financially supported by the National Basic Research Program of China (No. 2012CB215302);National Natural Science Fundation of China (No. 20876064);the Guangdong Provincial Natural Science Fund (No. 9151064101000082)
A trimeric lignin model compound composed of α-O-4 and β-O-4 linkages was prepared by the microwave-assisted synthesis, which consisted of three steps: (a) the synthesis of 3-methoxy-4- benzyloxyacetophenone (2...
supported by the National Natural Science Fund of China(No.20876064);the Guangdong Provincial Natural Science Fund(No.9151064101000082);the Guangdong Provincial International Cooperation Fund(No.2008B05010006).
Lignosulfonate with low polydispersity index of 1.178-1.210 was isolated by gel column chromatography of Sephacryl S-100 eluted with 0.2 mol/L of NaNO3 aqueous solution,whereas nearly monodisperse ligosulfonate fracti...
Supported by the National Natural Science Foundation of China(20876064); the Natural Science Foundation of Guangdong Province(9151064101000082); the Guangdong Provincial International Cooperation Fund(2008B05010006)
The effects of oxidant dosage,oxidation temperature and time on the degradation of soda lignin by hydrogen peroxide with and without the presence of microwave irradiation were investigated.It is found that the oxidati...