METHOD FOR THE MANUFACTURE OF A MULTI-LAYER SUBSTRATE WHICH CAN BE BONDED TO THE SKIN TO FORM SELF-ADHESIVE HAIR PROSTHESES AND MULTI-LAYER PROSTHESES SO OBTAINED

摘要

Method for manufacturing bonding systems for hair prostheses which makes it possible to produce self-adhesive prostheses. The process comprises preparing a thin membrane, from 20 to 80 microns, in a single- spreading operation and from 100 to 400 microns in successive spreading operations, comprising a preformed adhesive to which silver ions having an antibacterial action are added, into which microbubbles of air are blown during the mixing process. This adhesive composition is spread onto readily-removable silicone sheets which have the characteristic of being thermoformable to form caps having the shape of the user's head. The hair prosthesis is made separately by inserting hairs into a polyurethane membrane which is then attached to the adhesive membrane.