Flame retardant compounds and compositions of matter
    3.
    发明授权
    Flame retardant compounds and compositions of matter 失效
    阻燃化合物和物质组成

    公开(公告)号:US3892815A

    公开(公告)日:1975-07-01

    申请号:US39719773

    申请日:1973-09-13

    发明人: SCHMERLING LOUIS

    摘要: Novel compounds comprising poly(polyhalonorbornenylalkyl)benzene as exemplified by 1,4-bis(1,3,4,5,6,7,7-heptachloro-5-norbornen2-ylmethyl)-benzene are prepared by reacting an aromatic hydrocarbon containing at least two alkyl substituents with 1,2dichloroethylene and thereafter reacting the resultant product with a polyhalo-substituted cycloalkadiene to form the desired compound. These compounds are useful for imparting flame retardant characteristics when admixed with a polymeric substance.

    摘要翻译: 通过1,4-二(1,3,4,5,6,7,7-七氯-5-降冰片烯-2-基甲基) - 苯举出的包含聚(多卤代烯基烷基)苯的新型化合物是通过使芳烃 含有至少两个烷基取代基与1,2-二氯乙烯,然后使所得产物与多卤代环烷二烯反应形成所需化合物。 当与聚合物混合时,这些化合物可用于赋予阻燃特性。

    Process for producing substituted norbornyl ureas
    7.
    发明授权
    Process for producing substituted norbornyl ureas 失效
    制备取代的降冰片基脲的方法

    公开(公告)号:US3163674A

    公开(公告)日:1964-12-29

    申请号:US26340263

    申请日:1963-03-07

    发明人: BUNTIN GEORGE A

    摘要: A urea compound of the formula in which R, R1 and R2, when taken as individual radicals, are each hydrogen, chlorine, bromine, an alkyl radical having 1 to 4 carbon atoms or chloromethyl, and when taken as a group, R2 is hydrogen, and R and R1 taken together represent a chemical bond ( - ), -CH2-CH = CH-, or -CH2CHCl-CHCl-, and R3 and R4 are each an alkyl radical having 1 to 8 carbon atoms, is made by contacting a thiourea compound of the formula stepwise with phosgene in a water-free organic solvent at a temperature in the range of 0 DEG to 80 DEG C. and then with water in aqueous medium at a temperature in the range of 0 DEG to 100 DEG C. in the presence of an acid acceptor. The intermediate thiourea compounds are made by contacting an unsaturated norbornene compound with HSCN generated in situ from a salt of thiocyanic acid and a mineral acid in aqueous media, at temperatures below 150 DEG C. to produce a corresponding norbornyl isothiocyanate which is then reacted with a dialkyl amine HNR3R4 at temperatures below 150 DEG C. Suitable chloro-substituted norbornenes are obtained by reacting 2-chloro-1-propene, 2,3-dichloropropene-1, or vinyl chloride is reacted with cyclopentadiene (which may be obtained by depolymerizing dicyclopentadiene). Detailed examples are given. Reference has been directed by the Comptroller to Specifications 890,540.

    摘要翻译: 其中R 1,R 2和R 2各自独立地为氢,氯,溴,具有1-4个碳原子的烷基或氯甲基,其中R 1,R 2和R 2分别为式 当R 2为氢时,R 1和R 2一起表示化学键( - ),-CH 2 -CH = CH-或-CH 2 CHCl-CHCl-,R 3和R 4各自为具有1个 至8个碳原子,通过在0〜80℃的温度下,使式的硫脲化合物与光气在无水有机溶剂中逐步接触,然后 在水介质中,在酸受体存在下,在0℃至100℃的温度范围内。 中间体硫脲化合物是通过使不饱和降冰片烯化合物与在含水介质中的硫氰酸盐和无机酸的原位产生的HSCN在低于150℃的温度下接触而产生相应的降冰片基异硫氰酸酯,然后与 二烷基胺HNR 3 R 4在低于150℃的温度下进行。合适的氯取代的降冰片烯是通过2-氯-1-丙烯,2,3-二氯丙烯-1或氯乙烯与环戊二烯(可以通过将二环戊二烯 )。 给出了详细的例子。 会计师参考了890,540号规范。