聚醚醚酮(PEEK)作為(wei)一(yi)種新(xin)型(xing)的(de)半晶態芳(fang)香族塑(su)性(xing)(xing)(xing)(xing)(xing)(xing)工程塑(su)料(liao)，具有(you)(you)(you)(you)(you)(you)(you)極(ji)其(qi)出(chu)色的(de)物(wu)理、力學性(xing)(xing)(xing)(xing)(xing)(xing)能(neng)(neng)(neng)，在(zai)(zai)(zai)許(xu)多特殊(shu)領域可(ke)以(yi)替代金屬(shu)、陶瓷等(deng)(deng)傳統(tong)材料(liao)，在(zai)(zai)(zai)減(jian)輕質量(liang)，提高性(xing)(xing)(xing)(xing)(xing)(xing)能(neng)(neng)(neng)方面貢(gong)獻突出(chu)，成(cheng)為(wei)當今(jin)最熱門的(de)高性(xing)(xing)(xing)(xing)(xing)(xing)能(neng)(neng)(neng)工程塑(su)料(liao)之一(yi)。PEEK耐(nai)高溫熱性(xing)(xing)(xing)(xing)(xing)(xing)能(neng)(neng)(neng)十分突出(chu)，可(ke)在(zai)(zai)(zai)250℃下(xia)長(chang)期使用(yong)，瞬間使用(yong)溫度(du)可(ke)達315℃;其(qi)剛性(xing)(xing)(xing)(xing)(xing)(xing)大，尺寸穩定性(xing)(xing)(xing)(xing)(xing)(xing)，線脹系數(shu)較(jiao)小，接近于金屬(shu)鋁材料(liao);PEEK化(hua)(hua)學穩定性(xing)(xing)(xing)(xing)(xing)(xing)好，對酸(suan)(suan)(suan)、堿及幾(ji)乎所(suo)有(you)(you)(you)(you)(you)(you)(you)的(de)有(you)(you)(you)(you)(you)(you)(you)機(ji)溶(rong)(rong)劑都有(you)(you)(you)(you)(you)(you)(you)很(hen)強的(de)抗(kang)腐蝕能(neng)(neng)(neng)力，同時(shi)具有(you)(you)(you)(you)(you)(you)(you)阻(zu)燃(ran)、抗(kang)輻射(she)等(deng)(deng)性(xing)(xing)(xing)(xing)(xing)(xing)能(neng)(neng)(neng);PEEK耐(nai)滑動(dong)磨損(sun)和微(wei)動(dong)磨損(sun)耗(hao)的(de)性(xing)(xing)(xing)(xing)(xing)(xing)能(neng)(neng)(neng)優(you)異(yi)，尤其(qi)是能(neng)(neng)(neng)在(zai)(zai)(zai)250℃下(xia)保持高耐(nai)磨性(xing)(xing)(xing)(xing)(xing)(xing)和低摩擦因數(shu);此外，PEEK易于擠出(chu)和注(zhu)射(she)擊成(cheng)型(xing)。憑借些(xie)優(you)異(yi)的(de)綜(zong)合性(xing)(xing)(xing)(xing)(xing)(xing)能(neng)(neng)(neng)，PEEK在(zai)(zai)(zai)航空(kong)航天、機(ji)械(xie)、石油、化(hua)(hua)工、核電、軌(gui)道交通等(deng)(deng)領域有(you)(you)(you)(you)(you)(you)(you)廣泛(fan)的(de)應用(yong)即使在(zai)(zai)(zai)200度(du)蒸氣中(zhong)，其(qi)拉抻強度(du)、質量(liang)及外觀也不發生顯著變化(hua)(hua)，可(ke)長(chang)期使用(yong)。在(zai)(zai)(zai)很(hen)高的(de)交變應力的(de)作用(yong)下(xia)具有(you)(you)(you)(you)(you)(you)(you)很(hen)好的(de)抗(kang)疲勞性(xing)(xing)(xing)(xing)(xing)(xing)，并且有(you)(you)(you)(you)(you)(you)(you)長(chang)期的(de)耐(nai)負荷性(xing)(xing)(xing)(xing)(xing)(xing)，耐(nai)磨性(xing)(xing)(xing)(xing)(xing)(xing)好。有(you)(you)(you)(you)(you)(you)(you)極(ji)好的(de)阻(zu)燃(ran)性(xing)(xing)(xing)(xing)(xing)(xing)，有(you)(you)(you)(you)(you)(you)(you)自熄(xi)性(xing)(xing)(xing)(xing)(xing)(xing)，在(zai)(zai)(zai)樹脂中(zhong)不含有(you)(you)(you)(you)(you)(you)(you)阻(zu)燃(ran)劑，分子中(zhong)也不含鹵素(su)，所(suo)以(yi)燃(ran)燒時(shi)不會污穢(hui)環境，氧指數(shu)達24-35，阻(zu)燃(ran)等(deng)(deng)級(ji)為(wei)UL94V—0。PEEK除可(ke)溶(rong)(rong)于濃(nong)硫酸(suan)(suan)(suan)和濃(nong)硝酸(suan)(suan)(suan)中(zhong)變黃(huang)外，對其(qi)他溶(rong)(rong)劑均穩定，但若結晶不充分，會在(zai)(zai)(zai)丙銅類溶(rong)(rong)劑中(zhong)產生裂(lie)紋。

 PEEK的成型加工可(ke)注塑(su)、擠塑(su)、吹(chui)塑(su)、壓制等。

用途:它是一種綜(zong)合(he)性能(neng)(neng)優良的工(gong)(gong)程塑料(liao)(liao)，薄膜可流延或定向(xiang)，用作電(dian)線(xian)(xian)被覆線(xian)(xian)、原子(zi)能(neng)(neng)工(gong)(gong)程部件、H級或C級電(dian)絕緣材料(liao)(liao)、柔(rou)性印(yin)刷電(dian)路板、熱泵機殼或機架、油井聯(lian)接器、閥門、金(jin)屬耐(nai)熱或防腐(fu)涂(tu)料(liao)(liao)，單絲，包(bao)扎帶(dai)，篩子(zi)、地鐵(tie)、礦山(shan)、油田(tian)、電(dian)器工(gong)(gong)業、原子(zi)能(neng)(neng)工(gong)(gong)程、化工(gong)(gong)設備(bei)等(deng)方面。