A porous layer, its manufacturing method, and its use

Japanese Patent JP6212471

B2

The porous sol-gel silica layer (2) comprises a series of closed pores (10-90%) with smallest characteristic dimension of >= 20 nm. The porous layer is obtained with a solid blowing agent in a particulate form and is coated with a fluorinated organosilane or perfluoroalkylsilane. The pores have spherical or oval shape. The porous layer with pores of different sizes and proportions includes stack of porous layers with increased thickness. The porous layer has a refractive index of = 1.1 at 600 nm. The porous sol-gel silica layer (2) comprises a series of closed pores (10-90%) with smallest characteristic dimension of >= 20 nm. The porous layer is obtained with a solid blowing agent in a particulate form and is coated with a fluorinated organosilane or perfluoroalkylsilane. The pores have spherical or oval shape. The porous layer with pores of different sizes and proportions includes stack of porous layers with increased thickness. The porous layer has a refractive index of = 1.1 at 600 nm and is disposed on a sub-layer to be barrier with alkaline and to be adhesion promoter of silica or silicon oxide derivative such as silicon dioxide, silicon oxide under stoichiometric, oxycarbide, oxynitride or silicon oxycarbonitride. Independent claims are included for: (1) a coated substrate; (2) a solar module; (3) multiple glazing unit; and (4) a method for fabricating the porous sol-gel silica layer on asubstrate.

Arnault Yuiniard
Natalie Rohau
Sophie Betsson

JP2014241698A

October 11, 2017

November 28, 2014

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Saint-Gobain Glass France

C03C27/10; B32B5/18; B32B7/02; B32B9/00; B32B17/08; B60J1/00; C03C17/22; C03C17/25; H01L31/0392; H01L31/048; H01L33/00; H01L51/50; H05B33/02

JP9314715A

WO2006103575A1

Kawaguchi International Patent Office

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