Description

1,3-Benzenedicarboxylic acid, polymer with (chloromethyl)oxirane, 2,2-dimethyl-1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, hexanedioic acid, 1,3-isobenzofurandione and 4,4-(1-methylethylidene)bisphenol is a high-performance, multi-component polymeric resin designed for demanding industrial applications. This specialized copolymer offers a unique balance of thermal stability, chemical resistance, and mechanical properties derived from its complex aromatic and aliphatic composition. It is primarily utilized in the formulation of advanced coatings, adhesives, and composite materials where durability and performance under stress are critical.

Application

• High-Performance Industrial Coatings: Used as a key resin binder in protective coatings for automotive, aerospace, and marine equipment, providing excellent corrosion and chemical resistance.
• Advanced Adhesive Systems: Serves as a base polymer in structural and specialty adhesives, offering strong bonding strength and environmental durability.
• Engineering Plastics and Composites: Incorporated as a modifier or matrix resin in fiber-reinforced plastics (FRP) and composite materials to enhance thermal and mechanical properties.
• Electrical Insulating Varnishes and Encapsulants: Formulated into insulating materials for electronic components due to its good dielectric properties and thermal endurance.
• Powder Coatings: Utilized in thermosetting powder coating formulations that require a combination of weatherability, gloss retention, and hardness.
• Industrial Sealants: Acts as a primary component in sealants designed for high-temperature or chemically aggressive environments.

Basic Information

Product Name	1,3-Benzenedicarboxylic acid, polymer with (chloromethyl)oxirane, 2,2-dimethyl-1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, hexanedioic acid, 1,3-isobenzofurandione and 4,4-(1-methylethylidene)bisphenol
CAS No.	128903-31-1
Molecular Formula	Polymeric substance; Contact for details
Molecular Weight	Polymeric substance; Contact for details
Synonyms	Polymer of isophthalic acid, epichlorohydrin, neopentyl glycol, trimethylolpropane, adipic acid, phthalic anhydride, and bisphenol A; Epoxy-isophthalic acid copolymer; Thermosetting polyester-epoxy hybrid resin; BPA-based epoxy polyester resin; Isophthalic acid-epichlorohydrin copolymer; Crosslinked polyester-epoxy polymer; Coating resin CAS 128903-31-1
EINECS	Contact for details

Quality Control

Our production of this advanced polymeric resin adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as viscosity, epoxy equivalent weight (EEW), acid value, glass transition temperature (Tg), and gel time are rigorously monitored. Certificates of Analysis (COA) detailing these specifications are provided with each shipment. While produced under quality-focused conditions, this product is typically classified as an industrial or technical grade material.

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, sparks, and open flame. This material is hygroscopic (moisture-sensitive); ensure containers are sealed when not in use to prevent moisture absorption which can affect product performance.

Specification

Item	Specification
Appearance	Viscous liquid to solid resin (color may vary)
Identification (IR)	Conforms to structure
Viscosity (at 25°C)	Contact for details
Epoxy Equivalent Weight (EEW)	Contact for details
Acid Value	Contact for details
Non-Volatile Content	Contact for details
Color (Gardner)	Contact for details

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