Description

Poly(3-Hydroxyvalerate)-(3-Hydroxyheptanoate)-(3-Hydroxynonanoate)-(3-Hydroxyundecanoate) Copolymer is a specialized medium-chain-length polyhydroxyalkanoate (mcl-PHA) biopolymer, a class of sustainable materials produced by microbial fermentation. This copolymer is engineered to offer a unique balance of elastomeric properties, biodegradability, and biocompatibility, making it a high-value material for advanced applications. It is particularly sought after by innovators in the medical device, specialty packaging, and high-performance additive manufacturing sectors seeking eco-friendly material solutions with tunable physical characteristics.

Application

• Biomedical Implants & Devices: Used as a biocompatible and bioresorbable matrix for tissue engineering scaffolds, drug delivery systems, and soft tissue repair materials.
• Specialty Biodegradable Films & Coatings: Formulated into high-barrier, compostable packaging films for sensitive products and as protective coatings for paper and cardboard.
• Advanced 3D Printing Filaments: Serves as a base polymer for producing flexible, durable, and biodegradable filaments for specialized additive manufacturing applications.
• Elastomeric Components: Utilized in the manufacture of flexible, biodegradable components for consumer goods and industrial applications requiring rubber-like properties.
• Adhesives & Binders: Acts as a biodegradable binder in non-woven fabrics, composites, and controlled-release formulations in agriculture.
• Cosmetic & Personal Care: Incorporated into formulations for biodegradable microbeads, film-forming agents, and sustained-release capsules for active ingredients.

Basic Information

Product Name	Poly(3-Hydroxyvalerate)-(3-Hydroxyheptanoate)-(3-Hydroxynonanoate)-(3-Hydroxyundecanoate) Copolymer
CAS No.	134905-18-3
Molecular Formula	(C5H8O2·C7H12O2·C9H16O2·C11H20O2)n
Molecular Weight	Variable (Polymer)
Synonyms	P(3HV-co-3HHp-co-3HN-co-3HU); mcl-PHA Copolymer; Medium-chain-length Polyhydroxyalkanoate; Poly(3-hydroxyvalerate-co-3-hydroxyheptanoate-co-3-hydroxynonanoate-co-3-hydroxyundecanoate); Biodegradable Polyester Elastomer; Microbial Polyester; PHV/HHp/HN/HU Copolymer; PHA 7749
EINECS	Contact for details

Quality Control

Our Poly(3-Hydroxyvalerate)-(3-Hydroxyheptanoate)-(3-Hydroxynonanoate)-(3-Hydroxyundecanoate) Copolymer is manufactured under a strict quality management system. Each batch is characterized for critical parameters including monomer composition, molecular weight distribution, thermal properties, and purity to ensure consistency for demanding applications. Certificates of Analysis (COA) detailing these specifications are provided and can be tailored to meet specific customer or regulatory requirements.

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). To maintain its molecular weight and properties, protect from excessive heat and moisture. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder or granules
Identification (IR)	Conforms to structure
Monomer Composition (GC or NMR)	As per grade requirement
Weight Average Molecular Weight (Mw)	50,000 - 500,000 Da (Typical)
Polydispersity Index (PDI)	< 3.0
Melting Point (DSC)	40 - 120 °C (Grade dependent)
Residual Solvent (GC)	< 0.5%
Residual Catalyst	< 10 ppm
Biobased Carbon Content	> 90%

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