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    • 1. 发明授权
    • Capped amines as hardeners for monocomponent (1c) epoxy resin systems which can be diluted with water
    • 封闭的胺作为可用水稀释的单组分(1c)环氧树脂体系的硬化剂
    • US06207733B1
    • 2001-03-27
    • US09307974
    • 1999-05-10
    • Roland FeolaFriedrich MuellerJohann Gmoser
    • Roland FeolaFriedrich MuellerJohann Gmoser
    • C08K336
    • C08G59/4014C08G18/3256
    • Capped amine hardeners for epoxy resins, which are reaction products of amines A having at least two primary amino groups, cyclic alkylene carbonates B, aliphatic carbonyl compounds C and compounds D having at least two groups which react with hydroxyl groups, such that in the first step, 0.1 to 1 mol of the primary amino groups for each 1 mol of the amine A are converted to hydroxyalkylurethane groups by reaction with the cyclic alkylene carbonate B, and the remaining primary amino groups are converted by reaction with the aliphatic carbonyl compound C in a second step to give ketimine or aldimine groups, and finally in the third step at least two of the molecules formed from A, B, and C are linked through reaction of the hydroxyl groups of the hydroxyalkylurethane groups with compound D. These capped amine hardeners are suitable for formulating water-dilutable monocomponent epoxy resin systems. The amines are released by addition of water, and are available for the curing reaction with the epoxy groups. Coatings formulated on the basis of this system are characterized by a very low content of auxiliary solvent. The cured coating films show outstanding leveling and film properties.
    • 作为具有至少两个伯氨基的胺A的反应产物的环氧树脂的包封胺固化剂,环状亚烷基碳酸酯B,脂族羰基化合物C和具有至少两个与羟基反应的基团的化合物D,使得在第一 通过与环状碳酸亚烷酯B反应将每1mol胺A的0.1〜1mol的伯氨基转化为羟基烷基氨基甲酸酯基,其余的伯氨基通过与脂肪族羰基化合物C反应而转化 第二步产生酮亚胺或醛亚胺基团,最后在第三步中,由A,B和C形成的分子中的至少两个分子通过羟基烷基氨基甲酸酯基团的羟基与化合物D反应而连接。这些封端的胺固化剂 适用于配制水可稀释的单组分环氧树脂体系。 通过添加水释放胺,并且可用于与环氧基团的固化反应。 在该系统的基础上配制的涂料的特征在于非常低的辅助溶剂含量。 固化的涂膜显示出优异的流平性和膜性能。
    • 9. 发明授权
    • Method and device for producing a high-pressure-tight connection and associated valve cartridge for a solenoid valve
    • 用于生产用于电磁阀的高压密封连接和相关阀芯的方法和装置
    • US08528879B2
    • 2013-09-10
    • US12669661
    • 2008-07-03
    • Friedrich MuellerGuenther SchnalzgerMartin Kirschner
    • Friedrich MuellerGuenther SchnalzgerMartin Kirschner
    • F16K31/02
    • B21D39/04B21D41/04B23P11/005B60T8/3615B60T8/363F16B17/004F16K31/06Y10T29/49412Y10T29/53552Y10T137/5987
    • The invention relates to a method and a device for producing a high-pressure-tight connection between a pole core and a valve sleeve of a solenoid valve and to an associated valve cartridge for a solenoid valve. According to the invention, the pole core is placed in a two-part compression mold, which comprises a middle die and an outer die, in such a way that a joining gap is produced between an inner bore of the outer die and the placed-in pole core. Subsequently, the pole core is placed against the valve sleeve and the valve sleeve is inserted into the joining gap. Then, the middle die and the outer die are pressed simultaneously with the pole core such that the valve sleeve passes into the joining gap. When a pressed diameter of the pole core is reached, the valve sleeve expands and is shaped in the joining gap between a first shaping edge and a second shaping edge and is joined onto the pole core. The diameter of the inner bore tapers between the first shaping edge and the second shaping edge. Application of further force by the outer die allows the pole core to be pressed deeper into the valve sleeve, in order to carry out a desired stroke setting for the movement of an armature by performing the further shaping of the valve sleeve.
    • 本发明涉及一种用于在电磁阀的磁极铁芯和阀套之间产生高压紧密连接的方法和装置,以及用于电磁阀的相关阀芯。 根据本发明,极芯被放置在两部分压缩模具中,该模具包括中间模具和外模具,使得在外模具的内孔和放置的模具之间产生接合间隙, 在极核心。 随后,将磁极芯放置在阀套上,并将阀套插入接合间隙。 然后,中间模具和外模具与极芯同时压入,使得阀套件进入接合间隙。 当达到极芯的压制直径时,阀套在第一成形边缘和第二成形边缘之间的接合间隙中膨胀并成形,并且连接到极芯上。 内孔的直径在第一成形边缘和第二成形边缘之间变细。 通过外模具进一步施加的力使得磁极芯被更深地压入阀套筒中,以通过执行阀套件的进一步成形来实现用于电枢运动的期望行程设置。