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    • 3. 发明授权
    • Method for making flat gaskets
    • 平垫圈的制作方法
    • US4720316A
    • 1988-01-19
    • US880709
    • 1986-07-01
    • Eugen Ruoff
    • Eugen Ruoff
    • C08J3/24C09K3/10F02B51/02F02F11/00F16J15/12B32B31/14
    • C08J3/24C09K3/1028F02F11/002F16J15/122C08J2383/04C09K2200/0239C09K2200/0612C09K2200/0685C09K2200/0692F02B51/02Y02T10/126
    • Method for making flat gaskets with a soft material layer on a sheet or plate-like support, comprising the following method steps:applying a soft material mass comprising fillers and a binder as soft material layer onto the support,if need be, compacting and/or drying the coated support,impregnating this flat material with impregnating agents containing polysiloxanes which may be cross-linked by means of catalysts,and, if need be, subsequently after-treating the impregnated sheet or plate by processes such as, for example, curing.In order to so improve such a method that impregnating agents with a substantially longer pot life may be used, but as the same time the cross-linking reaction of the impregnating agent applied occurs sufficiently speedily and completely, it is proposed that the catalyst be added to the soft material mass prior to or during application onto the support, with the catalyst being distributed substantially homogeneously in the soft material layer formed and exhibiting an inert reaction towards its constituents, in particular, towards the binder emulsion, and that the soft material layer on the support already containing the catalyst be impregnated with polysiloxanes.
    • 在片状或板状载体上制作具有柔软材料层的扁平垫片的方法,包括以下方法步骤:将包含填料和粘合剂的粘合剂的软质材料作为软质材料层施加到载体上,如果需要,压实和/ 或干燥涂覆的载体,用含有可通过催化剂交联的聚硅氧烷的浸渍剂浸渍该扁平材料,并且如果需要,则随后通过以下方法对浸渍的片材或板进行后处理:例如固化 。 为了改善这样的方法,可以使用具有较长适用期的浸渍剂,但是同时施加的浸渍剂的交联反应同时发生得足够快速且完全,因此提出添加催化剂 在施加到载体之前或施加到载体上的软质材料块中,催化剂基本均匀地分布在形成的软材料层中,并且对其组分,特别是朝向粘合剂乳液呈现惰性反应,并且软材料层 在已经含有催化剂的载体上用聚硅氧烷浸渍。