Alkoxyalkylaminotriazine trans-etherification products
    1.
    发明授权
    Alkoxyalkylaminotriazine trans-etherification products 失效
    烷氧基烷基氨基三嗪反醚化产物

    公开(公告)号:US4393207A

    公开(公告)日:1983-07-12

    申请号:US279586

    申请日:1981-07-01

    摘要: Alkoxyalkylaminotriazine trans-etherification products are obtained by reacting an alkoxyalkylaminotriazine of the general formula ##STR1## where X is hydrogen, alkyl, phenyl, alkylphenyl or ##STR2## A and B are hydrogen, alkyl, alkenyl or ##STR3## and R and R' are hydrogen or alkyl, with from 0.1 to 6 moles, per mole of alkoxyalkylaminotriazine, of a .beta.-hydroxyaldehyde of the general formula ##STR4## where R", R"' and R"" are identical or different and each is hydrogen or alkyl or R"' and R"" together with the .alpha.-carbon atom form a cyclopentane or cyclohexane ring, and R"' and/or R"" can also be hydroxyalkyl and R"" can also be phenyl, in the presence of an acidic catalyst, and removing the alcohol resulting from the trans-etherification. The alkoxyalkylaminotriazine trans-etherification products may be used in baking finishes and acid-hardening surface coatings.

    摘要翻译: 烷氧基烷基氨基三嗪反醚化产物是通过使通式(I)的烷氧基​​烷基氨基三嗪(X)为氢,烷基,苯基,烷基苯基或者A,B为氢,烷基,链烯基或者R 和R'是氢或烷基,每摩尔烷氧基烷基氨基三嗪具有0.1至6摩尔的通式为“IMAGE”的β-羟基醛,其中R“,R”和R“”相同或 不同的是氢或烷基或R“和R”与α-碳原子一起形成环戊烷或环己烷环,R“和/或R”'也可以是羟烷基和 在酸性催化剂的存在下,R“也可以是苯基,并除去由反式醚化产生的醇。 烷氧基烷基氨基三嗪反醚化产物可用于烘烤整理剂和酸硬化表面涂料。

    Orthodontic expansion screw
    2.
    发明授权
    Orthodontic expansion screw 失效
    正畸膨胀螺丝

    公开(公告)号:US4347054A

    公开(公告)日:1982-08-31

    申请号:US887955

    申请日:1978-03-20

    IPC分类号: A61C7/10 A61C7/00

    CPC分类号: A61C7/10

    摘要: An orthodontic expansion screw is provided having two screw bodies which are displaceable relative to each other by a screw spindle. A guide pin disposed parallel to the spindle is attached to an attachment section of one of the screw bodies and engages a guide bore of the second screw. The screw spindle has threaded sections of counter-rotating threads which engage threaded bores in the screw bodies; such opposed sections extend from an actuating section to which attached. The second screw body has a guide portion which extends from the second screw body portion. The first screw body has a threaded body portion extending from the attachment section whereby maximum separation of the screw bodies is permitted by virtue of the extended threaded bore.

    摘要翻译: 提供了一种正畸膨胀螺钉,其具有两个螺钉体,它们可通过螺杆轴相对于彼此移位。 平行于心轴布置的引导销附接到螺钉体之一的附接部分并与第二螺钉的导向孔接合。 螺杆主轴具有相互旋转螺纹的螺纹部分,其接合螺钉体中的螺纹孔; 这种相对的部分从附接的致动部分延伸。 第二螺丝体具有从第二螺纹体部延伸的引导部。 第一螺丝体具有从附接部分延伸的螺纹主体部分,由此通过延伸的螺纹孔允许螺钉体的最大间隔。