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Pentamethylene

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Pen`ta`meth´yl`ene
n.1.(Chem.) A hypothetical hydrocarbon, C5H10, metameric with the amylenes, and the nucleus of a large number of derivatives; - so named because regarded as composed of five methylene residues. Cf. Trimethylene, and Tetramethylene.
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1990)] n = 5 and m = 7 Polyhexamethylene- 1850 (c) -63 pentamethylene carbonate diol (PHMPMCD) 4,4'-Diphenylmetane diisocyanate 250 -- (MDI) 1,4-Butanediol (BD) 90 -- [T.
Thermoplastic polyurethane elastomers based on polycarbonate diols ... by Eceiza, A.; Martin, M.D.; de la Caba, K.; Kortaberria, G.; Gabilondo, N.; Corcuera, M.A.; Mondragon, / Polymer Engineering and Science
Dinitroso pentamethylene tetramine (DNPT) and azodicarbonamide (ADCA) are two of the less toxic blowing agents, but poorer cell structure and less consistent physical properties are likely to result from their use.
New technology to produce silicone sponge without chemical blowing ... by Netto, Tebet J. / Rubber World
Among the most important chemical blowing agents (CBA) are: * ADCA, azodicarbonamide; * OBSH, p,p' oxybis (benzene sulfonyl hydrazide); * DNPT, dinitroso pentamethylene tetramine.
Expanding rubber through the years by Rowland, Donald G. / Rubber World
 
 
 
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