Description

Poly(Cyclopentylsilsesquioxane), Methacryloxypropyl Substituted is a hybrid inorganic-organic polymer featuring a silsesquioxane cage structure functionalized with cyclopentyl and methacryloxypropyl groups. This unique architecture provides exceptional thermal stability, low dielectric constant, and excellent optical clarity, making it a critical performance additive in advanced material formulations. It is primarily sought by manufacturers in the electronics, aerospace, and high-performance coatings industries seeking to enhance the properties of their composite materials and resins.

Application

• Low-Dielectric (Low-k) Materials: As a key component in semiconductor packaging and interlayer dielectrics to reduce signal delay and crosstalk.
• High-Performance Coatings: Imparts superior heat resistance, scratch resistance, and weatherability to protective and optical coatings.
• Advanced Composite Matrices: Used as a crosslinking agent or modifier in epoxy, silicone, and other resin systems to improve thermal and mechanical properties.
• Optical Encapsulants & Lenses: Enhances light transmission and thermal stability in LED encapsulants and specialty optical components.
• Release Coatings & Moldmaking: Provides non-stick properties and high-temperature stability for industrial release agents and mold materials.
• Adhesives & Sealants: Improves flexibility, adhesion, and environmental resistance in high-specification bonding applications.

Basic Information

Product Name	Poly(Cyclopentylsilsesquioxane), Methacryloxypropyl Substituted
CAS No.	169391-91-7
Molecular Formula	Contact for details
Molecular Weight	Varies by degree of polymerization
Synonyms	Methacryloxypropyl-substituted Poly(Cyclopentylsilsesquioxane); Methacryloxypropyl POSS; Methacryloxypropyl Polyhedral Oligomeric Silsesquioxane; Methacryloxypropyl-Cyclopentyl-POSS; Cyclopentyl-Methacryloxypropyl Silsesquioxane Copolymer; Hybrid Inorganic-Organic Polymer; POSS Methacrylate Derivative; Cage-Structured Siloxane Polymer
EINECS	Contact for details

Quality Control

Our production of Poly(Cyclopentylsilsesquioxane), Methacryloxypropyl Substituted adheres to stringent quality management protocols. Each batch undergoes comprehensive analysis, including functional group verification, molecular weight distribution, and purity assessment, to ensure consistency and performance. Certificates of Analysis (COA) detailing all critical parameters are provided to guarantee compliance with your technical specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider an inert atmosphere to maintain optimal reactivity.

Specification

Item	Specification
Appearance	Viscous liquid to solid
Identification (IR)	Conforms to structure
Methacryloxypropyl Content	Contact for details
Cyclopentyl Content	Contact for details
Molecular Weight (GPC)	Specified range
Viscosity	Specified range
Purity (HPLC)	> 95%

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