Description

Methacryloxypropyl T-Structure Siloxane is a specialized organofunctional siloxane monomer featuring a unique T-structure (trifunctional) with a reactive methacrylate group. This compound is engineered to act as a high-performance coupling agent and crosslinker, enabling the formation of durable, organic-inorganic hybrid networks. It is essential for manufacturers in the advanced materials sector seeking to enhance the adhesion, thermal stability, and mechanical properties of polymers, coatings, and composites.

Application

• Silicone Hybrid Materials: A key crosslinking agent for creating high-strength, transparent silicone resins and gels used in optical and electronic encapsulants.
• Adhesion Promoters: Improves the bonding of silicone-based sealants, adhesives, and coatings to difficult substrates like metals, glass, and plastics.
• UV-Curable Coatings & Inks: Serves as a reactive diluent and modifier in radiation-curable formulations, offering low shrinkage and enhanced flexibility.
• Dental & Biomedical Composites: Used in the formulation of dental restorative materials and biocompatible implants due to its ability to form stable, durable networks.
• Fiber Optic Coatings: Imparts essential protective and functional properties to primary and secondary coatings for optical fibers.
• Release Coatings: A component in the synthesis of silicone release liners for pressure-sensitive adhesive tapes and labels.
• Modifier for Nanoparticles: Functionalizes silica and other inorganic nanoparticles to improve their dispersion and compatibility in organic polymer matrices.

Basic Information

Product Name	Methacryloxypropyl T-Structure Siloxane
CAS No.	67923-18-6
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	3-Methacryloxypropyl T-Structure Siloxane; Methacryloxypropylsilsesquioxane; Methacryloxypropyl-POSS; Methacryloxypropyl Polyhedral Oligomeric Silsesquioxane; Methacryloxypropyl Trisilanol; T-Methacryloxypropyl Siloxane; (3-Methacryloxypropyl)silsequioxane; MAPTSS
EINECS	Contact for details

Quality Control

Our Methacryloxypropyl T-Structure Siloxane is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay, purity verification, and functional group analysis, to ensure consistent performance and reliability for your formulations. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Recommended storage temperature is between 2°C and 25°C. Keep away from heat, sparks, and open flame. Under these conditions, the product is stable for the period indicated on the label.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (NMR/HPLC)	≥ 95.0%
Methacrylate Content	Contact for details
Viscosity (25°C)	Contact for details
Refractive Index (n20D)	Contact for details
Specific Gravity (25°C)	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.