Description

Poly(Tetrafluoroethylene Oxide-Co-Difluoromethylene Oxide) Alpha,ω-Bis(Methyl Carboxylate) is a high-performance fluorinated polyether derivative, distinguished by its unique perfluorinated backbone terminated with reactive methyl ester groups. This molecular architecture provides exceptional chemical inertness, thermal stability, and low surface energy, making it a critical intermediate for advanced material synthesis. It is essential for R&D and production teams in the specialty polymers, advanced lubricants, and high-performance coatings industries seeking to enhance product durability and performance under extreme conditions.

Application

• Advanced Polymer Synthesis: Serves as a key monomer or macromonomer for creating high-performance fluorinated polyethers, polyurethanes, and block copolymers.
• Specialty Lubricants & Greases: Used as a base fluid or additive in formulations requiring extreme pressure resistance, wide temperature range operation, and compatibility with aggressive chemicals.
• High-Performance Coatings & Surface Modifiers: Imparts hydrophobic, oleophobic, and low-friction properties to surfaces for applications in aerospace, automotive, and electronics.
• Pharmaceutical & Agrochemical Intermediates: Utilized in the synthesis of fluorinated active pharmaceutical ingredients (APIs) or agrochemicals where enhanced metabolic stability and bioavailability are required.
• Sealants and Elastomers: Incorporated into formulations for O-rings, gaskets, and seals that must withstand harsh chemical environments and extreme temperatures.
• Electronics and Semiconductor Industry: Potential use in dielectric fluids, heat transfer media, or as a component in photoresist formulations.

Basic Information

Product Name	Poly(Tetrafluoroethylene Oxide-Co-Difluoromethylene Oxide) Alpha,ω-Bis(Methyl Carboxylate)
CAS No.	107852-49-3
Molecular Formula	CnF2nOm(C3H4O2)2 (Variable n, m)
Molecular Weight	Variable (Contact for details)
Synonyms	Perfluoropolyether α,ω-bis(methyl carboxylate); PFPE-diester; Poly(hexafluoropropylene oxide) α,ω-di(methyl carboxylate) derivative; Fluorinated polyether diacid methyl ester; Krytox® precursor derivative; Fomblin® Z-type diacid ester; Poly(TFE/PMVE) di-methyl ester; Methyl ester-terminated perfluoropolyether
EINECS	Contact for details

Quality Control

Our Poly(Tetrafluoroethylene Oxide-Co-Difluoromethylene Oxide) Alpha,ω-Bis(Methyl Carboxylate) is manufactured under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure consistency in molecular weight distribution, functional group content, and purity. Certificates of Analysis (COA) detailing key specifications such as acid number, ester content, and viscosity 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). The product is moisture-sensitive; keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis of the ester termini. Isolate from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to reference spectrum
Acid Number (mg KOH/g)	< 1.0
Ester Content (Titration)	> 95%
Average Molecular Weight (GPC)	As per customer grade requirement
Water Content (KF)	< 0.1%
Viscosity @ 20°C	Contact for details

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