主要(yao)毒性(xing)物質(zhi):苯(ben)被公認(ren)為致癌物質(zhi),但苯(ben)類是樹脂材料(liao)(liao)(liao)(liao)的良好溶(rong)(rong)劑(ji),它(ta)具(ju)有溶(rong)(rong)解(jie)性(xing)強(qiang),揮(hui)發速(su)度快,價格便宜等優點,因此(ci)被廣泛用于(yu)樹脂的溶(rong)(rong)劑(ji)。在(zai)(zai)包(bao)裝中(zhong)(zhong)主要(yao)用于(yu)復合包(bao)裝材料(liao)(liao)(liao)(liao)粘和(he)劑(ji)和(he)塑料(liao)(liao)(liao)(liao)印刷(shua)油墨的溶(rong)(rong)劑(ji)。由于(yu)在(zai)(zai)復合材料(liao)(liao)(liao)(liao)和(he)塑料(liao)(liao)(liao)(liao)印刷(shua)過(guo)程中(zhong)(zhong)苯(ben)類溶(rong)(rong)劑(ji)揮(hui)發不(bu)完(wan)全(quan),包(bao)裝材料(liao)(liao)(liao)(liao)或容器生產(chan)設(she)(she)備(bei)比(bi)較簡陋時有可能造成苯(ben)類物質(zhi)在(zai)(zai)包(bao)裝材料(liao)(liao)(liao)(liao)中(zhong)(zhong)殘留。食品包(bao)裝設(she)(she)計過(guo)程中(zhong)(zhong)苯(ben)類物質(zhi)滲(shen)透到食品中(zhong)(zhong),會導致食品中(zhong)(zhong)含有苯(ben)。
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