Description

Poly(Cyclohexylsilsesquioxane) Silanol Functional is a specialized organosilicon compound featuring a silsesquioxane cage structure with reactive silanol (Si-OH) groups. This unique architecture provides a combination of excellent thermal stability, low dielectric constant, and enhanced compatibility with organic matrices, making it a valuable functional additive and precursor. It is primarily utilized in advanced material science for developing high-performance coatings, electronic encapsulants, and hybrid nanocomposites. Industries seeking to improve the thermal and mechanical properties of polymers or create tailored surface modifications will find this material particularly valuable.

Application

• High-Performance Resin Modifier: Used as a cross-linking agent or additive in epoxy, silicone, and polyimide resins to enhance thermal stability, mechanical strength, and dielectric properties.
• Electronic Packaging Materials: Serves as a key component in underfills, molding compounds, and encapsulants for semiconductors, offering low stress and excellent moisture resistance.
• Nanocomposite Fabrication: Acts as a nano-building block (POSS) for creating organic-inorganic hybrid materials with tailored surface characteristics and improved dispersion.
• Specialty Coatings: Incorporated into protective and release coatings to impart heat resistance, low surface energy, and improved adhesion to various substrates.
• Adhesive & Sealant Formulations: Enhances the durability, weatherability, and bond strength of high-temperature adhesives and sealants.
• Surface Functionalization: The reactive silanol groups allow for covalent attachment to surfaces like silica, metals, or polymers for advanced sensor or catalyst support applications.

Basic Information

Product Name	Poly(Cyclohexylsilsesquioxane) Silanol Functional
CAS No.	4115-83-7
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Cyclohexylsilsesquioxane Silanol; Cyclohexyl-POSS Silanol; Polyhedral Oligomeric Silsesquioxane with Cyclohexyl and Silanol Groups; Cyclohexyl T7 Silanol POSS; (CyclohexylSiO1.5)n with Si-OH; Octacyclohexyl T8 Silsesquioxane (partial substitution); Hydroxy-Functionalized Cyclohexyl POSS
EINECS	Contact for details

Quality Control

Our Poly(Cyclohexylsilsesquioxane) Silanol Functional is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistency in composition, functionality, and purity. Key parameters monitored include silanol content, molecular weight distribution, and residual solvent levels. A comprehensive Certificate of Analysis (COA) detailing the specific results is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure containers are sealed immediately after use to prevent degradation due to atmospheric moisture. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder or lumps
Identification (IR)	Conforms to structure
Silanol Content	Contact for details
Cyclohexyl Content	Contact for details
Loss on Drying	≤ 2.0%
Residual Solvent (GC)	Contact for details

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