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公开(公告)号：US4771115A
公开(公告)日：1988-09-13
申请号：US921145
申请日：1986-10-21
CPC分类号： C08F38/02
摘要： Polyacetylene having an apparent density at 20.degree. C. greater than 0.6 g/ccm and a surface area below 60 m.sup.2 /g is prepared by polymerizing gaseous acetylene in the presence of a catalytic system consisting of:(a) an oxygenized compound of Ti or V, containing at least one metal-oxygen bond;(b) an organometallic compound of aluminum containing at least one hetero-atom, of the formula: ##STR1## wherein: ##STR2## while R=a hydrocarbon radical with 1-18 carbon atoms, and where R'.dbd.R, or halogen or alcoxyl.
摘要翻译： 通过在催化体系存在下聚合气态乙炔来制备表观密度大于0.6g / cm 2，表面积低于60m 2 / g的聚乙炔，所述催化体系由以下组成：（a）Ti的氧化化合物或 V，含有至少一个金属 - 氧键; （b）含有至少一个杂原子的铝的有机金属化合物，其具有下式：其中：当R =具有1-18个碳原子的烃基，并且其中R'= R或卤素 或醇酸。
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2.发明授权Process for producing crystalline vinyl aromatic polymers having mainly a syndiotactic structure 失效生产具有主要结构结构的结晶乙烯芳族聚合物的方法
公开(公告)号：US5142005A
公开(公告)日：1992-08-25
申请号：US133055
申请日：1987-12-15
CPC分类号： C08F12/04 , C08F10/00 , C08F12/08 , Y10S526/941
摘要： A process for the production of primarily syndiotactic vinyl aromatic polymers by polymerizing or copolymerizing vinyl aromatic monomers such as styrene or styrene derivatives in the presence of a catalyst system comprising the product of the reaction between:a) a compound of a transition metal (M) different from titanium and containing at least a bond M-O, M-C, M-N, M-P, M-S or M-halogen, andb) an organoaluminum compound containing at least an oxygen atom bound to the aluminum atom or bound between two aluminum atoms.Compound a) can be used as such or may be supported on a suitable carrier.
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3.发明授权Thermoplastic compositions based on syndiotactic polymers of styrene and polyphenylene ethers 失效基于苯乙烯和聚苯醚间同立构聚合物的热塑性组合物
公开(公告)号：US4946897A
公开(公告)日：1990-08-07
申请号：US261228
申请日：1988-10-24
摘要： Compositions comprising from 5 to 50% by weight of a polyphenylene ether and from 95 to 50% by weight of a styrene polymer having a syndiotactic structure. Such compositions are endowed with enhanced mechanical properties compared to those containing amorphous polystyrene, or polystyrene having an isotactic structure.
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公开(公告)号：US5496912A
公开(公告)日：1996-03-05
申请号：US435275
申请日：1995-05-05
IPC分类号： C08G63/191 , C08G63/19 , C08G63/199 , C08G63/02
CPC分类号： C08G63/19 , Y10T428/29 , Y10T428/31786
摘要： Thermotropic melt processable liquid crystalline aromatic polyesters comprising units derived from a dicarboxylic acid and from a mixture of aromatic diols in which from 50% to 80% is (1-phenylethyl)hydroquinone and from 20% to 50% is hydroquinone.
摘要翻译： 包含衍生自二羧酸的单元和来自50％至80％（1-苯基乙基）氢醌和20％至50％的芳族二醇的混合物的热致变性可熔融加工的液晶芳族聚酯是氢醌。
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公开(公告)号：US20100323899A1
公开(公告)日：2010-12-23
申请号：US12802762
申请日：2010-06-14
申请人： Giovanni Giunchi
发明人： Giovanni Giunchi
CPC分类号： H01L39/14 , C04B35/45 , C04B35/547 , C04B35/58057 , C04B2235/3213 , C04B2235/3272 , C04B2235/77 , C22C28/00 , C22C38/00 , H01L39/141 , H01L39/16 , H01L39/24 , H01L39/2477 , H01L39/2487
摘要： A superconductive element is described, comprising a rigid support made of a non-superconductive material, said support comprising at least one superconductive track formed by a groove containing a superconductive material having a density equal to at least 85% of the value of its theoretical density, and the process for producing said element. The present invention also relates to the possible uses of the superconductive elements, and also to superconductive devices comprising said superconductive elements.
摘要翻译： 描述了超导元件，其包括由非超导材料制成的刚性支撑件，所述支撑件包括至少一个超导轨道，该超导轨道由包含超过其理论密度值的至少85％的密度的超导材料的凹槽形成 ，以及所述元件的制造方法。 本发明还涉及超导元件的可能用途，以及包括所述超导元件的超导装置。
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公开(公告)号：US20070286787A1
公开(公告)日：2007-12-13
申请号：US11807524
申请日：2007-05-29
IPC分类号： C01B6/15
CPC分类号： C01B3/065 , C01B6/04 , C01B6/21 , Y02E60/324 , Y02E60/362
摘要： A process is described for the preparation of magnesium borohydride having a high purity and crystallinity, which comprises the reaction of an orgenometallic compound of magnesium of the type MgX2, wherein X is an organic binder selected from alkyl, amide, alkoxide, cyclopentadienyl, aryl, with a derivative of a boron hydride, in a hydrocarbon solvent.
摘要翻译： 描述了一种制备具有高纯度和结晶度的硼氢化镁的方法，其包括MgX 2类型的镁的金属间化合物的反应，其中X是选自烷基的有机粘合剂， 酰胺，醇盐，环戊二烯基，芳基与硼氢化物的衍生物在烃溶剂中反应。
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7.发明授权公开(公告)号：US06461744B1
公开(公告)日：2002-10-08
申请号：US09736142
申请日：2000-12-15
申请人： Giovanni Giunchi , Sergio Ceresara
发明人： Giovanni Giunchi , Sergio Ceresara
IPC分类号： B21C3700
CPC分类号： C22C45/04 , C22C19/058 , C22F1/10 , Y10T428/12431
摘要： A description follows of an article based on a nickel-chromium-silicon metal alloy, including microcrystalline borides, obtained by the rapid solidification and subsequent thermal treatment of a nickel-chromium-boron-silicon metal alloy comprising from 39.0 to 69.4 atom % of nickel, from 11.8 to 33.9 atom % of chromium, from 7.6 to 27.4 atom % of boron and from 7.6 to 17.5 atom % of silicon. The above article is preferably a tape or a sheet or a fiber having high mechanical properties and is particularly resistant to oxidation.
摘要翻译： 以下描述的是基于包含微晶硼化物的镍 - 铬 - 硅金属合金制品，其通过快速凝固和随后的镍铬 - 硼 - 硅金属合金的热处理获得，所述镍 - 铬 - 硼 - 硅金属合金包含39.0-69.4原子％的镍 ，11.8至33.9原子％的铬，7.6至27.4原子％的硼和7.6至17.5原子％的硅。 上述制品优选是具有高机械性能的带或片或纤维，并且特别耐氧化。
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公开(公告)号：US07678356B2
公开(公告)日：2010-03-16
申请号：US11807524
申请日：2007-05-29
CPC分类号： C01B3/065 , C01B6/04 , C01B6/21 , Y02E60/324 , Y02E60/362
摘要： A process is described for the preparation of magnesium borohydride having a high purity and crystallinity, which comprises the reaction of an orgenometallic compound of magnesium of the type MgX2, wherein X is an organic binder selected from alkyl, amide, alkoxide, cyclopentadienyl, aryl, with a derivative of a boron hydride, in a hydrocarbon solvent.
摘要翻译： 描述了一种制备具有高纯度和结晶度的硼氢化镁的方法，其包括MgX 2型镁的金属间化合物的反应，其中X是选自烷基，酰胺，醇盐，环戊二烯基，芳基， 与硼氢化物的衍生物在烃溶剂中反应。
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9.发明申请Method for the production of superconductive wires based on hollow filaments made of MgB2 审中-公开基于由MgB2制成的中空丝的超导丝的生产方法公开(公告)号：US20050159318A1
公开(公告)日：2005-07-21
申请号：US11074092
申请日：2005-03-07
申请人： Giovanni Giunchi , Sergio Ceresara
发明人： Giovanni Giunchi , Sergio Ceresara
CPC分类号： H01L39/2487 , B82Y30/00 , C04B35/62272 , C04B2235/401 , C04B2235/421 , C04B2235/5284 , C04B2235/79 , Y10S505/704 , Y10T29/49014
摘要： A method is described for the production of superconductive wires based on hollow filaments made of MgB2, which comprises: a) the formation of a composite billet by means of the coaxial insertion in a tubular metallic container of a cylindrical bar made of metallic magnesium and amorphous boron powder in the interspace between the container and bar, said powder being pressed between the metallic container and the magnesium bar, in such a quantity that the weight ratio magnesium/boron is higher than 1.2; b) at least one plastic deformation treatment of the composite billet thus obtained until a wire with a prefixed diameter is obtained, with the subsequent winding of the wire onto a support; c) a thermal treatment of the filament product thus obtained, at a temperature ranging from 700° C. to 950° C. for a time ranging from 15 minutes to three hours.
摘要翻译： 描述了一种用于生产基于由MgB 2 N 2制成的中空丝的超导丝的方法，其包括：a）通过同轴插入在管状金属容器中形成复合坯料 在金属容器和镁棒之间的间隙中将金属镁和无定形硼粉制成的圆柱形棒在金属容器和镁棒之间的间隙中，镁/硼的重量比高于1.2; b）对由此获得的复合钢坯进行至少一次塑性变形处理，直到获得具有预定直径的钢丝，随后将钢丝卷绕到支撑件上; c）将由此获得的长丝产品在700℃至950℃的温度范围内热处理15分钟至3小时。
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公开(公告)号：US08615867B2
公开(公告)日：2013-12-31
申请号：US12802762
申请日：2010-06-14
申请人： Giovanni Giunchi
发明人： Giovanni Giunchi
CPC分类号： H01L39/14 , C04B35/45 , C04B35/547 , C04B35/58057 , C04B2235/3213 , C04B2235/3272 , C04B2235/77 , C22C28/00 , C22C38/00 , H01L39/141 , H01L39/16 , H01L39/24 , H01L39/2477 , H01L39/2487
摘要： A superconductive element is described, comprising a rigid support made of a non-superconductive material, said support comprising at least one superconductive track formed by a groove containing a superconductive material having a density equal to at least 85% of the value of its theoretical density, and the process for producing said element. The present invention also relates to the possible uses of the superconductive elements, and also to superconductive devices comprising said superconductive elements.
摘要翻译： 描述了超导元件，其包括由非超导材料制成的刚性支撑件，所述支撑件包括至少一个超导轨道，该超导轨道由包含超过其理论密度值的至少85％的密度的超导材料的凹槽形成 ，以及所述元件的制造方法。 本发明还涉及超导元件的可能用途，以及包括所述超导元件的超导装置。
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