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Topic: Resin acid

	Resin - LoveToKnow 1911
		The resins which are obtained as natural exudations are in general mixtures of different, peculiar acids, named the resin acids, which dissolve in alkalis to form resin soaps, from which the resin acids are regenerated by treatment with acids.
		Examples of resin acids are abietic (sylvic) acid, C19H2802, occurring in colophony, and pimaric acid, C20H3002, a constituent of gallipo resin.
		The general conception of a resin is a noncrystalline body, insoluble in water, mostly soluble in alcohol, essential oils, ether and hot fatty oils, softening and melting under the influence of heat, not capable of sublimation, and burning with a bright but smoky flame.
	www.1911encyclopedia.org /Resin (417 words)

	H&T Product/Services_Condenstate Polishers
		The anion resin was regenerated with caustic and the cation resin with acid.
		Once the resins have been separated as well as possible, it is still necessary (in a transfer demineralizer with a three-tank regeneration facility) to sluice the anion resin over to the anion regeneration tank.
		The cation resin is left in the bottom of the anion regeneration vessel, and is subsequently transferred into the cation regeneration vessel along with the next charge of resin for regeneration.
	www.hungerfordterry.com /condensate.htm (3614 words)

	Epoxy resin/acid/tertiary amine reaction product with reactive diluent - Patent 6087417
		The R group of the (meth)acrylic acid is H or a lower alkyl group (i.e., an alkyl having one to six carbon atoms) and, preferably, H or methyl.
		The acid number as used in reference to the present compositions is the number of milligrams of potassium hydroxide required to neutralize one gram of solids portion of the composition.
		The principal role of the reactive diluent is to act as a solvent during mixing of the epoxy resin, carboxylic acid, and tertiary amine.
	www.freepatentsonline.com /6087417.html (9470 words)

	Resin - Wikipedia, the free encyclopedia
		Resin as produced by most plants is a viscous liquid, typically composed mainly of volatile fluid terpenes, with lesser components of dissolved non-volatile solids which make resin viscous and sticky.
		The hard transparent resins, such as the copals, dammars, mastic and sandarac, are principally used for varnishes and cement, while the softer odoriferous oleo-resins (frankincense, elemi, turpentine, copaiba) and gum resins containing essential oils (ammoniacum, asafoetida, gamboge, myrrh, and scammony) are more largely used for therapeutic purposes and incense.
		Resin acids can be dissolved in alkalis to form resin soaps, from which the purified resin acids are regenerated by treatment with acids.
	en.wikipedia.org /wiki/Resin (797 words)

	Resin Summary
		Resin as produced by most plants is a viscous liquid, typically composed mainly of volatile fluid terpenes, with lesser components of dissolved non-volatile solids which make resin viscous and sticky.
		The hard transparent resins, such as the copals, dammars, mastic and sandarac, are principally used for varnishes and cement, while the softer odoriferous oleo-resins (frankincense, elemi, turpentine, copaiba) and gum resins containing essential oils (ammoniacum, asafoetida, gamboge, myrrh, and scammony) are more largely used for therapeutic purposes and incense.
		Resin acids can be dissolved in alkalis to form resin soaps, from which the purified resin acids are regenerated by treatment with acids.
	www.bookrags.com /Resin (1248 words)

	Encyclopedia :: encyclopedia : Amino acid (Site not responding. Last check: )
		Many amino acids are used to synthesize other molecules, such as tryptophan which is a precursor of the neurotransmitter serotonin, and glycine which is one of the reactants in the synthesis of porphyrins such as heme.
		In humans, the essential amino acids are lysine, leucine, isoleucine, methionine, phenylalanine, threonine, tryptophan, valine, and (in children) histidine and arginine.
		Amino acids are usually classified by properties of the side chain into four groups: acidic, basic, hydrophilic (polar), and hydrophobic (nonpolar).
	www.hallencyclopedia.com /Amino_acid (1728 words)

	Spartanburg SC \| GoUpstate.com \| Spartanburg Herald-Journal
		Resin or Rosin (Oxford dictionary) is a hydrocarbon secretion of many plants, particularly coniferous trees, valued for its chemical constituents and uses, such as, as varnishes, adhesives, as an important source of raw materials for organic synthesis, or for incense and perfume.
		Resin acids can be dissolved in alkalis to form resin soaps, from which the purified resin acids are regenerated by treatment with acids.
		The hard transparent resins, such as the copals, dammars, mastic and sandarac, are principally used for varnishes and cement, while the softer odoriferous oleo-resins (frankincense, elemi, turpentine, copaiba) and gum resins containing essential oils (ammoniacum, asafoetida, gamboge, myrrh, and scammony) are more largely used for therapeutic purposes and incense.
	www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=resin (845 words)

	Spartanburg SC \| GoUpstate.com \| Spartanburg Herald-Journal
		Resin acids are protectants and wood preservatives that are produced by parenchymatous epithelial cells that surround the resin ducts in trees from temperate coniferous forests.
		Mixtures of isomeric carboxylic acids, such as abietic and pimaric acids, which occur in rosin in nature in solvent-free form, in the form of tree sap or wood rosin such as pine oleoresin, where they are dissolved in terpenic hydrocarbons.
		Kraft soap can be reneutralized in the presence of concentrated sulphuric acid to restore the acidic forms abietic acid, palmiric acid and their isomers which form the resin acid component of a pulping byproduct called tall oil.
	www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=resin_acid (695 words)

	BT valve regulated lead acid battery range, technical file on lead acid batteries
		For example, if a lead acid battery was discharged to zero (0) volts, and left standing in either open circuit or on load for a long period of time, severe sulphation would occur, raising the internal resistance of the battery to an abnormally high level.
		Although over discharging IBT lead acid batteries is not recommended, they have been designed to withstand small levels of over discharge, provided that the battery is not left in a discharged state for a long period of time.
		When a lead acid battery has been subjected to deep discharge (commonly known as over discharge), the amount of electrical energy that has been discharged can be 1.5 to 2.0 times greater than the rated battery capacity.
	www.ibt-power.com /Lead_acid_tech/lead_acid_tech.html (3128 words)

	Resin
		Resins have a very long history and are mentioned by both Theophrastus and Pliny the Elder, especially as the forms known as frankincense and myrrh.
		Resin acids can be dissolved in alkalis to form resin soaps, from which the purified resin acids are regenerated by treatment with acids.
		The hard transparent resins, such as the copals, dammars, mastic and sandarac, are principally used for varnishes and cement, while the softer odoriferous oleo-resins (frankincense, elemi, turpentine, copaiba) and gum resins containing essential oils (ammoniacum, asafoetida, gamboge, myrrh, and scammony) are more largely used for therapeutic purposes and incense.
	plantspedia.org /info/Resin (933 words)

	Patent 6,001,392
		The ion exchange resins suitable for use in these preparations are water-insoluble and consist of a pharmacologically inert organic or inorganic matrix containing covalently bound functional groups that are ionic or capable of being ionized under the appropriate conditions of pH.
		Another useful exchange resin, Dow XYS-40013.00, is a polymer composed of polystyrene cross-linked with 8% of divinylbenzene and functionalized with a quaternary ammonium group; its exchange capacity is normally within the range of approximately 3 to 4 meq./g of dry resin.
		Adsorption of drug onto the resin may be detected by measuring a change in the pH of the reaction medium, or by measuring a change in concentration of sodium or drug.
	www.pharmcast.com /Patents/121499OG/6001392_antitussive121499.htm (3985 words)

	Resins_1
		A solution of a resin in a volatile solvent, when painted on a smooth surface should rapidly and completely dry to form a hard transparent film; to be suitable for varnish the film should not darken with age or become impaired upon exposure to light or moisture.
		Resin may continue to flow for a considerable period from wounding, or in some cases it may be necessary to inflict wounds at frequent intervals.
		From the latter the aromatic acid (practically insoluble inwater) may be obtained by distillation of the reaction mixture (to remove the alcohol}, extraction of the residue with water, and acidification of the solution with a mineral acid, whereupon the aromatic acid is precipitated.
	www.herbdatanz.com /resins_1.htm (2017 words)

	Chapter 08 Ion Exchange
		The new anion resin was used with the hydrogen cycle cation resin in an attempt to demineralize (remove all dissolved salts from) water.
		The resin is regenerated with sodium chloride brine, as in a zeolite softener.
		The deep bed cation resin condensate polisher is regenerated with 15 lb of sodium chloride per cubic foot of resin, in a manner similar to that used for conventional sodium zeolite regeneration.
	www.gewater.com /handbook/ext_treatment/ch_8_ionexchange.jsp (9742 words)

	Resin Works Blog » Resin
		Resin is a hydrocarbon secretion of many plants, particularly coniferous trees, valued for its chemical constituents and uses such as varnishes and adhesives.
		Resin as produced by most plants is a viscous liquid, typically composed mainly of volatile fluid terpenes, with lesser components of dissolved non-volatile solids which make resin viscous and sticky.
		The commonest terpenes in resin are the bicyclic terpenes alpha-pinene, beta-pinene, delta-3 carene and sabinene, the monocyclic terpenes limonene and terpinolene, and smaller amounts of the tricyclic sesquiterpenes longifolene, caryophyllene and delta-cadinene.
	www.resinworks.com /2005/10/30/resin (708 words)

	Resin, bile acid definition - Cholesterol Information Produced by Doctors For Patients Experiencing High Cholesterol ...
		Resin, bile acid: Bile acid resins are substances that bind in the intestines with bile acids that contain cholesterol and are then eliminated in the stool.
		Bile acid resins are sometimes prescribed with a statin for patients with heart disease to increase cholesterol reduction.
		The bile acid resins are not prescribed as the sole medicine to lower your cholesterol if you have high triglycerides or a history of severe constipation.
	www.medterms.com /script/main/art.asp?articlekey=9496 (373 words)

	Resin Works Blog » Resin acid
		Resin acids are protectants and wood preservatives that are produced by parenchymatous epithelial cells that surround the resin ducts in trees from temperate coniferous forests.
		Resin in the sapwood, however, is less at the base of the tree and increases with height.
		Mixtures of isomeric carboxylic acids, such as abietic and pimaric acids, which occur in rosin in nature in solvent-free form, in the form of tree sap or wood rosin such as pine oleoresin, where they are dissolved in terpenic hydrocarbons.
	www.resinworks.com /2005/10/30/resin-acid (421 words)

	ION EXCHANGE CHEMISTRY AND OPERATION
		Strong acid resins are so named because their chemical behavior is similar to that of a strong acid.
		After exhaustion, the resin is converted back to the hydrogen form (regenerated) by contact with a strong acid solution, or the resin can be convened to the sodium form with a sodium chloride solution.
		Regeneration properties are similar to those of a weak acid resin; the chelating resin can be converted to the hydrogen form with slightly greater than stoichiometric doses of acid because of the fortunate tendency of the heavy metal complex to become less stable under low pH conditions.
	www.remco.com /ix.htm (3005 words)

	Weak Acid Cation Resin
		Weak acid cation resin is used as a single resin for dealkalization in the H cycle and for brackish water softening in Na cycle.
		In demineralization, the use of a weak acid cation in front of a strong cation is preferred with feed waters containing a high proportion of temporary hardness (>40%) and low Free Mineral Acid (FMA).
		With sulfuric acid regeneration, two separate cation columns should be used in order to allow acid dilution at the weak acid resin inlet.
	www.dow.com /liquidseps/prod/wac.htm (180 words)

	Aqueous coating comprising dispersible epoxy resin-acid polymer ester and diluent polymer, and method of preparation - ...
		As recognized in the art, epoxy resins prepared by the condensation of bisphenols and epichlorohydrin contain a mixture of diepoxides, monoepoxides and aromatic polyethers which are free of epoxy groups.
		Suitable mixtures of epoxy resins can be obtained by reacting a lower molecular weight epoxy resin having a functionality of between 1 and 2, for example, with a defunctionalizing agent which is capable of reacting with the epoxy groups.
		It is evident that the amount of amine present during the reaction between epoxy resin and the carboxyl group containing acrylic copolymer has a profound effect on the viscosity and particle size of the ionic polymer and that this effect is also evident after the styrene-butyl acrylate polymer is introduced.
	www.freepatentsonline.com /4446258.html (4979 words)

	Section 4 - Chemical Solution Maintenance, 4.5 ACID SORPTION
		Acid sorption is one of several processes where resins are used to absorb chemicals present in surrounding solutions and the chemicals are subsequently desorbed with water.
		Acid is sorbed into the resin while the remaining dissolved metal salts are rejected as mildly acidic solution leaving from the top of the bed.
		Acid is desorbed from the resin and displaced from the bottom of the bed.
	www.nmfrc.org /bluebook/sec451.htm (656 words)

	U.S. Patent: 5608004 - Water base coating composition - March 4, 1997
		In the present invention, a melamine resin having a triazine ring or a benzoguanamine resin having a triazine ring and an aromatic ring, is used as a crosslinking agent to improve the water resistance and hot water resistance of the coating film thereby obtained.
		A urea resin which is also an amino plasto resin, does not have a triazine ring and accordingly is inferior in the water resistance or hot water resistance, and it is not advisable to incorporate such a urea resin in a large amount.
		Further, it uses an aromatic polybasic carboxylic acid as the acid component of the polyester resin and uses a crosslinking agent having a triazine ring, whereby the film thereby obtained is excellent in water resistance and hot water resistance.
	www.everypatent.com /comp/pat5608004.html (2884 words)

	U.S. Patent: 5525670 - Aqueous coating composition and coating process using the same - June 11, 1996
		The acrylic resin of the component (A) is a resin having an acid value of 10 to 100, a hydroxyl value of 20 to 300 and an average-number molecular weight of 1,000 to 50,000, which is obtained by copolymerizing an acidic group-containing ethylenic monomer, a hydroxyl group-containing ethylenic monomer and another ethylenic monomer.
		Further, since the polycarbonate resin causes deterioration of the viscosity of the surface layer of the basecoat, smoothness of the coat is improved.
		The alkyd resin was neutralized with dimethylethanolamine to obtain an aqueous alkyd resin varnish (II) having a neutralization degree of 80% and a nonvolatile content of 35% by weight.
	www.everypatent.com /comp/pat5525670.html (7469 words)

	Thermoplastic resin compositions suitable for use in transparent laminates patent invention (Site not responding. Last check: )
		Resins of the present invention are particularly suitable for preparing transparent laminates useful as glazing elements that provide a greater measure of safety than non-laminated glazing elements.
		An ionoplast resin of the present invention is a an ethylene acid copolymer resin consisting essentially of from about 21 wt % to about 30 wt % of an.alpha.,.beta.-unsaturated carboxylic acid having from 3 to 8 carbons.
		The ionoplast resins are at least partially neutralized, and exist as a partial salts comprising metal ions selected from ions in the group consisting of alkaline and alkaline earth metal ions, and transition metal ions.
	www.freshpatents.com /Thermoplastic-resin-compositions-suitable-for-use-in-transparent-laminates-dt20060817ptan20060182983.php (2275 words)

	Epoxy resin traffic paint compositions (Site not responding. Last check: )
		A suitable such acid includes Empol 1014, a viscous aliphatic polybasic acid produced by the polymerization of unsaturated fatty acids at mid-molecule and containing 1% C.sub.18 monobasic fatty acid, 95% C.sub.36 dibasic fatty acid, and 4% C.sub.54 tribasic fatty acid, acid value 188-193, saponification value 194-198 and neutralization equivalent 292-298.
		Particularly preferred are the trimerized acids obtained from the ethylenically unsaturated fatty acids as derived from semi-drying and drying oils, and particularly, the conjugated fatty acids containing from 12 to 20 carbon atoms.
		Acid 1016 is a viscous aliphatic polymeric acid produced by the polymerization of unsaturated fatty acids at mid molecule and containing 87% C.sub.36 dibasic fatty acid; 13% C.sub.54 tribasic fatty acid; acid value of 190-198; saponification value of 194-200; and a neutralization equivalent of 284-294.
	www.sacnewsmonthly.com /invent/helical_conveyor/epoxy_resin_traffic_paint_compositions.html (3184 words)

	Phosphoric Acid
		Phosphoric acid fuel cells (PAFC) are a type of fuel cell that uses liquid phosphoric acid as an electrolyte.
		Phosphoric acid fuel cells were the first fuel cells to cross the commercial threshold in the electric...
		3.0 for sulfuric acid, nitric acid, phosphoric acid and hydrochloric acid.
	sodiumpca.moatsodium.com /phosphoricacid (754 words)

	Lipids Online Slides: bile, bile acid sequestrants, bile acid resins
		Bile acid resins bind bile acids in the intestine, which reduces the enterohepatic recirculation of bile acids.
		Bile acid resins are not absorbed from the GI tract and thus lack systemic toxicity.
		Bile acid resins can decrease the absorption of other drugs administered concurrently, including fat-soluble vitamins, and so it is recommended that other drugs be taken an hour before or 4 hours after the bile acid resin.
	www.lipidsonline.org /slides/slide01.cfm?q=bile&pg=4 (1928 words)

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