Blended refrigeration oil composition
    48.
    发明授权
    Blended refrigeration oil composition 失效
    混合冷冻油组成

    公开(公告)号:US3912617A

    公开(公告)日:1975-10-14

    申请号:US44255274

    申请日:1974-02-14

    CPC classification number: C10M171/008

    Abstract: A wide boiling range (e.g. for a given VGC) refrigeration oil, having good chemical and thermal stability and good miscibility with fluorinated hydrocarbon refrigerants, comprises a blend of from 50-75 percent of a hydrorefined naphthenic oil component and 50-25 volume percent of a wax free paraffinic component (such as a hydrogenated polyolefin oil).

    Abstract translation: 具有良好化学和热稳定性以及与氟化烃制冷剂的良好混溶性的广泛沸程(例如,给定的VGC)冷冻机油包括50-75%的加氢精制环烷油组分和50-25体积% 无蜡石蜡组分(如氢化聚烯烃油)。

    Process for preparing an aromatic oil and non-discoloring rubber composition containing said oil
    49.
    发明授权
    Process for preparing an aromatic oil and non-discoloring rubber composition containing said oil 失效
    制备含有油的芳香油和非挥发性橡胶组合物的方法

    公开(公告)号:US3681279A

    公开(公告)日:1972-08-01

    申请号:US3681279D

    申请日:1967-05-05

    Applicant: SUN OIL CO

    Abstract: A NOVEL LIGHT-STABLE RUBBER PROCESS OIL CONTAINING 4585 PERCENT OF AROMATIC HYDROCARBONS IS OBTAINED IN HIGH YIELD FROM A 40-10,000 SUS (AT 100*F.) NAPHTHENIC DISTILLATE BY A TWO-STEP AROMATIZATION PROCESS. IN THE FIRST STEP, WITH A SULFACTIVE CATALYST THE SULFUR AND NITROGEN IN THE OIL ARE GREATLY REDUCED AND THE AROMATIC CONTENT INCREASES. IN THE SECOND STEP, WITH NI OR NOBLE METAL CATALYST, THE AROMATIC CONTENT IS FURTHER INCREASED AND THE PRODUCT OIL HAS GOOD COLOR STABILITY WHEN AGED IN THE PRESENCE OF ULTRAVIOLET LIGHT. OILS PRODUCED BY THE PROCESS ARE ESPECIALLY USEFUL WHEN COMPOUNDED WITH NATURAL RUBBERS AND SYNTHETIC ELASTOMERIC POLYMERS (E.G., NEOPRENE, GRS) WHICH EXHIBIT IMPROVED PROCESSABILITY AND PHYSICAL PROPERTIES WHEN COMPOUNDED WITH OILS OF HIGH AROMATICITY.

    Abstract translation: 具有至少64小时的无污泥Doble寿命的变压器油可以由在100°F下粘度为40-200USB的严格加氢精制环烷油和335毫微米区域的紫外吸收率小于0.04来制备 通过包括增加具有至少四个稠合芳环的多核烃的加氢精制油中的含量,直到335吸收率在0.04至2.5的范围内的方法。 一种特别有用的新型油,其具有至少100小时的无污泥Doble寿命,总酸值小于0.1,这可以通过本发明方法制备,具有在335ppm UVA在0.06-2.0范围内的组合物, 在335毫微子下的紫外吸收率与330毫微子下的吸收率的比率不小于1.0,硫含量在25至800ppm的范围内 并含有少于25 p.p.m。 的氮气。

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