合(he)成(cheng)(cheng)紙(zhi)(zhi)又稱化(hua)工薄膜(mo)(mo)(mo)紙(zhi)(zhi)、聚合(he)物(wu)(wu)紙(zhi)(zhi)、塑料(liao)紙(zhi)(zhi)等(deng)，主(zhu)要原料(liao)是聚乙烯、聚丙烯、聚苯乙烯等(deng)有機樹脂。制造(zao)過程中，把(ba)(ba)這些聚烯烴等(deng)樹脂和無機填充物(wu)(wu)等(deng)主(zhu)要原料(liao)經過熔融、擠(ji)壓、成(cheng)(cheng)膜(mo)(mo)(mo)，沿不(bu)同(tong)軸向拉伸，生成(cheng)(cheng)薄膜(mo)(mo)(mo)；然后，把(ba)(ba)該薄膜(mo)(mo)(mo)進(jin)行“紙(zhi)(zhi)狀化(hua)”處理，使之(zhi)變(bian)得不(bu)透明、白度提高，于是就制成(cheng)(cheng)了合(he)成(cheng)(cheng)紙(zhi)(zhi)。合(he)成(cheng)(cheng)紙(zhi)(zhi)是一種塑料(liao)新(xin)型材料(liao)產品，同(tong)時具有塑料(liao)和紙(zhi)(zhi)的特征。

合(he)成(cheng)(cheng)(cheng)(cheng)(cheng)紙(zhi)的種類，按(an)(an)生產(chan)原料的不(bu)同，分(fen)為(wei)PP合(he)成(cheng)(cheng)(cheng)(cheng)(cheng)紙(zhi)、HDPE合(he)成(cheng)(cheng)(cheng)(cheng)(cheng)紙(zhi)、PS合(he)成(cheng)(cheng)(cheng)(cheng)(cheng)紙(zhi)、PVC合(he)成(cheng)(cheng)(cheng)(cheng)(cheng)紙(zhi)、PET合(he)成(cheng)(cheng)(cheng)(cheng)(cheng)紙(zhi)、ABS合(he)成(cheng)(cheng)(cheng)(cheng)(cheng)紙(zhi)等；按(an)(an)填(tian)充(chong)劑的不(bu)同，分(fen)為(wei)填(tian)充(chong)CaC03(calciumcarbonate)型(xing)，粘(zhan)土(clay，主要成(cheng)(cheng)(cheng)(cheng)(cheng)分(fen)SiO2、Al2O3)型(xing)，SiO2(silica)型(xing)，云母(mu)(talc)型(xing)，TiO2(titanium dioxide)型(xing)及復(fu)合(he)(兩種以上(shang)填(tian)充(chong))型(xing)等；按(an)(an)生產(chan)方(fang)式的不(bu)同，分(fen)為(wei)壓延(yan)法(如柔軟型(xing)PVC)、流(liu)延(yan)法(如CPP)、吹(chui)膜法(如HDPE)、雙向拉伸法(如BOPP、BOPET)等；按(an)(an)結構的不(bu)同，分(fen)為(wei)單層(ceng)合(he)成(cheng)(cheng)(cheng)(cheng)(cheng)紙(zhi)、三層(ceng)合(he)成(cheng)(cheng)(cheng)(cheng)(cheng)紙(zhi)、五層(ceng)合(he)成(cheng)(cheng)(cheng)(cheng)(cheng)紙(zhi)等。