Span-20

英

美

【化】斯盘-20，山梨糖醇酐单月桂酸酯

The starch-grafted copolymer of high molecular, which can be quickly soluble in water, was manufactured by using cyclohexane as a continuous phase, Span-20 as a dispersant and K 2S 2O 8 as an initiator.
以环己烷为连续相，Span&20为分散剂，过硫酸钾为引发剂，通过反相悬浮聚合法制备了高分子量、速溶剂天然高分子淀粉接枝共聚物。
A water-repellent is formulated by polyvinyl alcohol, two kinds of nonionic surfactants ( Span-20 and Tween-20), water-soluble inhibitor and et al.
研制了一种以聚乙烯醇、2种非离子表面活性剂&Span-20和Tween-20、水溶性缓蚀剂等为原料的水性憎水剂；
A kind of water-based water-repellent using polyvinyl alcohol, with the aids of two kinds of nonionic surfactant Span-20 and Tween-20 and water-soluble inhibitor for the treatment of iron and steel samples was studied.
研究了一种以聚乙烯醇为基质，辅以两种非离子表面活性剂Span80和Tween80及水溶性缓蚀剂的水基憎水剂，用来处理钢铁试样。
Tween-60, Span-20, Span-80 and Polyether surfactants were selected, lubricating oils containing nano-rare earths and Fe particles were prepared.
选择了吐温（Tween）-60、司本（Span）-20、司本（Span）-80和聚醚表面活性剂，配制了纳米稀土（RE）和铁粒子的复合润滑油。