Method for catalytically synthesizing polyformaldehyde dimethyl ether
A technology of polyoxymethylene dimethyl ether and trioxymethylene, which is applied in chemical instruments and methods, preparation of organic compounds, organic chemistry, etc., can solve problems such as low utilization efficiency of unit catalysts, and achieve improved distribution, reduced selectivity, The effect of improving utilization efficiency
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0016] Add 0.5 g catalyst SO to a 300 ml tank reactor 4 2- / ZrO 2 / SBA-15, 100ml of methanol and 100g of paraformaldehyde, react at 130°C and 0.7MPa autogenous pressure for 4h, extract the sample and analyze it by gas chromatography after centrifugation. The product contains methylal, polyoxymethylene dimethyl ether and unreacted raw materials, and its composition distribution is shown in Table 1.
Embodiment 2
[0018] Add 0.5 g of catalyst Cl to a 300 ml tank reactor - / Fe 2 o 3 / MCM-22, 45 ml of methanol and 100 g of paraformaldehyde, reacted at 130 ° C and 0.4 MPa autogenous pressure for 4 hours, extracted samples and analyzed them by gas chromatography after centrifugation. The product contains methylal, polyoxymethylene dimethyl ether and unreacted raw materials, and its composition distribution is shown in Table 1.
Embodiment 3
[0020] Add 0.1 g catalyst SO to a 300 ml tank reactor 4 2- / ZrO 2 / SBA-15, 100ml of methanol and 100g of paraformaldehyde, react at 150°C and 0.5MPa autogenous pressure for 4h, extract the sample and analyze it by gas chromatography after centrifugation. The product contains methylal, polyoxymethylene dimethyl ether and unreacted raw materials, and its composition distribution is shown in Table 1.
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com