US 12,220,723 B2
Method for producing, applying and fixing a multilayer surface coating on a host substrate, and host substrate assembly which can be obtained by said method
Housseinou Ba, Strasbourg (FR); Armel Bahouka, Illkirch (FR); Yannick Lafue, Strasbourg (FR); and Cuong Pham-Huu, Strasbourg (FR)
Assigned to BLACKLEAF, Strasbourg (FR); CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, Paris (FR); and UNIVERSITÉ DE STRASBOURG, Strasbourg (FR)
Appl. No. 17/290,371
Filed by BLACKLEAF, Strasbourg (FR); Centre National de la Recherche Scientifique, Paris (FR); and Université de Strasbourg, Strasbourg (FR)
PCT Filed Nov. 27, 2019, PCT No. PCT/EP2019/082738
§ 371(c)(1), (2) Date Apr. 30, 2021,
PCT Pub. No. WO2020/109380, PCT Pub. Date Jun. 4, 2020.
Claims priority of application No. 1871908 (FR), filed on Nov. 27, 2018.
Prior Publication US 2021/0402429 A1, Dec. 30, 2021
Int. Cl. B05D 1/36 (2006.01); B05D 7/00 (2006.01); H05B 3/14 (2006.01); H05B 3/26 (2006.01)
CPC B05D 1/36 (2013.01) [B05D 7/52 (2013.01); H05B 3/145 (2013.01); H05B 3/26 (2013.01); H05B 2203/013 (2013.01); H05B 2203/017 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A process for producing, applying and fixing a multilayer surface coating to a surface to be coated, the process comprising applying successively:
a layer of fixing product, called the fixing layer, directly to the surface to be coated of the host substrate by covering the surface to be coated, the surface interaction between the fixing layer and the surface to be coated achieving a fixing to each other, and
a layer of functional product, called the functional layer, directly onto the fixing layer by depositing on the fixing layer, the surface interaction between the fixing layer and the functional layer effecting a fixing to each other and thus a fixing of the functional layer to the surface to be coated of the host substrate by means of the fixing layer, said functional product being applied to the fixing layer by spraying, projecting or spreading,
the process further comprising providing a drying period for stabilizing the fixing layer, before and/or after the application of the functional layer, to promote the fixing of the fixing layer to the surface to be coated of the host substrate and/or the fixing of the functional layer to the fixing layer;
wherein said functional product is in a liquid suspension form and comprises monolayer or multilayer graphene at a concentration greater than or equal to 0.2 g/L and at least one surfactant dispersed in water or in a hydroalcoholic solution or in a solvent;
wherein said fixing product is capable of being applied and fixed directly to the surface to be coated of the host substrate by surface interaction between said fixing product and said surface to be coated; and
wherein said functional product is capable of being applied and fixed directly to the fixing product by surface interaction between said functional product and said fixing product.