纳米沸石基填料增强聚碳酸酯/聚苯乙烯-共烯丙醇膜的气体分离

Ayesha Kausar
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引用次数: 6

摘要

摘要本研究采用相转化技术制备了聚碳酸酯(PC)和聚苯乙烯-共聚物烯丙醇(PSAA)共混膜。采用纳米沸石(NZ)和纳米沸石-碳纳米管(NZ- cnt)两种纳米填料对膜进行补强。填充量为10 wt.%的PC/PSAA/NZ-CNT膜形成了陀螺型微观结构。PC/PSAA/NZ 1-10的抗拉强度为42.1 ~ 55.5 MPa, PC/PSAA/NZ- cnt 1-10的抗拉强度为56.9 ~ 68.7 MPa。PC/PSAA/ nz - cnt10的抗拉强度比PC/PSAA基体(32.2 MPa)提高了53%。同样,PC/PSAA/NZ- cnt 1-10的杨氏模量从133.2增加到144.2 MPa,高于PC/PSAA/NZ 1-10的101.1 ~ 122.1 MPa。NZ-碳纳米管填料比NZ更有效地提高了透电选择性。PC/PSAA/NZ- cnt10的αCO2/N2为38.2,高于PC/PSAA/ nz10(36.3)和纯共混(27.2)。渗透率PCO2…
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Membranes of polycarbonate/poly(styrene-co-allyl alcohol) reinforced with nano-zeolite-based filler for gas separation
ABSTRACTIn this work, blend membrane of polycarbonate (PC) and poly(styrene-co-allyl alcohol) (PSAA) was fabricated via phase inversion technique. Two types of nanofiller were employed for the membrane reinforcement including nano-zeolite (NZ) and bifiller of nano-zeolite-carbon nanotube (NZ-CNT). The PC/PSAA/NZ-CNT membrane with 10 wt.% filler revealed the formation of gyroid type microstructure. The tensile strength of PC/PSAA/NZ 1–10 was 42.1–55.5 MPa, whereas PC/PSAA/NZ-CNT 1–10 showed higher value of 56.9–68.7 MPa. Moreover, the tensile strength of PC/PSAA/NZ-CNT 10 was 53% higher than the PC/PSAA matrix (32.2 MPa). Similarly, the Young's modulus of PC/PSAA/NZ-CNT 1–10 was increased from 133.2 to 144.2 MPa, and was found higher than the PC/PSAA/NZ 1–10 (101.1–122.1 MPa). The NZ-CNT filler was found more effective than NZ in enhancing permselectivity. The αCO2/N2 for PC/PSAA/NZ-CNT 10 was increased up to 38.2, which was higher than the PC/PSAA/NZ 10 (36.3) and neat blend (27.2). The permeability PCO2 ...
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