tailieunhanh - Preparation of a novel solid acid catalyst with Lewis and Brønsted acid sites and its application in acetalization

A novel melamine–formaldehyde resin (MFR) supported solid acid with Lewis and Brønsted acid sites was synthesized through the immobilization of acidic ionic liquid and cuprous ion on MFR. The scanning electron microscopy (SEM) characterization showed that addition of PEG-2000 in the synthesis of MFR could promote the formation of regular particles with diameters around µm. The XRD pattern demonstrated that some cuprous ions were aggregated. |

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