Cationic starch as a dry strength agent in magnetic papermaking

Ainun Zuriyati Mohamed Asa'ari, Sarani Zakaria, Roslinda Shamsudin, Mustaffa H J Abdullah

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The mechanical strength of magnetic lumen loaded handsheets was reported to be lower than the unloaded handsheets. This effect is due to the deposition of filler inside the fiber lumen and some on the fibre surface which interfere with the fibre to fibre bonding. Hence, in order to improve the handsheets strength, cationic starch is used as a dry strength additive. In this study, mixed tropical hardwood pulps were used throughout the experiment. The magnetite particles were deposited in the fibre lumen via the lumen loading technique. The addition of cationic starch was found to increase the handsheet strength. However, it disturbed and influenced the location and distribution of the magnetic fillers. Some of the magnetite particles were observed to be displaced from the fiber lumen and pit apertures. The charges of the filler particles and cationic starch played an important role in producing charge repulsion and pulling effect which lead to filler dislocation.

Original languageEnglish
Pages (from-to)239-242
Number of pages4
JournalSains Malaysiana
Volume39
Issue number2
Publication statusPublished - Apr 2010

Fingerprint

fillers (equipment)
papermaking
starch
magnetite
hardwood
pulp

Keywords

  • Dry strength agent
  • Lumen loading technique
  • Magnetic paper
  • Papermaking
  • Polyacrylamide

ASJC Scopus subject areas

  • General

Cite this

Cationic starch as a dry strength agent in magnetic papermaking. / Asa'ari, Ainun Zuriyati Mohamed; Zakaria, Sarani; Shamsudin, Roslinda; Abdullah, Mustaffa H J.

In: Sains Malaysiana, Vol. 39, No. 2, 04.2010, p. 239-242.

Research output: Contribution to journalArticle

Asa'ari, Ainun Zuriyati Mohamed ; Zakaria, Sarani ; Shamsudin, Roslinda ; Abdullah, Mustaffa H J. / Cationic starch as a dry strength agent in magnetic papermaking. In: Sains Malaysiana. 2010 ; Vol. 39, No. 2. pp. 239-242.
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