一、熱敏紙的原理是什么
熱敏紙是(shi)一(yi)種(zhong)(zhong)特種(zhong)(zhong)高級紙(zhi)(zhi),其制造原理就是(shi)在優質(zhi)的(de)(de)(de)(de)原紙(zhi)(zhi)上涂(tu)布一(yi)層“熱(re)(re)敏(min)(min)涂(tu)料”(熱(re)(re)敏(min)(min)變色層),此變色層所用(yong)的(de)(de)(de)(de)化學藥品(pin)有十幾(ji)種(zhong)(zhong)。紙(zhi)(zhi)張可因(yin)受熱(re)(re)而改變顏(yan)色,熱(re)(re)敏(min)(min)紙(zhi)(zhi)被(bei)置于70℃以(yi)上環境(jing)時(shi),熱(re)(re)敏(min)(min)涂(tu)層開始(shi)變色,不(bu)需要(yao)使用(yong)墨(mo)水(shui),油墨(mo),熱(re)(re)敏(min)(min)紙(zhi)(zhi)使用(yong)于熱(re)(re)感打(da)印機(ji),且(qie)特別使用(yong)在廉(lian)價且(qie)重(zhong)量輕的(de)(de)(de)(de)設備(bei),像傳真機(ji),加(jia)(jia)算器,收銀機(ji)與(yu)信用(yong)卡終(zhong)端(duan)機(ji)等,熱(re)(re)敏(min)(min)紙(zhi)(zhi)的(de)(de)(de)(de)表面,會涂(tu)抹固態(tai)(tai)的(de)(de)(de)(de)染(ran)劑與(yu)合適的(de)(de)(de)(de)基質(zhi),像熒烷(wan)類的(de)(de)(de)(de)隱色染(ran)料以(yi)及磷酸(suan)正(zheng)十八酯,當基質(zhi)加(jia)(jia)熱(re)(re)到(dao)其溶點時(shi),染(ran)劑會與(yu)酸(suan)性物(wu)質(zhi)反應,轉換成(cheng)有色態(tai)(tai),而基質(zhi)很(hen)容易快速冷(leng)卻,染(ran)劑的(de)(de)(de)(de)有色態(tai)(tai)會直接被(bei)保存于亞穩定狀態(tai)(tai),一(yi)段時(shi)間(jian)后,顏(yan)色仍會逐(zhu)漸消退(tui),適用(yong)于不(bu)需長(chang)期保存的(de)(de)(de)(de)作用(yong)。
二、熱敏紙有哪些用途
熱敏紙的應用在傳(chuan)真機上作為文字和(he)圖(tu)形的通訊載體,即當成傳(chuan)真紙;在醫(yi)療、測計系統中作為記錄(lu)材料,如(ru)心電(dian)圖(tu)紙、熱工儀器記錄(lu)紙等;應用于因特網終端的打(da)印紙;在商(shang)業活動方面,用來制作商(shang)標、簽碼(POS)等等,其中以傳(chuan)真紙的用量占有(you)的比例最大。
當我們在大型超市選購物品時,我們會在收款機付款后的小票就是熱敏紙。行業(ye)內(nei)人士(shi)表示:熱(re)(re)敏(min)(min)收(shou)(shou)(shou)(shou)銀紙(zhi)(zhi),超(chao)市收(shou)(shou)(shou)(shou)銀紙(zhi)(zhi)。除此之外,我們(men)(men)(men)在(zai)金(jin)融(rong)機構有(you)自動柜員(yuan)機,自動柜員(yuan)機和存(cun)取款機。提款后,很多人會打印收(shou)(shou)(shou)(shou)據(ju)(ju)(ju)做為(wei)收(shou)(shou)(shou)(shou)款票(piao)據(ju)(ju)(ju)。金(jin)融(rong)機構收(shou)(shou)(shou)(shou)款收(shou)(shou)(shou)(shou)據(ju)(ju)(ju)同樣是熱(re)(re)敏(min)(min)紙(zhi)(zhi),打印出在(zai)兩面。另外,我們(men)(men)(men)在(zai)某(mou)些(xie)高檔和中(zhong)低端飯(fan)店(dian)就(jiu)餐(can)。點餐(can)時,我們(men)(men)(men)還應用(yong)熱(re)(re)敏(min)(min)紙(zhi)(zhi)。飯(fan)店(dian)扣除的收(shou)(shou)(shou)(shou)款收(shou)(shou)(shou)(shou)據(ju)(ju)(ju)收(shou)(shou)(shou)(shou)款收(shou)(shou)(shou)(shou)據(ju)(ju)(ju)同樣是熱(re)(re)敏(min)(min)紙(zhi)(zhi)。
現如今,許多醫(yi)療(liao)機(ji)(ji)構(gou)醫(yi)療(liao)機(ji)(ji)構(gou)應(ying)用(yong)越來越多的(de)(de)熱(re)敏(min)(min)紙(zhi)(zhi)。針對許多醫(yi)療(liao)機(ji)(ji)構(gou)的(de)(de)診斷報告表(biao),許多都能夠(gou)用(yong)三防熱(re)敏(min)(min)紙(zhi)(zhi)打(da)(da)印(yin)出(chu)出(chu)來,進而還可(ke)以(yi)(yi)清楚,精確地(di)看到檢查結果。也有一張小票(piao)紙(zhi)(zhi),用(yong)以(yi)(yi)醫(yi)療(liao)機(ji)(ji)構(gou)的(de)(de)全自(zi)動(dong)(dong)排隊和(he)號碼挑(tiao)選(xuan)。別(bie)的(de)(de)醫(yi)院(yuan)門診的(de)(de)排隊和(he)取號紙(zhi)(zhi)都打(da)(da)印(yin)出(chu)在(zai)熱(re)敏(min)(min)紙(zhi)(zhi)上。熱(re)敏(min)(min)紙(zhi)(zhi)可(ke)作為全自(zi)動(dong)(dong)終端設備以(yi)(yi)打(da)(da)印(yin)出(chu)憑據。除此之(zhi)外,在(zai)心電(dian)圖(tu)領域,已經(jing)應(ying)用(yong)由熱(re)敏(min)(min)紙(zhi)(zhi)制成的(de)(de)心電(dian)圖(tu)圖(tu)紙(zhi)(zhi)。心電(dian)熱(re)敏(min)(min)紙(zhi)(zhi)有著打(da)(da)印(yin)出(chu)靈敏(min)(min),打(da)(da)印(yin)出(chu)速度比較快優(you)點(dian)。