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公开(公告)号：US4461908A
公开(公告)日：1984-07-24
申请号：US481867
申请日：1983-04-04
IPC分类号： C07F7/08
CPC分类号： C07F7/0896
摘要： The invention provides a novel and efficient method for the preparation of methyl hydrogensilanes, e.g. dimethyl silane, 1,1,2,2-tetramethyl disilane and 1,1,2,2,3,3-hexamethyl trisilane, with large demand in the industry of silicones as an intermediate for the synthesis of other valuable organosilicon compounds such as methyl hydrogenchlorosilanes. The inventive method comprises pyrolysis of a methyl polysilane composed of at least 60% by moles of dimethylsilicon units, the balance being monomethyl- and trimethylsilicon units, at a temperature in the range from 350.degree. to 800.degree. C.
摘要翻译： 本发明提供了一种制备甲基氢硅烷的新型和有效的方法，例如 二甲基硅烷，1,1,2,2-四甲基乙硅烷和1,1,2,2,3,3-六甲基丙硅烷，其中硅氧烷作为合成其它有价值的有机硅化合物的中间体有很大的需求，如 甲基氢氯硅烷。 本发明的方法包括在350℃至800℃的温度范围内热解由至少60摩尔％的二甲基硅单元组成的甲基聚硅烷，余量为单甲基和三甲基硅单元。
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52.发明授权Benzoin group-containing cyclic organopolysiloxanes and a method for the preparation thereof 失效含有苯偶姻基团的环状有机聚硅氧烷及其制备方法
公开(公告)号：US4337348A
公开(公告)日：1982-06-29
申请号：US274631
申请日：1981-06-17
申请人： Minoru Takamizawa , Fumio Okada , Hisashi Aoki
发明人： Minoru Takamizawa , Fumio Okada , Hisashi Aoki
CPC分类号： C08G77/045 , C07F7/0885 , C07F7/21 , C08F2/50
摘要： The invention provides a benzoin group-containing cyclic organopolysiloxane, which belongs to a novel class of organosilicon compounds hitherto not known or not described in any prior art literatures. The compound has at least one benzoin group of the formula ##STR1## in which Ph is a phenyl group and R.sup.1 is a hydrogen atom or an alkyl group having from 1 to 4 carbon atoms or, in particular, a methyl group, directly bonded to the silicon atom in the cyclic tri-, tetra-, penta- or hexasiloxane. The compound is useful as a sensitizer for the crosslinking reaction of a photo- or radiation-curable organopolysiloxane composition owing to the high miscibility of the inventive compounds with the organopolysiloxane composition.
摘要翻译： 本发明提供了一种含苯偶姻基的环状有机聚硅氧烷，其属于迄今为止在任何现有技术文献中未知或未描述的新一类有机硅化合物。 该化合物具有至少一个式“IMAGE”的苯偶姻基团，其中Ph是苯基，R 1是氢原子或具有1至4个碳原子的烷基或特别是甲基，直接键合到 环状三，四，五或六硅氧烷中的硅原子。 由于本发明化合物与有机聚硅氧烷组合物的高混溶性，该化合物可用作光或可辐射固化的有机聚硅氧烷组合物的交联反应的敏化剂。
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53.发明授权
公开(公告)号：US5041515A
公开(公告)日：1991-08-20
申请号：US571132
申请日：1990-08-02
IPC分类号： C04B35/565 , C04B35/56 , C04B35/571 , C04B35/583 , C04B35/589 , C04B35/622 , C04B35/63 , C08G77/60 , C08G77/62 , C08G79/00
CPC分类号： C08G79/00 , C04B35/571 , C04B35/583 , C04B35/589 , C04B35/62227 , C04B35/6316 , C08G77/60 , C08G77/62
摘要： Polytitanocarbosilazane polymers useful as ceramic precursors are prepared by reacting organic silicon compounds of first and second types, a titanium compound, and a disilazane. Ceramic fibers are obtained by melt spinning the polymers followed by infusibilization and pyrolysis.
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54.发明授权Process for manufacturing organic silazane polymers and process for manufacturing ceramics from the polymers 失效用于制造有机硅氮烷聚合物的方法和由聚合物制造陶瓷的方法
公开(公告)号：US4870035A
公开(公告)日：1989-09-26
申请号：US212438
申请日：1988-06-28
IPC分类号： C08G77/48 , C04B35/571 , C04B35/589 , C08G77/62
CPC分类号： C04B35/589 , C08G77/62
摘要： A process for manufacturing an organic silazane polymer which comprises reacting ammonia with a mixture of methyldichlorosilane, methyltrichlorosilane and dimethyldichlorosilane to obtain an ammonolysis product. The ammonolysis product is polymerized in the presence of a basic catalyst capable of deprotonation to obtain an organic silazane polymer. The silazane polymer may be further melted, shaped and infusibilized. The thus infusibilized product is finally sintered to obtain a ceramic material.
摘要翻译： 一种制备有机硅氮烷聚合物的方法，其包括使氨与甲基二氯硅烷，甲基三氯硅烷和二甲基二氯硅烷的混合物反应以获得氨解产物。 氨解产物在能够去质子化的碱性催化剂存在下聚合，得到有机硅氮烷聚合物。 硅氮烷聚合物可以进一步熔融，成型和不熔化。 将这样的不熔化产物最终烧结得到陶瓷材料。
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公开(公告)号：US4728431A
公开(公告)日：1988-03-01
申请号：US771985
申请日：1985-09-03
CPC分类号： B01D61/362 , B01D63/02 , B01D71/44
摘要： The efficiency of the pervaporation method for the separation or enrichment of liquids in mixture, e.g. water and ethyl alcohol, can be greatly improved when the partitioning membrane is made of a polymeric composition comprising a specific organosilyl-substituted polyenic polymer composed of the monomeric moieties represented by the general formula ##STR1## in which R.sup.1 is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms and the groups denoted by R are each independently a hydrogen atom, a monovalent hydrocarbon group having 1 to 8 carbon atoms or a silicon-containing organic group such as those represented by the general formula --CH.sub.2 --SiMe.sub.2 R.sup.2, Me being a methyl group and R.sup.2 being a lower alkyl group having 1 to 4 carbon atoms. The performance and durability of the membrane can be further improved when the polymeric composition is a polymer blend of the above described polyenic polymer and a poly(trimethyl vinyl silane).
摘要翻译： 用于分离或富集混合物中的液体的渗透蒸发方法的效率，例如 当分隔膜由包含由通式“IMAGE”表示的单体部分组成的特定有机甲硅烷基取代的多烯聚合物的聚合物组合物中可以大大改善，其中R 1是氢原子或烷基 具有1至4个碳原子的基团和由R表示的基团各自独立地为氢原子，具有1至8个碳原子的一价烃基或含硅的有机基团，例如由通式-CH 2 -SiMe 2 R 2表示的基团， Me为甲基，R2为碳原子数1〜4的低级烷基。 当聚合物组合物是上述多元聚合物与聚（三甲基乙烯基硅烷）的聚合物共混物时，可以进一步改善膜的性能和耐久性。
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56.发明授权
公开(公告)号：US4604367A
公开(公告)日：1986-08-05
申请号：US682796
申请日：1984-12-18
CPC分类号： D01F9/08 , C04B35/571 , C08G79/08
摘要： The invention provides a novel inorganic fiber composed of the elements of silicon, carbon, boron and nitrogen of which the Si/B molar ratio is 2:1 to 200:1. The inorganic fiber is obtained by a method comprising the steps of: (a) preparing an organoborosilicon polymer by heating a mixture of an organopolysilane and an organoborazine compound, e.g. B-trimethyl-N-triphenyl borazine, to effect thermal decomposition and polycondensation reaction; (b) spinning the polymer into a fibrous form; (c) infusibilizing the fiber of the polymer by thermally oxidizing in an oxidizing atmosphere or by irradiating with ionizing radiations; and (d) calcining the infusibilized fiber at 900.degree. to 1800.degree. C. The inventive inorganic fiber is more stable at high temperatures than conventional silicon carbide fibers.
摘要翻译： 本发明提供一种由硅，碳，硼和氮元素组成的新型无机纤维，Si / B摩尔比为2：1至200：1。 无机纤维通过包括以下步骤的方法获得：（a）通过加热有机聚硅烷和有机硼嗪化合物的混合物制备有机硼硅聚合物，例如 B-三甲基-N-三苯基环硼氮烷进行热分解和缩聚反应; （b）将聚合物纺丝成纤维状; （c）通过在氧化气氛中热氧化或通过照射电离辐射来使聚合物的纤维熔融化; 和（d）在900〜1800℃煅烧不熔化纤维。本发明的无机纤维在高温下比常规碳化硅纤维更稳定。
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公开(公告)号：US4588832A
公开(公告)日：1986-05-13
申请号：US682267
申请日：1984-12-17
IPC分类号： C07F7/08
CPC分类号： C07F7/0827
摘要： The invention provides a novel and economical route for the synthetic preparation of a 1-alkynyl trihydrocarbyl silane compound. The method comprises the steps of reacting metallic sodium with a hydrocarbyl-substituted acetylene or allene compound to form a substituted sodium acetylide and reacting the acetylide with a trihydrocarbyl monohalogenosilane in the reaction mixture which is admixed with a polar organic solvent such as dimethylformamide.
摘要翻译： 本发明提供了用于合成制备1-炔基三烃基硅烷化合物的新颖且经济的途径。 所述方法包括使金属钠与烃基取代的乙炔或二烯化合物反应以形成取代的乙炔化钠，并将该乙炔化物与三烃基一卤代硅烷反应在与极性有机溶剂如二甲基甲酰胺混合的反应混合物中。
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公开(公告)号：US4243607A
公开(公告)日：1981-01-06
申请号：US739049
申请日：1976-11-05
申请人： Minoru Takamizawa , Haruo Okamoto , Mitsuo Umemura , Kazuo Kooya
发明人： Minoru Takamizawa , Haruo Okamoto , Mitsuo Umemura , Kazuo Kooya
CPC分类号： C07C17/275
摘要： An ethylenic hydrocarbon is reacted with carbon tetrachloride in the presence of an alkyl phosphite, an iron chloride and a nitrile compound. According to this process, tetrachloroalkanes having more than two carbon atoms can be obtained in high yields.
摘要翻译： 在亚烷基烷基酯，氯化铁和腈化合物的存在下，使烯烃与四氯化碳反应。 根据该方法，可以高收率地得到碳原子数为2以上的四氯烷烃。
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公开(公告)号：US4131717A
公开(公告)日：1978-12-26
申请号：US797336
申请日：1977-05-16
CPC分类号： G11B5/71 , Y10S428/90 , Y10T428/31663 , Y10T428/31667
摘要： A magnetic recording medium including a non-magnetic base and a magnetic layer thereon which contains and/or is coated with an organopolysiloxane having an average unit with the formula: exhibits(CH.sub.3)(RO).sub.n (R'COO).sub.m SiO.sub.(3-n-m)/2wherein R is a monovalent hydrocarbon group having from 1 to 5 carbon atoms, R' is an aliphatic monovalent hydrocarbon group having from 7 to 17 carbon atoms; n is zero or a positive number, m is a positive number with the proviso that n + m is less than 3 and the number of Si atoms in a molecule of such organopolysiloxane ranges from 2 to 8. Magnetic recording medium containing such organopolysiloxane material exhibit a substantially reduced dynamic friction coefficient and a substantially reduced tendency of the magnetic layer to lose magnetic particles, along with an improved splicing-ability.
摘要翻译： 一种包含非磁性基底和磁性层的磁记录介质，其包含和/或涂覆有具有下式的平均单元的有机聚硅氧烷：
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公开(公告)号：US4089882A
公开(公告)日：1978-05-16
申请号：US812855
申请日：1977-07-05
申请人： Minoru Takamizawa , Mitsuo Umemura , Kazuo Kooya
发明人： Minoru Takamizawa , Mitsuo Umemura , Kazuo Kooya
CPC分类号： C07F7/12 , C07F7/14 , C07F7/1804 , C07F7/1876
摘要： Fluoroalkylsilanes of the general formula R'CH.sub.2 CH.sub.2 SiR.sub.n X.sub.3-n are prepared by reaction of an organohydrogensilane of the general formula R.sub.n SiHX.sub.3-n with a fluoroolefin of the general formula R'CH.dbd.CH.sub.2, where R is an alkyl or aryl group, R' is a perfluoroalkyl group, X is a halogen atom or an alkoxy group and n is 0, 1 or 2 in the presence of a binary catalyst composed of a platinum compound and stannous chloride under relatively mild conditions of temperature and pressure, at a very high yield.
摘要翻译： 通式R'CH2CH2SiRnX3-n的氟烷基硅烷通过将通式为R n SiHX 3-n的有机氢硅烷与通式R'CH = CH 2的氟烯烃反应制备，其中R是烷基或芳基，R'是 在相当温和的温度和压力条件下，在铂化合物和氯化亚锡组成的二元催化剂的存在下，以非常高的产率，X是卤素原子或烷氧基，n是0,1或2。
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