Product Recommendation: N,N-Dimethylacrylamide (DMAA)
Release time:
2025-04-02
1. Chemical Structure and Properties of DMAA (CAS# 2680-03-7)
N,N-Dimethylacrylamide (DMAA) is an acrylamide derivative with the molecular formula C₅H₉NO and a molecular weight of 99.13 g/mol. Its chemical structure features a vinyl group conjugated to an amide moiety substituted with two methyl groups.
This structure imparts several notable properties to DMAA:
Low Viscosity: DMAA is a low-viscosity liquid, facilitating ease of handling and formulation.
High Reactivity: The presence of the vinyl group enables rapid polymerization, making it suitable for various polymerization processes.
Hydrophilicity: The amide group enhances water solubility, allowing DMAA to be used in aqueous systems.
Adhesion Promotion: DMAA exhibits strong adhesion to substrates like glass and polycarbonate, attributed to its polar amide functionality.
2. Application Fields
DMAA's unique properties make it versatile across various industries:
UV/EB Curing:
Coatings & Inks: Low viscosity and high reactivity enable formulations for UV-curable coatings, adhesives, and printing inks.
Optical Materials: Used in lenses and films due to clarity and low shrinkage.
Oil & Gas:
Drilling Fluids: Enhances thermal and salt resistance in polymers for cementing and fluid loss control.
Healthcare:
Medical Gels: Biocompatible hydrogels for wound dressings and contact lenses.
Industrial Chemistry:
Paper Strengtheners: Improves dry strength in paper products.
Water Treatment: Copolymers act as flocculants for heavy metal removal.
Textile printing and dyeing: Used as a crosslinking agent to improve fiber wrinkle resistance and dye fixation rate.
3. Role in UV/EB Curing Systems
In ultraviolet (UV) and electron beam (EB) curing technologies, DMAA plays a pivotal role:
Reactive Diluent: As a low-viscosity monomer, DMAA reduces the viscosity of formulations without compromising the curing speed or final properties of the cured material.
Adhesion Enhancement: DMAA's polar amide group promotes strong adhesion to various substrates, including challenging surfaces like polycarbonate and glass.
Hydrolytic Stability: Incorporating DMAA improves the hydrolytic resistance of UV-cured polymers, enhancing their durability in humid or aqueous environments.
Optical Clarity: DMAA contributes to excellent optical properties, making it suitable for applications requiring transparency and minimal color distortion.
4.Specification of Easmer DMAA
Appearance | Colorless to yellowish liquid |
Assay /wt.% | 99 Min |
Color /APHA | 50 Max |
Density /@25℃ g/cm³ | 0.962-0.966 |
Moisture /wt.% | 0.3 Max |
Inhibitor MEHQ /ppm | 500 Max |
Flash point /closed-cup ℃ | 70 |
Boiling point /20mmHg ℃ | 81-84 |
Refractive index | 1.4729-1.4732 |
To obtain the complete product specification sheet and technical parameters, please visit our official website or contact our sales team for customized solutions. We are dedicated to providing you with professional support!
DMAA,N,N-Dimethylacrylamide
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2025-12-22
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