摘要:
The invention relates to a glazing comprising a transparent glass substrate containing ions of at least one alkali metal and a transparent layer made of silicon oxycarbide (SiOxCy) having a total thickness E with (a) a carbon-rich deep zone, extending from a depth P3 to a depth P4, where the C/Si atomic ratio is greater than or equal to 0.5, and (b) a carbon-poor surface zone, extending from a depth P1 to a depth P2, where the C/Si atomic ratio is less than or equal to 0.4, with P1
摘要翻译:本发明涉及一种玻璃,其包括含有至少一种碱金属的离子的透明玻璃基板和由总厚度为E的碳氧化硅(SiO x C y)制成的透明层,(a)富碳深层,从深度 P3至深度P4,其中C / Si原子比大于或等于0.5,以及(b)从深度P1延伸到深度P2的碳贫表面区,其中C / Si原子比为 小于或等于0.4,P1
摘要:
The invention relates to a process for the manufacture of a hydrophobic glazing comprising the following successive stages:(a) formation of a carbon-rich silicon oxycarbide (SiOxCy) layer at the surface of a substrate made of mineral glass by chemical vapor deposition (CVD) over at least a portion of the surface of said substrate by bringing said surface into contact with a stream of reactive gases comprising ethylene (C2H4), silane (SiH4) and carbon dioxide (CO2) at a temperature of between 600° C. and 680° C., the ethylene/silane (C2H4/SiH4) ratio by volume during stage (a) being less than or equal to 3.3,(b) formation of an SiO2 layer on the silicon oxycarbide layer deposited in stage (a) or(b′) formation of a carbon-poor silicon oxycarbide layer exhibiting a mean C/Si ratio of less than 0.2,(c) annealing and/or shaping the substrate obtained on conclusion of stage (b) or (b′) at a temperature of between 580° C. and 700° C.,(d) activation of the silica layer, formed in stage (b), or of the silicon oxycarbide layer, formed in stage (b′), by plasma treatment or acidic or basic chemical treatment, and(e) grafting, by covalent bonding, a fluorinated hydrophobic agent.It also relates to a hydrophobic glazing, preferably a windshield, capable of being obtained by such a process.
摘要翻译:本发明涉及一种用于制造疏水玻璃的方法,其包括以下连续阶段:(a)通过化学气相沉积(CVD)在由矿物玻璃制成的基材的表面上形成富碳硅碳氧化物(SiO x C C)层 )通过使所述表面与包含乙烯(C 2 H 4),硅烷(SiH 4)和二氧化碳(CO 2)的反应性气体流在600℃和...之间的温度下与所述基材的表面的至少一部分接触, (a)期间的乙烯/硅烷(C 2 H 4 / SiH 4)体积比小于或等于3.3,(b)在阶段(a)中沉积的碳氧化硅层上形成SiO 2层,或 (b')形成平均C / Si比小于0.2的碳不足的碳硅氧化物层,(c)在(b)或(b')结束时获得的基板的退火和/或成形在 温度在580℃至700℃之间,(d)二氧化硅层的活化 阶段(b)或阶段(b')中形成的碳氧化硅层,通过等离子体处理或酸性或碱性化学处理,和(e)通过共价键接枝氟化疏水剂。 它还涉及能够通过这种方法获得的疏水性玻璃,优选挡风玻璃。
摘要:
A heating device equipped with a chamber defining a cavity, includes a door or wall incorporating a multiple glazing, the glazing including at least one transparent substrate coated on each face with a stack of thin layers, namely: on a first face, turned toward the cavity, a first stack that reflects heat essentially by virtue of one or more functional layers based on indium tin oxide; and on the other face, turned toward the exterior of the device, a second stack that reflects heat essentially by virtue of one or more functional layers based on a metal chosen from gold or silver.
摘要:
The invention relates to a glazing comprising a transparent glass substrate containing ions of at least one alkali metal and a transparent layer mad of silicon oxycarbide (SiOxCy) having a total thickness E with (a) a carbon-rich deep zone, extending from a depth P3 to a depth P4, where the C/Si atomic ratio is greater than or equal to 0.5, and (b) a carbon-poor surface zone, extending from a depth P1 to a depth P2, where the C/Si atomic ratio is less than or equal to 0.4, with P1
摘要:
A heating device equipped with a chamber defining a cavity, includes a door or wall incorporating a triple glazing including three transparent substrates defining, from the interior to the exterior of the cavity, faces numbered 1 to 6 respectively, at least the faces 1 and 2 of the first substrate and 3 and/or 4 of the second substrate being covered with heat-reflecting coatings, wherein the mean spacing e1 between the first substrate and the second substrate and the mean spacing e2 between the second substrate and the third substrate is different, the ratio between the largest spacing and the smallest spacing being greater than 1.1, and e1 and e2 being between 2 and 20 mm.
摘要:
A process for manufacturing a hydrophobic glazing by: (i) forming a carbon-rich SiOxCy layer at a surface of a mineral glass substrate via CVD by contacting the surface with a stream containing C2H4, SiH4, and CO2 with an C2H4/SiH4 ratio of less than or equal to 3.3 by volume, at a temperature of between 600° C. and 680° C.; (ii) forming a SiO2 layer or a carbon-poor silicon oxycarbide layer with a mean C/Si ratio of less than 0.2 on the carbon-rich SiOxCy layer, thereby obtaining a layered substrate; (iii) annealing and/or shaping the layered substrate at a temperature of between 580° C. and 700° C.; (iv) activating the SiO2 layer or the carbon-poor silicon oxycarbide layer by plasma treatment or acidic or basic chemical treatment; and (v) grafting, by covalent bonding, a fluorinated hydrophobic agent to the surface of the SiO2 layer or the carbon-poor silicon oxycarbide layer.
摘要:
A material includes a glass sheet coated on at least part of one of its faces with a stack of thin layers, the stack being coated on at least part of its surface with an enamel layer including zinc and less than 5% by weight of bismuth oxide, the stack further including, in contact with the enamel layer, a layer, called contact layer, which is based on an oxide, the physical thickness of the contact layer being at least 5 nm.
摘要:
The invention relates to a process for obtaining a material comprising a substrate coated on at least one part of at least one of its faces with at least one functional layer, said process comprising: a step of depositing the or each functional layer, then a step of depositing a sacrificial layer on said at least one functional layer, then a step of heat treatment by means of radiation chosen from laser radiation or radiation from at least one flash lamp, said radiation having at least one treatment wavelength between 200 and 2500 nm, said sacrificial layer being in contact with the air during this heat treatment step, then a step of removing the sacrificial layer using a solvent, said sacrificial layer being a monolayer and being such that, before heat treatment, it absorbs at least one part of said radiation at said at least one treatment wavelength and that, after heat treatment, it is capable of being removed by dissolution and/or dispersion in said solvent.