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Official Journal of the Japan Wood Research Society

Table 2 Isolated yield, residual OH content, and molecular weight distribution of original kraft lignin and the ester derivatives

From: Selective substitution of long-acyl groups into alcohols of kraft lignin over transesterification using ionic liquid

Sample

Isolated yield (%)

Molecular weight distribution

Mw (103 g mol−1)

Ða

Kraft lignin

8.7

14

LigAc

83

8.3

9.3

LigPr

86

9.5

9.2

LigBu

87

9.3

9.2

LigHe

89

10

9.1

LigOc

92

10

8.9

  1. aPolydispersity, Mw/Mn