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  • ...g in 1811, [[Henri Braconnot]] did pioneering work in derivative cellulose compounds, perhaps the earliest important work in polymer science. The development of ...mer to degradation depends on its structure. Epoxies and chains containing aromatic functionality are especially susceptible to [[UV degradation]] while polyes
    45 KB (6,501 words) - 10:11, 20 September 2010
  • ...d of [[aromaticity|aromatic]] backbone units only. Despite the non melting aromatic, halogen free structure it is classified as non flammable with an LOI of 38 ...ient of [[thermal expansion]] or [[conductivity]] can be adjusted by using compounds with functional fillers.
    2 KB (264 words) - 10:11, 20 September 2010
  • ...iupac/nomenclature/93/r93_683.htm A Guide to IUPAC Nomenclature of Organic Compounds (Recommendations 1993)] IUPAC, Commission on Nomenclature of Organic Chemis ...d a catalytic system based on [[titanium]] [[halide]]s and organoaluminium compounds that worked at even milder conditions than the Phillips catalyst. The Phill
    20 KB (2,802 words) - 10:11, 20 September 2010
  • ...arbon disulfide]], and composed primarily of highly condensed [[polycyclic aromatic hydrocarbon]]s. Vessels for the heating of bitumen or bituminous compounds are usually subject to specific conditions in public liability insurance po
    13 KB (1,945 words) - 10:12, 20 September 2010
  • ...cloalkane]]s and various [[aromatic hydrocarbon]]s while the other organic compounds contain [[nitrogen]], [[oxygen]] and [[sulfur]], and trace amounts of metal |[[Aromatic]]s || 15% || 3 to 30%
    69 KB (9,885 words) - 10:12, 20 September 2010
  • ...s became accessible. Despite all this progress the nature of intermetallic compounds and alloys largely remained a mystery and their study was often empirical. ...t in [[boron]] chemistry. The principle can easily be extended over larger aromatic molecules like [[naphthalene]], [[anthracene]] and if the process is taken
    26 KB (4,024 words) - 10:13, 20 September 2010
  • ...tandard '''PS''', is an [[Aromaticity|aromatic]] [[polymer]] made from the aromatic [[monomer]] [[styrene]], a liquid [[hydrocarbon]] that is commercially manu ...burns with an orange-yellow flame, giving off [[soot]], as opposed to non-aromatic hydrocarbon polymers such as [[polyethylene]], which burn with a light yell
    36 KB (5,017 words) - 10:14, 20 September 2010
  • ...flavor of the coffee bean when it is roasted. Non-volatile [[nitrogen]]ous compounds (including [[alkaloid]]s, [[trigonelline]], proteins and free [[amino acid] ...the unpleasant taste making it impossible to prepare a beverage with such compounds. In fresh green coffee from Peru, these concentrations have been determined
    29 KB (4,179 words) - 10:14, 20 September 2010
  • ...s are components of fossil fuels or are synthesized from petroleum-derived compounds, such as [[paraffin]]. ''[[Earwax]]'' is an oily substance found in the hum ...and isoalkanes, naphthenes, and alkyl- and naphthene-substituted aromatic compounds. The degree of branching has an important influence on the properties. Mil
    11 KB (1,689 words) - 10:17, 20 September 2010
  • ...</ref>. Physical properties of a particular PPE depend upon the number of aromatic rings, their substitution pattern, and whether it is an ether or a thioethe ...ecause radiation attacks covalent bonds that are most prevalent in organic compounds. One result of ionization is that the organic molecules disproportionate t
    18 KB (2,654 words) - 10:18, 20 September 2010
  • * Aromatic Note that many of the basic chemical compounds used as detergents (example: calcium sulfonate) serve the purpose of the fi
    32 KB (4,626 words) - 10:18, 20 September 2010
  • | Function = [[aromatic amine]]s ...It ignites readily, burning with a smoky flame characteristic of aromatic compounds. Aniline is colorless, but it slowly [[organic oxidation|oxidizes]] and re
    14 KB (2,008 words) - 13:10, 20 September 2010
  • ...mposites Australia</ref> DMA is also used as a precursor to other organic compounds. [[Category:Aromatic amines]]
    4 KB (538 words) - 13:10, 20 September 2010
  • [[Category:Nitro compounds]] [[Category:Aromatic amines]]
    1 KB (162 words) - 13:10, 20 September 2010
  • ...he formula C<sub>6</sub>H<sub>4</sub>(NH<sub>2</sub>)<sub>2</sub>. This [[aromatic]] [[diamine]] is an important precursor to many [[heterocyclic compound]]s. [[Category:Aromatic amines]]
    5 KB (609 words) - 13:10, 20 September 2010
  • ...oxicology Program]</ref> and so it has been largely replaced by less toxic compounds. It is similar to [[benzidine]]. [[Category:Aromatic amines]]
    2 KB (180 words) - 13:10, 20 September 2010
  • ...s a known human [[carcinogen]] and has largely been replaced by less toxic compounds. 2-Naphthylamine is prepared by heating 2-[[naphthol]] with [[ammonium]] [[ [[Category:Aromatic amines]]
    3 KB (377 words) - 13:10, 20 September 2010
  • [[Category:Nitro compounds]] [[Category:Aromatic amines]]
    2 KB (308 words) - 13:11, 20 September 2010
  • ...nt in some [[sunscreen]]s. It is an [[ester]] derivative of [[PABA]]. This aromatic chemical absorbs [[ultraviolet]] rays thereby preventing sunburn. However, ...of padimate O and padimate A resemble that of [[Michler's ketone]]. These compounds have been shown to increase the lethal effects of UV-radiation on cells.<re
    2 KB (228 words) - 13:11, 20 September 2010
  • ...''-nitroaniline''', is an [[organic chemical]], a [[nitration|nitrated]] [[aromatic amine]], a derivate of [[diphenylamine]]. Its chemical formula is C<sub>12< [[Category:Aromatic amines]]
    3 KB (363 words) - 13:11, 20 September 2010

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