Description

Methacryl-Poss Cage Mixture is a specialized hybrid organic-inorganic material featuring polyhedral oligomeric silsesquioxane (POSS) cages functionalized with methacrylate groups. This unique architecture is engineered to enhance the thermal, mechanical, and dimensional stability of polymer matrices while maintaining excellent processability. It is a critical performance additive for advanced material scientists and formulators in industries demanding high-performance composites, such as aerospace, microelectronics, and specialty coatings.

Application

• High-Performance Polymer Composites: Acts as a nano-reinforcing agent to improve modulus, thermal stability, and reduce shrinkage in thermosets like epoxies and methacrylate resins.
• Advanced Optical Materials: Used in the formulation of high-refractive-index, transparent coatings and lenses where dimensional stability under thermal cycling is paramount.
• Electronics Encapsulation & Underfills: Enhances the reliability of microelectronic packages by reducing coefficient of thermal expansion (CTE) and managing stress.
• Specialty Additive for Acrylics: Incorporated into acrylic polymers (PMMA) and coatings to significantly boost heat resistance and surface hardness.
• Lithography & Photoresists: Serves as a component in next-generation photoresists for semiconductor manufacturing, improving etch resistance and pattern fidelity.
• Adhesives & Sealants: Imparts enhanced toughness, thermal resistance, and durability to structural and specialty adhesive formulations.

Basic Information

Product Name	Methacryl-Poss Cage Mixture
CAS No.	160185-24-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Methacryl Isobutyl POSS Cage Mixture; Methacryl-Functionalized POSS; Methacryl Polyhedral Oligomeric Silsesquioxane; Methacryl-POSS Macromer; POSS-Methacrylate; 3-(3,5,7,9,11,13,15-Heptaisobutylpentacyclo[9.5.1.1³,⁹.1⁵,¹⁵.1⁷,¹³]octasiloxan-1-yl)propyl methacrylate mixture; Methacryloxypropyl-POSS; Hybrid Methacrylate Siloxane
EINECS	Contact for details

Quality Control

Our Methacryl-Poss Cage Mixture is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including NMR, FT-IR, and HPLC, to ensure consistent composition, functional group integrity, and purity. Certificates of Analysis (COA) detailing batch-specific results are provided and can be tailored to meet specific customer or regulatory 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). Keep away from strong bases and incompatible organic solvents. For long-term storage, consider an inert atmosphere to preserve reactivity.

Specification

Item	Specification
Appearance	White to off-white powder or viscous liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Cage Mixture)
Methacrylate Content	Contact for details
Residual Solvent	< 0.5%

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