US 2013/0172591 A1 · METHODS FOR PRODUCING IRON METHACRYLATE AND HYDROXYALKYL METHACRYLATE

Abstract

There is provided a method for producing iron methacrylate being inexpensive, and being high in activity and selectivity and good in solubility to a reaction liquid when being used in production of a hydroxyalkyl methacrylate as a catalyst. The method for producing iron methacrylate for production of a hydroxyalkyl methacrylate according to the present invention includes subjecting a mixture of a metallic iron having an oxygen atom content by XRF analysis of the surface thereof of 6% by mass or lower, and methacrylic acid to a heat treatment at 95° C. or higher and lower than 110° C. for 100 to 600 min. The method for producing a hydroxyalkyl methacrylate according to the present invention includes reacting an alkylene oxide with methacrylic acid to produce the hydroxyalkyl methacrylate, wherein iron methacrylate produced by the method according to the present invention is used as a catalyst.

Claims20

Dependent claims

A method for producing iron methacrylate, the method comprising subjecting a mixture of a metallic iron and methacrylic acid to a heat treatment at a temperature of from 95° C. to 110° C. for 100 to 600 min,

wherein the metallic iron has an oxygen atom content by XRF analysis of a surface thereof of 6% by mass or lower.

Dependencies are inferred from the claim text.

Facts

Application

13/822,017Filed 26 Dec 2011

Priority

JP 2010-29087927 Dec 2010

Published

4 Jul 2013

Term ends

Not estimatedThe source records don’t support an estimate.

Classification7 codes

B01J 31/12
Containing organic compounds or metal hydrides: containing organo-metallic compounds or metal hydrides
B01J 31/2226
Oxygen, e.g. acetylacetonates: anionic ligands, i.e. the overall ligand carries at least one formal negative charge
C07C 51/412
Preparation of salts of carboxylic acids: by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part
C07C 67/26
By reacting carboxylic acids or derivatives thereof with a carbon-to-oxygen ether bond, e.g. acetal, tetrahydrofuran: with an oxirane ring

Methods for producing iron methacrylate and hydroxyalkyl methacrylate

Life of this patent

Methods for producing iron methacrylate and hydroxyalkyl methacrylate

Life of this patent

Abstract

Claims20