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Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 5 Evaluation of heat-moldability in hot-pressing and the resultant films 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

 

Kraft lignin

LigAc

LigPr

LigBu

LigHe

LigOc

Press temp.a

200 °C

180 °C

160 °C

150 °C

145 °C

130 °C

Pictures of molded sample

Availabilityb

−

+

+

++

++

++

  1. aDetermined by Tg and the samples were pressed twice for each 60 s
  2. bConsidered by the self-standing ability and flexibility of the hot-pressed films
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