烷基糖苷消泡剂的合成与研究  

Synthesis and research of alkyl glycoside defoamer

作　　者：李月文 宗红亮 张丽君 陆逸峰 王永生 Li Yuewen;Zong Hongliang;Zhang Lijun;Lu Yifeng;Wang Yongsheng(Jiangsu Zhongshan New Material Co.,Ltd.,Nanjing 210047,China)

机构地区：[1]江苏钟山新材料有限公司,江苏南京210047

出　　处：《化学推进剂与高分子材料》2024年第5期58-60,共3页Chemical Propellants & Polymeric Materials

摘　　要：以烷基糖苷为起始剂,环氧丙烷、环氧乙烷为聚合单体,双金属氰化络合物(DMC)为催化剂,采用两步法合成了一种可降解、破泡和抑泡能力强的聚醚型消泡剂。该产品官能度为4,数均相对分子质量900~3500,可降解程度92.3%,消泡率98.8%。Using the alkyl glycoside as initiator,propylene oxide and ethylene oxide as polymeric monomers,and double metal cyanide complex(DMC)as catalyst,a kind of polyether type defoamer with degradability,strong foam breaking and foam inhibiting ability was synthesized by using two-step method.The functionality of this product is 4,number average relative molecular mass is 900~3500,degradable degree is 92.3%,defoaming rate is 98.8%.

关 键 词：可降解 环氧丙烷 环氧乙烷 两步法 消泡率 

分 类 号：TU528.042.5[建筑科学—建筑技术科学]