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1. 发明公开

EP4194425A1 ECO-FRIENDLY SIMPLE PROCESSING OF PURE ALKALI SILICATE CONSTRUCTION PARTS BASED ON WATER-GLASS 无效
公开(公告)号：EP4194425A1
公开(公告)日：2023-06-14
申请号：EP21213400.1
申请日：2021-12-09
申请人： Technische Universität Berlin
发明人： YANG, Liu , FLECK, Claudia , GÖRKE, Oliver
IPC分类号： C04B35/16 , C04B28/26 , C04B38/00 , B01J13/00 , C01B33/141 , C01B33/152 , C01B33/158 , C04B35/622 , C04B35/626 , C04B35/634 , B33Y10/00 , B33Y70/00 , C04B35/76 , C04B35/80 , C04B35/82 , C04B35/624 , C04B111/28
摘要： In a first aspect, the invention relates to a method of making a porous or non-porous three-dimensional structure. To this end, a silicate-water solution is first formed and then contacted with a first alcohol, whereby a gel can be provided. Thereafter, the gel is transferred to an additive manufacturing apparatus and a build part is created Finally, drying and/or heat treatment takes place, in particular to obtain a desired porosity and/or phase composition.
In a further aspect, the invention relates to a porous or non-porous three-dimensional structure produced according to the process of the invention.
In an additional aspect, the invention relates to a use of the porous or non-porous three-dimensional structure. The porous parts or a hierarchical porous part can be used as a bone implant, in tissue engineering, for thermal insulation, fire prevention, heat protection, gas or blood filters, light weight parts and/or catalyst supports or other scenarios where the porosity is necessary. The non-porous parts can be used as packaging, construction parts or other scenarios where the pores should be avoided.

2. 发明授权

EP3009398B1 SILICA SOL AND METHOD FOR PRODUCING SILICA SOL 有权转让
公开(公告)号：EP3009398B1
公开(公告)日：2022-07-27
申请号：EP14810400.3
申请日：2014-06-05
发明人： YOSHITAKE, Keiko , SUEMURA, Naohiko , SHIMADA, Megumi , KIKUNAGA, Ichitaro
IPC分类号： C01B33/14 , C01B33/141 , C01B33/145

3. 发明授权

EP3284719B1 METHOD FOR MANUFACTURING SILICA AEROGEL-CONTAINING BLANKET 有权
公开(公告)号：EP3284719B1
公开(公告)日：2021-07-07
申请号：EP16780217.2
申请日：2016-03-28
发明人： OH, Kyoung Shil , KIM, Mi Ri , LEE, Je Kyun
IPC分类号： C01B33/14 , C01B33/141 , C01B33/145 , C01B33/155 , C01B33/158

4. 发明公开

EP3296263A1 METHOD AND APPARATUS FOR PRODUCING AEROGEL SHEET 有权
标题翻译：用于生产AIRGEL片材的方法和设备
公开(公告)号：EP3296263A1
公开(公告)日：2018-03-21
申请号：EP17741636.9
申请日：2017-01-17
申请人： LG Chem, Ltd.
发明人： KIM, Ye Hon , LEE, Je Kyun , OH, Kyoung Shil
IPC分类号： C01B33/158 , C01B33/141 , C01B33/152 , B65H3/08 , B65H37/00
CPC分类号： B01J13/0091 , B01J13/0056 , B01J13/0082 , B41N10/02 , B65H3/08 , B65H37/00 , C01B33/141 , C01B33/152 , C01B33/158 , C01B33/1585
摘要： A method for manufacturing an aerogel sheet according to the present invention includes: a step (a) of preparing a blanket having a plate shape; a step (b) of mixing silica sol with gelling catalyst to prepare a silica sol precursor; and a step (c) of injecting the silica sol precursor prepared in the step (b) to a surface of the blanket prepared in the step (a) through an injection device to gelate the silica sol precursor, wherein, in the step (c), the injection device injects the silica sol precursor while moving from one side to the other side of the surface of the blanket.
摘要翻译：根据本发明的用于制造气凝胶片材的方法包括：准备具有板形状的橡皮布的步骤（a）将硅溶胶与凝胶化催化剂混合以制备硅溶胶前体的步骤（b）; （c）通过注入装置将步骤（b）中制备的硅溶胶前体注入到步骤（a）中制备的橡皮布的表面以使硅溶胶前体凝胶化，其中在步骤（c）中，）时，注入装置在从橡皮布表面的一侧移动到另一侧的同时注入硅溶胶前体。

5. 发明公开

EP3287416A1 METHOD AND APPARATUS FOR PRODUCING AEROGEL SHEET 有权
标题翻译：用于生产AIRGEL片材的方法和设备
公开(公告)号：EP3287416A1
公开(公告)日：2018-02-28
申请号：EP17741634.4
申请日：2017-01-17
申请人： LG Chem, Ltd.
发明人： KIM, Ye Hon , LEE, Je Kyun , OH, Kyoung Shil
IPC分类号： C01B33/158 , C01B33/141 , C01B33/152 , B65H37/00
CPC分类号： C01B33/152 , B29B15/122 , B29C39/00 , B65H37/00 , C01B33/141 , C01B33/158 , C01B33/1585 , C01B33/159 , F16L59/026 , F16L59/06
摘要： The present invention relates to a method for manufacturing an aerogel sheet. The method for manufacturing an aerogel sheet includes: a step (a) of preparing silica sol; a step (b) of preparing a gelling catalyst; a step (c) of injecting the silica sol, which is prepared in the step (a), to a surface of a blanket to impregnate the silica sol; and a step (d) of injecting the gelling catalyst, which is prepared in the step (b), to the surface of the blanket, into which the silica sol is impregnated, to gelate the silica sol.
摘要翻译：本发明涉及一种制造气凝胶片的方法。制造气凝胶片的方法包括：制备硅溶胶的步骤（a）制备凝胶化催化剂的步骤（b）; 将步骤（a）中制备的硅溶胶注入橡皮布的表面以浸渍硅溶胶的步骤（c）; 和将在步骤（b）中制备的胶凝催化剂注入其中浸渍有硅溶胶的橡皮布的表面以使硅溶胶凝胶化的步骤（d）。

6. 发明公开

EP3168191A1 METHOD FOR PRODUCING PURIFIED ACTIVE SILICIC ACID SOLUTION AND SILICA SOL 有权转让
标题翻译：生产纯化活性硅酸溶液和硅溶胶的方法
公开(公告)号：EP3168191A1
公开(公告)日：2017-05-17
申请号：EP16204020.8
申请日：2012-09-14
申请人： Nissan Chemical Industries, Ltd.
发明人： Ema, Kiyomi , Takakuma, Noriyuki , Nishimura, Tohru , Kawashita, Naoki , Yamaguchi, Kouji
IPC分类号： C01B33/141 , C01B33/143 , C01B33/148 , C09K3/14 , C09K13/04
CPC分类号： C09K3/1463 , C01B33/1412 , C01B33/1435 , C01B33/1485 , C09K13/04
摘要： There is provided a method for producing an active silicic acid solution in which the existing amount of foreign matters as plate-like fine particles is reduced and a method for producing a silica sol in which such foreign matters are reduced. A method for producing an active silicic acid solution fulfilling the following condition: (1) the existing amount of plate-like fine particles having a length of one side of 0.2 to 4.0 µm and a thickness of 1 to 100 nm is measured to be 0% to 30% in accordance with measuring method A, the method characterized by including the steps of: preparing an active silicic acid solution by subjecting an alkali silicate aqueous solution having a silica concentration of 0.5% by mass to 10.0% by mass to cation-exchange to remove alkaline components; and filtering the active silicic acid solution through a filter whose removal rate of particles having a primary particle size of 1.0 µm is 50% or more, and whose filtering rate is 13 L/min to 400 L/min per 1 m 2 of the filtration area of the used filter.
摘要翻译：本发明提供一种活性硅酸溶液的制造方法，该活性硅酸溶液中减少了作为板状微粒的异物的存在量，并且提供了减少这种异物的二氧化硅溶胶的制造方法。满足以下条件的活性硅酸溶液的制造方法：（1）将一边的长度为0.2〜4.0μm，厚度为1〜100nm的板状微粒的存在量设为0 所述方法的特征在于包括以下步骤：通过将具有二氧化硅浓度为0.5质量％至10.0质量％的碱金属硅酸盐水溶液进行阳离子聚合来制备活性硅酸溶液，交换去除碱性成分; 并且通过过滤器对活性硅酸溶液进行过滤，所述过滤器的一次粒径为1.0μm的颗粒的去除率为50％以上，过滤速度为13L / min〜400L / min / 的过滤器。

7. 发明公开

EP3074343A1 STABLE AQUEOUS COLLOIDAL SILICA PRODUCT, AND METHODS TO MAKE AND USE SAME 有权转让
标题翻译：稳定的水性胶体二氧化硅产品和方法进行生产及其用途
公开(公告)号：EP3074343A1
公开(公告)日：2016-10-05
申请号：EP14864844.7
申请日：2014-10-08
申请人： Ecolab USA Inc.
发明人： LI, Minghua , WONG SHING, Jane B. , MILLER, Raymond D.Jr.
IPC分类号： C01B33/141
CPC分类号： D21H21/10 , C01B33/1435 , C01P2006/12 , C01P2006/22 , D21H17/13
摘要： An aqueous colloidal silica product, a method of using the aqueous colloidal silica product, and a method of producing an aqueous colloidal silica product, are disclosed. The method of producing the aqueous colloidal silica product incorporates semi-batch addition of alkali metal silicate, which is capable of achieving an aqueous colloidal silica product having desirable physical and chemical characteristics. The aqueous colloidal silica product has been found to be particularly useful as an additive in a papermaking process.

8. 发明公开

EP3009398A1 SILICA SOL AND METHOD FOR PRODUCING SILICA SOL 有权转让
标题翻译：硅溶胶及其制造方法的硅溶胶
公开(公告)号：EP3009398A1
公开(公告)日：2016-04-20
申请号：EP14810400.3
申请日：2014-06-05
申请人： Nissan Chemical Industries, Ltd.
发明人： YOSHITAKE, Keiko , SUEMURA, Naohiko , SHIMADA, Megumi , KIKUNAGA, Ichitaro
IPC分类号： C01B33/14 , C01B33/141 , C01B33/145
CPC分类号： C01B33/145 , C01B33/141
摘要： The present invention addresses the problem of providing a silica sol which has excellent moisture adsorption resistance and stability, has high purity, and does not undergo discoloration when used in a solvent or a resin. The silica sol according to the present invention is characterized by comprising high-purity silica particles which satisfy the requirements (a) to (c) mentioned below and a medium which comprises water and/or a liquid organic medium and in which the silica particles are dispersed, and is also characterized in that an organic basic compound is contained in the silica sol: (a) the silica sol has a specific surface area of 20 to 500 m 2 /g as determined by a nitrogen adsorption method; (b) the amount of moisture adsorbed per a specific surface area of the silica particles is 0.5 mg/m 2 or less; and (c) each of the silica particles does not substantially contain an organic basic compound in the inside thereof.

9. 发明公开

EP2556021A4 SILICA PARTICLE MANUFACTURING PROCESS 有权
标题翻译：用于生产硅颗粒
公开(公告)号：EP2556021A4
公开(公告)日：2015-12-09
申请号：EP11766615
申请日：2011-04-06
申请人： NALCO CO
发明人： KEISER BRUCE A , ERGANG NICHOLAS S , MIMNA RICHARD , SHOWALTER BRETT M
IPC分类号： C01B33/18 , C01B33/141
CPC分类号： C01B33/18 , C01B33/1415 , C01P2006/12 , C01P2006/14 , C01P2006/16
摘要： Methods of forming a silica-based products are disclosed. One method comprises: (a) providing a silica containing precursor (SCP) contained in solution that has a pH less than or equal to a pH of 7; (b) optionally doping the SCP with one or more metal species, wherein said doping occurs when the solution has a pH less than or equal to a pH of 7; (c) adjusting the pH of the solution to greater than 7; (d) adding an effective amount of salt to the solution so that the conductivity of the solution is greater than or equal to 4 mS, wherein said addition occurs prior to, simultaneous with, or after the pH adjustment in step 1c; (e) optionally filtering and drying the SCP; and (f) optionally reacting the dried product from step e with a functional group and optionally wherein the resultant functionalized dried product is at least one of the following: a functionalized metal oxide-doped or metal sulfide-doped silica product. Another method comprises: (a) providing a silica containing precursor (SCP) contained in solution that has a pH greater than 7; (b) adjusting the pH of the solution to less than or equal to 7; (c) optionally doping the SCP with one or more metal species, wherein said doping occurs when the solution has a pH less than or equal to a pH of 7; (d) adjusting the pH of the solution to greater than 7; (e) adding an effective amount of salt to the solution so that the conductivity of the solution is greater than or equal to 4 mS, wherein said addition occurs prior to, simultaneous with, or after the pH adjustment in step 2d; (f) optionally filtering and drying the SCP; and (g) optionally reacting the dried product from step f with a functional group and optionally wherein the resultant functionalized dried product is at least one of the following: a functionalized metal oxide-doped or metal sulfide-doped silica product.

10. 发明公开

EP2537804A4 METHOD FOR PRODUCING INORGANIC OXIDE PARTICLES 有权转让
标题翻译： METHOD FOR PRODUCING无机氧化物粒子
公开(公告)号：EP2537804A4
公开(公告)日：2015-10-21
申请号：EP11744831
申请日：2011-02-18
申请人： TOKUYAMA CORP
发明人： MAEHARA TAKAYUKI , KOMATSUBARA TADAHARU , YAMANO YUUYA , ISHIZU KENICHI , SATOU MAKOTO , TAIRA HIROAKI , KATO HIROSHI
IPC分类号： C01B33/18 , C01B13/32 , C01B13/36 , C01B33/141 , C01B33/146 , C01B33/148 , C01B33/154 , C01G23/04 , C01G25/02 , C07F7/08 , C07F7/10
CPC分类号： C01B33/146 , C01B13/36 , C01B13/363 , C01B33/141 , C01B33/148 , C01B33/154 , C01B33/18 , C01G23/04 , C01G25/02 , C01P2004/52 , C01P2004/62 , C01P2004/64 , C07F7/08 , C07F7/10 , C09C1/3081
摘要： The present invention relates to a method for producing inorganic oxide particles, comprising at least the following steps of: coagulating a dispersion obtained by carrying out the hydrolysis reaction and the polycondensation reaction of a metal alkoxide in the presence of a basic catalyst; filtering the dispersion to obtain particles; and drying the particles, wherein the step of coagulating the dispersion is carried out by adding a coagulant comprising at least one compound selected from the group consisting of carbon dioxide, ammonium carbonate, ammonium hydrogen carbonate and ammonium carbamate to the dispersion. The inorganic oxide particles obtained by the method of the present invention have high purity and are excellent in flowability.

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