皮革上光乳化蜡的研制

采用石蜡与微晶蜡为原料,经化学改性研制出人造蜂蜡,其质量和性能与天然蜂蜡基本相同。以人造蜂蜡为原料,水为稀释剂研制出的皮革上光乳化蜡产品涂层均匀、性能优异、成本较低。探讨了乳化剂的种类、用量,制备乳化蜡的搅拌速度、乳化时间、温度等因素对乳化蜡稳定性的影响。结果表明,乳化剂以两种非离子型表面活性剂为主,同时加入助乳化剂,形成复合乳化剂。当总乳化剂与油相质量比为0.30以上时,乳液呈均匀球状颗粒,稳定性较好;两者质量比为0.40以上时,可形成微乳液。确定了最佳乳化工艺条件为:乳化时间为10～30min,搅拌速度为700～1400r/min,乳化温度为85～95℃。得到的乳化蜡稳定性较好。

Prepration of Emulsified Polishing Wax for Leather Goods

The artificial beeswax was prepared from paraffin wax and microcrystalline by chemical modification. Its quality and function is similar to that of natural beeswax. By using artificial beeswax as starting material and water as diluting agent, polishing wax for leather gooes was prepared. The product's feature is well-distributed sheet, well function and low cost. The effects on stability of emulsifying wax such as emulsifier type, quantity, stirring speed, emulsifying time and emulsifying temperature were discussed. The results show that the mixed emulsifier comprises two kinds of nonionic surfactants and auxiliary additives. The sphere particle of emulsion is well distributed and very stable when the mass ratio of emulsifiers and oil phase exceed 0.30. Microemulsion is formed when the mass ratio of emulsifiers and oil phase exceed 0.40. The best emulsifying process conditions are: emulsifying time is 10～30 minutes, stirring speed is 700～1 400 r/min and emulsifying temperature is 85～95 ℃. The emulsified wax obtained as above has better stability.