Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Domestic D-17 Methacryloxypropyltriacetoxysilane

Domestic D-17 Methacryloxypropyltriacetoxysilane is a reactive silane coupling agent from Domestic’s D-series, featuring methacrylate functionality and triacetoxysilane groups. It enhances adhesion between organic polymers and inorganic substrates like glass, metals, or fillers—widely used in UV-curable coatings, sealants, and composite formulations for improved mechanical strength and moisture resistance.
  • domestic d 17 methacryloxypropyltriacetoxysilane_c0f81395
  • domestic d 17 methacryloxypropyltriacetoxysilane_c0f81395

Features Of Domestic D-17 Methacryloxypropyltriacetoxysilane

  1. Highly reactive triacetoxysilane functionality enables rapid condensation with hydroxyl-rich substrates under ambient conditions.

  2. Methacryloxy group provides excellent covalent bonding to unsaturated polyester, acrylic, and vinyl polymer matrices.

  3. Propyl spacer ensures optimal distance between silane anchor and organic reactive site, enhancing interfacial adhesion efficiency.

  4. Domestically manufactured to consistent quality standards with strict batch-to-batch reproducibility.

  5. Low volatility and favorable handling characteristics compared to chlorosilane alternatives.

Typical Applications Of Domestic D-17 Methacryloxypropyltriacetoxysilane

  1. Adhesion promoter in glass fiber-reinforced plastics (GFRP) for automotive and marine composites.

  2. Surface modifier for silica fillers and mineral extenders in high-performance coatings and sealants.

  3. Coupling agent in radiation-curable acrylate systems, including UV/EB inks and adhesives.

  4. Moisture-scavenging additive in RTV silicone formulations to improve shelf life and cure depth.

  5. Interfacial enhancer in hybrid organic–inorganic nanocomposites for structural adhesives.

Specifications Of Domestic D-17 Methacryloxypropyltriacetoxysilane

Chemical TypeMethacryloxy-functional triacetoxysilane
Product FormLiquid
AppearanceColorless to pale yellow clear liquid
Density (25°C)1.08–1.12 g/cm³
Refractive Index (25°C)1.435–1.445
Flash Point (COC)≥ 110°C
pH (1% in water)4.0–5.5
Storage Stability≥ 12 months in sealed container at <25°C, protected from moisture


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