黃石瓦楞彩盒定制-瓦楞彩盒印刷如何防止糊盒開膠
發布(bu)日期(qi):2021-5-26 9:28:41 訪(fang)問次(ci)數:780
  瓦(wa)楞彩盒開(kai)膠控制的難點在(zai)于糊盒生產操作時,膠水(shui)未完全固化(hua)之前其(qi)性能難以(yi)把握,需要通過控制膠水(shui)的參數(shu)來加(jia)以(yi)穩定。另外,在(zai)膠水(shui)的來料檢驗中應該對黏(nian)度、固含量(liang)、pH值、保質期等幾(ji)個參數(shu)加(jia)以(yi)控制。膠水(shui)容(rong)易(yi)變質,儲存(cun)環境的溫度一般(ban)在(zai)5℃以(yi)下。
算是最難的(de)一道工(gong)序投(tou)資采購,但因糊盒工(gong)序必須(xu)要使(shi)用糊盒膠水等化工(gong)物料,致使(shi)該(gai)工(gong)序可變(bian)因素增多,潛在的(de)質量(liang)風險(xian)相應增大。瓦(wa)楞(leng)彩盒開膠是一種常(chang)見(jian)的(de)糊盒質量(liang)問題(ti),也是糊盒工(gong)序的(de)重(zhong)點(dian)管控(kong)項目。對(dui)于控(kong)制(zhi)瓦(wa)楞(leng)彩盒的(de)糊盒開膠,筆者有(you)一些粗淺的(de)經驗與看(kan)法(fa)印刷適(shi)性(xing),現(xian)與印刷包裝界的(de)同(tong)仁分享。
正(zheng)確選擇糊盒膠水
要(yao)控制(zhi)瓦楞彩(cai)盒(he)糊(hu)盒(he)不開膠,選用正確(que)的糊(hu)盒(he)膠水(shui)至(zhi)關(guan)重要(yao),糊(hu)盒(he)膠水(shui)一旦用錯,就會導致整批瓦楞彩(cai)盒(he)開膠。
  選用(yong)糊盒膠(jiao)(jiao)水(shui)的(de)基本原則是(shi):根據(ju)瓦楞彩盒面紙表面處理方式的(de)不(bu)同選用(yong)不(bu)同的(de)膠(jiao)(jiao)水(shui)。
如(ru)(ru)(ru)果瓦楞彩盒(he)(he)的(de)黏(nian)口位是(shi)普通(tong)紙(zhi)(zhi)面(mian)(mian)(mian)與普通(tong)紙(zhi)(zhi)面(mian)(mian)(mian)相黏(nian)結(jie),糊盒(he)(he)時選用(yong)(yong)普通(tong)白乳膠(jiao)即可;如(ru)(ru)(ru)果是(shi)紙(zhi)(zhi)面(mian)(mian)(mian)與膜(mo)面(mian)(mian)(mian)(包(bao)括光(guang)膜(mo)與啞膜(mo))相黏(nian)結(jie)標簽,糊盒(he)(he)時需要選用(yong)(yong)紙(zhi)(zhi)塑膠(jiao)水(shui)(shui)(shui),而且還要隨著膜(mo)面(mian)(mian)(mian)材料的(de)不(bu)同(tong)(tong)而選擇(ze)不(bu)同(tong)(tong)的(de)紙(zhi)(zhi)塑膠(jiao)水(shui)(shui)(shui),例(li)如(ru)(ru)(ru)PET或OPP膜(mo)面(mian)(mian)(mian)在糊盒(he)(he)時就應分別選用(yong)(yong)不(bu)同(tong)(tong)的(de)紙(zhi)(zhi)塑膠(jiao)水(shui)(shui)(shui);如(ru)(ru)(ru)果是(shi)紙(zhi)(zhi)面(mian)(mian)(mian)與UV光(guang)油表(biao)(biao)面(mian)(mian)(mian)相黏(nian)結(jie),糊盒(he)(he)時需要選用(yong)(yong)UV膠(jiao)水(shui)(shui)(shui);如(ru)(ru)(ru)果是(shi)紙(zhi)(zhi)面(mian)(mian)(mian)與磨(mo)光(guang)表(biao)(biao)面(mian)(mian)(mian)相黏(nian)結(jie),糊盒(he)(he)時需要選用(yong)(yong)磨(mo)光(guang)膠(jiao)水(shui)(shui)(shui)。
掃描(miao)形式:手工糊(hu)盒(he)或糊(hu)盒(he)速度(du)慢科印(yin)精品調研(yan),應選用(yong)開放(fang)時(shi)間(從膠(jiao)(jiao)水與黏結物(wu)接觸到黏結物(wu)不能(neng)再隨(sui)意(yi)移動的這段時(shi)間)長(chang)的膠(jiao)(jiao)水;全自動糊(hu)盒(he)或糊(hu)盒(he)速度(du)快,應選用(yong)開放(fang)時(shi)間短的膠(jiao)(jiao)水。
選用糊盒膠(jiao)(jiao)水(shui)(shui)(shui)(shui)時(shi)還(huan)必(bi)須考慮糊盒車間(jian)的(de)(de)工(gong)作環境。冬(dong)季(ji)用的(de)(de)膠(jiao)(jiao)水(shui)(shui)(shui)(shui)與(yu)夏季(ji)用的(de)(de)膠(jiao)(jiao)水(shui)(shui)(shui)(shui),在配比上是要(yao)有區別的(de)(de),因為同一品牌、同一批次的(de)(de)膠(jiao)(jiao)水(shui)(shui)(shui)(shui),在不同的(de)(de)環境溫度(du)(du)下數碼(ma)印刷,其黏(nian)(nian)度(du)(du)也是不同的(de)(de),環境溫度(du)(du)越(yue)(yue)低,膠(jiao)(jiao)水(shui)(shui)(shui)(shui)黏(nian)(nian)度(du)(du)越(yue)(yue)高。不管(guan)是冬(dong)季(ji)還(huan)是夏季(ji),糊盒生產過(guo)程(cheng)中均要(yao)求膠(jiao)(jiao)水(shui)(shui)(shui)(shui)達到(dao)(dao)最便于生產操作的(de)(de)黏(nian)(nian)度(du)(du)。由于冬(dong)季(ji)氣溫低,膠(jiao)(jiao)水(shui)(shui)(shui)(shui)黏(nian)(nian)度(du)(du)較高艾(ai)司科(ke),瓦楞(leng)彩盒生產廠家如(ru)果添(tian)加稀釋劑來調(diao)整膠(jiao)(jiao)水(shui)(shui)(shui)(shui)的(de)(de)黏(nian)(nian)度(du)(du),膠(jiao)(jiao)水(shui)(shui)(shui)(shui)的(de)(de)黏(nian)(nian)合力(li)就會(hui)受到(dao)(dao)一定的(de)(de)影(ying)響。
因此,在較低(di)的(de)(de)(de)環(huan)(huan)境(jing)溫(wen)度下(xia)使(shi)用(yong)(yong)的(de)(de)(de)膠(jiao)(jiao)水(shui)(shui),要(yao)保持(chi)膠(jiao)(jiao)水(shui)(shui)的(de)(de)(de)黏合力和膠(jiao)(jiao)水(shui)(shui)正常(chang)的(de)(de)(de)反應機(ji)理,就(jiu)需(xu)要(yao)對(dui)膠(jiao)(jiao)水(shui)(shui)的(de)(de)(de)配方(fang)做出相(xiang)應的(de)(de)(de)調(diao)整北人集團,這也就(jiu)是許(xu)多(duo)在南方(fang)使(shi)用(yong)(yong)很成熟的(de)(de)(de)膠(jiao)(jiao)水(shui)(shui),在北方(fang)不(bu)能直接(jie)使(shi)用(yong)(yong)的(de)(de)(de)原因所(suo)在。另外(wai),還要(yao)考慮(lv)瓦楞彩(cai)盒(he)的(de)(de)(de)使(shi)用(yong)(yong)環(huan)(huan)境(jing),如(ru)果糊盒(he)后(hou)的(de)(de)(de)瓦楞彩(cai)盒(he)需(xu)要(yao)發往(wang)高(gao)(gao)溫(wen)環(huan)(huan)境(jing)中使(shi)用(yong)(yong),需(xu)要(yao)選用(yong)(yong)耐高(gao)(gao)溫(wen)的(de)(de)(de)糊盒(he)膠(jiao)(jiao)水(shui)(shui);如(ru)果糊盒(he)后(hou)的(de)(de)(de)瓦楞彩(cai)盒(he)需(xu)要(yao)發往(wang)低(di)溫(wen)環(huan)(huan)境(jing)中使(shi)用(yong)(yong)包裝設(she)計,則需(xu)要(yao)選用(yong)(yong)耐低(di)溫(wen)的(de)(de)(de)糊盒(he)膠(jiao)(jiao)水(shui)(shui)。
上光的性能(neng):如(ru)果全(quan)自動(dong)糊盒機(ji)是帶噴(pen)槍(qiang)式的,一定要選用相應(ying)的噴(pen)膠。同(tong)時,還(huan)要考慮噴(pen)槍(qiang)控制系統(tong)(tong)的性能(neng),如(ru)果噴(pen)槍(qiang)控制系統(tong)(tong)是熱(re)(re)熔方式的,就必須(xu)選用熱(re)(re)熔噴(pen)膠;如(ru)果噴(pen)槍(qiang)控制系統(tong)(tong)是不用加熱(re)(re)的數碼(ma)印刷在中國,就必須(xu)選用冷噴(pen)膠。
以上是(shi)防(fang)止瓦(wa)楞彩盒開膠在選用膠水時應注(zhu)意的事項,當(dang)然選用糊(hu)盒膠水時也(ye)要考(kao)慮是(shi)否(fou)環(huan)保(bao)、是(shi)否(fou)屬于食品級、是(shi)否(fou)防(fang)霉(mei)等要求,在此不(bu)作(zuo)詳述。