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Success stories

Development of smart leathers through microencapsulation of a corporate fragrance

The company's activity focuses on the preparation, tanning and finishing of leather, specifically bovine leather. A high quality standard was maintained at all times, with the high-added-value market as its target.

01. CHALLENGE

The overall aim of the project was to develop smart leathers by incorporating a microencapsulated corporate fragrance at the finishing stage.

To meet the challenge of giving the product high added value, specific microcapsules were developed that, in addition to containing the selected active ingredient, would not be reactive in the application medium.

The microcapsules had to offer high thermal resistance, low agglomeration and break under friction, while being stabilised in the finish to avoid reactivity during the leather curing processes.

The goal was a functional product specialised in the application of aromatic microcapsules. These had to give the leather a corporate scent, adding value to the final product in line with the expectations of major luxury brands.

02. SOLUTION

The products used in finishing are organic-based, whereas microcapsules are generally produced in a water base. To facilitate the mixing and stability of the microcapsules in an organic medium, we removed as much water as possible without forming aggregates.

An encapsulation study of the selected fragrance was carried out, considering its formulation and measuring its functional quality and release capacity without altering the quality or aesthetic properties of the leather.

The microcapsules were developed taking into account the demanding thermal and mechanical conditions of the finishing processes in tanning.

In addition, the microcapsules were designed to break under friction, so the corporate fragrance is only released when it reaches the end user.

These microcapsules have added high value to the final product without altering its appearance or quality.

03. TODAY

With this development we have given our client the technology needed to impart the selected corporate fragrance to its product, building brand loyalty through its customers’ olfactory experience.

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