Description

Poly(Oxy-1,2-Ethanediyl), .Alpha.,.Alpha.-(2,2-Dimethyl-1,3-Propanediyl)Bis.Omega.-(1-Oxo-2-Propenyl)Oxy- is a specialized, high-purity macromolecular crosslinking agent featuring terminal acrylate groups. This compound is engineered to provide exceptional reactivity and controlled crosslinking density in polymer formulations, enabling the creation of robust, tailored networks. It is essential for industries requiring advanced materials with specific mechanical, thermal, or chemical resistance properties, such as high-performance coatings, adhesives, and specialty resins.

Application

• UV-Curable Coatings & Inks: Acts as a key difunctional monomer to enhance crosslinking, improving film hardness, chemical resistance, and durability.
• Advanced Adhesives & Sealants: Used to formulate high-strength, flexible, and weather-resistant structural and pressure-sensitive adhesives.
• Specialty Polymer Synthesis: Serves as a macromolecular crosslinker or chain extender in the production of polyurethanes, polyesters, and acrylic resins.
• Dental & Biomedical Materials: Employed in light-curable composites and restorative materials due to its biocompatible PEG-based backbone and reactive termini.
• Electronics Encapsulation: Used in potting compounds and conformal coatings to protect sensitive components, offering good adhesion and environmental stability.
• 3D Printing Resins: A valuable component in stereolithography (SLA) and digital light processing (DLP) resins, contributing to precise curing and desired material properties.

Basic Information

Product Name	Poly(Oxy-1,2-Ethanediyl), .Alpha.,.Alpha.-(2,2-Dimethyl-1,3-Propanediyl)Bis.Omega.-(1-Oxo-2-Propenyl)Oxy-
CAS No.	84170-28-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details (Grade Dependent)
Synonyms	Polyethylene glycol (PEG) diacrylate, neopentyl glycol ethoxylate diacrylate; Bifunctional PEG acrylate; PEGDA (specific grades); α,α'-Bis(2-acryloyloxyethoxy)-2,2-dimethylpropane; Neopentyl glycol ethoxylate (1 EO/OH) diacrylate; Acrylated PEG; 2,2-Dimethyl-1,3-propanediyl bis[ω-(1-oxo-2-propenyl)oxy]poly(oxy-1,2-ethanediyl) ether
EINECS	Contact for details

Quality Control

Our Poly(Oxy-1,2-Ethanediyl), .Alpha.,.Alpha.-(2,2-Dimethyl-1,3-Propanediyl)Bis.Omega.-(1-Oxo-2-Propenyl)Oxy- is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity, functionality, and performance. Key parameters monitored include acrylate equivalent weight, residual monomer content, color, and viscosity. Certificates of Analysis (COA) detailing these specifications are provided with every shipment to guarantee compliance with your formulation requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 15-25°C (59-77°F). This product is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). For long-term storage, it is recommended to blanket the container with an inert gas such as nitrogen or argon and avoid exposure to heat and moisture.

Specification

Item	Specification
Appearance	Clear, Colorless to Pale Yellow Liquid
Identification (IR)	Conforms to Structure
Assay (Acrylate Content)	≥ 95.0%
Color (APHA)	≤ 100
Viscosity @ 25°C	Contact for details
Water Content (KF)	≤ 0.5%
Residual Inhibitor (MEHQ)	200 - 500 ppm

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