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  • ε-Caprolactone or simply caprolactone is a cyclic ester, a member of the lactone family, with a seven-membered ring with the formula (CH₂)₅CO₂. This colorless liquid is miscible with most organic solvents. It is produced on a very large scale as a precursor to caprolactam.
  • The great majority of caprolactone is consumed, often in situ, as a precursor to caprolactam. It is also a monomer used in the  manufacture of highly specialised polymers.
  • Caprolactone is a colourless liquid with a melting point of -1.3 °C and a boiling point of 237 °C. The substance
    is miscible with water in all proportions and the calculated log Kow (octanol-water partition coefficient) is 0.68.
    The vapour pressure of -caprolactone is 0.81 Pa.
  • Caprolactone is prepared industrially by Baeyer-Villiger oxidation of cyclohexanone with peracetic acid.The three main manufacturers are BASF in the USA, Daicel in Japan and the largest Perstorp in the UK.
  • Several other caprolactones are known, although none approaches the technological importance of ε-caprolactone. These isomers  include alpha-, beta-, gamma-, delta-caprolactones. All are chiral. Gamma-caprolactone is component of flower aromas and an insect pheromone. delta-Caprolactone is found in heated milk fat.
  • Caprolactone hydrolyses rapidly and the resulting hydroxycarboxylic acid displays unexceptional toxicity, as is common for
    the other hydroxy carboxylic acids.It is known to cause severe eye irritation. Exposure may result in corneal injury.
  • Caprolactone - About 50 % of the quantity produced is used on site for the production of polymers(poly caprolactones). The remaining 50 % is sold to customers (downstream users) as an intermediate for use in the manufacture of resins and polymers.
  • ε-Caprolactone exhibits low acute toxicity by all potentially relevant routes of exposure.
  • Caprolactones, are integral in applications such as the production of support material for top-quality shoes, waterborne PUDs and modern
    orthopedic brace supports.
  • The market for caprolactone - based technology is continuing
    to grow rapidly.
  • Capa polycaprolactones are specialty polyester polyols that are typically used as the soft segment component in a wide range of highperformance polyurethane CASE applications, such as PUDs for wood and leather coatings, cast elastomers, TPUs, and protective coatings, solvent, water-based and 2K systems for chemical protection for steel and flooring applications.
General Information
  • Caprolactone General Info
  • Caprolactone Information
  • Polycaprolactone Info
  • Caprolactone Profile
  • Caprolactone basic Info


  • Company from China
  • Company from USA
  • Company from Germany
  • Company from USA
  • Company from China
  • Company from USA

Consultancy from USA

  • Consultancy Profile1
  • Consultancy Profile2
  • Consultancy Profile3

Data Sheet

  • Epsilon-Caprolactone
  • ε-Caprolactone
  • Caprolactone acrylate
  • у-Caprolactone
  • Gamma-Caprolactone
  • Epsilon-Caprolactone monomer
  • E-Caprolactone, monomer
  • Caprolactone Polymer
  • Poly(caprolactone) diol
  • Capa 6500 Polycaprolactone
  • 6-Caprolactone Monomer
  • Durect Lactel Absorbable Polymers


  • Epsilon-Caprolactone
  • Capa Monomer
  • Capa polycaprolactones
  • Caprolactone polyols

Toxicity & Risk

  • Caprolactone Hazard Info
  • Cellular Uptake and Concentrations of Tamoxifen Upon Administration in Poly(ε-caprolactone) Nanoparticles
  • Intradermal immunization with ovalbumin loaded poly- ε -caprolactone microparticles conferred protection in OVA-sensitized allergic mice
  • Poly-  ε Caprolactone Intravitreous Devices:
    An In Vivo Study

Report & Market

  • Producing caprolactones
    for high-tech polyurethanes
  • World’s largest caprolactone supplier
  • Caprolactones Business to Perstorp
  • Caprolactone supplier presents its full polyurethane offer at China
  • Spearheading performance with Caprolactone
  • Regulation Merger procedure - Caprolactone Business


  • Kinetics and Mechanism of 6-Caprolactone anionic polymerization under the influence of amines
  • Thiophene Ended 1-Caprolactone Conducting Copolymers and their Electrochromic Properties
  • Well defined block copolymers of 8-caprolactone and L-lactide


  • Suppliers for Caprolactone
  • Caprolactone Suppliers
  • Caprolactone Supplier List
  • Suppliers for Caprolactone
  • Caprolactone Suppliers
  • Suppliers for Caprolactone



  • A Novel Docetaxel-Loaded Poly (e-Caprolactone)/Pluronic F68
    Nanoparticle Overcoming Multidrug Resistance for Breast
    Cancer Treatment
  • Preparation and characterization of poly (ε-caprolactone) PCL scaffolds for tissue engineering applications
  • Modified Poly(ε-caprolactone)
    and Poly(lactic acid) Polymers
    for Controlled and Targeted
    Drug Delivery
  • Determination of poly(e -caprolactone) solubility parameters: Application to solvent substitution in a microencapsulation process
  • Tamoxifen loaded poly(εCapralactone) based injectable microspheres for breast cancer


  • Copolyetheresters from caprolactone
  • Process for producing ε-caprolactone
  • Preparation of caprolactone
  • Process for producing purified ε-caprolactone
  • Stabilizing caprolactones with dihydroxybenzenes
  • Process for Polymerizing ε-caprolactones
  • Absorbable E-caprolactone polymers and medical devices
  • Caprolactone polymers from unsaturated monomers
  • Conversion of cyclohexanol to ε-caprolactone
  • Polyfunctional acrylate derivatives of caprolactone-polyols
  • Surgical articles of copolymers of glycolide and ε-caprolactone and methods of producing the same


  • AB-polymer networks based on oligo(ε-caprolactone) segments showing shape-memory properties
  • Biodegradable poly(e caprolactone)-poly(ethylene glycol) block copolymers: characterization and their use
  • Enzyme-Catalyzed Ring-Opening Polymerization of  ε-Caprolactone
  • Hydrolysis Induced Deterioration of Compressive Properties of Poly-ε-Caprolactone
  • Influence of Different Processing Additives on Biodegradation of Poly(E-caprolactone)
  • Mass-Selective Lipase-Catalyzed Poly( ε-caprolactone)
  • Shape Memory Properties of Poly(ε-Caprolactone) Based Thermoplastic Polyurethane Secondary Blends
  • Supercritical solvent impregnation of poly(ε-caprolactone) blends for controlled release applications


  • Preparation and Evaluation of Poly (ε-caprolactone) Nanoparticles-in-
    Microparticles by W/O/W Emulsion Method
  • Novel Synthesis of(carbxylic acid) telechelic poly(e-caprolactone)
  • Synthesis of biodegradable thermoplastic elastomers
    (BTPE) based on ε-caprolactone
  • Poly( ε-caprolactone)-Grafted Acetylated Anhydroglucose
    Oligomer by Ring-opening Polymerization –Synthesis and Characterization
  • Preparation of poly ε-caprolactone nanoparticles containing magnetite for magnetic drug carrier
  • Process Optimization of Poly(ε-caprolactone) Synthesis by Ring Opening Polymerization
  • Synthesis of Highly Branched Poly(ε-caprolactone) by Selfcondensing
    Atom Transfer Radical
  • Synthesis and Surface Modification of Nanoporous Poly(ε-caprolactone) Membrane for Biomedical Applications

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