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    POLYALKYLENE GLYCOL LUBRICANT COMPOSITIONS
    3.
    发明申请
    POLYALKYLENE GLYCOL LUBRICANT COMPOSITIONS 有权

    公开(公告)号：US20220127542A1

    公开(公告)日：2022-04-28

    申请号：US17427793

    申请日：2019-03-05

    申请人： Dow Global Technologies LLC

    发明人： Yaokun Han ,  Martin R. Greaves ,  Yong Zhao ,  Cheng Shen ,  Tao Wang ,  Jieying Chen

    IPC分类号： C10M145/38 ,  C10M169/04 ,  C10M101/00 ,  C10M129/10 ,  C10M145/32 ,  C10M145/34

    摘要： The present disclosure provides A lubricant composition comprises an antioxidant; and an esterified polyalkylene glycol: R1[O(R2O)n(R3O)m(C═O)R4]p, wherein R1 is a linear alkyl having 1 to 18 carbon atoms, a branched alkyl having 4 to 18 carbon atoms or an aryl with 6 to 30 carbon atoms; R2O is an oxypropylene moiety derived from 1,2-propylene oxide; R3O is an oxybutylene moiety derived from butylene oxide, wherein R2O and R3O are in a block or a random distribution; R4 is a linear alkyl with 1 to 18 carbon atoms, a branched alkyl with 4 to 18 carbon atoms or an aryl with 6 to 18 carbon atoms; n and m are each independently integers ranging from 0 to 20 wherein n+m is greater than 0, and p is an integer from 1 to 4, wherein the antioxidant is present in an amount by weight of at least 0.5% to 20% based upon the weight of the antioxidant and the esterified polyalkylene glycol and the antioxidant is soluble in the esterified polyalkylene glycol in an amount of at least 0.5% by weight. The lubricant composition may be used as an additive to form a hydrocarbon lubricant composition.

    Capped oil soluble polyalkylene glycols with low viscosity and high viscosity index
    8.
    发明授权
    Capped oil soluble polyalkylene glycols with low viscosity and high viscosity index 有权

    公开(公告)号：US10113134B2

    公开(公告)日：2018-10-30

    申请号：US15500412

    申请日：2015-07-21

    申请人： Dow Global Technologies LLC

    发明人： Nadjet Khelidj ,  Martin R. Greaves ,  Marinus Meertens ,  Ronald Van Voorst

    IPC分类号： C10M145/32 ,  C10M145/34 ,  C10M145/36 ,  C10M107/34

    摘要： A capped oil soluble polyalkylene glycol has the following structure: R1O-(AO)n—R2 where: R1 is a linear or branched alkyl or aryl with one to 18 carbon atoms; AO refers to residuals of monomers selected from 1,2-butylene oxide and 1,2-propylene oxide selected so that at least 50 weight-percent of the (AO)n component is 1,2-butylene oxide residuals; n is selected to provide a kinematic viscosity at 100 degrees Celsius of less than 5 centiStokes for the non-capped polyalkylene glycol; and R2 is a linear or branched alkyl or aryl having from 1-8 carbon atoms and wherein the capped oil soluble polyalkylene glycol is characterized by having a kinematic viscosity of less than 4.5 centiStokes at 100 degrees Celsius and a viscosity index of greater than 150.