什么是聚酯纖維
聚(ju)(ju)(ju)酯(zhi)(zhi)(zhi)纖(xian)(xian)(xian)(xian)維(wei)也(ye)被稱為(wei)PET纖(xian)(xian)(xian)(xian)維(wei),是(shi)聚(ju)(ju)(ju)酯(zhi)(zhi)(zhi)材料制作(zuo)而(er)成的(de)(de)。聚(ju)(ju)(ju)酯(zhi)(zhi)(zhi)是(shi)由多元醇(chun)和(he)(he)多元酸縮聚(ju)(ju)(ju)而(er)得的(de)(de)聚(ju)(ju)(ju)合物,其(qi)中的(de)(de)部分(fen)PET,再通過水下(xia)切(qie)粒就會形成聚(ju)(ju)(ju)酯(zhi)(zhi)(zhi)纖(xian)(xian)(xian)(xian)維(wei)。纖(xian)(xian)(xian)(xian)維(wei)級聚(ju)(ju)(ju)酯(zhi)(zhi)(zhi)切(qie)片用于制造滌綸(lun)短纖(xian)(xian)(xian)(xian)維(wei)和(he)(he)滌綸(lun)長絲,是(shi)供給滌綸(lun)纖(xian)(xian)(xian)(xian)維(wei)企業加工纖(xian)(xian)(xian)(xian)維(wei)及相關(guan)產品(pin)的(de)(de)原料,滌綸(lun)作(zuo)為(wei)化纖(xian)(xian)(xian)(xian)中產量(liang)最大的(de)(de)品(pin)種,占據(ju)著化纖(xian)(xian)(xian)(xian)行業近(jin)80%的(de)(de)市(shi)場份額(e),因(yin)此聚(ju)(ju)(ju)酯(zhi)(zhi)(zhi)系列的(de)(de)市(shi)場變化和(he)(he)發展(zhan)趨(qu)勢是(shi)化纖(xian)(xian)(xian)(xian)行業關(guan)注(zhu)的(de)(de)重(zhong)點。同時,聚(ju)(ju)(ju)酯(zhi)(zhi)(zhi)還有瓶(ping)類、薄膜等用途,廣泛應用于包裝業、電子電器(qi)、醫療衛生、建筑、汽車(che)等領域,其(qi)中包裝是(shi)聚(ju)(ju)(ju)酯(zhi)(zhi)(zhi)最大的(de)(de)非(fei)纖(xian)(xian)(xian)(xian)應用市(shi)場,同時也(ye)是(shi)PET增長最快的(de)(de)領域,可以說聚(ju)(ju)(ju)酯(zhi)(zhi)(zhi)切(qie)片是(shi)連接(jie)石(shi)化產品(pin)和(he)(he)多個行業產品(pin)的(de)(de)一個重(zhong)要(yao)中間產品(pin)。
聚酯纖維的性能及用途
1、性能
滌綸(lun)的(de)(de)(de)比重(zhong)為(wei)(wei)(wei)(wei)(wei)1.38,熔點(dian)為(wei)(wei)(wei)(wei)(wei)255~260℃,在(zai)205℃時(shi)開始(shi)粘結,安全熨(yun)燙(tang)溫度為(wei)(wei)(wei)(wei)(wei)135℃。吸濕(shi)度很低,僅為(wei)(wei)(wei)(wei)(wei)0.4%。長(chang)(chang)絲的(de)(de)(de)斷裂強(qiang)(qiang)(qiang)度為(wei)(wei)(wei)(wei)(wei)4.5~5.5克/旦,短纖(xian)維為(wei)(wei)(wei)(wei)(wei)3.5~5.5克/旦。長(chang)(chang)絲的(de)(de)(de)斷裂伸長(chang)(chang)率為(wei)(wei)(wei)(wei)(wei)15~25%,短纖(xian)維為(wei)(wei)(wei)(wei)(wei)25~40%。高(gao)強(qiang)(qiang)(qiang)型纖(xian)維強(qiang)(qiang)(qiang)度可達(da)7~8克/旦,伸長(chang)(chang)為(wei)(wei)(wei)(wei)(wei)7.5~12.5%。滌綸(lun)有優良(liang)的(de)(de)(de)耐(nai)皺性(xing)、彈(dan)性(xing)和尺寸穩定性(xing),有良(liang)好(hao)的(de)(de)(de)電絕緣性(xing)能(neng)(neng)(neng),耐(nai)日光(guang),耐(nai)摩擦,不霉不蛀,有較(jiao)好(hao)的(de)(de)(de)耐(nai)化學試劑性(xing)能(neng)(neng)(neng),能(neng)(neng)(neng)耐(nai)弱(ruo)酸(suan)及弱(ruo)堿(jian)。在(zai)室溫下,有一(yi)定的(de)(de)(de)耐(nai)稀強(qiang)(qiang)(qiang)酸(suan)的(de)(de)(de)能(neng)(neng)(neng)力,耐(nai)強(qiang)(qiang)(qiang)堿(jian)性(xing)較(jiao)差。滌綸(lun)的(de)(de)(de)染色(se)(se)性(xing)能(neng)(neng)(neng)較(jiao)差,一(yi)般須在(zai)高(gao)溫或有載體存在(zai)的(de)(de)(de)條件下用分散性(xing)染料染色(se)(se)。
2、用途
滌綸具有許多(duo)優良的紡織性能(neng)和服(fu)用(yong)(yong)(yong)性能(neng),用(yong)(yong)(yong)途(tu)廣泛,可(ke)以(yi)純紡織造(zao),也可(ke)與棉(mian)、毛、絲、麻等(deng)天然(ran)纖維和其他化(hua)學(xue)纖維混紡交織,制(zhi)成花色繁多(duo)、堅牢(lao)挺(ting)括、易洗(xi)易干、免燙和洗(xi)可(ke)穿性能(neng)良好的仿(fang)(fang)(fang)毛、仿(fang)(fang)(fang)棉(mian)、仿(fang)(fang)(fang)絲、仿(fang)(fang)(fang)麻織物(wu)。滌綸織物(wu)適(shi)用(yong)(yong)(yong)于(yu)男女襯衫、外衣(yi)、兒童(tong)衣(yi)著(zhu)、室內裝飾(shi)織物(wu)和地(di)毯等(deng)。由于(yu)滌綸具有良好的彈性和蓬(peng)松性,也可(ke)用(yong)(yong)(yong)作(zuo)絮(xu)棉(mian)。在工(gong)業(ye)上高(gao)強度滌綸可(ke)用(yong)(yong)(yong)作(zuo)輪胎簾子線、運輸帶(dai)、消防水管、纜(lan)繩、漁(yu)網(wang)等(deng),也可(ke)用(yong)(yong)(yong)作(zuo)電(dian)絕緣材料、耐酸過濾布(bu)(bu)和造(zao)紙(zhi)毛毯等(deng)。用(yong)(yong)(yong)滌綸制(zhi)作(zuo)無紡織布(bu)(bu)可(ke)用(yong)(yong)(yong)于(yu)室內裝飾(shi)物(wu)、地(di)毯底布(bu)(bu)、醫藥(yao)工(gong)業(ye)用(yong)(yong)(yong)布(bu)(bu)、絮(xu)絨、襯里等(deng)。
申明:以上方法源于程序系統索引或網民分享提供,僅供您參考使用,不代表本網站的研究觀點,證明有效,請注意甄別內容來源的真實性和權威性。