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Specifications of Caprolactone homopolymer diol丨CAS 36890-68-3
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Grade |
2044 |
|
Appearance |
Colorless to light yellow liquid |
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Molecular Weight (MW) |
400 |
|
Color (APHA) |
30 max |
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Hydroxyl value (KOH-mg/g) |
270–290 |
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Acid value (KOH-mg/g) |
0.5 max |
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Water |
0.03% max |
|
Viscosity (mPa·s / 60℃) |
45 |
Transport Information of Caprolactone homopolymer diol丨CAS 36890-68-3
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Parameter |
Specification |
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UN Number |
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|
Class |
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Packing Group |
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H.S. Code |
2932209090 |
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Stability & Reactivity |
The product is chemically stable under standard ambient conditions. |
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Storage |
Tightly closed. Store in a closed, dry, ventilated place |
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Condition to Avoid |
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Package |
200kg/drum |
Applications
1. Polyurethane Production
Caprolactone homopolymer diol丨CAS 36890-68-3 is widely used as a polyol component in the manufacture of polyurethanes:
Elastomers: Used in high-performance elastomers for industrial, automotive, and sporting goods.
Adhesives & Sealants: Improves flexibility, resistance, and adhesion in various bonding materials.
Coatings: Applied in high-durability paints and coatings due to excellent hydrolytic and UV stability.
2. Biomedical and Pharmaceutical Uses
Biodegradable Polymers: Utilized in drug delivery systems, sutures, and tissue engineering due to its biocompatibility and biodegradability.
Implantable Devices: Suitable for slow degradation in medical applications, including controlled-release matrices.
3. 3D Printing & Additive Manufacturing
Serves as a component in biodegradable filaments for 3D printing, particularly in the medical or prototyping fields.
4. Thermoplastic Polyesters & Copolymers
Used to formulate thermoplastic polyesters with superior elasticity and resistance to oils and solvents.
Blended with other polyols or polymers to modify mechanical and thermal properties.
Benefits
✅ Biodegradable & Biocompatible
Ideal for medical and environmental applications due to its non-toxic degradation into hydroxycarboxylic acids.
✅ Excellent Flexibility & Toughness
Provides outstanding low-temperature flexibility and mechanical resilience in polyurethane and elastomer systems.
✅ Hydrolysis Resistance
Compared to other polyesters, it has enhanced resistance to hydrolytic degradation, making it suitable for long-term exposure in humid or aqueous environments.
✅ UV and Chemical Resistance
Offers good UV stability and resistance to a variety of chemicals, which is critical in outdoor coatings and industrial applications.
✅ Customizable Molecular Weight
Available in various molecular weights, allowing tailored mechanical properties for specific end-uses, from soft elastomers to rigid materials.
Conclusion
Caprolactone homopolymer diol丨CAS 36890-68-3 is a versatile, biodegradable polyol with widespread use in polyurethane systems, biomedical devices, adhesives, coatings, and 3D printing. Its unique combination of mechanical performance, biocompatibility, and chemical resistance makes it a preferred material in both industrial and medical innovations.
