TEGDA {triethylene glycol diacetate, >99.0%} as Crosslinking Monomer for Gel Polymer Electrolyte, 50-200 g/bottle, CGPECMTEGDA

Triethylene glycol diacetate (TEGDA)—frequently studied in advanced energy storage research as a key component in specialized Gel Polymer Electrolytes (GPEs) and interpenetrating polymer network (IPN) systems—combines a flexible oligo(ethylene glycol) core with polar ester functionalities. When integrated into advanced lithium and sodium battery configurations, TEGDA-based systems provide a unique balance of high ionic conductivity, robust liquid electrolyte retention, and excellent interfacial stability.

The main functional roles of TEGDA in GPEs are: (1) Interpenetrating Polymer Network (IPN) Formation: TEGDA is frequently copolymerized or blended with active co-monomers (such as acrylic acid esters or blended with polymer backbones like polyacrylonitrile [PAN]) to form robust IPN architectures. This locks liquid carbonate electrolytes into a dimensionally stable, quasi-solid matrix that entirely eliminates free-flowing leakage. (2) High Ionic Conductivity via Segmental Mobility: Because the triethylene glycol chains possess high conformational freedom, they prevent the polymer matrix from crystallizing. This maintains rapid ion-hopping pathways, allowing room-temperature ionic conductivities to routinely exceed 10^{-3} S/cm. (3) Enhanced Interfacial Wetting and Adhesion: The polar ester and ether groups promote strong wetting of porous separator frameworks (such as glass fiber or polyolefin meshes) and microstructured electrodes, minimizing interfacial resistance and suppressing local polarization during high-rate cycling.

Part Number	CGPECMTEGDA (C-GPE-CM-TEGDA)
CAS	111-21-7
Chemical Formula	C10H18O6
Appearance	Colorless to light-yellow clear liquid
Purity	>99.0%
Molecular Weight	234.25 g/mol
Density	~1.12 g/mL
Boling Point	~286°C to 300°C
Flash Point	174°C
Package Size	50 g, 100 g, and 200 g/bottle

Notes: Please try to store the TEGDA monomer in a dry and cold/dark place (<15°C).  

References: 

1. H. Fan, et al. Preparation and electrochemical properties of gel polymer electrolytes using triethylene glycol diacetate-2-propenoic acid butyl ester copolymer for high energy density lithium-ion batteries, Journal of Power Sources, 2014, 249,392-396
2. J. Qu, et al. In Situ-Formed Adhesive Gel Polymer Electrolyte for Stabilizing High-Curvature Interfaces in Fiber Lithium-Ion Batteries, Small, DOI: 10.1002/smll.75913