Abstract:
A dispersal agent for preventing agglomerating of at least one component of a material is provided. In one embodiment, the dispersal agent is part of a porosity producing material and the dispersal agent eliminates or substantially prevents agglomeration of the porosity producing material. In one embodiment, the porosity producing material is fibrous cellulous. Such fibrous cellulose may be part of a porosity producing material, which is part of a propellant composition. The propellant composition can be used in an inflator housed in a vehicle.
Abstract:
ADN stabilizers of aromatic nitrogen-containing heterocyclic organic compounds, such as pyridines, pyrimidines, pyrazines, and triazines substituted with amino, hydroxy or other activating groups. The stabilizers being added to the ADN in an amount of from about 0.001 weight percent to about 5 weight percent of the ADN.
Abstract:
A solid propellant composition comprising an organic polymer fuel binder, an inorganic perchlorate oxidizer salt, ferrocenyl phosphine or phosphine oxide derivatives and in particular, triferrocenyl phosphine oxide, which function as stable solid combustion modifiers.
Abstract:
An improved adaptive output inflator is provided wherein inflator performance, such as measured by inflator gas output, can be appropriately varied and selected by appropriately varying and selecting the operational oxidant composition of the inflator.
Abstract:
Composition comprising cyclotetramethylene-tetranitramine (HMX) coated with a shock sensitivity reducing agent whereby the shock sensitivity of the composition is reduced a statistically significant amount.
Abstract:
The current invention treats .alpha.-octogene which, with the aid of a new procedure, has been coated with synthetic materials in such a manner that it does not convert into .beta.-octogene at room temperature The coating is done at temperatures between 30.degree. and 60.degree. C. from an aqueous slurry; this causes granulates to form which can be heated to temperatures of 100.degree. C. without a rearrangement to .beta.-octogene to occur; even a grain growth does not take place. The granulates according to the invention are pourable and can be easily dosaged. .beta.-octogene can be coated in the same manner, particularly if it is coated as very fine grain of less than 50 .mu.m according to the invention. Thus, the current invention includes also the particularly fine .beta.-octogene, coated according to the current procedure, which shows the same properties as the required .alpha.-octogene.
Abstract:
Conductive carbon fibrils are incorporated into energetic compositions to reduce electrostatic discharge susceptibility. The carbon fibrils are grown catalytically from carbon precursors and are substantially free of pyrolytically deposited thermal carbon. The fibrils generally have a length in the range from about 1.mu. to about 10.mu. and a diameter in the range from about 3.5 nanometers to about 75 nanometers. Length to diameter aspect ratios are greater than 5, and typically in the range from about 100:1 to about 1000:1. An effective amount of fibrils is included in the energetic compositions to decrease the resistivity to a level below or on the order of about 10.sup.10 ohm-cm. In most cases, fibril concentration will be in the range from about 0.005 to about 0.1 weight percent.
Abstract:
An emulsion explosive composition having improved resistance to precompression desensitization comprising an emulsion explosive matrix and a high level of a low strength microspheres. Preferably, the microspheres having a crush strength of between 100 and 400 psi, and are present in at least 4% by weight of the formulation. Accordingly, the present invention allows the use of a more standard (and usually less expensive) microspheres in the production of a precompression desensitization-resistant emulsion explosive. Further, the emulsion explosives of the present invention would permit emulsion explosives, in general, to be utilized in a wider range of applications.
Abstract:
The present invention comprises a watergel explosive composition, and method of manufacturing the same, that has a density of less than 0.8 g/cc. The composition has good water resistance and is especially useful in blasting applications calling for lower energy explosives.
Abstract:
Conductive carbon fibrils are incorporated into energetic compositions to enhance the burn rate. The carbon fibrils are grown catalytically from carbon precursors and are substantially free of pyrolytically deposited thermal carbon. The fibrils generally have a length in the range from about 1.mu. to about 10.mu. and a diameter in the range from about 3.5 nanometers to about 75 nanometers. Length to diameter aspect ratios are greater than 5, and typically in the range from about 100:1 to about 1000:1. A 100% improvement in burn rate was observed in compositions containing as little as 0.1 weight percent carbon fibrils. Greater amounts of carbon fibrils (2 weight percent) have increased the burn rate 500%. In most cases, fibril concentration will be in the range from about 0.1 to about 2 weight percent, although greater amounts are possible. The burn rate may be effectively tailored by varying the amount of fibrils added to the composition.