Methylene linked aromatic pour point depressant
    2.
    发明授权
    Methylene linked aromatic pour point depressant 失效
    亚甲基连接的芳族倾点下降剂

    公开(公告)号:US4880553A

    公开(公告)日:1989-11-14

    申请号:US178048

    申请日:1988-04-05

    摘要: Compositions useful as pour point depressants, novel compounds within such compositions, and processes for making same, as well as lubricant oil compositions containing same, are disclosed. The novel compounds are encompassed by the general structural formula (I)Ar(R)--[Ar'(R')].sub.n --Ar" (I)wherein the Ar, Ar' and Ar" are independently an aromatic moiety containing 1 to 3 aromatic rings and each aromatic moiety is substituted with 0 to 3 substituents, (R) and (R') are independently an alkylene group containing about 1 to 100 carbon atoms with the proviso that at least one of (R) or (R') is CH.sub.2, and n is 0 to about 1000; with the proviso that if n is 0, then (R) is CH.sub.2 and each aromatic moiety is independently substituted with 0 to 3 substituents with one aromatic moiety having at least one substituent, the substituents being selected from the group consisting of a substituent derived from an olefin and a substituent derived from a chlorinated hydrocarbon. The composition of the invention includes compounds varying in molecular weight from about 271 to about 300,000.

    摘要翻译: 公开了可用作倾点下降剂的组合物,该组合物中的新型化合物及其制备方法,以及含有它们的润滑油组合物。 新化合物包括通式(I)Ar(R) - [Ar'(R')] n -Ar“(I),其中Ar,Ar'和Ar”独立地是含有 1至3个芳环,每个芳族部分被0至3个取代基取代,(R)和(R')独立地为含有约1至100个碳原子的亚烷基,条件是(R)或 R')为CH 2,n为0至约1000; 条件是如果n是0,则(R)是CH 2,并且每个芳族部分独立地被0至3个取代基取代,一个芳族部分具有至少一个取代基,所述取代基选自衍生自 烯烃和衍生自氯代烃的取代基。 本发明的组合物包括分子量从约271至约300,000变化的化合物。

    Mannich reaction product as asphalt antistripping agent
    3.
    发明授权
    Mannich reaction product as asphalt antistripping agent 失效
    曼尼希反应产物作为沥青抗静电剂

    公开(公告)号:US4789402A

    公开(公告)日:1988-12-06

    申请号:US36636

    申请日:1987-04-10

    IPC分类号: C08K5/16 C08L95/00 C10C3/02

    CPC分类号: C08L95/005 C08K5/16

    摘要: An asphalt cement mixture is disclosed. The mixture has improved antistripping properties due to the inclusion therein of a minor amount of an antistripping agent produced by the condensation reaction of an amine, an aldehyde or aldehyde reaction synthon an alkylated phenol. The antistripping agent is preferably present in the asphalt cement in an amount of from about 0.25% to about 1% by weight based on the weight of the asphalt cement. The asphalt cement is combined with an aggregate to form a concrete and paved onto a road surface to provide a paved surface with improved durability.

    摘要翻译: 公开了一种沥青混合料。 该混合物由于其中含有少量通过胺,醛或醛反应合成烷与烷基化苯酚的缩合反应产生的抗分解剂而具有改善的抗干扰性能。 防粘剂优选以基于沥青胶泥重量的约0.25%至约1%重量的量存在于沥青胶泥中。 沥青水泥与骨料组合以形成混凝土并铺设在路面上以提供具有改善的耐久性的铺设表面。