Description

Propanoic acid, 3-hydroxy-2-(hydroxymethyl)-2-methyl-, polymer with 2,2-dimethyl-1,3-propanediol, diphenyl carbonate, 1,6-hexanediol, 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane and 1,1-methylenebis4-isocyanatocyclohexane, polyethylene-po is a specialized, high-performance polycarbonate-polyurethane hybrid polymer. This engineered material is designed to deliver an exceptional balance of durability, chemical resistance, and processability for demanding industrial applications. It is a critical component for manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) sectors, as well as advanced material science, who require reliable performance under challenging conditions.

Application

• High-Performance Industrial Coatings: Used as a key resin in formulations for protective coatings requiring excellent abrasion resistance, chemical stability, and weatherability.
• Specialty Adhesives and Sealants: Serves as a base polymer for structural adhesives and sealants that must maintain integrity when exposed to oils, solvents, and mechanical stress.
• Engineered Elastomers and Thermoplastic Polyurethanes (TPU): Imparts enhanced mechanical properties, such as toughness and flexibility, in molded or extruded technical parts.
• Composite Materials: Acts as a matrix or binder in fiber-reinforced composites for automotive, aerospace, and industrial components.
• Wire and Cable Insulation: Formulated into jacketing materials that offer superior protection against environmental factors and chemical exposure.
• Industrial Rollers and Gaskets: Used in the production of durable rollers, gaskets, and other wear-resistant parts for machinery.

Basic Information

Item	Details
Product Name	Propanoic acid, 3-hydroxy-2-(hydroxymethyl)-2-methyl-, polymer with 2,2-dimethyl-1,3-propanediol, diphenyl carbonate, 1,6-hexanediol, 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane and 1,1-methylenebis4-isocyanatocyclohexane, polyethylene-po
CAS No.	148878-27-7
Molecular Formula	Polymeric substance - Contact for details
Molecular Weight	Polymeric substance - Contact for details
Synonyms	Polycarbonate-polyurethane copolymer; PC-PU hybrid polymer; Aliphatic polycarbonate urethane polymer; Poly(hexamethylene carbonate) urethane; Polymer with IPDI and H12MDI; Polyol-based thermoplastic polyurethane; CAS 148878-27-7; Polycarbonate diol-based PU
EINECS	Contact for details

Quality Control

Our production of this advanced polymer adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as hydroxyl value, isocyanate content, viscosity, and molecular weight distribution are rigorously monitored. A comprehensive Certificate of Analysis (COA) detailing all relevant specifications is 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 room temperature (15-25°C). Keep away from strong bases and organic solvents. The material is moisture-sensitive; ensure containers are sealed after use to prevent absorption of atmospheric moisture which can affect product performance.

Specification

Item	Specification
Appearance	Pellets or granules, Colorless to pale yellow
Identification (IR)	Conforms to standard
Solid Content	≥ 99.0 %
Hydroxyl Value (OH#)	As per grade (Contact for details)
Viscosity (at 25°C)	As per grade (Contact for details)
Glass Transition Temperature (Tg)	As per grade (Contact for details)
Moisture Content (Karl Fischer)	≤ 0.05 %

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