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”,zheyizhiyeshihenduochangjiabijiaochangyongdeyinshuagongyi。dansuizhekerenduichanpinyinshuajingmeichengduhehuanbaoyaoqiubuduantigao,yongxianchuxuduoxindewufangbuyinshuafangshi,zheliwomenjieshaomuqianshichangshangzhuliudejizhong:
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
用yong這zhe種zhong方fang法fa加jia工gong的de成cheng品pin通tong常chang叫jiao複fu膜mo無wu紡fang布bu袋dai。此ci工gong藝yi分fen兩liang步bu,即ji先xian采cai用yong傳chuan統tong的de凹ao版ban印yin刷shua工gong藝yi將jiang圖tu文wen印yin至zhi薄bo膜mo上shang,再zai采cai用yong覆fu膜mo工gong藝yi將jiang印yin有you圖tu案an的de薄bo膜mo複fu合he在zai無wu紡fang布bu上shang。一yi般ban大da麵mian積ji彩cai色se圖tu案an印yin刷shua的de無wu紡fang布bu袋dai均jun采cai用yong這zhe種zhong工gong藝yi。其qi特te點dian是shi印yin刷shua精jing美mei,全quan程cheng采cai用yong機ji器qi生sheng產chan,生sheng產chan周zhou期qi短duan。另ling外wai產chan品pin具ju有you極ji好hao的de防fang水shui性xing能neng,成cheng品pin的de耐nai用yong性xing也ye較jiao其qi它ta工gong藝yi生sheng產chan的de無wu紡fang布bu袋dai好hao。薄bo膜mo有you亮liang光guang和he亞ya光guang兩liang種zhong可ke供gong選xuan擇ze,亞ya光guang具ju磨mo砂sha效xiao果guo!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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