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Topic: Polymer bonded explosive

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Plastic explosive

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	Plastic bonded explosive compositions - Patent 4361450
		A plastic bonded explosive composition consisting essentially of 10% to 87% by weight of a hexanitro-stilbene, 9% to 30% of a binder which is a lauryl methacrylate polymer or copolymer 0 to 20% of aluminum powder and 0 to 60% of potassium perchlorate.
		A plastic bonded explosive composition consisting essentially of a self-explosive which is 2,2',4,4',6,6'-hexanitrostilbene and a binder which is a polymer of an alkyl methacrylate wherein the alkyl group has 10 to 20 carbon atoms.
		A plastic bonded explosive composition consisting essentially of a self-explosive which is 2,6-bis-(picrylamino)-3,5-dinitrobenzene and a binder which is a polymer of an alkyl methacrylate wherein the alkyl group has 10 to 20 carbon atoms.
	www.freepatentsonline.com /4361450.html (1879 words)

	Plastic explosive - Wikipedia, the free encyclopedia
		Plastic explosives are especially suited for explosive demolition as they can be easily formed into the best shapes for cutting structural members, and have a high enough velocity of detonation and density for metal cutting work.
		One of the earliest plastic explosives was Nobel 808, developed well before World War II and used extensively by British SOE forces during that war.
		The samples of explosive brought to the USA by the Tizard Mission had been packaged by SOE ready for dropping to the French Resistance and were labelled in French, as Explosif Plastique.
	en.wikipedia.org /wiki/Plastic_explosive (464 words)

	Method for producing plastically bonded propulsion powders and explosives - Patent 4608210
		The components of the propulsive powder, or correspondingly the explosive material in crystalline form, are added in steadily increasing proportions with a simultaneous reduction of the portion of the plastic binder and finally, the mixture ratio is held constant.
		The invention is comprised of a method for producing plastically bonded propulsion powders or explosives by means of an extruder which consists of a housing with at least an entry opening and in some circumstances, a supplemental opening for a solvent, two co-rotating or counterrotating screw shafts and a forming head.
		Afterwards, the supplemental feeding of the crystalline explosive is injected whereby the ratio of the plastic binder and the crystalline explosive is steadily changed to that which is most favorable until finally the desired mixture ratio is reached with up to 4-6 percent binder component.
	www.freepatentsonline.com /4608210.html (2040 words)

	Polymer-bonded explosive - Wikipedia, the free encyclopedia
		A polymer-bonded explosive, also called PBX or plastic-bonded explosive, is an explosive material in which explosive powder is bound together in a matrix using small quantities (typically 5-10% by weight) of a synthetic polymer ("plastic")
		PBXes are normally used for explosive materials which are not easily meltable to cast or which are otherwise hard to form.
		If the polymer matrix is an elastomer (rubbery material), it tends to absorb shocks, making the PBX very insensitive to accidental detonation.
	en.wikipedia.org /wiki/Polymer-bonded_explosive (213 words)

	Manganin Gages: Strain Gage Listings
		In conventional applications, the gage is bonded between two flat metallic or polymer plates.
		The 580SF pattern was designed specifically for investigating the effects of sweeping explosive waves.
		With the target intentionally tilted at a small angle to the wave front, the pressure wave traverses the grid in the direction toward the leads.
	www.vishay.com /brands/measurements_group/guide/500/lists/mg_list.htm (422 words)

	Polymer bonded explosive (Site not responding. Last check: 2007-10-27)
		bonded explosive plastic explosive polymer polymer science polymer removal polymer clay polymer chemistry polymer supplier polymer clary artists polymer clay dragons polymer clay projects polymer melt pumps
		Polymer International Publishes original research papers on new developments in all branches of macromolecular science and technology, including biopolymers, polymer chemistry, polymer physics and industrial polymer science.
		Explosive Anger - The Common Sources of Personality Disorders Explosive, unprovoked anger diffusely directed at imaginary targets leads to the formation of other mental health disorders.
	www.serebella.com /encyclopedia/article-Polymer_bonded_explosive.html (273 words)

	Plastic explosive - Encyclopedia.WorldSearch (Site not responding. Last check: 2007-10-27)
		Varieties of plastic explosive in current use include C-4, PENO and Semtex.
		Explosive stuff: Ems-Dottikon employs core technologies from its background in explosives to target the pharmaceutical intermediates market.
		High energy: a historic explosives manufacturing site is now part of a major new player in the life sciences.
	encyclopedia.worldsearch.com /plastic_explosive.htm (374 words)

	[1.0] Overview / Explosive Materials (Site not responding. Last check: 2007-10-27)
		Explosive materials are used as "bursting charges" for bombs, missile warheads, grenades, and mines, and as "propellants" to fire bullets and artillery shells.
		Liquid explosives are unsafe because they are extremely homogenous; their mixing is at the molecular level, and so they can be set off by a mild physical shock.
		PETN is a relatively sensitive explosive, and is often used as a booster, or in "detonating cord (detcord)", a type of explosive line used as a detonator and for small-scale demolition tasks.
	www.vectorsite.net /ttpyro_1.html (5350 words)

	Explosive booster -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-27)
		An explosive booster acts as a bridge between a low energy (A chemical substance that undergoes a rapid chemical change (with the production of gas) on being heated or struck) explosive and a low sensitivity (but typically high energy) explosive.
		It increases the energy of an initiating explosive to the degree sufficient to trigger the secondary charge.
		Explosive boosters are typically constructed by mixing high sensitivity and high energy compounds at various ratios.
	www.absoluteastronomy.com /encyclopedia/E/Ex/Explosive_booster.htm (99 words)

	polymer
		A polymer is a long, repeating organic chain, formed through the linkage of many identical smaller molecules called monomers.
		Because polymers are distinguished by their constituent monomers, polymer chains within a substance are often not of equal length.
		Polymers containing amide groups can form hydrogen bonds between adjacent chains; the positive hydrogen atoms in N-H groups of one chain are strongly attracted to the oxygen atoms in C=O groups on another.
	www.fact-library.com /polymer.html (1080 words)

	polymer - Hutchinson encyclopedia article about polymer (Site not responding. Last check: 2007-10-27)
		In the polymerization of ethene to polyethene (polythene), electrons are transferred from the carbon–carbon double bond of the ethene molecule, allowing the molecules to join together as a long chain of carbon–carbon single bonds.
		There are many polymers, both natural (cellulose, chitin, lignin, rubber) and synthetic (polyethylene and nylon, types of plastic).
		The size of the polymer matrix is determined by the amount of monomer used; it therefore does not form a molecule of constant molecular size or mass.
	encyclopedia.farlex.com /polymer (177 words)

	EBA&D Defense
		These products utilize an explosive or pyrotechnic core, surrounded by a braided layer of a textile yarn.
		In addition, explosive nets using detonating cord have demonstrated the capability for wide path mine clearance.
		Explosive loading can be tightly controlled and maintained in low coreload to high coreload products.
	www.ebaerospaceanddefense.com /defense/detonating_cords_over.php (279 words)

	High performance plastic bonded explosive - US Patent 6673174 (Site not responding. Last check: 2007-10-27)
		Plastic bonded explosive (PBX) compositions utilizing CL-20 as the oxidizer, and particularly when the CL-20 is blended with particular combinations of binders and/or plasticizers, have been found to yield synergistic chemical combinations which demonstrate higher energy density and increased penetration power and impetus in military weapons and similar applications.
		It is generally known in the art of military explosives to formulate plastic bonded explosive (PBX) compositions consisting of three principal components: (1) an oxidizer; (2) a binder; and, (3) a plasticizer.
		An explosive is reported to have passed the electrostatic sensitivity test and to be acceptable as a booster or main-charge explosive if there are no reactions in the 25 consecutive trials at the 0.02 J level.
	www.patentstorm.us /patents/6673174.html (4334 words)

	[No title] (Site not responding. Last check: 2007-10-27)
		The plastic bonded explosive (PBX) is relatively new class of explosive that is composed of about 85 to 95 percent PETN and 5 to 15 percent plastic polymer, such as polystyrene or polyester.
		These explosives have high mechanical stren- gth, excellent explosive properties, and are extremly stable and insensitive to shock.
		Plastic explosives are composed of 85 to 90 percent PETN and 15 percent plasticizer.
	www.textfiles.com /anarchy/INCENDIARIES/conpetn.txt (968 words)

	Encyclopedia: Plastic-explosive (Site not responding. Last check: 2007-10-27)
		High explosive squash head, also known as HESH or HEP (in US usage, for high-explosive, plastic), rounds are a type of anti-tank explosive.
		In the sixties it was replaced by C-4, also using RDX but with polyisobutylene and di(2-ethylhexyl)sebacate as the binder and plasticizer.
		Polymer-bonded explosives have several potential advantages: If the polymer matrix is an elastomer (rubbery material), it tends to absorb...
	www.nationmaster.com /encyclopedia/Plastic_explosive (1032 words)

	Plastic explosive
		The first efforts in wartime mixed the explosives with materials like beeswax, although possessing many of the properties of plastic explosive they were unpleasant to handle and degraded rapidly.
		The first true plastic explosives emerged post-war, initially called polymer bonded explosives (PBXs), the explosive crystals were embedded in a polymer matrix such as polystyrene or nylon.
		The key to a useful explosive was found in the 1960s with the mixing of RDX with PETN and then adding binders and stabilizers, the resultant material was safer and easier to handle than traditional explosives and also held a greater charge per volume.
	www.fastload.org /pl/Plastic_explosive.html (239 words)

	Plastic explosive (Site not responding. Last check: 2007-10-27)
		Plastic explosives are especially suited for explosive demolition as they can be easily formed into the best shapes for cutting structuralmembers, and have a high enough velocity of detonation and density for metal cuttingwork.
		One of the earliest plastic explosives was Nobel 808, developed well before World War II and used extensively by SOE during that war.
		During and just after WorldWar II a number of new RDX based explosives were developed, including Compositions C, C2, andeventually C3.
	www.therfcc.org /plastic-explosive-13996.html (264 words)

	Bonded (Site not responding. Last check: 2007-10-27)
		Bonded labor and, in particular, bonded child labor, exists in Pakistan, India and Nepal.
		Medical Rural Bonded (MRB) Scholarships are an Australian Government initiative to deliver more doctors and better services to rural and regional communities.
		Bonded Labour is the existing form of slavery.
	www.pictureprobe.com /bond/bonded.html (217 words)

	Mark Hoffman Bio (Site not responding. Last check: 2007-10-27)
		Explosives formulation and processing, flow of suspensions, chemistry of urethanes, adhesives, polymer characterization including rheology, spectroscopy, mechanical properties, polymer physics including crystallization and cure kinetics, decontamination of chemical and biological warfare agents.
		D.M. Hoffman "Dynamic Mechanical Signatures of a Polyester-urethane and Plastic Bonded Explosives based on this polymer," J. Applied Polym.
		D. Hoffman, "Fatigue of LX-14 and LX-19 Plastic Bonded Explosives," J. Energetic Mats., 18, (2000).
	www-cms.llnl.gov /bios/hoffman_mbio.html (340 words)

	4Reference \|\| Plastic explosive (Site not responding. Last check: 2007-10-27)
		They are soft and hand malleable and may have the added benefit of being usable over a wider temperature range then the pure explosive.
		One of the earliest plastic explosives was Nobel 808, developed well before World War II and used extensively by Special Operations Executive during that war.
		During and just after World War II a number of new Cyclotrimethylene trinitramine based explosives were developed, including Compositions C, C2, and eventually C3.
	www.4reference.net /encyclopedias/wikipedia/Plastic_explosive.html (276 words)

	Polymer-bonded explosive - Encyclopedia.WorldSearch (Site not responding. Last check: 2007-10-27)
		A polymer-bonded explosive, also called PBX or plastic-bonded explosive, is an explosive material in which particles of explosive are set into a matrix of a synthetic polymer ("plastic").
		* If the polymer matrix is an elastomer (rubbery material), it tends to absorb shocks, making the PBX very insensitive to accidental detonation;
		Dynamic mechanical signatures of Viton A and plastic bonded explosives based on this polymer *.
	encyclopedia.worldsearch.com /polymer-bonded_explosive.htm (128 words)

	Polymer-bonded explosive -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-27)
		If the polymer matrix is an (Any of various elastic materials that resemble rubber (resumes its original shape when a deforming force is removed)) elastomer (rubbery material), it tends to absorb shocks, making the PBX very insensitive to accidental detonation;
		PBX can be cast into a particular shape as a liquid at room temperature, when casting normally requires hazardous melting of the explosive.
		(additional info and facts about RDX) RDX, (Any of various polymers containing the urethane radical; a wide variety of synthetic forms are made and used as adhesives or plastics or paints or rubber) polyurethane rubber
	www.absoluteastronomy.com /encyclopedia/P/Po/Polymer-bonded_explosive.htm (261 words)

	Category:Explosives (Site not responding. Last check: 2007-10-27)
		Explosives wallpaper files and blast videos, also a section of explosives and safety.
		Explosives for mining, engineering and pyrotechnics for the film, television and advertising industries.
		This international journal is a forum for the exchange of ideas in the areas of propellants, explosives, primers and pyrotechnics, combustion, and detonation processes.
	www.omniknow.com /common/wiki.php?in=en&term=Category:Explosives (806 words)

	Lithium polymer cell (Site not responding. Last check: 2007-10-27)
		Lithium polymer batteries (Li-Poly or LiPo) are rechargeable batteries which have technologically evolved from lithium ion batteries.
		Ultimatively the lithium salt electrolyte is not held in an organic solvent, like in the proven lithium ion design, but in a solid polymer composite such as polyacrylonitrile.
		The main difference between commercial polymer and to lithium ion cells is that in the latter cells, the rigid case presses the electrodes and the separator onto each other, whereas in polymer cells this external pressure is not required because the electrode sheets and the separator sheets are laminated onto each other.
	www.kiwipedia.com /en/lithium-polymer-cell.html (547 words)

	BLU-118/B Thermobaric Weapon Demonstration / Hard Target Defeat Program
		The BLU-118/B is a penetrating warhead filled with an advanced thermobaric explosive that, when detonated, generates higher sustained blast pressures in confined spaces such as tunnels and underground facilities.
		The significant difference is the replacement of the high explosive fill with a new thermobaric explosive that provides increased lethality in confined spaces.
		Insensitive explosives reliably fulfil their performance, readiness and operational requirements on demand, but the violence of response to unplanned hazardous stimuli is restricted to an acceptable level.
	www.globalsecurity.org /military/systems/munitions/blu-118.htm (2031 words)

	bonded explosive polymer
		Micromechanics simulations of glass-estane mock polymer bonded explosives Micromechanics simulations of glass-estane mock polymer bonded explosives Polymer bonded explosives (PBXs) are particulate composites containing explosive particles and...
		A polymer-bonded explosive, also called PBX or plastic-bonded explosive, is an explosive material in which...
		A polymer-bonded explosive, also called PBX or plastic-bonded explosive, is an explosive material in which particles of...
	injections-molding.info /bonded-explosive-polymer.htm (258 words)

	Polymer-bonded explosive (Site not responding. Last check: 2007-10-27)
		If the polymer matrix is an (rubbery material) it tends to absorb shocks the PBX very insensitive to accidental detonation;
		While lacking complex descriptions of explosive concepts, this book provides the user with an invaluable reference guide to the basic concepts behind explosive materials and explosive physics.
		Gunpowder is the sort of history book that should be written more often: it shows the larger history of the world through the story of one small, but highly important, component.
	www.freeglossary.com /Polymer_bonded_explosive (505 words)

	HTML-txt: WAVELET ANALYSIS BASED ULTRASONIC NONDESTRUCTIVE TESTING OF POLYMER BONDED EXPLOSIVE
		Abstract: Polymer Bonded Explosives (PBX) are well-known explosives for the weapons, especially for the parts of some important weapon.
		Introduction: Polymer bonded explosives (PBXs) are the main charge explosives used in nuclear warheads and they are designed to detonate reliably to bring about nuclear implosion.
		When the US pulse wave propagates from the first surface in the JOB-9003 cylinder, part of the pulse is back propagated to the transducer owed to the flaw interface, the other part of US pulse wave goes forward and reaches the next surface, this signal eventually goes back to the transducer.
	www.ndt.net /article/wcndt2004/html/htmltxt/379_weibin.htm (1445 words)

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