不同溶剂对聚吡咯/涤纶材料抗凝血性能的影响  

Influence of different solvents on anticoagulant property of polyprrole/polyester materials

作　　者：陈莹 王鸿达[1,2,3] 李宥宣 

机构地区：[1]北京服装学院材料科学与工程学院,北京100029 [2]北京服装学院服装材料研究开发与评价北京市重点实验室,北京100029 [3]北京服装学院北京市纺织纳米纤维工程技术研究中心,北京100029

出　　处：《纺织学报》2018年第2期132-137,共6页Journal of Textile Research

基　　金：北京市教委科技计划一般项目(KYTG02170206/016);北京市服装材料研究开发与评价重点实验室开放课题(KYTG02170205)

摘　　要：为改善涤纶材料的抗凝血性能,在涤纶织物表面涂覆具有良好生物相容性的聚吡咯。采用原位聚合的方法,利用不同的溶剂获得具有不同表面性能的聚吡咯涂层,通过动态凝血性能测试表征复合材料的抗凝血性能。结果表明:在不同溶剂和不同比例的混合溶剂中可得到具有不同表观形态和表观深度的聚吡咯涂层,在水溶液中得到的表观深度最小;腈水混合溶剂中,随着腈水比的增大,K/S值越大,在腈水比较小时所得聚吡咯复合织物的聚吡咯镀膜较光滑。抗凝血试验结果表明:十六烷基三甲基溴化铵与吡咯(CTAB/Py)量比为1∶2条件下的抗凝血程度最好,5 min时所制得的试样抗凝血程度较未涂层的涤纶织物提高了140%;抗凝血程度与织物上聚吡咯的微观形态及表面性能有关。In order to improve the cytoeompatibility of polyester （PET） materials, polypyrrole （PPy） with good biocompatibility was coated on PET fabric. In situ polymerization using different solvents was used to prepared polypyrrole coating with different surface performances. The performance of dynamic blood clotting test was carried out to characterize anticoagulant properties of composited materials. The results show that different surface morphologies and K/S values can be acquired using different solvents and different ratios for the mixed solvents. The K/S value is smallest in the water as the solvent. For ACN/water solvent, with the increase of ACN/water ratio, the K/S value increases and the surface of PPy/PET is smoother when ACN/water ratio is smaller. BCI is the best when CTAB/Py is 1：2, improves about 140% at 5 min compared to the uncoated PET fabrics. Anticoagulant properties are related to rnicromorphology and surface properties of PPy.

关 键 词：抗凝血 涤纶 聚吡咯 原位聚合 

分 类 号：TS101.4[轻工技术与工程—纺织工程]