聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)酯(zhi)，是(shi)由(you)(you)多元(yuan)醇(chun)(chun)和(he)(he)(he)多元(yuan)酸(suan)縮聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)而得的(de)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)合(he)物總(zong)稱。主要指聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)對(dui)(dui)(dui)(dui)苯(ben)二(er)甲(jia)酸(suan)乙(yi)二(er)酯(zhi)(PET),習慣上也(ye)包(bao)(bao)括(kuo)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)對(dui)(dui)(dui)(dui)苯(ben)二(er)甲(jia)酸(suan)丁(ding)二(er)酯(zhi) (PBT)和(he)(he)(he)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)芳酯(zhi)等線型熱塑(su)性(xing)(xing)(xing)樹(shu)脂(zhi)(zhi)。是(shi)一類性(xing)(xing)(xing)能(neng)優(you)異(yi)、用(yong)途廣泛的(de)工程塑(su)料。也(ye)可制(zhi)成(cheng)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)酯(zhi)纖(xian)(xian)(xian)(xian)維(wei)(wei)和(he)(he)(he)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)酯(zhi)薄(bo)膜聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)酯(zhi)包(bao)(bao)括(kuo)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)酯(zhi)樹(shu)脂(zhi)(zhi)和(he)(he)(he)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)酯(zhi)彈(dan)性(xing)(xing)(xing)體。聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)酯(zhi)樹(shu)脂(zhi)(zhi)又包(bao)(bao)括(kuo)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)對(dui)(dui)(dui)(dui)苯(ben)二(er)甲(jia)酸(suan)乙(yi)二(er)酯(zhi)(PET)、聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)對(dui)(dui)(dui)(dui)苯(ben)二(er)甲(jia)酸(suan)丁(ding)二(er)酯(zhi) (PBT)和(he)(he)(he)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)芳酯(zhi)（PAR）等。聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)酯(zhi)彈(dan)性(xing)(xing)(xing)體(TPEE)一般由(you)(you)對(dui)(dui)(dui)(dui)苯(ben)二(er)甲(jia)酸(suan)二(er)甲(jia)酯(zhi)、1,4-丁(ding)二(er)醇(chun)(chun)和(he)(he)(he)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)丁(ding)醇(chun)(chun)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)合(he)而成(cheng)，鏈段包(bao)(bao)括(kuo)硬段部分(fen)(fen)和(he)(he)(he)軟段部分(fen)(fen)，為熱塑(su)性(xing)(xing)(xing)彈(dan)性(xing)(xing)(xing)體。聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)酯(zhi)(PET）屬于高(gao)分(fen)(fen)子化(hua)合(he)物。是(shi)由(you)(you)對(dui)(dui)(dui)(dui)苯(ben)二(er)甲(jia)酸(suan)（PTA）和(he)(he)(he)乙(yi)二(er)醇(chun)(chun)（EG）經過(guo)縮聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)產(chan)生(sheng)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)對(dui)(dui)(dui)(dui)苯(ben)二(er)甲(jia)酸(suan)乙(yi)二(er)醇(chun)(chun)酯(zhi)（PET），其中(zhong)的(de)部分(fen)(fen)PET再(zai)通過(guo)水下切(qie)(qie)粒而最(zui)終生(sheng)成(cheng)。纖(xian)(xian)(xian)(xian)維(wei)(wei)級(ji)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)酯(zhi)切(qie)(qie)片(pian)用(yong)于制(zhi)造滌綸(lun)短纖(xian)(xian)(xian)(xian)維(wei)(wei)和(he)(he)(he)滌綸(lun)長絲，是(shi)供(gong)給滌綸(lun)纖(xian)(xian)(xian)(xian)維(wei)(wei)企業(ye)加(jia)工纖(xian)(xian)(xian)(xian)維(wei)(wei)及相(xiang)關(guan)產(chan)品的(de)原料，滌綸(lun)作為化(hua)纖(xian)(xian)(xian)(xian)中(zhong)產(chan)量最(zui)大的(de)品種，占據(ju)著化(hua)纖(xian)(xian)(xian)(xian)行業(ye)近80%的(de)市(shi)場(chang)份額(e)，因此(ci)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)酯(zhi)系列的(de)市(shi)場(chang)變(bian)化(hua)和(he)(he)(he)發展趨勢是(shi)化(hua)纖(xian)(xian)(xian)(xian)行業(ye)關(guan)注的(de)重(zhong)點(dian)。同時聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)酯(zhi)還有瓶(ping)類、薄(bo)膜等用(yong)途，廣泛應用(yong)于包(bao)(bao)裝(zhuang)業(ye)、電(dian)子電(dian)器、醫療(liao)衛生(sheng)、建筑、汽(qi)車等領(ling)域，其中(zhong)包(bao)(bao)裝(zhuang)是(shi)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)酯(zhi)最(zui)大的(de)非纖(xian)(xian)(xian)(xian)應用(yong)市(shi)場(chang)，同時也(ye)是(shi)PET增(zeng)長最(zui)快的(de)領(ling)域。可以說聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)酯(zhi)切(qie)(qie)片(pian)是(shi)連接石化(hua)產(chan)品和(he)(he)(he)多個行業(ye)產(chan)品的(de)一個重(zhong)要中(zhong)間產(chan)品。

尼龍網簡介是以尼龍絲、錦綸絲、滌綸絲、納綸絲等化學纖維為原料，經絲網機械加工而成的化纖編織網,鎮江優質污泥脫水濾帶錦倫有耐高溫耐堿之功能，聚乙烯有耐酸之功效,尼龍網是這些化纖編織網的總稱。優質污泥脫水濾帶網帶尼(ni)(ni)(ni)龍(long)網(wang)(wang)(wang)(wang)包(bao)括：（尼(ni)(ni)(ni)龍(long)混紡、）錦(jin)綸(lun)(lun)(lun)網(wang)(wang)(wang)(wang)、聚(ju)(ju)乙烯(xi)網(wang)(wang)(wang)(wang)、遮陽網(wang)(wang)(wang)(wang)。尼(ni)(ni)(ni)龍(long)網(wang)(wang)(wang)(wang)包(bao)括：（尼(ni)(ni)(ni)龍(long)混紡、）錦(jin)綸(lun)(lun)(lun)網(wang)(wang)(wang)(wang)、聚(ju)(ju)乙烯(xi)網(wang)(wang)(wang)(wang)、遮陽網(wang)(wang)(wang)(wang)，廣(guang)泛用(yong)于(yu)植(zhi)物遮陽、海水養殖、面(mian)粉加(jia)工(gong)(gong)、尼(ni)(ni)(ni)龍(long)絲(si)(si)(si)(si)(si)網(wang)(wang)(wang)(wang)印(yin)刷(shua)、制藥、油(you)漆過(guo)濾、打井包(bao)管等(deng)廣(guang)泛使(shi)用(yong)，錦(jin)倫有(you)(you)耐(nai)高溫耐(nai)堿(jian)之(zhi)功(gong)(gong)能，聚(ju)(ju)乙烯(xi)有(you)(you)耐(nai)酸之(zhi)功(gong)(gong)效(xiao)，各有(you)(you)千秋歡迎選(xuan)購。河南造(zao)紙(zhi)網(wang)(wang)(wang)(wang)材質尼(ni)(ni)(ni)龍(long)1010、尼(ni)(ni)(ni)龍(long)66、錦(jin)綸(lun)(lun)(lun)絲(si)(si)(si)(si)(si)、滌(di)(di)綸(lun)(lun)(lun)絲(si)(si)(si)(si)(si)、納綸(lun)(lun)(lun)絲(si)(si)(si)(si)(si)、聚(ju)(ju)乙烯(xi)絲(si)(si)(si)(si)(si)等(deng)。分(fen)類尼(ni)(ni)(ni)龍(long)網(wang)(wang)(wang)(wang)、錦(jin)綸(lun)(lun)(lun)網(wang)(wang)(wang)(wang)、滌(di)(di)綸(lun)(lun)(lun)網(wang)(wang)(wang)(wang)、納綸(lun)(lun)(lun)網(wang)(wang)(wang)(wang)、聚(ju)(ju)乙烯(xi)網(wang)(wang)(wang)(wang)。編織一般為平紋編織和(he)(he)半絞織、全絞織。河南造(zao)紙(zhi)網(wang)(wang)(wang)(wang)河南造(zao)紙(zhi)網(wang)(wang)(wang)(wang)特點尼(ni)(ni)(ni)龍(long)網(wang)(wang)(wang)(wang)具有(you)(you)韌性(xing)高、彈性(xing)好(hao)、耐(nai)腐蝕(shi)、耐(nai)油(you)、耐(nai)水、耐(nai)磨(mo)、耐(nai)高溫、耐(nai)候性(xing)等(deng)特點；還(huan)具有(you)(you)絕緣性(xing)好(hao)、潤滑系數(shu)低等(deng)特性(xing)。用(yong)途廣(guang)泛用(yong)于(yu)工(gong)(gong)業(ye)過(guo)濾、石油(you)、化(hua)工(gong)(gong)、印(yin)刷(shua)等(deng)產(chan)品(pin)規格(ge)(ge)齊(qi)全，質量優良，特殊規格(ge)(ge)可加(jia)工(gong)(gong)定(ding)(ding)做。以(yi)及絲(si)(si)(si)(si)(si)網(wang)(wang)(wang)(wang)印(yin)刷(shua)、油(you)漆過(guo)濾、漁業(ye)捕撈等(deng)行業(ye)。錦(jin)綸(lun)(lun)(lun)網(wang)(wang)(wang)(wang)有(you)(you)耐(nai)高溫、耐(nai)堿(jian)之(zhi)功(gong)(gong)效(xiao)，聚(ju)(ju)乙烯(xi)網(wang)(wang)(wang)(wang)有(you)(you)耐(nai)酸之(zhi)功(gong)(gong)效(xiao)，各有(you)(you)千秋。規格(ge)(ge)編織網(wang)(wang)(wang)(wang)的(de)規格(ge)(ge)主要是(shi)(shi)目數(shu)、絲(si)(si)(si)(si)(si)徑、孔徑、幅寬(kuan)等(deng)，尼(ni)(ni)(ni)龍(long)網(wang)(wang)(wang)(wang)由于(yu)種類繁多、用(yong)途各異，所(suo)以(yi)規格(ge)(ge)也(ye)就(jiu)不盡相同，一般來講用(yong)于(yu)篩(shai)分(fen)過(guo)濾的(de)目數(shu)有(you)(you)60目—420目，絲(si)(si)(si)(si)(si)徑與網(wang)(wang)(wang)(wang)孔之(zhi)間都有(you)(you)相對應的(de)比值參數(shu)，孔徑愈(yu)(yu)小(xiao)絲(si)(si)(si)(si)(si)徑愈(yu)(yu)小(xiao)；用(yong)于(yu)漁業(ye)捕撈的(de)網(wang)(wang)(wang)(wang)孔就(jiu)大一些。檢驗(yan)按(an)照國(guo)標GB/T14014—1992《蠶絲(si)(si)(si)(si)(si)、合(he)(he)成纖維篩(shai)網(wang)(wang)(wang)(wang)》和(he)(he)FZ66205—1995《特種工(gong)(gong)業(ye)用(yong)錦(jin)絲(si)(si)(si)(si)(si)篩(shai)網(wang)(wang)(wang)(wang)》的(de)技(ji)術要求(qiu)和(he)(he)檢驗(yan)規則進行生(sheng)產(chan)和(he)(he)檢驗(yan)。尼(ni)(ni)(ni)龍(long)網(wang)(wang)(wang)(wang)的(de)檢驗(yan)主要看，網(wang)(wang)(wang)(wang)孔目數(shu)是(shi)(shi)不是(shi)(shi)精準、加(jia)工(gong)(gong)精度、網(wang)(wang)(wang)(wang)面(mian)疵(ci)點、大網(wang)(wang)(wang)(wang)孔數(shu)量、絲(si)(si)(si)(si)(si)徑等(deng)是(shi)(shi)不是(shi)(shi)符合(he)(he)規定(ding)(ding)。

世界聚(ju)(ju)(ju)(ju)酯(zhi)裝(zhuang)(zhuang)置正向更大(da)(da)(da)經濟規(gui)(gui)模(mo)方向發(fa)展。單系(xi)(xi)列(lie)生(sheng)(sheng)產(chan)能力(li)(li)已由20世紀80年(nian)代的(de)(de)(de)(de)100噸(dun)(dun)(dun)/天(tian)(tian)、200噸(dun)(dun)(dun)/天(tian)(tian)提(ti)高(gao)(gao)(gao)到(dao)(dao)90年(nian)代的(de)(de)(de)(de)300噸(dun)(dun)(dun)/天(tian)(tian)、400噸(dun)(dun)(dun)/天(tian)(tian)、480噸(dun)(dun)(dun)/天(tian)(tian)、600噸(dun)(dun)(dun)/天(tian)(tian)。目前(qian)世界前(qian)30家聚(ju)(ju)(ju)(ju)酯(zhi)生(sheng)(sheng)產(chan)廠(chang)家的(de)(de)(de)(de)平均產(chan)能達(da)到(dao)(dao)36萬噸(dun)(dun)(dun)/年(nian)，規(gui)(gui)模(mo)最大(da)(da)(da)的(de)(de)(de)(de)杜邦公司已達(da)140萬噸(dun)(dun)(dun)/年(nian)。聚(ju)(ju)(ju)(ju)酯(zhi)工(gong)(gong)(gong)(gong)藝(yi)(yi)(yi)路線(xian)有直(zhi)接酯(zhi)化法(fa)(fa)(PTA法(fa)(fa))和(he)酯(zhi)交換(huan)法(fa)(fa)(DMT法(fa)(fa))。PTA法(fa)(fa)具有原(yuan)料消耗(hao)低(di)、反(fan)(fan)應(ying)(ying)(ying)時間(jian)(jian)短等(deng)優勢，自(zi)80年(nian)代起己成(cheng)為(wei)聚(ju)(ju)(ju)(ju)酯(zhi)的(de)(de)(de)(de)主(zhu)(zhu)要(yao)(yao)工(gong)(gong)(gong)(gong)藝(yi)(yi)(yi)和(he)首(shou)選技術路線(xian)。大(da)(da)(da)規(gui)(gui)模(mo)生(sheng)(sheng)產(chan)線(xian)的(de)(de)(de)(de)為(wei)連續(xu)(xu)生(sheng)(sheng)產(chan)工(gong)(gong)(gong)(gong)藝(yi)(yi)(yi)，半連續(xu)(xu)及(ji)間(jian)(jian)歇(xie)生(sheng)(sheng)產(chan)工(gong)(gong)(gong)(gong)藝(yi)(yi)(yi)則適合中(zhong)、小(xiao)(xiao)型多(duo)種(zhong)生(sheng)(sheng)產(chan)裝(zhuang)(zhuang)置。PTA法(fa)(fa)連續(xu)(xu)工(gong)(gong)(gong)(gong)藝(yi)(yi)(yi)主(zhu)(zhu)要(yao)(yao)有德國(guo)吉(Zimmer)公司、美(mei)國(guo)杜邦公司、瑞士伊文(wen)(wen)達(da)(Inventa)公司和(he)日本(ben)鐘紡(fang)(Konebo)公司等(deng)幾(ji)家技術。其中(zhong)吉瑪、伊文(wen)(wen)達(da)、鐘紡(fang)技術為(wei)5釜(fu)(fu)流(liu)(liu)程(cheng)(cheng)(cheng)，杜邦則開(kai)發(fa)了(le)3釜(fu)(fu)流(liu)(liu)程(cheng)(cheng)(cheng)(目前(qian)正在(zai)開(kai)發(fa)2釜(fu)(fu)流(liu)(liu)程(cheng)(cheng)(cheng))，兩者縮聚(ju)(ju)(ju)(ju)工(gong)(gong)(gong)(gong)藝(yi)(yi)(yi)基本(ben)相(xiang)似，區別在(zai)于(yu)(yu)(yu)(yu)酯(zhi)化工(gong)(gong)(gong)(gong)藝(yi)(yi)(yi)。如(ru)5釜(fu)(fu)流(liu)(liu)程(cheng)(cheng)(cheng)采用(yong)(yong)(yong)較(jiao)(jiao)(jiao)低(di)溫(wen)(wen)度(du)(du)(du)(du)(du)及(ji)壓力(li)(li)酯(zhi)化，而3釜(fu)(fu)流(liu)(liu)程(cheng)(cheng)(cheng)則采用(yong)(yong)(yong)高(gao)(gao)(gao)乙(yi)(yi)二(er)醇(chun)(chun)(EG)/PTA摩(mo)爾比和(he)較(jiao)(jiao)(jiao)高(gao)(gao)(gao)的(de)(de)(de)(de)酯(zhi)化溫(wen)(wen)度(du)(du)(du)(du)(du)，以強化反(fan)(fan)應(ying)(ying)(ying)條件(jian)，加(jia)快反(fan)(fan)應(ying)(ying)(ying)速(su)度(du)(du)(du)(du)(du)，縮短反(fan)(fan)應(ying)(ying)(ying)時間(jian)(jian)。總的(de)(de)(de)(de)反(fan)(fan)應(ying)(ying)(ying)時間(jian)(jian)為(wei)5釜(fu)(fu)流(liu)(liu)程(cheng)(cheng)(cheng)10小(xiao)(xiao)保?釜(fu)(fu)流(liu)(liu)程(cheng)(cheng)(cheng)3.5小(xiao)(xiao)時。目前(qian)世界大(da)(da)(da)型聚(ju)(ju)(ju)(ju)酯(zhi)公司都采用(yong)(yong)(yong)集散型(DCS)控制系(xi)(xi)統進(jin)(jin)行(xing)(xing)生(sheng)(sheng)產(chan)控制和(he)管理，并對全流(liu)(liu)程(cheng)(cheng)(cheng)或(huo)(huo)單釜(fu)(fu)流(liu)(liu)程(cheng)(cheng)(cheng)進(jin)(jin)行(xing)(xing)仿真計算。2003年(nian)初(chu)，伊文(wen)(wen)達(da)-費(fei)希爾(Inventa-Fisher)(I-F)公司公布了(le)其聚(ju)(ju)(ju)(ju)酯(zhi)生(sheng)(sheng)產(chan)流(liu)(liu)程(cheng)(cheng)(cheng)和(he)能耗(hao)。該(gai)工(gong)(gong)(gong)(gong)藝(yi)(yi)(yi)從PTA或(huo)(huo)DMT與乙(yi)(yi)二(er)醇(chun)(chun)(EG)反(fan)(fan)應(ying)(ying)(ying)生(sheng)(sheng)產(chan)樹脂級(ji)或(huo)(huo)紡(fang)織級(ji)聚(ju)(ju)(ju)(ju)酯(zhi)。采用(yong)(yong)(yong)4釜(fu)(fu)(4R)工(gong)(gong)(gong)(gong)藝(yi)(yi)(yi)，由PTA和(he)EG或(huo)(huo)熔融DMT和(he)EG組成(cheng)的(de)(de)(de)(de)漿液(ye)，進(jin)(jin)入第(di)一(yi)酯(zhi)化/酯(zhi)交換(huan)反(fan)(fan)應(ying)(ying)(ying)器(qi)，反(fan)(fan)應(ying)(ying)(ying)在(zai)較(jiao)(jiao)(jiao)高(gao)(gao)(gao)壓力(li)(li)和(he)溫(wen)(wen)度(du)(du)(du)(du)(du)(200～270℃)下進(jin)(jin)行(xing)(xing)，生(sheng)(sheng)成(cheng)的(de)(de)(de)(de)低(di)聚(ju)(ju)(ju)(ju)物(wu)進(jin)(jin)入第(di)二(er)串級(ji)攪拌式反(fan)(fan)應(ying)(ying)(ying)器(qi)，在(zai)較(jiao)(jiao)(jiao)低(di)壓力(li)(li)和(he)較(jiao)(jiao)(jiao)高(gao)(gao)(gao)溫(wen)(wen)度(du)(du)(du)(du)(du)下進(jin)(jin)行(xing)(xing)反(fan)(fan)應(ying)(ying)(ying)，反(fan)(fan)應(ying)(ying)(ying)轉化率(lv)大(da)(da)(da)于(yu)(yu)(yu)(yu)97%。然后(hou)在(zai)低(di)于(yu)(yu)(yu)(yu)常壓和(he)較(jiao)(jiao)(jiao)高(gao)(gao)(gao)溫(wen)(wen)度(du)(du)(du)(du)(du)下，藉第(di)3臺(tai)串級(ji)反(fan)(fan)應(ying)(ying)(ying)器(qi)預聚(ju)(ju)(ju)(ju)合，縮聚(ju)(ju)(ju)(ju)程(cheng)(cheng)(cheng)度(du)(du)(du)(du)(du)大(da)(da)(da)于(yu)(yu)(yu)(yu)20，經第(di)4臺(tai)DISCAGE精制器(qi)后(hou)，使最終縮聚(ju)(ju)(ju)(ju)物(wu)的(de)(de)(de)(de)特(te)性(i.V.)提(ti)高(gao)(gao)(gao)到(dao)(dao)0.9。能耗(hao)為(wei)：電力(li)(li)55.0 kwh/t，燃料油61.0kg/t，氮(dan)0.8m3/t，空氣9.0m3/t。采用(yong)(yong)(yong)該(gai)工(gong)(gong)(gong)(gong)藝(yi)(yi)(yi)已建有50多(duo)套裝(zhuang)(zhuang)置，其中(zhong)13條生(sheng)(sheng)產(chan)線(xian)能力(li)(li)為(wei)100～700噸(dun)(dun)(dun)/天(tian)(tian)。現(xian)已有單系(xi)(xi)列(lie)700噸(dun)(dun)(dun)/天(tian)(tian)生(sheng)(sheng)產(chan)線(xian)投運。用(yong)(yong)(yong)于(yu)(yu)(yu)(yu)聚(ju)(ju)(ju)(ju)酯(zhi)生(sheng)(sheng)產(chan)縮聚(ju)(ju)(ju)(ju)反(fan)(fan)應(ying)(ying)(ying)的(de)(de)(de)(de)催(cui)化劑種(zhong)類繁多(duo)，主(zhu)(zhu)要(yao)(yao)有銻系(xi)(xi)、鍺(zang)系(xi)(xi)、鈦系(xi)(xi)、錫系(xi)(xi)等(deng)。由于(yu)(yu)(yu)(yu)銻系(xi)(xi)催(cui)化劑在(zai)縮聚(ju)(ju)(ju)(ju)過(guo)程(cheng)(cheng)(cheng)中(zhong)能大(da)(da)(da)大(da)(da)(da)促(cu)進(jin)(jin)縮聚(ju)(ju)(ju)(ju)反(fan)(fan)應(ying)(ying)(ying)，而對熱(re)降解反(fan)(fan)應(ying)(ying)(ying)的(de)(de)(de)(de)促(cu)進(jin)(jin)程(cheng)(cheng)(cheng)度(du)(du)(du)(du)(du)較(jiao)(jiao)(jiao)小(xiao)(xiao)，因此(ci)目前(qian)聚(ju)(ju)(ju)(ju)酯(zhi)工(gong)(gong)(gong)(gong)業普(pu)遍采用(yong)(yong)(yong)銻系(xi)(xi)催(cui)化劑，主(zhu)(zhu)要(yao)(yao)品種(zhong)有三(san)氧化二(er)銻、醋酸(suan)(suan)銻以及(ji)近年(nian)來開(kai)始受到(dao)(dao)廣泛關注的(de)(de)(de)(de)乙(yi)(yi)二(er)醇(chun)(chun)銻。此(ci)外，用(yong)(yong)(yong)于(yu)(yu)(yu)(yu)酯(zhi)交換(huan)反(fan)(fan)應(ying)(ying)(ying)的(de)(de)(de)(de)錳、鋅(xin)、鈣、鈷、鉛等(deng)金屬的(de)(de)(de)(de)醋酸(suan)(suan)鹽對縮聚(ju)(ju)(ju)(ju)反(fan)(fan)應(ying)(ying)(ying)也有一(yi)定的(de)(de)(de)(de)催(cui)化作用(yong)(yong)(yong)。

尼(ni)龍(long)(long)(long)(long)(long)網(wang)(wang)(wang)(wang)是(shi)以(yi)尼(ni)龍(long)(long)(long)(long)(long)絲(si)(si)、錦(jin)綸絲(si)(si)、滌綸絲(si)(si)、納綸絲(si)(si)等化(hua)學纖(xian)(xian)維為(wei)原(yuan)料(liao)，經絲(si)(si)網(wang)(wang)(wang)(wang)機械加工(gong)而成的(de)(de)化(hua)纖(xian)(xian)編(bian)織(zhi)網(wang)(wang)(wang)(wang)。錦(jin)倫有(you)耐(nai)高溫耐(nai)堿之功(gong)能，聚乙(yi)烯(xi)有(you)耐(nai)酸之功(gong)效,尼(ni)龍(long)(long)(long)(long)(long)網(wang)(wang)(wang)(wang)是(shi)這些化(hua)纖(xian)(xian)編(bian)織(zhi)網(wang)(wang)(wang)(wang)的(de)(de)總稱(cheng) 1、性(xing)(xing)能的(de)(de)區(qu)別(bie)。聚乙(yi)烯(xi)(PE)化(hua)學性(xing)(xing)能穩(wen)定(ding)，通常(chang)制(zhi)作(zuo)食品袋(dai)及容器，耐(nai)酸、耐(nai)堿及鹽(yan)類水(shui)溶液(ye)的(de)(de)侵蝕，但不(bu)宜用強堿性(xing)(xing)洗(xi)滌劑擦拭或(huo)浸(jin)泡。尼(ni)龍(long)(long)(long)(long)(long)(PA)的(de)(de)特性(xing)(xing)是(shi)堅韌、牢(lao)固、耐(nai)磨，常(chang)用于制(zhi)作(zuo)梳子、牙刷、衣鉤(gou)、扇骨、網(wang)(wang)(wang)(wang)袋(dai)繩、水(shui)果外包(bao)裝(zhuang)袋(dai)等，但不(bu)可長期(qi)與酸堿接觸。2、材質(zhi)的(de)(de)區(qu)別(bie)。兩種(zhong)產(chan)品材質(zhi)同(tong)屬于塑料(liao)，但是(shi)乙(yi)烯(xi)網(wang)(wang)(wang)(wang)材質(zhi)為(wei)高密(mi)度乙(yi)烯(xi)(HDPE)，通常(chang)簡(jian)稱(cheng)為(wei)PE;尼(ni)龍(long)(long)(long)(long)(long)網(wang)(wang)(wang)(wang)材質(zhi)為(wei)尼(ni)龍(long)(long)(long)(long)(long)，英(ying)文名稱(cheng)為(wei)Nylon，簡(jian)稱(cheng)為(wei)PA，也(ye)叫做錦(jin)綸。從以(yi)上(shang)簡(jian)寫名稱(cheng)，就很(hen)容易知道：乙(yi)烯(xi)網(wang)(wang)(wang)(wang)和尼(ni)龍(long)(long)(long)(long)(long)網(wang)(wang)(wang)(wang)是(shi)不(bu)同(tong)的(de)(de)兩種(zhong)材質(zhi)，通過拉絲(si)(si)編(bian)織(zhi)而獲得(de)的(de)(de)絲(si)(si)網(wang)(wang)(wang)(wang)產(chan)品。3、市(shi)面的(de)(de)區(qu)別(bie)。市(shi)面上(shang)常(chang)見(jian)的(de)(de)乙(yi)烯(xi)網(wang)(wang)(wang)(wang)，常(chang)用于作(zuo)為(wei)工(gong)業過濾網(wang)(wang)(wang)(wang)、民用窗紗(sha)、蔬菜大棚防蟲網(wang)(wang)(wang)(wang)等，用于窗紗(sha)和蔬菜防蟲網(wang)(wang)(wang)(wang)，可以(yi)使用多(duo)種(zhong)顏色(se)，如：白(bai)色(se)、綠色(se)、灰色(se)、藍色(se)、黑色(se)等，都可以(yi)根據客戶要(yao)求(qiu)定(ding)做。而市(shi)場(chang)上(shang)常(chang)見(jian)的(de)(de)與乙(yi)烯(xi)網(wang)(wang)(wang)(wang)目數接近的(de)(de)工(gong)業尼(ni)龍(long)(long)(long)(long)(long)網(wang)(wang)(wang)(wang)，通常(chang)就是(shi)本色(se)，也(ye)就是(shi)白(bai)色(se)。很(hen)多(duo)染色(se)的(de)(de)尼(ni)龍(long)(long)(long)(long)(long)網(wang)(wang)(wang)(wang)、尼(ni)龍(long)(long)(long)(long)(long)布應用于制(zhi)作(zuo)服(fu)飾等，例如常(chang)用的(de)(de)尼(ni)龍(long)(long)(long)(long)(long)背包(bao)等

聚(ju)酯螺(luo)旋(xuan)干(gan)網系列適(shi)用(yong)于干(gan)燥定(ding)量較大(da)的(de)(de)包裝紙(zhi)(zhi)、文化(hua)紙(zhi)(zhi)、板紙(zhi)(zhi)及(ji)(ji)漿(jiang)(jiang)(jiang)板。廣泛應(ying)用(yong)于造紙(zhi)(zhi)、煤礦、食(shi)品、醫藥(yao)、印染及(ji)(ji)橡(xiang)(xiang)膠制(zhi)(zhi)品行(xing)業，適(shi)用(yong)于水(shui)平(ping)(ping)帶式(shi)真空洗(xi)漿(jiang)(jiang)(jiang)機底(di)網（替代橡(xiang)(xiang)膠帶）,也可(ke)用(yong)作傳送帶和復合機配(pei)套網帶。聚(ju)酯螺(luo)旋(xuan)干(gan)網具有透(tou)氣性大(da)、網面(mian)平(ping)(ping)整、可(ke)任意(yi)拆接、強度(du)好(hao)、使用(yong)壽命(ming)長的(de)(de)優點。特(te)種材料(liao)螺(luo)旋(xuan)干(gan)網還具有耐高溫、高耐磨(mo)、耐老化(hua)等特(te)性。螺(luo)旋(xuan)壓濾(lv)網適(shi)用(yong)范圍螺(luo)旋(xuan)壓濾(lv)網是將填(tian)料(liao)絲加入螺(luo)旋(xuan)環內(nei)，使透(tou)氣度(du)減小，減少(shao)網面(mian)上(shang)的(de)(de)物料(liao)流失(shi)，主要用(yong)于帶式(shi)脫水(shui)機的(de)(de)壓榨(zha)過濾(lv)用(yong)帶,造紙(zhi)(zhi)、印染、食(shi)品、化(hua)工、酒(jiu)精、醋業、洗(xi)煤、礦業、造紙(zhi)(zhi)洗(xi)漿(jiang)(jiang)(jiang)、制(zhi)(zhi)藥(yao)、污泥脫水(shui)、陶瓷(ci)行(xing)業及(ji)(ji)污泥脫水(shui)等固液分離(li)的(de)(de)行(xing)業等。