Description

1,3-Benzenedicarboxylic Acid, Polymer With 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol, 1,6-Hexanediol, 1,1-Methylenebis4-Isocyanatocyclohexane And 2-Oxepanone CAS NO 123171-66-4 is a high-performance, multi-component polymer designed for advanced material applications. This engineered copolymer offers a unique balance of properties derived from its aromatic, aliphatic, and polyol constituents, making it a versatile building block for demanding industrial formulations. It is primarily sought by manufacturers in the coatings, adhesives, and specialty plastics sectors who require materials with enhanced durability, chemical resistance, and tailored mechanical performance.

Application

• High-Performance Coatings: Used as a resin component in industrial, automotive, and marine coatings for superior weatherability, gloss retention, and chemical resistance.
• Advanced Adhesives & Sealants: Serves as a key polymer backbone in structural adhesives, potting compounds, and flexible sealants requiring strong bonding and environmental stability.
• Specialty Elastomers and Urethane Systems: Acts as a polyol or chain extender in the synthesis of polyurethane elastomers, foams, and thermoplastic polyurethanes (TPU) for enhanced toughness.
• Engineering Plastics & Composites: Incorporated as a modifier or compatibilizer in polymer blends and composite materials to improve impact strength, thermal properties, and processability.
• UV-Curable Resins: Suitable for formulations in inks, overprint varnishes, and 3D printing resins where fast curing and high crosslink density are critical.
• Fiber Reinforcements and Binders: Utilized in the production of non-woven fabrics, fiberglass, and carbon fiber composites as a polymeric binder or sizing agent.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, Polymer With 2-Ethyl-2-(Hydroxymethyl)-1,3-Propanediol, 1,6-Hexanediol, 1,1-Methylenebis4-Isocyanatocyclohexane And 2-Oxepanone
CAS No.	123171-66-4
Molecular Formula	Polymeric Substance (Contact for details)
Molecular Weight	Varies by grade and polymerization degree
Synonyms	Isophthalic Acid, polymer with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, 1,6-hexanediol, 1,1'-methylenebis[4-isocyanatocyclohexane] and ε-caprolactone; Polyester-polyurethane copolymer based on isophthalic acid; TMP/HDI/Isophthalic Acid/Caprolactone Copolymer; Aliphatic-aromatic polyester urethane resin; Multi-block copolymer of isophthalic acid, TMP, HDO, H12MDI, and caprolactone; H12MDI-based polyester urethane polyol; Modified polyester polyol for coatings.
EINECS	Contact for details

Quality Control

Every batch of our polymer is manufactured under a strict quality management system and undergoes comprehensive analytical testing to ensure consistent performance. Key parameters such as hydroxyl value, acid value, viscosity, molecular weight distribution, and color are rigorously monitored. A Certificate of Analysis (COA) detailing these specifications is provided with each shipment to guarantee compliance with your formulation requirements and industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 15°C and 25°C (59°F and 77°F). This product is moisture-sensitive (hygroscopic); keep the original container tightly sealed when not in use to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	Viscous liquid to solid (color varies by grade)
Hydroxyl Value (mg KOH/g)	Contact for details
Acid Value (mg KOH/g)	≤ 2.0
Viscosity (at 25°C, mPa·s)	Contact for details
Color (Gardner)	≤ 3
Moisture Content (Karl Fischer, %)	≤ 0.1
Identification (IR)	Conforms to structure

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