合成(cheng)(cheng)紙(zhi)(zhi)(zhi)又(you)稱化(hua)工(gong)薄膜(mo)紙(zhi)(zhi)(zhi)、聚(ju)合物(wu)紙(zhi)(zhi)(zhi)、塑(su)(su)料(liao)紙(zhi)(zhi)(zhi)等(deng)，主(zhu)要(yao)原料(liao)是(shi)聚(ju)乙(yi)烯、聚(ju)丙烯、聚(ju)苯乙(yi)烯等(deng)有機(ji)樹(shu)(shu)脂。制造過程中，把這些聚(ju)烯烴等(deng)樹(shu)(shu)脂和無機(ji)填充物(wu)等(deng)主(zhu)要(yao)原料(liao)經(jing)過熔融、擠壓、成(cheng)(cheng)膜(mo)，沿(yan)不同(tong)軸(zhou)向拉伸(shen)，生成(cheng)(cheng)薄膜(mo)；然后(hou)，把該薄膜(mo)進行(xing)“紙(zhi)(zhi)(zhi)狀(zhuang)化(hua)”處理，使之變得不透明、白度提高(gao)，于是(shi)就制成(cheng)(cheng)了合成(cheng)(cheng)紙(zhi)(zhi)(zhi)。合成(cheng)(cheng)紙(zhi)(zhi)(zhi)是(shi)一種(zhong)塑(su)(su)料(liao)新型材料(liao)產品，同(tong)時具有塑(su)(su)料(liao)和紙(zhi)(zhi)(zhi)的特征。

合(he)(he)成(cheng)(cheng)(cheng)(cheng)紙(zhi)(zhi)的(de)種(zhong)類，按(an)生(sheng)產(chan)原(yuan)料的(de)不同(tong)，分為(wei)PP合(he)(he)成(cheng)(cheng)(cheng)(cheng)紙(zhi)(zhi)、HDPE合(he)(he)成(cheng)(cheng)(cheng)(cheng)紙(zhi)(zhi)、PS合(he)(he)成(cheng)(cheng)(cheng)(cheng)紙(zhi)(zhi)、PVC合(he)(he)成(cheng)(cheng)(cheng)(cheng)紙(zhi)(zhi)、PET合(he)(he)成(cheng)(cheng)(cheng)(cheng)紙(zhi)(zhi)、ABS合(he)(he)成(cheng)(cheng)(cheng)(cheng)紙(zhi)(zhi)等；按(an)填(tian)充劑的(de)不同(tong)，分為(wei)填(tian)充CaC03(calciumcarbonate)型，粘土(clay，主(zhu)要成(cheng)(cheng)(cheng)(cheng)分SiO2、Al2O3)型，SiO2(silica)型，云母(talc)型，TiO2(titanium dioxide)型及復合(he)(he)(兩(liang)種(zhong)以上(shang)填(tian)充)型等；按(an)生(sheng)產(chan)方式的(de)不同(tong)，分為(wei)壓延法(fa)(如(ru)柔(rou)軟型PVC)、流延法(fa)(如(ru)CPP)、吹膜法(fa)(如(ru)HDPE)、雙向拉(la)伸(shen)法(fa)(如(ru)BOPP、BOPET)等；按(an)結構的(de)不同(tong)，分為(wei)單層(ceng)合(he)(he)成(cheng)(cheng)(cheng)(cheng)紙(zhi)(zhi)、三(san)層(ceng)合(he)(he)成(cheng)(cheng)(cheng)(cheng)紙(zhi)(zhi)、五層(ceng)合(he)(he)成(cheng)(cheng)(cheng)(cheng)紙(zhi)(zhi)等。