Abstract A lightfast aq. polyurethane emulsion for leather finishing was prepared mainly from aliphatic isocyanate.
脂肪族异氰
酯为主要原
，
了一种耐光型水性聚氨酯皮革涂饰剂。
盐(或酯)苯酯Abstract A lightfast aq. polyurethane emulsion for leather finishing was prepared mainly from aliphatic isocyanate.
脂肪族异氰酯为主要原，了一种耐光型水性聚氨酯皮革涂饰剂。
The article is about how to use phosgene and p-nitrophenylamine to react in acetic ether's liquefier to produce p-nitro-phenyl isocyanate, Its best technological condition have been discussed.
介绍用光气和对硝基苯胺在乙乙酯溶剂中反应来对硝基异氰苯酯的方法，并讨论了其最佳工艺条件。
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