Description

1,3-Benzenedicarboxylic Acid, 1,3-Dimethyl Ester, Polymer With 1,4-Butanediol, 1,4-Dimethyl 1,4-Benzenedicarboxylate, 2-Methyloxirane And Oxirane CAS NO 64811-38-7 is a high-performance, multi-component polymer designed for advanced material applications. This engineered copolymer is valued for its ability to impart specific mechanical, thermal, and chemical resistance properties to final products. It is essential for manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as for producers of specialty resins and functional polymers requiring tailored performance characteristics.

Application

• High-Performance Coatings: Used as a key resin component in industrial, automotive, and protective coatings to enhance durability, chemical resistance, and weatherability.
• Advanced Adhesives & Sealants: Serves as a polymeric backbone in formulations requiring strong bonding, flexibility, and resistance to environmental stress.
• Specialty Elastomers: Incorporated into polymer systems to modify elasticity, tensile strength, and thermal stability for demanding mechanical applications.
• Engineering Plastics & Composites: Acts as a modifier or compatibilizer to improve the impact resistance and processing characteristics of composite materials.
• Polymer Modification: Utilized as an additive to tailor the properties of base polymers, such as polyesters or epoxies, for specific end-use requirements.
• Encapsulation & Potting Compounds: Employed in electronic and electrical applications where consistent performance and environmental protection are critical.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, 1,3-Dimethyl Ester, Polymer With 1,4-Butanediol, 1,4-Dimethyl 1,4-Benzenedicarrboxylate, 2-Methyloxirane And Oxirane
CAS No.	64811-38-7
Molecular Formula	Contact for details
Molecular Weight	Polymeric substance - Contact for details
Synonyms	Poly(1,4-butylene terephthalate-co-isophthalate-co-ethylene oxide-co-propylene oxide); Polyester-polyether copolymer; PBT-PET-PEO-PPO copolymer; Terephthalic acid, dimethyl ester, polymer with isophthalic acid, dimethyl ester, 1,4-butanediol, ethylene oxide and propylene oxide; Butanediol, polymer with dimethyl isophthalate, dimethyl terephthalate, oxirane and methyloxirane; CAS 64811-38-7
EINECS	Contact for details

Quality Control

Our production of this specialty copolymer adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as molecular weight distribution, composition, viscosity, and thermal properties are rigorously monitored. Certificates of Analysis (COA) detailing all relevant specifications are provided with each shipment to support your quality assurance protocols.

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 sources of heat and ignition. For long-term storage, consider an inert atmosphere to maintain polymer stability.

Specification

Item	Specification
Appearance	Pellets, Chips, or Powder
Color	Colorless to Pale Yellow
Inherent Viscosity	Contact for details
Glass Transition Temperature (Tg)	Contact for details
Melting Point (Tm)	Contact for details
Acid Value	≤ 2.0 mg KOH/g
Moisture Content	≤ 0.5 %
Composition (by NMR)	Confirmed

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