申请人:Sumitomo Seika Chemicals Co. Ltd.
公开号:EP2351735A1
公开(公告)日:2011-08-03
It is an object of the present invention to provide an aprotic polar solvent mainly useful as a solvent for an electrochemical device, and having a comparatively low melting point and excellent thermal stability.
The present invention is a sulfone compound represented by the following formula (1),
wherein, in the formula (1), R1 and R2 each represent a C3-C6 alkyl group, and R1 and R2 are different.
本发明的目的是提供一种无质子极性溶剂,主要用作电化学装置的溶剂,具有相对较低的熔点和优异的热稳定性。本发明是一种由以下式子(1)所表示的磺酰化合物,其中,在式(1)中,R1和R2各代表C3-C6烷基,且R1和R2不同。