It further proved that triphosgene replacing the deadly phosgene and diphosgene is feasible.

进一步证明了三代替剧毒和可行性。

This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.

本文综述了下游精细化学品开发及生产进展,包括二苯甲酮类、代甲酯类、异氰酸酯类、酰类、碳酸酯类化合物。

It has been produced in our country, all by oxalyl chloride technological process.For using oxalyl chloride, so it has high price and low occupy in the market.

本文用法路线进行试验，用代替草酰制备异氰酸酯，为了降低成本提高收率，我们对杀铃脲法生产路线进行了研究、开发和优化。

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.

介绍用和对硝基苯胺在乙酸乙酯溶剂中反应来制备对硝基异氰酸苯酯方法，并讨论了其最佳工艺条件。