PPC/纳米羟基磷灰石复合材料的制备及其性能研究  

Preparation and Properties of PPC/Nano-hydroxyapatite Composites

作　　者：张永霞[1] 严亮 卢晓龙 Zhang Yongxia;Yan Liang;Lu Xiaolong(Department of Basic Public Education,Henan College of Transportation,Zhengzhou 450000,China;Henan Xinchen Environmental Protection Technology Co.,Ltd.,Zhengzhou 450000,China;School of Material and Engineering,Henan Polytechnic University,Jiaozuo 454001,China)

机构地区：[1]河南交通职业技术学院公共基础教学部,河南郑州450000 [2]河南新辰环保科技有限公司,河南郑州450000 [3]河南理工大学材料科学与工程学院,河南焦作454001

出　　处：《塑料科技》2019年第8期7-11,共5页Plastics Science and Technology

摘　　要：采用共混的方法制备了聚碳酸亚丙酯(PPC)/羟基磷灰石(HAP)复合材料,研究了HAP用量对于PPC/HAP复合材料断面形貌、力学性能、接触角和流变性能的影响。断面形貌分析结果表明,纯PPC材料属于韧性断裂,随着HAP用量的增加,PPC/HAP复合材料逐渐转变为脆性断裂;HAP在PPC基体中能够均匀分散,二者具有良好的界面相容性。力学性能测试结果表明,PPC/HAP复合材料的断裂强度和冲击强度随着HAP用量的增加逐渐提高,而断裂伸长率随着HAP用量的增加逐渐降低。PPC/HAP复合材料具有良好的亲水性,且亲水性与HAP的用量成正比。流变测试结果表明,PPC/HAP复合材料的表观黏度具有温度和剪切速率敏感性,且复合材料的表观黏度随着HAP用量的增加先提高后降低。Poly(propylene carbonate)(PPC)/hydroxyapatite(HAP)composites were prepared by blending method.The effects of HAP content on the fracture morphology,mechanical properties,contact angle and rheological properties of PPC/HAP composites were studied.The results of fracture morphology showed that pure PPC material belongs to ductile fracture,and PPC/HAP composites gradually change to brittle fracture with the increase of HAP content.HAP can be uniformly dispersed in PPC matrix,and they have good interfacial compatibility.The results of mechanical properties test showed that the fracture strength and impact strength of PPC/HAP composites increased with the increase of HAP content,while the elongation at break decreased with the increase of HAP content.PPC/HAP composites have good hydrophilicity and the hydrophilicity is proportional to the amount of HAP.The rheological test results show that the apparent viscosity of PPC/HAP composites has temperature and shear rate sensitivity,and the apparent viscosity of the composite increases first and then decreases with the increase of HAP content.

关 键 词：聚碳酸亚丙酯 羟基磷灰石 增强 流变性能 接触角 

分 类 号：TB332[一般工业技术—材料科学与工程] TQ323.41[化学工程—合成树脂塑料工业]