Description

1,3-Benzenedicarboxylic acid polymer with 1,4-benzenedicarboxylic acid, 1,3-diisocyanatomethylbenzene, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, α,α'-[(1-methylethylidene)di-4,1-phenylene]bis[ω-hydroxypoly[oxy(methyl-1,2-ethanediyl)]], benzoate is a high-performance, segmented copolymer designed to deliver exceptional mechanical properties and chemical resistance. This advanced material is engineered to provide a unique balance of flexibility, durability, and thermal stability, making it a critical component in demanding industrial applications. It is primarily sought after by manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as for specialized polymer modification and composite materials.

Application

• High-Performance Coatings: Used as a resin in industrial and protective coatings requiring excellent weatherability, abrasion resistance, and adhesion to various substrates.
• Advanced Adhesives & Sealants: Serves as a key polymer backbone in formulations for structural adhesives, potting compounds, and flexible sealants.
• Engineering Elastomers: A vital component in the production of thermoplastic polyurethanes (TPU) and other elastomeric materials for automotive parts, industrial belts, and consumer goods.
• Polymer Modification: Employed as an additive or compatibilizer to enhance the toughness, flexibility, and impact resistance of other polymer systems like polyesters and epoxies.
• Composite Materials: Used in the matrix of fiber-reinforced composites for applications demanding a combination of strength and resilience.
• Specialty Films & Membranes: Suitable for creating durable, flexible films with barrier properties for technical and packaging applications.

Basic Information

Product Name	1,3-Benzenedicarboxylic acid polymer with 1,4-benzenedicarboxylic acid, 1,3-diisocyanatomethylbenzene, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, α,α'-[(1-methylethylidene)di-4,1-phenylene]bis[ω-hydroxypoly[oxy(methyl-1,2-ethanediyl)]], benzoate
CAS No.	194944-10-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Polyester-polyurethane block copolymer; Segmented poly(ester urethane); Isophthalic acid-terephthalic acid copolymer with polyol and diisocyanate; TPU copolymer resin; Aromatic polyester-based polyurethane; Polymer of isophthalic acid, terephthalic acid, and TMP-modified MDI; Poly(ester-urethane) based on isophthalate/terephthalate; Block copolymer containing polyether and polyester segments.
EINECS	Contact for details

Quality Control

Our production of this advanced polymer adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Each lot is characterized for critical parameters including molecular weight distribution, hydroxyl value, acid value, and thermal properties. A comprehensive Certificate of Analysis (COA) detailing these specifications is provided with every shipment. We support compliance with relevant global regulatory frameworks for industrial chemicals.

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). This material is hygroscopic (moisture-sensitive). Keep away from strong acids, bases, and oxidizing agents to prevent degradation.

Specification

Item	Specification
Appearance	Pellets or granules, color as specified
Identification (IR)	Conforms to structure
Inherent Viscosity	Contact for details
Hydroxyl Value (mg KOH/g)	Contact for details
Acid Value (mg KOH/g)	≤ 2.0
Moisture Content	≤ 0.1%
Glass Transition Temperature (Tg)	Contact for details
Melting Point / Softening Point	Contact for details

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