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Topic: Aliphatic compound

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	Aliphatic compound - Wikipedia, the free encyclopedia
		In chemistry, aliphatic compounds are non-aromatic organic compounds, in which carbon atoms are joined together in straight or branched chains rather than in benzene rings.
		Alicyclic compounds such as cycloalkanes are aliphatic compounds that have one or more non-aromatic cycles in their chemical structure.
		Due to it being a non-aromatic compound, aliphatic petroleum solvent is used as a starter for barbecues.
	en.wikipedia.org /wiki/Aliphatic_compound (183 words)

	Azo compound - Wikipedia, the free encyclopedia
		In chemistry, azo compounds generally have a molecular formula of the form R-N=N-R', in which R and R' can be either aromatic or aliphatic.
		Their colour originates from absorbance in the visible region of the spectrum due to the delocalization of electrons in the benzene and azo groups forming a conjugated system, whereby the N=N group is the chromophore.
		Because of their instability, especially for aliphatic ones, care should be taken with the handling of azo compounds or an explosion may occur.
	en.wikipedia.org /wiki/Azo_compound (402 words)

	NationMaster - Encyclopedia: Aliphatic (Site not responding. Last check: 2007-09-20)
		The chemical compound acetylene, also called ethyne, was discovered in 1836 by Edmund Davy, in England; its chemical formula is C2H2 and its structure is: Acetylene is a colorless and extremely flammable gas at standard temperature and pressure, with a melting point of -80.
		An aliphatic compound is one that is not aromatic; i.e.
		Aliphatic molecules consist, generally, of a backbone of carbon atoms and other atoms bound to this carbon chain - most frequently hydrogen, oxygen, nitrogen, sulfur, and various halides.
	www.nationmaster.com /encyclopedia/Aliphatic (442 words)

	aliphatic compound - HighBeam Encyclopedia
		ALIPHATIC COMPOUND [aliphatic compound], any of a large class of organic compounds whose carbon atoms are joined together in straight or branched open chains rather than in rings.
		The hydrocarbons of the alkane, alkene, and alkyne series are aliphatic compounds, as are fatty acids and many other compounds.
		Most compounds containing rings are aromatic compounds ; compounds that contain a ring but are not aromatic compounds are called alicyclic.
	www.encyclopedia.com /html/a1/aliphati.asp (241 words)

	[No title]
		The preferred fullerene compounds useful in the compositions and fibers of this invention may be made by a procedure described by Kratschmer et al., Nature 347-354 (1990).
		The concentration of fullerene compound in the compositions of the present invention is from about 0.1 to about 20% by weight, preferably 0.1 to about 5% by weight, more preferably less than 5% by weight of aliphatic polyamide.
		Methods of preparation wherein fullerene compounds can be incorporated (i.e., doped) into these aliphatic polyamides include: (i) in-situ polymerization; (ii) dissolving both fullerene compound and aliphatic polyamide in a common solvent; or (iii) dissolving the fullerene compound into the aliphatic polyamide melt.
	www.godunov.com /Bucky/patents-fulltext/05350794 (2177 words)

	Highbeam Encyclopedia - Search Results for compound (Site not responding. Last check: 2007-09-20)
		compound COMPOUND [compound] in chemistry, a substance composed of atoms of two or more elements in chemical combination, occurring in a fixed, definite proportion and arranged in a fixed, definite structure.
		aliphatic compound ALIPHATIC COMPOUND [aliphatic compound], any of a large class of organic compounds whose carbon atoms are joined together in straight or branched open chains rather than in rings.
		Lineage organisation of the Tallensi compound: the social logic of domestic space in northern Ghana.
	www.encyclopedia.com /articles/03006.html (539 words)

	aromatic compound
		For this reason, the bonds in the aromatic ring are less reactive than ordinary double bonds; aromatic compounds tend to undergo ionic substitution (e.g., replacement of a hydrogen bonded to the ring with some other group) rather than addition (which would involve breaking one of the resonant bonds in the ring).
		Presence of the six-membered benzene ring is not essential for aromatic compounds; for example, furan, a heterocyclic compound that has a five-membered ring that includes an oxygen atom, has aromatic properties, as does pyridine, a heterocyclic compound whose six-membered ring includes a nitrogen atom.
		aliphatic compound - aliphatic compound, any of a large class of organic compounds whose carbon atoms are joined...
	www.factmonster.com /ce6/sci/A0804808.html (349 words)

	Aliphatic Compounds - Search Results - MSN Encarta (Site not responding. Last check: 2007-09-20)
		Aliphatic Compounds, large class of organic molecules consisting essentially of straight or branched chains of carbon atoms.
		Ethene, the simplest member of the class of aliphatic organic compounds called alkenes, which contain at least one carbon-carbon double bond.
		The consequences of the unique properties of carbon are manifest in the simplest class of organic compounds—the aliphatic hydrocarbons.
	uk.encarta.msn.com /Aliphatic_Compounds.html (106 words)

	Patent 6,139,875
		It was found that the present combination of flake material and hydrophobic aliphatic compound, within a particular concentration range, adds a "shingle effect" to the enteric coating.
		The hydrophobic compound is a compound having 12 to 20 aliphatic carbon atoms.
		The hydrophobic compound used may be any linear or branched chain compound having less than 1 percent solubility in water, a hydrophile-lipophile balance (HLB) value less than about 6, and which does not interfere chemically with the other components of the composition.
	www.pharmcast.com /Patents/October2000/103100OG/6139875_Enteric103100.htm (1703 words)

	Oilfield Glossary: Term 'aliphatic compound'
		One of a group of organic compounds of carbon (C) and hydrogen (H) in which the carbon atoms have linear, branched chain (open), or both types of structures.
		Aliphatics, as they are informally called, can be divided into paraffinic (saturated) and olefinic (unsaturated) chain types.
		The simplest aliphatic, paraffinic hydrocarbon is methane, CH The simplest aliphatic, olefinic hydrocarbon is ethylene, C
	www.glossary.oilfield.slb.com /Display.cfm?Term=aliphatic%20compound (112 words)

	Thermoplastic resin composition - Patent 5654366
		There is disclosed a thermoplastic resin composition wherein the dispersion of a polyorganosiloxane in a thermoplastic resin is improved by the inclusion of a copolymer of an organosiloxane compound and an ester of a vinylcarboxylic acid or a copolymer of an aromatic vinyl compound, an unsaturated aliphatic nitrile compound and an organosiloxane compound.
		The thermoplastic resin constituting component (A) of the present invention is selected from copolymers of an aromatic vinyl compound and an unsaturated aliphatic nitrile compound; copolymers of an aromatic vinyl compound, unsaturated aliphatic nitrile compound, and diene-type rubbery polymer; of mixtures of the preceding copolymers.
		Another candidate component (A) consists of copolymer of an aromatic vinyl compound, unsaturated aliphatic nitrile compound, and diene-type rubbery polymer, wherein the aromatic vinyl compound is as described above and the diene-type rubbery polymer is exemplified by polybutadiene, styrene-butadiene copolymers, acrylonitrile-butadiene copolymers, inter alia.
	www.freepatentsonline.com /5654366.html (5129 words)

	Process for dyeing fibers or fabrics of aromatic polyamides - Patent 3953167
		The process of claim 1 wherein the amount of the swelling agent (c) is 5 to 15% by weight based on the sum total of the amounts of the dye (a), aliphatic hydroxy compound (b), swelling agent (c) and salt (d).
		The aliphatic hydroxy compound used in this invention should be a non-evaporable liquid which has the ability to dissolve or disperse the dye and the swelling agent and has a boiling point of at least 180.degree.C. and does not adversely affect fibrous materials.
		This compound constitutes a substantially inert high temperature heating medium which causes the dye to be fixed in the fibers or at least to make it easy for the dye to permeate into the fibers.
	www.freepatentsonline.com /3953167.html (3378 words)

	The MSDS HyperGlossary: Aliphatic
		Aliphatic hydrocarbons are major components of everyday materials such as turpentine, gasoline and oil-based paints.
		Most aliphatics can lead to defatting (drying) of the skin, which can possibly lead to dermatitis (eczema).
		Be sure to wear an appropriate respirator if ventilation is not adequate, and be careful to avoid ignition sources as the vapors can easily reach their flammable limit.
	www.ilpi.com /msds/ref/aliphatic.html (324 words)

	PolyurethaneWeb: Polyurethane foams, coatings, adhesives, elastomers and equipment. (Site not responding. Last check: 2007-09-20)
		An extreme pressure lubricating composition comprises a major proportion of lubricating oil, a minor proportion of a halogen- and phosphorus-bearing aliphatic compound and a minor proportion of a separate thionic material.
		Halogen- and phosphorus-bearing aliphatic compounds which may be employed include halogen- and phosphorus-bearing aliphatic hydrocarbons and halogen- and phosphorus-bearing aliphatic compounds containing oxygen in the molecule and particularly halogenated phosphorus-bearing aliphatic compounds.
		The organic sulphur compound employed as the thionic material may be an aliphatic material and it may be an ester.
	www.polyurethaneweb.com /patents.php?patno=&pubdate=&titel=&abstract=&no=143340&aktion=2&order=DA (217 words)

	Lipid nomenclature Lip-1 & Lip-2
		Names for unsaturated compounds are derived from the names of the corresponding saturated compounds by the appropriate infixes, namely ene, diene, yne, etc. [3].
		For compounds of type XVI, bearing a saturated ether group in position 1 and an acyl group in position 2 of sn-glycero-3-phosphate, the term 'plasmanic acid' is proposed.
		Compounds deacylated in position 2, or with a substituent on the phosphoric residue, can be treated as are the plasmenic acids (Lip-2.9).
	www.chem.qmul.ac.uk /iupac/lipid/lip1n2.html (2809 words)

	Aliphatic - 943. Aliphatic acyclic/alicyclic terpenoid tertiary alcohols (Site not responding. Last check: 2007-09-20)
		[89.08] 3.4 Micron Emission from Aliphatic Hydrocarbons in Proto
		Synonyms: an aliphatic amine, aliphatic amine, RCH2NH2, RCH(2)NH(2).
		Aliphatic hydrocarbons, Arsenic compounds, Asbestos compounds, Azo dyes, Benzene and Toluene, Bromochloromethane, Cadmium compounds, CFCs
	refractive.siteinfoworld.com /psif/refractive-aliphatic.html (537 words)

	Estane® Thermoplastic Polyurethane TPU (Site not responding. Last check: 2007-09-20)
		Polyurethanes are designated aromatic or aliphatic on the basis of the chemical nature of the diisocyanate component in their formulation.
		With such an impressive array of desirable features, it is no wonder that both aliphatic and aromatic polyurethanes have become increasingly the material of choice in the design of medical grade components.
		In their natural states, both aromatic and aliphatic polyurethanes are clear to very light yellow in color.
	www.estane.com /technology/Medical.asp (2054 words)

	AllRefer.com - aliphatic compound (Organic Chemistry) - Encyclopedia
		You are here : AllRefer.com > Reference > Encyclopedia > Organic Chemistry > aliphatic compound
		aliphatic compound[al´´ufat´ik] Pronunciation Key, any of a large class of organic compounds whose carbon atoms are joined together in straight or branched open chains rather than in rings.
		Most compounds containing rings are aromatic compounds; compounds that contain a ring but are not aromatic compounds are called alicyclic.
	reference.allrefer.com /encyclopedia/A/aliphati.html (178 words)

	Mainseek (Site not responding. Last check: 2007-09-20)
		A class of organic compounds which are composed of open chains of carbon atoms whose molecules do not have carbon atoms in a ring structure.
		An aliphatic dibasic acid used in the preparation of polyesters, poly amides and alkyd resins.
		aliphatic hydrocarbon radical, which may be represented as having been derived from an alkane with one hydrogen less than the alkane.
	www.mainseek.com /aliphatic.html (296 words)

	Aliphatic
		An aliphatic compound is one that is not aromatic ; i.e.
		In chemistry, aliphatic compounds are non- aromatic organic compounds, in which carbon atoms are joined together in straight or branched chains rather than in benzene rings.
		Offering excellent optical clarity, Aliphatic Urethane is often used in laminating glass or road signs or in applications where urethane is...
	www.logicjungle.com /wiki/Aliphatic (236 words)

	aliphatic compound
		; compounds that contain a ring but are not aromatic compounds are called alicyclic.
		chain compound - chain compound: see aliphatic compound.
		cyclic compound - cyclic compound, any one of a class of compounds whose molecules contain a number of atoms bonded...
	www.infoplease.com /ce6/sci/A0803352.html (166 words)

	aliphatic compound
		Any organic chemical compound in which the carbon atoms are joined in straight chains, as in hexane (C
		), or in branched chains, as in 2-methylpentane (CH Aliphatic compounds have bonding electrons localized within the vicinity of the bonded atoms.
		Cyclic compounds that do not have delocalized electrons are also aliphatic, as in the alicyclic compound cyclohexane (C
	www.tiscali.co.uk /reference/encyclopaedia/hutchinson/m0031696.html (241 words)

	BARE BONES CEHEMISTRY (Site not responding. Last check: 2007-09-20)
		If carbons are in some kind of ring we have a cyclic compound, and if we have a six-membered ring with three double bonds we have an aromatic compound - as in lignin and many other plant secondary metabolites
		Hexane also happens to be an example of a saturated compound because it has single bonds between carbons and the rest of the bonds are "saturated" with hydrogens (like in those bad animal fats)
		The functions of organic compounds in plants usually depend on additional atoms, often in particular structures or functional groups:
	www.hcs.ohio-state.edu /hcs300/chem.htm (424 words)

	ACETYLENE \| \| Dictionary & Translation by Babylon
		Acetylene (IUPAC name: ethyne) is the simplest alkyne hydrocarbon, consisting of two hydrogen atoms and two carbon atoms connected by a triple bond.
		Because it contains a triple bond, acetylene is an unsaturated chemical compound.
		As the molecule cannot twist around the triple bond, all four atoms lie in the same straight line, with bond angles of 180°.
	www.babylon.com /definition/ACETYLENE/All (371 words)

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