Inhibition of light-induced yellowing of high-yield pulp by sodium hydroxymethylphosphinate

Jian Xin Guo, D. G. Gray

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Sodium hydroxymethylphosphinate was prepared from hypophosphorous acid and formaldehyde. Characterization of this compound and application to high-yield bleached chemithermomechanical pulps as a potential brightness stabilizer are described. The results show that sodium hydroxymethylphosphinate has several desirable characteristics; it is water-soluble, colourless, odourless and stable in storage and can inhibit the light-induced yellowing of high-yield pulp to a moderate extent. The inhibition of light-induced yellowing of chemithermomechanical pulp handsheets impregnated with sodium hydroxymethylphosphinate was characterized by UV-visible diffuse reflectance spectroscopy and spectrofluorimetry.

Original languageEnglish (US)
JournalJournal of Pulp and Paper Science
Volume22
Issue number2
StatePublished - Feb 1996
Externally publishedYes

Fingerprint

Pulp
Sodium
Phosphinic Acids
Bleached pulp
Formaldehyde
Luminance
Spectroscopy
Acids
Water

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Materials Science (miscellaneous)

Cite this

Inhibition of light-induced yellowing of high-yield pulp by sodium hydroxymethylphosphinate. / Guo, Jian Xin; Gray, D. G.

In: Journal of Pulp and Paper Science, Vol. 22, No. 2, 02.1996.

Research output: Contribution to journalArticle

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