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Items for "dissolving pulp"

Monoethanolamine (MEA) pulping of beech and spruce wood for production of dissolving pulp

Delignification with the use of monoethanolamine (MEA) is an innovative, environmentally friendly chemical pulping process that, in contrast to conventional pulping methods, works without the use of sulphur compounds...

Keywords: delignification, dissolving pulp, MEA pulping, monoethanolamine, oxygen bleaching, prehydrolysis

10/2004 | Holzforschung, Walter de Gruyter
Upgrading of paper-grade pulps to dissolving pulps by nitren extraction: Optimisation of extraction parameters and application to different pulps

Xylans were selectively removed from paper-grade pulps by nitren extraction to produce dissolving pulps...

Keywords: carbohydrate composition, Cuen viscosity, dissolving pulp, Extraction, glucomannan, nitren, paper-grade pulp, xylan

07/2006 | Holzforschung, Walter de Gruyter
Cross polarisation/magic angle spinning 13C-NMR spectroscopic studies of cellulose structural changes in hardwood dissolving pulp process

Cross polarisation/magic angle spinning 13C NMR spectroscopy has been used to study structural changes in cellulose induced by the dissolving pulp process...

Keywords: 92?, 96?, bleaching, cellulose fibril, cellulose fibril aggregate, cellulose supramolecular structure, CP/MAS 13C-NMR, dissolving pulp, Eucalyptus, molecular mass distribution, sugar analysis

11/2007 | Holzforschung, Walter de Gruyter