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題 名 | Application of Nanosericite to LWC Paper=奈米級絹雲母在輕量塗布紙的應用 |
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作 者 | 彭元興; 王益真; 劉明杰; 郭蘭生; | 書刊名 | 臺灣林業科學 |
卷 期 | 26:2 2011.06[民100.06] |
頁 次 | 頁151-162 |
分類號 | 476.57 |
關鍵詞 | 奈米絹雲母; 塗布紙; 乳膠; 白度; 不透明度; Nanosericite; Coated paper; Latex; Brightness; Opacity; |
語 文 | 英文(English) |
中文摘要 | 本研究目的為探討奈米級絹雲母取代乳膠在輕量塗布紙應用時,對於塗料性質及塗布紙性質的影響。塗料配方以典型輕量塗布紙(LWC)塗料為基準,奈米級絹雲母添加量分別為0、0.1、0.2、0.3、0.5、0.7、1.0對顏料百分量(g 100 g^(-1)),而乳膠添加量為11.2、11.1、11.0、10.9、10.7、10.5、10.2對顏料百分量,塗布量控制在8.5 g m^(-2),總實驗組數為10組(含2組重複實驗)。實驗結果顯示,奈米級絹雲母會降低塗料保水性、提高低剪力黏度及高剪力黏度,但塗料仍在可操作範圍。以奈米級絹雲母可以取代部份乳膠,作為輔助接著劑,不會影響塗布紙RI乾剝強度及RI濕剝強度;可以改善塗布紙不透明度及白度等光學性質,紙色從綠-黃轉為紅-藍,會提高紙張表面平滑度及降低粗糙度,但在低與高劑量添加時,則產生平滑度下降且提高粗糙度。改質後之塗布紙不會影響塗布紙印刷前之光澤度表現,但可提升印刷後之光澤度。 |
英文摘要 | The purpose of this study was to investigate the effects on coating color and coated paper when nano-scale sericite was substituted for a portion of the latex binder. The coating formulation was based on a lightweight coated (LWC) paper coating. Dosages of nanosericite were 0, 0.1, 0.2, 0.3, 0.5, 0.7, and 1.0 parts per hundred of the total color pigments. Respective latex dosages were 11.2, 11.1, 11.0, 10.9, 10.7, 10.5, and 10.2 parts per hundred of the total color pigments. The coating weight was controlled to 8.5g m^(-2) on one side. There were 10 experimental sets (including 2 sets of replications) in total. The results indicated that in terms of the coating color properties, adding nanosericite tended to reduce the water retention property and increased both the lowand high-shear viscosities; however, the color remained applicable. Substituting a portion of the latex with nanosericite as a co-binder did not affect the RI dry-and wet-peeling strengths of the coated paper, while paper opacity and brightness showed some improvements. Examination of CIE L*a*b* values of the coated paper suggested that the tint of the paper shifted from a greenish-yellow to a reddish-blue tone. The coated paper with modified color tended to have increased smoothness and decreased roughness; however, at both lower and the highest nanosericite dosages, the effects were reversed. The modification did not affect the unprinted gloss, but caused an increase in post-printing gloss levels. |
本系統中英文摘要資訊取自各篇刊載內容。