
江蘇宇宏紡織品印花(hua)有限(xian)公司(si)
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燙金(jin)基本工藝是在(zai)(zai)壓(ya)力狀態,即電化(hua)鋁(lv)被(bei)燙印版、承(cheng)印物(wu)壓(ya)住的狀態下,電化(hua)鋁(lv)受(shou)熱使其上熱熔(rong)(rong)(rong)性(xing)(xing)的有(you)機(ji)硅樹(shu)脂層和膠牯劑熔(rong)(rong)(rong)化(hua),此時受(shou)熱熔(rong)(rong)(rong)化(hua)的有(you)機(ji)硅樹(shu)脂粘(zhan)性(xing)(xing)變小,而特種熱敏膠粘(zhan)劑受(shou)熱熔(rong)(rong)(rong)化(hua)后粘(zhan)性(xing)(xing)增加,使得(de)鋁(lv)層與電化(hua)鋁(lv)基膜剝(bo)離(li)的同時轉印到(dao)了(le)承(cheng)印物(wu)上。隨著(zhu)壓(ya)力的卸除,膠粘(zhan)劑迅速(su)冷卻(que)固(gu)化(hua),鋁(lv)層牢(lao)固(gu)地附著(zhu)在(zai)(zai)承(cheng)印物(wu)上,完(wan)成一個燙印過程。