Description

Dodecanedioic acid, polymer with 1,6-diisocyanato-2,2,4-trimethylhexane, 1,6-diisocyanato-2,4,4-trimethylhexane, 2,2-dimethyl-1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and nonanedioic acid is a high-performance, aliphatic polyester-polyurethane resin designed for demanding applications. This specialized polymer offers an exceptional balance of flexibility, chemical resistance, and durability, making it a critical component in advanced material formulations. It is primarily sought by manufacturers in the coatings, adhesives, and specialty elastomers industries for creating products that require long-term stability and performance under stress.

Application

• High-Performance Coatings: Used as a key resin in automotive clear coats, industrial maintenance paints, and coil coatings for superior weatherability, gloss retention, and chemical resistance.
• Specialty Adhesives & Sealants: Serves as a base polymer for flexible, high-strength adhesives and sealants used in construction, automotive assembly, and aerospace applications.
• Elastomers and Thermoplastic Polyurethanes (TPU): A vital component in the synthesis of durable elastomers for gaskets, hoses, wheels, and impact-resistant parts.
• Industrial Fiber Coatings: Applied as a protective and functional coating for synthetic fibers and textiles to enhance durability, water repellency, and feel.
• Printing Inks: Utilized in the formulation of high-quality, flexible inks for packaging and specialty printing that demand excellent adhesion and rub resistance.
• Composite Materials: Acts as a matrix resin or modifier in composite systems to improve interfacial adhesion and toughness.

Basic Information

Item	Details
Product Name	Dodecanedioic acid, polymer with 1,6-diisocyanato-2,2,4-trimethylhexane, 1,6-diisocyanato-2,4,4-trimethylhexane, 2,2-dimethyl-1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and nonanedioic acid
CAS No.	114615-84-8
Molecular Formula	Polymeric substance; contact for details
Molecular Weight	Polymeric substance; contact for details
Synonyms	Aliphatic Polyester-Polyurethane Resin; Polyurethane resin based on dodecanedioic acid, trimethylhexane diisocyanate, neopentyl glycol, trimethylolpropane, and azelaic acid; TMI-based Polyurethane Polymer; Poly(ester-urethane) from DDDA, TMI, NPG, TMP, and Azelaic Acid; PU Resin CAS 114615-84-8; Light-stable Aliphatic PU Resin; Weatherable Polyurethane Polymer
EINECS	Contact for details

Quality Control

Our production of this aliphatic polyester-polyurethane resin adheres to stringent quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as viscosity, hydroxyl value, acid value, and color are rigorously monitored. Certificates of Analysis (COA) documenting full specifications are provided with every shipment. We support compliance with relevant global regulatory frameworks, including REACH.

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, open flames, and incompatible materials such as strong acids, bases, and oxidizing agents. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid or solid
Solid Content	Contact for details
Viscosity (at 25°C)	Contact for details
Hydroxyl Value (mg KOH/g)	Contact for details
Acid Value (mg KOH/g)	≤ 2.0
Color (Gardner)	≤ 3
Identification (IR)	Conforms to standard

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