⟡ Polycaprolactone / PCL Polymer / Biodegradable Polyester
Polycaprolactone (PCL), MW ~37,000
Polycaprolactone (PCL) is a biodegradable, semicrystalline aliphatic polyester widely used in polymer research, additive manufacturing, coatings, adhesives, and materials engineering. This technical-grade polycaprolactone polymer offers excellent flexibility, low melting temperature, hydrophobicity, and compatibility with numerous polymer systems.
With a molecular weight of approximately 37,000, this PCL material is commonly selected for thermoplastic processing, polymer blends, composite systems, coatings, and prototyping applications. Polycaprolactone is valued for its slow degradation profile, toughness, and ease of processing in industrial and research environments.
Key Features & Benefits
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Polycaprolactone (PCL) polymer: biodegradable thermoplastic polyester for industrial and research applications
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Molecular weight ~37,000: suitable balance of flexibility, toughness, and processability
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Low melting point polymer: supports low-temperature extrusion and thermal processing
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Semicrystalline polyester: offers durability, flexibility, and controlled degradation behavior
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Compatible with polymer blends: frequently used as a modifier or compatibilizer
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Hydrophobic polymer material: useful in coatings, composites, and specialty formulations
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Excellent processability: supports extrusion, molding, and additive manufacturing workflows
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Biodegradable polyester system: widely studied in sustainable materials research
Product Details
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Product name: Polycaprolactone (PCL)
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Molecular weight: ~37,000
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Polymer type: Semicrystalline aliphatic polyester
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Common abbreviation: PCL
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Grade: Technical grade
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Appearance: Solid polymer resin
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Key characteristics: Flexible, biodegradable, thermoplastic, hydrophobic
Applications of Polycaprolactone (PCL)
3D printing & additive manufacturing
Polycaprolactone is commonly used as a low-temperature thermoplastic feedstock for prototyping, extrusion-based additive manufacturing, and specialty fabrication applications.
Polymer blends & composite materials
PCL polymers are widely incorporated into polymer blends and composite systems to improve flexibility, toughness, and compatibility between material phases.
Adhesives & sealants
Polycaprolactone supports hot-melt adhesive and sealant formulations where flexibility, adhesion, and controlled thermal properties are required.
Coatings & surface treatments
Hydrophobic PCL coatings may improve durability, chemical resistance, and flexibility in industrial coating systems and packaging materials.
Research & materials development
Polycaprolactone polymers are frequently studied in biodegradable plastics research, thermoplastic formulation development, and sustainable polymer engineering.
Polycaprolactone Material Properties
Polycaprolactone is known for its low melting temperature, semicrystalline morphology, and slow degradation rate relative to many biodegradable polymers. These characteristics support processing flexibility and long-term stability in polymer systems.
The polymer exhibits good compatibility with a wide range of resins and additives, making it useful in blends, composites, coatings, and specialty thermoplastic applications.
Why Choose Polycaprolactone (PCL)?
PCL is frequently selected when formulators and researchers require a biodegradable polyester with strong flexibility, toughness, and thermal processability. Its relatively low melting point enables easier thermal shaping and extrusion compared to many engineering polymers.
The ~37,000 molecular weight range offers balanced handling characteristics for extrusion, coatings, adhesive systems, and polymer modification applications.
Why Choose Polysciences?
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FAQ
Click a question to expand.
What is polycaprolactone (PCL)?
Polycaprolactone (PCL) is a biodegradable semicrystalline polyester commonly used in polymer research, additive manufacturing, coatings, adhesives, and composite materials.
What is PCL polymer used for?
PCL polymers are used in 3D printing, polymer blends, coatings, adhesives, thermoplastic processing, and biodegradable materials research.
What are the properties of polycaprolactone?
Polycaprolactone offers flexibility, toughness, hydrophobicity, low melting temperature, biodegradability, and compatibility with many polymer systems.
Is polycaprolactone biodegradable?
Yes. Polycaprolactone is a biodegradable polyester with a relatively slow degradation profile compared to many other biodegradable polymers.
What does molecular weight affect in PCL?
Molecular weight can influence viscosity, flexibility, thermal behavior, mechanical performance, and processing characteristics in polycaprolactone systems.
What does PCL stand for?
PCL stands for polycaprolactone, a biodegradable thermoplastic polyester used in industrial and research applications.
