Process for the continuous production of polyamides
    3.
    发明授权
    Process for the continuous production of polyamides 失效
    聚酰胺连续生产工艺

    公开(公告)号:US4465821A

    公开(公告)日:1984-08-14

    申请号:US504666

    申请日:1983-06-15

    IPC分类号: C08G69/00 C08G69/28 C08G69/26

    CPC分类号: C08G69/28

    摘要: A process for the production of polyamides by the polycondensation of aqueous solutions of salts of diamines and dicarboxylic acids by continuously introducing the aqueous salt solution into a precondensate melt under atmospheric pressure and simultaneously distilling off the water and maintaining the temperature of the melt at a minimum temperature of 180.degree. C.

    摘要翻译: 通过在大气压下将含水盐溶液连续地引入预缩合的熔体中并同时蒸馏掉水并将熔体的温度保持在最低水平,通过二胺和二羧酸的盐的水溶液的缩聚来生产聚酰胺的方法 温度180℃

    Thiazolediazacyanine dyestuffs
    4.
    发明授权
    Thiazolediazacyanine dyestuffs 失效
    噻唑二氮杂萘染料

    公开(公告)号:US4277396A

    公开(公告)日:1981-07-07

    申请号:US971719

    申请日:1978-12-21

    IPC分类号: C09B29/09 C09B44/20 C09B45/00

    CPC分类号: C09B44/20

    摘要: Cationic dyestuffs of the formula ##STR1## wherein R.sub.1 represents a lower alkyl, alkenyl or hydroxyalkyl radical,R.sub.2, R.sub.3, R.sub.5 and R.sub.6 represent hydrogen or a lower alkyl or alkenyl radical,R.sub.4 represents a lower alkyl, alkenyl or alkoxy radical andX.sup.- represents an anion,are suitable for dyeing and printing natural and synthetic materials, in particular polyacrylonitrile and acid-modified polyamides and polyesters.

    摘要翻译: 其中R 1表示低级烷基,烯基或羟基烷基,R 2,R 3,R 5和R 6表示氢或低级烷基或链烯基,R 4表示低级烷基,烯基或烷氧基, 代表阴离子,适用于染色和印刷天然和合成材料,特别是聚丙烯腈和酸改性聚酰胺和聚酯。

    Process for isolating triarylmethane dyestuffs
    5.
    发明授权
    Process for isolating triarylmethane dyestuffs 失效
    三芳基甲烷染料的分离方法

    公开(公告)号:US4211716A

    公开(公告)日:1980-07-08

    申请号:US909190

    申请日:1978-05-24

    IPC分类号: C09B11/00 C09B11/10 C09B11/22

    CPC分类号: C09B11/10

    摘要: Dyestuffs of the formula ##STR1## wherein R.sub.1 -R.sub.2 denote hydrogen, alkyl, halogenoalkyl, halogen, alkoxy, alkylmercapto, alkylsulfphonyl, alkoxysulphonyl, alkylcarbonyl, alkoxycarbonyl, nitro or cyano,X and Y denote ##STR2## and R.sub.13 and R.sub.14 denote hydrogen, alkyl, halogenoalkyl, cyanoalkyl, cycloalkyl, aryl or aralkyl,and whereinX and R.sub.2, Y and R.sub.10, R.sub.1 and R.sub.2, R.sub.5 and R.sub.6, and R.sub.9 andR.sub.10 can form a 5-membered or 6-membered ring andA.sup.(-) denotes an anion,can be obtained in excellent purity when the hot reaction melts obtained by known processes are introduced into a two-phase system consisting of water and an organic solvent which is not water-miscible or which is water-miscible to a limited extent, and the dyestuffs are separated off.

    摘要翻译: 其中R 1 -R 2表示氢,烷基,卤代烷基,卤素,烷氧基,烷基巯基,烷基磺酰基,烷氧基磺酰基,烷基羰基,烷氧基羰基,硝基或氰基,X和Y表示,R 13和R 14表示氢原子, 烷基,卤代烷基,氰基烷基,环烷基,芳基或芳烷基,其中X和R2,Y和R10,R1和R2,R5和R6以及R9和R10可以形成5元或6元环和A( - ) 表示阴离子时,当通过已知方法获得的热反应熔融物被引入由水和有机溶剂组成的两相系统中时,其可以获得极好的纯度,所述两相体系不是与水相混溶的或与水混溶的有限的程度 ,并分离出染料。

    Preparation of cationic triarylmethane dyestuffs
    6.
    发明授权
    Preparation of cationic triarylmethane dyestuffs 失效
    阳离子三芳基甲烷染料的制备

    公开(公告)号:US4330476A

    公开(公告)日:1982-05-18

    申请号:US163363

    申请日:1980-06-26

    申请人: Karl H. Hermann

    发明人: Karl H. Hermann

    CPC分类号: C09B11/14

    摘要: To synthesize triarylmethane dyestuffs of the general formula ##STR1## in which R.sup.1 and R.sup.2 represent optionally substituted alkyl, aryl or aralkyl orR.sup.1 and R.sup.2, together or with the ortho-position of the phenyl ring, form a heterocyclic ring and R.sup.1 can additionally represent hydrogen,R.sup.3 and R.sup.4 denote hydrogen or non-ionic substituents,n represents an integer from 1 to 4 andX.sup.- denotes an anion,by a one-pot process, an aldehyde of the general formula ##STR2## in which R.sup.4 and n have the abovementioned meaning,is subjected to a condensation reaction with an aromatic amine of the general formula ##STR3## in which R.sup.1, R.sup.2, R.sup.3 and n have the abovementioned meaning,if appropriate in the presence of urea, and the reaction mixture thus obtained is oxidized with oxygen in the presence of catalytic amounts of benzoquinones substituted by halogen or cyano or of phenanthrenequinones substituted by nitro, and in the presence of catalytic amounts of nitrogen oxides--with the exception of dinitrogen monoxide--or of substances which produce such nitrogen oxides under the reaction conditions.

    摘要翻译: 为了合成通式“IMAGE”的三芳基甲烷染料,其中R 1和R 2表示任选取代的烷基,芳基或芳烷基或R 1和R 2一起或与苯环的邻位形成杂环,并且R 1可另外表示 氢,R3和R4表示氢或非离子取代基,n表示1至4的整数,X-表示阴离子,通过一锅法制备通式为“IMAGE”的醛,其中R 4和n具有 上述含义与通式“IMAGE”的芳香胺进行缩合反应,其中R1,R2,R3和n具有上述含义,如果合适的话,在尿素存在下,将得到的反应混合物 在催化量的被卤素或氰基取代的苯醌或被硝基取代的菲醌存在下,并在催化量的氮氧化物存在下,用氧氧化,除了二氮 或在反应条件下产生这种氮氧化物的物质。

    Stabilized polyamides
    8.
    发明授权
    Stabilized polyamides 失效
    稳定聚酰胺

    公开(公告)号:US4426475A

    公开(公告)日:1984-01-17

    申请号:US446943

    申请日:1982-12-06

    IPC分类号: C08L77/00 C08K5/18 C08K5/36

    CPC分类号: C08K5/18

    摘要: Stabilized polyamides containing from 0.02 to 5%, by weight of a diphenylamine compound corresponding to the following general formula: ##STR1## wherein R.sup.1 and R.sup.3, which may be the same or different, represent hydrogen, a CH.sub.3 --, C.sub.2 H.sub.5 -- or isopropyl group and R.sup.3 is in the o-, m- or p-position to the N-atom substitution;R.sup.2 represents hydrogen, a C.sub.4 -C.sub.12 alkyl, C.sub.7 -C.sub.12 aralkyl or C.sub.5 -C.sub.12 cycloalkyl group and is in the o-, or p-position to the N-atom substitution;n represents an integer of from 1 to 29; andY is a divalent, non-mono-olefinically unsaturated radical having the same meaning as R.sup.2 and, in addition, may represent (in a proportion of up to 50 mole percent) --S--, --CH.sub.2 --S--CH.sub.2 --, --CH.sub.2 --O--CH-- or >CH--R.sup.4, wherein R.sup.4 represents H, C.sub.1 -C.sub.6 alkyl or C.sub.5 or C.sub.6 cycloalkyl, and may be in the o- or p-position to the N-atom substitution.

    摘要翻译: 含有0.02至5%(重量)对应于以下通式的二苯胺化合物的稳定化聚酰胺:其中R 1和R 3可以相同或不同,表示氢,CH 3 - ,C 2 H 5 - 或异丙基,并且R 3与N原子取代的邻,间或对位; R 2表示氢,C 4 -C 12烷基,C 7 -C 12芳烷基或C 5 -C 12环烷基,并且位于与N-取代基的邻位或对位; n表示1〜29的整数, 并且Y是具有与R 2相同含义的二价,非单烯属不饱和基团,并且另外可以表示(以高达50摩尔%的比例)-S - , - CH 2 -S-CH 2 + 13, -CH 2 -O-CH-或> CH-R 4,其中R 4表示H,C 1 -C 6烷基或C 5或C 6环烷基,并且可以在与N-取代基的邻位或对位。

    Preparation of basic triarylmethane dyestuffs
    10.
    发明授权
    Preparation of basic triarylmethane dyestuffs 失效
    碱性三芳基甲烷染料的制备

    公开(公告)号:US4340540A

    公开(公告)日:1982-07-20

    申请号:US163364

    申请日:1980-06-26

    申请人: Karl H. Hermann

    发明人: Karl H. Hermann

    CPC分类号: C09B11/12

    摘要: To prepare basic dyestuffs of the general formula ##STR1## in which A and B independently of one another represent a hetero-aromatic radical or a radical of the general formula ##STR2## compounds of the general formulaA--CH.sub.2 --BA and B have the abovementioned meaning,are oxidized with oxygen in the presence of a nucleophilic compound of the general formulaD--Hand in the presence of catalytic amounts of benzoquinones substituted by halogen or cyano or of phenanthrenequinones substituted by nitro, and in the presence of catalytic amounts of nitrogen oxides--with the exception of dinitrogen monoxide--or of substances which produce such nitrogen oxides under the reaction conditions.

    摘要翻译: 为了制备通式“IMAGE”的基本染料,其中A和B彼此独立地表示杂芳族基团或通式为A-CH2-BA和B的通式化合物的基团具有式 在通式Ⅳ的亲核性化合物存在下,在催化量的被卤素或氰基取代的苯醌或被硝基取代的菲醌的存在下,在氧气中,在催化量的氮氧化物的存在下,用氧氧化上述含义 - 除了一氧化二氮或在反应条件下产生这种氮氧化物的物质。