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1. 发明授权

US5081757A Electrical insulating oil composition and capacitors prepared therewith 失效
标题翻译：电绝缘油组合物和电容器
公开(公告)号：US5081757A
公开(公告)日：1992-01-21
申请号：US697197
申请日：1991-05-08
申请人： Atsushi Sato , Shigenobu Kawakami , Keiji Endo , Hideyuki Dohi
发明人： Atsushi Sato , Shigenobu Kawakami , Keiji Endo , Hideyuki Dohi
IPC分类号： H01B3/22 , H01B3/44
CPC分类号： H01B3/44 , H01B3/22 , Y10T29/43
摘要： An electrical insulating oil composition having good low temperature characteristics which comprises at least 4 members selected from the group consisting of (a) m-ethylbiphenyl, (b) p-ethylbiphenyl, (c) o-benzyltoluene, (d) m-benzyltoluene, (e) p-benzyltoluene, (f) 1,1-diphenylethane, and (g) 1,1-diphenylethylene; and is characterized in that the proportion of solid phase at a temperature of -40.degree. C. of the electrical insulating oil composition is not more than 45% by weight and the proportion of the total quantity of solid phase is calculated according to the following general equation of solid-liquid equilibrium: ##EQU1## wherein X.sub.i is the equilibrium mole fraction of a component i in the liquid phase of the composition, .DELTA.H.sub.i.sup.f is the heat of fusion (cal.mol.sup.-1), T.sub.i.sup.f is the melting point (K), T is the temperature (K), and R is the gas constant (cal.mol.sup.-1.K.sup.-1).Electrical capacitors prepared with these electrical insulating oil compositions provide excellent operation at temperatures as low as -40.degree. C., preferably as low as -50.degree. C.

2. 发明授权

US4899009A Method for producing m-benzyltolune 失效
标题翻译：生产m-苄基黄酮的方法
公开(公告)号：US4899009A
公开(公告)日：1990-02-06
申请号：US364490
申请日：1989-06-09
申请人： Shigenobu Kawakami , Keiji Endo , Hideyuki Dohi , Atsushi Sato
发明人： Shigenobu Kawakami , Keiji Endo , Hideyuki Dohi , Atsushi Sato
IPC分类号： B01J29/40 , C07B61/00 , C07C1/00 , C07C6/12 , C07C15/14 , C07C15/16 , C07C67/00
CPC分类号： C07C6/12 , C07C2529/40
摘要： A method for producing m-benzyltoluene with a high yield and excellent selectivity without producing undesirable heavier by-products. The method is characterized in that toluene and diphenylmethane are allowed to react at a reaction temperature in the range of 170.degree. to 400.degree. C. in the presence of a crystalline synthetic zeolite catalyst in which the molar ratio of SiO.sub.2 /Al.sub.2 O.sub.3 is 20 or higher and the openings of main pores are formed by ten-membered oxygen rings.

3. 发明授权

US5134761A Electrical insulating oil composition and capacitors prepared therewith 失效
标题翻译：电绝缘油组合物和电容器
公开(公告)号：US5134761A
公开(公告)日：1992-08-04
申请号：US697199
申请日：1991-05-08
申请人： Atsushi Sato , Shigenobu Kawakami , Keiji Endo , Hideyuki Dohi
发明人： Atsushi Sato , Shigenobu Kawakami , Keiji Endo , Hideyuki Dohi
IPC分类号： H01B3/22 , H01B3/44
CPC分类号： H01B3/22 , H01B3/44 , Y10T29/43
摘要： A new electrical insulating oil composition having improved low temperature characteristics which composition comprises a mixture of 40% by weight or more of benzyltoluene and the remainder of alkyl substituted diphenylmethane having 15 to 17 carbon atoms which is represented by the following general formula: ##STR1## wherein R.sub.1 and R.sub.2 are C.sub.1 to C.sub.4 alkyl groups and the total number of carbon atoms in R.sub.1 and R.sub.2 is 1 to 4, except that R.sub.1 and R.sub.2 are simultaneously methyl groups; and the proportion of the total quantity of solid phase calculated according to the following general solid-liquid equilibrium equation is 45% by weight or less relative to the total quantity of said composition at -40.degree. C.: ##EQU1## wherein X.sub.i is the equilibrium mole fraction of a component i, in the liquid phase, .DELTA.H.sub.i.sup.f is the heat of fusion (cal.mol.sup.-1), T.sub.i.sup.f is the melting point (K), T is the temperature (K) of the system, and R is the gas constant (cal.mol.sup.-1.K.sup.-1). Electrical capacitors prepared with these electrical insulating oil compositions provide excellent operation at temperatures as low as -40.degree. C., preferably as low as -50.degree. C.
摘要翻译：一种具有改进的低温特性的新的电绝缘油组合物，其组合物包含40重量％或更多的苄基甲苯和其余的具有15至17个碳原子的烷基取代的二苯基甲烷的混合物，其由以下通式表示：其中R1和R2是C1-C4烷基，R1和R2中的总碳原子数为1〜4，除了R1和R2同时为甲基; 并且根据以下一般固 - 液平衡方程计算的固相总量的比例相对于所述组合物在-40℃下的总量为45重量％以下：其中，Xi为组分i的平衡摩尔分数，在液相中，DELTA Hif是熔解热（cal.mol-1），Tif是熔点（K），T是系统的温度（K），R 是气体常数（cal.mol-1.K-1）。使用这些电绝缘油组合物制备的电容器在低至-40℃，优选低至-50℃的温度下提供优异的操作。

4. 发明授权

US5017733A Electrical insulating oil composition 失效
标题翻译：电绝缘油组成
公开(公告)号：US5017733A
公开(公告)日：1991-05-21
申请号：US93813
申请日：1987-09-04
申请人： Atsushi Sato , Shigenobu Kawakami , Keiji Endo , Hideyuki Dohi
发明人： Atsushi Sato , Shigenobu Kawakami , Keiji Endo , Hideyuki Dohi
IPC分类号： H01B3/22 , H01B3/44 , H01G4/22
CPC分类号： H01G4/221 , H01B3/22 , H01B3/441 , Y10T29/43
摘要： An electrical insulating oil composition which comprises 45% by weight or more of at least 2 members selected from the group consisting of (a) m-ethylbiphenyl, (b) p-ethylbiphenyl, (c) o-benzyltoluene, (d) m-benzyltoluene, (e) p-benzyltoluene, and (f) 1,1-diphenylethane; and the remainder of non-condensed bicyclic aromatic hydrocarbons having not more than 17 carbon atoms besides the above 6 components; and is characterized in that, when the temperature of the composition is -40.degree. C., (I) the total quantity of solid phase obtained by calculating according to the following solid-liquid equilibrium equation is 45% by weight or less relative to the total quantity of the composition, and (II) in the liquid phase composition calculated by the following solid-liquid equilibrium equation, the total quantity of the compounds (a) to (f) is 40% by weight or more and the viscosity of this liquid phase is 500 cSt or lower, ##EQU1## wherein X.sub.i is the equilibrium mole fraction of a component i in the liquid phase; .DELTA.H.sub.i.sup.f is a heat of fusion (cal.mol.sup.-1); T.sub.i.sup.f is a meltinig point (K); T is the temperature (K); and R is the gas constant (cal.mol.sup.-1.K.sup.-1).
摘要翻译：一种电绝缘油组合物，其包含45重量％以上至少2个选自（a）间 - 乙基联苯，（b）对乙基联苯，（c）邻 - 苄基甲苯，（d）苄基甲苯，（e）对 - 苄基甲苯和（f）1,1-二苯基乙烷; 除了上述6种成分之外，剩余的具有不超过17个碳原子的非稠合双环芳烃; 其特征在于，当组合物的温度为-40℃时，（I）通过根据以下固液平衡方程式计算获得的固相的总量相对于下述固体 - 液体平衡方程为45重量％以下组合物的总量和（II）在以下固体 - 液体平衡方程式计算的液相组合物中，化合物（a）至（f）的总量为40重量％以上，并且其粘度液相500cSt或更低，其中Xi是液相中组分i的平衡摩尔分数; DELTA Hif是融合热（cal.mol-1）; Tif是一个融合点（K）; T是温度（K）; R为气体常数（cal.mol-1.K-1）。

5. 发明授权

US4967028A Electrical insulating oil composition and electrical appliances impregnated therewith 失效
标题翻译：电绝缘油组合物和浸渍的电器
公开(公告)号：US4967028A
公开(公告)日：1990-10-30
申请号：US191054
申请日：1988-05-06
申请人： Atsushi Sato , Shigenobu Kawakami , Keiji Endo , Hideyuki Dohi
发明人： Atsushi Sato , Shigenobu Kawakami , Keiji Endo , Hideyuki Dohi
IPC分类号： H01B3/20 , C10M109/02 , H01B3/22 , H01G4/22
CPC分类号： H01B3/22 , H01G4/221
摘要： The present invention relates to an improved electrical insulating oil composition which has excellent electrical characteristics and is suitable for use in impregnating electrical appliances in which plastic dielectric material is used, and further relates to electrical appliances impregnated with such a composition. The electrical insulating oil composition is produced by bringing a by-product oil fraction mainly containing components having boiling points in the range of 260.degree. to 330.degree. C. (atmospheric pressure basis) into liquid-liquid contact with an organic polar solvent; said by-product oil fraction being formed by alkylating benene or toluene with ethylene in the presence of an alkylation catalyst and then distilling the alkylation product; and said electrical insulating oil composition being characterized in that the ratio of the integrated intensity as chemical shift at 120 to 155 ppm of the spectrum measured by .sup.13 C NMR method to the total integrated intensity at 0 to 155 ppm of said spectrum is 70% or higher.

6. 发明授权

US4802058A Novel method for refining electrical insulating oil 失效
标题翻译：电绝缘油精制方法
公开(公告)号：US4802058A
公开(公告)日：1989-01-31
申请号：US165728
申请日：1988-03-09
申请人： Shigenobu Kawakami , Keiji Endo , Hideyuki Dohi , Atsushi Sato
发明人： Shigenobu Kawakami , Keiji Endo , Hideyuki Dohi , Atsushi Sato
IPC分类号： C10M105/06 , C10M177/00 , C10N40/16 , C10N70/00 , H01B3/22 , H01G4/22 , C07C15/12 , C10L1/10
CPC分类号： H01B3/22
摘要： The present invention relates to a method for refining an electrical insulating oil by refining a heavy by-product oil obtained in the preparation of ethylbenzene or ethyltoluene. The method comprises distilling off the lighter components from the by-product oil, then dehydrogenating, distilling and hydrogenating.

7. 发明授权

US5171906A Process for treating by-product oil 失效
标题翻译：处理副产品油的工艺
公开(公告)号：US5171906A
公开(公告)日：1992-12-15
申请号：US476417
申请日：1990-04-24
申请人： Shigenobu Kawakami , Keiji Endo , Hideyuki Dohi , Atsushi Sato
发明人： Shigenobu Kawakami , Keiji Endo , Hideyuki Dohi , Atsushi Sato
IPC分类号： C07C2/70 , B01J29/40 , B01J29/65 , C07B61/00 , C07C1/00 , C07C15/02 , C07C67/00 , C10G11/05 , C10G25/03 , C10G57/00 , C10G63/00 , H01B3/20
CPC分类号： C10G63/00 , C10G57/005
摘要： A process for treating a by-product oil is disclosed, which comprises treating a raw material containing a heavy oil formed as a by-product in the step of producing alkylbenzene or the like by alkylation of benzene or the like, with a catalyst of crystalline synthetic zeolite having a SiO.sub.2 /Al.sub.2 O.sub.3 (molar ratio) of 20 or more and inlets of main pores (main cavity openings) of ten-membered oxygen rings in a liquid phase at a temperature of 320.degree. C. or below, wherein said raw material contains up to 2 wt % of methylnaphthalene. This process makes it possible to prevent reduction in the catalytic treatment efficiency.

8. 发明授权

US5113029A Electric insulating oil composition 失效
标题翻译：电绝缘油组合物
公开(公告)号：US5113029A
公开(公告)日：1992-05-12
申请号：US93793
申请日：1987-09-04
申请人： Atsushi Sato , Shigenobu Kawakami , Keiji Endo , Hideyuki Dohi
发明人： Atsushi Sato , Shigenobu Kawakami , Keiji Endo , Hideyuki Dohi
IPC分类号： H01B3/22 , H01B3/44
CPC分类号： H01B3/22 , H01B3/44 , Y10T29/43
摘要： A new electrical insulating oil composition having improved low temperature characteristics which composition comprises a mixture of 40% by weight or more of benzyltoluene and the remainder of alkyl substituted diphenylmethane having 15 to 17 carbon atoms which is represented by the following general formula: ##STR1## wherein R.sub.1 and R.sub.2 are C.sub.1 to C.sub.4 alkyl groups and the total number of carbon atoms in R.sub.1 and R.sub.2 is 1 to 4, with the proviso that R.sub.1 and R.sub.2 may not simultaneously be methyl groups and the proportion of the total quantity of solid phase calculated according to the following general solid-liquid equilibrium equation is 45% by weight or less relative to the total quantity of said composition at -40.degree. C.: ##EQU1## where X.sub.i is the equilibrium mole fraction of a component i, in the liquid phase, .DELTA.H.sub.i.sup.f is the heat of fusion (cal.mol.sup.-1), T.sub.i.sup.f is the melting point (K), T is the temperature (K) system, and R is the gas constant (cal.mol.sup.-1.K.sup.-1).
摘要翻译：一种具有改进的低温特性的新的电绝缘油组合物，其组合物包含40重量％或更多的苄基甲苯和其余的具有15至17个碳原子的烷基取代的二苯基甲烷的混合物，其由以下通式表示：其中R1和R2是C1-C4烷基，R1和R2中的总碳原子数为1至4，条件是R1和R2不能同时为甲基，并计算总固体相的比例根据以下一般固 - 液平衡方程相对于所述组合物在-40℃下的总量为45重量％以下：其中，Xi是组分i在液体中的平衡摩尔分数相位，DELTA Hif是熔化热（cal.mol-1），Tif是熔点（K），T是温度（K）系统，R是气体常数（cal.mol-1.K- 1）。

9. 发明授权

US5107395A Method of producing insulating oil comprising dibenzylbenzene 失效
标题翻译：生产包含二苯乙烯的绝缘油的方法
公开(公告)号：US5107395A
公开(公告)日：1992-04-21
申请号：US601797
申请日：1991-01-07
申请人： Shigenobu Kawakami , Keiji Endo , Hideyuki Dohi , Atsushi Sato
发明人： Shigenobu Kawakami , Keiji Endo , Hideyuki Dohi , Atsushi Sato
IPC分类号： C07C2/76 , B01J29/40 , C07B61/00 , C07C2/72 , C07C15/16 , C10M105/06 , H01B3/22 , H01G4/22
CPC分类号： H01G4/221 , C10M105/06 , H01B3/22 , C10M2203/06 , C10N2240/201 , C10N2240/202
摘要： An insulating oil comprising dibenzylbenzenes which is most suitably used for impregnating a metallized plastic film capacitor, is produced by the reaction of benzene or toluene with diphenylmethane or a methyl derivative thereof at 170.degree. C. to 400.degree. C. in the presence of a synthetic crystalline zeolite catalyst having a molar ratio of SiO.sub.2 to Al.sub.2 O.sub.3 of 20 or above, wherein the inlets of main pores are constituted of ten-membered oxygen rings.
摘要翻译： PCT No.PCT / JP90 / 00295 Sec。 371日期1991年1月7日 102（e）日期1991年1月7日PCT 1990年3月7日PCT PCT。 WO90 / 10686 PCT出版物 1990年9月20日，含有最适合用于浸渍金属化塑料薄膜电容器的二苄基苯的绝缘油是通过苯或甲苯与二苯基甲烷或其甲基衍生物在170℃至400℃的反应制备的在SiO 2与Al 2 O 3的摩尔比为20以上的合成结晶沸石催化剂的存在下，主孔的入口由10元氧环构成。

10. 发明授权

US4716084A Oil-impregnated capacitor 失效
标题翻译：浸油电容器
公开(公告)号：US4716084A
公开(公告)日：1987-12-29
申请号：US853546
申请日：1986-04-18
申请人： Atsushi Sato , Shigenobu Kawakami , Keiji Endo , Hideyuki Dohi
发明人： Atsushi Sato , Shigenobu Kawakami , Keiji Endo , Hideyuki Dohi
IPC分类号： H01G4/22 , B32B15/08
CPC分类号： H01G4/221 , Y10T428/3154 , Y10T428/31681
摘要： An oil-impregnated capacitor made by winding at least one plastic film impregnated with an electrical insulating oil comprising 1-phenyl-1-methylphenylethane in which 1-phenyl-1-(4-methylphenyl)ethane and 1-phenyl-1-(2-methyl)ethane are present in amounts of not less than 70 percent and not more than 15 percent, respectively, based on the total weight of the 1-phenyl-1-methylphenylethane.
摘要翻译：一种浸油电容器，其通过卷绕浸渍有包含1-苯基-1-甲基苯基乙烷的电绝缘油的至少一个塑料膜，其中1-苯基-1-（4-甲基苯基）乙烷和1-苯基-1-（2 - 甲基）乙烷的含量分别为1-苯基-1-甲基苯乙烷的总重量的不少于70％且不超过15％。

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