Composite materials based on vegetable materials
    11.
    发明授权
    Composite materials based on vegetable materials 有权
    基于植物材料的复合材料

    公开(公告)号:US06352610B1

    公开(公告)日:2002-03-05

    申请号:US09297573

    申请日:1999-05-03

    Abstract: A composite material is described which is characterized by a substrate based on vegetable materials, in particular vegetable fibers, vegetable fiber raw materials or vegetable fiber semifinished products, and by a nanocomposite which is in functional contact with said substrate and is obtainable by surface modification of a) colloidal inorganic particles with b) one or more silanes of the general formula (I) Rx—Si—A4−x  (I) where the radicals A are identical or different and are hydroxyl groups or groups which can be removed hydrolytically, except methoxy, the radicals R are identical or different and are groups which cannot be removed hydrolytically and x is 0, 1, 2 or 3, where x≧1 in at least 50 mol % of the silanes; under the conditions of the sol-gel process with a below-stoichiometric amount of water, based on the hydrolysable groups which are present, with formation of a nanocomposite sol, and further hydrolysis and condensation of the nanocomposite sol, if desired, before it is brought into contact with the substrate, followed by curing.

    Abstract translation: 描述了一种复合材料,其特征在于基于植物材料,特别是植物纤维,植物纤维原料或植物纤维半成品的基底,以及与所述基底功能接触的纳米复合材料,可通过表面改性 )胶体无机颗粒,b)一种或多种通式(I)的硅烷,其中基团A相同或不同,并且是羟基或可除去甲氧基的基团,基团R相同或不同,为基团 其不能水解除去,x是0,1,2或3,其中在至少50mol%的硅烷中x> = 1;在具有低于化学计量的水的溶胶 - 凝胶法的条件下,基于 在存在的可水解基团上形成纳米复合溶胶,并且如果需要,在纳米复合溶胶进入其中之前进一步水解和缩合纳米复合溶胶 ct与基材,然后固化。

    Colloidal metal oxides having blocked isocyanate groups
    12.
    发明授权
    Colloidal metal oxides having blocked isocyanate groups 失效
    具有封端异氰酸酯基团的胶体金属氧化物

    公开(公告)号:US5998504A

    公开(公告)日:1999-12-07

    申请号:US54590

    申请日:1998-04-03

    Abstract: The present invention relates to colloidal metal oxides having blocked isocyanate groups, which are based on the reaction product ofA) blocked isocyanate group-containing silanes corresponding to formula (I) ##STR1## wherein R represents hydrogen or an organic group having 1 to 40 carbon atoms,X, Y and Z represent identical or different organic groups having 1 to 30 carbon atoms which are inert to isocyanate groups below 100.degree. C., provided that at least one of these groups is a C.sub.1 -C.sub.4 -alkoxy group,Q represents an organic group which contains at least one isocyanate group reacted with a blocking agent andn is 2, 3 or 4 withB) colloidal metal oxides selected from Al, Si, Ti, Ta, W, Hf, Zr, Sn and Y.The present invention also relates to the use of modified metal oxides, either alone or in combination with compounds containing at least two isocyanate-reactive groups, for the preparation of optionally expanded polyurethane plastics, lacquers or coating agents.

    Abstract translation: 本发明涉及具有封端异氰酸酯基团的胶态金属氧化物,其基于A)封端异氰酸酯基硅烷对应于其中R表示氢或具有1至40个碳原子的有机基团的式(I)的反应产物, X,Y和Z表示相同或不同的具有1至30个碳原子的有机基团,其对于低于100℃的异氰酸酯基团是惰性的,条件是这些基团中的至少一个是C 1 -C 4 - 烷氧基,Q表示有机 含有至少一个与封闭剂反应的异氰酸酯基团的基团,n为2,3或4,B)选自Al,Si,Ti,Ta,W,Hf,Zr,Sn和Y的胶态金属氧化物。本发明 还涉及使用改性金属氧化物,单独或与含有至少两个异氰酸酯反应性基团的化合物组合,用于制备任选发泡的聚氨酯塑料,漆或涂层剂。

    SILANES
    14.
    发明申请
    SILANES 审中-公开
    锡兰

    公开(公告)号:US20100215959A1

    公开(公告)日:2010-08-26

    申请号:US11917964

    申请日:2006-10-26

    CPC classification number: C07F7/1804 Y10T428/2991

    Abstract: The present invention relates to silanes, in particular amphiphilic silanes, to processes for the preparation of the silanes, to the use thereof for the surface modification of particles, and to particles whose surface has been modified by means of the silanes.

    Abstract translation: 本发明涉及硅烷,特别是两亲硅烷,用于制备硅烷的方法,其用于颗粒表面改性的用途,以及表面已经通过硅烷改性的颗粒。

    Nanostructured forms and layers and method for producing them using stable water-soluble precursors
    18.
    发明授权
    Nanostructured forms and layers and method for producing them using stable water-soluble precursors 有权
    纳米结构形式和层以及使用稳定的水溶性前体制备它们的方法

    公开(公告)号:US06620514B1

    公开(公告)日:2003-09-16

    申请号:US09647971

    申请日:2000-10-06

    Abstract: A process for preparing a composition for producing nanostructured mouldings and layers comprises contacting an aqueous and/or alcoholic sol of a compound of an element selected from silicon sand metals of the main groups and transition groups of the Periodic Table with species possessing hydrolysable alkoxy groups and comprising at least one organically modified alkoxysilane or a precondensate derived therefrom, under conditions which lead to (further) hydrolysis of the species, and subsequent removal of the alcohol formed and any alcohol already present originally. The process is characterized in that the alcohol is removed in an amount such that the residual alcohol content of the composition is not more than 20% by weight.

    Abstract translation: 制备纳米结构模制品和层的组合物的方法包括使选自主体的硅砂金属和周期表的过渡基团的元素的化合物的水溶液和/或醇溶胶与具有可水解烷氧基的物质接触, 包括至少一种有机改性的烷氧基硅烷或由其衍生的预缩合物,在导致(进一步)水解该物质的条件下,随后除去所形成的醇和任何已经存在的醇。 该方法的特征在于,以使得组合物的残余醇含量不超过20重量%的量除去醇。

    Foundry binder
    19.
    发明授权
    Foundry binder 有权
    铸造粘合剂

    公开(公告)号:US06378599B1

    公开(公告)日:2002-04-30

    申请号:US09297572

    申请日:1999-05-03

    Abstract: A foundry binder is obtainable by surface modification of a) colloidal inorganic particles with b) one or more silanes of the general formula (I) Rx—Si—A4−x  (I) where the radicals A are identical or different and are hydroxyl groups or groups which can be removed hydrolytically, except methoxy, the radicals R are identical or different and are groups which cannot be removed hydrolytically and x is 0, 1, 2 or 3, where x≧1 in at least 50 mol % of the silanes; under the conditions of the sol-gel process with a below-stoichiometric amount of water, based on the hydrolysable groups which are present, with formation of a nanocomposite sol, and further hydrolysis and condensation of the nanocomposite sol, if desired, before it is brought into contact with the foundry sand.

    Abstract translation: 一种铸造粘结剂可以通过a)胶体无机颗粒的表面改性获得,b)一种或多种通式(I)的硅烷,其中基团A相同或不同,并且是羟基或水解除外的基团,除了甲氧基, 基团R相同或不同,并且是不能被水解除去的基团,x是0,1,2或3,其中在至少50mol%的硅烷中x> = 1;在溶胶 - 凝胶法与 基于存在的可水解基团,形成纳米复合溶胶的低于化学计算量的水,并且如果需要,在与铸造砂接触之前,进一步水解和缩合纳米复合溶胶。

    Method for providing a metal surface with a vitreous layer
    20.
    发明授权
    Method for providing a metal surface with a vitreous layer 有权
    提供具有玻璃质层的金属表面的方法

    公开(公告)号:US6162498A

    公开(公告)日:2000-12-19

    申请号:US402742

    申请日:1999-10-08

    Abstract: Disclosed is a process for providing a metallic surface with a vitreous layer which is both decorative and scratch resistant and corrosion inhibiting. Said process is characterized in that a coating composition which is obtainable by a process comprising the hydrolysis and polycondensation of one or more silanes of the general formula (I)R.sub.n SiX.sub.4-n (I)wherein the groups X, the same or different from each other, are hydrolyzable groups or hydroxyl groups, the radicals R, the same or different from each other, represent hydrogen, alkyl, alkenyl or alkynyl groups having up to 12 carbon atoms and aryl, aralkyl and alkaryl groups having 6 to 10 carbon atoms, and n is 0, 1 or 2, provided that at least one silane with n=1 or 2 is employed, or oligomers derived therefrom, in the presence ofa) nanoscaled SiO.sub.2 particles and/orb) at least one compound selected from the group consisting of the oxides and hydroxides of the alkali and alkaline earth metals;is applied onto said metallic surface and the resulting coating is thermally densified to form a vitreous layer.

    Abstract translation: PCT No.PCT / EP98 / 02076 Sec。 371 1999年10月8日第 102(e)1999年10月8日PCT PCT 1998年4月9日PCT公布。 公开号WO98 / 45502 日期1998年10月15日公开是为金属表面提供玻璃质层的方法,其具有装饰性和耐刮擦性和腐蚀抑制性。 所述方法的特征在于,通过包括通式(I)的R 1 SiX 4-n(I)的一种或多种硅烷的水解和缩聚的方法获得的涂料组合物,其中基团X彼此相同或不同 是可水解基团或羟基,基团R彼此相同或不同,表示具有至多12个碳原子的氢,烷基,烯基或炔基和具有6至10个碳原子的芳基,芳烷基和烷芳基,以及 n是0,1或2,条件是在a)纳米尺度的SiO 2颗粒和/或b)存在下,使用至少一种n = 1或2的硅烷或由其衍生的低聚物,或b)至少一种选自以下的化合物 由碱金属和碱土金属的氧化物和氢氧化物组成; 施加到所述金属表面上,并将所得涂层热致密化以形成玻璃质层。

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