Effect of mixed tropical hardwood kraft pulp and polyacrylamide types on magnetite retention in lumen loaded handsheets

Ainun Zuriyati Mohamed, Sarani Zakaria, Roslinda Shamsuddin, Mustaffa Abdullah

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This paper reports on the preparation of magnetic lumen loaded handsheets from bleached and unbleached mixed tropical hardwood kraft pulps. The lumen coating technique is a physical approach whereby fillers were deposited inside the fibre lumen. In order to produce magnetically responsive fibres, magnetic fillers were loaded into the fibre lumen. The magnetic filler chosen was magnetite which is usually used to make mylar as found in a diskette. Low and high molecular weights of Polyacrylamide (PAM) were used as retention aids. The effect of different molecular weight of PAM on filler content in the bleached and unbleached handsheets were studied. The results showed that the amount of fillers deposited in the pulp fibres increased with increasing molecular weight of PAM using both pulps. However the bleached pulps gave better lumen loading than the unbleached when using high molecular weight of PAM.

Original languageEnglish
Pages (from-to)441-444
Number of pages4
JournalSains Malaysiana
Volume39
Issue number3
Publication statusPublished - Jun 2010

Fingerprint

filling materials
kraft pulp
magnetite
polyacrylamide
hardwood
molecular weight
pulp
pulp fiber
coatings

Keywords

  • Lumen loading technique
  • Magnetic paper
  • Magnetite
  • Polyacrylamide

ASJC Scopus subject areas

  • General

Cite this

Effect of mixed tropical hardwood kraft pulp and polyacrylamide types on magnetite retention in lumen loaded handsheets. / Mohamed, Ainun Zuriyati; Zakaria, Sarani; Shamsuddin, Roslinda; Abdullah, Mustaffa.

In: Sains Malaysiana, Vol. 39, No. 3, 06.2010, p. 441-444.

Research output: Contribution to journalArticle

Mohamed, Ainun Zuriyati ; Zakaria, Sarani ; Shamsuddin, Roslinda ; Abdullah, Mustaffa. / Effect of mixed tropical hardwood kraft pulp and polyacrylamide types on magnetite retention in lumen loaded handsheets. In: Sains Malaysiana. 2010 ; Vol. 39, No. 3. pp. 441-444.
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