Description

1,3-Isobenzofurandione, Polymer With 1,2-Ethanediol And 2-Oxepanone is a high-performance, biodegradable polyester copolymer designed for advanced material applications. This engineered polymer offers a unique balance of mechanical properties, processability, and environmental compatibility, making it a critical component for sustainable product development. It is primarily sought by manufacturers in the biomedical, specialty packaging, and controlled-release sectors seeking reliable, high-purity polymer solutions.

Application

• Biomedical Devices: A key material for bioresorbable sutures, surgical meshes, and orthopedic fixation devices due to its controlled degradation profile.
• Drug Delivery Systems: Used as a matrix for microspheres, nanoparticles, and implants for the sustained and targeted release of active pharmaceutical ingredients.
• Specialty Packaging: Suitable for high-barrier, compostable films and coatings in sensitive food and pharmaceutical packaging.
• Tissue Engineering Scaffolds: Serves as a structural scaffold material that supports cell growth and gradually degrades as new tissue forms.
• Adhesives and Sealants: Employed in the formulation of high-performance, biodegradable adhesives for medical and industrial use.
• Controlled-Release Agriculture: Acts as a carrier for fertilizers, pesticides, and herbicides, enabling slow and efficient release into the environment.

Basic Information

Product Name	1,3-Isobenzofurandione, Polymer With 1,2-Ethanediol And 2-Oxepanone
CAS No.	31131-70-1
Molecular Formula	(C8H4O3·C2H6O2·C6H10O2)x
Molecular Weight	Polymer - Variable
Synonyms	Poly(1,2-ethanediol-alt-1,3-isobenzofurandione-co-2-oxepanone); Phthalic Anhydride-Ethylene Glycol-ε-Caprolactone Copolymer; Poly(ethylene glycol phthalate-co-ε-caprolactone); PEG-PCL-Phthalate Terpolymer; Biodegradable Aliphatic-Aromatic Copolyester; Poly(ethylene phthalate-co-caprolactone); P(EG-PA-CL); Terpolymer of Phthalic Anhydride, Ethylene Glycol, and ε-Caprolactone
EINECS	Contact for details

Quality Control

Every batch of our polymer is manufactured under a strict quality management system and undergoes comprehensive analytical testing to ensure consistency and performance. We provide full traceability and Certificates of Analysis (COA) detailing key parameters such as molecular weight distribution, inherent viscosity, residual monomer content, and thermal properties. Our production can adhere to ISO 13485 standards for medical-grade applications upon request.

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 material is hygroscopic (moisture-sensitive); ensure containers are sealed after each use to prevent moisture uptake, which can affect polymer properties.

Specification

Item	Specification
Appearance	White to off-white granules or powder
Identification (IR)	Conforms to structure
Inherent Viscosity (dl/g)	0.5 - 2.0 (Grade dependent)
Weight-Average Molecular Weight (Mw)	10,000 - 100,000 Da
Glass Transition Temperature (Tg)	Contact for details
Melting Point (Tm)	Contact for details
Residual Monomer (HPLC)	< 1.0%
Moisture Content (KF)	< 0.5%
Heavy Metals (as Pb)	< 10 ppm

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