Double-base solid propellants
    1.
    发明授权
    Double-base solid propellants 失效
    双基固体推进剂

    公开(公告)号:US4416712A

    公开(公告)日:1983-11-22

    申请号:US360963

    申请日:1982-03-23

    IPC分类号: C06B23/00 C06B25/26

    CPC分类号: C06B23/007

    摘要: The present invention relates to double-base solid propellant mixtures whose burning characteristic is regulated by the addition of certain moderators such that the burn rates obtained are achieved independently of the temperature and pressure during the burn. This regulation is accomplished by the addition of a mixture of carbon black and cellulose acetate. The weight ratio of carbon black to cellulose acetate in this mixture is between 1:0.5 and 1:10. Depending on the composition of the solid propellant, the combustion of the rocket fuel can be regulated by regulating this mixture within the stated limits such that it takes place independently of temperature and pressure. The amount of the carbon black and cellulose acetate mixture present in the fuel can vary between 0.2 and 6% by weight; the carbon black is contained in the propellants of the invention in amounts between 0.05 and 1.0% by weight. The charges contain as the energy-supplying component a mixture of cellulose nitrate and nitroglycerin, as well as known additives to facilitate working and increase the rate of burn. The effect in accordance with the invention is found also in those propellant charges which additionally contain as energy-supplying component still other known, high-energy substances.

    摘要翻译: 本发明涉及双基固体推进剂混合物,其燃烧特性通过添加某些减速剂来调节,使得获得的燃烧速率独立于燃烧期间的温度和压力而实现。 该调节通过加入炭黑和乙酸纤维素的混合物来实现。 该混合物中炭黑与乙酸纤维素的重量比为1:0.5至1:10。 根据固体推进剂的组成,火箭燃料的燃烧可以通过将该混合物调节到规定的限度内来调节,使其独立于温度和压力进行。 燃料中存在的炭黑和乙酸纤维素混合物的量可以在0.2和6重量%之间变化; 本发明的推进剂中含有的炭黑的量为0.05-1.0重量%。 电荷作为能量供应组分包含硝酸纤维素和硝酸甘油的混合物,以及有助于加工并增加燃烧速率的已知添加剂。 根据本发明的效果也可以在另外包含作为其他已知的高能量物质的能量供应成分的那些推进剂装料中找到。

    Temperature-compensating propellant charge
    4.
    发明授权
    Temperature-compensating propellant charge 失效
    温度补偿推进剂充电

    公开(公告)号:US4106960A

    公开(公告)日:1978-08-15

    申请号:US763161

    申请日:1977-01-27

    IPC分类号: C06B45/22

    CPC分类号: C06B45/22

    摘要: A propellant charge composition comprising individual powder particles of a nitrocellulose propellant coated with a coating of an acrylic resin and a process for its preparation. Also disclosed is a propellant charge composition of the type described containing a second propellant.

    摘要翻译: 一种推进剂装料组合物,其包含涂覆有丙烯酸树脂涂层的硝化纤维素推进剂的单个粉末颗粒及其制备方法。 还公开了所述类型的推进剂电荷组合物,其包含第二推进剂。

    Process for the production of propellant charge powders, especially
nitroguanidine powders
    5.
    发明授权
    Process for the production of propellant charge powders, especially nitroguanidine powders 失效
    用于生产丙烯酸酯粉末,特别是硝基胍粉末的方法

    公开(公告)号:US4051207A

    公开(公告)日:1977-09-27

    申请号:US644949

    申请日:1975-12-29

    IPC分类号: C06B21/00

    摘要: A process for producing propellant charge powders from solvent-containing mixtures such as nitroguanidine powders containing nitrocellulose and/ or nitrocellulose and diglycol dinitrate or nitroglycerin and nitroguanidine and additives wherein an alcohol-containing mixture or optionally a water-containing mixture of said propellant charge powders is premixed with additional components of the propellant powder, the mixture is first dried, if necessary, and the solvent is incorporated therein and the solvent-containing premix is homogenized and preplasticized in a kneading device or the water-containing premix is homogenized and preplasticized in the kneading device and then the resultant mixture is dewatered by drying and then combined with a solvent; then the solvent-containing mixture is plasticized in an extruder and converted thereby into granular form and the resulting granular material is extruded into a final product form in a screw-type extruder. Subsequently, the solvent is evaporated therefrom.

    Single- or multiple-base powder charges for propellants and process for
their manufacture
    6.
    发明授权
    Single- or multiple-base powder charges for propellants and process for their manufacture 失效
    用于推进剂的单或多基粉末装料及其制造方法

    公开(公告)号:US4627352A

    公开(公告)日:1986-12-09

    申请号:US611165

    申请日:1984-02-17

    IPC分类号: C06B21/00 F42B5/16 C06B45/00

    CPC分类号: F42B5/16 C06B21/0091

    摘要: A single- or multiple-base powder charge for propellants is made up of at least one powder grain in the form of a shaped mass of powder having at least one internal cavity. The diameters of the internal cavities within the powder grains making up the charge are different and at least a portion thereof is smaller than the critical diameter that corresponds to the ignition pressure and that governs the penetration of the ignition flame into the internal cavities. With this arrangement at least a portion of the internal cavities is ignited with a retardation only by gas pressures that rise above the ignition pressure.

    摘要翻译: 用于推进剂的单或多基粉末装料由至少一种具有至少一个内腔的成形粉末形式的粉末颗粒组成。 构成电荷的粉末颗粒内的内部空腔的直径是不同的,并且其至少一部分小于对应于点火压力的临界直径,并且控制着火火焰进入内部空腔的渗透。 利用该布置,至少一部分内部空腔仅通过高于点火压力的气体压力而被延迟。

    Firedamp-safe method for stud driving cartridges
    7.
    发明授权
    Firedamp-safe method for stud driving cartridges 失效
    螺柱驱动墨盒的Firedamp-safe方法

    公开(公告)号:US4453860A

    公开(公告)日:1984-06-12

    申请号:US376797

    申请日:1982-05-10

    IPC分类号: C06B23/04 C06B45/10 E21D20/00

    CPC分类号: C06B45/10 C06B23/04

    摘要: A firedamp-safe propellant charge comprising a pyrotechnical gas-yielding propellant, said propellant coated with a polymer and/or amides of C.sub.2 -C.sub.4 dicarboxylic acids and/or ammonium oxalate, which composition, upon ignition of the propellant, disintegrates into radicals, said coating being present on said popellant in an amount of 15 to 30 weight percent based upon the weight of said propellant charge.

    摘要翻译: 一种燃烧安全的推进剂装料,包括一种烟火气体产生推进剂,所述推进剂涂覆有聚合物和/或C 2 -C 4二羧酸和/或草酸铵的酰胺,该组合物在推燃剂着火时分解成自由基,所述 基于所述推进剂装料的重量,涂层以所述喷射剂存在的量为15至30重量%。