Certain bis(alpha-aminopropyl)hydrouracils
    1.
    发明授权
    Certain bis(alpha-aminopropyl)hydrouracils 失效
    某些水蛭(ALPHA-氨基丙酸)水蛭

    公开(公告)号:US3644365A

    公开(公告)日:1972-02-22

    申请号:US3644365D

    申请日:1969-12-01

    Applicant: CIBA LTD

    CPC classification number: C07D239/22 C07D239/54 C08G59/5073

    Abstract: NEW DI-N,N''-YAMINIPROPYL-DIHYDROURACILS, FOR EXAMPLE 1,3-DI-(Y-AMINOPROPYL)-5,5-DIMETHYL-5,6-DIHYDROURACIL, AND THEIR USE AS CURING AGENTS IN CURABLE MOULDING, COATING AND ADHESIVE COMPOSITIONS WHICH CONTAIN A POLYEPOXIDE COMPOUND, FOR EXAMPLE A LIQUID POLYGLYCIDYL ETHER OF BISPHENOL A. CURING CAN BE CARRIED OUT AT RELATIVLEY LOW TEMPERATURES, FOR EXAMPLE AT 40*C. THE NEW TYPE OF CURING AGENT BRIDGES, IN RESPECT OF ITS GRADATION OF REACTIVITY, A GAP BETWEEN ALIPHATIC POLYAMINES AND CYCLOALIPHATIC POLYAMINES. THE NEW CURING AGENTS FURTHERMORE HAVE THE ADVANTAGE RELATIVE TO THE AROMATIC POLYAMINES OF BEING NON-TOXIC.

    Heterocyclic n,n'-diglycidyl compounds
    2.
    发明授权
    Heterocyclic n,n'-diglycidyl compounds 失效
    杂环N,N-二乙基化合物

    公开(公告)号:US3562275A

    公开(公告)日:1971-02-09

    申请号:US3562275D

    申请日:1969-07-24

    Applicant: CIBA LTD

    CPC classification number: C07D405/14 C08G59/26

    Abstract: NEW 1,3-DIGLYCIDYL-5,5-DIALKYL-5,6-DIHYDRO-URACILS (1,3DIGLYCIDYL-5,5-DIMETHYL-5,6-DIHYDRO-URACIL AND 1,3-DIGLYCIDYL-5,5-DIMETHYL-6-ISPOROPYL-5,6-DIHYDRO-URACIL) ARE PREPARED BY THE REACTION, KNOWN PER SE, OF 5,5-DIALKYL-5,6DIHYDRO-URACIL WITH EPICHLOROHYDRIN IN THE PRESENCE OF A TERTIARY AMINE OR OF A QUATERNARY AMMONIUM SALT, FOLLOWED BY DEHYDROHALOGENATION WITH ALKALI. (THE EASY ACCESS IS SURPRISING BEACUSE THE 5-UNSUBSTITUTED DIHYDROURACILS CAN BE CONVERTED ONLY INTO THE MONOGLYCIDYL DERIVATIVES EVEN WHEN A LARGE EXCESS OF EPICHLOROHYDRIN IS USED). AS A RULE, THE NEW DIEPOXIDES ARE LIQUID-VISCOUS AND CAN BE CURED WITH THE USUAL CURING AGENTS, SUCH AS DICARBOXYLIC ACID ANHYDRIDES OR POLYAMINES TO FORM SHAPED ARTICLES WITH GOOD MECHANICAL AND ELECTRICAL PROPERTIES.

    Advanced addition products containing terminal epoxide groups
    5.
    发明授权
    Advanced addition products containing terminal epoxide groups 失效
    含有末端环氧化物组合的高级添加剂

    公开(公告)号:US3640910A

    公开(公告)日:1972-02-08

    申请号:US3640910D

    申请日:1969-04-02

    Applicant: CIBA LTD

    CPC classification number: C08G59/10

    Abstract: NEW, SO-CALLED "ADVANCED" ADDUCTS CONTAINING EPOXIDE GROUPS, FROM POLYEPOXIDE COMPOUNDS CONTAINING ON AN AVERAGE MORE THAN ONE EPOXIDE GROUP IN THE MOLECULE AND MONONUCLEAR, FIVE- OR SIX-MEMBERED, UNSUBSTITUTED OR SUBSTITUTED N-HETEROCYLIC COMPOUND WHOSE MOLECULE CONTAINS TWO ENDOCYCLIC NH GROUPS, AND LESS THAN ONE EQUIVALENT NH GROUP FOR EVERY EPOXIDE GROUP EQUIPVALENT OF THE POLYEPOXIDE COMPOUND, OBTAINED BY REACTION OF FOR EXAMPLE 2 MOLS OF DIOMETHANEDIGLYCIDYL EHTER AND 1 MOL OF 5,5-DIMETHYLHYDANTOIN. THE EPOXIDE RESINS "ADVANCED" WITH THE AID OF SUCH NITROGEN COMPOUNDS HAVE A GOOD STORAGE STABLITY IN ADDITION TO EXCELLENT ELECTRICAL PROPERTIES.

    Storage-stable hot-curable compositions of polyepoxides and acyl substituted urea derivatives
    6.
    发明授权
    Storage-stable hot-curable compositions of polyepoxides and acyl substituted urea derivatives 失效
    多羟基化合物和ACYL取代的尿素衍生物的储存稳定的可固化组合物

    公开(公告)号:US3554968A

    公开(公告)日:1971-01-12

    申请号:US3554968D

    申请日:1969-09-23

    Applicant: CIBA LTD

    CPC classification number: C08G59/4021

    Abstract: HOT-CURABLE MOULDING, COATING AND ADHESIVE COMPOSITIONS WHICH ARE STORAGE-STABLE AT ROOM TEMPERATURE AND WHICH CONTAIN A POLYEPOXIDE COMPOUND, FOR EXAMPLE A LIQUID POLYGLYCIDYL ETHER OF BISPHENOL A AND, AS A LATENT CURING AGENT, A C2-C4-ACYLUREA, FOR EXAMPLE N-MONOACETYLUREA, N,N''-DIACETYLUREA OR N,N''-DIPROPIONYLUREA. AS A RULE 0.2-0.7 MOL OF ACETYLUREA ARE EMPLOYED PER EPOXIDE EQUIVALENT. IN ORDER TO OBTAIN PERFECT CASTINGS, THE CURE SHOULD BE CARRIED OUT STEPWISE BY GRADUAL WARMING, WITH THE MIXTURES BEING EXPOSED TO GRADUALLY RISING TEMPERATURES IN THE RANGE OF 100-180*C., AND THE TEMPERATURE MUST, ESPECIALLY IN THE RANGE OF 120-150*C., ONLY BE RAISED IN SMALL STEPS.

    Curable molding compositions comprising a polyepoxide and a hydantoin
    10.
    发明授权
    Curable molding compositions comprising a polyepoxide and a hydantoin 失效
    包含多环氧化物和羟丁基纤维素的可固化模塑组合物

    公开(公告)号:US3635844A

    公开(公告)日:1972-01-18

    申请号:US3635844D

    申请日:1969-11-17

    Applicant: CIBA LTD

    Abstract: Curable molding, coating and adhesive compositions which contain a polyepoxide compound, for example a liquid polyglycidyl ether of bisphenol A, and, as the curing agent, an N,N'' -di-( gamma aminopropyl)-hydantoin, for example 1,3-di-( gamma -aminopropyl)5,5-dimethyl-hydantoin. Curing can be carried out at relatively low temperatures, for example at 40* C. The new type of curing agent bridges, in respect of its gradation of reactivity, a gap between aliphatic polyamines and cycloaliphatic polyamines. The new curing agents furthermore have the advantage relative to the aromatic polyamines of being nontoxic.

    Abstract translation: 包含聚环氧化物化合物例如双酚A的液体聚缩水甘油醚和作为固化剂的N,N'-二(γ-氨丙基) - 乙内酰脲,例如1的可固化成型,涂布和粘合剂组合物, 3-二 - (γ-氨基丙基)-5,5-二甲基 - 乙内酰脲。 固化可以在相对较低的温度下进行,例如在40℃下进行。新型固化剂在其反应性等级方面桥接脂族多胺和脂环族多胺之间的间隙。 新的固化剂还具有相对于无毒芳族多胺的优点。

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