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21. 发明授权

US4750083A Electrical insulating oil composition 失效
标题翻译：电绝缘油组成
公开(公告)号：US4750083A
公开(公告)日：1988-06-07
申请号：US93794
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
摘要： An electrical insulating oil composition which is excellent in low temperature characteristics and suitable for use in impregnating capacitors, and comprises (a) m-ethylbiphenyl, (b) p-ethylbiphenyl, (c) m-isopropylbiphenyl and (d) p-isopropylbiphenyl, and is characterized in that the total amount of the ethylbiphenyls is not less than 40% by weight and the proportion of solid phase in the composition at a temperature of -40.degree. C. is not more than 45% by weight, the solid quantity of each component being calculated according to the following equation of solid-liquid equilibrium: ##EQU1## wherein X.sub.1 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 fushion (cal.mol.sup.-1) of the component i, T.sub.i.sup.f is the melting point (K) of the component i, T is the temperature (K) of the system, 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，其低温特性优异并适用于浸渍电容器，并且包括（a）间 - 乙基联苯，（b）对乙基联苯，（c）间异丙基联苯和（d）对异丙基联苯，其特征在于乙基联苯的总量不小于40重量％，组合物中在-40℃的固相比例不超过45重量％，固体量每个组分根据以下固液平衡方程式计算：其中X1是组分液相中组分i的平衡摩尔分数，DELTA Hif是缓冲热（cal.mol-1 ），Tif是组分i的熔点（K），T是体系的温度（K），R是气体常数（cal.mol-1.K-1）。

22. 发明授权

US4639833A New electrical insulating oil and oil-filled electrical appliances 失效
标题翻译：新型电绝缘油和充油电器
公开(公告)号：US4639833A
公开(公告)日：1987-01-27
申请号：US764873
申请日：1985-08-12
申请人： Atsushi Sato , Keiji Endo , Shigenobu Kawakami , Hideyuki Dohi
发明人： Atsushi Sato , Keiji Endo , Shigenobu Kawakami , Hideyuki Dohi
IPC分类号： H01B3/22 , H01G4/22
CPC分类号： H01G4/221 , H01B3/22
摘要： An improved electrical insulating oil and oil-filled electrical appliances impregnated therewith. The electrical insulating oil has a low viscosity, low pour point and other excellent electrical characteristics and it comprises an isomer mixture of dibenzylbenzenes in which the quantity of p-dibenzylbenzene is not more that 10% by weight and the weight ratio of m-dibenzylbenzene/o-dibenzylbenzene is not lower than 3.
摘要翻译：改进的电绝缘油和浸油的电油器具。电绝缘油具有低粘度，低倾点和其它优异的电气特性，并且其包含二苄基苯的异构体混合物，其中对二苄基苯的量不超过10重量％，并且间二苯基苯/ 邻二苯基苯不低于3。

23. 发明授权

US4568793A Electrical insulating oil and oil-filled electrical appliances 失效
标题翻译：电绝缘油和充油电器
公开(公告)号：US4568793A
公开(公告)日：1986-02-04
申请号：US747659
申请日：1985-06-21
申请人： Atsushi Sato , Shigenobu Kawakami , Hideyuki Dohi , Keiji Endo
发明人： Atsushi Sato , Shigenobu Kawakami , Hideyuki Dohi , Keiji Endo
IPC分类号： C09K5/00 , C09K5/08 , H01B3/22 , H01B3/24
CPC分类号： H01B3/22
摘要： An electrical insulating oil which can be produced easily at low cost, scarcely contains undesirable components of tarry substance, unsaturated compounds and carbonyl compounds, does neither swell nor dissolve plastic materials, and has excellent electrical properties. The electrical insulating oil is characterized in that it comprises a fraction having boiling points in the range of 270.degree. to 350.degree. C. which is prepared by distilling the heavier products obtained from the process for producing ethyltoluene by alkylating toluene with ethylene in the presence of synthetic zeolite catalyst. Included also in the present invention are oil-filled electrical appliances that are produced by impregnating them with the above insulating oil.
摘要翻译：能够以低成本容易地制造的电绝缘油，几乎不含有焦油物质，不饱和化合物和羰基化合物的不良成分，既不溶胀也不溶解塑料材料，并且具有优异的电性能。电绝缘油的特征在于它包含沸点在270℃至350℃范围内的馏分，其通过在乙基甲苯中通过烷基化甲苯与乙烯的存在下蒸馏从生产乙基甲苯的方法获得的较重产物而制备合成沸石催化剂。在本发明中也包括通过用上述绝缘油浸渍而制造的充油电器。

24. 发明授权

US4543207A Electrical insulating oil and oil-filled electrical appliances 失效
标题翻译：电绝缘油和充油电器
公开(公告)号：US4543207A
公开(公告)日：1985-09-24
申请号：US563741
申请日：1983-12-20
申请人： Atsushi Sato , Keiji Endo , Shigenobu Kawakami , Hitoshi Yanagishita , Shozo Hayashi
发明人： Atsushi Sato , Keiji Endo , Shigenobu Kawakami , Hitoshi Yanagishita , Shozo Hayashi
IPC分类号： C07C2/66 , C07C5/333 , C07C15/50 , C07C33/24 , C07C33/28 , C07C45/46 , H01B3/22 , H01G4/22
CPC分类号： H01G4/221 , C07C15/50 , C07C2/66 , C07C33/24 , C07C33/28 , C07C45/46 , C07C5/3332 , H01B3/22 , C07C2531/025
摘要： An improved electrical insulating oil and oil-filled electrical appliances impregnated therewith. The electrical insulating oil is quite suitable for use in oil-filled electrical appliances in which insulating materials or dielectric materials made of plastics are employed. The electrical insulating oil comprises (a) an electrical insulating oil except polyaromatic hydrocarbons and (b) an aromatic monoolefin and/or diolefin having two condensed or noncondensed aromatic nuclei.
摘要翻译：改进的电绝缘油和浸油的电油器具。电绝缘油非常适用于使用由塑料制成的绝缘材料或介电材料的充油电器。电绝缘油包括（a）除聚芳香烃以外的电绝缘油，和（b）具有两个稠合或非缩合芳族核的芳族单烯烃和/或二烯烃。

25. 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.

26. 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）。

27. 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。

28. 发明授权

US4994539A Method for improving impulse destructive stength of electrical insulating materials 失效
标题翻译：改善电绝缘材料冲击破坏性长度的方法
公开(公告)号：US4994539A
公开(公告)日：1991-02-19
申请号：US782402
申请日：1985-10-01
申请人： Yuichi Orikasa , Shinji Kojima , Takashi Inoue , Kaoru Yamamoto , Atsushi Sato , Shigenobu Kawakami
发明人： Yuichi Orikasa , Shinji Kojima , Takashi Inoue , Kaoru Yamamoto , Atsushi Sato , Shigenobu Kawakami
IPC分类号： C08F210/02 , H01B3/44
CPC分类号： C08F210/02 , H01B3/441
摘要： The present invention provides a method for improving impulse destructive strength of an electrical insulating material which is characterized by employing, as said electrical insulating material, an ethylene copolymer prepared by subjecting, to a high-pressure radical polymerization, ethylene or a mixture of ethylene and another monomer in the presence of at least one selected from the group consisting of one- to three-ring aromatic compounds (except styrene and substituted styrenes each having a single ring) each having one carbon-carbon double bond in one molecule, at a polymerization pressure of 500 to 4,000 kg/cm.sup.2 at a polymerization temperature of 50.degree. to 400.degree. C., with said ethylene copolymer containing 0.005 to 1 mol % of a unit derived from said aromatic compound as a polymeric component.

29. 发明授权

US4804729A Electrical insulating material and power cable comprising a crosslinked layer thereof 失效
标题翻译：电绝缘材料和电力电缆，包括其交联层
公开(公告)号：US4804729A
公开(公告)日：1989-02-14
申请号：US69961
申请日：1987-07-06
申请人： Yuichi Orikasa , Shinji Kojima , Takashi Inoue , Atsushi Sato , Shigenobu Kawakami , Kaoru Yamamoto
发明人： Yuichi Orikasa , Shinji Kojima , Takashi Inoue , Atsushi Sato , Shigenobu Kawakami , Kaoru Yamamoto
IPC分类号： C08F2/34 , H01B3/44 , C08F236/20 , C08F236/22
CPC分类号： H01B3/441 , Y10S526/913
摘要： The present invention provides an electrical insulating material which comprises an ethylene copolymer prepared by subjecting, to a high-pressure radical polymerization, ethylene or a mixture of ethylene and at most 3 mol % of another monomer in the presence of one- to three-ring aromatic compound having at least two carbon-carbon double bonds, which are different from each other in reactivity in radical polymerization, in one molecule at a polymerization pressure of 500 to 4,000 kg/cm.sup.2 at a polymerization temperature of 50.degree. to 400.degree. C., with the ethylene copolymer containing 0.005 to 1 mol % of a unit derived from the aromatic compound.
摘要翻译：本发明提供了一种电绝缘材料，其包括通过在一至三环的存在下进行高压自由基聚合，乙烯或乙烯混合物和至多3mol％的另一种单体制备的乙烯共聚物在聚合温度为50-400℃的聚合压力下，在一个分子中，在自由基聚合反应中彼此不同的至少两个碳 - 碳双键的芳族化合物。乙烯共聚物含有0.005〜1摩尔％的衍生自芳族化合物的单元。

30. 发明授权

US4731483A Method for preparing 3-ethylbenzophenone 失效
标题翻译： 3-乙基二苯甲酮的制备方法
公开(公告)号：US4731483A
公开(公告)日：1988-03-15
申请号：US904470
申请日：1986-09-08
申请人： Isoo Shimizu , Yasuo Matsumura , Shigenobu Kawakami , Atsushi Sato
发明人： Isoo Shimizu , Yasuo Matsumura , Shigenobu Kawakami , Atsushi Sato
IPC分类号： C07C49/784 , B01J27/00 , B01J27/125 , C07B61/00 , C07C45/00 , C07C45/27 , C07C45/28 , C07C45/30 , C07C45/34 , C07C45/36 , C07C45/40 , C07C45/63 , C07C45/64 , C07C45/82 , C07C51/12 , C07C67/00
CPC分类号： C07C45/82 , C07C45/28 , C07C45/30 , C07C45/36 , C07C45/40 , C07C45/63 , C07C45/64 , C07C51/12
摘要： The present invention provides a method for preparing 3-ethylbenzophenone in a high purity which comprises the steps of alkylating benzene with ethylene with the aid of an alkylating catalyst to obtain an alkylated product composed mainly of unreacted benzene, ethylbenzene, polyethylbenzenes and heavier by-products; subjecting the alkylated product to distillation in order to recover therefrom a fraction which has a temperature range of boiling points within the range of 275.degree. to 310.degree. C. (in terms of atmospheric pressure); dehydrogenating the recovered fraction at a reaction temperature within the range of 200.degree. to 700.degree. C. in the presence of a dehydrogenating catalyst; oxidizing the dehydrogenated fraction in a liquid phase; and performing distillation to recover therefrom 3-ethylbenzophenone represented by the formula: ##STR1##
摘要翻译：本发明提供了一种高纯度制备3-乙基二苯甲酮的方法，其包括以下步骤：借助烷基化催化剂用乙烯烷基化苯，得到主要由未反应的苯，乙苯，聚乙基苯和较重的副产物组成的烷基化产物 ; 使烷基化产物蒸馏以从其中回收沸点温度范围在275〜310℃范围内的馏分（按大气压）。在脱氢催化剂存在下，在200〜700℃的反应温度下使回收的馏分脱氢; 在液相中氧化脱氢馏分; 并进行蒸馏以从其中回收由下式表示的3-乙基二苯甲酮：（I）

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