Use of a carrier material for controlled fragrance release in textiles

Abstract

Use of an open-pored polymer powder with pore sizes in the range of 10 to 500 nanometers, an open-cell structure for the passive, directed release of fragrances, wherein the polymer powder is present on or in a textile or textile-like carrier material.

Description

Technical area

[0001] The invention relates to the use of an open-pore, polymer-based carrier material for the passive, continuous, and optionally regenerable release of fragrances onto or into textiles and textile-like carrier materials. The invention is particularly intended for applications in the fields of home textiles, clothing, automotive interiors, technical textiles, and related textile products. Background of the invention

[0002] Conventional fragrance release systems for textiles are often based on microencapsulation, in which fragrances are enclosed in closed shells. These systems are generally not reusable, often based on microplastics, and react to external stimuli such as friction or moisture. They are also susceptible to absorbing foreign odors from the environment.

[0003] The invention aims to provide a novel fragrance delivery system that enables the consistent, passive, and sustained release of fragrances without relying on traditional microcapsules or activation mechanisms. Furthermore, the system should be rechargeable and versatile and can be integrated into textiles. Description of the invention

[0004] The invention relates to a carrier material for the continuous, passive release of fragrances, in particular for use in textile or textile-like environments.

[0005] The goal is to provide a simple, regenerable solution for fragrance delivery without the need for electronic or mechanical components. The fragrances should be able to be released in measured doses over extended periods and subsequently reapplied as needed. Solution to the task

[0006] This task is solved by a carrier material designed to absorb, store, and release fragrances over a defined period of time. The carrier material retains its functionality even after repeated use.

[0007] The material can be integrated into existing products or used as a standalone element. A preferred application is in the areas of clothing, home textiles, and packaging.

Claims

[1] Use of an open-pored polymer powder with pore sizes in the range of 10 to 500 nanometers, an open-cell structure for the passive, directed release of fragrances, wherein the polymer powder is present on or in a textile or textile-like carrier material. [2] Use according to any one of the preceding claims, wherein the polymer powder is rechargeable in that fragrances can be added multiple times without affecting the structure or performance of the material. [3] Use according to any one of the preceding claims, wherein the polymer powder is thermally, mechanically and chemically stable, in particular against typical stresses in textile applications, including temperature, friction, moisture and UV radiation. [4] Use according to any one of the preceding claims, wherein the polymer powder does not adsorb volatile molecules from the environment and thereby enables selective release of the desired fragrance. [5] Use according to one of the preceding claims in products selected from the group: home textiles, clothing, sports textiles, automotive interiors, mattresses, upholstery materials, cleaning textiles, nonwovens, technical textiles, furniture textiles, packaging textiles and related textile fabrics.