聚醚共改性硅油消泡剂的合成工艺研究  

Study on the Synthesis Process of Silicone Oil Defoamer Modified by Emulsion Polyether

作　　者：易分 李亮 张华芳[1] 张倚铭 YI Fen LI Liang;ZHANG Huafang;ZHANG Yiming

机构地区：[1]四川化工职业技术学院,四川泸州646000 [2]四川天华股份有限公司,四川泸州646000

出　　处：《化工设计通讯》2024年第3期28-30,共3页Chemical Engineering Design Communications

基　　金：四川化工职业技术学院校级项目(SCHYB—2107)。

摘　　要：合成了一种新型乳液型聚醚改性硅油消泡剂,通过分子设计合成了消泡剂所用聚醚共改性硅油,合成聚醚共改性硅油合成的最佳条件为:反应时间为2 h,催化剂用量为0.2 mL,低含氢硅油/聚醚L61为1:2,反应温度为110℃,产率可达77%。制备的消泡剂与乳化剂、增稠剂等复配,具有良好的消泡性能。A new type of emulsion polyether modified silicone oil defoaming agent was synthesized.The polyether co-modified silicone oil used in the defoaming agent were synthesized by molecular design.The optimum conditions for synthesis of polyether co-modified silicone oil are as follows:reaction time is 2 h,catalyst dosage is 0.2 mL,low hydrogen containing silicone oil/polyether L61 is 1:2,reaction temperature is 110℃,the yield can reach 77%.The preparation of antifoaming agent with emulsifier,thickening agent,etc.,has good antifoaming performance.

关 键 词：乳液型 聚醚改性硅油 消泡剂 

分 类 号：O69[理学—化学]