Description

Poly(3-Methyl-1,5-Pentanediol Adipate) is a high-performance, linear polyester diol derived from 3-methyl-1,5-pentanediol and adipic acid. This specialty polyol is valued for its excellent flexibility, low-temperature properties, and hydrolytic stability, making it a critical building block for advanced polymer formulations. It is primarily sought by manufacturers in the polyurethane, adhesive, sealant, and specialty coating industries to enhance product durability and performance.

Application

• Polyurethane Elastomers & Thermoplastics (TPU): Serves as a key soft segment component, imparting superior elasticity, abrasion resistance, and low-temperature flexibility to finished products.
• Adhesives & Sealants: Used in the synthesis of moisture-curing and hot-melt polyurethane adhesives, contributing to strong bonding, flexibility, and long-term durability.
• High-Performance Coatings: Incorporated into polyurethane coatings for textiles, plastics, and metals to improve toughness, chemical resistance, and weatherability.
• Synthetic Leather & Artificial Leather Finishes: Provides the necessary softness, flexibility, and feel in polyurethane formulations for synthetic leather applications.
• Resilient Foams: Used in the production of microcellular and integral skin foams where a balance of softness and mechanical strength is required.
• Compatibilizer & Plasticizer: Acts as a polymeric plasticizer and compatibilizer in various polymer blends to improve processing and material properties.

Basic Information

Product Name	Poly(3-Methyl-1,5-Pentanediol Adipate)
CAS No.	39751-34-3
Molecular Formula	(C10H16O4)n
Molecular Weight	Varies by grade (typically 500-5000 g/mol)
Synonyms	Poly(3-methyl-1,5-pentylene adipate); Poly(3-methylpentamethylene adipate); Poly(MPA); 3-Methyl-1,5-pentanediol adipate polyester; Adipic acid, polymer with 3-methyl-1,5-pentanediol; Polyester polyol from 3-methyl-1,5-pentanediol and adipic acid; Poly(3-methylpentanediol adipate)
EINECS	Contact for details

Quality Control

Our Poly(3-Methyl-1,5-Pentanediol Adipate) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure consistent hydroxyl value, acid value, viscosity, and moisture content, meeting the precise requirements of downstream polymer synthesis. Certificates of Analysis (COA) detailing all relevant specifications are provided with every shipment.

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 product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Hydroxyl Value (mg KOH/g)	Contact for details
Acid Value (mg KOH/g)	≤ 1.0
Moisture Content (%)	≤ 0.05
Viscosity @ 25°C (mPa·s)	Contact for details
Color (APHA)	≤ 100

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