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Synthesis and characterization of polymaleimide
Michigan State University.
Michigan State University.
Michigan State University.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Industriell miljö- och processteknik.
2003 (engelsk)Inngår i: Industrial & Engineering Chemistry Research, ISSN 0888-5885, E-ISSN 1520-5045, Vol. 42, nr 13, s. 2881-2884Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Simplified syntheses of polymaleimide employing anionic polymerization (from the melt and from solution) and metal compound-alcohol initiators such as PbO, SnO, tin bis(2-ethyl hexanoate) in the presence of tert-butyl benzyl alcohol are presented. The resulting polymers contain a combination of C-N- and C-C-connected monomers. Preliminary structures of the polymers were determined using NMR spectroscopy. The ratio of C-N- and C-C-connected monomers was determined, and the percentage of C-N-connected monomer units was found to vary from 40 to 80%, with the higher percentage resulting from anionic polymerization. The molecular weights of the polymers, as determined by gel permeation chromatography (GPC) with aqueous mobile phase and sodium polyacrylates standards, ranged between 1100 and 4200 for anionic polymerization and were about 11 500 for metal oxide-alcohol initiated polymerization. Solution-phase properties of the polymaleimides were evaluated by calcium chelation and precipitation inhibition studies. On the basis of the measured properties of these polymers, they are proposed as biodegradable, low-impact detergent additives to substitute currently used compounds.

sted, utgiver, år, opplag, sider
2003. Vol. 42, nr 13, s. 2881-2884
HSV kategori
Forskningsprogram
Biokemisk processteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-10626DOI: 10.1021/ie0206498ISI: 000183766900001Lokal ID: 974b63d0-d7e3-11db-a1bf-000ea68e967bOAI: oai:DiVA.org:ltu-10626DiVA, id: diva2:983571
Merknad
Validerad; 2003; 20070112 (bajo)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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