Centre National De La Recherche Scientifique

Universite Claude Bernard – Lyon1

Universite Claude Bernard—lyon

Segula Engineering

Institut National Des Sciences Appliquées Lyon 1

Elkem Silicones France

Institut National Des Sciences Appliquees De Lyon

Elkem Silicones France Sas

Université Jean Monnet Saint-Étienne

Edwin-Joffrey Courtial

Jean-Marc Frances

Christophe Marquette

David Mariot

Rene Fulchiron

Lucas Lemarie

Clement Perrinet

Clément Perrinet

René Fulchiron

The present invention relates to a process for manufacturing a silicone elastomer article comprising the following step: 1) providing a composition C, comprising water and at least 20% by weight of at least one poloxamer, into a container; 2) placing the container comprising the composition C at the required temperature T1 to form a gel; 3) printing a crosslinkable silicone composition X into the gel obtained in 2) with a 3D printer at the required temperature T1; 4) optionally allowing the printed composition X to partially or totally crosslink, optionally by heating, to obtain a silicone elastomer article, into the container; 5) optionally placing the container obtained in step 4) at a temperature T3 lower than the sol-gel transition temperature of composition C; 6) recovering the silicone elastomer article; and 7) optionally washing the obtained silicone elastomer article for example with water at a temperature T3 lower than the sol-gel transition temperature of composition C.

Method for manufacturing a silicone elastomer article using a 3D printer

The invention relates to an additive manufacturing method for producing a three-dimensional elastomer silicone article. The elastomer silicone article is built up layer by layer by printing a silicone composition crosslinkable by addition reactions comprising at least one organopolysiloxane-polyoxyalkylene copolymer with a 3D printer selected from an extrusion 3D printer or a material jetting 3D printer.

A method for producing a 3D-printed tissue substitute is disclosed, utilizing a 3D printing device including a tank including a yield stress fluid in which the material is printed, the printing material delivered by the cartridge includes polyvinyl alcohol and gelatin, the method including a step following which, after printing the material in the yield stress fluid, a printed intermediate device is solidified in the yield stress fluid by lowering the temperature of the tank. The intermediate device is removed from the tank, rinsed and dried in order to obtain the tissue substitute.

Method for producing a 3D-printed tissue substitute

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Villeurbanne, France

Edwin-Joffrey Courtial