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
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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