聚醚嵌段超支化氨基硅氧烷的合成及应用研究  

Synthesis and Application of Polyether Block Hyperbranched Aminosiloxane

作　　者：彭佳钰 王海峰[1] 钟磊 邢智童 Peng Jiayu;Wang Haifeng;Zhong Lei;Xing Zhitong(College of Textile and Clothing,Nantong University,Nantong,Jiangsu 226019,China)

机构地区：[1]南通大学纺织服装学院,江苏南通226019

出　　处：《针织工业》2025年第3期41-45,共5页Knitting Industries

基　　金：大学生创新创业项目(2023103041134)。

摘　　要：以二乙烯三胺(EDTA)和自制的线性双端环氧聚醚改性硅氧烷(EPMS)为原料,通过亲核开环加成,制备出聚醚嵌段超支化氨基硅氧烷(HB-PAS),再通过碱催化扩链制备有机硅柔软剂。探讨反应条件对产物HB-PAS环氧基转化率以及黏度的影响,优化合成工艺,用红外光谱表征产物结构。结果表明:EPMS与EDTA摩尔比为1.0∶1.6,反应温度为70℃,反应6 h时,转化率达99.0%,产物黏度为3 500 mPa·s;质量比mHB-PAS∶mD4=1∶3,催化剂KOH用量0.2%,125℃反应6 h得到柔软剂,并将该柔软剂应用于棉针织物,用量为20 g/L,手感可提升1~2级,色变小,经10次洗涤后手感降低不明显。Polyether block hyperbranched aminosiloxane(HB-PAS)was prepared by nucleophilic ring-opening addition using diethylenetriamine(EDTA)and self-made linear double-ended epoxy polyether modified siloxane(EPMS)as raw materials,and then the silicone softener was prepared by alkali catalytic chain extension.The effects of reaction conditions on the conversion rate and viscosity of the product HB-PAS epoxy group were discussed,and the synthesis process was optimized.The structure of the product was characterized by FT-IR.The results show that the molar ratio of EPMS to EDTA is 1.0∶1.6,the reaction temperature is 70℃,the reaction time is 6 h,the conversion rate is 99.0%,and the viscosity of the product is 3500 mPa·s.The softening agent is obtained by the reaction of mHB-PAS∶mD4=1∶3,the amount of catalyst KOH is 0.2%,and the reaction is carried out at 125℃for 6 h.The softener is applied to cotton knitted fabrics with a dosage of 20 g/L.The handle can be improved by 1 or 2 grades,and the whiteness does not change significantly.After 10 times of washing,the handle is not significantly reduced.

关 键 词：聚醚嵌段超支化氨基硅氧烷 碱催化扩链 棉针织物 柔软剂 

分 类 号：TS195.2[轻工技术与工程—纺织化学与染整工程]