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首页> 外文期刊>ACS Omega >Polyester–Polysiloxane Hyperbranched Block Polymers for Transparent Flexible Materials
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Polyester–Polysiloxane Hyperbranched Block Polymers for Transparent Flexible Materials

机译:用于透明柔性材料的聚酯 - 聚硅氧烷超支化块聚合物

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Highly transparent flexible silicone elastomers are useful for certain stretchable electronics and various types of smart devices. Polyester–polysiloxane hyperbranched block copolymers are synthesized by ring-opening polymerization of octamethylcyclotetrasiloxane initiated by macromolecular lithium alkoxide. Treatment of these copolymers with tetraethoxysilane and dibutylin dilaurate at room temperature gives the corresponding transparent elastic materials. The transparency of the materials can reach 90% (700–800 nm), and the starting thermal decomposition temperatures of the materials are higher than 330 °C. Very interestingly, though the highest tensile strength of the material prepared is about 0.48 MPa, the elongation at break can reach 778–815%. The results will inspire us to develop highly transparent flexible silicone materials by designing copolymers of silicone materials and hyperbranched polymers.
机译:高度透明的柔性硅氧烷弹性体可用于某些可拉伸电子和各种类型的智能设备。通过大分子锂醇锂引发的八甲基甲基四酮四硅氧烷的开环聚合来合成聚酯 - 聚硅氧烷超支化嵌段共聚物。在室温下用四乙氧基硅烷和二丁基素稀释物处理这些共聚物给予相应的透明弹性材料。材料的透明度可以达到90%(700-800nm),并且材料的起始热分解温度高于330℃。非常有趣的是,虽然制备的材料的最高拉伸强度约为0.48MPa,但断裂的伸长率可达到778-815%。结果将激发我们通过设计硅氧烷材料和超支化聚合物的共聚物来开发高度透明的柔性硅胶材料。

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