臺灣博碩士論文加值系統

水性油墨是以水取代傳統揮發性有機溶劑為主要原料，也是目前美國食品和藥物協會唯一認可的無毒油墨，主要用於食品、藥品等，嚴格標準的包裝印刷。而樹脂乳液作為水性印刷油墨的重要成分，直接影響油墨的性能，本研究使用3種丙烯酸樹脂乳液及4種醇類添加劑改善水性印刷油墨的性能，樹脂乳液均屬丙烯酸樹脂乳液，3種樹脂乳液有不同的玻璃轉換溫度(Tg)及黏度，混合不同種類樹脂乳液及比例，改變醇類添加劑，製成水性油墨，透過測量油墨的附著性、黏度及表面張力，分析3種樹脂乳液及4種醇類添加劑對水性油墨應用在拉伸聚丙烯薄膜(OPP)上的影響，期望能透過實驗得到符合印刷要求標準的水性油墨及提供印刷產業合成水墨參考，實驗結果樹脂乳液A有最佳的附著性但黏度及表面張力需添加樹脂乳液B或C調整，丙醇可有效降低表面張力但會使黏度增加，丙二醇(PG)可有效提升附著性及降低表面張力，丙三醇(甘油)會使附著性降低，聚乙烯(PVA)可有效提升附著性但超過3 %時會有結塊現象，較佳混和比例為A樹脂乳液40 %、C樹脂乳液60 %、PG3 %，可得到附著性98%、表面張力42.38mN/m、黏度9.36 s；樹脂乳液A80 %、樹脂乳液B20 %、丙醇3 %，可得到附著性99.30 %，黏度9.11 s，表面張力41.72 mN/m。
關鍵字：水性油墨、丙烯酸樹脂乳液、附著性、黏度、表面張力。

Water-based ink is the main raw material used to replace traditional volatile organic solvents; it is also the only non-toxic ink approved by the U.S. Food and Drug Administration. It is mainly used in food and medicine, and is packaged and printed under strict conditions. As an important component of water-based printing inks, resin emulsions directly affect the performance of the inks. In this study, three kinds of acrylic resin emulsion and four kinds of alcohol additive were used to improve the performance of printing inks. The resin emulsions were all acrylic resin emulsions, and they had different glass transition temperatures (Tg) and viscosities. Different kinds of resin emulsion were mixed in varying proportions with different alcohol additives to make water-based inks, and the adhesion, viscosity and surface tension of the inks were measured. To examine the effects of water-based inks on stretched polypropylene film (OPP), water-based inks meeting the printing requirements were prepared through experiments, and reference inks from the printing industry were also obtained. The experimental results showed that resin emulsion A had the best adhesion. The viscosity and surface tension were adjusted by adding resin emulsion B or C. 1-propanol effectively reduced the surface tension, but increased the viscosity, while propylene glycol effectively improved adhesion and reduced the surface tension. Glycerin reduced adhesion, and polyethylene (PVA) effectively improved adhesion, but agglomeration occurred when the content exceeded 3 %. The optimum mixing ratio was 40 % of resin emulsion A, 60 % of resin emulsion C, and 3 % PG, which resulted in an adhesion of 98 %, a viscosity of 9.36 s, and a surface tension of 42.38 mN/m. In comparison, 80 % of resin emulsion A, 20 % of resin emulsion B, and 3 % propanol resulted in an adhesion of 99.30 %, a viscosity of 9.11 s, and a surface tension of 41.72 mN/m.
Key words: Water-based ink, acrylic resin emulsion, adhesion, viscosity, surface tension

誌謝
摘要
Abstract
目錄
表目錄
圖目錄
1.緒論
1.1前言
1.2研究動機及目的
1.3研究方法
2.文獻回顧與整理
2.1油墨簡介與組成
2.1.1傳統溶劑油墨
2.1.2環保型油墨
2.1.3各種環保油墨的比較
2.2印刷性能檢測及樹脂乳液
2.2.1黏度
2.2.2表面張力
2.2.3附著性
2.2.4樹脂乳液
2.3柔版印刷
2.3.1柔版印刷定義
2.3.2柔版印刷原理
2.4接著相關理論
2.4.1接著相關鍵結的種類
2.4.2分子間的作用力
2.4.3接著理論的概要
2.4.4剝離形態的介紹
3.實驗
3.1實驗材料
3.2實驗儀器與分析軟體
3.3實驗步驟
3.3.1水性油墨的製備
3.3.2水性油墨塗佈
3.3.3性能檢測與分析
3.3.3.1附著性檢測
3.3.3.2黏度檢測
3.3.3.3表面張力檢測
4.結果與討論
4.1樹脂乳液與水性油墨
4.2水性油墨-AC樹脂乳液
4.3水性油墨-AB樹脂乳液
4.3水性油墨-BC樹脂乳液
4.4綜合比較(AC、AB樹脂乳液)
4.4添加劑
4.4.1水性油墨-ACP
4.4.2水性油墨-ACPG
4.4.3水性油墨-ACG
4.4.4水性油墨-ACPVA
4.4.5綜合比較6號水性油墨-添加劑
4.4.6水性油墨-ABP
4.4.7水性油墨-ABPG
4.4.8水性油墨-ABG
4.4.9水性油墨-ABPVA
4.4.10綜合比較8號水性油墨-添加劑
5.結論
參考文獻
自傳

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