合(he)成(cheng)(cheng)(cheng)紙(zhi)(zhi)又稱化(hua)工薄(bo)膜(mo)紙(zhi)(zhi)、聚(ju)合(he)物紙(zhi)(zhi)、塑料(liao)(liao)(liao)紙(zhi)(zhi)等(deng)，主要原料(liao)(liao)(liao)是(shi)聚(ju)乙(yi)烯(xi)、聚(ju)丙烯(xi)、聚(ju)苯乙(yi)烯(xi)等(deng)有機樹脂。制造過程(cheng)中，把這些聚(ju)烯(xi)烴等(deng)樹脂和(he)無機填充(chong)物等(deng)主要原料(liao)(liao)(liao)經過熔融(rong)、擠壓、成(cheng)(cheng)(cheng)膜(mo)，沿不(bu)同軸向拉伸，生(sheng)成(cheng)(cheng)(cheng)薄(bo)膜(mo)；然后，把該薄(bo)膜(mo)進(jin)行(xing)“紙(zhi)(zhi)狀化(hua)”處理(li)，使之變得不(bu)透明、白(bai)度(du)提高，于是(shi)就制成(cheng)(cheng)(cheng)了(le)合(he)成(cheng)(cheng)(cheng)紙(zhi)(zhi)。合(he)成(cheng)(cheng)(cheng)紙(zhi)(zhi)是(shi)一種(zhong)塑料(liao)(liao)(liao)新型材料(liao)(liao)(liao)產(chan)品，同時具(ju)有塑料(liao)(liao)(liao)和(he)紙(zhi)(zhi)的(de)特征。

合成(cheng)紙(zhi)(zhi)的種(zhong)類，按(an)生(sheng)產原料的不(bu)(bu)同，分(fen)(fen)為(wei)(wei)PP合成(cheng)紙(zhi)(zhi)、HDPE合成(cheng)紙(zhi)(zhi)、PS合成(cheng)紙(zhi)(zhi)、PVC合成(cheng)紙(zhi)(zhi)、PET合成(cheng)紙(zhi)(zhi)、ABS合成(cheng)紙(zhi)(zhi)等(deng)(deng)；按(an)填充(chong)劑的不(bu)(bu)同，分(fen)(fen)為(wei)(wei)填充(chong)CaC03(calciumcarbonate)型(xing)(xing)，粘土(clay，主要成(cheng)分(fen)(fen)SiO2、Al2O3)型(xing)(xing)，SiO2(silica)型(xing)(xing)，云母(talc)型(xing)(xing)，TiO2(titanium dioxide)型(xing)(xing)及(ji)復合(兩(liang)種(zhong)以(yi)上填充(chong))型(xing)(xing)等(deng)(deng)；按(an)生(sheng)產方式的不(bu)(bu)同，分(fen)(fen)為(wei)(wei)壓延法(如(ru)柔軟型(xing)(xing)PVC)、流延法(如(ru)CPP)、吹(chui)膜法(如(ru)HDPE)、雙(shuang)向拉(la)伸(shen)法(如(ru)BOPP、BOPET)等(deng)(deng)；按(an)結構(gou)的不(bu)(bu)同，分(fen)(fen)為(wei)(wei)單層合成(cheng)紙(zhi)(zhi)、三層合成(cheng)紙(zhi)(zhi)、五層合成(cheng)紙(zhi)(zhi)等(deng)(deng)。