Description

2-Propenoic Acid, 2-Methyl-, 2-Hydroxyethyl Ester, Polymer With α-Hydro-ω-Hydroxypoly[ Oxy(Methyl-1,2-Ethanediyl)] And 1,1'-Methylenebis[4-Isocyanatobenzene] CAS NO 39318-69-9 is a specialized polyurethane-acrylic hybrid polymer, engineered to deliver a unique combination of flexibility, chemical resistance, and durability. This advanced copolymer is critical for formulators seeking to enhance the performance characteristics of coatings, adhesives, and sealants. It is primarily utilized by manufacturers in the industrial coatings, specialty adhesives, and advanced material sectors where high-performance, tailored polymer properties are required.

Application

• High-Performance Industrial Coatings: Used as a key resin component in coatings for automotive, aerospace, and metal substrates requiring excellent weatherability, adhesion, and chemical resistance.
• Specialty Adhesives and Sealants: Serves as a base polymer for formulating flexible, durable adhesives and sealants used in construction, automotive assembly, and electronics.
• UV-Curable Systems: Acts as a functional oligomer in radiation-curable coatings and inks, contributing to rapid cure speeds and enhanced film properties.
• Textile and Leather Finishes: Employed in coatings for textiles and synthetic leather to provide a soft hand feel, abrasion resistance, and water repellency.
• Plastic and Composite Coatings: Enhances adhesion and surface protection for plastic parts and composite materials in consumer goods and industrial applications.
• Wood Finishes: Used in high-end furniture and flooring finishes to provide a tough, clear, and flexible protective layer.

Basic Information

Product Name	2-Propenoic Acid, 2-Methyl-, 2-Hydroxyethyl Ester, Polymer With α-Hydro-ω-Hydroxypoly[ Oxy(Methyl-1,2-Ethanediyl)] And 1,1'-Methylenebis[4-Isocyanatobenzene]
CAS No.	39318-69-9
Molecular Formula	(C6H10O3.C3H6O.C14H10N2O2)x
Molecular Weight	Polymer - varies by grade
Synonyms	HEMA-TDI-PEG Copolymer
Poly(HEMA-co-PEG-co-TDI)
2-Hydroxyethyl Methacrylate - Polyethylene Glycol - Toluene Diisocyanate Copolymer
Polyurethane Acrylate Hybrid Resin (PUA)
PEG-TDI-HEMA Terpolymer
Acrylated Polyurethane Prepolymer
Light-sensitive (store away from light)
EINECS	Contact for details

Quality Control

Our production of this advanced copolymer adheres to strict quality management systems, ensuring batch-to-batch consistency for critical formulation parameters. Quality is verified through a suite of analytical techniques including GPC (Gel Permeation Chromatography) for molecular weight distribution, FT-IR for structural confirmation, and titration for residual monomer content. Certificates of Analysis (COA) detailing specifications for viscosity, solids content, color, and acid value are provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 15°C and 25°C (59°F and 77°F). Keep away from heat sources and open flame. Under recommended storage conditions, the product is typically stable for 12 months from the date of manufacture. For specific shelf-life information, please refer to the technical data sheet.

Specification

Item	Specification
Appearance	Clear to slightly hazy viscous liquid
Color (Gardner)	≤ 3
Solids Content	70 - 75 %
Viscosity (25°C)	2000 - 5000 mPa·s
Acid Value	≤ 5.0 mg KOH/g
Hydroxyl Value	Contact for details
Identification (IR)	Conforms
Residual Monomer (GC)	≤ 0.5 %

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