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。
|