2015
DOI: 10.1021/acsmacrolett.5b00726
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Microporous Polymer Networks Made by Cyclotrimerization of Commercial, Aromatic Diisocyanates

Abstract: The cyclotrimerization of commercial, aromatic diisocyanates allows for the formation of monolithic, microporous polymer networks with S BET surface areas up to 1300–1500 m2/g. The process has been up-scaled for production of 100 g batches. The monolithic materials show a promising potential for the removal of lipophilic components from aqueous mixtures.

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Cited by 30 publications
(24 citation statements)
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“…Trimerization of isocyanates (RNCO, Scheme 1) is the most rapid, economical and atom-efficient route to isocyanurates, which are used in a diverse range of applications, such as medicines, [2][3][4][5] selective anion binding, 6 microporous materials 7,8 and coating materials. 9 However, isocyanurates' principal application is in the construction industry; they are the key component in rigid polyurethane foams which are used ubiquitously as insulation boards and are responsible for their mechanical and thermosetting properties.…”
mentioning
confidence: 99%
“…Trimerization of isocyanates (RNCO, Scheme 1) is the most rapid, economical and atom-efficient route to isocyanurates, which are used in a diverse range of applications, such as medicines, [2][3][4][5] selective anion binding, 6 microporous materials 7,8 and coating materials. 9 However, isocyanurates' principal application is in the construction industry; they are the key component in rigid polyurethane foams which are used ubiquitously as insulation boards and are responsible for their mechanical and thermosetting properties.…”
mentioning
confidence: 99%
“…In recent work by our research group, a series of Mn(II) and Fe(II) m-terphenyl complexes were found to catalyse the cyclotrimerisation of primary aliphatic isocyanates (Scheme 11). 62 The reactions proceeded cleanly under mild conditions to afford isocyanurates, which find use as polymer additives to improve their physical properties, 63,64 in addition to applications in microporous materials, 65,66 selective ion bonding, 67 and drug delivery. [68][69][70][71] Two different flanking aryl groups were employed in the m-terphenyl ligands; [2,6-Mes 2 C 6 H 3 ] − , and the less sterically encumbering [2,6-Tmp 2 C 6 H 3 ] − (Tmp = 2,4,5-Me 3 C 6 H 2 ), giving catalytically active manganese and iron complexes (16)(17)(18)(19), Scheme 11a).…”
Section: Manganese and Ironmentioning
confidence: 99%
“…Thus, isocyanurate frameworks are the key components in rigid polyurethane foams, which are used in a variety of industrial applications, such as elastomers, sealants, coatings, and insulation boards. 1-3 Furthermore, isocyanurates have diverse range of applications, such as medicines, 4,5 selective anion binding, 6,7 functional microporous materials, 8,9 and coating materials. 10 Cyclotrimerization of three isocyanate molecules is the most rapid, economical, and atom-efficient route to isocyanurates.…”
Section: Introductionmentioning
confidence: 99%