HYDROLYSESTABILES POLYURETHAN ZUR BESCHICHTUNG VON ELEMENTEN IN MARITIMEN ANWENDUNGEN
    23.
    发明公开
    HYDROLYSESTABILES POLYURETHAN ZUR BESCHICHTUNG VON ELEMENTEN IN MARITIMEN ANWENDUNGEN 有权
    水滑石POLYURETHAN ZUR BESCHICHTUNG VON ELEMENTEN MARITIMEN ANWENDUNGEN

    公开(公告)号:EP2931773A1

    公开(公告)日:2015-10-21

    申请号:EP13798680.8

    申请日:2013-12-03

    Applicant: BASF SE

    Abstract: The invention relates to a method for producing polyurethane-coated line elements and the use thereof preferably in maritime environments. In said method, (a) a mixture of aromatic and aliphatic polyisocyanate is mixed with (b) at least one polymer compound having at least two isocyanate-reactive hydrogen atoms, (c) chain extending agents having a functionality of 2 to 4 and a hydroxyl number of 500 to 2500 mg KOH/g, (d) catalyst, and (e) optionally, other auxiliary agents and/or additives, to obtain a reaction mixture, and the reaction mixture is directly or indirectly applied to a suitable substrate and is allowed to finish reacting to obtain a polyurethane layer, the chain extender characteristic KV of isocyanates (a) and of all isocyanate-reactive compounds of components (b) to (e) according to formula (1) being 1 to 100, where M(aromat. Isocyanat) is the weight ratio (in wt%) of the aromatic isocyanate in relation to the sum of the total weight of the isocyanate used and isocyanate-reactive compounds of components (b) to (e), NCO(aromat.Isocyanat) is the NCO content (in wt%) of the aromatic isocyanate, and M(Kettenverlängerer) is the weight ratio (in wt%) of the chain extender in relation to the sum of the total weight of the isocyanate used and the isocyanate-reactive compounds in components (b) to (e). The invention further relates to line elements obtainable according to a method of this kind.

    Abstract translation: 生产聚氨酯涂覆的导电元件包括​​(i)混合(a)芳族和脂族多异氰酸酯的混合物与(b)至少一种聚合物,(c)扩链剂,(d)催化剂和(e) 试剂和/或添加剂以形成反应混合物,(ii)将反应混合物施加到导电元件上,和(iii)与聚氨酯层反应或(ia)进行步骤(i),(i)提供反应混合物 进入模具并硬化成模制部件,和(ii)去除模制部件并施加到导电元件。 生产聚氨酯涂覆的导电元件包括​​(i)将(a)芳族和脂族多异氰酸酯的混合物与(b)至少一种包含至少两个异氰酸酯反应性氢原子的聚合化合物,(c)扩链剂,(d )催化剂和(e)任选的另外的助剂和/或添加剂以形成反应混合物,(ii)将反应混合物施加到导电元件上,和(iii)与聚氨酯层反应或(ia)进行步骤(i ),(i)将反应混合物提供到模具中并硬化成模制部件,和(ii)去除模制部件并施加到导电元件上。 异氰酸酯(a)和组分(b)至(e)的所有异氰酸酯反应性化合物的扩链剂比(KV)为1:100。 扩链剂比(KV)等于((芳族异氰酸酯的重量百分数,基于所使用的异氰酸酯的总重量和组分(b)至(e)的异氰酸酯反应性化合物)的总和x wt。 芳族异氰酸酯的异氰酸酯含量的百分比56100)/((扩链剂的重量百分比,基于所使用的异氰酸酯和组分(b)至(e)的异氰酸酯反应性化合物的总重量)的总和)x重量 。%的增链剂的羟值)×4200)×100)。 对于通过上述方法获得的聚氨酯涂覆的导电元件,还包括独立权利要求。

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