聚丁二酸丁二醇酯/改性钛酸钾晶须复合材料力学性能研究
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摘要
采用熔融共混法制备了PBS/钛酸钾晶须复合材料,研究了PTW添加量对PBS复合材料的力学性能和热力学性能的影响。实验结果表明:钛酸钾对PBS复合材料的拉伸强度影响不大。钛酸钾晶须含量为10%时,PBS基体扯断伸长率达到234.78%。钛酸钾晶须含量为25%时,弯曲强度和弯曲模量比纯的PBS材料分别高了12.826 MPa和528.17 MPa。PTW使复合材料的硬度降低,但使复合材料的分解温度升高。PTW在PBS基体中分散较均匀,界面结合较好。随着钛酸钾晶须含量的增加,PTW会略微出现团聚现象,但PTW对PBS的晶型结构没有影响。
PBS/potassium titanate whisker composites were prepared by melt blending method.The effects of PTW content on the mechanical and thermodynamic properties of PBS composites were studied.The experimental results showed that potassium titanate had little effect on the tensile strength of PBS composites.When the content of potassium titanate whisker was 10%,the elongation at break of PBS matrix reached 234.78%.When the content of potassium titanate whisker was 25%,the bending strength and modulus were 12.826 MPa and 528.17 MPa higher than those of pure PBS,respectively.PTW decreased the hardness of the composites,but increased the decomposition temperature of the composites.PTW was uniformly dispersed in PBS substrate and had good interface bonding.With the increase of potassium titanate whisker content,the aggregation of PTW appeared slightly,but PTW had no effect on the crystal structure of PBS.
PBS/potassium titanate whisker composites were prepared by melt blending method.The effects of PTW content on the mechanical and thermodynamic properties of PBS composites were studied.The experimental results showed that potassium titanate had little effect on the tensile strength of PBS composites.When the content of potassium titanate whisker was 10%,the elongation at break of PBS matrix reached 234.78%.When the content of potassium titanate whisker was 25%,the bending strength and modulus were 12.826 MPa and 528.17 MPa higher than those of pure PBS,respectively.PTW decreased the hardness of the composites,but increased the decomposition temperature of the composites.PTW was uniformly dispersed in PBS substrate and had good interface bonding.With the increase of potassium titanate whisker content,the aggregation of PTW appeared slightly,but PTW had no effect on the crystal structure of PBS.
引文
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[3]周晓明,王格.纳米氧化石墨烯/聚丁二酸丁二醇酯复合材料的制备与性能[J].复合材料学报,2017,34(9):1 887-1 894.
[4]陈祥辉,黄汉雄.低含量聚乳酸对微孔发泡聚丁二酸丁二醇酯泡孔结构的改善[J].高分子学报,2017,36(8):1 331-1 338.
[5]周晓明,武通浩,陈媛.聚乙二醇一聚丁二酸丁二醇酯~聚乙二醇嵌段共聚物的合成与表征[J].高分子材料科学与工程,2018,32(1):48-56.
[6]陈鹏,王文博,王亚桥,等.聚乳酸与聚丁二酸丁二醇酯共混体系发泡行为的研究[J].中国塑料,2017,31(3):69-75.
[7]辜婷,朱大勇,郑强,等.多巴胺改性滑石粉对聚乳酸/聚丁二酸丁二醇酯共混体系结晶行为及流变性能的影响[J].高分子材料科学与工程,2017,33(9):65-71.
[8]辜婷,朱大勇,郑强,等.聚ε-己内酯对聚乳酸/聚丁二酸丁二醇酯共混体系性能的影响[J].高分子材料科学与工程,2018,34(4):58-65.
[9]张水洞,汪鹏,徐跃,等.聚丁二酸丁二醇酯离聚物微孔发泡性能[J].高分子材料科学与工程,2017,33(5):124-130.
[10]王海军,王帅毅.尼龙6短纤维/聚丁二酸丁二醇酯复合体系的结晶行为[J].陕西科技大学学报,201 7,35(2):82-85.
[11]樊婧,周雪松,蔡永丰,等.六钛酸钾晶须的制备及生长机理的研究[J].人工晶体学报,2017,46(8):1 534-1 539.V
[12]李国昌.偏钛酸为钛源制备六钛酸钾晶须[J].硅酸盐通报,2017,36(9):3 220-3 224.
[13]张峻岭.碳纳米管对PP/SPTW复合材料力学性能的影响[J].包装工程,2017,28(7):74-78.
[14]吉政甲.树脂基摩擦材料组分形态及其对摩擦性能影响研究[D].武汉:中国地质大学,2017.
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[16]许可可,龙春光,付扬威.PTW增强POM/TPU复合材料的制备及性能研究[J].中国塑料,2017,31(6):41-45.
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[22]魏风军,汪伟,张峻岭.聚丙烯复合包装材料断面冲击强度的分形表征[J].包装工程,2016, 1 8(23):61-65.
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[24]张敏,郭欢欢,王蕾,等.聚丁二酸丁二醇酯/甲壳素晶须复合材料的制备及性能[J].精细化工,2018 29(1):43-50.
[25]邹立勇,赵依纯,韩镔耀,等.三位一体膨胀型烷基次膦酸盐对生物降解塑料PBS的阻燃与抗熔滴作用[J].塑料工业,2018,35(1):104-108.
[26]陈浩.聚丁二酸丁二醇酯材料阻燃改性的研究[D].长春:长春理工大学,2016.
[27]何小全,赵彩霞,邹国享,等.聚(丁二酸丁二醇-co-二聚酸丁二醇)酯的合成及等温结晶行为[J].高分子材料科学与工程,2016,32(6):6-11.
[28]毛龙,刘跃军,刘小超,等.层状前驱体制备复合金属氧化物及其协效阻燃脂肪族聚酯[J].高校化学工程学报,2017, 31(2):434-441.
[29]朱方.纳米二氧化硅和聚酰胺粉体改性脂肪族聚酯的研究[D].郑州:河南大学,2016.
[30] M Vandesteene.Synthesis of branched poly(butylene succina te):Structure properties relationship[J].高分子科学(英文版),2016, 34(7):873-888.