Description

Poly(Neopentyl Glycol Sebacate) is a high-performance, synthetic polyester polyol derived from neopentyl glycol and sebacic acid, offering exceptional hydrolytic stability and resistance to degradation. This compound is valued for its role as a key intermediate in producing durable, high-quality polyurethane resins, coatings, and plasticizers. It is essential for manufacturers in the coatings, adhesives, sealants, elastomers (CASE), and specialty polymer industries seeking to enhance product longevity and performance under demanding conditions.

Application

• Polyurethane Resins & Elastomers: Serves as a critical polyol component for producing flexible and rigid foams, cast elastomers, and thermoplastic polyurethanes (TPU) with excellent weatherability.
• High-Performance Coatings: Used in the formulation of alkyd resins for industrial, marine, and automotive coatings that require superior gloss retention, flexibility, and chemical resistance.
• Plasticizers & Stabilizers: Acts as a polymeric plasticizer for PVC and other polymers, providing low volatility, migration resistance, and enhanced low-temperature flexibility.
• Adhesives & Sealants: A building block for polyurethane-based adhesives and sealants, contributing to strong bonding, elasticity, and durability.
• Lubricants & Functional Fluids: Employed in the synthesis of synthetic ester-based lubricants and compressor fluids known for thermal stability.
• Pharmaceutical & Cosmetic Intermediates: Used in controlled-release drug delivery systems and as an emollient or viscosity modifier in cosmetic formulations.

Basic Information

Product Name	Poly(Neopentyl Glycol Sebacate)
CAS No.	28759-54-8
Molecular Formula	(C14H26O4)n
Molecular Weight	~500-3000 g/mol (Polymer, variable)
Synonyms	Neopentyl Glycol Sebacate Polyester; Poly(neopentylglycol sebacate); Sebacic Acid Polymer with 2,2-Dimethyl-1,3-Propanediol; Poly(NPG Sebacate); NPG-Sebacate Polyester; Polyester Polyol from NPG and Sebacic Acid; 2,2-Dimethyl-1,3-propanediol, polymer with sebacic acid; Poly(2,2-dimethyl-1,3-propanediol sebacate)
EINECS	Contact for details

Quality Control

Our Poly(Neopentyl Glycol Sebacate) is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure consistent properties such as hydroxyl value, acid value, viscosity, and molecular weight distribution. Certificates of Analysis (COA) documenting these specifications are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong alkalis and organic solvents. Under these conditions, the product has excellent shelf stability.

Specification

Item	Specification
Appearance	Clear, viscous liquid to waxy solid
Color (Gardner)	≤ 2
Hydroxyl Value (mg KOH/g)	55 - 120
Acid Value (mg KOH/g)	≤ 2.0
Viscosity @ 25°C (cP)	500 - 5000
Water Content (KF)	≤ 0.1%

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