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. 2018 Sep 7;3(9):10866–10876. doi: 10.1021/acsomega.8b01447

Table 2. Weight-Average (Mw) and Number-Average (Mn) Molecular Weights and Polydispersity Indices (PDI, Mw/Mn) of Lignin Extracted from Coffee Husk by Various Ionic Liquids.

  ionic liquids used at various experimental temperatures
  [DIPEA][Ac]
[DIPEA][B]
[DIPEA][O]
[DIPEA][P]
T (°C) Mw Mn PDI Mw Mn PDI Mw Mn PDI Mw Mn PDI
80 2200 2111 1.04 ND ND ND 3068 2852 1.08 2527 2403 1.05
100 1641 1638 1.00 ND ND ND 2753 2362 1.16 2521 2389 1.06
120 1582 1581 1.00 5796 5093 1.14 2735 2273 1.20 2238 2124 1.05