Description

1,4-Benzenedicarboxylic Acid, Polymer With 2,2-Dimethyl-1,3-Propanediol, 1,2-Ethanediol And 1,2,3-Propanetriol CAS NO 42768-15-0 is a high-performance, branched polyester polyol resin. This specialized polymer is engineered to deliver exceptional durability, flexibility, and chemical resistance in demanding industrial formulations. It is a critical raw material for manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries seeking to enhance product performance and longevity.

Application

• High-Performance Polyurethane Coatings: Used as a key polyol component in two-component (2K) polyurethane systems for industrial, automotive, and marine coatings, providing excellent weatherability, gloss retention, and chemical resistance.
• Elastomers and Sealants: Serves as a building block for flexible and resilient polyurethane elastomers, gaskets, and sealants used in construction and automotive applications.
• Adhesives and Binders: Incorporated into structural and laminating adhesives to improve bond strength, flexibility, and environmental stability.
• Resin Modifier: Acts as a modifier in alkyd and other polyester resin formulations to enhance specific properties like hardness, drying time, or compatibility.
• Industrial and Maintenance Paints: Formulated into protective coatings for metal, concrete, and other substrates requiring robust protection against corrosion and abrasion.

Basic Information

Product Name	1,4-Benzenedicarboxylic Acid, Polymer With 2,2-Dimethyl-1,3-Propanediol, 1,2-Ethanediol And 1,2,3-Propanetriol
CAS No.	42768-15-0
Molecular Formula	(C8H6O4·C5H12O2·C2H6O2·C3H8O3)n
Molecular Weight	Polymer - Contact for details
Synonyms	Poly(neopentyl glycol-co-ethylene glycol-co-glycerol terephthalate); Terephthalic Acid Polymer with Neopentyl Glycol, Ethylene Glycol, and Glycerol; Branched Polyester Polyol; Polyester Polyol Resin; Terephthalate-based Polyol; CAS 42768-15-0; Poly(ethylene glycol-co-neopentyl glycol-co-glycerol terephthalate)
EINECS	Contact for details

Quality Control

Our production of this polyester polyol adheres to strict quality management protocols 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 to support your quality assurance processes.

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/59-77°F). This product is hygroscopic (moisture-sensitive). Keep container tightly sealed when not in use to prevent moisture absorption, which can affect product performance. Keep away from heat sources and open flame.

Specification

Item	Specification
Appearance	Clear, viscous liquid to pale solid
Hydroxyl Value (mg KOH/g)	Contact for details
Acid Value (mg KOH/g)	≤ 2.0
Viscosity (at 25°C)	Contact for details
Color (Gardner)	≤ 3
Water Content	≤ 0.1%

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