Description

1,4-Benzenedicarboxylic Acid, Polymer With Decanedioic Acid And 1,2-Ethanediol is a high-performance copolyester resin, commonly known as a modified PET or PETG-type polymer. This engineered material is valued for its enhanced chemical resistance, thermal stability, and excellent mechanical properties, making it a versatile base for demanding applications. It is primarily sought by manufacturers in the packaging, specialty films, engineering plastics, and industrial coating sectors seeking to improve product durability and performance.

Application

• High-Barrier Packaging Films: Used to produce films with superior gas and moisture barrier properties for food and pharmaceutical packaging.
• Engineering Thermoplastics: Serves as a key component in compounded resins for automotive parts, electrical components, and industrial housings requiring toughness and dimensional stability.
• Specialty Adhesives and Coatings: Imparts chemical resistance and adhesion in high-performance industrial coatings, can coatings, and adhesive formulations.
• Bottle and Container Resins: Modified for use in blow-molded containers that require clarity, impact strength, and resistance to oils and chemicals.
• Filaments for 3D Printing: Utilized in producing technical filaments where layer adhesion, strength, and thermal properties are critical.
• Thermoplastic Elastomers (TPE): Acts as a hard segment in copolymer systems to create materials with a balance of flexibility and strength.

Basic Information

Product Name	1,4-Benzenedicarboxylic Acid, Polymer With Decanedioic Acid And 1,2-Ethanediol
CAS No.	25067-21-4
Molecular Formula	(C10H8O4 • C10H18O4 • C2H6O2)x
Molecular Weight	Polymer - varies by grade
Synonyms	Poly(ethylene terephthalate-co-ethylene sebacate); PET-co-PES; Poly(oxy-1,2-ethanediyloxycarbonyl-1,4-phenylenecarbonyl-co-oxy-1,2-ethanediyloxycarbonyl-1,8-octanediylcarbonyl); Terephthalic Acid-Sebacic Acid-Ethylene Glycol Copolymer; Ethylene Glycol/Terephthalic Acid/Sebacic Acid Copolymer; Modified PET Copolyester; Poly(ethylene terephthalate/sebacate); Glycol-modified PETG copolymer with sebacate
EINECS	Contact for details

Quality Control

Our copolyester products are manufactured under a strict quality management system. Each batch undergoes comprehensive analysis to ensure consistent intrinsic viscosity (IV), thermal properties (DSC), and compositional homogeneity. Certificates of Analysis (COA) detailing key parameters such as acid value, color, and melting point are available upon request. We can tailor production to meet specific customer requirements and relevant industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and excessive heat sources to prevent degradation of polymer properties. For long-term storage, a nitrogen blanket is recommended to maintain product quality.

Specification

Item	Specification
Appearance	White to off-white pellets or powder
Intrinsic Viscosity (IV)	0.50 - 1.20 dL/g (Grade dependent)
Melting Point (DSC)	180 - 250 °C
Acid Value	≤ 3.0 mg KOH/g
Color (L* value)	≥ 80
Moisture Content	≤ 0.5 %
Glass Transition Temp (Tg)	50 - 80 °C

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