Caprolactone monomers appear as colorless to pale yellow liquids with low viscosity and excellent reactivity. Key features include excellent adhesion to various substrates, remarkable flexibility even at low temperatures, hydrolytic stability, and good compatibility with other adhesive components. Caprolactone monomers are valuable in transportation assembly, packaging adhesives, and electronics.
Types include mono-functional caprolactones, di-functional varieties, and multi-functional grades, and modified caprolactones. Recent developments focus on optimized molecular weight distributions for specific performance characteristics and the increasing utilization in polyurethane and hybrid adhesive systems.
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Low viscosity standard grade polyol derived from caprolactone monomer. Possesses low viscosity, low impurities and shows consistent crystallization. Exhibits outstanding flexibility even at low temperatures, excellent strength and abrasion resistance and a controlled and consistent open time. Provides strong adhesion on difficult and sensitive substrates including leather and shows a lasting outdoor performance for polyurethane materials. It is non-toxic and biodegradable. Shows a fast wetting process and benefits in durable joints even in humid environments. Recommended for use in waterborne, solvent-based and hot-melt polyurethane adhesives. Applications in the automotive and footwear industries, as well as a range of other areas.
Capa® 8502A by Ingevity is a linear co-polyester diol derived from caprolactone monomer. It is a semi-crystalline thermoplastic with low melting point. The co-polyester is made from partly renewable sources. The polymer is biodegradable in composting conditions. Capa® 8502A is used in adhesive applications.
PLACCEL FA2D by Daicel is 2-Oxepanone'homopolymer'2-[(1-oxo-2-propenyl)oxy]-ethylester. PLACCEL FA2D appears colorless or light yellow colored liquid.
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