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    • 17. 发明授权
    • Modified melamine-formaldehyde resins
    • 改性三聚氰胺 - 甲醛树脂
    • US5939515A
    • 1999-08-17
    • US390
    • 1998-01-29
    • Erhard GuentherWolfgang Reuther
    • Erhard GuentherWolfgang Reuther
    • C07D251/18C08G14/09C08G14/10C08G12/30
    • C08G14/10C07D251/18
    • Condensation of products obtained by condensation of a mixture comprising(A) from 90 to 99.9 mol % of a mixture consisting essentially of(a) from 30 to 100 mol % of melamine and(b) from 0 to 70 mol % of a substituted melamine of the formula I ##STR1## where X, X' and X" are as defined in the specification, or mixtures of melamines I, and(c) from 1 to 70 mol %, based on (a)+(b), of a substituted triazine of the formula II ##STR2## where R", Z' and Z" are as defined in the specification, or mixtures of triazines II, and(B) from 0.1 to 10 mol %, based on (A) (a), (A) (b) and (B), of phenols which are unsubstituted or are substituted by radicals selected from the group consisting of C.sub.1 -C.sub.9 -alkyl and hydroxyl, C.sub.1 -C.sub.4 -alkanes substituted by two or three phenol groups, di(hydroxyphenyl)sulfones or mixtures of these phenols,withformaldehyde or formaldehyde-supplying compounds in a molar ratio of melamine, substituted melamine I and triazine II to formaldehyde within the range from 1:1.15 to 1:4.5, are useful for making molded articles.
    • PCT No.PCT / EP96 / 03352 Sec。 371日期1998年1月29日 102(e)1998年1月29日PCT PCT 1996年7月30日PCT公布。 公开号WO97 / 07149 日期1997年2月27日缩短由(A)90-99摩尔%的(A)30〜100摩尔%的三聚氰胺和(b)0〜70摩尔组成的混合物 基于(a)+(b)的式I的取代三聚氰胺的%,其中X,X'和X“如本说明书中所定义,或三聚氰胺I和(c)1至70摩尔%的混合物 ),其中R“,Z'和Z”如说明书中所定义的取代的三嗪或三嗪II和(B)的混合物为0.1-10mol%,基于(A) (a),(A)(b)和(B))未被取代或被选自C 1 -C 9 - 烷基和羟基的基团取代的酚,(C) 基团,二(羟基苯基)砜或这些酚的混合物与甲醛或甲醛供应化合物以三聚氰胺,取代的三聚氰胺I和三嗪II的摩尔比与1:1的甲醛反应。 15至1:4.5,可用于制造模塑制品。
    • 20. 发明授权
    • Preparation of carbonyl chlorides
    • 碳氟化合物的制备
    • US5245063A
    • 1993-09-14
    • US757388
    • 1991-09-10
    • Peter KsollWolfgang ReutherAndreas HohmannPeter Wittmer
    • Peter KsollWolfgang ReutherAndreas HohmannPeter Wittmer
    • C07C51/60
    • C07C51/60
    • A process for preparing carbonyl chlorides of the formula I ##STR1## where R is C.sub.1 -C.sub.30 -alkyl, C.sub.2 -C.sub.30 -alkenyl or C.sub.2 -C.sub.30 -alkynyl, from essentially equimolar amounts of a carboxylic acid of the formula II ##STR2## where R has the abovementioned meanings, and phosgene COCl.sub.2 (III), in the presence of a catalytic adduct of phosgene and N,N-disubstituted formamide or the hydrochlorides thereof, of the formula IV where R.sup.1 and R.sup.2 are each, independently of one another, C.sub.1 -C.sub.3 -alkyl or together are a C.sub.4 -C.sub.5 -alkylene chain which may be interrupted by oxygen or by nitrogen which carries C.sub.1 -C.sub.3 -alkyl or CHO, and n is 0, 1 or 2, wherein the reaction is carried out with a stationary phase of the catalytic adduct, is described.
    • 制备式I的羰基氯的方法(I)其中R是C 1 -C 30 - 烷基,C 2 -C 30 - 烯基或C 2 -C 30 - 炔基,基本上等摩尔量的式II的羧酸 (IV)的光气和N,N-二取代的甲酰胺或其盐酸盐的催化加合物存在下,其中R具有上述含义的光学(II)和光气COCl 2(III) 其中R 1和R 2各自独立地为C 1 -C 3 - 烷基或一起为可被氧或携带C 1 -C 3烷基或CHO的氮中断的C 4 -C 5 - 亚烷基链,并且n为0 ,1或2,其中所述反应用催化加合物的固定相进行。