A portable textile device designed to give covered skin an appearance and pigment modulation equivalent to that of bare skin exposed to the sun, without exposure to ultraviolet radiation.
The wearable textile device addresses the challenge of UV-protective clothing by using a polymeric support and microcapsule layer to modulate pigmentation safely and aesthetically without UV exposure.
Patent Information
- Authority / Receiving Office
- FR · FR
- Patent Type
- Applications
- Current Assignee / Owner
- ARCHIDIACONO PHILIPPE
- Filing Date
- 2026-01-09
- Publication Date
- 2026-05-15
AI Technical Summary
Existing UV-protective clothing either blocks solar radiation completely, preventing any skin appearance change, or allows UV exposure, posing risks, without offering a solution for pigment modulation.
A wearable textile device comprising a polymeric support, optical layer, and active inner layer that blocks UV radiation while providing a progressive pigment modulation through a polymeric microcapsule layer containing non-photo-activated agents like DHA and erythrulose, diffusing visible light and releasing pigments homogeneously.
Achieves a homogeneous skin appearance and progressive pigmentation without UV exposure, ensuring safety and aesthetic benefits.
Abstract
Description
Title of the invention: A wearable textile device designed to give covered skin an appearance and pigment modulation equivalent to that of bare skin exposed to sunlight, without exposure to ultraviolet radiation. Technical field
[0001] The present invention relates to technical textiles and functional clothing incorporating non-medical chemical processes, in particular for swimsuits and tunics intended for well-being and body aesthetics. Prior art
[0002] UV-protective clothing blocks solar radiation but prevents any appearance of exposed skin. Tan-transparent textiles allow ultraviolet radiation to pass through and expose the skin to known risks. No known wearable textile solution allows for pigment modulation without UV exposure. Technical problem
[0003] Providing a portable textile device enabling a homogeneous appearance of bare skin and a progressive modulation of pigmented appearance without exposure to ultraviolet radiation. Description of the invention
[0004] The device comprises a polymeric textile support substantially blocking UVA and UVB, an optical layer diffusing visible light homogeneously, and an active inner layer ensuring progressive modulation of pigment appearance without UV activation. Materials, chemical processes and calculations
[0005] The polymeric support is made of polyamide (PA6, PA6.6, PA11) and / or polyester incorporating organic UV absorbers in the mass.
[0006] The mass concentration of UV absorbers is between 0.3% and 2.5%, calculated according to the following relationship:
[0007] [Math 1]
[0008] C_uv = (m_abs / m_poly) x 100 Diffusing optical layer
[0009] The optical layer comprises a transparent polymer matrix loaded with non-absorbing dielectric particles of size between 100 nm and 5 pm, with a density between 10A6 and 10A9 particles / cm2, in order to ensure homogeneous diffusion of visible light. Active inner layer
[0010] The inner layer comprises polymeric microcapsules containing non-photo-activated pigment-modulating agents.
[0011] [Cheml]
[0012] Dihydroxyacetone (DHA) - Molecular formula: C3H6O3
[0013] [Chem 2]
[0014] Erythrulose - Molecular formula: C4H8O4
[0015] The surface concentration of the active agents is between 0.05 mg / cm² and 0.5 mg / cm². Release is controlled by diffusion according to Fick's law:
[0016] [Math 2]
[0017] J = -D (dC / dx) Manufacturing process
[0018] The manufacturing process comprises the following successive steps:
[0019] a) extrusion of the polymer incorporating the organic UV absorbers;
[0020] b) formation of the textile support by weaving or knitting;
[0021] c) application of the diffusing optical layer;
[0022] d) integration of polymeric microcapsules;
[0023] e) thermal or chemical fixation;
[0024] f) finishing including laser cutting and heat sealing.
Claims
Demands
1. A wearable textile device, characterized in that it comprises: a polymeric textile support made of polyamide and / or polyester, incorporating organic UV absorbers into the mass and substantially blocking UVA and UVB radiation; an optical layer comprising a transparent polymeric matrix loaded with non-absorbing dielectric particles, said optical layer homogeneously diffusing visible light; and an active inner layer comprising polymeric microcapsules containing non-photo-activated pigment-modulating agents.
2. Device according to claim 1, wherein the mass concentration of organic UV absorbers is between 0.3% and 2.5%.
3. Device according to any one of claims 1 or 2, wherein the polymeric microcapsules contain dihydroxyacetone (C3H6O3) and / or erythrulose (C4H8O4), the surface concentration of the active agents being between 0.05 mg / cm2 and 0.5 mg / cm2.
4. A method for manufacturing a textile device according to any one of claims 1 to 3, characterized in that it successively comprises the following steps: a) extrusion of the polymer incorporating the organic UV absorbers; b) formation of the textile support by weaving or knitting; c) application of the diffusing optical layer; d) integration of the polymeric microcapsules; e) thermal or chemical fixing; f) finishing comprising laser cutting and heat sealing.
5. Device according to any one of claims 1 to 3, wherein the optical layer comprises non-absorbing dielectric particles of size between 100 nm and 5 pm, with a density between 10A6 and 10A9 particles / cm2.