Description

1,2-Propanediol,2,2-Dimethyl-1,3-Propanediol,2,5-Furandione Polymer is a specialized polymeric material synthesized from neopentyl glycol, propylene glycol, and maleic anhydride. This engineered polymer is valued for its ability to impart unique chemical resistance, thermal stability, and tailored reactivity to final formulations. It serves as a critical performance additive and intermediate for manufacturers in the coatings, adhesives, and advanced resin industries seeking to enhance product durability and functionality.

Application

• Unsaturated Polyester Resins (UPR): A key raw material for producing high-performance, corrosion-resistant polyester resins used in fiberglass-reinforced plastics (FRP) for tanks, pipes, and automotive parts.
• Alkyd Resins & Coatings: Used in the synthesis of alkyd resins to improve hardness, weathering resistance, and drying properties in industrial and protective coatings.
• Adhesives & Sealants: Functions as a polymeric backbone or cross-linking agent to enhance adhesion strength, flexibility, and chemical resistance in structural and specialty adhesive formulations.
• Polymer Modifiers: Employed as a modifier to tailor the properties of other polymers, improving impact resistance, thermal stability, or compatibility in polymer blends.
• Intermediate for Specialty Chemicals: Serves as a reactive intermediate for further chemical synthesis, including the production of esters, polyols, and other functional polymers.

Basic Information

Product Name	1,2-Propanediol,2,2-Dimethyl-1,3-Propanediol,2,5-Furandione Polymer
CAS No.	51838-29-0
Molecular Formula	(C5H12O2·C3H8O2·C4H2O3)x
Molecular Weight	Polymer - Variable
Synonyms	Neopentyl Glycol-Propylene Glycol-Maleic Anhydride Copolymer; Poly(neopentyl glycol-co-propylene glycol-co-maleic anhydride); NPG-PG-MA Polymer; Maleic Anhydride Copolymer with Neopentyl Glycol and Propylene Glycol; 2,2-Dimethyl-1,3-propanediol, polymer with 1,2-propanediol and 2,5-furandione; Polyester Polyol based on NPG, PG, and MA; Unsaturated Polyester Prepolymer
EINECS	Contact for details

Quality Control

Our production of 1,2-Propanediol,2,2-Dimethyl-1,3-Propanediol,2,5-Furandione Polymer adheres to strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistent properties such as acid value, hydroxyl value, viscosity, and molecular weight distribution. Certificates of Analysis (COA) documenting full 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, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials such as strong bases and oxidizing agents. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Viscous liquid to solid
Color (Gardner)	≤ 3
Acid Value (mg KOH/g)	10 - 50
Hydroxyl Value (mg KOH/g)	50 - 200
Viscosity @ 25°C (cPs)	500 - 5000
Solid Content (%)	60 - 100
Identification (IR)	Conforms

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