Thin-felt ZSM-11/stainless-steel(SS)-fiber composites are successfully prepared via a combined washcoating and steam-assisted crystallization (SAC) method. Pre-aging of synthesis sol at a lower temperature of 80 °C can facilitate the zeolite nucleation and subsequent SAC growth at 180 °C. Such synthesis approach realizes the flexible tuning of acidity via adjusting SiO₂/Al₂O₃ molar ratio in a wide range, including but not limited from 105 to 425. The as-synthesized ZSM-11/SS-fiber composites are employed as catalysts for the methanol-to-propylene reaction, and the promising thin-felt catalyst with SiO₂/Al₂O₃ molar ratio of 200 shows remarkable stability improvement in comparison with its powdered counterpart, due to enhanced zeolite utilization efficiency and heat/mass transfer by the microfibrous-structured design.

通过结合修补基面涂层和蒸汽辅助结晶（SAC）方法成功制备了薄毡ZSM-11 /不锈钢（SS）-纤维复合材料。合成溶胶在80°C的较低温度下进行预老化可以促进沸石成核和随后在180°C下SAC的生长。这种合成方法通过在宽范围内调节SiO ₂ / Al ₂ O ₃摩尔比（包括但不限于105至425）实现了灵活的酸度调节。合成后的ZSM-11 / SS-纤维复合材料用作催化剂用于甲醇制丙烯反应，以及具有前景的SiO ₂ / Al ₂ O ₃薄毡催化剂 摩尔比为200时，与之相比，其粉末状粉体具有显着的稳定性提高，这是由于微纤维结构设计提高了沸石的利用效率和热/质量传递。