真空(kong)過(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)，是由于真空(kong)機(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)作用(yong)，在(zai)過(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)機(ji)(ji)濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)鼓(gu)(gu)(gu)(gu)內(nei)(nei)(nei)抽成負壓，形成過(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)介(jie)質(zhi)層(濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)布(bu))的(de)(de)(de)(de)(de)(de)(de)兩面(mian)(mian)(mian)壓力(li)差(cha)。隨著過(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)機(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)轉動，堿液(ye)(ye)(ye)(ye)中的(de)(de)(de)(de)(de)(de)(de)母液(ye)(ye)(ye)(ye)被(bei)抽走，重(zhong)(zhong)(zhong)堿則吸(xi)(xi)(xi)(xi)(xi)附(fu)在(zai)濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)布(bu)上，最后(hou)(hou)被(bei)刮刀(dao)(dao)刮下(xia)(xia)。聚脂(zhi)網(wang)(wang)真空(kong)過(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)機(ji)(ji)一(yi)(yi)般(ban)指轉鼓(gu)(gu)(gu)(gu)真空(kong)過(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)機(ji)(ji)。它的(de)(de)(de)(de)(de)(de)(de)主體(ti)是個筒狀(zhuang)的(de)(de)(de)(de)(de)(de)(de)濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)鼓(gu)(gu)(gu)(gu)，濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)鼓(gu)(gu)(gu)(gu)旋轉一(yi)(yi)周。濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)鼓(gu)(gu)(gu)(gu)下(xia)(xia)半(ban)部(bu)(bu)約(yue)五分(fen)之二(er)浸在(zai)堿液(ye)(ye)(ye)(ye)槽(cao)內(nei)(nei)(nei)，當濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)鼓(gu)(gu)(gu)(gu)旋轉時，全部(bu)(bu)濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)面(mian)(mian)(mian)輪流與堿液(ye)(ye)(ye)(ye)槽(cao)內(nei)(nei)(nei)的(de)(de)(de)(de)(de)(de)(de)堿液(ye)(ye)(ye)(ye)相接觸，濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)液(ye)(ye)(ye)(ye)被(bei)吸(xi)(xi)(xi)(xi)(xi)入(ru)(ru)濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)鼓(gu)(gu)(gu)(gu)內(nei)(nei)(nei)，重(zhong)(zhong)(zhong)堿結晶則附(fu)著于濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)布(bu)上。濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)鼓(gu)(gu)(gu)(gu)旋轉一(yi)(yi)周的(de)(de)(de)(de)(de)(de)(de)作用(yong)，可(ke)分(fen)為如下(xia)(xia)五個過(guo)(guo)程：(1)抽吸(xi)(xi)(xi)(xi)(xi)濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)液(ye)(ye)(ye)(ye)在(zai)堿液(ye)(ye)(ye)(ye)槽(cao)底部(bu)(bu)中心略偏左(14°左右)開(kai)始(shi)(shi)，至液(ye)(ye)(ye)(ye)面(mian)(mian)(mian)止(zhi)，液(ye)(ye)(ye)(ye)體(ti)被(bei)吸(xi)(xi)(xi)(xi)(xi)入(ru)(ru)濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)鼓(gu)(gu)(gu)(gu)內(nei)(nei)(nei)，重(zhong)(zhong)(zhong)堿結晶則附(fu)于毛氈(zhan)濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)布(bu)上(或金(jin)屬(shu)濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)布(bu))。這是真正的(de)(de)(de)(de)(de)(de)(de)過(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)作用(yong)。聚脂(zhi)網(wang)(wang)聚脂(zhi)網(wang)(wang)(2)第(di)一(yi)(yi)次被(bei)吸(xi)(xi)(xi)(xi)(xi)干從液(ye)(ye)(ye)(ye)面(mian)(mian)(mian)開(kai)始(shi)(shi)至堿液(ye)(ye)(ye)(ye)槽(cao)下(xia)(xia)約(yue)300～400mm止(zhi)，濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)餅中的(de)(de)(de)(de)(de)(de)(de)液(ye)(ye)(ye)(ye)體(ti)(濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)液(ye)(ye)(ye)(ye))被(bei)吸(xi)(xi)(xi)(xi)(xi)干。聚脂(zhi)網(wang)(wang)(3)洗(xi)(xi)(xi)滌，第(di)一(yi)(yi)次被(bei)吸(xi)(xi)(xi)(xi)(xi)干位置始(shi)(shi)至上洗(xi)(xi)(xi)水(shui)(shui)(shui)槽(cao)約(yue)150mm處(chu)止(zhi)，為用(yong)洗(xi)(xi)(xi)水(shui)(shui)(shui)洗(xi)(xi)(xi)滌階段(duan)。帶人(ren)濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)液(ye)(ye)(ye)(ye)內(nei)(nei)(nei)洗(xi)(xi)(xi)水(shui)(shui)(shui)約(yue)0.2～0.25純堿，留(liu)(liu)在(zai)重(zhong)(zhong)(zhong)堿內(nei)(nei)(nei)的(de)(de)(de)(de)(de)(de)(de)洗(xi)(xi)(xi)水(shui)(shui)(shui)約(yue)有(you)0.36～0.4(4)第(di)二(er)次吸(xi)(xi)(xi)(xi)(xi)干從洗(xi)(xi)(xi)水(shui)(shui)(shui)槽(cao)后(hou)(hou)開(kai)始(shi)(shi)至刮刀(dao)(dao)處(chu)止(zhi)，重(zhong)(zhong)(zhong)堿內(nei)(nei)(nei)殘留(liu)(liu)的(de)(de)(de)(de)(de)(de)(de)母液(ye)(ye)(ye)(ye)和洗(xi)(xi)(xi)水(shui)(shui)(shui)繼續(xu)被(bei)吸(xi)(xi)(xi)(xi)(xi)干即真正的(de)(de)(de)(de)(de)(de)(de)吸(xi)(xi)(xi)(xi)(xi)干階段(duan)，約(yue)占(zhan)濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)鼓(gu)(gu)(gu)(gu)面(mian)(mian)(mian)積的(de)(de)(de)(de)(de)(de)(de)四(si)分(fen)之一(yi)(yi)。吸(xi)(xi)(xi)(xi)(xi)干的(de)(de)(de)(de)(de)(de)(de)同時還有(you)三道壓輥幫助擠(ji)壓出重(zhong)(zhong)(zhong)堿內(nei)(nei)(nei)的(de)(de)(de)(de)(de)(de)(de)水(shui)(shui)(shui)分(fen)，為使(shi)(shi)水(shui)(shui)(shui)分(fen)含量(liang)最少，濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)鼓(gu)(gu)(gu)(gu)轉速不能過(guo)(guo)快。(5)吹氣(qi)刮刀(dao)(dao)下(xia)(xia)部(bu)(bu)(水(shui)(shui)(shui)平線下(xia)(xia))又吸(xi)(xi)(xi)(xi)(xi)人(ren)濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)液(ye)(ye)(ye)(ye)，然后(hou)(hou)通入(ru)(ru)壓縮空(kong)氣(qi)(一(yi)(yi)部(bu)(bu)分(fen)在(zai)液(ye)(ye)(ye)(ye)面(mian)(mian)(mian)下(xia)(xia)進行)。濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)布(bu)上殘留(liu)(liu)的(de)(de)(de)(de)(de)(de)(de)3～4mm厚的(de)(de)(de)(de)(de)(de)(de)堿層被(bei)空(kong)氣(qi)吹下(xia)(xia)，使(shi)(shi)濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)布(bu)恢(hui)復吸(xi)(xi)(xi)(xi)(xi)堿液(ye)(ye)(ye)(ye)效能。濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)鼓(gu)(gu)(gu)(gu)在(zai)連續(xu)轉動過(guo)(guo)程中，重(zhong)(zhong)(zhong)復這五個階段(duan)的(de)(de)(de)(de)(de)(de)(de)作用(yong)，完成重(zhong)(zhong)(zhong)堿過(guo)(guo)濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)的(de)(de)(de)(de)(de)(de)(de)操作。抗堿網(wang)(wang)的(de)(de)(de)(de)(de)(de)(de)適用(yong)范圍抗堿網(wang)(wang)系列主要(yao)用(yong)于：物(wu)料(liao)使(shi)(shi)用(yong)溫(wen)度(du)在(zai)100度(du)，含堿量(liang)≧（20％氫氧化鈉(na))壓濾(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)(lv)，及其它需要(yao)拉伸強(qiang)度(du)高，耐磨性(xing)能高的(de)(de)(de)(de)(de)(de)(de)行業使(shi)(shi)用(yong)。

影(ying)響聚(ju)酯成(cheng)(cheng)(cheng)(cheng)(cheng)型(xing)網(wang)(wang)(wang)(wang)(wang)(wang)的壽(shou)命(ming)(ming)(ming)因(yin)(yin)(yin)素(su)(su)較(jiao)多，它不(bu)(bu)僅受紙(zhi)(zhi)(zhi)(zhi)機(ji)成(cheng)(cheng)(cheng)(cheng)(cheng)型(xing)方式（如長網(wang)(wang)(wang)(wang)(wang)(wang)紙(zhi)(zhi)(zhi)(zhi)機(ji)、夾網(wang)(wang)(wang)(wang)(wang)(wang)紙(zhi)(zhi)(zhi)(zhi)機(ji)、疊網(wang)(wang)(wang)(wang)(wang)(wang)紙(zhi)(zhi)(zhi)(zhi)機(ji)等）和(he)紙(zhi)(zhi)(zhi)(zhi)機(ji)工藝技術條件（如脫水(shui)元件材質、形狀設計(ji)、漿料(liao)種類(lei)(lei)、配比、填料(liao)種類(lei)(lei)的含(han)量(liang)、真(zhen)空度(du)、網(wang)(wang)(wang)(wang)(wang)(wang)速(su)、網(wang)(wang)(wang)(wang)(wang)(wang)的張力(li)(li)(li)、網(wang)(wang)(wang)(wang)(wang)(wang)的消耗(hao)和(he)細小纖維留著率(lv)等）的影(ying)響，也與(yu)聚(ju)酯成(cheng)(cheng)(cheng)(cheng)(cheng)型(xing)網(wang)(wang)(wang)(wang)(wang)(wang)本(ben)身結構和(he)類(lei)(lei)型(xing)有(you)(you)關（如復絲網(wang)(wang)(wang)(wang)(wang)(wang)、單(dan)絲網(wang)(wang)(wang)(wang)(wang)(wang)、單(dan)層網(wang)(wang)(wang)(wang)(wang)(wang)、多層網(wang)(wang)(wang)(wang)(wang)(wang)、網(wang)(wang)(wang)(wang)(wang)(wang)厚度(du)等），因(yin)(yin)(yin)此在實際生(sheng)產中要綜(zong)合(he)考慮多方面因(yin)(yin)(yin)素(su)(su)，才(cai)能達到(dao)延長網(wang)(wang)(wang)(wang)(wang)(wang)子壽(shou)命(ming)(ming)(ming)的目的。一(yi)般(ban)來說(shuo)影(ying)響聚(ju)酯成(cheng)(cheng)(cheng)(cheng)(cheng)型(xing)網(wang)(wang)(wang)(wang)(wang)(wang)的使(shi)用(yong)壽(shou)命(ming)(ming)(ming)主要是動力(li)(li)(li)消耗(hao)、濾水(shui)率(lv)、生(sheng)產每噸紙(zhi)(zhi)(zhi)(zhi)的運行費用(yong)來考慮，在聚(ju)酯成(cheng)(cheng)(cheng)(cheng)(cheng)型(xing)網(wang)(wang)(wang)(wang)(wang)(wang)使(shi)用(yong)過程中，根據以(yi)上(shang)(shang)三個(ge)因(yin)(yin)(yin)素(su)(su)正(zheng)確判斷網(wang)(wang)(wang)(wang)(wang)(wang)的使(shi)用(yong)壽(shou)命(ming)(ming)(ming)，有(you)(you)利(li)于(yu)有(you)(you)計(ji)劃(hua)的組織生(sheng)產。聚(ju)脂網(wang)(wang)(wang)(wang)(wang)(wang)聚(ju)脂網(wang)(wang)(wang)(wang)(wang)(wang)清洗(xi)(xi)(xi)注意(yi)事項聚(ju)脂網(wang)(wang)(wang)(wang)(wang)(wang)的使(shi)用(yong)溫度(du)不(bu)(bu)得超(chao)過150度(du)，單(dan)層成(cheng)(cheng)(cheng)(cheng)(cheng)型(xing)網(wang)(wang)(wang)(wang)(wang)(wang)張力(li)(li)(li)控制(zhi)在40-50N/cm，雙層以(yi)上(shang)(shang)成(cheng)(cheng)(cheng)(cheng)(cheng)型(xing)網(wang)(wang)(wang)(wang)(wang)(wang)張力(li)(li)(li)控制(zhi)在60-70N/cm，干網(wang)(wang)(wang)(wang)(wang)(wang)張力(li)(li)(li)控制(zhi)在15N-25N/CM。由于(yu)聚(ju)脂網(wang)(wang)(wang)(wang)(wang)(wang)原材料(liao)的特殊性(xing)，清洗(xi)(xi)(xi)聚(ju)酯網(wang)(wang)(wang)(wang)(wang)(wang)時要注意(yi)清洗(xi)(xi)(xi)劑的科學使(shi)用(yong)，化(hua)學清洗(xi)(xi)(xi)劑一(yi)定要選用(yong)中性(xing)或者5%的冷堿液配合(he)軟毛刷刷洗(xi)(xi)(xi)，然后馬上(shang)(shang)用(yong)清水(shui)沖洗(xi)(xi)(xi)。

尼(ni)(ni)(ni)龍(long)(long)網(wang)(wang)(wang)是(shi)以尼(ni)(ni)(ni)龍(long)(long)絲(si)、錦(jin)(jin)(jin)綸(lun)絲(si)、滌綸(lun)絲(si)、納(na)綸(lun)絲(si)等(deng)化(hua)學纖維為原料(liao)，經(jing)絲(si)網(wang)(wang)(wang)機(ji)械加工(gong)而(er)(er)成的(de)(de)(de)化(hua)纖編織(zhi)網(wang)(wang)(wang)。錦(jin)(jin)(jin)倫有耐(nai)(nai)高溫耐(nai)(nai)堿之功能(neng)，聚乙(yi)(yi)烯(xi)(xi)有耐(nai)(nai)酸之功效,尼(ni)(ni)(ni)龍(long)(long)網(wang)(wang)(wang)是(shi)這些(xie)化(hua)纖編織(zhi)網(wang)(wang)(wang)的(de)(de)(de)總稱(cheng)(cheng)(cheng) 1、性(xing)(xing)能(neng)的(de)(de)(de)區(qu)別(bie)。聚乙(yi)(yi)烯(xi)(xi)(PE)化(hua)學性(xing)(xing)能(neng)穩定(ding)，通(tong)(tong)常(chang)(chang)制(zhi)作(zuo)食品袋及容(rong)器(qi)，耐(nai)(nai)酸、耐(nai)(nai)堿及鹽類(lei)水(shui)溶液的(de)(de)(de)侵蝕(shi)，但不宜用(yong)(yong)(yong)(yong)強堿性(xing)(xing)洗滌劑擦拭或浸泡。尼(ni)(ni)(ni)龍(long)(long)(PA)的(de)(de)(de)特性(xing)(xing)是(shi)堅韌、牢固、耐(nai)(nai)磨，常(chang)(chang)用(yong)(yong)(yong)(yong)于(yu)制(zhi)作(zuo)梳(shu)子、牙(ya)刷(shua)、衣鉤、扇骨、網(wang)(wang)(wang)袋繩、水(shui)果外包裝袋等(deng)，但不可長期與(yu)酸堿接觸。2、材(cai)質(zhi)(zhi)(zhi)的(de)(de)(de)區(qu)別(bie)。兩種產(chan)品材(cai)質(zhi)(zhi)(zhi)同(tong)(tong)屬(shu)于(yu)塑料(liao)，但是(shi)乙(yi)(yi)烯(xi)(xi)網(wang)(wang)(wang)材(cai)質(zhi)(zhi)(zhi)為高密度(du)乙(yi)(yi)烯(xi)(xi)(HDPE)，通(tong)(tong)常(chang)(chang)簡(jian)(jian)稱(cheng)(cheng)(cheng)為PE;尼(ni)(ni)(ni)龍(long)(long)網(wang)(wang)(wang)材(cai)質(zhi)(zhi)(zhi)為尼(ni)(ni)(ni)龍(long)(long)，英文名稱(cheng)(cheng)(cheng)為Nylon，簡(jian)(jian)稱(cheng)(cheng)(cheng)為PA，也(ye)叫做錦(jin)(jin)(jin)綸(lun)。從以上簡(jian)(jian)寫名稱(cheng)(cheng)(cheng)，就很(hen)容(rong)易知道：乙(yi)(yi)烯(xi)(xi)網(wang)(wang)(wang)和尼(ni)(ni)(ni)龍(long)(long)網(wang)(wang)(wang)是(shi)不同(tong)(tong)的(de)(de)(de)兩種材(cai)質(zhi)(zhi)(zhi)，通(tong)(tong)過(guo)拉絲(si)編織(zhi)而(er)(er)獲得的(de)(de)(de)絲(si)網(wang)(wang)(wang)產(chan)品。3、市(shi)面的(de)(de)(de)區(qu)別(bie)。市(shi)面上常(chang)(chang)見的(de)(de)(de)乙(yi)(yi)烯(xi)(xi)網(wang)(wang)(wang)，常(chang)(chang)用(yong)(yong)(yong)(yong)于(yu)作(zuo)為工(gong)業(ye)過(guo)濾(lv)網(wang)(wang)(wang)、民用(yong)(yong)(yong)(yong)窗(chuang)紗(sha)、蔬(shu)菜(cai)大(da)棚防(fang)蟲網(wang)(wang)(wang)等(deng)，用(yong)(yong)(yong)(yong)于(yu)窗(chuang)紗(sha)和蔬(shu)菜(cai)防(fang)蟲網(wang)(wang)(wang)，可以使用(yong)(yong)(yong)(yong)多種顏色(se)(se)(se)，如(ru)(ru)：白色(se)(se)(se)、綠色(se)(se)(se)、灰色(se)(se)(se)、藍色(se)(se)(se)、黑色(se)(se)(se)等(deng)，都可以根據客戶要求定(ding)做。而(er)(er)市(shi)場上常(chang)(chang)見的(de)(de)(de)與(yu)乙(yi)(yi)烯(xi)(xi)網(wang)(wang)(wang)目數接近的(de)(de)(de)工(gong)業(ye)尼(ni)(ni)(ni)龍(long)(long)網(wang)(wang)(wang)，通(tong)(tong)常(chang)(chang)就是(shi)本色(se)(se)(se)，也(ye)就是(shi)白色(se)(se)(se)。很(hen)多染色(se)(se)(se)的(de)(de)(de)尼(ni)(ni)(ni)龍(long)(long)網(wang)(wang)(wang)、尼(ni)(ni)(ni)龍(long)(long)布應用(yong)(yong)(yong)(yong)于(yu)制(zhi)作(zuo)服(fu)飾等(deng)，例(li)如(ru)(ru)常(chang)(chang)用(yong)(yong)(yong)(yong)的(de)(de)(de)尼(ni)(ni)(ni)龍(long)(long)背包等(deng)

聚酯(PET)發明于1944年，1949年率先在英國實現工業化生產，因其有優良的服用和高強度等性能，宿遷優質聚酯網簾成為合成纖維中產量最大的品種。聚酯在20世紀70年代以前一直保持高速發展，其生產增長率為:1960年200%、1965年50%、1970年60%，此后增速減緩并呈周期性發展趨勢，1975年增速為30%、1982年為10%、1987年為12.6%、1992年為6%、1999年為4.3%、2001年為4.8%，預計2004年為8%。優質聚酯網簾輸送帶上個世(shi)(shi)紀90年(nian)(nian)(nian)代后，聚(ju)(ju)(ju)(ju)酯(zhi)(zhi)(zhi)(zhi)(zhi)工(gong)(gong)業的(de)(de)(de)發(fa)(fa)(fa)(fa)(fa)(fa)展(zhan)重心(xin)開始轉向亞洲，至(zhi)90年(nian)(nian)(nian)代中期，因產(chan)(chan)(chan)能(neng)(neng)擴充過多，除中國外已出(chu)(chu)現供大(da)(da)于(yu)求的(de)(de)(de)局面。到(dao)1999年(nian)(nian)(nian)，聚(ju)(ju)(ju)(ju)酯(zhi)(zhi)(zhi)(zhi)(zhi)工(gong)(gong)業又迎來新(xin)的(de)(de)(de)發(fa)(fa)(fa)(fa)(fa)(fa)展(zhan)階段，主要由(you)于(yu)瓶用(yong)(yong)(yong)(yong)(yong)和(he)膜(mo)用(yong)(yong)(yong)(yong)(yong)、復合等(deng)非(fei)纖用(yong)(yong)(yong)(yong)(yong)聚(ju)(ju)(ju)(ju)酯(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)用(yong)(yong)(yong)(yong)(yong)量(liang)增(zeng)加，衣用(yong)(yong)(yong)(yong)(yong)滌綸(lun)需求也(ye)達到(dao)高(gao)(gao)峰。據聚(ju)(ju)(ju)(ju)酯(zhi)(zhi)(zhi)(zhi)(zhi)世(shi)(shi)界大(da)(da)會分(fen)析，從1999～2005年(nian)(nian)(nian)，聚(ju)(ju)(ju)(ju)酯(zhi)(zhi)(zhi)(zhi)(zhi)產(chan)(chan)(chan)能(neng)(neng)還可(ke)以增(zeng)長33～40%，年(nian)(nian)(nian)均增(zeng)長率(lv)為6.6～8%。從2000年(nian)(nian)(nian)開始，世(shi)(shi)界聚(ju)(ju)(ju)(ju)酯(zhi)(zhi)(zhi)(zhi)(zhi)工(gong)(gong)業又進入(ru)新(xin)一輪的(de)(de)(de)快速(su)發(fa)(fa)(fa)(fa)(fa)(fa)展(zhan)期。聚(ju)(ju)(ju)(ju)脂(zhi)網在聚(ju)(ju)(ju)(ju)酯(zhi)(zhi)(zhi)(zhi)(zhi)產(chan)(chan)(chan)品(pin)上，非(fei)纖聚(ju)(ju)(ju)(ju)酯(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)發(fa)(fa)(fa)(fa)(fa)(fa)展(zhan)速(su)度很(hen)快。1996年(nian)(nian)(nian)，世(shi)(shi)界聚(ju)(ju)(ju)(ju)酯(zhi)(zhi)(zhi)(zhi)(zhi)包(bao)(bao)裝(zhuang)樹(shu)脂(zhi)和(he)薄膜(mo)產(chan)(chan)(chan)量(liang)分(fen)別(bie)為451.9萬(wan)噸(dun)和(he)138.2萬(wan)噸(dun)，占(zhan)世(shi)(shi)界聚(ju)(ju)(ju)(ju)酯(zhi)(zhi)(zhi)(zhi)(zhi)總(zong)(zong)產(chan)(chan)(chan)量(liang)的(de)(de)(de)20.7%和(he)6.3%，1998年(nian)(nian)(nian)則分(fen)別(bie)為699.5萬(wan)噸(dun)和(he)163.1萬(wan)噸(dun)，占(zhan)世(shi)(shi)界聚(ju)(ju)(ju)(ju)酯(zhi)(zhi)(zhi)(zhi)(zhi)總(zong)(zong)產(chan)(chan)(chan)量(liang)的(de)(de)(de)24.6%和(he)5.7%。2000年(nian)(nian)(nian)分(fen)別(bie)達到(dao)823.6萬(wan)噸(dun)和(he)176.9萬(wan)噸(dun)，年(nian)(nian)(nian)均增(zeng)長率(lv)分(fen)別(bie)為17.6%和(he)6.2%，各占(zhan)世(shi)(shi)界聚(ju)(ju)(ju)(ju)酯(zhi)(zhi)(zhi)(zhi)(zhi)總(zong)(zong)產(chan)(chan)(chan)量(liang)的(de)(de)(de)26.0%和(he)5.59%。預計到(dao)2003年(nian)(nian)(nian)，非(fei)纖聚(ju)(ju)(ju)(ju)酯(zhi)(zhi)(zhi)(zhi)(zhi)產(chan)(chan)(chan)量(liang)約(yue)占(zhan)聚(ju)(ju)(ju)(ju)酯(zhi)(zhi)(zhi)(zhi)(zhi)總(zong)(zong)產(chan)(chan)(chan)量(liang)的(de)(de)(de)1/3。聚(ju)(ju)(ju)(ju)脂(zhi)網聚(ju)(ju)(ju)(ju)脂(zhi)網PET的(de)(de)(de)用(yong)(yong)(yong)(yong)(yong)途不(bu)再主要局限于(yu)纖維(wei)，而是(shi)進一步拓展(zhan)到(dao)各類容器、包(bao)(bao)裝(zhuang)材(cai)(cai)料(liao)、薄膜(mo)、膠片、工(gong)(gong)程塑(su)料(liao)等(deng)領域，目前，PET正在越(yue)來越(yue)多地取代鋁、玻璃(li)、陶瓷(ci)、紙張、木(mu)材(cai)(cai)、鋼(gang)鐵和(he)其他合成材(cai)(cai)料(liao)，聚(ju)(ju)(ju)(ju)酯(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)家庭也(ye)在持續擴大(da)(da)。發(fa)(fa)(fa)(fa)(fa)(fa)泡(pao)PET:近年(nian)(nian)(nian)來不(bu)斷探索PET的(de)(de)(de)新(xin)用(yong)(yong)(yong)(yong)(yong)途，PET擠出(chu)(chu)發(fa)(fa)(fa)(fa)(fa)(fa)泡(pao)工(gong)(gong)藝及(ji)其應用(yong)(yong)(yong)(yong)(yong)逐漸引起關(guan)注，在包(bao)(bao)裝(zhuang)材(cai)(cai)料(liao)及(ji)許多需要較高(gao)(gao)溫度的(de)(de)(de)應用(yong)(yong)(yong)(yong)(yong)上，PET發(fa)(fa)(fa)(fa)(fa)(fa)泡(pao)體有(you)(you)(you)突出(chu)(chu)的(de)(de)(de)性(xing)能(neng)(neng)。采用(yong)(yong)(yong)(yong)(yong)發(fa)(fa)(fa)(fa)(fa)(fa)泡(pao)的(de)(de)(de)方式可(ke)減(jian)輕聚(ju)(ju)(ju)(ju)酯(zhi)(zhi)(zhi)(zhi)(zhi)材(cai)(cai)料(liao)的(de)(de)(de)質量(liang)，可(ke)節省成本，發(fa)(fa)(fa)(fa)(fa)(fa)泡(pao)產(chan)(chan)(chan)品(pin)比未發(fa)(fa)(fa)(fa)(fa)(fa)泡(pao)產(chan)(chan)(chan)品(pin)有(you)(you)(you)更好(hao)的(de)(de)(de)熱(re)絕緣性(xing)能(neng)(neng)。發(fa)(fa)(fa)(fa)(fa)(fa)泡(pao)PET還具有(you)(you)(you)極好(hao)的(de)(de)(de)耐熱(re)性(xing)能(neng)(neng)，并且(qie)經發(fa)(fa)(fa)(fa)(fa)(fa)泡(pao)后的(de)(de)(de)PET板(ban)(ban)具有(you)(you)(you)優異的(de)(de)(de)性(xing)能(neng)(neng)成本比，再加上PET本身就具有(you)(you)(you)耐油、耐化學腐蝕性(xing)、易回收等(deng)優異性(xing)能(neng)(neng)，符合食品(pin)衛(wei)生要求，因此(ci)發(fa)(fa)(fa)(fa)(fa)(fa)泡(pao)在食品(pin)包(bao)(bao)裝(zhuang)、微(wei)波容器、冰箱內板(ban)(ban)、屋頂絕熱(re)、電(dian)(dian)線絕緣、微(wei)電(dian)(dian)子電(dian)(dian)路(lu)板(ban)(ban)絕緣、運動器材(cai)(cai)、汽車、航(hang)天工(gong)(gong)業等(deng)方面將有(you)(you)(you)很(hen)大(da)(da)的(de)(de)(de)市(shi)場。PET工(gong)(gong)程塑(su)料(liao):PET具有(you)(you)(you)良(liang)好(hao)的(de)(de)(de)力學性(xing)能(neng)(neng)、電(dian)(dian)絕緣性(xing)、耐化學藥品(pin)性(xing)、耐蠕變性(xing)能(neng)(neng)、耐疲勞性(xing)能(neng)(neng)及(ji)耐磨(mo)擦性(xing)能(neng)(neng)等(deng)，其缺點(dian)是(shi)結(jie)晶速(su)率(lv)低、抗(kang)沖擊能(neng)(neng)力差。國內外工(gong)(gong)作(zuo)者對其進行(xing)大(da)(da)量(liang)的(de)(de)(de)研(yan)究工(gong)(gong)作(zuo)，研(yan)制出(chu)(chu)了可(ke)用(yong)(yong)(yong)(yong)(yong)于(yu)轎(jiao)車用(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)PET工(gong)(gong)程塑(su)料(liao)，也(ye)可(ke)作(zuo)為工(gong)(gong)程塑(su)料(liao)用(yong)(yong)(yong)(yong)(yong)于(yu)電(dian)(dian)子、電(dian)(dian)器領域，如儀(yi)表殼、熱(re)風(feng)口(kou)罩等(deng)。

1、整體(ti)情況根據(ju)歷(li)史(shi)的(de)(de)記(ji)載，造(zao)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)屬于(yu)(yu)(yu)中(zhong)(zhong)(zhong)華民族的(de)(de)四大(da)(da)發明之一，有(you)著光榮歷(li)史(shi)傳(chuan)承(cheng)的(de)(de)，自(zi)然(ran)也就(jiu)(jiu)有(you)必(bi)要說(shuo)(shuo)說(shuo)(shuo)了(le)(le)。對(dui)(dui)(dui)于(yu)(yu)(yu)造(zao)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)這樣的(de)(de)工(gong)業(ye)(ye)(ye)(ye)品(pin)(pin)來說(shuo)(shuo)，依(yi)(yi)舊離不開(kai)價(jia)(jia)格(ge)(ge)的(de)(de)變動，原(yuan)材料價(jia)(jia)格(ge)(ge)上(shang)漲或下跌，紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)價(jia)(jia)格(ge)(ge)的(de)(de)漲跌，下游需(xu)求(qiu)的(de)(de)增(zeng)(zeng)減，在這個傳(chuan)導機制中(zhong)(zhong)(zhong)尋求(qiu)一種平(ping)衡。空(kong)說(shuo)(shuo)無憑，數據(ju)為(wei)證(zheng)，受環保(bao)(bao)政策趨(qu)嚴和貿(mao)易(yi)戰的(de)(de)雙(shuang)重影(ying)響(xiang)，過去(qu)的(de)(de)9月(yue)(yue)份，旺季不旺，對(dui)(dui)(dui)后市行情偏(pian)謹慎的(de)(de)態度。箱板紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)均價(jia)(jia)5，361元(yuan)/噸(dun)，同(tong)比(bi)(bi)下降10.45%；瓦楞紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)均價(jia)(jia)4，749元(yuan)/噸(dun)，同(tong)比(bi)(bi)下降17.75%；國(guo)(guo)內廢紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)均價(jia)(jia)2，669元(yuan)/噸(dun)，同(tong)比(bi)(bi)增(zeng)(zeng)長13.69%；進(jin)(jin)(jin)口(kou)(kou)(kou)(kou)廢紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)均價(jia)(jia)275美(mei)(mei)元(yuan)/噸(dun)，同(tong)比(bi)(bi)增(zeng)(zeng)長38.09%。造(zao)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)聚脂網2、產(chan)(chan)業(ye)(ye)(ye)(ye)鏈(lian)圖造(zao)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)是古代(dai)中(zhong)(zhong)(zhong)國(guo)(guo)勞動人民的(de)(de)重要發明。分(fen)(fen)有(you)機制和手工(gong)兩種形式，因(yin)為(wei)生(sheng)產(chan)(chan)工(gong)藝的(de)(de)不同(tong)，造(zao)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)產(chan)(chan)業(ye)(ye)(ye)(ye)鏈(lian)自(zi)上(shang)而(er)(er)下，分(fen)(fen)成兩類：上(shang)游為(wei)植物(wu)制漿(jiang)和廢紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)制漿(jiang)，分(fen)(fen)別取自(zi)于(yu)(yu)(yu)木(mu)材、竹(zhu)子等和進(jin)(jin)(jin)口(kou)(kou)(kou)(kou)廢紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)、國(guo)(guo)內廢紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)等；中(zhong)(zhong)(zhong)游根據(ju)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)品(pin)(pin)的(de)(de)用戶，分(fen)(fen)為(wei)文化紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)、包(bao)裝紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)、生(sheng)活用紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)、特種紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)；更多的(de)(de)用于(yu)(yu)(yu)了(le)(le)產(chan)(chan)品(pin)(pin)，便是印刷(shua)、包(bao)裝等等。造(zao)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)聚脂網由于(yu)(yu)(yu)此前(qian)國(guo)(guo)際貿(mao)易(yi)和行業(ye)(ye)(ye)(ye)發展路徑，造(zao)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)行業(ye)(ye)(ye)(ye)對(dui)(dui)(dui)進(jin)(jin)(jin)口(kou)(kou)(kou)(kou)原(yuan)材料的(de)(de)依(yi)(yi)賴(lai)(lai)越來越大(da)(da)，尤其(qi)是對(dui)(dui)(dui)美(mei)(mei)，但(dan)我們也注意到，9月(yue)(yue)下旬美(mei)(mei)國(guo)(guo)對(dui)(dui)(dui)中(zhong)(zhong)(zhong)國(guo)(guo)新(xin)一輪商(shang)品(pin)(pin)加(jia)(jia)征(zheng)(zheng)(zheng)關(guan)稅(shui)(shui)落(luo)地，9月(yue)(yue)24日起對(dui)(dui)(dui)中(zhong)(zhong)(zhong)國(guo)(guo)2000億(yi)(yi)美(mei)(mei)元(yuan)商(shang)品(pin)(pin)加(jia)(jia)征(zheng)(zheng)(zheng)10%的(de)(de)關(guan)稅(shui)(shui)，到年(nian)(nian)底稅(shui)(shui)率提升至25%，加(jia)(jia)征(zheng)(zheng)(zheng)范圍涉及(ji)(ji)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)及(ji)(ji)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)制品(pin)(pin)。作為(wei)反制，中(zhong)(zhong)(zhong)國(guo)(guo)同(tong)步(bu)對(dui)(dui)(dui)美(mei)(mei)國(guo)(guo)輸華600億(yi)(yi)美(mei)(mei)元(yuan)商(shang)品(pin)(pin)加(jia)(jia)征(zheng)(zheng)(zheng)關(guan)稅(shui)(shui)，其(qi)中(zhong)(zhong)(zhong)涉及(ji)(ji)對(dui)(dui)(dui)木(mu)漿(jiang)加(jia)(jia)征(zheng)(zheng)(zheng)5%的(de)(de)關(guan)稅(shui)(shui)，因(yin)我國(guo)(guo)木(mu)漿(jiang)依(yi)(yi)賴(lai)(lai)進(jin)(jin)(jin)口(kou)(kou)(kou)(kou)，美(mei)(mei)國(guo)(guo)木(mu)漿(jiang)進(jin)(jin)(jin)口(kou)(kou)(kou)(kou)量(liang)占全(quan)國(guo)(guo)總消費量(liang)約(yue)7%，故此舉(ju)也將(jiang)增(zeng)(zeng)大(da)(da)文化紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)生(sheng)產(chan)(chan)的(de)(de)成本(ben)(ben)壓(ya)力；結(jie)合8月(yue)(yue)23日我國(guo)(guo)對(dui)(dui)(dui)160億(yi)(yi)美(mei)(mei)元(yuan)自(zi)美(mei)(mei)進(jin)(jin)(jin)口(kou)(kou)(kou)(kou)產(chan)(chan)品(pin)(pin)加(jia)(jia)征(zheng)(zheng)(zheng)25%的(de)(de)關(guan)稅(shui)(shui)，涉及(ji)(ji)廢紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)原(yuan)料為(wei)包(bao)裝紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)主要成本(ben)(ben)項(xiang)，測算(suan)原(yuan)料成本(ben)(ben)提升55~83美(mei)(mei)元(yuan)/噸(dun)。造(zao)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)聚脂網考慮近期國(guo)(guo)產(chan)(chan)廢紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)與進(jin)(jin)(jin)口(kou)(kou)(kou)(kou)廢紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)二者價(jia)(jia)差已縮小，加(jia)(jia)征(zheng)(zheng)(zheng)關(guan)稅(shui)(shui)后進(jin)(jin)(jin)口(kou)(kou)(kou)(kou)廢紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)的(de)(de)成本(ben)(ben)優勢明顯削弱(ruo)，這將(jiang)不利擁有(you)更多進(jin)(jin)(jin)口(kou)(kou)(kou)(kou)配額的(de)(de)大(da)(da)型(xing)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)廠。整體(ti)看，中(zhong)(zhong)(zhong)美(mei)(mei)貿(mao)易(yi)摩擦再度加(jia)(jia)劇，對(dui)(dui)(dui)造(zao)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)業(ye)(ye)(ye)(ye)影(ying)響(xiang)偏(pian)負面，主要體(ti)現在需(xu)求(qiu)邊際減弱(ruo)與原(yuan)料成本(ben)(ben)的(de)(de)提升。3、產(chan)(chan)業(ye)(ye)(ye)(ye)鏈(lian)機會造(zao)紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)聚脂網從行業(ye)(ye)(ye)(ye)的(de)(de)成本(ben)(ben)變化來看，由于(yu)(yu)(yu)環保(bao)(bao)、自(zi)備電(dian)限(xian)制以及(ji)(ji)廢紙(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)進(jin)(jin)(jin)口(kou)(kou)(kou)(kou)限(xian)令等因(yin)素的(de)(de)影(ying)響(xiang)，今年(nian)(nian)行業(ye)(ye)(ye)(ye)的(de)(de)成本(ben)(ben)不斷走高，增(zeng)(zeng)速也基本(ben)(ben)高于(yu)(yu)(yu)去(qu)年(nian)(nian)同(tong)期，行業(ye)(ye)(ye)(ye)的(de)(de)銷售利潤率有(you)所下降，也就(jiu)(jiu)帶來了(le)(le)這樣的(de)(de)格(ge)(ge)局：大(da)(da)型(xing)企業(ye)(ye)(ye)(ye)通(tong)常投入大(da)(da)量(liang)資金進(jin)(jin)(jin)行環保(bao)(bao)治理，而(er)(er)小企業(ye)(ye)(ye)(ye)將(jiang)大(da)(da)部分(fen)(fen)被淘汰出局，行業(ye)(ye)(ye)(ye)集中(zhong)(zhong)(zhong)度有(you)望逐步(bu)提升。