PH-DEPENDED BEHAVIOR OF CHITOSAN POLYMER ON THE KRAFT SURFACE MODIFIED FIBERS OF

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RASOOLPUR HEDAIATI N.; NAZARNEZHAD N.; RAMEZANI O.

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Journal: Iranian Journal of Wood and Paper Science Research Year:2015 | Volume:30 | Issue:3 Page(s): 513-524

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Title

PH-DEPENDED BEHAVIOR OF CHITOSAN POLYMER ON THE KRAFT SURFACE MODIFIED FIBERS OF

Author(s)

RASOOLPUR HEDAIATI N. | NAZARNEZHAD N. | RAMEZANI O. | Issue Writer Certificate

Keywords

CHITOSANQ1

FIBERS SURFACE MODIFICATIONQ2

PHQ2

KRAFT PULPQ1

PHYSICAL & MECHANICAL PROPERTIESQ2

Abstract

CHITOSAN is known as a natural polymer which improves strength of paper. So, in this study CHITOSAN absorption on modified kraft fibers and the increase on its efficiency were investigated. The effect of three levels (0%, 0.75% and 1.25%) of CHITOSANon on kraft fibers surfaces and 3% hydrogen peroxide dosage in different PH levels (5.5, 7 and 8.5) were studied. The results showed that CHITOSAN had better performance at low dosages and alkaline conditions. Also fiber surface modification by hydrogen peroxide caused an increase of carboxyl groups and fibers anionic charge. Fibers anionic charge with the participation of CHITOSAN formed a dual system. The apparent density increased from acidic PH to alkaline and the highest apparent density was reached in alkaline PH and 0.75 % of CHITOSAN. Tensile strength index and burst strength index of paper were higher in alkaline PH and 0.75 % of CHITOSAN. Whereas, CHITOSAN and the surface modified fibers of KRAFT PULP did not significantly affected the tear index.

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APA: Copy

RASOOLPUR HEDAIATI, N., NAZARNEZHAD, N., & RAMEZANI, O.. (2015). PH-DEPENDED BEHAVIOR OF CHITOSAN POLYMER ON THE KRAFT SURFACE MODIFIED FIBERS OF. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 30(3), 513-524. SID. https://sid.ir/paper/109487/en

Vancouver: Copy

RASOOLPUR HEDAIATI N., NAZARNEZHAD N., RAMEZANI O.. PH-DEPENDED BEHAVIOR OF CHITOSAN POLYMER ON THE KRAFT SURFACE MODIFIED FIBERS OF. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2015;30(3):513-524. Available from: https://sid.ir/paper/109487/en

IEEE: Copy

N. RASOOLPUR HEDAIATI, N. NAZARNEZHAD, and O. RAMEZANI, “PH-DEPENDED BEHAVIOR OF CHITOSAN POLYMER ON THE KRAFT SURFACE MODIFIED FIBERS OF,” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 30, no. 3, pp. 513–524, 2015, [Online]. Available: https://sid.ir/paper/109487/en

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