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    • 1. 发明授权
    • Composite materials
    • 复合材料
    • US06187426B1
    • 2001-02-13
    • US09297574
    • 1999-05-03
    • Gerhard JonschkerMartin MennigHelmut SchmidtRainer Angenendt
    • Gerhard JonschkerMartin MennigHelmut SchmidtRainer Angenendt
    • D04H100
    • C04B28/24C03C14/002C03C14/004C03C2214/32C04B2111/28C08G83/001Y02W30/97Y10T428/249924C04B18/26C04B24/42C04B40/0263C04B2103/54C04B2103/63
    • A composite material is described which is characterized by a substrate based on glass fibers, mineral fibers or derived timber 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.
    • 描述了一种复合材料,其特征在于基于玻璃纤维,矿物纤维或衍生的木材产品的基底和与所述基底功能接触的纳米复合材料,并且可通过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,并且是不能被水解并且x是0的基团 ,1,2或3,其中在至少50mol%的硅烷中x> = 1;在具有低于化学计算量的水的溶胶 - 凝胶法的条件下,基于存在的可水解基团, 形成纳米复合溶胶,并且如果需要,在与基底接触之前,进一步水解和缩合纳米复合溶胶,然后固化。