Title:
【発明の名称】トリオキサンの製造法
Document Type and Number:
Japanese Patent JP2906220
Kind Code:
B2
Abstract:
A process for producing trioxane comprising an aqueous formaldehyde solution with an acidic catalyst, wherein the concentrations of methanol and formic acid present in reaction system are controlled each at 0.5-5 wt.% and the concentration of methanol in terms of wt.% is controlled so as not to exceed two times the concentration of formic acid in terms of wt.%. With this process, the corrosion of production equipment is very low, the amounts of by-products formed are small, and trioxane can be produced efficiently.
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Inventors:
MORISHITA HIROHISA
Application Number:
JP28615594A
Publication Date:
June 14, 1999
Filing Date:
October 27, 1994
Export Citation:
Assignee:
ASAHI KASEI KOGYO KK
International Classes:
B01J31/10; C07B61/00; C07D323/06; (IPC1-7): C07D323/06; B01J31/10
Domestic Patent References:
| JP59134789A | ||||
| JP5487792A | ||||
| JP4826032B1 |
Attorney, Agent or Firm:
Takeshi Shimizu (2 outside)