ChemInform Abstract: REACTION OF EPICHLOROHYDRIN WITH PHENOL IN AN ALKALINE MEDIUM

Sorokin, M.F.; Finyakin, L. N.; Shode, L. G.; Nogteva, S. I.; Kafarov, Viatcheslav

doi:10.1002/chin.197636144

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Lignin Bead Preparation1

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2009

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“…On the contrary, a more concentrated media with a lower speed results in a lower yield of larger beads (entry 11). Finally, the selection of a diluted media with a medium-range stirring speed resulted in reproducible high yields of beads of satisfactory size (entries [12][13][14]. Figure 1 represents an optical micrograph of some beads from experiment 12.…”

Section: Lignin Bead Preparationmentioning

confidence: 97%

Preparation of functionalized Kraft lignin beads

Saidane

Barbe²,

Birot

et al. 2009

J of Applied Polymer Sci

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Kraft lignin from black liquor wastes have been converted into epichlorohydrin-crosslinked beads by inverse suspension polymerization. A careful control of the different parameters allowed the preparation of spherical beads with a relatively narrow diameter size distribution. The obtained beads, without permanent porosity, swell well in hydroalcoholic media. Grafting of the sulfonylhydrazine moiety using a two-step route was further performed to apply them to carbonyl compounds scavenging.

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Section: Lignin Bead Preparationmentioning

confidence: 97%