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035 _a.b12195947
099 9 _aAIT Thesis no.PP-11-02
100 0 _aBunyarat Phiphatsirikajorn
245 1 0 _aPossibilities for partial replacement of wood fiber in kraft liner with non-wood
260 _aPathum Thani, Thailand :
_bAsian Institute of Technology,
_c2011
300 _a77 leaves :
_bill.
490 1 _aThesis ;
_vno. PP-11-02
500 _aA thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Pulp and Paper Technology
502 _aThesis (M. Sc.) - Asian Institute of Technology, 2011
520 _aIn this study, Bagasse and Bamboo pulp were used as raw material to substitute wood pulp in top-ply linerboard. The effect of refining revolutions on freeness of pulp was studied to find the optimum refining point. Moreover to study the effect on printing quality, internal sizing was required. The surface properties, strength properties and print quality were main topics for investigation. For non-wood pulp, the refining energy which was used to receive the suitable freeness to form the sheets was more than twice lower than for wood pulp. One of refining side-effect is fines generation. Non-wood especially bamboo creates significant amount of fines. Alum and rosin were used to be internal sizing chemical to improve water resistance of top-ply linerboard. Adding Bamboo pulp resulted in less effective internal sizing, high Cobb value but adding Bagasse pulp gave more effective internal sizing than Bamboo pulp and the Cobb value was the same as for the wood pulp. At high degree of replacement, using non-wood pulp to substitute wood pulp raw material in top-ply linerboard resulted in surface properties improvement, strength improvement (except tear resistance and bending resistance) and in good printing quality (high ink density and good ink rub resistance). However, one of printing quality parameters which is ink gloss has not shown good result when using bamboo pulp.
650 0 _aBamboo-pulp industry
650 0 _aKraft pulping process
700 1 _aNazhad, Mousa M.
_eChairperson
700 1 _aBasta, Jiri
_eExamination Committee
700 1 _aLehtinen, Esa
_eExamination Committee
710 2 _aRTG-Fellowship
_eScholarship donor
810 2 _aAsian Institute of Technology.
_tThesis ;
_vno. PP-11-02
856 _3Full-Text
_uhttp://203.159.5.9/ait-thesis/detail.php?q=B05829
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_tClick to view Abstract
_vn
945 _lmnait
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