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2-Hydroxypropyl Methacrylate (HPMA)

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2-Hydroxypropyl Methacrylate (HPMA)
  • Chemical Name
    Product:

    2-Hydroxypropyl Methacrylate

  • formula-product
    Formula:

    C7H12O3

  • CAS-Number
    CAS-Number:

    27813-02-1

Parameters
2-Hydroxypropyl Methacrylate (HPMA) specification
# Specification Value
1 Appearance Clear colorless liquid
2 Purity (Ester content), %, min ≥ 97
3 Color (APHA), max ≤ 30
4 Water content, %, max ≤ 0.2
5 Acid value, %, max ≤ 0.2
6 Specific gravity (20°C) 1.040 – 1.050
7 Inhibitor (MEHQ), ppm 200 ± 20
8 Application scope Coatings, adhesives, functional polymers
9 Grade Industrial grade
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Introduction to 2-Hydroxypropyl Methacrylate (HPMA)

2-Hydroxypropyl Methacrylate (HPMA) is a reactive monomer widely used in the production of specialty polymers and functional resins. Known for its hydroxyl functionality and reactivity, HPMA plays a crucial role in the formulation of high-performance coatings, adhesives, and sealants. In Brazil, demand is growing steadily as local manufacturers focus on products that require both flexibility and strong adhesion, especially in the automotive, construction, and industrial coatings sectors.

Chemical structure and key characteristics

At the molecular level, HPMA contains a 2 Hydroxypropyl group attached to a methacrylate backbone. This structure combines the reactivity of the methacrylate group with the hydrophilic nature of the hydroxyl group.

Key characteristics include:

  • High reactivity in free-radical polymerization
  • Compatibility with other acrylates and methacrylates
  • Excellent moisture retention and hydrogen bonding capacity

These traits make HPMA a preferred building block in systems requiring strong surface bonding and durability.

Industrial applications of HPMA

HPMA is utilized across a broad range of industrial processes where tailored polymer properties are essential. Common uses include:

  • Coatings: Improves flexibility and chemical resistance in automotive and metal coatings.
  • Adhesives and sealants: Enhances bond strength and elasticity, especially in moisture-sensitive applications.
  • Specialty polymers: Adds hydrophilicity and performance control in waterborne systems.
  • Resins: Used to create crosslinked networks in high-durability applications.

Its ability to balance hardness and flexibility makes HPMA ideal for custom formulation strategies in the Brazilian industrial market.

Role of HPMA in polymer performance

In polymer systems, HPMA enhances adhesion to metals, plastics, and glass by increasing surface affinity. It also improves elasticity and long-term durability without sacrificing hardness or resistance. These benefits are especially relevant in high-performance environments such as:

  • Flexible yet tough industrial coatings
  • Adhesives for dynamic assemblies
  • Waterborne dispersions requiring long-term film integrity

By improving surface wetting and enabling strong copolymer interactions, HPMA consistently delivers performance advantages in demanding industrial settings.

Handling, storage, and usage considerations

To maintain its reactivity and stability, HPMA should be stored in tightly sealed containers in a cool, dry place, away from direct sunlight. Proper handling includes:

  • Use of stainless steel or polyethylene containers
  • Temperature control to avoid premature polymerization
  • Personal protective equipment (PPE) for safe handling

Following these protocols helps ensure product quality and safety during industrial processing.

Conclusion and supply to Brazil

HPMA continues to play an essential role in the advancement of modern materials, from coatings and adhesives to complex polymer networks. Its unique balance of reactivity, flexibility, and hydrophilic properties makes it a strategic monomer in Brazil’s industrial development.

Foscote Group supplies 2-Hydroxypropyl Methacrylate and a wide range of chemical raw materials to companies throughout Brazil. Our clients benefit from consistent quality, dependable logistics, and expert support tailored to the demands of industrial formulations.

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