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首页> 外文期刊>Journal of Applied Polymer Science >Facile preparation of functional and hybrid coatings by precipitations of polypyrrole and lysozyme via co-assembly process
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Facile preparation of functional and hybrid coatings by precipitations of polypyrrole and lysozyme via co-assembly process

机译：通过共组装法通过聚吡咯和溶菌酶沉淀制备功能和杂合涂层

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摘要

The integration of biological matters and functional polymers to generate novel hybrids with multi-functional properties has attracted an increasing attention in organic/organic systems, possessing a great promise for sensor, medical, and materials science applications. In this work, a facile co-precipitation method was developed to prepare conductive composite via a co-assembly process with one-step. Lysozyme was employed as an assembly template, and the pyrrole monomers were polymerized and aggregated with the lysozyme nanoparticles via oxide polymerization, forming a hybrid and functional coating with significant conductivity of ca. 6.7 x 10(-5) S. The structure and morphology of the hybrid is performed by X-ray photoelectron spectroscopy, Fourier transform infrared spectrometer, transmission electron microscopy, field emission scanning electron microscope, and laser scanning confocal microscope, and so on. The results showed that the coating was composed of homogenously and densely hybrid nanoparticles with the diameter of ca. 250 nm, possessing a certain degree of bio-adhesion from the lysozyme precipitations according to the 3 M peeling test. In addition, the composite performed good infrared radiation shielding property when it was coated onto normal gauze. It suggests that the composite consisting of lysozyme and polypyrrole precipitations in nanoscale may possess significantly potential applications as conductive and shielding materials.
机译：将生物物质和功能性聚合物结合起来，生成具有多功能性质的新型杂交体，在有机/有机系统中引起了越来越多的关注，在传感器、医学和材料科学领域有着巨大的应用前景。本研究开发了一种简便的共沉淀法，通过一步共组装工艺制备导电复合材料。采用溶菌酶作为组装模板，吡咯单体通过氧化物聚合与溶菌酶纳米颗粒聚合，形成具有约6.7 x 10（-5）S显著导电性的杂化功能涂层。通过x射线光电子能谱、傅里叶变换红外光谱仪、，透射电子显微镜、场发射扫描电子显微镜、激光扫描共聚焦显微镜等。结果表明，该涂层由直径约为250nm的均匀且密集混杂的纳米颗粒组成，根据3m剥离试验，该涂层对溶菌酶沉淀具有一定程度的生物粘附性。此外，将该复合材料涂覆在普通纱布上，具有良好的红外辐射屏蔽性能。这表明，由溶菌酶和聚吡咯沉淀组成的纳米复合材料可能具有作为导电和屏蔽材料的巨大潜在应用前景。

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