Description

1,3-Benzenedicarboxylic Acid, Polymer With 1,4-Benzenedicarboxylic Acid, 2,2-Dimethyl-1,3-Propanediol, Hexanedioic Acid And 1,2,3-Propanetriol is a high-performance, branched polyester polyol resin designed for demanding industrial applications. This specialized copolymer offers a unique balance of properties derived from its multi-component structure, including isophthalic acid, terephthalic acid, neopentyl glycol, adipic acid, and glycerol. It is essential for formulators seeking to enhance the durability, chemical resistance, and mechanical strength of their final products. Key industries that rely on this advanced polymer include coatings, adhesives, and specialty plasticizers.

Application

• High-Performance Coatings: Serves as a critical resin component in industrial, automotive, and coil coatings, providing excellent weatherability, hardness, and chemical resistance.
• Adhesives and Sealants: Used to formulate structural and flexible adhesives where strong bonding, thermal stability, and durability are required.
• Plasticizers and Modifiers: Acts as a polymeric plasticizer or modifier in PVC and other polymer systems to improve flexibility and longevity without migration.
• Inks and Overprint Varnishes: Imparts gloss, adhesion, and rub resistance in packaging and printing ink formulations.
• Fiber Reinforced Plastics (FRP): Utilized as a resin matrix in composites for marine, transportation, and construction applications.
• Elastomers and Urethanes: Functions as a polyol component in the synthesis of polyurethane elastomers, foams, and castable resins.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, Polymer With 1,4-Benzenedicarboxylic Acid, 2,2-Dimethyl-1,3-Propanediol, Hexanedioic Acid And 1,2,3-Propanetriol
CAS No.	190596-20-4
Molecular Formula	(C8H6O4 · C8H6O4 · C5H12O2 · C6H10O4 · C3H8O3)n
Molecular Weight	Polymer - Contact for details
Synonyms	Poly(isophthalic acid-co-terephthalic acid-co-neopentyl glycol-co-adipic acid-co-glycerol); Isophthalic Acid/Terephthalic Acid/Neopentyl Glycol/Adipic Acid/Glycerol Copolymer; Branched Polyester Polyol from IPA/TPA/NPG/AA/GLY; Polyester Polyol Resin (IPA/TPA/NPG/AA/GLY); Copolymer of Isophthalic Acid, Terephthalic Acid, Neopentyl Glycol, Adipic Acid and Glycerin; Alkyd Resin Modifier (NPG/Adipate type); 190596-20-4
EINECS	Contact for details

Quality Control

Our production of this polyester polyol adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as hydroxyl value, acid value, viscosity, and color are rigorously monitored. Certificates of Analysis (COA) detailing these specifications are provided with every shipment. We support compliance with relevant global standards for industrial chemicals, including REACH registration.

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 heat sources and open flames. Under recommended storage conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Viscous liquid to solid resin
Color (Gardner)	≤ 3
Hydroxyl Value (mg KOH/g)	Contact for details
Acid Value (mg KOH/g)	≤ 5.0
Viscosity (at 25°C, cP)	Contact for details
Solid Content (%)	Contact for details
Glass Transition Temp (Tg)	Contact for details

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