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Topic: Unsaturated

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Stearic acid

	USATODAY.com - Unsaturated fats lower gallstone risk in 14-year study (Site not responding. Last check: )
		Men who ate more of the unsaturated fats found in such foods lowered their risk of gallstones by nearly one-fifth, according to a 14-year study published in Tuesday's Annals of Internal Medicine.
		Doctors in recent years have come to recognize the heart-healthy benefits of the so-called Mediterranean diet, which is rich in unsaturated fats from vegetable oils, nuts and fish such as salmon and tuna.
		Those in the highest one-fifth of the group in unsaturated fat consumption had an 18% lower risk of gallstones than those in the lowest one-fifth.
	www.usatoday.com /news/health/2004-10-04-gallstones_x.htm (584 words)

	Process for producing halogen-containing unsaturated polyester - Patent 4569986
		A process for producing a halogen-containing unsaturated polyester as claimed in claim 1, wherein the dicyclopentadiene-terminated unsaturated polyester is one obtained by the reaction among (a) dicyclopentadiene, (b) an.alpha.,.beta.-ethylenically unsaturated dicarboxylic acid or its anhydride and (c) a polyhydric alcohol, and, if desired, along with (d) tetrahydrophthalic acid or its anhydride.
		The dicyclopentadiene-terminated, unsaturated polyester which is to be halogenated in the present invention is obtained by the reaction among (a) dicyclopentadiene, (b) an.alpha.,.beta.-ethylenically unsaturated dicarboxylic acid or its anhydride and (c) a polyhydric alcohol, along with (d) tetrahydrophthalic acid or its anhydride, if desired, in accordance with the conventionally known method.
		Because the said.alpha.,.beta.-ethylenically unsaturated dicarboxylic acid acts as a point of crosslinking in the cure of unsaturated polyester resin and is closely related with a magnitude of deflection temperature, too small amount of the dicarboxylic acid to be used in some instances fails to achieve a satisfactory deflection temperature.
	www.freepatentsonline.com /4569986.html (2684 words)

	Ethylenically unsaturated polyesters (Site not responding. Last check: )
		In accordance with the invention, ethylenically unsaturated polyesters are provided which, under the influence of activating energy, such as ultraviolet radiation, polymerize to materials which as coatings have excellent solvent resistance, heat resistance, and abrasion resistance as shown hereinafter.
		The ethylenically unsaturated polyesters of the invention are useful, for example, in coatings, adhesives, caulking and sealing compositions, casting and molding compositions, impregnating compositions and binders.
		Since the ethylenically unsaturated polyester composition is preferably used as a coating composition, the solvents used in the first step, in which the polyhydroxy polyester is prepared, preferably have a boiling point at atmospheric pressure of less than about 200.degree.
	www.emergenthomestore.com /techcat/clam_opener/ethylenically_unsaturated_polyesters.html (4162 words)

	Coconutoil.com - UNSATURATED VEGETABLE OILS: TOXIC
		Unsaturation means that some hydrogen atoms have been removed, and this opens the structure of the molecule in a way that makes it susceptible to attack by free radicals.
		When unsaturated oils are exposed to free radicals they can create chain reactions of free radicals that spread the damage in the cell, and contribute to the cell's aging.
		Unsaturated oils get rancid when exposed to air; that is called oxidation, and it is the same process that occurs when oil paint "dries." Free radicals are produced in the process.
	www.coconutoil.com /ray_peat_unsaturated_oils.htm (3879 words)

	Unsaturated Fat
		Unsaturated fats are fats that have at least one double bond between two carbon atoms.
		An unsaturated fat may have up to six double carbon bonds; fats with more than one are polyunsaturated.
		Unsaturated fats tend to be highly reactive compared to saturated fats, and when exposed to air they are likely to become rancid, or oxidize and break down into volatile aldehydes, esters, alcohols, ketones, and hydrocarbons.
	www.iscid.org /encyclopedia/Unsaturated_Fat (282 words)

	[No title]
		Essentially, he showed that the unsaturated (pork) fat permits diabetes to develop, sugar is slightly protective and coconut oil is very protective against the form of diabetes caused by a poison (unsaturated oils).
		Unsaturated fats are essential for cancer In 1927, Bernstein and Elias observed that a low unsaturated fat diet prevented the development of spontaneous tumors.
		In addition to inhibiting the thyroid gland, unsaturated fats impair intercellular communication, [20] suppress several immune functions related to cancer, and are present at high concentrations in cancer cells, where their antiproteolytic action would be expected to interfere with the proteolytic enzymes and to shift the equilibrium toward growth.
	www.newtreatments.org /fromweb/unsaturated.html (2387 words)

	What are Unsaturated Fats?
		Unsaturated fats such as the olive oil or canola oil in your kitchen cabinet will eventually turn rancid as oxygen molecules from the air mix with the hydrogen and carbon atoms in the fat.
		Unsaturated fats, on the other hand, would be like a carbon centipede who forgot to put on some hydrogen boots but put two feet in others.
		Unsaturated fats, however, have larger molecules and tend to slide past each other in the bloodstream, which means little to no plaque build-up.
	www.wisegeek.com /what-are-unsaturated-fats.htm (616 words)

	Isomerization of the unsaturated alcohols (Site not responding. Last check: )
		The unsaturated alcohols represented by the general formulas (I) and (II) may also be used as a reagent to prepare the catalyst.
		Examples of the unsaturated alcohols by the general formula (I) are 2-methyl-3-butene-2-ol, linalool (3,7-dimethyl-1,6-octadiene-3-ol), 3,7-dimethyl-1-octene-3-ol, 3-ethyl-7-methyl-1,6-octadiene-3-ol, 3,7-dimethyl-7-ethoxy-1-octene-3-ol, 2-benzyl-3-butene-2 -ol, nerolidol (3,7,11-trimethyl-1,6,10-dodecatriene-3-ol), isophytol (3,7,11,15-tetramethyl-1-nexadecene-3-ol), 3,7,11,15-tetramethyl-1,6,10,14-hexadecatetraene-3-ol, 1-vinyl cyclohexanol, cyclonerolidol ((5-(2,6,6-trimethyl-1-cyclohexenyl)-3-methyl-1-pentene-3-ol)), 1-hexene-3-ol, 3,7-dimethyl-1-octene-3,7-diol, 9-(2,6,6-trimethyl-1-cyclohexenyl)-3,7-dimethyl-1,4,6,8-nonatetraene-3-ol, and 2,3-dimethyl-3-butene-2-ol.
		The process of the invention may be applicable to produce the unsaturated alcohols represented by the general formula (II) from those of the general formula (I) in the same manner as illustrated to produce geraniol or nerol from linalool.
	www.sacnewsmonthly.com /invent/process_modifying_capillary_grooves/isomerization_unsaturated_alcohols.html (4650 words)

	Geoindicators: Groundwater chemistry in the unsaturated zone (Site not responding. Last check: )
		The unsaturated zone is also an important buffering zone for attenuation of acidity, metal content, and some other harmful substances.
		The unsaturated zone may store and transmit pollutants, the release of which may have a sudden adverse impact on groundwater quality.
		Depending on land use, the unsaturated zone beneath a site may record either natural inputs from the atmosphere, vegetation, soil or mineral weathering, or the effects of human activities such as agriculture and industrial activity, or regional problems such as acidic deposition.
	www.gcrio.org /geo/chem.html (657 words)

	Controls S.r.l» Products » Soil & Rock mechanics » Geotechnical » Unsaturated triaxial testing (Site not responding. Last check: )
		The presence of surface tension forces at the interface between air and water within an unsaturated soil allows different pressures to exist in the air and the water.
		In an unsaturated soil in the field, the pore air pressure is usually at atmospheric pressure and the pore water pressure is lower than the air pressure.
		It is when this suction changes that unsaturated soil can behave differently to that expected of a saturated soil.
	www.controls.it /products.php?code=160&page=Unsaturated_triaxial_testing (320 words)

	Unsaturated Fat and polyunsaturated fat information from iVillage Total Health - Page 1
		Unsaturated fat is considered to be the healthiest form of fat.
		However, unsaturated fat is made up of triglycerides in which most of the fatty acids are unsaturated.
		Unsaturated fats can be found in many plant foods and fish.
	healthysteps.health.ivillage.com /fatsoils/unsaturatedfat.cfm (408 words)

	ACS :: Meats and Trans Unsaturated Fats Linked to Lymphoma in Women
		The study also suggests women with a high intake of trans unsaturated fat are at higher risk for developing this type of cancer.
		Examining the diets of the 199 women diagnosed with non-Hodgkin?s lymphoma over the study period, researchers found women with a daily meal of beef, pork, or lamb were twice as likely to develop the disease than were women who eat such meats less than once a week.
		Women who ate higher amounts of trans unsaturated fat, a type of fat found in such foods as margarine and baked goods like cakes and pies as well as beef, pork, and lamb, also were at increased risk for non-Hodgkin?s lymphoma.
	www.cancer.org /docroot/NWS/content/NWS_1_1x_Meats_and_Trans_Unsaturated_Fats_Linked_to_Lymphoma_in_Women.asp (536 words)

	BayerMaterialScienceNAFTA.com (Site not responding. Last check: )
		Traditional unsaturated polyesters are polycondensation products based on saturated and unsaturated dicarboxylic acids such as maleic or fumaric acids and primary bivalent alcohols.
		Typically, these systems are dissolved in styrene which reacts with and cross-links the unsaturated resin when a dryer system, that is, a cobalt salt and an organic peroxide, are used.
		These unsaturated polyesters would have the same hardness and chemical resistance of traditional unsaturated polyesters and would give a high gloss without sanding and polishing.
	www.bayermaterialsciencenafta.com /processing/cas/unsaturated-polyesters/index.html (413 words)

	Unsaturated Soil Technology - Bringing Unsaturated Soil Mechanics into Geotechnical Engineering Practice
		Unsaturated soil mechanics needed to be taught to university students and practicing geotechnical engineers as part of the soil mechanics curricula.
		The practice of unsaturated soil mechanics problems generally involves the solution of highly nonlinear partial differential equations because of the constitutive non-linearity associated with desaturation of a soil.
		Unsaturated Soil Technology is striving to meet all the needs associated with the furtherance and implementation of unsaturated soil mechanics into geotechnical engineering practice.
	www.soilvision.com /subdomains/unsaturatedsoil.com/index.shtml (322 words)

	unsaturated - Search Results - MSN Encarta
		Unsaturated polyesters (UP) belong to the polyester group of plastics.
		Fats are designated as saturated or unsaturated, depending on whether the chemical bonds between the carbon atoms of the fat molecules contain all...
		Because of considerable public concern about the potentially adverse health effects of consuming saturated fats, margarine now contains reduced...
	encarta.msn.com /unsaturated.html (140 words)

	GroundwaterSoftware.com - March 2006 Newsletter: Unsaturated Zone
		The primary difference between the unsaturated zone and the saturated zone is that while the saturated zone only contains water within the void spaces, the unsaturated zone contains both water and gases (with the exception of the capillary fringe, to be discussed in an upcoming newsletter).
		A similarity between the saturated and unsaturated zones is that they can both be characterized in terms of hydraulic head; where hydraulic head is equal to the sum of the elevation head and the pressure head.
		While Darcy's Law is still valid in the unsaturated zone, a key difference between the solution of unsaturated flow and saturated flow is that the hydraulic conductivity in unsaturated flow is not constant.
	www.groundwatersoftware.com /newsletter/mar06/index.htm (868 words)

	Technical Committee on Unsaturated Soil (TC6) (Site not responding. Last check: )
		The First International Conference on Unsaturated Soils was held in Paris, France in 1995 and the Second International Conference was held in Beijing, China in 1998.
		The soils with negative pore-water pressures may have degrees of saturation ranging from zero to 100%; however, there appears to be general concensus that the term, "unsaturated soils", is an appropriate term to designate all soils with negative pore-water pressures.
		The First International Conference on Unsaturated Soils held in Paris, showed that there was widespread and general concensus that the independent stress state variable approach should be used to describe the mechanical behaviour of unsaturated soils.
	www.ntu.edu.sg /grc/unsaturated/tc6/chairman.html (809 words)

	Rule A-3. Unsaturated Compounds and Univalent Radicals (ACYCLIC HYDROCARBONS)
		3.1 - Unsaturated unbranched acyclic hydrocarbons having one double bond are named by replacing the ending "-ane" of the name of the corresponding saturated hydrocarbon with the ending "-ene".
		When, in cyclic compounds or their substitution products, the locants of a double bond differ by unity, only the lower locant is cited in the name; when they differ by more than unity, one locant is placed in parentheses after the other (see Rules A-31.3 and A-31.4).
		If there are two or more chains competing for selection as the chain with the maximum number of unsaturated bonds, then the choice goes to (1) that one with the greatest number of carbon atoms; (2) the number of carbon atoms being equal, that one containing the maximum number of double bonds.
	www.acdlabs.com /iupac/nomenclature/79/r79_53.htm (536 words)

	Unsaturated Zone Definition Page
		The unsaturated zone is the zone between the land surface and the regional water table.
		The unsaturated zone differs from the saturated zone, in which pores contain water at greater than atmospheric pressure and are almost always completely filled with water.
		The unsaturated zone is a major focus of many contaminated-site investigations because contaminants often have to pass through the unsaturated zone before they get to the ground-water resources or the surface environment.
	toxics.usgs.gov /definitions/unsaturated_zone.html (395 words)

	Unsaturated Hydrocarbons
		An unsaturated hydrocarbon is a hydrocarbon containing at least one double or triple bond.
		The term "unsaturated" is used to designate a compound which contains double or triple bonds and therefore not every carbon is bonded to a different atom.
		A molecule with 1 degree of unsaturation (hydrogen deficiency index, HDI) could be related to a ring or a double bond.
	www.chem.latech.edu /~deddy/chem121/Alkene_Alkyne_Aromatic.htm (1273 words)

	The MSDS HyperGlossary: Hydrocarbon
		trans-3-hexene is unsaturated because the atoms shown in red have two bonds connecting them and are bound to only three different atoms.
		Examples are coconut oil and lard, which have a tendency to clog your arteries because of their chemical and physical properties.
		Unsaturated fats, those with one (mono) or many (poly) double bonds, are less likely to form artery-clogging plaques.
	www.ilpi.com /msds/ref/hydrocarbon.html (786 words)

	Prevent Disease.com - Some Unsaturated Fats Promote Inflammation
		NEW YORK (Reuters Health) - A type of unsaturated fatty acid found in corn and safflower oil appears to activate genes that promote inflammation inside blood vessels, a risk factor for heart disease, new research suggests.
		While unsaturated fatty acids in general are thought to be healthier than saturated fat, the findings support previous research showing that omega-6 fatty acid can injure cells lining the insides of blood vessels, leading to inflammation.
		``Specific unsaturated dietary fatty acids can induce highly individual effects on endothelial cell activation and contribute differently to induction of the inflammatory genes in vascular endothelial cells,'' the study concludes.
	preventdisease.com /news/articles/unsaturated_fats_promote_inflammation.shtml (475 words)

	Unsaturated Fats Cut Gallstone Risk - Science - RedOrbit (Site not responding. Last check: )
		Men who ate more of the unsaturated fats found in such foods lowered their risk of gallstones by nearly one-fifth, according to a 14-year study published in Tuesday's Annals of Internal Medicine.
		Doctors in recent years have come to recognize the heart-healthy benefits of the so-called Mediterranean diet, which is rich in unsaturated fats from vegetable oils, nuts and fish such as salmon and tuna.
		Those in the highest one-fifth of the group in unsaturated fat consumption had an 18 percent lower risk of gallstones than those in the lowest one-fifth.
	www.redorbit.com /news/display?id=91357 (478 words)

	Unsaturated Polyester Promoters (Site not responding. Last check: )
		Unsaturated Polyester Promoters include products like CATALYST 510 and are used in conjunction with organic peroxide catalysts to accelerate the curing of polyester resins.
		CATALYST 510 has been designed specifically for use as a polyester catalyst accelerator, and is recommended as the number one choice.
		2% LITHIUM TEN-CEM is used as an esterification catalyst in the synthesis of unsaturated polyester resins.
	www.omgi.com /BUProd/metal_organics/products/unsaturated_polyester_promoters (408 words)

	Unsaturated Fatty Acids
		Formerly, unsaturated fatty acids (including essential fatty acids) were known as vitamin F. There are many types of fatty acids and virtually all fats and oils contain various combinations of the three basic categories: saturated, polyunsaturated, and monounsaturated (depending upon the chemical bonds of the carbon atoms).
		Unsaturated fatty acids (UFAs) are usually found in the form of vegetable-source oils (such as liquid oils), while saturated fatty acids are usually found in solid animal fat (such as butter).
		These are essentially the reverse of what the whole, natural vitamin F complex (unsaturated fatty acids and associated nutrients) accomplishes and assists.
	www.naturalrearing.com /J_In_Learning/NutritionSupplements/UNSATFATACIDS.html (925 words)

	Unsaturated Polyester Resins
		Unsaturated polyester resins (including vinyl esters and additives) are used in the production of fibre reinforced plastics or non-reinforced filled products.
		Due to the ease and freedom of processing, unsaturated polyester resins can be applied during the manufacture of both small and large structures.
		One of the main raw materials for unsaturated polyester resins is dicyclopentadiene or DCPD, which is supplied by Dow in three different grades.
	www.dow.com /aromatics/prod/app/unsaturated.htm (101 words)

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