Description

2-Oxepanone, Polymer With 1,4-Diisocyanatobenzene And 2,2-Dimethyl-1,3-Propanediol is a high-performance, segmented polyurethane or polyurethane-urea copolymer synthesized from ε-caprolactone, p-phenylene diisocyanate (PPDI), and neopentyl glycol. This engineered polymer is valued for its exceptional balance of mechanical strength, chemical resistance, and controlled biodegradability. It is primarily sought after by manufacturers in the medical device, specialty adhesive, and advanced coating industries where material performance under demanding conditions is critical.

Application

• Biomedical Implants and Devices: Used as a key component in bioresorbable sutures, drug-eluting stents, and tissue engineering scaffolds due to its tunable degradation profile and biocompatibility.
• High-Performance Adhesives and Sealants: Serves as a base polymer for adhesives requiring excellent bonding strength, flexibility, and resistance to oils, solvents, and environmental stress.
• Specialty Protective Coatings: Formulated into durable coatings for industrial equipment, automotive components, and electronic assemblies to provide abrasion and chemical protection.
• Elastomers and Thermoplastic Polyurethanes (TPU): Acts as a hard segment in the production of flexible yet tough elastomers for gaskets, seals, and impact-resistant parts.
• Controlled-Release Matrices: Employed in agricultural and pharmaceutical formulations to create matrices for the sustained release of active ingredients like fertilizers or drugs.
• Advanced Composite Materials: Incorporated as a polymer matrix in fiber-reinforced composites for aerospace, automotive, and sporting goods applications.

Basic Information

Item	Details
Product Name	2-Oxepanone, Polymer With 1,4-Diisocyanatobenzene And 2,2-Dimethyl-1,3-Propanediol
CAS No.	179865-16-8
Molecular Formula	(C6H10O2 · C8H4N2O2 · C5H12O2)x
Molecular Weight	Polymer - Variable
Synonyms	Poly(ε-caprolactone-co-p-phenylene diisocyanate-co-neopentyl glycol); PCL-PPDI-NPG Copolymer; Poly(caprolactone/PPDI/neopentyl glycol urethane); Caprolactone-PPDI-NPG Terpolymer; Segmented Polyurethane based on ε-Caprolactone, 1,4-Diisocyanatobenzene, and 2,2-Dimethyl-1,3-propanediol; Poly[(ε-caprolactone)-urethane]; Biodegradable Polyurethane Copolymer
EINECS	Contact for details

Quality Control

Our production of this advanced copolymer adheres to strict quality management systems. Each batch is characterized using advanced analytical techniques to ensure consistency in molecular weight, composition, and thermal properties. A comprehensive Certificate of Analysis (COA) is provided with every shipment, detailing key parameters such as inherent viscosity, glass transition temperature (Tg), melting point, and residual monomer content. We support compliance with relevant regulatory frameworks for specialized applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This polymer is hygroscopic (moisture-sensitive) and should be kept under dry conditions to prevent hydrolysis and property degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white pellets or powder
Identification (IR)	Conforms to structure
Inherent Viscosity	0.5 - 2.5 dL/g (specify solvent & concentration)
Glass Transition Temp (Tg)	Contact for details
Melting Point (Tm)	40 - 60 °C (DSC)
Residual ε-Caprolactone	< 1.0% (HPLC/GC)
Moisture Content	< 0.5% (KF Titration)
Ash Content	< 0.1%

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