• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of Applied Polymer Science >Compatibilization and ultraviolet blocking of PLA/PCL blends via interfacial localization of titanium dioxide nanoparticles
【24h】

Compatibilization and ultraviolet blocking of PLA/PCL blends via interfacial localization of titanium dioxide nanoparticles

机译：PLA / PCL的相容性和紫外线阻断通过二氧化钛纳米粒子的界面定位共混

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

In this work, the effect of TiO2 addition over morphological and ultraviolet (UV) blocking properties of poly(lactic acid) (PLA) and poly(-caprolactone) (PCL) blends was investigated. The micrographs showed a partially co-continuous structure in the PLA/PCL blend with 42/58 (wt %/wt %) and the TiO2 nanoparticles addition leads to a structural phase inversion, i.e., continuous PCL and partially continuous PLA with a dispersed portion. TiO2 nanoparticles were observed to be preferably localized at the interface of the two phases due to kinetic effects (large difference between the melting temperatures) and nanoparticle geometry (low aspect ratios). An adhesion improvement between the phases and morphological stability were observed with the addition of TiO2 nanoparticles. This behavior indicates that the nanoparticles can act as compatibilizers due to their localization at the interface between the two phases. The UV light absorption and transmission percolation threshold occurred with 1.5% TiO2 in the 42PLA/52PCL blend. (c) 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 45813.
机译：在这项工作中，研究了TiO2添加对不同（乳酸）（PLA）和聚（ - 己内酯）（PCL）共混物的形态和紫外（UV）阻断性能的影响。显微照片显示PLA / PCL共混物中的部分连续结构，具有42/58（wt％/ wt％），并且TiO2纳米颗粒加入导致结构相反转，即连续PCL和部分连续的PLA，其中分散部分。观察到TiO2纳米颗粒优选是由于动力学效应（熔化温度之间的大差异）和纳米颗粒几何（低纵横比）局部地定位在两相的界面处。通过加入TiO2纳米颗粒观察阶段和形态稳定性之间的粘附性改善。这种行为表明，由于它们在两个阶段之间的界面处的定位，纳米颗粒可以充当兼容器。在42PLA / 52pCl混合物中，在1.5％TiO 2中发生UV光吸收和透射渗透阈值。 （c）2017 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2018,135,45813。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号