PCB無(wu)(wu)(wu)(wu)硫(liu)(liu)(liu)(liu)(liu)(liu)紙(zhi)(zhi)是一種專為印(yin)刷電(dian)路板（PCB）制造和存(cun)儲(chu)設計(ji)的(de)(de)(de)功(gong)能性(xing)(xing)(xing)包(bao)裝(zhuang)材(cai)料(liao)，玻璃防(fang)(fang)霉紙(zhi)(zhi)，其(qi)特性(xing)(xing)(xing)在(zai)于(yu)(yu)不含(han)硫(liu)(liu)(liu)(liu)(liu)(liu)化(hua)(hua)物或(huo)硫(liu)(liu)(liu)(liu)(liu)(liu)元(yuan)素(su)殘留。隨著(zhu)電(dian)子產(chan)品向(xiang)(xiang)高(gao)(gao)密(mi)度、微型化(hua)(hua)方(fang)向(xiang)(xiang)發(fa)(fa)展，PCB對(dui)生(sheng)產(chan)環(huan)境(jing)和存(cun)儲(chu)條件(jian)的(de)(de)(de)要(yao)求日益嚴(yan)苛，無(wu)(wu)(wu)(wu)硫(liu)(liu)(liu)(liu)(liu)(liu)紙(zhi)(zhi)的(de)(de)(de)應(ying)(ying)用(yong)(yong)價值愈發(fa)(fa)凸顯。###特性(xing)(xing)(xing)與(yu)優勢1.**防(fang)(fang)硫(liu)(liu)(liu)(liu)(liu)(liu)污(wu)染保障可(ke)靠性(xing)(xing)(xing)**傳(chuan)統紙(zhi)(zhi)張中(zhong)的(de)(de)(de)硫(liu)(liu)(liu)(liu)(liu)(liu)元(yuan)素(su)在(zai)高(gao)(gao)溫高(gao)(gao)濕環(huan)境(jing)下易與(yu)銅(tong)箔發(fa)(fa)生(sheng)化(hua)(hua)學反(fan)應(ying)(ying)，生(sheng)成(cheng)(cheng)硫(liu)(liu)(liu)(liu)(liu)(liu)化(hua)(hua)亞銅(tong)導(dao)致線路氧(yang)化(hua)(hua)腐(fu)蝕(shi)。無(wu)(wu)(wu)(wu)硫(liu)(liu)(liu)(liu)(liu)(liu)紙(zhi)(zhi)通過(guo)嚴(yan)格的(de)(de)(de)脫硫(liu)(liu)(liu)(liu)(liu)(liu)工(gong)(gong)藝處理(li)（硫(liu)(liu)(liu)(liu)(liu)(liu)含(han)量≤0.001%），從(cong)根本上了硫(liu)(liu)(liu)(liu)(liu)(liu)化(hua)(hua)物遷移風險，尤(you)其(qi)適用(yong)(yong)于(yu)(yu)金手(shou)指、BGA封裝(zhuang)等精(jing)密(mi)部(bu)位的(de)(de)(de)防(fang)(fang)護(hu)，可(ke)將PCB存(cun)儲(chu)壽命(ming)延長(chang)(chang)2-3倍。2.**物理(li)性(xing)(xing)(xing)能優化(hua)(hua)**采用(yong)(yong)高(gao)(gao)純度木漿(jiang)與(yu)特殊(shu)涂層(ceng)(ceng)工(gong)(gong)藝，具備150-200℃的(de)(de)(de)耐溫性(xing)(xing)(xing)能，能承受(shou)PCB熱(re)壓(ya)合(he)(he)工(gong)(gong)序的(de)(de)(de)環(huan)境(jing)。抗拉強度達60-80N/cm2，顯著(zhu)優于(yu)(yu)普通牛皮紙(zhi)(zhi)，多層(ceng)(ceng)堆疊時有效(xiao)防(fang)(fang)止(zhi)壓(ya)痕產(chan)生(sheng)。0.05-0.1mm的(de)(de)(de)厚度控制平衡了緩沖性(xing)(xing)(xing)與(yu)空(kong)間利用(yong)(yong)率(lv)。3.**靜(jing)電(dian)防(fang)(fang)護(hu)升(sheng)級(ji)**表面電(dian)阻率(lv)控制在(zai)10^6-10^9Ω范圍，通過(guo)碳纖維導(dao)電(dian)層(ceng)(ceng)實現靜(jing)電(dian)消散（ESD），避免(mian)電(dian)子元(yuan)件(jian)因(yin)靜(jing)電(dian)累(lei)積受(shou)損。相較于(yu)(yu)普通防(fang)(fang)靜(jing)電(dian)袋(dai)(dai)，其(qi)透(tou)氣性(xing)(xing)(xing)更(geng)佳，能防(fang)(fang)止(zhi)濕氣滯留。###應(ying)(ying)用(yong)(yong)場景解析(xi)在(zai)PCB生(sheng)產(chan)流程中(zhong)，無(wu)(wu)(wu)(wu)硫(liu)(liu)(liu)(liu)(liu)(liu)紙(zhi)(zhi)主要(yao)應(ying)(ying)用(yong)(yong)于(yu)(yu)：-**層(ceng)(ceng)壓(ya)隔(ge)離**：作為層(ceng)(ceng)間介質(zhi)避免(mian)半固(gu)化(hua)(hua)片粘連-**成(cheng)(cheng)品包(bao)裝(zhuang)**：卷裝(zhuang)PCB的(de)(de)(de)匝間隔(ge)離防(fang)(fang)護(hu)-**長(chang)(chang)途運(yun)輸**：配合(he)(he)防(fang)(fang)潮袋(dai)(dai)構成(cheng)(cheng)雙重防(fang)(fang)護(hu)體系(xi)-**長(chang)(chang)期存(cun)儲(chu)**：級(ji)PCB常(chang)用(yong)(yong)真空(kong)包(bao)裝(zhuang)+無(wu)(wu)(wu)(wu)硫(liu)(liu)(liu)(liu)(liu)(liu)紙(zhi)(zhi)封裝(zhuang)###經濟性(xing)(xing)(xing)分(fen)析(xi)雖然無(wu)(wu)(wu)(wu)硫(liu)(liu)(liu)(liu)(liu)(liu)紙(zhi)(zhi)采購成(cheng)(cheng)本較普通包(bao)裝(zhuang)紙(zhi)(zhi)高(gao)(gao)約(yue)(yue)30-50%，但可(ke)減少因(yin)硫(liu)(liu)(liu)(liu)(liu)(liu)腐(fu)蝕(shi)導(dao)致的(de)(de)(de)退(tui)貨損失（行(xing)業(ye)統計(ji)顯示此類損失約(yue)(yue)占PCB廠售(shou)后(hou)成(cheng)(cheng)本的(de)(de)(de)17%）。以月產(chan)10萬平米的(de)(de)(de)中(zhong)型PCB廠為例，采用(yong)(yong)無(wu)(wu)(wu)(wu)硫(liu)(liu)(liu)(liu)(liu)(liu)紙(zhi)(zhi)后(hou)年均(jun)可(ke)降低質(zhi)量損失約(yue)(yue)120萬元(yuan)。當前主流規格包(bao)括：-基重：60-120g/m2-幅寬：500-1570mm（可(ke)定制分(fen)切）-pH值：7.2-8.5（弱堿性(xing)(xing)(xing)防(fang)(fang)酸蝕(shi)）隨著(zhu)IPC-1601B標準的(de)(de)(de)推(tui)廣，無(wu)(wu)(wu)(wu)硫(liu)(liu)(liu)(liu)(liu)(liu)紙(zhi)(zhi)正(zheng)從(cong)應(ying)(ying)用(yong)(yong)向(xiang)(xiang)消費電(dian)子領(ling)域(yu)滲透(tou)。未來，兼具VCI氣相防(fang)(fang)銹功(gong)能的(de)(de)(de)無(wu)(wu)(wu)(wu)硫(liu)(liu)(liu)(liu)(liu)(liu)復合(he)(he)材(cai)料(liao)將成(cheng)(cheng)為技(ji)術迭代方(fang)向(xiang)(xiang)，推(tui)動(dong)PCB包(bao)裝(zhuang)向(xiang)(xiang)智(zhi)能化(hua)(hua)防(fang)(fang)護(hu)體系(xi)演進。

無(wu)硫(liu)(liu)(liu)紙(zhi)(zhi)的(de)(de)生(sheng)(sheng)產過程(cheng)是一(yi)種(zhong)注重環(huan)(huan)(huan)保(bao)(bao)和健(jian)康的(de)(de)造紙(zhi)(zhi)工藝(yi)，其(qi)在(zai)于避免使用(yong)(yong)(yong)(yong)(yong)(yong)含(han)(han)硫(liu)(liu)(liu)化(hua)(hua)合物，以(yi)減少對環(huan)(huan)(huan)境和人(ren)體(ti)的(de)(de)潛(qian)在(zai)危(wei)害。以(yi)下是其(qi)關鍵(jian)生(sheng)(sheng)產步驟：1.**原料(liao)(liao)(liao)選擇(ze)與(yu)制漿**無(wu)硫(liu)(liu)(liu)紙(zhi)(zhi)通(tong)(tong)常采(cai)用(yong)(yong)(yong)(yong)(yong)(yong)木材(cai)、竹纖(xian)維(wei)(wei)或廢紙(zhi)(zhi)作(zuo)(zuo)為原料(liao)(liao)(liao)。制漿階段摒棄傳(chuan)統硫(liu)(liu)(liu)酸鹽法（含(han)(han)），轉而(er)采(cai)用(yong)(yong)(yong)(yong)(yong)(yong)機械法或堿性(xing)(xing)機械制漿（APMP）。機械制漿通(tong)(tong)過物理(li)研(yan)磨分離纖(xian)維(wei)(wei)，而(er)APMP則利用(yong)(yong)(yong)(yong)(yong)(yong)在(zai)堿性(xing)(xing)條件下軟化(hua)(hua)原料(liao)(liao)(liao)，既提升(sheng)纖(xian)維(wei)(wei)質量(liang)又避免硫(liu)(liu)(liu)的(de)(de)引入。2.**無(wu)硫(liu)(liu)(liu)漂(piao)白工藝(yi)**漂(piao)白環(huan)(huan)(huan)節(jie)采(cai)用(yong)(yong)(yong)(yong)(yong)(yong)全(quan)無(wu)氯（TCF）技術，以(yi)（H?O?）、臭氧（O?）及氧氣（O?）替代(dai)含(han)(han)硫(liu)(liu)(liu)或含(han)(han)氯漂(piao)白劑(ji)。例如，在(zai)溫和條件下分解纖(xian)維(wei)(wei)中的(de)(de)發色基團(tuan)，實現漂(piao)白，同時(shi)僅生(sheng)(sheng)成水(shui)作(zuo)(zuo)為副(fu)產物，確(que)程(cheng)清潔(jie)。3.**添(tian)加(jia)劑(ji)控制**在(zai)抄紙(zhi)(zhi)過程(cheng)中，嚴格篩選無(wu)硫(liu)(liu)(liu)化(hua)(hua)學(xue)品作(zuo)(zuo)為助劑(ji)。施(shi)膠劑(ji)選用(yong)(yong)(yong)(yong)(yong)(yong)烯(xi)酮二(er)聚體(ti)（AKD）或生(sheng)(sheng)物基材(cai)料(liao)(liao)(liao)，填料(liao)(liao)(liao)采(cai)用(yong)(yong)(yong)(yong)(yong)(yong)碳酸鈣(gai)或高嶺土，濕(shi)強劑(ji)則使用(yong)(yong)(yong)(yong)(yong)(yong)聚酰胺(an)的(de)(de)無(wu)硫(liu)(liu)(liu)改良品，確(que)保(bao)(bao)各環(huan)(huan)(huan)節(jie)化(hua)(hua)學(xue)品的(de)(de)環(huan)(huan)(huan)保(bao)(bao)性(xing)(xing)。4.**造紙(zhi)(zhi)與(yu)后處理(li)**紙(zhi)(zhi)漿經稀釋、成型(xing)、壓(ya)榨脫水(shui)后，進入干(gan)燥(zao)環(huan)(huan)(huan)節(jie)。采(cai)用(yong)(yong)(yong)(yong)(yong)(yong)蒸(zheng)汽(qi)加(jia)熱或紅外(wai)線干(gan)燥(zao)技術，避免含(han)(han)硫(liu)(liu)(liu)燃(ran)料(liao)(liao)(liao)的(de)(de)使用(yong)(yong)(yong)(yong)(yong)(yong)。后續涂布或壓(ya)光處理(li)中，水(shui)性(xing)(xing)涂料(liao)(liao)(liao)替代(dai)傳(chuan)統溶劑(ji)型(xing)材(cai)料(liao)(liao)(liao)，進一(yi)步降(jiang)低(di)硫(liu)(liu)(liu)殘留風(feng)險(xian)。5.**質量(liang)檢(jian)測與(yu)認(ren)證(zheng)**成品通(tong)(tong)過X射線熒光光譜(pu)（XRF）檢(jian)測硫(liu)(liu)(liu)含(han)(han)量(liang)，確(que)保(bao)(bao)符(fu)合標準。部(bu)分無(wu)硫(liu)(liu)(liu)紙(zhi)(zhi)還會(hui)申請生(sheng)(sheng)態標簽(qian)（如歐盟Ecolabel）或森林認(ren)證(zheng)（FSC），以(yi)驗證(zheng)其(qi)環(huan)(huan)(huan)保(bao)(bao)性(xing)(xing)能。無(wu)硫(liu)(liu)(liu)紙(zhi)(zhi)的(de)(de)生(sheng)(sheng)產不僅減少硫(liu)(liu)(liu)氧化(hua)(hua)物排放(fang)，還降(jiang)低(di)紙(zhi)(zhi)張異味(wei)和人(ren)體(ti)過敏風(feng)險(xian)，防霉(mei)紙(zhi)(zhi)報(bao)價(jia)，廣泛(fan)應用(yong)(yong)(yong)(yong)(yong)(yong)于食品包(bao)裝、書籍(ji)印(yin)刷(shua)及領(ling)域(yu)，推動造紙(zhi)(zhi)業向綠色可持續發展(zhan)轉型(xing)。

無(wu)(wu)(wu)硫(liu)(liu)(liu)(liu)(liu)(liu)紙(zhi)(zhi)(zhi)是否具備防(fang)(fang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)功能(neng)需(xu)要(yao)(yao)從(cong)其(qi)材(cai)(cai)料特(te)(te)(te)性(xing)(xing)(xing)(xing)及生(sheng)(sheng)產工(gong)(gong)藝角度進行分析。以(yi)下(xia)從(cong)三(san)個方(fang)面(mian)展(zhan)開說明：###一(yi)、無(wu)(wu)(wu)硫(liu)(liu)(liu)(liu)(liu)(liu)紙(zhi)(zhi)(zhi)的(de)(de)基(ji)本特(te)(te)(te)性(xing)(xing)(xing)(xing)無(wu)(wu)(wu)硫(liu)(liu)(liu)(liu)(liu)(liu)紙(zhi)(zhi)(zhi)主(zhu)要(yao)(yao)指生(sheng)(sheng)產過程(cheng)中(zhong)(zhong)未添(tian)加硫(liu)(liu)(liu)(liu)(liu)(liu)化(hua)(hua)物（如硫(liu)(liu)(liu)(liu)(liu)(liu)磺、硫(liu)(liu)(liu)(liu)(liu)(liu)酸(suan)鹽）的(de)(de)紙(zhi)(zhi)(zhi)張(zhang)類(lei)型(xing)，防(fang)(fang)霉(mei)紙(zhi)(zhi)(zhi)，主(zhu)要(yao)(yao)應(ying)(ying)用(yong)于檔(dang)案保(bao)(bao)存(cun)、古籍(ji)修(xiu)復等領域(yu)。其(qi)優勢體現(xian)在(zai)：1.低酸(suan)化(hua)(hua)特(te)(te)(te)性(xing)(xing)(xing)(xing)：硫(liu)(liu)(liu)(liu)(liu)(liu)化(hua)(hua)物殘(can)留會導(dao)致紙(zhi)(zhi)(zhi)張(zhang)酸(suan)性(xing)(xing)(xing)(xing)腐蝕，無(wu)(wu)(wu)硫(liu)(liu)(liu)(liu)(liu)(liu)處(chu)理可延長(chang)保(bao)(bao)存(cun)年(nian)限2.環(huan)保(bao)(bao)屬(shu)性(xing)(xing)(xing)(xing)：減少硫(liu)(liu)(liu)(liu)(liu)(liu)化(hua)(hua)物排放對環(huan)境(jing)的(de)(de)污染3.材(cai)(cai)質穩定(ding)性(xing)(xing)(xing)(xing)：避免硫(liu)(liu)(liu)(liu)(liu)(liu)元(yuan)素與其(qi)他(ta)物質發生(sheng)(sheng)化(hua)(hua)學反應(ying)(ying)###二、防(fang)(fang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)機制解析防(fang)(fang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)性(xing)(xing)(xing)(xing)能(neng)的(de)(de)實(shi)現(xian)需(xu)要(yao)(yao)特(te)(te)(te)定(ding)技術手段：1.導(dao)電(dian)(dian)(dian)(dian)(dian)(dian)物質添(tian)加：碳纖維、金屬(shu)微粒(li)等導(dao)電(dian)(dian)(dian)(dian)(dian)(dian)介質的(de)(de)加入（體積(ji)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)率需(xu)降至10^6Ω·cm以(yi)下(xia)）2.表面(mian)處(chu)理：涂(tu)布季銨鹽類(lei)抗靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)劑(ji)或導(dao)電(dian)(dian)(dian)(dian)(dian)(dian)高(gao)(gao)分子涂(tu)層3.濕(shi)度控制：通(tong)(tong)(tong)過吸(xi)濕(shi)性(xing)(xing)(xing)(xing)材(cai)(cai)料維持表面(mian)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)4.結構設計(ji)：多層復合(he)結構建立靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)消散(san)路(lu)徑普通(tong)(tong)(tong)無(wu)(wu)(wu)硫(liu)(liu)(liu)(liu)(liu)(liu)紙(zhi)(zhi)(zhi)未進行上述特(te)(te)(te)殊(shu)處(chu)理，其(qi)表面(mian)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)通(tong)(tong)(tong)常在(zai)10^12-10^14Ω范圍，屬(shu)于典(dian)型(xing)絕(jue)緣材(cai)(cai)料，不具備自(zi)主(zhu)導(dao)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)能(neng)力。###三(san)、功能(neng)性(xing)(xing)(xing)(xing)改良可能(neng)性(xing)(xing)(xing)(xing)雖(sui)然基(ji)礎型(xing)無(wu)(wu)(wu)硫(liu)(liu)(liu)(liu)(liu)(liu)紙(zhi)(zhi)(zhi)無(wu)(wu)(wu)防(fang)(fang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)性(xing)(xing)(xing)(xing)能(neng)，但通(tong)(tong)(tong)過工(gong)(gong)藝改良可實(shi)現(xian)雙重功能(neng)：1.復合(he)工(gong)(gong)藝：在(zai)無(wu)(wu)(wu)硫(liu)(liu)(liu)(liu)(liu)(liu)基(ji)紙(zhi)(zhi)(zhi)上涂(tu)覆透明抗靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)涂(tu)層（厚度3-5μm）2.纖維改性(xing)(xing)(xing)(xing)：添(tian)加0.5-1.2%的(de)(de)聚導(dao)電(dian)(dian)(dian)(dian)(dian)(dian)纖維3.后處(chu)理技術：等離子體處(chu)理形成納米(mi)級導(dao)電(dian)(dian)(dian)(dian)(dian)(dian)網絡此(ci)類(lei)特(te)(te)(te)種紙(zhi)(zhi)(zhi)已應(ying)(ying)用(yong)于精密電(dian)(dian)(dian)(dian)(dian)(dian)子元(yuan)件包裝領域(yu)，但成本較普通(tong)(tong)(tong)無(wu)(wu)(wu)硫(liu)(liu)(liu)(liu)(liu)(liu)紙(zhi)(zhi)(zhi)提高(gao)(gao)40-60%。建議實(shi)際應(ying)(ying)用(yong)中(zhong)(zhong)根據需(xu)求選擇：-普通(tong)(tong)(tong)存(cun)檔(dang)：標準(zhun)無(wu)(wu)(wu)硫(liu)(liu)(liu)(liu)(liu)(liu)紙(zhi)(zhi)(zhi)-靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)敏(min)感環(huan)境(jing)：需(xu)選用(yong)明確標注(zhu)抗靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)參(can)數（表面(mian)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)-特(te)(te)(te)殊(shu)行業：可向造紙(zhi)(zhi)(zhi)企業定(ding)制導(dao)電(dian)(dian)(dian)(dian)(dian)(dian)劑(ji)改性(xing)(xing)(xing)(xing)的(de)(de)無(wu)(wu)(wu)硫(liu)(liu)(liu)(liu)(liu)(liu)防(fang)(fang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)紙(zhi)(zhi)(zhi)注(zhu)：選購時應(ying)(ying)要(yao)(yao)求供應(ying)(ying)商提供第三(san)方(fang)檢測報告，重點驗證表面(mian)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)、體積(ji)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)等關鍵指標。