聚氨酯改性氟代聚丙烯酸酯的合成及应用  

Synthesis and Application of Polyurethane Modified Fluorinated Polyacrylate

作　　者：张晓荣[1] 安秋凤[1] 赵洁[1] 秦文[1] 

机构地区：[1]陕西科技大学教育部轻化工助剂化学与技术重点实验室,陕西西安710021

出　　处：《精细化工》2014年第9期1101-1105,共5页Fine Chemicals

基　　金：陕西省教育厅产业化培育项目(2010ZDKG-35);陕西省轻化工助剂重点实验室项目(12JS017)~~

摘　　要：将IPDI与PEG、丙烯酸羟丙酯(HPAA)依次反应制得碳碳双键封端的聚氨酯预聚体(PUA),以偶氮二异丁腈(AIBN)为引发剂,再将PUA与全氟己基乙基丙烯酸酯(C6F)进行自由基聚合,制得了聚氨酯改性的氟代聚丙烯酸酯(PUAF)。通过红外光谱、场发射扫描电镜(FE-SEM)对PUAF的结构、成膜形貌以及应用性能进行了研究。结果表明,PUAF能在纤维表面形成一层疏水膜,该膜能使整理后的织物与水的接触角达到133.5°。在PUAF的用量为1 g/100 g乙酸乙酯、并在180℃高温烘焙定型1.5 min的工艺条件下,经其整理的织物的疏水性可达到90分,疏油等级达到6级。A polyurethane modified fluorinated polyacrylate （PUAF） was prepared from 2- （perfluorohexy） ethyl acrylate （C6F） and the carbon-carbon double terminated polyurethane prepolymer（PUA） which was obtained by reaction of IPDI, PEG and hydroxypropyl acrylate（HPAA） in the presence of azobisisobutyronitrile as a radical polymerization initiator. The chemical structure, film morphology and application performance of PUAF were studied by infrared spectroscopy, field spectrum scanning electron microscopy （FE-SEM） , etc. PUAF could form hydrophobic membrane on the fiber or fabric surface which caused the contact angle of water on those substrates to increase to 133.5°. And when the dosage of PUAF in solution was 1 g in 100 g ethyl acetate, and when the polyester fabric was treated by such a PUAF solution and then dried at 180 ℃ for 1.5 min, the hydrophobieity of the treated fabric could reach 90 ; meanwhile the oil-repellent grade reached grade 6.

关 键 词：聚氨酯 氟代聚丙烯酸酯 疏水性 织物 纺织染整助剂 

分 类 号：TQ325.7[化学工程—合成树脂塑料工业]