SINOMER® DDDMA (1,12-Dodecanediol Dimethacrylate) 是一款 difunctional methacrylate 单体 featuring a 12-carbon aliphatic spacer between two terminal methacrylate groups. This unique C12 hydrophobic backbone 具有低粘度, 卓越的 flexibility,及enhanced molecular mobility, making it an ideal crosslinking comonomer 用于 dental restorative composites, adhesives,及sealants.
SINOMER® DDDMA 用于 Dental 应用
高-性能 Crosslinking 单体用于 Dental Composites, Adhesives & Sealants
化学名称：1,12-Dodecanediol Dimethacrylate;1,12-dodecanediyl bismethacrylate
CAS No.: 72829-09-5
MF:C20H34O4
Molecular Structure:
Overview:
SINOMER® DDDMA (1,12-Dodecanediol Dimethacrylate) 是一款 difunctional methacrylate 单体 featuring a 12-carbon aliphatic spacer between two terminal methacrylate groups. This unique C12 hydrophobic backbone 具有低粘度, 卓越的 flexibility,及enhanced molecular mobility, making it an ideal crosslinking comonomer 用于 dental restorative composites, adhesives,及sealants.
于 dentistry, DDDMA serves 作为 a key component 于 the 树脂 matrix of dental materials. Its inclusion contributes to improved mechanical 性能指标—such 作为 fracture toughness及flexural strength—while the hydrophobic nature of the dodecamethylene chain reduces 水性 sorption及enhances longevity of restorations.
| 检验项目 (Item) | 指标要求 (Specification) |
| 外观 (外观) | 淡黄色透明液体 |
| 色泽 (Pt-Co) | ≤ 100 |
| 粘度 (Tu-4 cup, s @ 25°C) | 11 – 13 |
| Acid Value (mg KOH/g) | ≤ 1.5 |
| Functionality | 2 |
| Inhibitor (MEHQ) | Available upon request |
| 检验项目 (Item) | 指标要求 (Specification) |
| Benefit | 描述 |
| 低 Polymerization Shrinkage | The long C12 aliphatic chain accommodates volume changes during 固化, resulting 于 significantly lower polymerization shrinkage compared to conventional methacrylate monomers. This reduces internal stress及marginal gap formation 于 dental restorations. |
| Enhanced Mechanical 性能指标 | DDDMA-formulated dental resins show improved flexural strength, fracture toughness,及wear resistance. Research indicates significantly higher compressive strength compared to traditional composites. |
| Reduced 水性 Sorption | The hydrophobic dodecamethylene backbone minimizes 水性 uptake, 改善 dimensional stability及long-term durability of dental materials 于 the oral environment. |
| 卓越的 Flexibility & Impact Resistance | DDDMA 具有良好 flexibility及impact resistance, balancing the rigidity of aromatic monomers like Bis-GMA to reduce brittleness 于 cured restoratives. |
| 低粘度 | The 低-粘度 nature of DDDMA facilitates easy handling及improves filler wetting 于 composite 配方. |
| 检验项目 (Item) | 指标要求 (Specification) |
| 应用 | 描述 |
| Restorative Composites | 应用作为 a crosslinking comonomer 于 the organic 树脂 matrix, 提升 mechanical strength, wear resistance,及longevity of dental restorations. |
| Dental Adhesives | Demonstrates 低 polymerization shrinkage when 应用于 adhesives; the hydrophobic nature facilitates substrate penetration及improves bond durability. |
| Pit & Fissure Sealants | Incorporated into sealant 配方用于改善 degree of conversion, mechanical 性能指标,及reduce 水性 sorption. |
| 树脂 Infiltrants | 应用作为 a hydrophobic 单体于 experimental 树脂 infiltrants 用于 treatment of white spot lesions. |
Proven 性能 – Backed 由 dental research demonstrating improved mechanical 性能指标, reduced shrinkage,及enhanced durability
Hydrophobic Advantage – The C12 aliphatic chain reduces 水性 sorption, a critical factor 用于 long-term clinical success of dental restoratives
低 Shrinkage – Significantly lower polymerization shrinkage compared to other methacrylate crosslinkers
Reliable Supply – Consistent quality 具有 full traceability及technical support
Cost-Effective 对标替代 – Competitive pricing without compromising 性能
Formulation Considerations:
DDDMA 是 typically 应用作为 a co-单体于 dental 树脂配方, often 于 combination 具有 base monomers such 作为 Bis-GMA, UDMA, 或 TEGDMA. Its 低 viscosity及hydrophobic nature make it an 卓越的 choice 用于降低水性 sorption及improving the overall balance of mechanical及physical 性能指标于 dental materials.
用于 specific formulation recommendations及technical support, please contact our team.
20kg 或 200 kg/drum
Q: What makes DDDMA 适用于 dental composites compared to other crosslinkers?
A: DDDMA's unique C12 hydrophobic spacer chain 具有 an optimal balance of 低 polymerization shrinkage, reduced 水性 sorption,及enhanced mechanical 性能指标—critical factors 用于 long-term clinical 性能 of dental restoratives.
Q: How does DDDMA compare to Bis-GMA 或 UDMA 于 dental 应用?
A: While Bis-GMA 具有高 rigidity及UDMA 具有卓越的 flexibility, DDDMA functions 作为 a hydrophobic crosslinking diluent reduces 粘度, lowers 水性 sorption,及improves flexibility without compromising mechanical strength. It 是 often 应用于 combination 具有 these base monomers to achieve optimal formulation 性能指标.
Q: 是 DDDMA 适用于 food contact 或 biocompatible 应用?
A: DDDMA 是 widely 应用于 dental materials are 于 contact 具有 oral tissues. However, we recommend customers verify compliance 具有 relevant regional regulations (FDA, MDR, etc.) based 用于 their specific formulation及intended use.
Q: What 是 the recommended 储存 condition 用于 SINOMER® DDDMA?
A: Store 于 a dry, clean, well-ventilated warehouse, protected 自 light及heat. Shelf life 是 12 months 于 the original unopened container.
Q: 可 SINOMER® DDDMA be customized 用于 specific dental 应用?
A: Yes, we offer flexible specifications including inhibitor levels及purity grades to meet specific formulation requirements. Please contact our technical team 用于 customization options.
