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A versatile strategy for the synthesis and mechanical property manipulation of networked biodegradable polymeric materials composed of well-defined alternating hard and soft domains

机译：网络化可生物降解的聚合物材料的合成和力学性能操纵的多功能策略，由良好定义的交替硬质和软域组成

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摘要

The present paper proposes a versatile strategy for the synthesis and mechanical property manipulation of networked biodegradable polymeric materials composed of well-defined alternating soft and hard domains. As an example of the strategy, we selected biodegradable poly(l-lactide) (PLLA) and poly(epsilon-caprolactone) (PCL) as the hard and soft components, respectively, and synthesized networked biodegradable polymeric materials composed of well-defined alternating PLLA and PCL domains with different l-lactide (LLA) unit contents via crosslinking of well-defined four-armed diblock copolymers of PLLA and PCL (4-C-L). The strategy reported here, which is also applicable to non-biodegradable polymeric materials, successfully facilitated the synthesis of the networked biodegradable materials composed of alternating hard and soft domains and their mechanical properties of the synthesized materials were largely manipulated by the LLA unit contents of the precursor four-armed diblock 4-C-L copolymers. Moreover, the crystallization behavior and thermal properties of 4-C-L copolymers before and after crosslinking were investigated and discussed.
机译：本文提出了一种多功能策略，用于组成的网络可生物降解的聚合物材料的合成和机械性能，由良好定义的交替柔软和硬结构域组成。作为该策略的一个例子，我们选择可生物降解的聚（L-丙交酯）（PLLA）和聚（ε-己内酯）（PCL）分别为硬质和软组分，并合成由定义良好的交替组成的网络化可生物降解的聚合物材料PLLA和PCL结构域具有不同的L-丙交酯（LLA）单元内容物，通过交联定义的PLLA和PCL（4-CL）的熟明的四臂二嵌段共聚物。这里报道的策略也适用于非可生物降解的聚合物材料，成功促进了由交替的硬质和软结构域组成的网络可生物降解材料的合成及其合成材料的机械性能主要由LLA单元内容物操纵前体四臂二嵌段4-Cl共聚物。此外，研究并讨论了在交联之前和之后的4-C-L共聚物的结晶行为和热性质。

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  • 来源
    《RSC Advances》 |2019年第13期|共13页
  • 作者

    Tsuji Hideto; Tamura Ken-ichi; Arakawa Yuki;

  • 作者单位

    Toyohashi Univ Technol Dept Environm &

    Life Sci Grad Sch Engn Toyohashi Aichi 4418580 Japan;

    Toyohashi Univ Technol Dept Environm &

    Life Sci Grad Sch Engn Toyohashi Aichi 4418580 Japan;

    Toyohashi Univ Technol Dept Environm &

    Life Sci Grad Sch Engn Toyohashi Aichi 4418580 Japan;

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  • 正文语种 eng
  • 中图分类 化学;
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