1.What is 2-Hydroxypropyl Acrylate(2HPA)?

2-Hydroxypropyl acrylate (2HPA) is an important chemical intermediate primarily used for polymer synthesis. It features versatile applications across multiple industries including:

• Coatings

• Adhesives

• Inks

• Textile and paper processing

Functional applications:
• Plasticizer
• Binder
• Performance modifier

Additional specialized uses include:

• Biomedical materials manufacturing

• Protective coating formulations

• Synthetic resin production

 

2.How it Works?

2-Hydroxypropyl acrylate (2HPA) features a bifunctional molecular structure comprising:

• Acrylate group (enabling radical polymerization)

• Hydroxypropyl group (facilitating ester exchange/crosslinking)

Reaction Mechanisms:

1. Radical Polymerization

• The acrylate group readily undergoes free-radical polymerization with:
  ✔ Vinyl monomers (e.g., styrene, methyl methacrylate)
  ✔ Other acrylates

• Forms linear/crosslinked polymers with tunable properties

2. Crosslinking Reactions

• With isocyanates:
  ‣ Hydroxyl group reacts to form urethane linkages (–NHCOO–)
  ‣ Enhances mechanical strength and chemical resistance

• With epoxides:
  ‣ Hydroxyl group participates in ring-opening reactions
  ‣ Creates dense 3D networks for high-performance coatings/adhesives

3. Transesterification

• Hydroxyl group allows ester exchange with:
  ✔ Carboxylic acids
  ✔ Other alcohols

• Enables polymer modification and branching

Resulting Material Properties:

• Enhanced durability (crosslinked networks)

• Tailored hydrophilicity (OH group adjustment)

• Superior adhesion (polar group interactions)

Industrial Implications:

Reaction Type	Functional Group	Industrial Outcome
Radical polymerization	Acrylate	Thermoplastics/elastomers
Isocyanate crosslinking	Hydroxyl	High-strength polyurethanes
Epoxide curing	Hydroxyl	Durable coatings/encapsulants

This dual reactivity makes 2HPA indispensable for synthesizing advanced polymers with precision-engineered performance.

 

3.Benefits and Uses

1. Coatings

2HPA can copolymerize with various monomers to form high-performance copolymers used in:

• Thermosetting acrylic coatings

• UV-curable coatings

• Photosensitive coatings

Industries Served:
✔ Architecture (building paints)
✔ Automotive (car finishes)
✔ Furniture (surface protection)

Key Benefits:
• Enhanced weather resistance
• Improved film-forming properties
• Excellent adhesion to substrates

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2. Adhesives

2HPA-based adhesives utilize crosslinking reactions to create high-strength bonds for:

• Wood

• Paper

• Textiles

• Metals

Industry Applications:
• Construction (structural bonding)
• Automotive (component assembly)
• Packaging (flexible laminates)

Performance Advantages:
✔ High peel strength
✔ Thermal stability
✔ Chemical resistance

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3. Printing Inks

In ink formulations, 2HPA:

• Boosts pigment dispersion

• Enhances print stability

• Improves substrate wetting

Result:
• Sharper image quality
• Reduced drying time
• Longer shelf life

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4. Biomedical Materials

2HPA enables development of:

• Biocompatible coatings (e.g., for medical devices)

• Dental resins

• Drug delivery matrices

Material Advantages:
◈ Tunable hydrophilicity
◈ Controlled degradation rates
◈ Non-cytotoxic formulations

 

4.Q&A

Q:Does the company accept sample orders?

A:Yes, our company accepts sample orders.

Q:What is the minimum order quantity for the company?

A:We do not have a minimum order quantity requirement, we arrange according to the customer's needs.

Q:How to ensure the quality of goods?

A:We have a strict QC/QA management system and strict release procedures, and we will provide all procedures to customers before shipment according to their requirements.

Q:Can we see the product quality before the order is shipped?

A:Of course, we always provide a relative Batach (s) 'COA before shipping.

Q:How will you deliver the goods?

A:We will communicate with customers, adopt their suggestions, arrange the most suitable delivery method, and ensure mutual satisfaction.