SINOMER DDDMA - 1,12-Dodecanediol Dimethacrylate Long-Chain Hydrophobic Monomer

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Sinomer® DDDMA

1,12-dodecanediol dimethacrylate, CAS 72829-09-5, long-chain dimethacrylate monomer, flexible UV crosslinker

SINOMER® DDDMA (1,12-Dodecanediol Dimethacrylate) is a difunctional methacrylic monomer featuring a long C12 hydrophobic spacer chain between two reactive methacrylate end groups. This unique molecular structure provides enhanced molecular mobility and flexibility, making it an ideal crosslinking monomer for applications requiring a balance of flexibility, toughness, and durability. It is widely used in biomaterials, dental composites, coatings, sealants, and specialty adhesives.


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SINOMER® DDDMA

(Long-Chain Hydrophobic Crosslinking Monomer for Flexible, Fast-Curing Systems)


Chemical Name: 1,12-Dodecanediol Dimethacrylate;1,12-dodecanediyl bismethacrylate

CAS No.: 72829-09-5 

MF:C20H34O4

Molecular Structure:


Overview:

SINOMER® DDDMA (1,12-Dodecanediol Dimethacrylate) is a difunctional methacrylic monomer featuring a long C12 hydrophobic spacer chain between two reactive methacrylate end groups. This unique molecular structure provides exceptional flexibility, low viscosity, and enhanced molecular mobility. The long hydrophobic backbone effectively reduces curing shrinkage while imparting excellent weatherability and surface characteristics to the cured polymer matrix.

SINOMER® DDDMA exhibits fast curing response and non-yellowing properties, making it an ideal crosslinking monomer for applications requiring a balance of flexibility, toughness, and durability. It is widely adopted in biomaterials, dental composites, coatings, sealants, and specialty adhesives.


Specifications :

Appearance

Light yellow transparent liquid

Color (Pt-Co)

≤ 100

Viscosity (Tu-4 cup, s @ 25°C)

11 – 13

Acid Value (mg KOH/g)

≤ 1.5


Features :
  • Long C12 hydrophobic spacer chain for enhanced flexibility

  • Fast UV/EB curing response

  • Low viscosity for easy formulation

  • Non-yellowing cured films with high gloss

  • Low curing shrinkage

  • Excellent weatherability and durability

  • Improved surface characteristics and metal adhesion

Applications :
  • Flexible UV-curable films – Provides flexibility and toughness to thin-film coatings

  • Dental materials – Used in dental composites, sealants, and restorative materials

  • 3D printing resins – Improves flexibility and impact resistance in photopolymer formulations

  • Coatings – Radiation-curable coatings requiring enhanced weatherability, flexibility, and metal adhesion

  • Adhesives & sealants – Specialty UV adhesives and sealants for flexible substrates

  • Inks & toners – Improves surface characteristics and durability

  • Plastic lenses – Transparent resin formulations for optical applications

  • Nail strengthening compositions – UV-curable nail care products

Packaging :

20kg or 200 kg/drum

Storage :

Being kept in dry, clean warehouse with well ventilation.

Avoid exposing to light and heating.   

Protecting the product from leakage, rain and insolation during transportation.

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