合(he)成(cheng)紙(zhi)(zhi)(zhi)又稱化工(gong)薄膜(mo)紙(zhi)(zhi)(zhi)、聚(ju)合(he)物(wu)紙(zhi)(zhi)(zhi)、塑料(liao)(liao)紙(zhi)(zhi)(zhi)等，主要(yao)(yao)原料(liao)(liao)是(shi)聚(ju)乙烯、聚(ju)丙烯、聚(ju)苯(ben)乙烯等有機樹脂。制(zhi)造過(guo)程(cheng)中，把這(zhe)些(xie)聚(ju)烯烴等樹脂和無(wu)機填充物(wu)等主要(yao)(yao)原料(liao)(liao)經(jing)過(guo)熔融(rong)、擠壓、成(cheng)膜(mo)，沿(yan)不同(tong)(tong)軸向拉伸，生成(cheng)薄膜(mo)；然后，把該薄膜(mo)進行“紙(zhi)(zhi)(zhi)狀化”處(chu)理，使之變(bian)得(de)不透明(ming)、白度(du)提高，于是(shi)就制(zhi)成(cheng)了合(he)成(cheng)紙(zhi)(zhi)(zhi)。合(he)成(cheng)紙(zhi)(zhi)(zhi)是(shi)一種塑料(liao)(liao)新型材料(liao)(liao)產品(pin)，同(tong)(tong)時具有塑料(liao)(liao)和紙(zhi)(zhi)(zhi)的特征(zheng)。

合成(cheng)(cheng)(cheng)紙的(de)(de)(de)種類，按(an)(an)生(sheng)產原(yuan)料(liao)的(de)(de)(de)不同(tong)(tong)，分(fen)(fen)為PP合成(cheng)(cheng)(cheng)紙、HDPE合成(cheng)(cheng)(cheng)紙、PS合成(cheng)(cheng)(cheng)紙、PVC合成(cheng)(cheng)(cheng)紙、PET合成(cheng)(cheng)(cheng)紙、ABS合成(cheng)(cheng)(cheng)紙等(deng)；按(an)(an)填(tian)(tian)充(chong)(chong)劑的(de)(de)(de)不同(tong)(tong)，分(fen)(fen)為填(tian)(tian)充(chong)(chong)CaC03(calciumcarbonate)型，粘土(clay，主要成(cheng)(cheng)(cheng)分(fen)(fen)SiO2、Al2O3)型，SiO2(silica)型，云母(talc)型，TiO2(titanium dioxide)型及(ji)復合(兩(liang)種以上填(tian)(tian)充(chong)(chong))型等(deng)；按(an)(an)生(sheng)產方式(shi)的(de)(de)(de)不同(tong)(tong)，分(fen)(fen)為壓延(yan)法(如柔軟(ruan)型PVC)、流延(yan)法(如CPP)、吹膜法(如HDPE)、雙向拉(la)伸法(如BOPP、BOPET)等(deng)；按(an)(an)結構的(de)(de)(de)不同(tong)(tong)，分(fen)(fen)為單層合成(cheng)(cheng)(cheng)紙、三(san)層合成(cheng)(cheng)(cheng)紙、五(wu)層合成(cheng)(cheng)(cheng)紙等(deng)。