Description

Oxirane, Methyl-, Polymer With Oxirane, Mono3-1,3,3,3-Tetramethyl-1-(Trimethylsilyl)Oxydisiloxanylpropyl Ether is a specialized organosilicon-modified polyether, designed to impart unique surface-active and compatibilizing properties. This compound is valued for its ability to act as a reactive intermediate or functional additive, bridging the performance gap between silicone and organic polymer matrices. It is essential for formulators and manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as in advanced material science, seeking to enhance product durability, flexibility, and surface characteristics.

Application

• As a reactive surfactant or compatibilizer in polyurethane foam systems to improve cell structure and stability.
• Key functional additive in high-performance silicone-modified coatings for enhanced weather resistance, gloss, and substrate adhesion.
• Used in the formulation of pressure-sensitive adhesives (PSAs) and sealants to modify tack, peel strength, and compatibility with various substrates.
• As a surface-modifying agent for fillers and pigments to improve dispersion in organic polymer systems.
• Intermediate in the synthesis of specialty silicone polyethers for use as foam stabilizers, demulsifiers, or textile auxiliaries.
• Component in release coatings and mold-making materials where controlled surface energy is critical.
• Potential use in electronic encapsulants and potting compounds to manage stress and improve environmental protection.

Basic Information

Product Name	Oxirane, Methyl-, Polymer With Oxirane, Mono3-1,3,3,3-Tetramethyl-1-(Trimethylsilyl)Oxydisiloxanylpropyl Ether
CAS No.	134180-76-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Poly(oxy(methyl-1,2-ethanediyl)), α-[3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy]disiloxanyl]propyl]-ω-hydroxy-; Siloxane, 1,1,1,3,5,5,5-heptamethyl-3-[3-(2-methyloxiranylmethoxy)propyl]trisiloxan-1-ol polymer with 2-methyloxirane; Silicone polyether; Organomodified trisiloxane polyalkyleneoxide; EO/PO copolymer terminated with heptamethyltrisiloxane; Hydroxy-functional silicone polyether; Reactive silicone polyol; Trisiloxane alkoxylate
EINECS	Contact for details

Quality Control

Our production of this advanced silicone polyether adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot is characterized using advanced analytical techniques including GPC, NMR, and titration to confirm molecular weight distribution, functional group content, and purity. A comprehensive Certificate of Analysis (COA) detailing all relevant specifications is provided with every shipment to support your quality assurance and regulatory needs.

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) under an inert atmosphere (e.g., nitrogen) to prevent oxidation and moisture absorption. Keep away from heat, sparks, and open flame. For long-term storage, consider refrigeration to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (Silicone Content)	Contact for details
Hydroxyl Value (mg KOH/g)	Contact for details
Viscosity @ 25°C (cSt)	Contact for details
Water Content (KF)	< 0.1%
Specific Gravity @ 25°C	Contact for details
Refractive Index @ 20°C	Contact for details

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