13C CPMAS NMR investigations of cellulose polymorphs in different pulps

Sirkka Maunu, Tiina Liitiä, Seppo Kauliomäki, Bo Hortling, Jorma Sundquist

Research output: Contribution to journalArticleScientificpeer-review

66 Citations (Scopus)


In order to obtain information about the crystallinity and polymorphs of cellulose, and the occurrence of hemicelluloses in pulp fibers, wood cellulose, bacterial cellulose, cotton linters, viscose, and celluloses in different pulps were investigated by solid state 13C CPMAS NMR spectroscopy. A mixed softwood kraft pulp and a dissolving-grade pulp were treated under strongly alkaline and acidic conditions and the effect on cellulose crystallinity was studied. The presence of different crystalline polymorphs of cellulose and the amounts of hemicelluloses are considered.

Original languageEnglish
Pages (from-to)147-159
Number of pages13
Issue number2
Publication statusPublished - 1 Jan 2000
MoE publication typeNot Eligible


  • Cellulose
  • Crystallinity
  • Parchmentising
  • Polymorphs

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