季铵盐改性有机硅柔软剂的合成与应用

以1,3-二缩水甘油醚氧基丙基-1,1,3,3-四甲基二硅氧烷和四甲基己二胺(TMHDA)为原料,制备叔氨基封端的长链多铵季铵盐改性剂中间体,再与端环氧聚醚硅油反应,合成一种可自乳化、外观呈红棕色透明状的多铵季铵盐结构的有机硅柔软剂.采用红外光谱仪和扫描电镜分别对自制柔软剂结构以及在纤维上的成膜形态进行表征.考察乳液用...

Synthesis and application of quaternary ammonium modified organosilicon softener

A long chain polyquaternary ammonium salt modifier intermediate terminated by tertiary amine group was prepared by 1, 3-bis(3-glycidoxypropyl)-1, 1, 3, 3-tetramethyldisiloxane and tetramethylhexanediamine(TMHDA). Then quaternary ammonium modified organosilicon softener which was self emulsifiable and reddish brown transparent was synthesized through the reaction of intermediate and epoxy-terminated polyether silicone oil. The structure of softener and its film-forming morphology on fiber was characterized by IR and SEM. The influences of emulsion dosage, curing temperature and time on the application performance of fabric were discussed. The results showed that the softener had the expected structure. When the emulsion dosage was 40 g/L, the curing temperature was 160 ℃ and the curing time was 90 s, the wetting time of treated fabric was 8.74 s, the relative hand feeling value(RHV) was 4.74, and the subjective feel rating was grade 5. The application performance was better than the common quaternary ammonium salt softener. The softener has antibacterial properties.