⟡ Urethane Dimethacrylates / UV-Curable Resins / Crosslinking Monomers
Diurethane Dimethacrylate (DUDMA), also known as Bis(2-methacryloxyethyl) N,N′-1,9-nonylene biscarbamate, is a long chain-length crosslinking monomer widely used in light-cure, peroxide-cure, and specialty polymer systems. The material polymerizes to form hard, glassy surfaces with low color and is commonly incorporated into dental, industrial coating, adhesive, and composite formulations.
DUDMA is frequently used as a reactive oligomer and crosslinking component in UV-curable systems where toughness, wear resistance, adhesion, and chemical resistance are important performance characteristics.
Key Features & Benefits
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Long chain urethane dimethacrylate: suitable for crosslinked polymer systems
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UV and peroxide cure compatibility: commonly used in light-cure formulations
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Hard, glassy cured surfaces: low-color polymerization characteristics
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Improves mechanical performance: supports toughness and wear resistance
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Useful in coatings and composites: compatible with reactive resin systems
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Reactive crosslinking monomer: suitable for advanced polymer formulations
Product Details
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Product name: Diurethane Dimethacrylate
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Abbreviation: DUDMA
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Chemical name: Bis(2-methacryloxyethyl) N,N′-1,9-nonylene biscarbamate
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Chemistry: Urethane dimethacrylate crosslinking monomer
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Polymerization: UV-curable and peroxide-curable systems
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Applications: Dental composites, industrial coatings, structural adhesives, UV-curable resins, and polymer composites
Typical Applications
Dental composites
Used to improve wear resistance and mechanical performance in restorative composite formulations.
Industrial coatings
Incorporated into UV-curable and specialty coating systems requiring toughness and chemical resistance.
Structural adhesives
Supports adhesion and impact resistance in reactive adhesive formulations.
Composite resin systems
Commonly used in crosslinked polymer matrices and reinforced composite materials.
Functional Properties
DUDMA functions as a difunctional methacrylate crosslinking monomer that contributes toughness, rigidity, and durability to cured polymer systems.
The urethane linkage contributes flexibility and impact resistance while the dimethacrylate functionality enables formation of highly crosslinked polymer networks during UV or peroxide curing.
Why Use DUDMA?
DUDMA is widely used in advanced polymer systems because it balances crosslink density, toughness, low color formation, and mechanical performance.
Its compatibility with dental composites, coatings, adhesives, and UV-curable materials makes it useful for specialty industrial and materials research applications.
Handling & Storage
- Store in a cool, dry environment away from direct light and heat.
- Keep containers tightly sealed to minimize contamination and premature polymerization.
- Avoid prolonged exposure to UV light and radical initiators.
- Handle using appropriate laboratory protective equipment.
- Consult the SDS for complete handling, storage, and safety information.
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FAQ
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What is DUDMA used for?
DUDMA is used in dental composites, industrial coatings, structural adhesives, UV-curable resins, and polymer composite systems.
What does DUDMA stand for?
DUDMA stands for Diurethane Dimethacrylate, a urethane-based dimethacrylate crosslinking monomer.
Is DUDMA compatible with UV curing systems?
Yes. DUDMA is commonly used in UV-curable and peroxide-curable polymer formulations.
What properties does DUDMA provide in polymers?
DUDMA contributes toughness, wear resistance, adhesion, chemical resistance, and low-color cured surfaces.
Why is DUDMA used in dental composites?
It helps improve mechanical performance, durability, and wear resistance in restorative composite materials.
