詳細介紹
化學結構
NH2CH(CH3)CH2-[OCH2CH(CH3)]XNH2 X=33.1
概述
聚醚胺D-2000是一(yi)種(zhong)雙官能的伯按,平均分(fen)子量約2000,其氨基(ji)是位(wei)于聚醚末端的第二個碳(tan)原子上。D-2000密度25℃以下(xia)為(wei)1.0g/cm3,閃點185℃,熔點為(wei)-29℃,PH值10.5,沸點為(wei)250℃;D-2000具有色質淺、粘度小(xiao)、蒸氣(qi)壓低;能溶(rong)(rong)于多種(zhong)溶(rong)(rong)劑(ji),稍溶(rong)(rong)于水。
理化指標
色號 Pt-Co ≤25
伯胺含量(liang) % ≥97
乙酰(xian)基值(zhi) mmol/g 0.98-1.05
胺值mmol/g 0.95-1.05
水(shui)份% ≤0.25
應用
D-2000端氨基聚醚是(shi)(shi)(shi)(shi)一種聚氨酯用(yong)(yong)(yong)活(huo)性(xing)擴鏈劑。有(you)著(zhu)(zhu)典型伯胺反(fan)(fan)應性(xing)質。因其(qi)具有(you)獨(du)(du)特的化學結構,D-2000在(zai)環(huan)(huan)氧(yang)行業(ye)有(you)廣泛(fan)地應用(yong)(yong)(yong)。在(zai)環(huan)(huan)氧(yang)應用(yong)(yong)(yong)中,很少(shao)單獨(du)(du)的使(shi)用(yong)(yong)(yong),更多(duo)的是(shi)(shi)(shi)(shi)和其(qi)它固化劑一起使(shi)用(yong)(yong)(yong),特別是(shi)(shi)(shi)(shi)和其(qi)它的端氨基聚醚產品如D-230、D-400、T-403等一起反(fan)(fan)應,通(tong)過使(shi)用(yong)(yong)(yong)D-2000產品,可以有(you)效地增強環(huan)(huan)氧(yang)制品彎曲拉伸(shen)性(xing)能(neng);D-2000一種較(jiao)好的應用(yong)(yong)(yong)是(shi)(shi)(shi)(shi)通(tong)過陰極(ji)性(xing)電鍍金(jin)屬著(zhu)(zhu)底色;D-2000鹽是(shi)(shi)(shi)(shi)好的稀(xi)釋液(ye)體。
安全性能和毒性
D-2000端氨基聚醚口服(fu)微(wei)毒;皮膚(fu)吸收無毒,但對皮膚(fu)有弱(ruo)刺(ci)激性;對眼睛有強刺(ci)激性;當裝卸使用(yong)D-2000時要(yao)用(yong)防護罩擋住臉部。若不慎接觸(chu)到(dao)眼睛必須立即用(yong)水清(qing)洗(xi)至(zhi)少5分鐘(zhong),并作(zuo)必要(yao)的醫療觀察。撒至(zhi)皮膚(fu)上應用(yong)肥皂和水及時清(qing)洗(xi)。
包裝貯存運輸
D-2000通常為200Kg鐵桶充氮封裝,避光貯存,防熱、防潮,保質期一年。