PPC/纳米羟基磷灰石复合材料的制备及其性能研究
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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.
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.
引文
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[2]杨钦,潘莉莎,徐鼐,等.生物降解聚碳酸亚丙酯基非织造布的制备与性能[J].塑料,2018,47(1):64-68,71.
[3]陈灵志.聚碳酸亚丙酯的研究进展[J].化学工程与装备,2017(7):219-221.
[4]张敬勋.聚碳酸亚丙酯在膜制品中的应用研究[D].青岛:青岛科技大学,2017.
[5]蔡卓,张友胜,肖谢飞,等.醋酸纤维素/聚碳酸亚丙酯复合膜的制备与性能[J].塑料,2018,47(5):64-66,71.
[6]陈祥根.交联聚碳酸亚丙酯的合成与性能研究[D].广州:华南理工大学,2018.
[7]桑练勇,晏华,代军,等.聚碳酸亚丙酯/聚乳酸共混物性能研究进展[J].中国塑料,2018,32(1):7-14.
[8]张家鹏,焦利勇.纳米纤维素对聚碳酸亚丙酯力学性能的影响研究[J].塑料工业,2016,44(6):110-112.
[9]黎演明,李秉正,潘丽霞,等.硅烷化改性木薯淀粉/聚碳酸亚丙酯共混膜的结构及耐水性[J].高分子材料科学与工程,2014,30(12):65-69.
[10]常海波,王世浩,赵文善,等.聚碳酸亚丙酯的化学改性[J].高分子通报,2015,28(5):85-92.
[11]孙娇,黎厚斌,李潇,等.聚碳酸亚丙酯化学改性研究进展[J].中国印刷与包装研究,2014,6(1):16-24.
[12]尚应琦.聚碳酸亚丙酯改性[D].兰州:西北师范大学,2015.
[13]吴谦,王栋,孙瑾.改性聚碳酸亚丙酯的研究现状[J].当代化工,2013,42(12):1 715-1 716.
[14]高建,张琴,陈枫,等.聚碳酸亚丙酯改性研究进展[J].高分子通报,2013,26(9):68-76.
[15]Zhao J,Han W,Chen H,et al.Fabrication and in vivo osteogenesis of biomimetic poly(propylene carbonate)scaffold with nanofibrous chitosan network in macropores for bone tissue engineering[J].Journal of Materials Science Materials in Medicine,2012,23(2):517-525.
[16]Manavi Tehrani I,Fathi A,Wang Y,et al.Reinforced poly(propylene carbonate)composite with enhanced and tunable characteristics,an alternative for poly(lactic acid)[J].ACSApplied Materials&Interfaces,2015,7(40):22 421-22 430.
[17]马遥.静电纺PBS/PPC载rh-BMP2纳米纤维膜的制备及生物活性评价[D].长春:吉林大学,2015.
[18]李玥,张恒飞,孟静静,等.CSH增强PPC骨修复材料的制备及性能表征[J].中国塑料,2018,32(10):58-64.
[19]柳彦梅,张存良,海士坤,等.勃姆石阻燃和增强聚碳酸亚丙酯复合材料的制备和表征[J].塑料科技,2018,46(9):73-77.
[20]姜黎,钟苗苗,石璞.蒙脱土增强聚碳酸亚丙酯(PPC)复合材料的性能[J].塑料,2016,45(6):38-41.
[21]杨学莉.晶须增强PPC/PBS复合材料的力学性能与热稳定性的研究[D].哈尔滨:东北林业大学,2016.
[22]李红媛.纤维素增强PPC/CaCO3复合材料及其降解性研究[D].哈尔滨:东北林业大学,2013.
[23]李刚,刘晓南,张道海,等.纳米羟基磷灰石/聚乳酸多孔生物工程材料的制备与性能[J].高分子材料科学与工程,2018,34(10):158-164.
[24]朱宇航.可注射型微/纳米混合PGA纤维增强HA/PLGA复合支架材料修复骨缺损[D].长春:吉林大学,2018.
[25]代耀.碳纳米管和纳米羟基磷灰石增强聚己内酯骨支架的性能研究[D].南昌:南昌大学,2018.