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    • 6. 发明授权
    • Storage-stable solutions of accelerator systems
    • 加速器系统的储存稳定解决方案
    • US5470896A
    • 1995-11-28
    • US376539
    • 1995-01-20
    • Alex WegmannHeinz Wolleb
    • Alex WegmannHeinz Wolleb
    • C07F1/02C07F3/00C07F3/04C07F3/06C07F5/00C07F5/06C07F15/02C08G59/18C08G59/40C08G59/50C08G59/68C08K13/02C08K5/17C08L63/02
    • C08G59/68
    • Solutions of accelerator systems comprising a binary system comprisinga) 10 to 90% by weight of a salt of formula I[Me].sub.m.sup.x.sym. [R].sub.n.sup.y.crclbar. (I),wherein x and y are the respective number of charges and m and n are each a number 1, 2, 3 or 4, Me is a metal atom and R is the radical of an alcohol, phenol or thiophenol or of a carboxylic acid or thiocarboxylic acid, or10 to 90% by weight of a salt of formula II[Me.sub.1 ].sub.m.sup.x.sym. [A].sub.n.sup.y.crclbar. (II),with an organic complex former containing one or more hetero atoms having free electron pairs,wherein Me.sub.1 is a metal atom or a group of the formula N(R.sub.1).sub.4, S(R.sub.1).sub.3 or P(R.sub.1).sub.4 wherein each R.sub.1 independently of the others is hydrogen, an unsubstituted or substituted C.sub.1 -C.sub.6 alkyl or aryl radical, A is any anion and x, y, m and n are as defined above, andb) 90 to 10% by weight of an organic solvent containing at least one --OH, --OR.sub.1, --COOH, --COOR.sub.1, --COR.sub.1 or --CON(R.sub.1).sub.2 group wherein R.sub.1 is hydrogen, an unsubstituted or substituted C.sub.1 -C.sub.6 alkyl or aryl radical,are storage-stable with respect to temperature and time and do not precipitate, and the use thereof, for example for accelerating the hardening of epoxy resin/amine combinations, the drying times being in the range of about 15 to 40 minutes.
    • 包含二元系统的加速器系统的解决方案包括a)10至90重量%的式I [Me] mx(+)[R] ny( - )(I)的盐,其中x和y分别为 电荷,m和n各自为1,2,3或4,Me为金属原子,R为醇,苯酚或苯硫酚或羧酸或硫代羧酸的基团,或10至90重量% 具有式II [Me1] mx(+)[A] ny( - )(II)的盐与具有一个或多个具有自由电子对的杂原子的有机络合物,其中Me1是金属原子或一组 其中每个R 1独立地是氢,未取代或取代的C 1 -C 6烷基或芳基,A是任何阴离子,x,y,m 和n如上所定义,和b)90至10重量%的含有至少一个-OH,-OR 1,-COOH,-COOR 1,-COR 1或-CON(R 1)2基团的有机溶剂,其中R 1是氢 ,未取代或取代的C 1 -C 6烷基或芳基,是储存状态 相对于温度和时间而不沉淀,并且其用途例如用于加速环氧树脂/胺组合的硬化,干燥时间在约15至40分钟的范围内。
    • 10. 发明授权
    • Hardener for anhydride group-containing polymers
    • 含酸酐基聚合物的固化剂
    • US6107451A
    • 2000-08-22
    • US177141
    • 1998-10-21
    • Walter FischerAlex Wegmann
    • Walter FischerAlex Wegmann
    • C07C229/30C07C229/32C07C229/46C08G18/32C08G59/40C08G59/42C08K5/17C08L101/06C08G69/26
    • C08G59/423C07C229/30C07C229/32C07C229/46C08K5/175C07C2101/14C07C2103/66
    • A curable composition consisting of at least 2 components (a) and (b), wherein(a) is a liquid oligomer or polymer having a molecular weight of 200-50,000 and containing dicarboxylic anhydride groups, and(b) is a compound of formula I ##STR1## wherein A is linear or branched C.sub.2 -C.sub.20 alkylene, C.sub.5 -C.sub.7 cycloalkylene, C.sub.7 -C.sub.10 bicycloalkylene, or C.sub.1 -C.sub.30 alkylene containing one or more than one C.sub.5 -C.sub.7 cycloalkylene group or C.sub.7 -C.sub.30 bicycloalkylene group in the main or side chain, which cycloalkylene and bicycloalkylene groups can be unsubstituted or substituted by one or several C.sub.1 -C.sub.6 alkyl groups, and R.sub.1 and R.sub.2 are independently of each other C.sub.1 -C.sub.18 alkyl, C.sub.4 -C.sub.10 cycloalkyl or C.sub.7 -C.sub.24 -aralkyl, which cycloalkyl and aralkyl groups can be unsubstituted or substituted by one or more than one C.sub.1 -C.sub.6 alkyl group,has a long pot life at room temperature and is suitable for the preparation of moulded articles, primers and insulating layers.
    • 一种由至少2种组分(a)和(b)组成的可固化组合物,其中(a)是分子量为200-50,000并含有二羧酸酐基团的液体低聚物或聚合物,(b)是式 其中A是在主链或侧链中含有一个或多个C 5 -C 7亚环烷基或C 7 -C 30双环亚烷基的直链或支链C 2 -C 20亚烷基,C 5 -C 7环亚烷基,C 7 -C 10二环烷基或C 1 -C 30亚烷基,该亚环烷基和双环亚烷基 可以是未取代的或被一个或几个C 1 -C 6烷基取代,并且R 1和R 2彼此独立地是C 1 -C 18烷基,C 4 -C 10环烷基或C 7 -C 24 - 芳烷基,该环烷基和芳烷基可以是未取代的或被一个或多个 多个C 1 -C 6烷基,在室温下具有长的适用期,适用于制备模制品,底漆和绝缘层。