<正>Fatliquoring process is one of the importantleather processes.Fatliquoring agent can penetrateinto the skin collagen fibres.Fatliquoring agent canform oil film and play lubricating and plasticizingroles so that the molecular chain segments can easi-ly move.With the improvement of level of consump-tion and development of market,traditional fatli-quoring agent could not meet the requests of fatli-quoring process and customers.So it is a tendency