Description

Methoxymethylsiloxane, Dimethylsiloxane Copolymer is a specialized organosilicon compound that functions as a reactive intermediate and modifier. This copolymer is valued for its ability to introduce methoxy-functional siloxane segments into polymer systems, enhancing properties like adhesion, compatibility, and surface modification. It is primarily utilized by manufacturers in the silicone industry, coatings sector, and advanced material science for developing tailored performance materials.

Application

• Silicone Resin & Elastomer Modification: Used as a reactive component to introduce cross-linking sites or modify the flexibility and adhesion of silicone-based polymers.
• Surface Treatment & Coatings: Acts as a coupling agent or additive in coatings to improve wetting, adhesion to various substrates, and weatherability.
• Release Agent Formulation: Serves as a key ingredient in the production of silicone-based release coatings for papers, films, and labels.
• Adhesive & Sealant Production: Incorporated to enhance the bonding characteristics, cure profile, and durability of industrial adhesives and sealants.
• Fiber & Textile Treatment: Applied to impart water repellency, softness, and durability finishes to textiles and non-woven materials.
• Personal Care Ingredients: Used in the synthesis of silicone derivatives for hair care and skincare products, providing conditioning and emollient properties.

Basic Information

Product Name	Methoxymethylsiloxane, Dimethylsiloxane Copolymer
CAS No.	68440-84-6
Molecular Formula	Contact for details
Molecular Weight	Varies by grade and chain length
Synonyms	Methoxymethyl Polysiloxane; Dimethyl, Methoxymethyl Siloxane Copolymer; Methoxymethyl-Dimethyl Siloxane Copolymer; Siloxanes and Silicones, Me, MeO-Me; Poly(dimethylsiloxane-co-methoxymethylsiloxane); Methyl Methoxymethyl Siloxane-Dimethylsiloxane Copolymer; Reactive Methoxy-Functional Siloxane; CAS 68440-84-6
EINECS	Contact for details

Quality Control

Our Methoxymethylsiloxane, Dimethylsiloxane Copolymer is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistency in composition, viscosity, and functional group content. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. This material is hygroscopic (moisture-sensitive). Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep the container tightly sealed when not in use to prevent moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Methoxy Content)	Contact for details
Viscosity (25°C)	Specified per grade
Specific Gravity (25°C)	Contact for details
Refractive Index (25°C)	Contact for details
Moisture Content	< 0.5% (typical)

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