利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

4 条记录 (耗时 0.007 秒)

    INORGANIC MESOPOROUS MATERIALS WITH CHIRAL NEMATIC STRUCTURES AND PREPARATION METHOD THEREOF
    1.
    发明公开
    INORGANIC MESOPOROUS MATERIALS WITH CHIRAL NEMATIC STRUCTURES AND PREPARATION METHOD THEREOF 审中-公开
    ANORGANISCHEMESOPORÖSEMATERIALIEN麻醉师CHIRALEN NEMATISCHEN STRUKTUREN SOWIE HERSTELLUNGSVERFAHRENDAFÜR

    公开(公告)号：EP2556019A4

    公开(公告)日：2016-12-14

    申请号：EP11764971

    申请日：2011-03-30

    申请人： FPINNOVATIONS

    发明人： MACLACHLAN MARK JOHN ,  SHOPSOWITZ KEVIN ERIC ,  HAMAD WADOOD YASSER ,  QI HAO

    IPC分类号： C01B33/12 ,  B01D67/00 ,  B01D71/02 ,  C01B33/16 ,  C01B37/00 ,  C01G17/02 ,  C01G19/02 ,  C08J9/28 ,  C08K3/36 ,  C08L1/02 ,  C09K19/02 ,  C09K19/52

    CPC分类号： C09K19/02 ,  B01D67/0048 ,  B01D67/0058 ,  B01D71/027 ,  B01D2325/025 ,  B01D2325/44 ,  C01B33/12 ,  C01B37/00 ,  C01G17/02 ,  C01G19/02 ,  C09K19/52

    摘要： The present invention describes a composition and a method for producing mesoporous silica materials with a chiral organization. In the method, a polymerizable inorganic monomer is reacted in the presence of nanocrystalline cellulose (NCC) to give a material of inorganic solid with cellulose nanocrystallites embedded in a chiral nematic organization. The NCC can be removed to give a stable porous structure that retains the chiral organization of the NCC template. The new materials may be obtained as iridescent free-standing films with high surface area. Through control of the reaction conditions, the color of the films can be varied across the entire visible spectrum. These are the first materials to combine mesoporosity with long-range chiral ordering that leads to photonic properties. Examples of possible applications of the materials are: lightweight reinforcement materials, low k dielectric materials, tunable reflective filters, adsorbents, stationary phases for chromatography of chiral or achiral substances, supports for catalysts (e.g., for asymmetric synthetic transformations), and as a template to generate other new porous materials (e.g., porous carbon or porous metals), preferably with chiral nematic structures.

    摘要翻译： 本发明描述了一种具有手性组织的制备介孔二氧化硅材料的组合物和方法。 在该方法中，可聚合无机单体在纳米晶体纤维素（NCC）的存在下反应，得到嵌入手性向列组织中的纤维素纳米晶的无机固体材料。 可以去除NCC以产生保持NCC模板的手性组织的稳定的多孔结构。 新材料可以作为具有高表面积的彩虹色自立膜获得。 通过控制反应条件，可以在整个可见光谱范围内改变膜的颜色。 这些是将介孔与长距离手性排序结合起来产生光子性质的第一种材料。 材料可能应用的例子有：轻质增强材料，低k电介质材料，可调谐反射滤光片，吸附剂，手性或非手性物质层析固定相，催化剂载体（例如，用于不对称合成转化）和作为模板 以产生其它新的多孔材料（例如，多孔碳或多孔金属），优选具有手性向列结构。

    CHIRAL OR ACHIRAL, MESOPOROUS CARBON
    3.
    发明公开
    CHIRAL OR ACHIRAL, MESOPOROUS CARBON 有权
    HALBPORÖSERCHIRALER ODER ACHIRALER KOHLENSTOFF

    公开(公告)号：EP2707327A4

    公开(公告)日：2014-12-03

    申请号：EP12782474

    申请日：2012-05-10

    申请人： FPINNOVATIONS INC

    发明人： MACLACHLAN MARK JOHN ,  SHOPSOWITZ KEVIN ERIC ,  HAMAD WADOOD YASSER

    IPC分类号： C01B31/00 ,  C01B31/02 ,  C04B35/524 ,  C09K19/00 ,  C09K19/02 ,  C09K19/38

    CPC分类号： C01B31/02 ,  C01B32/05 ,  C01P2006/12 ,  C04B35/532 ,  C04B38/0022 ,  C04B2235/3418 ,  C04B2235/48 ,  C09K19/02 ,  C09K19/3819 ,  C04B35/52 ,  C04B38/0054 ,  C04B38/04

    摘要： A composition and a method for producing mesoporous carbon materials with a chiral or achiral organization. In the method, a polymerizable inorganic monomer is reacted in the presence of nanocrystalline cellulose to give a material of inorganic solid with cellulose nanocrystallites organized in a chiral nematic organization. The cellulose can be carbonized through thermal treatment under inert atmosphere (e.g., nitrogen or argon) and the silica may subsequently be removed using aqueous solutions of sodium hydroxide (NaOH) or hydrogen fluoride (HF) to give the stable mesoporous carbon materials that retain the chiral nematic structure of the cellulose. These materials may be obtained as free-standing films with very high surface area. Through control of the reaction conditions the pore-size distribution may be varied from predominantly microporous to predominantly mesoporous materials. These are the first materials to use cellulose as both the structural template and carbon source for a mesoporous carbon material. These are also the first carbon materials to combine mesoporosity with long-range chiral ordering. Possible applications for these materials include: charge storage devices (e.g. supercapacitors and anodes for Li-ion batteries), adsorbents, gas purifiers, light-weight nanocomposite materials, catalyst supports (e.g., for chiral transformations), gas storage, and as a hard-template to generate other materials, preferably with chiral structures.

    摘要翻译： 一种用手性或非手性组织制备介孔碳材料的组合物和方法。 在该方法中，可聚合无机单体在纳米晶体纤维素的存在下反应，得到以手性向列组织组织的纤维素纳米微晶的无机固体材料。 纤维素可以通过在惰性气氛（如氮气或氩气）下进行热处理来碳化，随后可以使用氢氧化钠（NaOH）或氟化氢（HF）的水溶液除去二氧化硅，得到稳定的介孔碳材料， 纤维素的手性向列结构。 这些材料可以作为具有非常高的表面积的自立膜获得。 通过控制反应条件，孔径分布可以从主要是微孔到主要介孔的材料变化。 这些是使用纤维素作为介孔碳材料的结构模板和碳源的第一种材料。 这些也是将中孔结合与长距离手性排序相结合的第一种碳材料。 这些材料的可能应用包括：电荷存储设备（例如锂离子电池的超级电容器和阳极），吸附剂，气体净化器，轻质纳米复合材料，催化剂载体（例如用于手性转化），储气和作为硬 以生成其他材料，优选用手性结构。

    MESOPOROUS SILICA AND ORGANOSILICA MATERIALS AND PROCESS FOR THEIR PREPARATION
    4.
    发明公开
    MESOPOROUS SILICA AND ORGANOSILICA MATERIALS AND PROCESS FOR THEIR PREPARATION 审中-公开
    介孔二氧化硅和有机硅材料及其生产方法

    公开(公告)号：EP2707135A4

    公开(公告)日：2014-11-05

    申请号：EP12781937

    申请日：2012-05-11

    申请人： FPINNOVATIONS

    发明人： MACLACHLAN MARK JOHN ,  SHOPSOWITZ KEVIN ERIC ,  HAMAD WADOOD YASSER

    IPC分类号： B01J20/10 ,  B01J20/22 ,  B01J20/24 ,  B01J20/28 ,  B01J20/283 ,  B01J20/30 ,  C01B33/12 ,  C09K19/02 ,  C09K19/38 ,  C09K19/52

    CPC分类号： C01B33/126 ,  B01J20/10 ,  B01J20/103 ,  B01J20/24 ,  B01J20/28083 ,  B01J20/283 ,  B01J20/305 ,  B01J20/3078 ,  C01B33/124 ,  C01P2006/16 ,  C09K19/02 ,  C09K19/3819 ,  C09K19/52 ,  C09K2019/521

    摘要： In this invention, we disclose a method as well as silica and/or organosilica mesoporous materials obtained by templating using nanocrystalline cellulose and removal of the latter using acidic conditions. The resultant mesoporous silica materials are characterized by having high surface area with tunable iridescence resulting from the long-range chiral nematic organization. This invention is an improvement over the formation of composite materials formed with nanocrystalline cellulose (NCC) and silica, where the calcination of the materials led to removal of the cellulose and formation of a mesoporous silica material. Characteristically, the removal of the NCC template using acidic conditions differentiates the silica materials thus obtained in two ways: (1) It does not lead to as significant contraction of the materials as from calcination thereby giving access to materials with larger mesopores; and (2) it allows the formation of mesoporous chiral nematic compositions that include heat-sensitive components. This approach may be used to prepare the first example of a mesoporous organosilica material with a chiral nematic pore structure. Examples of possible applications of this material include optical filters, adsorbents, chiral stationary phases for chromatography, sensors, composite materials, membranes, and templates for creating other chiral materials.

    摘要翻译： 在本发明中，我们公开了一种方法以及通过使用纳米晶体纤维素模板化和通过酸性条件去除后者而获得的二氧化硅和/或有机二氧化硅介孔材料。 所得到的介孔二氧化硅材料的特征在于具有高的表面积，由长程手性向列组织产生的可调谐的虹彩。 本发明是对由纳米晶体纤维素（NCC）和二氧化硅形成的复合材料的形成的改进，其中材料的煅烧导致纤维素的去除和中孔二氧化硅材料的形成。 特征上，使用酸性条件去除NCC模板可以通过两种方式区分所得到的二氧化硅材料：（1）它不会导致材料与煅烧显着的收缩，从而使得具有较大介孔的材料; 和（2）它允许形成包括热敏组分的介孔手性向列组合物。 该方法可用于制备具有手性向列孔结构的介孔有机硅材料的第一实施例。 该材料的可能应用的实例包括光学过滤器，吸附剂，用于色谱的手性固定相，传感器，复合材料，膜和用于产生其它手性材料的模板。