合(he)成(cheng)(cheng)(cheng)紙(zhi)又稱化工薄(bo)膜紙(zhi)、聚(ju)合(he)物紙(zhi)、塑料(liao)紙(zhi)等，主(zhu)(zhu)要(yao)原料(liao)是聚(ju)乙烯(xi)(xi)(xi)、聚(ju)丙烯(xi)(xi)(xi)、聚(ju)苯(ben)乙烯(xi)(xi)(xi)等有機樹脂(zhi)。制造(zao)過程(cheng)中，把(ba)這(zhe)些聚(ju)烯(xi)(xi)(xi)烴等樹脂(zhi)和(he)無(wu)機填充(chong)物等主(zhu)(zhu)要(yao)原料(liao)經過熔融、擠(ji)壓(ya)、成(cheng)(cheng)(cheng)膜，沿不(bu)同(tong)軸向(xiang)拉伸，生成(cheng)(cheng)(cheng)薄(bo)膜；然后，把(ba)該薄(bo)膜進行“紙(zhi)狀化”處理(li)，使之變得不(bu)透(tou)明(ming)、白(bai)度提(ti)高(gao)，于是就制成(cheng)(cheng)(cheng)了合(he)成(cheng)(cheng)(cheng)紙(zhi)。合(he)成(cheng)(cheng)(cheng)紙(zhi)是一種塑料(liao)新型材(cai)料(liao)產品，同(tong)時具有塑料(liao)和(he)紙(zhi)的特征。

合(he)成(cheng)(cheng)(cheng)紙(zhi)的種(zhong)類，按(an)(an)生產(chan)原(yuan)料的不(bu)(bu)(bu)同，分(fen)為(wei)PP合(he)成(cheng)(cheng)(cheng)紙(zhi)、HDPE合(he)成(cheng)(cheng)(cheng)紙(zhi)、PS合(he)成(cheng)(cheng)(cheng)紙(zhi)、PVC合(he)成(cheng)(cheng)(cheng)紙(zhi)、PET合(he)成(cheng)(cheng)(cheng)紙(zhi)、ABS合(he)成(cheng)(cheng)(cheng)紙(zhi)等；按(an)(an)填充劑的不(bu)(bu)(bu)同，分(fen)為(wei)填充CaC03(calciumcarbonate)型(xing)，粘土(tu)(clay，主要(yao)成(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(zhong)以上(shang)填充)型(xing)等；按(an)(an)生產(chan)方式(shi)的不(bu)(bu)(bu)同，分(fen)為(wei)壓延法(fa)(如(ru)柔軟型(xing)PVC)、流延法(fa)(如(ru)CPP)、吹膜法(fa)(如(ru)HDPE)、雙向拉伸法(fa)(如(ru)BOPP、BOPET)等；按(an)(an)結構的不(bu)(bu)(bu)同，分(fen)為(wei)單層(ceng)合(he)成(cheng)(cheng)(cheng)紙(zhi)、三層(ceng)合(he)成(cheng)(cheng)(cheng)紙(zhi)、五層(ceng)合(he)成(cheng)(cheng)(cheng)紙(zhi)等。