Description

Siloxanes And Silicones, Di-Me, 3-Hydroxypropyl Group-Terminated, Reaction Products With 2-Oxepanone, Acetates is a specialized organomodified silicone polymer, CAS 162567-80-8, engineered for advanced material science applications. This compound is valued for its unique combination of silicone backbone flexibility and reactive terminal groups, enabling precise tuning of material properties. It is primarily sought by formulators in the personal care, coatings, and high-performance elastomer industries to impart enhanced compatibility, durability, and functional performance to end products.

Application

• As a key reactive intermediate in the synthesis of custom silicone polyols for polyurethane systems.
• As a compatibilizer and modifier in high-performance coatings and inks to improve flow, leveling, and substrate adhesion.
• As a functional additive in personal care formulations (e.g., hair conditioning agents, skin care products) to provide softness and emolliency.
• In the production of specialty silicone elastomers and sealants with tailored mechanical and surface properties.
• As a lubricant and release agent precursor for industrial molding and manufacturing processes.
• For modifying thermoplastic polymers to enhance impact resistance and processing characteristics.

Basic Information

Product Name	Siloxanes And Silicones, Di-Me, 3-Hydroxypropyl Group-Terminated, Reaction Products With 2-Oxepanone, Acetates
CAS No.	162567-80-8
Molecular Formula	Contact for details
Molecular Weight	Varies by grade/polymer chain length
Synonyms	Poly[oxy(dimethylsilylene)], α-(3-hydroxypropyl)-ω-(3-hydroxypropyl)-, acetate, reaction products with ε-caprolactone; Hydroxypropyl-terminated polydimethylsiloxane, caprolactone-modified acetate; Siloxanes and silicones, di-Me, 3-hydroxypropyl group-terminated, reaction products with 2-oxepanone, acetates; Caprolactone-modified hydroxypropyl PDMS acetate; Functionalized silicone polyol acetate; Organomodified silicone polymer with caprolactone and acetate groups
EINECS	Contact for details

Quality Control

Our production of this advanced silicone polymer adheres to strict quality management systems. Each batch is characterized using advanced analytical techniques to ensure consistency in molecular weight distribution, functional group content, and purity. Certificates of Analysis (COA) detailing key parameters such as hydroxyl value, acetate content, viscosity, and residual monomers are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C/59-77°F). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The product may be moisture-sensitive; ensure containers are sealed when not in use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Clear, viscous liquid
Identification (IR)	Conforms to structure
Viscosity @ 25°C	Specification available upon request
Hydroxyl Value (mg KOH/g)	Specification available upon request
Acetate Content	Specification available upon request
Water Content (KF)	< 0.5%
Residual Monomer	< 1.0%

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