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１，６—己撑二异氰酸酯（１，６－ｈｅｘａｍｅｔｈｙｌｅｎｅｄｉｉｓｏｃｙａｎａｔｅＨＤＩ）是生产聚合尿烷涂料的主要原料之一，这些涂料中ＨＤＩ约占４０％，该类涂料具有高强度、耐高温、耐化学腐蚀、颜色稳定等优良性能而被广泛应用于汽车制造业及装修业。ＨＤＩ的低
1,6-Hexamethylenediisocyanate (HDI) is one of the main raw materials for the production of polymeric urethane coatings. HDI accounts for about 40% of these coatings. Such coatings have high strength, high temperature resistance, chemical resistance, Color stability and other excellent performance has been widely used in automobile manufacturing and decoration industry. HDI low