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鋁箔袋出現氣泡的六大因素

2020-06-18 00:00:41

相信大家平時用鋁箔袋時候都會遇到鋁箔袋表面的白點和氣泡,那這種情況是怎么出現的呢?實際上白點和氣泡是鋁箔袋制作技術中常見的問題。諾世德小編認為白點是具有特殊形狀的氣泡。

鋁箔袋廠家根據氣泡的時間和形狀,我們可以將氣泡分為六類:

1、下機時有、熟化后不可消除的氣泡;

2、下機時有、熟化后可消除或難以消除的氣泡;

3、下機時無、熟化后顯現的氣泡;

4、下機時無、短時高溫熟化后顯現的氣泡;

5、高溫熱合處理后顯現的氣泡;

6、高溫熱處理后出現的氣泡。

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而鋁箔袋(dai)六大類氣泡(pao)下面又(you)還有(you)不同(tong)之(zhi)分(fen):1、下機(ji)時(shi)有(you)、熟化(hua)(hua)后(hou)不可(ke)(ke)消(xiao)除(chu)的(de)氣泡(pao)可(ke)(ke)分(fen)為:基(ji)材(cai)微觀平整(zheng)度相(xiang)(xiang)(xiang)(xiang)關(guan)型(xing)(xing)(xing)(xing)(xing)(xing)(xing),外(wai)來(lai)雜質(zhi)型(xing)(xing)(xing)(xing)(xing)(xing)(xing),反(fan)粘油(you)墨型(xing)(xing)(xing)(xing)(xing)(xing)(xing),復合(he)輥(gun)臟污型(xing)(xing)(xing)(xing)(xing)(xing)(xing),空(kong)刀線型(xing)(xing)(xing)(xing)(xing)(xing)(xing),涂膠輥(gun)臟污型(xing)(xing)(xing)(xing)(xing)(xing)(xing)2、下機(ji)時(shi)有(you)、熟化(hua)(hua)后(hou)可(ke)(ke)消(xiao)除(chu)或難以消(xiao)除(chu)的(de)氣泡(pao)可(ke)(ke)分(fen)為:無規(gui)則形(xing)(xing)狀(zhuang)形(xing)(xing),涂膠輥(gun)相(xiang)(xiang)(xiang)(xiang)關(guan)型(xing)(xing)(xing)(xing)(xing)(xing)(xing),印(yin)版相(xiang)(xiang)(xiang)(xiang)關(guan)型(xing)(xing)(xing)(xing)(xing)(xing)(xing),印(yin)品微觀狀(zhuang)態相(xiang)(xiang)(xiang)(xiang)關(guan)型(xing)(xing)(xing)(xing)(xing)(xing)(xing),潤濕結果相(xiang)(xiang)(xiang)(xiang)關(guan)型(xing)(xing)(xing)(xing)(xing)(xing)(xing),實(shi)地印(yin)刷(shua)圖案(an)相(xiang)(xiang)(xiang)(xiang)關(guan)型(xing)(xing)(xing)(xing)(xing)(xing)(xing)3、“下機(ji)時(shi)無、熟化(hua)(hua)后(hou)顯(xian)現”的(de)氣泡(pao)可(ke)(ke)分(fen)為:收卷硬度不足型(xing)(xing)(xing)(xing)(xing)(xing)(xing),基(ji)材(cai)受(shou)潮(chao)型(xing)(xing)(xing)(xing)(xing)(xing)(xing),墨層(ceng)含水型(xing)(xing)(xing)(xing)(xing)(xing)(xing)4、下機(ji)時(shi)無、短時(shi)高溫熟化(hua)(hua)后(hou)顯(xian)現的(de)氣泡(pao)可(ke)(ke)分(fen)為:前述的(de)15種(zhong)5、高溫熱合(he)處理后(hou)顯(xian)現的(de)氣泡(pao)可(ke)(ke)分(fen)為:遺傳(chuan)型(xing)(xing)(xing)(xing)(xing)(xing)(xing),殘留(liu)溶劑(ji)型(xing)(xing)(xing)(xing)(xing)(xing)(xing),異型(xing)(xing)(xing)(xing)(xing)(xing)(xing)燙刀型(xing)(xing)(xing)(xing)(xing)(xing)(xing)紙塑制品型(xing)(xing)(xing)(xing)(xing)(xing)(xing)6、高溫熱處理后(hou)顯(xian)現的(de)氣泡(pao)可(ke)(ke)分(fen)為:可(ke)(ke)氣化(hua)(hua)物質(zhi)型(xing)(xing)(xing)(xing)(xing)(xing)(xing),微氣泡(pao)型(xing)(xing)(xing)(xing)(xing)(xing)(xing),殘留(liu)溶劑(ji)型(xing)(xing)(xing)(xing)(xing)(xing)(xing)

氣(qi)泡(pao)(pao)的(de)(de)種(zhong)類(lei)(lei)如此之(zhi)多,因(yin)此企(qi)業必須配備相應的(de)(de)檢查工具(筆筒式(shi)(shi)(shi)放大鏡、便(bian)攜(xie)式(shi)(shi)(shi)手提放大鏡、臺式(shi)(shi)(shi)顯微鏡等),以便(bian)在(zai)發(fa)生(sheng)氣(qi)泡(pao)(pao)時,快速分辨氣(qi)泡(pao)(pao)的(de)(de)類(lei)(lei)型(xing),從(cong)(cong)而找到原(yuan)因(yin),解決問題。這(zhe)種(zhong)鋁箔袋氣(qi)泡(pao)(pao)屬于下(xia)降機時,在(zai)成(cheng)熟后不(bu)能消除氣(qi)泡(pao)(pao)中,"基材(cai)微觀關聯型(xing)"經常以PET/AL/CPE、PET/Al/PET/CPE、OPP/VMPET/CPE等構成(cheng)發(fa)生(sheng).氣(qi)泡(pao)(pao)產生(sheng)的(de)(de)原(yuan)因(yin):基材(cai):本身微觀平整度不(bu)好(hao);設(she)備:溶劑型(xing)干(gan)復時,首先基材(cai)從(cong)(cong)烘箱出來,和復合(he)(he)輥(gun)接觸(chu)。復合(he)(he)輥(gun)的(de)(de)搭配有兩(liang)種(zhong)方(fang)式(shi)(shi)(shi):鋼輥(gun)在(zai)上,膠輥(gun)在(zai)下(xia);另一種(zhong)是鋼輥(gun)在(zai)下(xia),膠輥(gun)在(zai)上。膠輥(gun)在(zai)上、鋼輥(gun)在(zai)下(xia)的(de)(de)搭配方(fang)式(shi)(shi)(shi),容易造成(cheng)這(zhe)類(lei)(lei)氣(qi)泡(pao)(pao)。

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