Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/65662
標題: 手工紙原料分析與製漿性之比較
Analyses of Different Raw Materials for Handmade Papers and Comparison of Their Pulping Properties
作者: 林明寬
Lin, Ming-Kuan
關鍵字: Handmade paper;手工紙;aper Mulberry;Gampi;Paper Birch;Wingeeltis;Kappa number;構樹;雁皮;三椏;青檀;卡巴值
出版社: 森林學系
摘要: 
造紙術是中國人偉大的發明,對人類文明之促進有重大貢獻。時至今
日,大部分的紙張雖由機械所抄製,但由於手工紙精純、耐久性優良及多
樣性的特質,為一般機製紙所無法取代,手工紙之研究與發展自有其存在
空間。本實驗即是以各種現今常用之手工紙原料來進行其物理化學組成之
分析,並進而製漿漂白以比較相互間之差異。實驗結果如下:1.各樹皮之
纖維長寬比都大於150,高於一般木材纖維,且木質素含量低,具備優良
紙張之條件。各類樹皮間之化學組成之差異都很大,同類間之差異較小
。2.構樹類之全纖維素含量較高故其蒸煮後收率亦較高,雁皮及三椏類
之1%NaOH之抽出物高故較易解纖。由灰分EDS之測定得知樹皮灰分中之金
屬元素以Ca含量最多,K次之;但泰國構樹皮及大陸三椏則以K之含量高於
Ca;此外亦含有少量之Mg、P、S、Si等元素。3.菲律賓雁皮以密閉式加AQ
之蒸煮才能使其卡巴值降至適合漂白之程度。日本雁皮之紙力除撕力外為
全體中最高。日本構樹因其樹皮已經精細前處理,故其卡巴值相當低且收
率及白度很高。4.紙漿於漂白後之紙力大都有降低之情形發生,而紙力之
降低以用藥量高者下降較多。本次實驗發現此二種不同次氯酸鈉用藥量之
漂白作業對降低卡巴值及提高白度並無明顯差異。5.紙漿之劣化回色程度
以青檀日光漂白者最小,而以菲律賓雁皮之開放式蒸煮者之回色最嚴重。
菲律賓雁皮若改採高溫密閉式加AQ蒸煮漂白者之劣化回色程度即可大幅降
低。

The art of papermaking is one of the great inventions in
ancient China.Paper as a medium for carrying creative
ingenuities of mankind, hascontributed tremendously to the
progress of human civilization. Nowadays, mostpapers are made by
machine in massive quantities and therefore handmade papersseem
on the verge of extinction. However there is still a fine
potential forus to have research and development of handmade
paper due to its pure anddelicate nature, excellent permanence,
and great versatility. I addition,handmade paper has lots of
attributes that are irreplaceable with machine-madepapers. The
purpose of this study intends to analyze the fiber dimension
andchemical composition of different raw materials for handmade
paper, and thento compare their differences in pulping and
bleaching properties. Theexperimental results were summarized as
follows:1.Length/width ratios of various bast fibers have higher
value (>150) andlower lignin content than those of wood fibers.
These fibers are suitable forfine paper manufacturing.The
differences in chemical compositions of samespecies are small,
and a noticeable differences exist for various species.2.For the
High holocellulose content in Paper Mulberry resulted in a
higherpulp yield is obtained. It is easy to fiberize for the
high 1%NaOHextractives-containing Gampi and Paper Birch. From
the results of EDSanalysis, higher calcium content in barks'
ashes, and then potassium werefound; but the potassium content
is higher than calcium for Paper Mulberryfrom Thailand and the
Paper Birch from China. In addition, small amount of Mg,P, S,
and Si elements are found in barks'ashes as well.3.Soda-AQ
pulping of the Gampi from Philippine in a closed digester may
reducethe Kappa No. of unbleached pulp to a bleachable degree.
Except tear, theGampi from Japan has the highest strengths as
compared to other species. Athoroughly pretreatment of the Paper
Mulberry from Japan has a very low KappaNo., high yield and
brightness.4.Generally speaking, the reduction in paper
strengths are found afterbleaching for all varieties of pulps.
The higher dosage of bleaching agents inbleaching stages results
in lower strengths. However, there are no significantdifferences
for the reduction of Kappa No. and the increase in brightness
uponbleaching the pulps by 5% and 10% NaOCl levels.5.Upon the
accelerated aging, the Philippine,s Gampi pulp with open
digesterhas greater tendency of color reversion as compared with
others. In addition,under sunlight exposure bleached Wingeeltis
pulp has the least tendency ofcolor reversion. Bleached soda-AQ
Philippine,s Gampi pulp with closeddigester pulping may reduce
the tendency of color reversion.
URI: http://hdl.handle.net/11455/65662
Appears in Collections:森林學系

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