The Melt Flow Index (MFI) is a measure of the ease of flow of the melt of a thermoplastic polymer. It is defined as the mass of polymer, in grams, flowing in ten minutes through a capillary of a …

2018年4月3日 · Thanks to the high-quality nanosized crystals, the as-prepared ZSM-5 catalysts exhibit superior performance in methanol-to-propylene (MTP) reactions, which deliver a …

2021年1月19日 · Herein, we develop a simple synthetic strategy toward reducing the thickness along the b-axis of MFI-type crystals, thus providing a short diffusion path along the straight …

2020年2月14日 · Here, a facile approach involving anisotropic etching with an aqueous solution of tetrapropylammonium hydroxide (TPAOH) was developed for preparing uniform high–aspect …

2009年9月10日 · Here we show that appropriately designed bifunctional surfactants can direct the formation of zeolite structures on the mesoporous and microporous length scales …

2024年7月5日 · In this work, we achieved facile synthesis of continuous b -oriented MFI zeolite films with few twins over a wide crystallization temperature range of 30–210 °C through …

2025年2月20日 · In this study, a bolaform surfactant, C 6 H 13 –N + (CH 3) 2 –C 6 H 12 –N + (CH 3) 2 –C 6 H 12 –O–C 6 H 4 –O–C 6 H 12 –N + (CH 3) 2 –C 6 H 12 –N + (CH 3) 2 –C 6 H 13 …

MFI沸石纳米片（NSs）不仅保留了微孔沸石固有的催化、吸附和择形特性，而且还具有缩短的直通道长度，增强了客体分子的进入和传输。 由于它们在催化应用和气体分离中的理想性能， …

近日，浙江大学王正宝教授课题组设计了一种简单且有效的取向晶种层印刷技术，并且通过在合成体系中引入聚六亚甲基双胍盐酸盐（简化为phmb）作为孪晶抑制剂，成功地在多孔al 2 o 3 载 …

Chem. Rev., 2023, 123, 6039 DOI: 10.1021/acs.chemrev.2c00315 Alkali-resistant catalytic reduction of NO over CeO2-WO3/MCM-22 supported catalyst by releasing Brønsted acid sites