DAAM: Diacetone Acrylamide factory

Diacetone Acrylamide (DAAM) is a versatile monomer used in a variety of polymerization processes to produce resins, coatings, adhesives, and other materials requiring enhanced thermal stability, water resistance, and adhesion properties. DAAM stands out due to its unique chemical structure and the ability to undergo cross-linking reactions with other compounds, such as adipic dihydrazide (ADH), resulting in materials with superior performance.

Chemical Properties of DAAM

  • IUPAC Name: N-(1,1-Dimethyl-3-oxo-butyl)acrylamide
  • Chemical Formula: C9H15NO2
  • Molecular Weight: 169.22 g/mol
  • CAS Number: 2873-97-4
  • Appearance: White crystalline solid or powder
  • Solubility: Soluble in water, ethanol, and other polar solvents
  • Melting Point: 53°C to 55°C

Key Functional Groups

  1. Acrylamide Group: Contributes to polymerizability via free-radical reactions.
  2. Ketone Group: Provides reactive sites for cross-linking with compounds like hydrazines.

Synthesis of DAAM

DAAM is synthesized through the reaction of diacetone alcohol with acrylonitrile, followed by a catalytic hydrogenation or hydrolysis step to introduce the amide group. The production process ensures a high-purity product suitable for industrial applications.

Key Reaction Steps:

  1. Diacetone Alcohol + Acrylonitrile → Intermediary Compound
  2. Hydrogenation or Hydrolysis → Diacetone Acrylamide

Applications of DAAM

1. Adhesives

  • Role of DAAM: Enhances bonding properties by promoting cross-linking and thermal stability.
  • Example: Pressure-sensitive adhesives with improved peel strength and durability.

2. Waterborne Coatings

  • Role of DAAM: Acts as a film-forming agent that provides excellent water resistance and flexibility.
  • Example: Decorative and industrial paints for corrosion and wear resistance.

3. Textile Finishing Agents

  • Role of DAAM: Imparts durable press finishes and anti-wrinkle properties.
  • Example: Use in non-iron finishes for fabrics.

4. Hydrogels and Biomedical Applications

  • Role of DAAM: Contributes to the formation of biocompatible hydrogels.
  • Example: Controlled drug delivery systems.

5. Paper and Packaging

  • Role of DAAM: Provides improved strength and moisture barrier properties.
  • Example: Specialty paper coatings for food and beverage packaging.

6. Sealants

  • Role of DAAM: Improves flexibility and resistance to cracking under stress.
  • Example: Silicone-modified sealants for construction and automotive applications.

Advantages of Using DAAM

  1. Versatile Cross-Linking Ability: Forms strong networks with hydrazide-based cross-linkers like ADH.
  2. Thermal Stability: Ensures integrity under high-temperature conditions.
  3. Moisture Resistance: Creates water-repellent films and structures.
  4. Low Toxicity: Safer to use compared to some alternative monomers.
  5. Wide Compatibility: Works with various polymerization techniques, including emulsion, suspension, and solution processes.

Compatibility with Adipic Dihydrazide (ADH)

The combination of DAAM with ADH is widely used in cross-linked polymer systems. The reaction between the ketone group of DAAM and the hydrazide group in ADH results in a highly durable hydrazone linkage, enabling:

  • Enhanced mechanical strength.
  • Superior thermal resistance.
  • Tailored flexibility depending on formulation requirements.

Reaction Mechanism:

  1. Ketone-Hydrazide Interaction: DAAM + ADH → Hydrazone Bond
  2. Applications: Waterborne polyurethane coatings, self-healing materials, and more.

Market Insights and Trends

Global Demand

The market for DAAM has witnessed significant growth due to its increasing usage in eco-friendly, waterborne formulations and advanced polymer systems. Industries such as automotive, construction, and electronics drive the demand for DAAM-based solutions.

Innovation

Recent advancements focus on:

  1. Bio-Based Alternatives: Synthesis of DAAM from renewable resources.
  2. High-Performance Coatings: Integration into nanocomposite systems for enhanced surface properties.
  3. Sustainable Packaging: Use in biodegradable polymer blends.

Handling and Storage

  • Safety Precautions: Avoid inhalation or skin contact; use appropriate personal protective equipment (PPE).
  • Storage Conditions: Keep in a cool, dry, and well-ventilated place; avoid exposure to moisture and heat.
  • Shelf Life: Typically stable for up to 24 months under recommended conditions.

Diacetone Acrylamide (DAAM) is a critical monomer in modern materials science, offering unique properties that make it indispensable in high-performance applications. From its versatile cross-linking ability to its broad application spectrum, DAAM continues to play a pivotal role in advancing adhesives, coatings, and polymers. Its compatibility with emerging sustainable technologies positions it as a vital component in future innovations.

Post time: Dec-15-2024