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有机硅消泡剂通常包括硅油(或硅膏)与乳化剂两个组分

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有机硅消泡剂通常包括硅油(或硅膏)与乳化剂两个组分

发布日期:2018-09-14 作者: 点击:

  造纸工业消泡剂的发展趋势国际上表面活性剂的应用研究正由单一组分型向复合型转头,世界各国均对表面活性剂的复配技术投入了大量人力、物力和财力,取得了许多突破性的成果,表面活性剂的综合功能显著提高。表面活性剂制备技术及其应用呈纵深发展趋势。作为表面活性剂家族的重要一员,造纸消泡剂宝乐彩票平台也具有同样的发展趋势。大家知道,目前以脂肪酸酰胺、聚醚、有机硅为代表的高效造纸消泡剂已经完全取代了传统的矿物油、植物油、醇等低效品种,为造纸工业做出了巨大贡献。展望未来,造纸工业将充分利用脂肪酸酰胺、聚醚、有机硅等活性组分各自的特点,大力发展复配技术,复合型消泡剂必将渗透到造纸工业的各步单元操作。尽管现在有机硅的价格偏高,但随着硅油合成原料价格的逐年降低以及合成路线的优化,配有有机硅组分的复合型造纸消泡剂将在未来的市场上占据主导地位。


 有机硅消泡剂通常包括硅油(或硅膏)与乳化剂两个组分,两者缺一不可。所用硅油一般是二甲基硅油,而硅膏则由二甲基硅油和改性二氧化硅制备;乳化剂可以是Span、Tween或其它非离子表面活性剂,要求其HLB值在8-12范围内,自身不起泡或低泡,用量一般是硅油(或硅膏)的5%~50%。此外,复合乳化剂比单一乳化剂的乳化效率高。


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有机硅消泡剂

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关键词:有机硅消泡剂,消泡剂,工业消泡剂

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