期刊
JOURNAL OF ENERGY CHEMISTRY
卷 22, 期 6, 页码 833-836出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S2095-4956(14)60261-8
关键词
polyoxymethylene dimethyl ethers (PODE); diesel additive; chain propagation; product distribution; Schulz-Flory law
资金
- NSFC [21073088]
Polyoxymethylene dimethyl ethers (PODE) were synthesized from the reaction of paraformaldehyde with dimethoxymethane (DMM) over different acid catalysts at different conditions. Products were found to follow the Schulz-Flory distribution law. The chain propagation proceeds through the insertion of an individual segment of CH2O one by one, while the simultaneous insertion of a few CH2O segments or their assembly is unlikely. Due to the restriction of this law, it is difficult to increase the selectivity to the desired products (e.g., PODE3-4).
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