Investigation on optical and mechanical properties of oxygen, hydrogen peroxide and sodium dithionite bleached chemi-mechanical pulps (CMP)

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VAYSI R.; Salimifard M.R.

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Journal Paper

Paper Information

Journal: Iranian Journal of Wood and Paper Science Research Year:2017 | Volume:32 | Issue:3 (60) Page(s): 311-321

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Title

Investigation on optical and mechanical properties of oxygen, hydrogen peroxide and sodium dithionite bleached chemi-mechanical pulps (CMP)

Author(s)

VAYSI R. | Salimifard M.R. | Issue Writer Certificate

Keywords

CMP pulpQ1

hydrogen peroxideQ1

oxygenQ1

TCF bleachingQ1

optical and mechanical propertiesQ1

Abstract

This study investigate the effect of TCF bleaching on optical and mechanical properties of CMP pulp. Some unbleached CMP pulps were randomly selected from Mazandaran Wood and Paper Industries (MWPI). Then these pulps were bleached with two and three stage OP, OPY, PY and O(Eo)P bleaching sequences using oxygen(O), alkali extraction with oxygen (Eo), sodium dithionite(Y). Hand sheets were prepared from bleahed pulps with 70 gr/m2 basis weight and then the optical and mechanical properties were measured according to TAPPI Standard test methods and compared. The results showed that brightness, greenness, fold, tensile and tear strength were increased and opacity and a* factor were decreased. In general, the impact three stage O(Eo)P and two OP and PY bleaching sequences were more effective than P stage in improving the brightness and paper strength.

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APA: Copy

VAYSI, R., & Salimifard, M.R.. (2017). Investigation on optical and mechanical properties of oxygen, hydrogen peroxide and sodium dithionite bleached chemi-mechanical pulps (CMP). IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 32(3 (60) ), 311-321. SID. https://sid.ir/paper/109948/en

Vancouver: Copy

VAYSI R., Salimifard M.R.. Investigation on optical and mechanical properties of oxygen, hydrogen peroxide and sodium dithionite bleached chemi-mechanical pulps (CMP). IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2017;32(3 (60) ):311-321. Available from: https://sid.ir/paper/109948/en

IEEE: Copy

R. VAYSI, and M.R. Salimifard, “Investigation on optical and mechanical properties of oxygen, hydrogen peroxide and sodium dithionite bleached chemi-mechanical pulps (CMP),” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 32, no. 3 (60) , pp. 311–321, 2017, [Online]. Available: https://sid.ir/paper/109948/en

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