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Journal of Wood Science

Official Journal of the Japan Wood Research Society

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Modification of softwood kraft pulp with carboxymethyl cellulose and cationic surfactants

Journal of Wood Science volume 53, pages 223–228 (2007)Cite this article

Abstract

An elemental chlorine-free (ECF)-bleached soft-wood kraft pulp was treated first with a carboxymethyl cellulose (CMC, degree of substitution 0.3, 1% on pulp) and then with alkyltrimethylammonium bromides (alkyl chain lengths of C10 to C16). Surprisingly, the treatment with dodecyltrimethylammonium bromide (C12TAB) markedly increased the internal and tensile strengths of the handsheets prepared from the modified pulp. Environmental scanning electron microscopy (ESEM) showed that these properties could be partly explained by the “rope/gum-like” bridges that were formed between the fibers.

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Authors and Affiliations

  1. Laboratory of Forest Products Chemistry, Helsinki University of Technology, PO Box 6300, FI-02015 TKK, Helsinki, Finland

    Minna Blomstedt & Tapani Vuorinen

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  1. Minna Blomstedt
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  2. Tapani Vuorinen
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Correspondence to Minna Blomstedt.

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Blomstedt, M., Vuorinen, T. Modification of softwood kraft pulp with carboxymethyl cellulose and cationic surfactants. J Wood Sci 53, 223–228 (2007). https://doi.org/10.1007/s10086-006-0856-6

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  • DOI: https://doi.org/10.1007/s10086-006-0856-6

Key words

  • Surface modification of softwood kraft pulp
  • Carboxymethyl cellulose (CMC)
  • Cationic surfactants
  • Sheet and fiber properties
  • Environmental scanning electron microscopy (ESEM)