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    Process for the synthesis of hybrid allophane
    2.
    发明授权
    Process for the synthesis of hybrid allophane 有权

    公开(公告)号：US10512892B2

    公开(公告)日：2019-12-24

    申请号：US15323512

    申请日：2015-07-02

    申请人： COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

    发明人： Olivier Poncelet ,  Antoine Thill

    IPC分类号： B01J20/22 ,  B01J20/28 ,  B01J20/16 ,  B01J20/30 ,  B01J20/32 ,  C01B33/26

    摘要： A process for preparing hollow particles of aluminosilicates having a spherical shape of allophane type which are hybrid at the core, comprising: (a) having, at ambient temperature, an aqueous medium containing at least one aluminum precursor and one silicon alkoxide in an Al/Si molar ratio varying from 1 to 3, (b) carrying out, with stirring, the alkaline hydrolysis of said medium with gradual addition of at least one base in a base/Al molar ratio of 2.3 to 3, (c) maintaining, on conclusion of the addition of all of said base, stirring at ambient temperature until said medium is obtained in the clear state, and (d) heating the solution obtained at a temperature varying from 50 to 150° C. for 2 to 8 days, the combined stages (a) to (d) are carried out within a reactor consisting of a material which is chemically inert with respect to the reactants and expected aluminosilicate.

    Surface Treatment for a Layer Made From a Fluorinated Material to Make it Hydrophilic
    4.
    发明申请
    Surface Treatment for a Layer Made From a Fluorinated Material to Make it Hydrophilic 审中-公开
    由氟化材料制成的层的表面处理使其亲水

    公开(公告)号：US20150194620A1

    公开(公告)日：2015-07-09

    申请号：US14421665

    申请日：2013-08-12

    申请人： Commissariat a l'Energie Atomique et aux Energies Alternatives

    发明人： Mohammed Benwadih ,  Olivier Poncelet

    IPC分类号： H01L51/10 ,  H01L51/00 ,  H01L51/05

    CPC分类号： H01L51/107 ,  H01L51/0001 ,  H01L51/0508 ,  H01L51/0533

    摘要： The invention concerns a treatment method to make a surface of a layer made from a fluorinated material hydrophilic, a method for depositing a layer made from a metal or semi-conductive layer on the surface of a layer made from a fluorinated material, and a device comprising a layer made from a fluorinated material of which one surface has been treated by the treatment method of the invention, and a layer made from a metal material. The method of the invention comprises a step a) of depositing a layer of an oxo-hydroxide of an element from the alkaline earth metal group or from group II or III of the periodic table or of a rare earth or of a mixture of same, onto said surface. The method of the invention is applicable in the field of electronics, in particular.

    摘要翻译： 本发明涉及一种使由氟化材料制成的层的表面亲水化的处理方法，在由氟化材料制成的层的表面上沉积由金属或半导电层制成的层的方法和装置 包括由通过本发明的处理方法处理了一个表面的氟化材料制成的层和由金属材料制成的层。 本发明的方法包括以下步骤：a）从元素周期表的碱土金属组或II或III族中稀土元素或其混合物沉积元素的氧代氢氧化物层， 到所述表面上。 本发明的方法尤其适用于电子领域。

    Method for coloring cellulose
    5.
    发明授权
    Method for coloring cellulose 有权

    公开(公告)号：US10557231B2

    公开(公告)日：2020-02-11

    申请号：US15128001

    申请日：2015-03-19

    申请人： COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

    发明人： Aurélien Auger ,  Olivier Poncelet

    IPC分类号： D06P1/94 ,  D06P3/60 ,  D06P1/649 ,  D21H21/28 ,  D21C9/00 ,  C08B15/06

    摘要： A method for coloring of cellulose in a supercritical CO2 medium by an uncharged hydrophobic dye, including at least the steps including of: (i) provision of cellulose fibers, (ii) placing the cellulose fibers in the presence of: a) an effective quantity of at least one uncharged mono organo-urea primer of formula R—NH—CO—NH2, where R represents a linear or branched, saturated or unsaturated, hydrocarbon chain possessing at least 3 carbon atoms, or a saturated or unsaturated cyclic hydrocarbon radical, which is bonded directly or via a methylene or ethylene group to a nitrogen atom, and if appropriate substituted under conditions conducive to the forming of a covalent carbamatic bond between the cellulose and the molecules of the organo-urea; and b) at least one hydrophobic dye in a supercritical CO2 medium, under conditions conducive to the immobilization of the dye on the fibers.

    FORMATION OF BORON CARBIDE NANOPARTICLES FROM A BORON ALKOXIDE AND A POLYVINYL ALCOHOL
    6.
    发明申请
    FORMATION OF BORON CARBIDE NANOPARTICLES FROM A BORON ALKOXIDE AND A POLYVINYL ALCOHOL 审中-公开

    公开(公告)号：US20180065857A1

    公开(公告)日：2018-03-08

    申请号：US15692870

    申请日：2017-08-31

    申请人： COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

    发明人： Olivier Poncelet ,  Pascal Fugier ,  Jonathan Skrzypski

    IPC分类号： C01B32/991 ,  B01J13/00 ,  G21F1/06

    CPC分类号： C01B32/991 ,  B01J13/0065 ,  C01P2004/64 ,  G21F1/06

    摘要： The present invention relates to a process for the preparation of boron carbide nanoparticles, characterized in that it comprises at least the stages consisting in: (i) interacting boric acid, boron oxide B2O3 or a boric acid ester of B(OR)3 type, with R, which are identical or different, representing C1-4-alkyl groups, with 1 to 2 molar equivalents of at least one C2 to C4 polyol, under conditions favorable to the formation of a boron alkoxide powder; (ii) interacting, in an aqueous medium, the boron alkoxide powder obtained on conclusion of stage (i) with an effective amount of one or more completely hydrolyzed polyvinyl alcohols, with a molar mass of between 10 000 and 80 000 g.mol−1, under conditions favorable to the formation of a crosslinked PVA gel, and (iii) carrying out an oxidizing pyrolysis of the crosslinked gel formed on conclusion of the preceding stage (ii), under conditions favorable to the formation of the CB4 nanoparticles.