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首页> 外文期刊>Journal of Applied Polymer Science >Novel approach for the preparation of a compatibilized blend of nylon 11 and polypropylene with polyhydroxybutyrate: Mechanical, thermal, and barrier properties
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Novel approach for the preparation of a compatibilized blend of nylon 11 and polypropylene with polyhydroxybutyrate: Mechanical, thermal, and barrier properties

机译：制备尼龙11和聚丙烯的相容混合物的新方法：机械，热和阻隔性能

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This article comprises of the interaction in the immiscible polymer system of nylon 11 (PA 11), polypropylene (PP), and polyhydroxybutyrate (PHB). Reactive compatibilization extrusion method with maleic anhydride-grafted polypropylene (PP-g-MA) is used to achieve compatibility within the polymer. To further improve the interaction of the blend at interphase, PHB was added as a dispersive phase in a concentration varying from 10 to 40% of the total batch. Addition of PHB motives the excellent dispersion of PP chain in PA 11 and assures the compatibility between the phases of PA 11 and PP-g-MA. The entire system of tertiary and binary phases was blended in a twin-screw extruder at different composition. The macro-optimal tensile strength, Young's modulus, bending strength, and notched impact strength of PA11/PP systems were found to be superior as compared to their noncompatibilized systems. The degradation temperature of the blends of PA11/PP and PA11/PHB/PP with and without compatibilizer was evaluated by thermogravimetric analysis (TGA). It was found that the high temperature of degradation was required for compatibilized ternary blend than that of the compatibilized binary blend. The distortion temperature of the systems was studied with the help of heat deflection temperature (HDT) and found to be advanced for blend having a higher concentration of the dispersed phase. Differential scanning calorimetry (DSC) was used to determine the % crystallinity, melting, and crystallization temperature of this system. Chemical resistance and barrier properties of the different compatibilized and noncompatibilized blends were studied. PHB dispersed phase with a reactive compatibilizer cause enhancement in chemical resistance and barrier properties of the blend. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 48152.
机译：本文包括尼龙11（PA 11），聚丙烯（PP）和聚羟丁酸酯（PHB）的不混溶聚合物体系中的相互作用。用马来酸酐接枝聚丙烯（PP-G-MA）的反应性相容挤出方法用于实现聚合物内的相容性。为了进一步改善共混物的相互作用，将PHB加入到分散相中，其浓度从总批料的10-40％变化。添加PHB动力的PP链在PA 11中的优异分散，并确保PA 11和PP-G-MA之间的相位之间的相容性。将整个第三次和二进制相的系统混合在不同组成的双螺杆挤出机中。发现PA11 / PP系统的宏观最佳拉伸强度，杨氏模量，弯曲强度和缺口冲击强度与其非呈现的系统相比，较优越。通过热重分析（TGA）评估PA11 / PP和PA11 / PP / PP的共混物的降解温度（TGA）评价。发现与相容的二元混合物的相容的三元共混物需要高温降解。在热偏转温度（HDT）的帮助下，研究了系统的变形温度，发现较高的分散相浓度的共混物。差分扫描量热法（DSC）用于确定该系统的％结晶度，熔化和结晶温度。研究了不同增容和非呈现共混物的耐化学性和阻隔性能。 PHB分散相具有反应性的增容剂，导致混合物的耐化学性和屏障性能提高。 （c）2019 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2019,136,48152。

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