Description

1,4-Benzenedicarboxylic Acid, Polymer With 2,2'-[1,2-Ethanediylbis(Oxy)]Bis[Ethanol] is a high-performance polyester polyol, also known as a poly(ethylene terephthalate) (PET) oligomer or glycolyzed PET. This specialized polymer is valued for its role as a reactive intermediate and chain extender, offering enhanced mechanical properties and chemical resistance in final formulations. It is essential for manufacturers in the polyurethane, coatings, adhesives, and advanced composite materials industries seeking to modify polymer backbone structures and performance characteristics.

Application

• Polyurethane Elastomers & Foams: Serves as a key polyol component to improve tensile strength, abrasion resistance, and hydrolytic stability in cast elastomers, flexible foams, and rigid insulation foams.
• Coatings & Inks: Used in the synthesis of high-performance polyester resins for industrial coatings, powder coatings, and printing inks, providing excellent adhesion, hardness, and weatherability.
• Adhesives & Sealants: Functions as a building block in hot-melt and reactive adhesive formulations, enhancing bond strength, flexibility, and thermal stability.
• Engineering Plastics & Composites: Acts as a modifier or compatibilizer in polymer blends and fiber-reinforced composites to tailor thermal and mechanical properties.
• Reactive Plasticizers: Utilized to modify the viscosity and processing characteristics of other polymer systems while maintaining reactivity for final curing.
• Chemical Intermediate: Employed in further chemical synthesis to create novel copolymers, cross-linked networks, and specialty polymeric materials.

Basic Information

Product Name	1,4-Benzenedicarboxylic Acid, Polymer With 2,2'-[1,2-Ethanediylbis(Oxy)]Bis[Ethanol]
CAS No.	52002-55-8
Molecular Formula	(C10H8O4 · C6H14O4)n
Molecular Weight	Varies (Polymer)
Synonyms	Poly(ethylene terephthalate) glycol; PET Glycol; Glycolyzed Poly(ethylene terephthalate); Poly(oxy-1,2-ethanediyloxycarbonyl-1,4-phenylenecarbonyl); Terephthalic Acid-Ethylene Glycol-Diethylene Glycol Copolymer; Oligomeric Polyester Diol; Polyester Polyol from PET; Bis(2-hydroxyethyl) terephthalate oligomer
EINECS	Contact for details

Quality Control

Our production of 1,4-Benzenedicarboxylic Acid, Polymer With 2,2'-[1,2-Ethanediylbis(Oxy)]Bis[Ethanol] adheres to stringent quality management protocols. Each batch is characterized for critical parameters including hydroxyl value, acid value, viscosity, and molecular weight distribution to ensure consistency and performance. Certificates of Analysis (COA) documenting these specifications are provided with every shipment. Our quality system is designed to support customer needs in compliant industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive). Keep container tightly sealed when not in use to minimize exposure to atmospheric moisture. Store away from strong oxidizers, acids, and bases.

Specification

Item	Specification
Appearance	White to off-white waxy solid or viscous liquid
Hydroxyl Value (mg KOH/g)	Contact for details
Acid Value (mg KOH/g)	≤ 2.0
Viscosity @ 25°C (cPs)	Contact for details
Water Content (%)	≤ 0.1
Color (Gardner)	≤ 3
Molecular Weight (Mn)	Contact for details

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