三聚氰胺是一种低毒化工原料,但长期或反复摄入可能对人体的肾与膀胱产生影响,导致结石。三聚氰胺的生产工艺可分为双氰胺法和尿素法两种,而以尿素法更常用。介绍了三聚氰胺的性质、毒性危害和合成工艺,以及国内外三聚氰胺的产需情况。 Melamine is a low toxic chemical raw material, but long-term or repeated intake may affect the body’s kidneys and bladder, causing stones. Melamine production process can be divided into dicyandiamide and urea two, but more commonly used urea. Introduced the nature of melamine, toxicity hazards and synthetic processes, as well as the demand and supply of melamine at home and abroad.