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消泡剂的预乳化及其在水性木器涂料中的应用研究
Research of Pre-Emulsification of Defoamer and Its Application in Waterborne Wood Coatings
【摘要】 通过预乳化工艺,解决了水性木器涂料配制过程中高效消泡剂难以分散的难题,详细研究了消泡剂预乳化过程中分散方式、分散时间、助剂配比等影响因素对于预乳化效果与消泡效果的影响。采用高压均质技术,加入适量乳化剂对消泡剂进行预乳化,得到的预乳化液方便在水性涂料体系中分散,同时保证了较好的消泡效果。
【Abstract】 A pre-emulsifilation process was used to find a solution of the difficulty of dispersing effective defoamer in production of waterborne wood coatings.The influence of dispersing approaches of defoamer,the dispersing time and composition of other additives on the pre-emulsification and defoaming effectiveness was investigated in detail.Via high pressure homogenization,the defoamer was pre-emulsified by adding appropriate amount of emulsifying agents,and the obtained pre-emulsion could be easily dispersed in the waterborne coatings with a good defoaming effect.
- 【文献出处】 涂料工业 ,Paint & Coatings Industry , 编辑部邮箱 ,2012年10期
- 【分类号】TQ630.4
- 【下载频次】266