THE COMPARISON OF PHYSICAL AND MECHANICAL SPECIFICITY OF PAPERS MADE OF POPLAR (POPULUS DELTOIDES), PAULOWNIA (PAULOWNIA FORTUNEI) AND THEIR MIXTURE WOOD, USING CHEMI-MECHANICAL (CMP) METHOD

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HOSSEINI S.Z.A.; MASHALCHIAN M.

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Paper Information

Journal: Journal of Agricultural Sciences and Natural Resources Year:2008 | Volume:15 | Issue:2 Page(s): 42-48

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Title

THE COMPARISON OF PHYSICAL AND MECHANICAL SPECIFICITY OF PAPERS MADE OF POPLAR (POPULUS DELTOIDES), PAULOWNIA (PAULOWNIA FORTUNEI) AND THEIR MIXTURE WOOD, USING CHEMI-MECHANICAL (CMP) METHOD

Author(s)

HOSSEINI S.Z.A. | MASHALCHIAN M. | Issue Writer Certificate

Keywords

POPLARQ3

PAULOWNIAQ3

FASTGROWINGQ3

YIELDQ3

FIBERSQ2

CHEMEI-MECHANICALQ3

PAPER STRENGTHQ3

TEARINGQ3

Abstract

Pulp producing in vast scale using mechanical and semichemical methods such as: thermomechanical (TMP), chemei-thermomechanical (CTMP) and CHEMEI-MECHANICAL (CMP), because of saving raw material and producing high YIELD pulp are the main important issue, which is being developed and implemented recently, and is considered more than the past. Finland, Sweden and Canada involved in the above mentioned issue more than other countries. Although chemeimechanical pulp production does not pass on more than two decades in Iran, but there has been a lot of research progress in the field of pulp and papermaking processes. Pulp preparing, using above mentioned methods needs wood with low density, therefore, fast growing trees such as PAULOWNIA and POPLAR are being pay attention. PAULOWNIA grows faster than POPLAR, and hence produces shorter FIBERS. Comparison between PAPER STRENGTH made out of pure POPLAR and PAULOWNIA pulp showed significantly difference, because of different fiber reaction during refining. On the other hand, from PAPER STRENGTH tests were found, that POPLAR pulp longer FIBERS are refined easily and better than PAULOWNIA, then gives the paper better strength as well. During refining, POPLAR longer pulp fiber is broken to shorter fiber and caused less difference between the two pulp FIBERS. Therefore, TEARING, burst, tensile, stiffness and breaking length of paper made up from POPLAR pure pulp and POPLAR pulp with 10% added PAULOWNIA were found significant difference between them in 1% level. Opacity of paper made out of from POPLAR pulp with 10% added PAULOWNIA, is increased, meanwhile folding strength is decreased. Optimum cooking time for PAULOWNIA and POPLAR wood, in order to reach the pulp YIELD about 85%, while the cooking temperature is 160 Cº and wood to liquor ratio 1:7, are 100 and 90 minutes respectively. Regarding to the results of this study, producing CHEMEI-MECHANICAL pulp from PAULOWNIA and the possibility of adding to POPLAR CHEMEI-MECHANICAL pulp, is drawn promising horizon to meet wood demand in pulp and paper industries.

Cites

INVESTIGATINGON CMP AND NEWSPRINT FROM CANOLA STRAW

References

No record.

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APA: Copy

HOSSEINI, S.Z.A., & MASHALCHIAN, M.. (2008). THE COMPARISON OF PHYSICAL AND MECHANICAL SPECIFICITY OF PAPERS MADE OF POPLAR (POPULUS DELTOIDES), PAULOWNIA (PAULOWNIA FORTUNEI) AND THEIR MIXTURE WOOD, USING CHEMI-MECHANICAL (CMP) METHOD. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 15(2), 42-48. SID. https://sid.ir/paper/9633/en

Vancouver: Copy

HOSSEINI S.Z.A., MASHALCHIAN M.. THE COMPARISON OF PHYSICAL AND MECHANICAL SPECIFICITY OF PAPERS MADE OF POPLAR (POPULUS DELTOIDES), PAULOWNIA (PAULOWNIA FORTUNEI) AND THEIR MIXTURE WOOD, USING CHEMI-MECHANICAL (CMP) METHOD. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2008;15(2):42-48. Available from: https://sid.ir/paper/9633/en

IEEE: Copy

S.Z.A. HOSSEINI, and M. MASHALCHIAN, “THE COMPARISON OF PHYSICAL AND MECHANICAL SPECIFICITY OF PAPERS MADE OF POPLAR (POPULUS DELTOIDES), PAULOWNIA (PAULOWNIA FORTUNEI) AND THEIR MIXTURE WOOD, USING CHEMI-MECHANICAL (CMP) METHOD,” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 15, no. 2, pp. 42–48, 2008, [Online]. Available: https://sid.ir/paper/9633/en

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