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11. 发明授权

US06620749B2 Light-weight black ceramic insulation 失效
公开(公告)号：US06620749B2
公开(公告)日：2003-09-16
申请号：US09972817
申请日：2001-10-09
申请人： Ming-Ta S. Hsu , Timothy S. Chen
发明人： Ming-Ta S. Hsu , Timothy S. Chen
IPC分类号： C04B3514
CPC分类号： C04B38/0045 , C04B2111/00982 , C04B35/565 , C04B35/56
摘要： Ultra-high temperature, light-weight, black ceramic insulation having a density ranging from about 0.12 g/cc. to 0.6 g/cc. such as ceramic tile is obtained by pyrolyzing siloxane gels derived from the reaction of at least one organo dialkoxy silane and at least one tetralkoxy silane in an acid or base liquid medium. The reaction mixture of the tetra- and dialkoxy silanes also may contain an effective amount of a mono- or trialkoxy silane to obtain the siloxane gels. The siloxane gels are dried at ambient temperatures and pressures to form siloxane ceramic precursors without significant shrinkage. The siloxane ceramic precursors are subsequently pyrolyzed, in an inert atmosphere, to form the black ceramic insulation comprising atoms of silicon, carbon and oxygen. The ceramic insulation can be characterized as a porous, uniform ceramic tile resistant to oxidation at temperatures ranging as high as 1700° C., and particularly useful as lightweight tiles for spacecraft and other high-temperature insulation applications.

12. 发明授权

US06472067B1 Non-flammable polymer composite panels 失效
标题翻译：不可燃聚合物复合板
公开(公告)号：US06472067B1
公开(公告)日：2002-10-29
申请号：US09963384
申请日：2001-09-27
申请人： Ming-Ta S. Hsu , Timothy S. Chen
发明人： Ming-Ta S. Hsu , Timothy S. Chen
IPC分类号： B32B900
CPC分类号： B32B27/12 , B32B5/024 , B32B27/04 , B32B2260/04 , B32B2262/101 , B32B2262/106 , C08J5/24 , C08J2383/04 , Y10T428/2918 , Y10T428/2962 , Y10T428/2971 , Y10T428/30 , Y10T428/31663
摘要： Non-flammable, fibrous-siloxane cured composites derived from the polymerization of dialkoxysilanes, trialkoxysilanes and tetraalkoxysilanes, in an aqueous medium, to obtain viscous polysiloxane resins. These siloxane resins are used to impregnate or coat various fibrous materials such as carbon fibers or glass cloth which are subsequently subjected to heat and pressure to form cured, non-flammable siloxane-impregnated composites e.g. panels having a density of about 1 to 3 g/cc. and a limited oxygen index above 30. These non-flammable, fibrous-siloxane composites are particularly useful in the manufacture of fire-proof materials for various transportation vehicles and for building materials e.g. panels as a fire barrier.
摘要翻译：衍生自二烷氧基硅烷，三烷氧基硅烷和四烷氧基硅烷在水性介质中聚合的不可燃，纤维状硅氧烷固化的复合材料，以获得粘性聚硅氧烷树脂。这些硅氧烷树脂用于浸渍或涂覆各种纤维材料，例如碳纤维或玻璃布，随后经受加热和加压以形成固化的不可燃的硅氧烷浸渍的复合材料。密度为约1至3g / cc的板。并且有限氧指数高于30。这些不易燃的纤维状硅氧烷复合材料特别适用于制造用于各种运输车辆和建筑材料的防火材料，例如，面板作为防火屏障。

13. 发明授权

US4676962A Preparation of B-trichloroborazine 失效
标题翻译：制备B-三氯硼嗪
公开(公告)号：US4676962A
公开(公告)日：1987-06-30
申请号：US901496
申请日：1986-08-28
申请人： Salvatore R. Riccitiello , Ming-Ta S. Hsu , Timothy S. Chen
发明人： Salvatore R. Riccitiello , Ming-Ta S. Hsu , Timothy S. Chen
IPC分类号： C01B35/14
CPC分类号： C01B35/146
摘要： The present invention relates to a method of preparing B-trichloroborazine, B.sub.3 N.sub.3 Cl.sub.3 H.sub.3. Generally, the method includes the combination of gaseous boron trichloride in an anhydrous aprotic organic solvent followed by addition of excess gaseous ammonia at ambient temperature or below. The reaction mixture is heated to between about 100.degree. to 140.degree. C. followed by cooling, removal of the solid ammonium chloride at ambient temperature, distillation of the solvent under vacuum if necessary at a temperature of up to about 112.degree. C., and recovery of the B-trichloroborazine. Solvents include, toluene, benzene, xylene, chlorinated hydrocarbons, chlorinated aromatic compounds, or mixtures thereof. Toluene is a preferred solvent. The process provides a convenient synthesis of a material which often decomposes on standing. B-trichloroborazine is useful in a number of chemical reactions, and particularly in the formation of high temperature inorganic polymers and polymer precursors.
摘要翻译：本发明涉及一种制备B-三氯硼嗪，B3N3Cl3H3的方法。通常，该方法包括将气态三氯化硼在无水非质子有机溶剂中的混合物，然后在环境温度或更低温度下加入过量的气态氨。将反应混合物加热至约100至140℃，然后冷却，在环境温度下除去固体氯化铵，如果需要，在高达约112℃的温度下，真空蒸馏溶剂，以及回收B三氯硼嗪。溶剂包括甲苯，苯，二甲苯，氯代烃，氯化芳族化合物或其混合物。甲苯是优选的溶剂。该方法提供了通常在静置时分解的材料的方便合成。 B-三氯硼嗪可用于多种化学反应，尤其是形成高温无机聚合物和聚合物前体。

14. 发明授权

US4647615A Structural panels 失效
标题翻译：结构面板
公开(公告)号：US4647615A
公开(公告)日：1987-03-03
申请号：US725727
申请日：1985-04-22
申请人： John A. Parker , Alvin H. Heimbuch , Ming-Ta S. Hsu , Timothy S. Chen
发明人： John A. Parker , Alvin H. Heimbuch , Ming-Ta S. Hsu , Timothy S. Chen
IPC分类号： C08F222/40 , C08F226/06
CPC分类号： C08F222/40 , C08F226/06
摘要： Vinyl pyridines including vinyl stilbazole materials and vinyl styrylpyridine oligomer materials are disclosed. These vinylpyridines form copolymers with bismaleimides which copolymers have good fire retardancy and decreased brittleness. The cure temperatures of the copolymers and substantially below the cure temperatures of the bismaleimides alone. Reinforced composites made from the cured copolymers are disclosed as well.
摘要翻译：公开了包括乙烯基芪类材料和乙烯基苯乙烯基吡啶低聚物材料的乙烯基吡啶。这些乙烯基吡啶与双马来酰亚胺形成共聚物，其共聚物具有良好的阻燃性和降低的脆性。共聚物的固化温度基本上低于单马来酰亚胺的固化温度。还公开了由固化的共聚物制成的增强复合材料。

15. 发明授权

US4568733A High performance mixed bisimide resins and composites based thereon 失效
标题翻译：高性能混合双酰亚胺树脂及其上的复合材料
公开(公告)号：US4568733A
公开(公告)日：1986-02-04
申请号：US719796
申请日：1985-04-04
申请人： John A. Parker , Alvin H. Heimbuch , Ming-ta S. Hsu , Timothy S. Chen
发明人： John A. Parker , Alvin H. Heimbuch , Ming-ta S. Hsu , Timothy S. Chen
IPC分类号： C08F222/40 , C08G73/12 , C08F220/70
CPC分类号： C08G73/126 , C08F222/40 , Y10T428/30 , Y10T428/31721
摘要： The present invention relates to mixed bismaleimide/biscitraconimide resins. Mixtures of the two resins produces materials which have better handling, processing or mechanical and thermal properties, particularly in graphite composites, than materials made with the individual resins. The mechanical strength of cured graphite composites prepared from a 1:1 copolymer of such bisimide resins is excellent at both ambient and elevated temperatures. The copolymer mixture provides improved composites which are lighter than metals and replace metals in many aerospace applications.
摘要翻译：本发明涉及混合双马来酰亚胺/双柠康酰亚胺树脂。两种树脂的混合物产生的材料具有比用各种树脂制成的材料更好的处理，加工或机械和热性能，特别是在石墨复合材料中。由这种双酰亚胺树脂的1：1共聚物制备的固化石墨复合材料的机械强度在环境温度和高温下是优异的。共聚物混合物提供了比金属更轻的改进的复合材料，并在许多航空航天应用中代替了金属。

16. 发明授权

US4526925A Copolymers of vinyl styrlpyridines or vinyl stilbazoles with bismaleimide 失效
标题翻译：乙烯基苯乙烯吡啶或乙烯基苯乙烯与双马来酰亚胺的共聚物
公开(公告)号：US4526925A
公开(公告)日：1985-07-02
申请号：US553339
申请日：1983-11-18
申请人： John A. Parker , Alvin H. Heimbuch , Ming-Ta S. Hsu , Timothy S. Chen
发明人： John A. Parker , Alvin H. Heimbuch , Ming-Ta S. Hsu , Timothy S. Chen
IPC分类号： C08F222/40 , C08F226/06
CPC分类号： C08F222/40 , C08F226/06
摘要： Vinyl pyridines including vinyl stilbazole materials and vinyl styrylpyridine oligomer materials are disclosed. These vinylpyridines form copolymers with bismaleimides which copolymers have good fire retardancy and decreased brittleness. The cure temperatures of the copolymers are substantially below the cure temperatures of the bismaleimides alone. Reinforced composites made from the cured copolymers are disclosed as well.
摘要翻译：公开了包括乙烯基芪类材料和乙烯基苯乙烯基吡啶低聚物材料的乙烯基吡啶。这些乙烯基吡啶与双马来酰亚胺形成共聚物，其共聚物具有良好的阻燃性和降低的脆性。共聚物的固化温度基本上低于单独的双马来酰亚胺的固化温度。还公开了由固化的共聚物制成的增强复合材料。

17. 发明授权

US4434106A Process for preparing perfluorotriazine elastomers and precursors thereof 失效
标题翻译：全氟三嗪弹性体及其前体的制备方法
公开(公告)号：US4434106A
公开(公告)日：1984-02-28
申请号：US366025
申请日：1982-04-06
申请人： Robert W. Rosser , Timothy S. Chen , Chung-Heng Cheng
发明人： Robert W. Rosser , Timothy S. Chen , Chung-Heng Cheng
IPC分类号： C07D251/24 , C07C123/00 , C07C120/00 , C07C121/43
CPC分类号： C07D251/24
摘要： Perfluoroether triazine elastomers having improved properties and utility in seals, gaskets, sealing components and the like are prepared from oligomeric imidoylamidines that have, in turn, been prepared by the process of (a) reacting a perfluorodinitrile with liquid ammonia to yield a perfluorodiamidine, (b) isolating the perfluorodiamidine, (c) reacting the isolated diamidine with a perfluorodinitrile to yield a perfluoro(imidoylamidine) dinitrile, and then repeating steps (a), (b), and (c) to sequentially grow an oligomer of desired molecular size. The isolated amidine and nitrile intermediates are also disclosed.
摘要翻译：具有改进的性能和用途的全氟醚三嗪弹性体由密封剂，垫圈，密封组分等制备，其通过以下方法制备：反应通过以下方法制备：（a）使全氟丁腈与液氨反应得到全氟二氨基吡啶（ b）分离全氟二氨基吡啶，（c）使分离的脒与全氟丁腈反应，得到全氟（亚氨基脒）二腈，然后重复步骤（a），（b）和（c）顺序生长所需分子尺寸的低聚物。还公开了分离的脒和腈中间体。

18. 发明授权

US5618766A Lightweight ceramic composition of carbon silicon oxygen and boron 失效
标题翻译：轻质陶瓷组成的碳硅氧和硼
公开(公告)号：US5618766A
公开(公告)日：1997-04-08
申请号：US681146
申请日：1996-07-22
申请人： Daniel B. Leiser , Ming-Ta Hsu , Timothy S. Chen
发明人： Daniel B. Leiser , Ming-Ta Hsu , Timothy S. Chen
IPC分类号： C04B38/00 , C04B35/571 , C04B35/58
CPC分类号： C04B38/0022
摘要： Lightweight, monolithic ceramics resistant to oxidation in air at high temperatures are made by impregnating a porous carbon preform with a sol which contains a mixture of tetraethoxysilane, dimethyldiethoxysilane and trimethyl borate. The sol is gelled and dried on the carbon preform to form a ceramic precursor. The precursor is pyrolyzed in an inert atmosphere to form the ceramic which is made of carbon, silicon, oxygen and boron. The carbon of the preform reacts with the dried gel during the pyrolysis to form a component of the resulting ceramic. The ceramic is of the same size, shape and form as the carbon precursor. Thus, using a porous, fibrous carbon precursor, such as a carbon felt, results in a porous, fibrous ceramic. Ceramics of the invention are useful as lightweight tiles for a reentry spacecraft.
摘要翻译：通过用包含四乙氧基硅烷，二甲基二乙氧基硅烷和硼酸三甲酯的混合物的溶胶浸渍多孔碳预制件来制备耐高温空气中的氧化的轻质的整体陶瓷。将该溶胶凝胶化并在碳预制体上干燥以形成陶瓷前体。前体在惰性气氛中热解形成由碳，硅，氧和硼制成的陶瓷。在热解期间，预型体的碳与干燥的凝胶反应形成所得陶瓷的组分。陶瓷与碳前体具有相同的尺寸，形状和形状。因此，使用诸如碳毡的多孔纤维状碳前体产生多孔的纤维状陶瓷。本发明的陶瓷可用作折返航天器的轻质瓦片。

19. 发明授权

US5130278A Boron-carbon-silicon polymers and ceramic and a process for the production thereof 失效
标题翻译：硼 - 碳 - 硅聚合物和陶瓷及其生产方法
公开(公告)号：US5130278A
公开(公告)日：1992-07-14
申请号：US643629
申请日：1991-01-18
申请人： Salvatore Riccitiello , Ming-Ta Hsu , Timothy S. Chen
发明人： Salvatore Riccitiello , Ming-Ta Hsu , Timothy S. Chen
IPC分类号： C04B35/571 , C08G77/60 , C08G79/08
CPC分类号： C08G79/08 , C04B35/571 , C08G77/60
摘要： The present invention relates to a process for the production of an organoborosilicon preceramic polymer of the structure: ##STR1## wherein R.sup.1 is selected from alkyl having from 1 to 10 carbon atoms or phenyl, and x is selected from 0, 1, 2 or 3;which is pyrolyzable to produce a refractory material comprising inorganic compounds of Si, C and B, which process comprises:contacting a silicon containing compound of the structure:(R.sup.1).sub.x --Si--(CH.dbd.CH.sub.2).sub.4-x or (R.sup.1).sub.x Si--(C.tbd.CH).sub.4-xwith a boron containing compound selected from H.sub.3 B:BH.sub.3, H.sub.3 B:NH.sub.3, BH.sub.3 :N(R.sup.2).sub.3 wherein R.sub.2 is selected from methyl, ethyl, propyl, butyl or phenyl in an inert atmosphere at a temperature of between about 90.degree. and 170.degree. C. for between about 0.1 and 20 hr and recovering the prepolymer. The prepolymer is pyrolyzed to produce a ceramic article useful in high temperature (e.g., aerospace) or extreme environmental applications.
摘要翻译：本发明涉及一种制备有机硼硅前驱体聚合物的方法，其结构如下：其中R 1选自具有1至10个碳原子的烷基或苯基，x选自0,1或2， 2或3; 其可热解以制备包含Si，C和B的无机化合物的耐火材料，该方法包括：使含有结构的含硅化合物：（R1）x-Si-（CH = CH2）4-x或（R1） x Si-（C 3 CH 3）4-x与选自H 3 B：BH 3，H 3 B：NH 3，BH 3 :N（R 2）3的含硼化合物反应，其中R 2选自甲基，乙基，丙基，丁基或苯基，气温在约90℃至170℃之间的温度下进行约0.1至20小时，并回收预聚物。预聚物被热解以产生在高温（例如航空航天）或极端环境应用中有用的陶瓷制品。

20. 发明授权

US4567301A Perfluoro (Imidoylamidine) diamidines 失效
标题翻译：全氟（亚氨基脒）二脒
公开(公告)号：US4567301A
公开(公告)日：1986-01-28
申请号：US741405
申请日：1985-06-05
申请人： Robert W. Rosser , Timothy S. Chen , Chung-Heng Cheng
发明人： Robert W. Rosser , Timothy S. Chen , Chung-Heng Cheng
IPC分类号： C07D251/24 , C07C123/00
CPC分类号： C07D251/24
摘要： Perfluoroether triazine elastomers having improved properties are prepared from oligomeric imidoylamidines that have, in turn, been prepared by the process of (a) reacting a perfluorodinitrile with liquid ammonia to yield a perfluorodiamidine, (b) isolating the perfluorodiamidine, (c) reacting the isolated diamidine with a perfluorodinitrile to yield a perfluoro(imidoylamidine) dinitrile, and then repeating steps (a), (b), and (c) to sequentially grow an oligomer of desired molecular size. The isolated amidine and nitrile intermediates are also disclosed. The elastomers can be fashioned into seals, gaskets, sealing components and the like.
摘要翻译：具有改进性能的全氟醚三嗪弹性体由低聚亚氨基酰胺制备，其又通过以下方法制备：（a）使全氟丁腈与液氨反应得到全氟二氨基吡啶，（b）分离全氟二氨基，（c）（a），（b）和（c），以顺序生长所需分子大小的低聚物，得到全氟（亚氨基脒）二腈，然后重复步骤（a），（b）和（c）。还公开了分离的脒和腈中间体。弹性体可以形成密封件，垫圈，密封部件等。

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