Microcapsules carry vitamins and tell temperatures
Microcapsules filled with delayed-release substances can be printed on labels, decals, and textiles using technology developed by the French firm Euracli. Microencapsulation wraps liquids or solids in a membrane of a synthetic or natural polymer, or lipid olates to protect the active ingredient from the environment. These ingredients can be antibacterial agents, vitamins, a cosmetic, or perfumes. Capsule sizes vary from 0.5 to 2,000 microns. The encapsulated product releases when the membrane is broken or by diffusing through the membrane.
The company's first label in 1986 showed the temperature of a bottle of wine and used a thermo-sensitive color-changing ink. The ink's formulation is adapted to each product.
For textiles such as bedding, capsules can hold vitamins. Or, on clothing, they could hold a pleasant scent.
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