無紡布袋一般是采用絲網印刷工藝,也就是人們常說的“絲印”,這(zhe)一(yi)直(zhi)也(ye)是(shi)很(hen)多(duo)廠(chang)家(jia)比(bi)較(jiao)常(chang)用(yong)的(de)印(yin)刷(shua)工(gong)藝(yi)。但(dan)隨(sui)著(zhe)客(ke)人(ren)對(dui)產(chan)品(pin)印(yin)刷(shua)精(jing)美(mei)程(cheng)度(du)和(he)環(huan)保(bao)要(yao)求(qiu)不(bu)斷(duan)提(ti)高(gao),湧(yong)現(xian)出(chu)許(xu)多(duo)新(xin)的(de)無(wu)紡(fang)布(bu)印(yin)刷(shua)方(fang)式(shi),這(zhe)裏(li)我(wo)們(men)介(jie)紹(shao)目(mu)前(qian)市(shi)場(chang)上(shang)主(zhu)流(liu)的(de)幾(ji)種(zhong):
一、水印
因(yin)其(qi)采(cai)用(yong)水(shui)性(xing)彈(dan)膠(jiao)漿(jiang)作(zuo)為(wei)印(yin)刷(shua)介(jie)質(zhi)而(er)得(de)名(ming),在(zai)紡(fang)織(zhi)品(pin)印(yin)刷(shua)中(zhong)比(bi)較(jiao)常(chang)見(jian),也(ye)叫(jiao)印(yin)花(hua)。印(yin)刷(shua)時(shi)把(ba)色(se)漿(jiang)和(he)水(shui)性(xing)彈(dan)膠(jiao)膠(jiao)調(tiao)和(he)。洗(xi)印(yin)版(ban)時(shi)不(bu)用(yong)化(hua)學(xue)溶(rong)劑(ji),可(ke)直(zhi)接(jie)用(yong)水(shui)衝(chong)洗(xi)。其(qi)特(te)點(dian)是(shi)著(zhe)色(se)力(li)好(hao)、具強遮蓋性和牢度、耐水洗,基本上沒有異味。
二、凹版印刷
yongzhezhongfangfajiagongdechengpintongchangjiaofumowufangbudai。cigongyifenliangbu,jixiancaiyongchuantongdeaobanyinshuagongyijiangtuwenyinzhibomoshang,zaicaiyongfumogongyijiangyinyoutuandebomofuhezaiwufangbushang。yibandamianjicaisetuanyinshuadewufangbudaijuncaiyongzhezhonggongyi。qitedianshiyinshuajingmei,quanchengcaiyongjiqishengchan,shengchanzhouqiduan。lingwaichanpinjuyoujihaodefangshuixingneng,chengpindenaiyongxingyejiaoqitagongyishengchandewufangbudaihao。bomoyouliangguangheyaguangliangzhongkegongxuanze,yaguangjumoshaxiaoguo!缺點是與環保觀念有衝突,因薄膜很難降解。
三、熱轉印
熱轉印在印刷中屬於特種印刷!該(gai)方(fang)法(fa)需(xu)要(yao)中(zhong)間(jian)介(jie)質(zhi),即(ji)先(xian)將(jiang)圖(tu)文(wen)印(yin)刷(shua)至(zhi)熱(re)轉(zhuan)印(yin)膜(mo)或(huo)熱(re)轉(zhuan)印(yin)紙(zhi)上(shang),再(zai)通(tong)過(guo)轉(zhuan)印(yin)設(she)備(bei)加(jia)溫(wen)將(jiang)圖(tu)案(an)轉(zhuan)移(yi)到(dao)無(wu)紡(fang)布(bu)上(shang)。在(zai)紡(fang)織(zhi)類(lei)印(yin)刷(shua)中(zhong)常(chang)用(yong)的(de)介(jie)質(zhi)是(shi)熱(re)轉(zhuan)印(yin)膜(mo)。其(qi)優(you)點(dian)是(shi):印刷精美、有豐富的層次版、可媲美照片。適用於小麵積彩色圖像印刷。缺點是價格高昂,印刷成本高。
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