Ionic liquids and processes and apparatus for their production. The ionic liquids can be low sulfur and low halide carboxylated ionic liquids. The ionic liquids can be produced via formation of at least one intermediate carboxylated ionic liquid, and thereafter subjecting the intermediate carboxylated ionic liquid to at least one anion exchange process.
METHOD FOR PRODUCING AMIDATE COMPOUND, AND AMIDATE COMPOUND
申请人:KOEI CHEMICAL COMPANY, LIMITED
公开号:US20220048864A1
公开(公告)日:2022-02-17
A method for producing an amidate compound represented by Formula (4), comprising reacting an iminium salt represented by Formula (1) and an organic compound represented by Formula (3), wherein Formulas (1), (3), and (4) are as defined in the description.
METHOD FOR PRODUCING CARBOXYLATE COMPOUND AND METHOD FOR PRODUCING AMIDATE COMPOUND
申请人:Koei Chemical Company, Limited
公开号:EP4101845A1
公开(公告)日:2022-12-14
This invention provide a method for producing a carboxylate compound represented by the following formula (3a), the method comprising reacting an imidazolium carboxylic acid salt represented by the following formula (1) and a carbonic acid ester represented by the following formula (2):
wherein R1 to R7 are as defined in the specification.
Regioselectively substituted cellulose esters produced in a carboxylated ionic liquid process and products produced therefrom
申请人:EASTMAN CHEMICAL COMPANY
公开号:US10174129B2
公开(公告)日:2019-01-08
This invention relates to novel compositions comprising regioselectively substituted cellulose esters. One aspect of the invention relates to processes for preparing regioselectively substituted cellulose esters from cellulose dissolved in ionic liquids. Another aspect of the invention relates to the utility of regioselectively substituted cellulose esters in applications such as protective and compensation films for liquid crystalline displays.