Quick Search
Hydroxyalkyl amide (HAA) is an effective TGIC-free crosslinker for carboxyl polyester powder coatings.
Hydroxyalkyl amide (HAA) provides durable coatings with good weather resistance, color stability, adhesion, and mechanical strength.
Hydroxyalkyl amide (HAA) is mainly preferred in outdoor powder coating systems where environmental durability and stable film performance are required.
Synonyms: Hydroxyalkyl amide (HAA), β-Hydroxyalkyl amide (HAA), HAA, Beta-Hydroxyalkyl amide (HAA) Crosslinker, Polyhydroxy Amide Crosslinker, Hydroxyalkylamide Resin Curing Agent, Amide-Based Crosslinking Agent, Polyester Crosslinker HAA, TGIC-Free Curing Agent, HAA Curing Agent, Hydroxyalkyl amide (HAA) Hardener, Polyester Powder Coating Crosslinker, Amide Functional Crosslinker, Hydroxyalkylamide Compound, Carboxyl Polyester Crosslinker, Eco-Friendly Powder Coating Hardener, Non-TGIC Crosslinking Agent
Hydroxyalkyl amide (HAA) is a chemical compound with various industrial applications.
Hydroxyalkyl amide (HAA) composited of β-Hydroxyalkyl amide (HAA)s.
Hydroxyalkyl amide (HAA) is the excellent curing agent of the pure polyester weather resistance powder coating, and it can also be used as curing agent for indoors carboxyl polyester, and the coating has a good performance.
Hydroxyalkyl amide (HAA) is a substitute for TGIC curing agent, with non-toxic, non-irritating to the skin, fast curing and other advantages.
Hydroxyalkyl amide (HAA) has excellent outdoor performance and it is the real environment-friendly products.
Hydroxyalkyl amide (HAA) is a β-Hydroxyalkyl amide (HAA) type crosslinking agent mainly used in thermosetting powder coatings.
Hydroxyalkyl amide (HAA) reacts with carboxyl-functional polyester resins through an esterification reaction, forming a durable three-dimensional coating network.
Hydroxyalkyl amide (HAA) is widely used as a TGIC-free curing agent and provides good outdoor durability, gloss retention, color stability, adhesion, and mechanical performance.
Uses of Hydroxyalkyl Amide (HAA):
Hydroxyalkyl amide (HAA) is primarily used as a crosslinking agent in carboxyl-functional polyester powder coating systems, where it reacts through esterification to form durable and chemically resistant coating networks.
Hydroxyalkyl amide (HAA) is widely applied in TGIC-free formulations for environmentally compliant coatings, especially in outdoor applications such as architectural aluminum profiles, metal furniture, automotive components, and industrial equipment.
Hydroxyalkyl amide (HAA) enhances coating performance by improving mechanical strength, adhesion, gloss retention, and resistance to weathering, making it suitable for applications that require long-term durability and color stability under environmental exposure.
Stability and Reactivity of Hydroxyalkyl Amide (HAA):
Chemical stability:
Hydroxyalkyl amide (HAA) is stable under normal conditions of use.
Handling and storage.
Reactivity:
Reacts with carboxyl-functional polyester resins at elevated temperatures.
To form crosslinked networks.
Conditions to avoid:
Excessive heat.
Moisture.
Prolonged exposure to high humidity.
Incompatible materials:
Strong oxidizing agents.
Strong acids.
Bases.
Hazardous decomposition products:
Thermal decomposition may produce carbon oxides (CO.
CO₂).
Nitrogen-containing compounds.
Handling and Storage of Hydroxyalkyl Amide (HAA):
Handling:
Handle in accordance with good industrial hygiene and safety practices.
Avoid dust formation.
Inhalation during processing.
Storage:
Store in a cool, dry, well-ventilated area.
Keep containers tightly closed when not in use.
Storage conditions:
Protect from moisture.
Humidity to prevent clumping and premature reaction.
Packaging materials:
Use moisture-resistant.
Sealed containers.
Shelf life:
Stable for extended periods when stored under recommended conditions.
First Aid Measures of Hydroxyalkyl Amide (HAA):
Inhalation:
Remove person to fresh air.
If symptoms persist.
Seek medical attention.
Skin contact:
Wash affected area thoroughly with soap and water.
Remove contaminated clothing.
Eye contact:
Rinse cautiously with water for several minutes.
Remove contact lenses if present and easy to do.
Continue rinsing.
Seek medical advice if irritation persists.
Ingestion:
Rinse mouth with water.
Do not induce vomiting.
Seek medical attention if discomfort occurs.
Firefighting Measures of Hydroxyalkyl Amide (HAA):
Suitable extinguishing media:
Water spray.
Dry chemical.
Foam.
Carbon dioxide (CO₂).
Specific hazards:
Dust may form explosive mixtures in air under certain conditions.
Combustion may produce toxic fumes.
Protective equipment:
Firefighters should wear self-contained breathing apparatus (SCBA).
Protective clothing.
Firefighting instructions:
Avoid generating dust.
Prevent runoff from entering drains or water sources.
Accidental Release Measures of Hydroxyalkyl Amide (HAA):
Personal precautions:
Avoid dust formation.
Inhalation.
Use appropriate personal protective equipment.
Environmental precautions:
Prevent release into the environment.
Especially water systems.
Methods for cleaning up:
Sweep or vacuum using appropriate equipment.
To avoid dust dispersion.
Collect material in suitable containers for disposal.
Additional information:
Ensure adequate ventilation during cleanup.
Exposure Controls/Personal Protective of Hydroxyalkyl Amide (HAA):
Engineering controls:
Provide adequate ventilation.
Local exhaust to control airborne dust levels.
Respiratory protection:
Use dust mask.
Respirator if airborne particles exceed exposure limits.
Hand protection:
Wear protective gloves resistant to chemicals.
Eye protection:
Use safety goggles.
Protective eyewear.
Skin and body protection:
Wear protective clothing.
Minimize skin contact.
Hygiene measures:
Avoid eating.
Drinking.
Smoking during handling.
Wash hands thoroughly after use.
Identifiers of Hydroxyalkyl Amide (HAA):
Common class: β-Hydroxyalkyl amide (HAA) / HAA
CAS number: Not fixed
EC number: Not fixed
Product: Hydroxyalkyl amide (HAA)
CAS: 6334-25-4
Synonym: N,N,N′,N′-Tetrakis(2-hydroxyethyl)adipamide; N,N,N',N'-Tetrakis(2-hydroxyethyl)-hexanediamide
Properties of Hydroxyalkyl Amide (HAA):
Appearance: Usually white to off-white powder
Chemical type: Hydroxy-functional amide compound
Appearance: White to slightly pale yellow powder
Density: 1.239 g/cm3
Melting point: 126-130 °C
Molecular Weight: 320.38
Purity: >98%
Appearance: White fine powder
Specification: Powder
Melting Range: 115-130°C
Hydroxyl Equivalent: 80 - 90 g/eq
Volatility: ≤0.1%
