Formolene E602 Formosa特(te)征：
Formolene E602
Formosa Plastics Corporation, U.S.A. HDPE, HMW
High Density Polyethylene High Molecular Weight Bi-Modal Resin for Non-Pressure Pipe Extrusion Applications Formolene E602 is a high performance c...
高密度(du)(du)聚(ju)(ju)乙烯(xi)具(ju)有(you)良好(hao)(hao)的(de)耐熱(re)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)和(he)耐寒(han)(han)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)，化(hua)學(xue)穩定(ding)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)好(hao)(hao)，還具(ju)有(you)較高的(de)剛性(xing)(xing)(xing)(xing)(xing)(xing)(xing)和(he)韌性(xing)(xing)(xing)(xing)(xing)(xing)(xing)，機械強(qiang)度(du)(du)好(hao)(hao)。介電性(xing)(xing)(xing)(xing)(xing)(xing)(xing)能(neng)，耐環境(jing)應力(li)開(kai)裂性(xing)(xing)(xing)(xing)(xing)(xing)(xing)亦較好(hao)(hao)。硬(ying)度(du)(du)、拉伸強(qiang)度(du)(du)和(he)蠕變(bian)(bian)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)優于(yu)(yu)低密度(du)(du)聚(ju)(ju)乙烯(xi)；耐磨(mo)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)、電絕緣性(xing)(xing)(xing)(xing)(xing)(xing)(xing)、韌性(xing)(xing)(xing)(xing)(xing)(xing)(xing)及耐寒(han)(han)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)均較好(hao)(hao)，但與低密度(du)(du)絕緣性(xing)(xing)(xing)(xing)(xing)(xing)(xing)比較略差些；化(hua)學(xue)穩定(ding)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)好(hao)(hao)，在室溫條件下，不溶(rong)于(yu)(yu)任(ren)何有(you)機溶(rong)劑，耐酸、堿和(he)各種鹽(yan)類的(de)腐蝕(shi)；薄(bo)膜對水蒸氣和(he)空(kong)氣的(de)滲透性(xing)(xing)(xing)(xing)(xing)(xing)(xing)小(xiao)、吸水性(xing)(xing)(xing)(xing)(xing)(xing)(xing)低；耐老化(hua)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)能(neng)差，耐環境(jing)開(kai)裂性(xing)(xing)(xing)(xing)(xing)(xing)(xing)不如低密度(du)(du)聚(ju)(ju)乙烯(xi)，特別(bie)是熱(re)氧(yang)化(hua)作用會使其性(xing)(xing)(xing)(xing)(xing)(xing)(xing)能(neng)下降，所以，樹(shu)脂需加入抗氧(yang)劑和(he)紫外線吸收劑等來提高改善這(zhe)方面的(de)不足。高密度(du)(du)聚(ju)(ju)乙烯(xi)薄(bo)膜在受(shou)力(li)情(qing)況下的(de)熱(re)變(bian)(bian)形溫度(du)(du)較低，這(zhe)一點應用時要注意 。
Formolene E602 Formosa工藝(yi)：
PE較(jiao)通常(chang)的(de)(de)生產方(fang)法是(shi)(shi)通過淤(yu)漿或氣(qi)相(xiang)加工(gong)法，也有(you)(you)少數用溶液相(xiang)加工(gong)生產。所有(you)(you)這些(xie)加工(gong)過程(cheng)都是(shi)(shi)由乙(yi)烯單(dan)體(ti)、a-烯烴單(dan)體(ti)、催(cui)(cui)化(hua)(hua)劑(ji)體(ti)系(xi)（可(ke)能是(shi)(shi)不(bu)止一(yi)種(zhong)(zhong)化(hua)(hua)合物(wu)(wu)）和(he)(he)各(ge)種(zhong)(zhong)類型的(de)(de)烴類稀釋(shi)劑(ji)參與的(de)(de)放熱反(fan)應(ying)(ying)(ying)(ying)。氫氣(qi)和(he)(he)一(yi)些(xie)催(cui)(cui)化(hua)(hua)劑(ji)用來控(kong)制分(fen)(fen)(fen)子(zi)(zi)(zi)(zi)量(liang)(liang)(liang)。淤(yu)漿反(fan)應(ying)(ying)(ying)(ying)器(qi)(qi)一(yi)般為攪拌(ban)釜或是(shi)(shi)一(yi)種(zhong)(zhong)更常(chang)用的(de)(de)大型環形反(fan)應(ying)(ying)(ying)(ying)器(qi)(qi)，在其中料(liao)漿可(ke)以循環攪拌(ban)。當乙(yi)烯和(he)(he)共聚單(dan)體(ti)（根據需要）和(he)(he)催(cui)(cui)化(hua)(hua)劑(ji)一(yi)接(jie)觸，就會形成聚 乙(yi)烯顆(ke)粒。除去稀釋(shi)劑(ji)后(hou)，聚乙(yi)烯顆(ke)粒或粉粒被干燥并按(an)劑(ji)量(liang)(liang)(liang)加入添加劑(ji)，就生產出粒料(liao)。帶(dai)有(you)(you)雙螺(luo)桿擠出機(ji)的(de)(de)大型反(fan)應(ying)(ying)(ying)(ying)器(qi)(qi)的(de)(de)現代化(hua)(hua)生產線，可(ke)每小(xiao)時(shi)生產PE40000磅以上。新(xin)的(de)(de)催(cui)(cui)化(hua)(hua)劑(ji)的(de)(de)開發為改進新(xin)等級HDPE的(de)(de)性能作出貢獻(xian)。兩(liang)種(zhong)(zhong)較(jiao)常(chang)用的(de)(de)催(cui)(cui)化(hua)(hua)劑(ji)種(zhong)(zhong)類是(shi)(shi)菲利浦的(de)(de)鉻氧(yang)化(hua)(hua)物(wu)(wu)為基礎的(de)(de)催(cui)(cui)化(hua)(hua)劑(ji)和(he)(he)鈦(tai)化(hua)(hua)合物(wu)(wu)一(yi)烷基鋁催(cui)(cui)化(hua)(hua)劑(ji)。菲利浦型催(cui)(cui)化(hua)(hua)劑(ji)生產的(de)(de)HDPE有(you)(you) 中寬度分(fen)(fen)(fen)子(zi)(zi)(zi)(zi)量(liang)(liang)(liang)分(fen)(fen)(fen)布(bu)；鈦(tai)一(yi)烷基鋁催(cui)(cui)化(hua)(hua)劑(ji) 生產的(de)(de)分(fen)(fen)(fen)子(zi)(zi)(zi)(zi)量(liang)(liang)(liang)分(fen)(fen)(fen)布(bu)窄(zhai)。用復式反(fan)應(ying)(ying)(ying)(ying)器(qi)(qi)生產窄(zhai)MDW的(de)(de)聚合物(wu)(wu)所用催(cui)(cui)化(hua)(hua)劑(ji)也可(ke)用 于生產寬MDW品(pin)級。舉(ju)例(li)來說，生產顯著不(bu)同分(fen)(fen)(fen)子(zi)(zi)(zi)(zi)量(liang)(liang)(liang)產 品(pin)的(de)(de)兩(liang)個串聯反(fan)應(ying)(ying)(ying)(ying)器(qi)(qi)可(ke)以生產出雙峰分(fen)(fen)(fen)子(zi)(zi)(zi)(zi)量(liang)(liang)(liang)聚合物(wu)(wu)，這種(zhong)(zhong)聚合物(wu)(wu)具有(you)(you)全寬域的(de)(de)分(fen)(fen)(fen)子(zi)(zi)(zi)(zi)量(liang)(liang)(liang)分(fen)(fen)(fen)布(bu)。
Formolene E602 Formosa展(zhan)示：
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