主(zhu)(zhu)要毒性物質(zhi):苯(ben)被公認(ren)為致(zhi)癌物質(zhi),但苯(ben)類(lei)是樹脂材料(liao)的良好溶(rong)(rong)劑(ji)(ji),它具有溶(rong)(rong)解性強,揮發速度快,價格便宜(yi)等優點,因此(ci)被廣泛(fan)用于(yu)(yu)(yu)樹脂的溶(rong)(rong)劑(ji)(ji)。在(zai)包(bao)裝(zhuang)中(zhong)(zhong)主(zhu)(zhu)要用于(yu)(yu)(yu)復合(he)包(bao)裝(zhuang)材料(liao)粘和劑(ji)(ji)和塑(su)料(liao)印刷油(you)墨的溶(rong)(rong)劑(ji)(ji)。由于(yu)(yu)(yu)在(zai)復合(he)材料(liao)和塑(su)料(liao)印刷過(guo)(guo)程中(zhong)(zhong)苯(ben)類(lei)溶(rong)(rong)劑(ji)(ji)揮發不完(wan)全,包(bao)裝(zhuang)材料(liao)或容器生產設(she)備比較簡陋時有可能造成苯(ben)類(lei)物質(zhi)在(zai)包(bao)裝(zhuang)材料(liao)中(zhong)(zhong)殘(can)留。食品包(bao)裝(zhuang)設(she)計過(guo)(guo)程中(zhong)(zhong)苯(ben)類(lei)物質(zhi)滲(shen)透到食品中(zhong)(zhong),會導致(zhi)食品中(zhong)(zhong)含有苯(ben)。
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