3-(Trimethoxysilyl)propyl methacrylate, 98%

Product Introduction

3-(Trimethoxysilyl)propyl Methacrylate is a functional silane coupling agent designed to improve adhesion between organic polymers and inorganic substrates.

The methacrylate functionality allows this molecule to participate in free-radical polymerization with acrylic and methacrylate-based resins, while the trimethoxysilane group undergoes hydrolysis and condensation reactions to form strong bonds with inorganic surfaces such as glass, silica, ceramics, and metal oxides.

Because of its dual reactivity, this compound is widely investigated in polymer–inorganic hybrid materials, composite reinforcement, dental resin systems, and surface-functionalized materials.

Mechanism / Principle

The functionality of 3-(Trimethoxysilyl)propyl Methacrylate comes from its two reactive ends.

The trimethoxysilane group can hydrolyze in the presence of moisture to generate silanol groups (Si–OH). These groups can subsequently condense with hydroxyl-containing surfaces such as silica, glass, ceramic, and metal oxides to form stable Si–O–Si or Si–O–M bonds.

The methacrylate group can undergo free-radical polymerization with resin monomers, creating a covalent connection between inorganic fillers and organic polymer matrices.

This mechanism allows improved interfacial adhesion, mechanical strength, durability, and compatibility in composite systems.

Key Research Applications

1. Dental Composite Materials

3-(Trimethoxysilyl)propyl Methacrylate is widely studied as a silane coupling agent in dental composite materials. It can improve the bonding between inorganic fillers such as silica-based particles and methacrylate resin matrices.

In dental restorative materials, silane coupling agents help enhance filler dispersion, interfacial bonding, mechanical properties, and long-term stability.

2. Dental Adhesives and Restorative Systems

This compound is relevant to research on dental bonding systems, resin-based restorative materials, and filler-modified dental composites.

Its ability to connect inorganic dental fillers with polymer resin networks makes it valuable for improving adhesion and material performance.

3. Polymer Composite Materials

The compound is commonly used in polymer composite research to improve compatibility between organic polymers and inorganic fillers.

Applications include glass fiber reinforced polymers, silica-filled composites, ceramic-polymer composites, and hybrid material systems.

4. Surface Modification

3-(Trimethoxysilyl)propyl Methacrylate is widely investigated for modifying glass, silica, ceramic, and metal oxide surfaces.

Surface treatment with this silane can introduce polymerizable methacrylate functionality onto inorganic surfaces for subsequent polymer coating or composite formation.

5. Adhesives and Sealants

As a coupling promoter, this compound can improve adhesion between polymer adhesives and inorganic substrates.

It is relevant to acrylic adhesives, sealants, coating formulations, and bonding technologies.

6. Coatings and Functional Materials

The molecule is used in research involving functional coatings, protective layers, hybrid organic-inorganic coatings, and surface-engineered materials.

7. Organic-Inorganic Hybrid Materials

The dual functionality of 3-(Trimethoxysilyl)propyl Methacrylate makes it suitable for preparing hybrid materials that combine polymer properties with inorganic characteristics.

Advantages

• Dual reactive functionality: Combines silane coupling capability and methacrylate polymerization ability.
• Strong interface bonding: Improves adhesion between organic polymers and inorganic surfaces.
• Dental material compatibility: Suitable for silica-filled dental composites and resin systems.
• Composite reinforcement: Enhances filler–matrix interaction in polymer composites.
• Surface modification capability: Enables functionalization of glass, silica, ceramic, and metal oxide surfaces.
• Broad material applications: Applicable to adhesives, coatings, polymers, composites, and hybrid materials.
• Commercial availability: Available in stabilized high-purity research grades.

Storage & Handling

• Store in a cool, dry, and well-ventilated area.
• Protect from moisture and direct light.
• Store under inert gas when possible.
• TCI recommends storage in a cool and dark place below 15 °C.
• Avoid prolonged exposure to humidity because silane groups are moisture sensitive.
• Keep away from heat sources and polymerization initiators.
• Wear appropriate gloves, protective clothing, and eye protection during handling.
• Avoid skin and eye contact.

Research Areas

This product can support research, formulation development, and material innovation across the following specific industries:

• Dental Materials – Dental composite resins, restorative materials, filler surface treatment, dental bonding systems, and resin-based dental materials.
• Dental Restorative Materials – Silica-filled composites, ceramic-reinforced dental materials, and resin–filler interface optimization.
• Polymer Composite Materials – Glass fiber composites, silica-filled polymers, ceramic-polymer composites, and hybrid composites.
• Adhesives & Sealants – Acrylic adhesives, bonding agents, and interface-enhanced adhesive formulations.
• Surface Modification – Functionalization of glass, silica, ceramics, and metal oxide surfaces.
• Coatings & Surface Engineering – Protective coatings, functional coatings, and organic-inorganic hybrid coatings.
• Advanced Materials – Hybrid materials, nanocomposites, and polymer-inorganic interface research.

Q1. What is 3-(Trimethoxysilyl)propyl Methacrylate?
3-(Trimethoxysilyl)propyl Methacrylate is a silane coupling agent containing both a methacrylate polymerizable group and a trimethoxysilane functional group.

Q2. What is KH-570?
KH-570 is a common commercial name for 3-(Trimethoxysilyl)propyl Methacrylate.

Q3. Is this product used in dental materials?
Yes. It is widely studied as a silane coupling agent for dental composite materials, especially for improving bonding between inorganic fillers and resin matrices.

Q4. How does this compound improve composite materials?
It forms chemical bridges between inorganic fillers and polymer matrices, improving interfacial adhesion and material performance.

Q5. Is it a monomer or coupling agent?
It can function as both a functional methacrylate monomer and a silane coupling agent.

Q6. What materials can it modify?
It is commonly used for glass, silica, ceramics, metal oxides, and other hydroxyl-containing inorganic surfaces.

Q7. How should it be stored?
Store tightly sealed in a cool, dry, dark environment and protect from moisture.