Production of polyesters for polyurethanes at pilot plant scale
für 44.10€ kaufen ··· 9783846542620 ··· 1036188189 ··· Understanding variables that affect production of unsaturated polyester polyols based on dimer fatty acids Unidyme®14 and Unidyme®18 with ethylene glycol and 1,4-butane diol that were synthesized via the polycondensation reaction mechanism. We studied a fast way to determine molecular weight, which usually takes a lot of time and is not very economical and ecological. Among the experimental controlled parameters for each polyol synthesis a special attention was paid to these products viscosity, color, molecular weight, acid and hydroxyl value parameters of extremely commercial importance. The Unidyme®14 dimer fatty acid, having a dimer acid percentage of 94%, induces the polyols based on them to be products of relatively commercial relevance. As for the Unidyme® 18 dimmer fatty acid, its dimer percentage is 81,8%. Unidyme®18 its based polyols commercial interest is specially relevant not only when a lower cost is a relevant factor, but also when its trimmer content is important to confer non-crystallinity properties to the final end product. Also, flexible polyurethane foams were developed (1250-2000 molecular weight) polyol polyester and tested regarding oil absorption capacity. Hersteller: LAP Lambert Academic Publishing Marke: LAP Lambert Academic Publishing EAN: 9783846542620 Kat: Hardcover/Naturwissenschaften, Medizin, Informatik, Technik/Technik/Chemische Technik Lieferzeit: Sofort lieferbar Versandkosten: Ab 20¤ Versandkostenfrei in Deutschland Icon: https://www.inforius-bilder.de/bild/?I=hqcYHZUvViBPDDXSCpQEjW0WoBD6cHtB660%2FQqxRQkQ%3D Bild:
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