Propellant plasticizer
    22.
    发明授权
    Propellant plasticizer 失效
    推进剂增塑剂

    公开(公告)号:US4482406A

    公开(公告)日:1984-11-13

    申请号:US491111

    申请日:1983-05-03

    CPC classification number: C08G18/69 C06B45/10 C08G18/284 C08K5/101

    Abstract: A plasticizer for propellant compositions is 2-hydroxy-3-butoxypropyl oleate. The plasticizer can be incorporated into propellants which conventionally include a binder fuel component, oxidizer component, isocyanate curing agent as well as other conventional components as desired such as bonding agents, curing catalysts and ballistic modifiers. Specifically, a preferred propellant having the internal plasticizer therein includes ammonium perchlorate oxidizer, HTPB binder, aluminum powder fuel, isophorone diisocyanate curing agent, a bonding agent and a delayed quick-cure catalyst. The migration of the plasticizer is substantially reduced so as to extend the shelf-life of rocket motors having the plasticized propellant therein.

    Abstract translation: 推进剂组合物的增塑剂是油酸2-羟基-3-丁氧基丙基酯。 增塑剂可以掺入通常包括粘合剂燃料组分,氧化剂组分,异氰酸酯固化剂以及所需的其它常规组分如粘合剂,固化催化剂和弹道改性剂的推进剂中。 具体地说,优选的具有内部增塑剂的推进剂包括高氯酸铵氧化剂,HTPB粘合剂,铝粉末燃料,异佛尔酮二异氰酸酯固化剂,粘合剂和延迟快速固化催化剂。 增塑剂的迁移显着减少,从而延长其中具有增塑推进剂的火箭发动机的保质期。

    Controlling H2 distribution in a horizontal stirred bed reactor
    24.
    发明申请
    Controlling H2 distribution in a horizontal stirred bed reactor 有权
    在卧式搅拌床反应器中控制H2分布

    公开(公告)号:US20120022222A1

    公开(公告)日:2012-01-26

    申请号:US13134536

    申请日:2011-06-09

    CPC classification number: C08F10/00 C08F2400/02 C08F2/01 C08F2/001 C08F2/34

    Abstract: An olefin polymerization process comprises gas-phase polymerization of at least one olefin monomer in more than one polymerization zones in one or more polymerization reactors using a high activity catalyst injected in the front end of the reactor to give solid polymer particles. According to the process of the invention, different hydrogen to olefin ratios are controlled and applied to the reactor leading to the production of very different molecular weights and therefore broadening the molecular weight distribution of the polymer produced.

    Abstract translation: 烯烃聚合方法包括使用注入反应器前端的高活性催化剂在一个或多个聚合反应器中的多于一个聚合区中的至少一种烯烃单体进行气相聚合,得到固体聚合物颗粒。 根据本发明的方法,控制不同的氢气与烯烃的比例并将其应用于反应器,导致产生非常不同的分子量,从而扩大了所生产的聚合物的分子量分布。

    Sticky high water content gels for extinguishers
    26.
    发明授权
    Sticky high water content gels for extinguishers 失效
    粘性高含水量的灭火器凝胶

    公开(公告)号:US6001270A

    公开(公告)日:1999-12-14

    申请号:US039503

    申请日:1998-03-16

    CPC classification number: A62D1/0064 Y10S516/921 Y10S516/922

    Abstract: Sticky high water content gelled fire extinguisher compositions hold the antage of providing a high water content, slightly viscous (sticky) gel with flow properties similar to water. The ability of this material to stick to burning surfaces is what sets it apart from water extinguishers. Not only are fires extinguished, but also surfaces are cooled by the sticky gel as the water evaporates. The basic gelled fire extinguisher composition is comprised of about 88 weight percent water and about 12 weight percent of a 7 nanometer particle size silicon dioxide gellant. The silicon dioxide gellant is available as EH5 tradename by Cabot for this silicon dioxide gellant. Other ingredients such as dispersants, wetting agents and flame retardants can be used as additives in combination with the gelling agent. The actual gel system is inexpensive, made from readily available ingredients and easily prepared.

    Abstract translation: 粘性高含水量的凝胶灭火器组合物具有提供高水含量,稍粘性(粘性)凝胶的优点,其流动性质类似于水。 这种材料粘在燃烧表面上的能力是将其与灭火器分开。 火不仅灭火,而且随着水蒸发,表面也被粘性凝胶冷却。 基本的凝胶灭火器组合物由约88重量%的水和约12重量%的7纳米颗粒尺寸的二氧化硅胶凝剂组成。 二氧化硅胶凝剂可作为Cabot的EH5商品名称提供给该二氧化硅凝胶剂。 其它成分如分散剂,润湿剂和阻燃剂可以与胶凝剂组合使用作为添加剂。 实际的凝胶体系是廉价的,由容易获得的成分制成,容易制备。

    Cool insulator
    27.
    发明授权
    Cool insulator 失效
    冷绝缘子

    公开(公告)号:US5830384A

    公开(公告)日:1998-11-03

    申请号:US885703

    申请日:1997-06-30

    CPC classification number: C09K5/00

    Abstract: The cool insulator incorporates a water gel coolant and poly-p-ethylene tphthalamide fibers (Kevlar) in an elastomeric rubber binder selected from the group consisting of silicon rubber, ethylene-propylene-diene-monomer, polybutadiene, and polyisoprene. The fiber provides erosion resistance required for long motor burning periods. This insulation includes a submicroscopic particulate water source with high temperature water release properties. The submicroscopic particulate water source is in the form of a flowable solid when formulated and in a weight percent amount from about 10 to about 20. The preferred water source is submicroscopic particulate silica containing over 11.times.10.sup.15 particles per gram and has a surface area of about 200 square meters per gram. The submicroscopic particulate silica is known as "dry water" and specifically described by its method of preparation in commonly assigned U.S. Pat. No. 4,008,170. The submicroscopic particulate silica water source is retained during processing and during a curing temperature up to about of 145.degree. F. The specific water source functions to provide water retention cooling up to about 150.degree. C. to thereby provide more efficient cooling as a result of lowering the thermal conductivity of the cool insulator in which it is formulated.

    Abstract translation: 冷却绝缘体在弹性橡胶粘合剂中包含水凝胶冷却剂和聚对乙烯对苯二甲酰胺纤维(Kevlar),其选自硅橡胶,乙烯 - 丙烯 - 二烯 - 单体,聚丁二烯和聚异戊二烯。 纤维提供长时间电机燃烧期所需的耐腐蚀性。 该绝缘材料包括具有高温脱水性能的亚显微颗粒水源。 亚显微粒状水源为配制时的可流动固体形式,重量百分比为约10至约20.优选的水源为含有超过11×10 15个颗粒/克并具有约200的表面积的亚显微颗粒二氧化硅 平方米每克。 亚显微颗粒二氧化硅被称为“干水”,并且通过其在共同转让的美国专利No. 第4,008,170。 亚微观颗粒状二氧化硅水源在加工过程中和固化温度高达约145°F期间保留。具体的水源用于提供高达约150℃的保水冷却,从而提供更有效的冷却作为由 降低其配制的冷绝缘体的导热性。

    High energy fuel gel slurries
    28.
    发明授权
    High energy fuel gel slurries 失效
    高能燃料凝胶浆

    公开(公告)号:US5597947A

    公开(公告)日:1997-01-28

    申请号:US578004

    申请日:1995-12-22

    CPC classification number: C10L7/02

    Abstract: This invention involves a process for improving the energy and ignitability of a metal slurry gel rocket fuel by the use of an energetic metal compound of higher energy than the parent metal. An energetic metal compound is added slowly to a liquid rocket fuel with appropriate stirring to form a suspension of the metallic compound in the liquid fuel. To this is added a small quantity of a gelling agent, such as silicon dioxide, with stirring, to form an energetic metal fuel gel. The energetic metal compound is prepared by using a high purity metal in the form of a wire. As an example, a sample of aluminum wire weighing 2.26 grams is supplied with an external source of high voltage and amperes, while the wire is in an environment of an inert gas (e.g., argon) under about 40 atmospheres pressure, to achieve electrical explosion of the wire. The product produced is a fine, gray, non-conductive powder in high yield. This powder contains aluminum and argon. This powder can be used to replace the aluminum of a prior art thixotropic fuel gel to obtain a thixotropic fuel gel with an improved performance with higher energy.

    Abstract translation: 本发明涉及通过使用比母体金属更高能量的高能金属化合物来改善金属浆料凝胶火箭燃料的能量和可燃性的方法。 在适当的搅拌下将能量高的金属化合物缓慢加入到液体火箭燃料中以形成金属化合物在液体燃料中的悬浮液。 在搅拌下向其中加入少量胶凝剂,例如二氧化硅,以形成高能金属燃料凝胶。 通过使用线形式的高纯度金属制备高能金属化合物。 例如,一个重2.26克的铝线样品供应一个高压和安培的外部电源,而在大约40个大气压下,电线处于惰性气体(如氩气)的环境中,以实现电气爆炸 的电线。 所生产的产品是高质量的细灰色非导电粉末。 该粉末含有铝和氩。 该粉末可用于替代现有技术的触变燃料凝胶的铝,以获得具有更高能量的改进性能的触变燃料凝胶。

    Fullerene rocket fuels
    29.
    发明授权
    Fullerene rocket fuels 失效
    富勒烯火箭燃料

    公开(公告)号:US5341639A

    公开(公告)日:1994-08-30

    申请号:US5729

    申请日:1993-01-19

    CPC classification number: F02K9/08 C10L5/00 F02K7/18 Y10S977/948

    Abstract: Solid fuel gas generator compositions for use in ducted rockets, in which fullerenes or substituted fullerenes are used. Fullerene compounds in which easily oxidizable groups, oxidizing groups, or salts of oxidizing acids are attached to the spherical carbon skeleton of the fullerene.

    Abstract translation: 用于管道火箭的固体燃料气体发生器组合物,其中使用富勒烯或取代的富勒烯。 其中容易氧化的基团,氧化基团或氧化酸的盐的富勒烯化合物附着在富勒烯的球形碳骨架上。

    Mold release composition and method coating a mold core
    30.
    发明授权
    Mold release composition and method coating a mold core 失效
    脱模组合物和涂覆模芯的方法

    公开(公告)号:US5298556A

    公开(公告)日:1994-03-29

    申请号:US43038

    申请日:1993-04-05

    CPC classification number: B29C33/64 C09D183/04 B29K2083/00

    Abstract: An aqueous reaction mixture having a pH of 4.5 to 5.5 of a multi-functional polydimethyl siloxane emulsified polymer, a methyl triethoxy silane, a mixture of substituted nonyl and octyl phenol derivative surfactants, non-ionic fluorinated alkyl ester surfactant and synthetic ethoxylated amine surfactants, a silanol terminated polydimethyl siloxane and ethanol. The reaction mixture is coated on a mold core surface and cured with heat to form a mold release surface that can be used in excess of twenty times prior to recoating.

    Abstract translation: pH为4.5〜5.5的多官能聚二甲基硅氧烷乳化聚合物,甲基三乙氧基硅烷,取代的壬基和辛基酚衍生物表面活性剂的混合物,非离子氟化烷基酯表面活性剂和合成乙氧基化胺表面活性剂的水性反应混合物, 硅烷醇封端的聚二甲基硅氧烷和乙醇。 将反应混合物涂覆在模芯表面上并用热固化以形成脱模表面,其可在重涂之前使用超过二十次。

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