
The choice of resin determines the balance between toughness, hardness, chemical resistance, and thermal performance.
ARADUR 223 allows customization of epoxy formulations for different requirements.

ARADUR 223 requires accurate stoichiometric formulation because the ratio between epoxy groups and amine groups controls network formation.
An incorrect ratio may result in remaining unreacted functional groups within the polymer structure.
ARADUR 223 can negatively affect mechanical properties and long-term stability.

ARADUR 223 influences the mechanical behavior of cured epoxy systems by controlling molecular connectivity within the polymer network.
The cured structure determines resistance to deformation, cracking, and mechanical stress.
The final properties depend on both the hardener structure and curing conditions.

ARADUR 223 can be affected by environmental conditions during curing, including temperature and humidity.
Moisture may interact with amine-based curing agents and influence surface quality or curing performance.
Controlled processing conditions help achieve consistent results.

ARADUR 223 is designed to provide a balance between reactivity and handling properties in epoxy formulations.
Highly reactive curing agents may shorten processing time, while less reactive systems may require longer curing periods.
The formulation of ARADUR 223 allows controlled epoxy network development.

ARADUR 223 contributes to the chemical durability of epoxy materials because the cured network limits molecular mobility.
Reduced chain movement improves resistance against many solvents, chemicals, and environmental stresses.
The actual resistance depends on the resin–hardener combination and curing conditions.

ARADUR 223 has properties typical of amine-based curing agents, including epoxy reactivity, crosslink formation, and sensitivity to formulation parameters.
These characteristics allow transformation of liquid epoxy systems into solid, stable polymer structures.
ARADUR 223 an important component in epoxy material chemistry.

ARADUR 223 requires proper storage and handling because reactive amine components can be affected by contamination and prolonged exposure to unsuitable conditions.
Maintaining sealed containers and recommended storage conditions helps preserve product quality.
Careful handling ensures consistent curing performance during formulation.

ARADUR 223 represents a specialized epoxy curing agent designed to control the structure and performance of cured epoxy networks.
Its amine-based chemistry enables efficient crosslinking while allowing adjustment of mechanical and processing characteristics.
ARADUR 223 an important material in advanced epoxy resin technology.

ARADUR 223 is a reactive epoxy hardener that becomes chemically integrated into the cured epoxy structure during the crosslinking process.
The active amine groups react with epoxy functionalities and create stable covalent connections between polymer chains.
This chemical integration provides improved structural integrity compared with systems containing non-reactive additives.

ARADUR 223 influences the molecular architecture of epoxy networks by determining the spacing and density of crosslinks.
The distance between crosslink points affects polymer flexibility, rigidity, and resistance to mechanical stress.
The final properties of the cured material depend on the interaction between ARADUR 223 and the selected epoxy resin.

ARADUR 223 contributes to reduced polymer chain mobility after curing because of the formation of a highly connected network structure.
Restricted chain movement improves resistance to deformation under mechanical loading.
ARADUR 223 characteristic is typical of epoxy thermoset systems cured with amine-based hardeners.

ARADUR 223 provides controlled network formation compared with highly reactive amine curing agents.
The modified amine chemistry allows the curing reaction to proceed at a manageable rate during processing.
This helps achieve uniform curing throughout the epoxy material.

ARADUR 223 affects the rheological behavior of uncured epoxy mixtures before the curing reaction is complete.
The viscosity and flow characteristics of the resin–hardener mixture influence mixing, spreading, and processing behavior.
These properties depend on the formulation composition and temperature.

Uses Of ARADUR 223:
ARADUR 223 is used in the following products: adhesives and sealants.
Other release to the environment of ARADUR 223 is likely to occur from: indoor use and outdoor use resulting in inclusion into or onto a materials (e.g. binding agent in paints and coatings or adhesives).
ARADUR 223 is used as a curing agent for epoxy resin systems to produce durable crosslinked thermoset materials.

ARADUR 223 reacts with epoxy resins to form three-dimensional polymer networks with improved mechanical strength and stability.
ARADUR 223 an important component in two-component epoxy formulations.

ARADUR 223 is used in epoxy coating systems where strong adhesion, hardness, and chemical resistance are required.
The cured epoxy network provides a protective barrier against environmental exposure and mechanical wear.
ARADUR 223 suitable for industrial protective coating formulations.

ARADUR 223 is used in protective surface coatings for metals and other substrates.
The epoxy system formed after curing can provide good bonding and resistance against corrosion-related damage.
This makes it useful in applications requiring durable surface protection.

ARADUR 223 is used in epoxy adhesive formulations to create strong structural bonds between different materials.
The cured resin network provides mechanical stability and resistance to environmental conditions.
This makes it suitable for bonding metals, composites, ceramics, and other substrates.

ARADUR 223 is used in composite material manufacturing as a hardener for epoxy matrices.
ARADUR 223 enables the formation of a stable polymer phase that transfers loads between reinforcing components.
This makes it suitable for fiber-reinforced epoxy composite systems.

ARADUR 223 is used in glass fiber reinforced epoxy materials to improve the performance of the polymer matrix.
The cured epoxy structure provides adhesion between resin and glass fibers.
ARADUR 223 improves the mechanical integrity and durability of composite components.

ARADUR 223 is used in carbon fiber reinforced polymer systems where strong and stable epoxy matrices are required.
The cured epoxy network supports fiber reinforcement and contributes to structural performance.
This makes it suitable for advanced composite formulations.

ARADUR 223 is used in epoxy casting systems for producing rigid polymer components and molded parts.
The liquid resin–hardener mixture transforms into a dimensionally stable thermoset after curing.
ARADUR 223 makes it suitable for applications requiring precise shapes and long-term stability.

ARADUR 223 is used in epoxy laminating systems for producing layered composite structures.
The curing reaction creates strong bonding between different material layers.
This makes it useful in reinforced laminate production.

ARADUR 223 is used in industrial repair materials based on epoxy chemistry.
The cured epoxy system provides strong adhesion and mechanical durability for restoration applications.
This makes it suitable for repair compounds and maintenance formulations.

ARADUR 223 is used in epoxy flooring systems where wear resistance and surface durability are required.
The crosslinked polymer network provides a hard protective surface after curing.
ARADUR 223 makes it suitable for industrial and commercial floor coatings.

ARADUR 223 is used in epoxy sealants and filling compounds requiring strong bonding and stability.
The cured material provides resistance against mechanical stress and environmental exposure.
This makes it useful for gap filling and protective sealing applications.

ARADUR 223 is used in tooling and mold-making epoxy systems because it contributes to dimensional stability after curing.
The resulting thermoset material maintains its shape under repeated use conditions.
ARADUR 223 makes it suitable for producing durable tools, models, and prototypes.

ARADUR 223 is used in electrical and electronic epoxy systems for encapsulation and protection purposes.
The cured epoxy provides mechanical support and insulation properties around sensitive components.
This makes it suitable for protective electronic materials.

ARADUR 223 is used in epoxy formulations requiring controlled curing behavior and reliable processing characteristics.
Its amine-based chemistry allows adjustment of working time and final polymer properties.
ARADUR 223 makes it useful for customized epoxy resin systems.

ARADUR 223 is used in epoxy systems containing fillers, additives, and modifiers to create tailored materials.
The curing agent allows these components to be incorporated into a stable polymer network.
ARADUR 223 makes it valuable in modified epoxy formulations.

ARADUR 223 is used in construction-related epoxy materials where mechanical strength and durability are required.
The cured polymer network provides resistance against physical and environmental stresses.
This makes it suitable for specialized construction and infrastructure applications.

ARADUR 223 is used in research and development of advanced thermoset polymers.
It is evaluated with different epoxy resins and additives to study network formation and material performance.
ARADUR 223 makes it important in polymer formulation studies.

ARADUR 223 is used in high-performance epoxy systems requiring a balance between hardness, adhesion, and toughness.
The final properties can be adjusted by changing the epoxy resin structure and curing conditions.
ARADUR 223 makes it a versatile hardener for advanced epoxy technologies.

ARADUR 223 is used in epoxy-based protective systems where long-term resistance against environmental conditions is required.
The cured epoxy network provides a stable barrier against moisture, chemicals, and mechanical stress.
ARADUR 223 suitable for durable protective polymer formulations.

ARADUR 223 is used in industrial coating formulations that require strong film formation and surface durability.
The curing reaction creates a tightly connected polymer structure that improves coating performance.
This makes it suitable for applications where coating integrity must be maintained over time.

ARADUR 223 is used in epoxy primer formulations to improve adhesion between coatings and substrates.
The cured epoxy layer provides a strong interface between the substrate and additional coating layers.
This makes it useful in multi-layer protective coating systems.

ARADUR 223 is used in epoxy systems for corrosion protection because it helps form chemically resistant polymer networks.
The cured material reduces exposure of the substrate to external corrosive environments.
ARADUR 223 suitable for protective materials used on metal surfaces.

ARADUR 223 is used in epoxy-based composite repair systems where mechanical reinforcement is needed.
The hardener enables the formation of a stable epoxy matrix around reinforcement materials.
This improves the strength and durability of repaired composite structures.

ARADUR 223 is used in marine epoxy formulations because cured epoxy networks provide resistance against moisture and harsh environments.
The crosslinked structure helps maintain material performance under prolonged exposure conditions.
This makes it suitable for specialized marine-grade epoxy systems.

ARADUR 223 is used in epoxy systems for bonding composite materials because it provides strong matrix formation.
The cured resin improves load transfer between bonded components.
This makes it useful in structural composite bonding applications.

ARADUR 223 is used in epoxy-based grouting and anchoring materials because it provides strong mechanical stability after curing.
The cured polymer can withstand significant mechanical loads and environmental exposure.
This makes it suitable for specialized construction formulations.

ARADUR 223 is used in epoxy mortars and resin-modified materials where high durability is required.
The curing agent contributes to the formation of a strong polymer matrix around mineral components.
This improves the stability of the final composite material.

ARADUR 223 is used in epoxy-based electrical insulation systems because cured epoxy materials provide stable insulating structures.
The crosslinked network helps protect components against mechanical and environmental damage.
This makes it useful in protective electrical applications.

ARADUR 223 is used in encapsulation systems where electronic or mechanical parts require protection from external conditions.
The epoxy network formed after curing surrounds and stabilizes sensitive components.
ARADUR 223 makes it suitable for protective polymer encapsulation.

ARADUR 223 is used in epoxy composite manufacturing processes requiring consistent curing performance.
The controlled reaction behavior allows production of materials with predictable properties.
This makes it valuable in industrial composite production.

ARADUR 223 is used in epoxy-based structural materials where high dimensional stability is required.
The permanent crosslinked network reduces deformation during service conditions.
ARADUR 223 suitable for precision components and engineered polymer structures.

ARADUR 223 is used in epoxy formulations for producing high-strength polymer parts.
The curing agent contributes to the development of rigid and stable thermoset structures.
This makes it useful in manufacturing durable epoxy components.

ARADUR 223 is used in epoxy systems that require controlled balance between toughness and rigidity.
The curing chemistry influences the final crosslink density and mechanical response.
This allows formulation of materials with customized performance characteristics.

ARADUR 223 is used in epoxy-based adhesives where resistance to mechanical fatigue is important.
The cured network maintains bonding strength under repeated loading conditions.
This makes it suitable for demanding adhesive applications.

ARADUR 223 is used in specialty epoxy formulations containing reinforcing fillers and additives.
The hardener allows modification of polymer properties by incorporating additional components into the resin system.
ARADUR 223 makes it useful for developing customized composite materials.

ARADUR 223 is used in laboratory studies of epoxy curing chemistry and thermoset network formation.
Its amine-based reaction with epoxy resins allows researchers to investigate polymer structure and performance relationships.
This makes it valuable in materials science and polymer research.

ARADUR 223 is used in advanced epoxy technologies where reliable curing and long-term material stability are required.
The hardener plays an important role in controlling the final characteristics of cured epoxy networks.
This makes it a versatile component in high-performance thermoset applications.**

Safety Profile Of ARADUR 223:
ARADUR 223 is an amine-based epoxy curing agent that may cause health hazards through skin contact, eye contact, inhalation, or accidental ingestion.
Its reactive amine groups are responsible for irritation and potential sensitization effects during exposure.
ARADUR 223 proper handling procedures and personal protective equipment important when working with the material.

ARADUR 223 is hazardous to the skin because direct contact may cause irritation, redness, and allergic skin reactions.
Repeated exposure to amine-based curing agents may lead to skin sensitization, where future contact can cause stronger reactions.
This makes the use of chemical-resistant gloves and protective clothing necessary.

ARADUR 223 is hazardous to the eyes because contact may cause severe irritation and possible eye injury.
Exposure may result in burning sensation, redness, tearing, and discomfort.
This makes safety goggles or face protection important during mixing and processing operations.

ARADUR 223 is hazardous by inhalation because vapors, aerosols, or airborne droplets may irritate the respiratory system.
Exposure may cause coughing, throat irritation, breathing discomfort, or respiratory sensitivity in susceptible individuals.

This makes adequate ventilation necessary during handling and application.
ARADUR 223 is hazardous if swallowed because ingestion may cause irritation of the mouth, throat, and digestive tract.