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Table 1 Reaction conditions, mass-average (Mw) and number-average (Mn) molecular weights of products, and the content of PEG

From: Epoxidation and etherification of alkaline lignin to prepare water-soluble derivatives and its performance in improvement of enzymatic hydrolysis efficiency

Samplea Reaction conditions Molecular weightb Content of PEG (%)
Temperature (°C) Catalyst (g) Mn (g/mol) Mw (g/mol) Mw/Mn
LP6000.8 130 0.8 770 ± 7 900 ± 7 1.16 63.0
LP6001.0 130 1.0 800 ± 14 930 ± 20 1.15 65.0
LP6001.2 130 1.2 780 ± 14 900 ± 7 1.14 67.0
LP1000130 130 1.2 890 ± 14 1290 ± 28 1.43 68.0
LP1000140 140 1.2 770 ± 7 890 ± 14 1.16 70.0
  1. aLP6000.8, LP6001.0, and LP6001.2 represent the products obtained from the reaction between LERM and PEG600 at 130 °C using 0.8, 1.0, and 1.2 g catalyst, respectively; LP1000130 and LP1000140 represent the products obtained from the reaction between LERM and PEG1000 at 130 and 140 °C using 1.2 g catalyst, respectively
  2. bData represented are mean values and standard deviations of the results obtained from the duplicated determination