【摘要】：BOPP薄膜,全稱是雙向拉伸聚烯薄膜,聚烯樹脂通過擠出流延縱橫拉伸熱定型等過程制造而得表面能很,一般于30達(dá)因(dyn),當(dāng)300g/m2 BOPP膜卡紙和300 g/m2卡紙粘合,常用的純水性粘合劑很難達(dá)到粘接破紙效果而目前面的表面能BOPP膜用封口膠,均含苯或苯等機(jī)溶劑,對(duì)人體健康和境較大的害所以,開發(fā)粘接效果好用于表面能BOPP膜的水性保封口膠(簡(jiǎn)記水性膠)廣闊的場(chǎng)前景本論文探討了水性保封口膠原料對(duì)表面能BOPP膜粘接性能的影響,通過調(diào)節(jié)原料添比例,來改善水性膠對(duì)表面能BOPP膜的粘接效果要從以四個(gè)方面對(duì)水性膠進(jìn)行改進(jìn)研究(1)篩選玻璃化轉(zhuǎn)溫度Tg對(duì)表面能BOPP膜優(yōu)良附著力的聚烯酸酯乳液(2)比較類型增粘樹脂乳液對(duì)表面能BOPP膜的增粘效果,選擇最合的增粘樹脂乳液(3)添能降水性膠極性,增強(qiáng)粘接效果的能乳液—天然膠乳(4)篩選的潤濕助劑,提升水性膠對(duì)表面能BOPP膜的潤濕能力通過研究水性膠樣品的度p H值老化穩(wěn)定性等,確定水性膠體系的儲(chǔ)存穩(wěn)定性通過水性膠拉伸強(qiáng)度持粘力和粘接情況的對(duì)比研究,確定水性膠對(duì)表面能BOPP膜卡紙和卡紙的粘接效果通過述對(duì)比研究,水性保封口膠的最佳配方55 wt%聚烯酸酯乳液(Tg-30°C),30 wt%松香萜烯樹脂乳液和15 wt%能乳液以及少潤濕劑面的溶劑型封口膠相比,該水性膠無毒保,儲(chǔ)存穩(wěn)定性和粘接效果完全能達(dá)到場(chǎng)客戶的要求
[Abstract]:BOPP film, full name is biaxially stretched polyene film, polyene resin is produced by extrusion flow stretching heat setting process and so on, the surface energy is very high, generally 30 dyne (dyn), when 300g/m2 BOPP film paper and 300 g/m2 card paper bonding, The commonly used pure water-based binder is difficult to achieve the effect of adhesive breaking paper. At present, the surface energy of BOPP film used for sealing adhesive contains benzene or benzene and other machine solvents, which is harmful to human health and environment. The wide Field Prospect of Waterborne Sealant (Waterborne adhesive) used for Surface Energy BOPP Film in this paper, the influence of waterborne sealing adhesive raw material on the adhesion performance of surface energy BOPP film is discussed. By adjusting the proportion of raw material, In order to improve the adhesion effect of water-borne adhesive to surface energy BOPP film, we should improve the adhesion of water-borne adhesive from four aspects. (1) the glass transition temperature (Tg) is selected to improve the adhesion of surface energy BOPP film. (2) the type of tackifying tree is compared. The viscosity enhancement effect of lipid emulsion on surface energy BOPP membrane. Select the most suitable tackifying resin emulsion (3) to reduce the polarity of water soluble adhesive and enhance the bonding effect of the energy emulsion-natural latex (4) to select the wetting agent, To improve the wettability of waterborne adhesive to surface energy BOPP film the storage stability of water-borne adhesive system was determined by comparing the tensile strength and adhesion of water-borne adhesive by studying the degree pH value aging stability of water-borne adhesive. To determine the adhesive effect of waterborne adhesive on the surface energy BOPP film paper and paper card through the comparative study, The optimum formula of waterborne sealing adhesive is 55 wt% polyolenic acid ester emulsion (Tg-30 擄C) 30 wt% rosin terpene resin emulsion, 15 wt% energy emulsion and solvent type sealant with less wetting agent surface. Storage stability and bonding effect can meet the requirements of field customers
【學(xué)位授予單位】：華南理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TB383.2

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本文編號(hào)：2219200