Method using 5-hydroxymethylfurfural to prepare 2,5-furandicarboxylic acid
A technology of hydroxymethyl furfural and furandicarboxylic acid is applied in the field of preparation of 2,5-furandicarboxylic acid and achieves the effects of good stability, high yield and good water resistance
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1~5
[0027] Take an appropriate amount of zirconia and add it to ethanol for ultrasonic dispersion, evenly spread it on the quartz plate with a dropper, and heat it with an infrared lamp to remove the ethanol. Put the quartz wafer into the deposition chamber, the temperature of the deposition chamber is set at 280 ° C, the platinum source is trimethylcyclopentadiene platinum, the temperature of the platinum source is set at 75 ° C, nitrogen is used as the carrier gas and purification gas, and ozone is the precursor , depositing Pt with different numbers of circles (5, 10, 20, 30 and 50 circles), the Pt content detected by ICP-MS is 0.75-6.10wt%.
[0028] The catalyzed oxidation reaction of 5-hydroxymethylfurfural is carried out in a 5mL stainless steel reactor, heated in an oil bath, and magnetically stirred, and sequentially added to a 5mL stainless steel high-temperature and high-pressure reactor Reaction conditions: catalyst 10mg, raw material 5-hydroxymethylfurfural 15mg , solv...
Embodiment 6~11
[0034] Take an appropriate amount of zirconia and add it to ethanol for ultrasonic dispersion, evenly spread it on the quartz plate with a dropper, and heat it with an infrared lamp to remove the ethanol. Put the quartz wafer into the deposition chamber, the temperature of the deposition chamber is set at 280 ° C, the platinum source is trimethylcyclopentadiene platinum, the temperature of the platinum source is set at 75 ° C, nitrogen is used as the carrier gas and purification gas, and ozone is the precursor , deposited for 30 laps, and the platinum content was determined to be 3.23wt% by ICP-MS.
[0035] Reaction conditions: 10 mg of catalyst, 15 mg of raw material 5-hydroxymethylfurfural, 3 mL of solvent water, different reaction temperatures (20, 40, 60, 80, 100 and 120 °C), oxygen The pressure is 0.4Mpa, the rotation speed is 600r / min, and the reaction time is 2h. The reaction results are shown in Table 2.
[0036] Table 2, the impact of different reaction temperatures ...
Embodiment 12~15
[0041] Take an appropriate amount of zirconia and add it to ethanol for ultrasonic dispersion, evenly spread it on the quartz plate with a dropper, and heat it with an infrared lamp to remove the ethanol. Put the quartz wafer into the deposition chamber, the temperature of the deposition chamber is set at 280 ° C, the platinum source is trimethylcyclopentadiene platinum, the temperature of the platinum source is set at 75 ° C, nitrogen is used as the carrier gas and purification gas, and ozone is the precursor , deposited for 30 laps, and the platinum content was determined to be 3.23wt% by ICP-MS.
[0042] Reaction conditions: 10 mg of catalyst, 15 mg of raw material 5-hydroxymethylfurfural, 3 mL of solvent water, 100 ° C reaction temperature, different oxygen pressures (0, 0.2, 0.4 and 0.6 MPa), The rotating speed is 600r / min, the reaction time is 2h, and the reaction results are shown in Table 3.
[0043] Table 3, the impact of different oxygen pressures on the reaction re...
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