会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 10. 发明授权
    • Sulfur-containing compositions, and additive concentrates, lubricating
oils, metal working lubricants and asphalt compositions containing same
    • 含硫组合物,添加剂浓缩物,润滑油,金属加工润滑剂和含有它们的沥青组合物
    • US4740322A
    • 1988-04-26
    • US824490
    • 1986-01-31
    • Stephen A. DiBiaseRoger L. Sowerby
    • Stephen A. DiBiaseRoger L. Sowerby
    • C07G99/00C08K5/36C10M135/02C10M105/08C10M105/56C10M105/72
    • C10M135/02C07G17/002C08K5/36C10M2219/022C10M2219/024C10N2240/04C10N2240/042C10N2240/044C10N2240/046C10N2240/08C10N2240/40C10N2240/401C10N2240/402C10N2240/403C10N2240/404C10N2240/405C10N2240/406C10N2240/407C10N2240/408C10N2240/409
    • Sulfur-containing compositions are described which are prepared by sulfurizing(A) at least one fatty acid ester of a polyhydric alcohol, or(B) at least one fatty acid, fatty acid ester of a monohydric alcohol, or a mixture thereof, or(C) at least one other olefin, or(D) mixtures of any two or more of (A), (B) and (C), in the presence of a catalytic amount of(E) at least one salt of at least one dithiocarbamic acid of the formulaR.sub.1 (R.sub.2)N--CSSH wherein R.sub.1 and R.sub.2 are each independently hydrocarbyl groups, or(F) at least one mercapto benzothiazole, or(G) mixtures of (E) and (F).Preferably, various mixtures of (A), (B) and (C) are sulfurized in accordance with the invention. The incorporation of a catalytic amount of salt of at least one dithiocarbamic acid of Formula I or at least one mercapto benzothiazole (or mixtures thereof) results in the preparation of sulfurized compositions which are characterized by excellent oil solubility and higher sulfur contents, and the compositions generally are lighter in color when compared to sulfurized compositions prepared in the absence of such catalysts. The sulfurized compositions prepared in accordance with the present invention are useful as general purpose antioxidants and friction modifiers for lubricating compositions and automatic transmission fluids and in particular, as additives in metal working lubricants. The above-described sulfurized compositions as well as sulfurized compositions prepared in the absence of catalysts (E) and/or (F) are useful in asphalt compositions.
    • 描述了通过硫化(A)至少一种多元醇的脂肪酸酯或(B)至少一种脂肪酸,一元醇的脂肪酸酯或其混合物或( C)至少一种其它烯烃,或(D)(A),(B)和(C)中任意两种或多种的混合物,在催化量的(E)至少一种至少一种 (R1)(R2)N-CSSH的二硫代氨基甲酸,其中R1和R2各自独立地为烃基,或(F)至少一种巯基苯并噻唑或(G)(E)和(F)的(G)混合物。 优选地,(A),(B)和(C)的各种混合物根据本发明被硫化。 催化量的式I的二硫代氨基甲酸或至少一种巯基苯并噻唑(或其混合物)的催化量的盐的引入导致硫化组合物的制备,其特征在于优异的油溶性和较高的硫含量,并且组合物 与不存在这样的催化剂制备的硫化组合物相比,通常颜色较浅。 根据本发明制备的硫化组合物可用作润滑组合物和自动变速器流体的通用抗氧化剂和摩擦改进剂,特别是作为金属加工润滑剂中的添加剂。 在不存在催化剂(E)和/或(F)的情况下制备的上述硫化组合物以及硫化组合物可用于沥青组合物中。