The application properties of local vegetable tannins in last 20 years were introduced,including mimosa,valonex,chestnut etc.

综述了近20年来我国物剂产品的应用性能,包括荆树皮,,栗木等。

Using the syntan to pretan vegetable-tanned sole leather ,the quantity of tannin extract can be reduced in vegetable tanning.

合成剂用于革的预,可减少时的用量。

High-grade filling and retanning agent CDF was prepared by condensation polymerization reaction of urea,cyanuramide and dicyandimide.The property and application of the product were discussed.

本文主要论述了用脲、双氰胺、三聚氰胺等原料经缩聚反应制备填充复剂CDF的方法及其性能与应用。