2-hydroxyethyl acrylate(2-HEA)

Key Properties

• Chemical Name: 2-Hydroxyethyl Acrylate

• CAS Number: 818-61-1

• Molecular Formula: C₅H₈O₃

• Functional Groups: Acrylate group, hydroxyl group

• Appearance: Colorless to pale yellow liquid

• Solubility: Miscible with water and many organic solvents

  
  

Main Applications

Coatings and Paints

2-HEA enhances adhesion, flexibility, and durability in water-based and solvent-based coatings. It is widely used in industrial, automotive, and protective coatings.

Adhesives and Sealants

The hydroxyl group improves bonding strength and compatibility with various substrates, making 2-HEA suitable for pressure-sensitive adhesives and structural adhesives.

Polymer and Resin Modification

2-HEA is used as a functional monomer to modify acrylic resins, polyurethane systems, and copolymers, improving crosslinking efficiency and surface performance.

Textile and Paper Treatments

In textile finishes and paper coatings, 2-HEA contributes to better film formation, softness, and resistance properties.

Advantages of 2-HEA

• Excellent adhesion to multiple substrates

• High reactivity for copolymerization

• Improves flexibility and toughness of polymers

• Enhances water dispersibility in formulations

• Suitable for a wide range of industrial formulations

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Packaging and Storage

2-Hydroxyethyl Acrylate is typically supplied in sealed industrial packaging. It should be stored in a cool, dry, and well-ventilated area, away from heat, light, and sources of polymerization. Inhibitors are usually added to ensure product stability during storage and transportation.

Safety Information

2-HEA should be handled with appropriate protective equipment. Avoid direct skin contact and inhalation. Proper industrial safety practices and handling procedures are recommended during use and storage.

Frequently Asked Questions (FAQs)

Q1: What is 2-Hydroxyethyl Acrylate mainly used for?

A1: It is mainly used in coatings, adhesives, acrylic resins, and polymer modification to improve adhesion, flexibility, and reactivity.

Q2: Why does 2-HEA improve adhesion in coatings?

A2: The hydroxyl functional group allows stronger interactions with substrates and resins, enhancing bonding performance.

Q3: Is 2-HEA suitable for water-based systems?

A3: Yes, 2-HEA shows good compatibility with water-based formulations and is widely used in waterborne coatings and adhesives.

Q4: How should 2-HEA be stored?

A4: It should be stored in tightly closed containers, in a cool and dry environment, protected from heat and direct sunlight.

Q5: Can 2-HEA be used in copolymerization?

A5: Yes, it is commonly used as a functional monomer in copolymerization to introduce hydroxyl functionality into polymer chains.

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