Process for the preparation of pyrrolidonecarboxylic acid/metal/amine
complexes
    1.
    发明授权
    Process for the preparation of pyrrolidonecarboxylic acid/metal/amine complexes 失效
    吡咯烷酮羧酸/金属/胺络合物的制备方法

    公开(公告)号:US4219650A

    公开(公告)日:1980-08-26

    申请号:US956522

    申请日:1978-10-31

    CPC分类号: C07D207/28

    摘要: A process for the preparation of pyrrolidone-5-carboxylic acid/metal salt/amine complexes by reacting 1 mol of a L-glutamic acid lower alkyl ester/metal salt complex with 1 mol of an aliphatic, cycloaliphatic or aromatic-aliphatic damine or 2 mols of an aliphatic or cycloaliphatic monoamine in a polar solvent, with the elimination of 2 mols of alcohol.The complex compounds prepared according to the invention are valuable curing agents for epoxide resins.

    摘要翻译: 通过使1摩尔L-谷氨酸低级烷基酯/金属盐络合物与1摩尔脂肪族,脂环族或芳香族 - 脂肪族或2摩尔的脂肪族或二元醇的混合物制备吡咯烷酮-5-羧酸/金属盐/胺络合物的方法 脂肪族或脂环族单胺在极性溶剂中的摩尔数,同时消除2摩尔醇。 根据本发明制备的复合化合物是环氧树脂的有价值的固化剂。

    Metal salt/amine complexes as epoxy resin catalytic curing agents
    3.
    发明授权
    Metal salt/amine complexes as epoxy resin catalytic curing agents 失效
    金属盐/胺配合物作为环氧树脂催化固化剂

    公开(公告)号:US4302573A

    公开(公告)日:1981-11-24

    申请号:US147682

    申请日:1980-05-07

    摘要: Novel carboxylic acid metal salt/amine complexes are prepared by reacting 1 mol of a carboxylic acid metal salt of the formula(A.sup..crclbar.).sub.2 ME.sup.2+in which A.sup..crclbar. is the anion of a carboxylic acid which contains polar substituents or radicals and in particular contains an amide or imide grouping, such as a halogenoacetic acid, nitrilo-, cyano- or ureido-acetic acid, monoamidosuccinic acid, succinimidyl- or maleimidyl-alkanecarboxylic acid, benzenesulphonic acid or pyrrolidone-5-carboxylic acid, and Me.sup.2+ is a divalent metal cation, with 1 mol of a diamine of the formulaR.sub.1 --NH--R--NH--R.sub.2in which R is an aliphatic radical having not more than 7 C atoms or is a cycloaliphatic radical and R.sub.1 and R.sub.2 are hydrogen, alkyl having 1 to 4 C atoms, cyclohexyl, benzyl, 2-aminoethyl or 3-aminopropyl, in a polar organic solvent and in the temperature range from 25.degree. to 200.degree. C., to give complex compounds. The novel complex compounds are suitable as catalytic curing agents for epoxide resins.

    摘要翻译: 通过使1摩尔式(A( - ))2ME2 +的羧酸金属盐与其中A( - )是含有极性取代基或基团的羧酸的阴离子反应制备新的羧酸金属盐/胺络合物,和 特别是含有酰胺或酰亚胺基,例如卤代乙酸,次氮基,氰基或脲基 - 乙酸,单酰氨基琥珀酸,琥珀酰亚胺基或马来酰亚胺基 - 链烷羧酸,苯磺酸或吡咯烷酮-5-羧酸,Me2 + 二价金属阳离子与1摩尔式R 1 -NH-R-NH-R 2的二胺,其中R是具有不超过7个C原子的脂族基团或者是脂环族基团,R 1和R 2是氢,烷基 在极性有机溶剂中,在25〜200℃的温度范围内具有1〜4个C原子,环己基,苄基,2-氨基乙基或3-氨基丙基,得到络合物。 新型复合化合物适用于环氧树脂的催化固化剂。

    N-Substituted aspartic acid monoesters
    5.
    发明授权
    N-Substituted aspartic acid monoesters 失效
    N-取代天冬氨酸单酯

    公开(公告)号:US4326069A

    公开(公告)日:1982-04-20

    申请号:US144136

    申请日:1980-04-28

    摘要: N-substituted aspartic acid monoesters of the formula I ##STR1## wherein for example R.sub.1 is an alkyl group having 1 to 12 C atoms, cyclohexyl, phenyl, tolyl or benzyl, x is 2 or 3, R.sub.2 and R.sub.3 are each a methyl or ethyl group, or together with the N atom they form an N-heterocyclic ring, are obtained by adding, by means of an addition reaction, to 1 mol of a maleic acid monoester of the formula II ##STR2## 1 mol of an amine of the formula III ##STR3## in the presence of a tertiary amine. The novel N-substituted aspartic acid monoesters are valuable curing accelerators for epoxide resin mixtures containing dicyandiamide or a polycarboxylic acid anhydride as curing agent. They are also suitable alone as catalytically acting curing agents for epoxide resins.

    摘要翻译: 式I的N-取代天冬氨酸单酯(I)其中例如R1是具有1至12个碳原子的烷基,环己基,苯基,甲苯基或苄基,x是2或3,R2和R3各自为 通过加成反应将1摩尔式II的马来酸单酯(II)加成,得到甲基或乙基,或与它们形成N-杂环的N原子一起, 在叔胺存在下,将1摩尔式III的胺(III)。 新型N-取代天冬氨酸单酯是含有双氰胺或多元羧酸酐作为固化剂的环氧树脂混合物的有价值固化促进剂。 它们也可单独用作环氧树脂的催化作用固化剂。

    N-cyanocarboxylic acid amides, processes for their preparation and their
use
    9.
    发明授权
    N-cyanocarboxylic acid amides, processes for their preparation and their use 失效
    N-氰基羧酸酰胺,其制备方法及其用途

    公开(公告)号:US4618712A

    公开(公告)日:1986-10-21

    申请号:US466457

    申请日:1983-02-15

    CPC分类号: C08G59/44 C08G59/4014

    摘要: N-Cyanocarboxlic acid amide derivatives which contain two or three ##STR1## groupings in the molecule are obtained by reacting 1 mol of a dicyanodiamine with 2 mols of a carboxylic acid anhydride or 1 mol of a dicyandiamine salt with 2 mols of a carboxylic acid halide or 1 mol of a dihalogeno compound with 2 mols of an N-cyanocarboxylic acid amide salt, or by reacting 1 mol of a carboxylic acid dichloride or trichloride with 2 or, respectively, 3 mols of a cyanamide or 1 mol of a carboxylic acid dicyandiamide or tricyantriamide salt with 2 or 3 mols of an alkylating agent.The N-cyanocarboxylic acid amide derivatives according to the invention are useful hardeners for epoxide resins.

    摘要翻译: 通过使1摩尔二氰基二胺与2摩尔羧酸酐或1摩尔二氰胺与2摩尔羧酸卤化物反应,得到分子中含有两个或三个“基团”基团的N-氰基碳酰胺酰胺衍生物 或1摩尔具有2摩尔N-氰基羧酸酰胺盐的二卤代化合物,或通过使1摩尔二羧酸酰氯或三氯化碳与2或3摩尔氰胺或1摩尔羧酸双氰胺反应 或三羟甲基胺酰胺盐与2或3摩尔的烷基化剂。 根据本发明的N-氰基羧酸酰胺衍生物是用于环氧树脂的有用的硬化剂。

    Cyanoacylamide compounds
    10.
    发明授权
    Cyanoacylamide compounds 失效
    氰基酰胺化合物

    公开(公告)号:US4529821A

    公开(公告)日:1985-07-16

    申请号:US466458

    申请日:1983-02-15

    摘要: N-Cyanoacylamide compounds of the formula I ##STR1## wherein R.sub.1 is hydrogen, alkyl, cycloalkyl or aryl, R.sub.2 is hydrogen or alkyl and R.sub.3 is hydrogen or alkyl and R.sub.3 is alkylene or arylenealkylene, are prepared by reacting 1 mol of an N-cyanocarboxylic acid amide salt with 1 mol of a halogen compound in a polar, aprotic solvent.The N-cyanoacylamide compounds of the formula I can be used for hardening epoxide resins, for the preparation of isomelamine or for the preparation of linear polymers which can be crosslinked by heat.

    摘要翻译: 式I的N-氰基酰胺化合物其中R1是氢,烷基,环烷基或芳基,R2是氢或烷基,R3是氢或烷基,R3是亚烷基或亚芳基亚烷基,是通过使1mol 在极性的非质子溶剂中加入1mol卤素化合物的N-氰基羧酸酰胺盐。 式I的N-氰基酰胺化合物可用于固化环氧树脂,用于制备异质凝胺或用于制备可通过加热交联的线性聚合物。