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Topic: Molybdenum disulfide

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Molybdenum disulphide

Moly

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	Molybdenum disulfide - Wikipedia, the free encyclopedia
		During the Vietnam war, molybdenum disulfide, known as "dry slide", was used for lubricating troop's weapons; the military refused to supply it, as it was "not in the manual", so it was sent to soldiers by their parents and friends privately.
		A composite coating of molybdenum disulfide and titanium nitride was created on the surface of parts by chemical vapor deposition.
		Molybdenum sulfide is also used as a catalyst in petrochemistry, eg.
	en.wikipedia.org /wiki/Molybdenum_disulfide (256 words)

	Todini and Co s.p.a. \| Molybdenum Disulfide
		Molybdenum disulphide is naturally found in the form of molibdnite mineral and has an appearance very similar to graphite.
		Molybdenum sulphide is not very soluble in water while it easily dissolves in acqua regia (mixture of nitric acid and hydrochloric acid) and hot water in some inorganic acids like nitric, sulphuric and hydrochloric acid.
		Pure molybdenum disulphide is used as a lubricant.
	www.todiniandco.com /products/molybdenum/molybdenum_disulfide.html (278 words)

	AllRefer.com - molybdenum, Compound & Element (Compounds And Elements) - Encyclopedia (Site not responding. Last check: 2007-10-22)
		In alloy, steel molybdenum acts as a hardening agent and also improves the properties of the alloy at high temperatures; such alloys are used in making high-speed cutting tools, aircraft parts, and forged automobile parts.
		Useful compounds of molybdenum include molybdenum disulfide, used as a lubricant; ammonium molybdate, used in chemical analysis for phosphates; and lead molybdate, used as a pigment in ceramic glazes.
		Molybdenum was recognized as a distinct element in 1778 by K. Scheele; its ore had earlier been confused with lead ore, hence its name.
	reference.allrefer.com /encyclopedia/M/molybdnm.html (532 words)

	Default - 0002.htm (Site not responding. Last check: 2007-10-22)
		all of the molybdenum disulfide is scrubbed from the bullet and deposited on the bore surface.
		Eventually the molybdenum disulfide on the bullet is exhausted and the bullet again has the potential for depositing more gilding metal on the bore's surface.
		When a molybdenum disulfide coated bullet is fired in a coated bore, the molybdenum disulfide coating on the bullet and the molybdenum disulfide coating on the bore can be compared to ball bearings between the two surfaces.
	www.smallcaliber.com /spring03/molymileage2.html (784 words)

	Molybdenum
		The principal ore of molybdenum is molybdenite (molybdenum disulfide).
		Molybdenum is involved in cofactors that are required for enzyme activity by some of the inhabitants of the microflora of the large intestine.
		Molybdenum is excreted in the urine as molybdate.
	www.pdrhealth.com /drug_info/nmdrugprofiles/nutsupdrugs/mol_0332.shtml (2036 words)

	High-Intensity Ultrasound Creates Better Catalyst For Cleaning Fuels
		The improved catalyst is a new form of molybdenum disulfide, most commonly recognized as the fl lubricant used to grease automobiles and machinery.
		Molybdenum disulfide normally consists of long, flat layers of molybdenum metal atoms sandwiched above and below by single atomic layers of sulfur.
		But molybdenum disulfide's other important commercial application is as a catalyst used by the petroleum industry to remove sulfur-containing compounds in gasoline.
	www.eurekalert.org /pub_releases/1998-07/UoIa-HUCB-060798.php (461 words)

	Chemists spray their way to better catalysts
		Molybdenum disulfide is made of long flat layers of molybdenum metal atoms sandwiched above and below by single atomic layers of sulfur.
		Molybdenum disulfide's other important commercial application is as a catalyst used by the petroleum industry to remove ecologically damaging sulfur-containing compounds in gasoline.
		The new form of molybdenum disulfide is made by spraying droplets of a water solution of ammonium tetrathiomolybdate (a molybdenum disulfide precursor) and colloidal silica (very fine sand).
	www.physorg.com /news5083.html (631 words)

	Novel compositions containing molybdenum disulfide - Patent 5034430
		The molybdenum disulfide is suitably in particular molybdenum disulfide in flake or platelet form with a particle diameter of less than 100.mu.m and a thickness of up to 4.mu.m.
		Starting from commercially available molybdenum disulfide, the molybdenum disulfide used in the composition of this invention is obtained in the preferred state in known manner, for example by grinding in air jet, sand or ball mills.
		Molybdenum disulfide and pigment or dye may be added singly or premixed as toner or as solution or dispersion or in the form of a formulation to the high molecular weight organic material.
	www.freepatentsonline.com /5034430.html (3132 words)

	Coating compositions containing molybdenum disulfide - US Patent 5063258 (Site not responding. Last check: 2007-10-22)
		The molybdenum disulfide is suitably in particular molybdenum disulfide in flake or platelet form with a particle diameter of less than 100 µm and a thickness of up to 4 µm.
		It is particularly suitable to use molybdenum disulfide in flake or platelet form and in which 60-95% by weight of the particles have an average size of 1-12 µm.
		The procedure of Example 2 is repeated, replacing the molybdenum disulfide pigment having an average particle size of 9.6 µm by a molybdenum disulfide pigment in platelet from having an average particle size of 4 µm measured by granulometry, to give a lustrous, blue metallic coating of excellent gloss.
	www.patentstorm.us /patents/5063258.html (3237 words)

	NECO Product Descriptions
		Molybdenum disulfide is one of the best dry sliding-friction lubricants in the world, and the purpose of NECO-Coat™ is of course to reduce friction between bullet and barrel bore.
		Molybdenum Disulfide (MoS2), or "Moly," in paste form has been used for many years in industrial applications because of its high level of sliding friction reduction, chemical neutrality and general affinity for metals (which includes surface penetration of metals).
		This new cartridge case neck dry lubrication kit is designed to use molybdenum disulfide ("moly," MoS2) and small shot to quickly and easily lubricate the inside and outside of cartridge case necks in one simple operation while eliminating the necessity to remove the lubricant inside the case neck.
	www.neconos.com /details.htm (2699 words)

	Production of improved molybdenum disulfide catalysts - Patent 4243553
		The stability of the catalyst is enhanced by decomposing the thiomolybdate salt in admixture with an inert, preformed particulate diluent or by bulk doping said salt with tungsten or vanadium prior to decomposition of the salt.
		High surface area molybdenum disulfide is produced by thermally decomposing a substituted ammonium thiomolybdate salt having the formula B.sub.2 [MoO.sub.x S.sub.4-x ], where B is a substituted aliphatic ammonium ion or a cyclic amine containing one or more basic N atoms, and x is 0, 1 or 2.
		The objects of the invention are accomplished by a novel process for the preparation of molybdenum disulfide, MoS.sub.2, having desirable properties for use as a methanation catalyst in addition to the sulfur resistant characteristics commonly associated with molybdenum disulfide.
	www.freepatentsonline.com /4243553.html (5400 words)

	Default - 0004.htm (Site not responding. Last check: 2007-10-22)
		I except it as fact that molybdenum disulfide coating is beneficial to the long-term accuracy, due to lack of fouling, in any rifled firearm using jacketed bullets.
		I feel that molybdenum disulfide would be beneficial if for no other reason that it makes bores easy to clean, when you get the molybdenum disulfide out and there is nothing left in the bore.
		The load that I settled on is 8.7 grains of Vihtavouri N110, a CCI 500 primer and 45 grain Remington spitzer bullets purchased in bulk.
	www.smallcaliber.com /spring2003/molymileage4.html (836 words)

	Molybdenum Disulfide Coatings - Metal Coatings Corp.
		Molybdenum Disulfide Coatings are commonly used in applications where load carrying capacity, operating temperature and coefficient of friction are primary concerns.
		Moly coatings lubricate sacrificially by transferring lubricant between the two mating surfaces, which helps to reduce the wear and the coefficient of friction.
		Moly coatings are a combination of molybdenum disulfide lubricant and high performance resins.
	www.metcoat.com /molybdenum.htm (104 words)

	Molybdenum Disulfide Oil
		The GH Greases are compounded with oxidation and corrosion inhibitors, effective oil soluble EP additives and molybdenum disulfide (moly) solid EP additive for all around protection in severe...
		Moly (Molybdenum Disulfide) is a processed mineral that is similar...
		are graphite, molybdenum disulfide, boron nitride, and certain plastics such as tetrafluorethylene resins.
	www.molybdenuminfo.com /molybdenumdisulfideoil (828 words)

	World Intellectual Property Organization (Site not responding. Last check: 2007-10-22)
		The method of claim 2, wherein the coating of lubricant is selected from the group consisting of: graphite, molybdenum disulfide, lead powder, antimony oxide, poly tetrafluoroethylene, and silicone polymers.
		The expandable tubular assembly of claim 1, wherein the coating of lubricant is selected from the group consisting of: graphite, molybdenum disulfide, lead powder, antimony oxide, poly tetrafluoroethylene, and silicone polymers.
		The expandable tubular assembly of claim 4, wherein the lubricant is selected from the group consisting of: graphite, molybdenum disulfide, lead powder, antimony oxide, poly tetrafluoroethylene, and silicone polymers.
	www.wipo.int /ipdl/IPDL-CIMAGES/view/pct/getbykey5?KEY=01/26860.010419&ELEMENT_SET=DECL (9175 words)

	Frequently Asked Questions - Mr. MOLY MoS2 Lubricants
		Molybdenum disulfide (MoS2) is a naturally occurring mineral, formed and mined with other ores in various parts of the world.
		MOLY Break-In, a soluble molybdenum without the plating capabilities, is recommended for use during this period.
		Molybdenum Disulfide, or Moly, is a naturally occurring inert mineralization that will sustain loads in excess of 400,000 psi, while PTFE, a manufactured chemical, can only sustain loads in the 350 to 450 psi range.
	www.mycarservice.com /mrmoly/moly_faq.html (1550 words)

	Search Results for molybdenum disulfide - Encyclopædia Britannica
		Solids such as graphite and molybdenum disulfide are widely used when normal lubricants do not possess sufficient resistance to load or temperature extremes.
		Carbon disulfide is made by the reaction of carbon and sulfur.
		The production of metallic molybdenum from pure MoO3 or ADM is carried out in electrically heated tubes or muffle furnaces, into which hydrogen gas is introduced as a countercurrent against the feed.
	www.britannica.com /search?query=molybdenum+disulfide (298 words)

	Beacon EP 2 Moly
		Molybdenum disulfide offers particular advantages under boundary lubrication conditions, especially where sliding or vibration action pushes the grease away from the contacting surfaces.
		It provides a measure of protection against fretting and is therefore recommended where this phenomenon is a problem, as in splined shafts, pivot pins, fifth wheels, and other parts subjected to oscillating or sliding motion.
		It also can be used in rolling contact bearings, but is not generally recommended for high-precision rolling contact bearings because of the possibility of molybdenum disulfide building up in the clearances.
	www.exxon.com /USA-English/Lubes/PDS/NAUSENGRSEXBeacon_EP_2_Moly.asp (482 words)

	Illinois chemists spray their way to better catalysts
		Bottom: Transmission electron micrograph of molybdenum disulfide produced by ultrasonic spray pyrolysis.
		“The flat planes of molybdenum disulfide that make it a good lubricant also decrease its ability to react with fuels to remove sulfur,” said Ken Suslick, the Marvin T. Schmidt Professor of Chemistry at Illinois and a researcher at the Beckman Institute for Advanced Science and Technology.
		As the droplets are heated in the furnace, water evaporates and a molybdenum disulfide/silica composite is formed.
	www.news.uiuc.edu /news/05/0711catalysts.html (555 words)

	BP 2000 lubricating powder - molybdenum disulfide lubricant - trigger - barrel - moly lubricant- Sentry Solutions - ...
		Pure powdered sub-micron, passivated molybdenum disulfide lubricant with a natural bonding affinity for metal.
		BP2000 POWDER is pure powdered sub-micron, passivated molybdenum disulfide.
		Our molybdenum disulfide has a natural bonding affinity for metals.
	www.sentrysolutions.com /BP2000.shtml (1172 words)

	Suresta Moly Chain Oil
		SURESTA® MOLY CHAIN OIL aerosol is an economical way to lubricate pins, rollers, and hard-to-reach areas, with a penetrating oil and molybdenum disulfide (moly).
		The use of molybdenum disulfide (moly) reduces friction, provides precision lubrication, even if the oil slings off.
		Molybdenum disulfide is a lubricant in its natural form.
	www.texasrefinery.com /lb-suresta.htm (482 words)

	Molybdenite -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-22)
		Similar in appearance and feel to (Used as a lubricant and as a moderator in nuclear reactors) graphite, molybdenite has a lubricating effect which is produced by its structure of close-spaced parallel (Click link for more info and facts about cleavage plane) cleavage planes.
		The element (A rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum) rhenium is always present in molybdenite as a substitute for molybdenum usually in the parts per million (ppm) range, but often up to 1-2%.
		High rhenium content results in a structural variety detectable by (The scattering of X rays by the atoms of a crystal; the diffraction pattern shows structure of the crystal) X-ray diffraction techniques.
	www.absoluteastronomy.com /encyclopedia/m/mo/molybdenite.htm (506 words)

	Molybdenum Foil :: Search Results (Site not responding. Last check: 2007-10-22)
		Molybdenum plate sheet foil, Moly (Mo) plate sheet foil.
		Molybdenum wire, Heating molybdenum wires, moly (Mo) wires...
		SYLVANIA Molybdenum Foil is processed to obtain appropriate mechanical properties for applications involving bending, spinning, drawing, or stamping.
	www.gpm-sprinklers.com /search/molybdenum_foil.html (106 words)

	Molybdenum Disulfide Lubricants
		The primary solid used for lubrication is Molybdenum Disulfide (MOs 2 or Moly...
		In most cases molybdenum disulfide lubricants should not be used on trigger mechanisms.
		December 4, 1997 From the Benchrest List: Molybdenum disulfide's claim to fame as a lubricant is that it works under HIGH pressure where most other lubricants would break down (and, yes, it does have...
	www.molybdenuminfo.com /molybdenumdisulfidelubricants (834 words)

	Eberly College of Science News - Fuel-Cleaning Catalysis
		The chemists observed a cluster of three nickel atoms and its interaction with a molybdenum disulfide surface.
		Tiny molybdenum disulfide crystallites on an oxide base--with nickel or cobalt added as a reaction promoter--are used by refineries worldwide as catalysts for removing sulfur-containing thiophene compounds from crude oil.
		Before this research, it was known that nickel somehow made molybdenum disulfide more effective at bonding with the sulfur in thiophenes, and researchers believed that these reactions could occur only on the edges of the thin catalytic sheets but not on their broad, flat planes.
	www.science.psu.edu /alert/Weiss12-1998.htm (769 words)

	Molybdenum (Site not responding. Last check: 2007-10-22)
		Adding molybdenum in steel imparts toughness for heavy service, and in heat-resistant alloys.
		Other compounds of molybdenum have applications in grease lubricants and pigments and as catalysts.
		Molybdenum is necessary in trace amounts in plant nutrition and is also valuable in human metabolism.
	nobel.scas.bcit.ca /resource/ptable/mo.htm (229 words)

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