
江蘇(su)宇宏紡織品印(yin)花有限公司
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燙金基本工藝是在壓(ya)(ya)(ya)力(li)狀態(tai),即電(dian)化(hua)(hua)鋁被燙印版、承印物壓(ya)(ya)(ya)住的(de)狀態(tai)下,電(dian)化(hua)(hua)鋁受熱(re)使其(qi)上熱(re)熔(rong)(rong)性(xing)的(de)有(you)機硅樹(shu)(shu)脂層和膠(jiao)牯劑熔(rong)(rong)化(hua)(hua),此時(shi)受熱(re)熔(rong)(rong)化(hua)(hua)的(de)有(you)機硅樹(shu)(shu)脂粘(zhan)性(xing)變小,而特種(zhong)熱(re)敏膠(jiao)粘(zhan)劑受熱(re)熔(rong)(rong)化(hua)(hua)后(hou)粘(zhan)性(xing)增加,使得鋁層與電(dian)化(hua)(hua)鋁基膜剝離的(de)同時(shi)轉印到(dao)了承印物上。隨著壓(ya)(ya)(ya)力(li)的(de)卸除(chu),膠(jiao)粘(zhan)劑迅速(su)冷卻固化(hua)(hua),鋁層牢固地附(fu)著在承印物上,完成一個燙印過(guo)程。