Cheil Industries Inc.

Korea Research Institute of Chemical Technology

Korea Research Institute

Kwang-Sup Lee

Kil-Yeong Choi

Jong Chan Won

Chang-Jin Lee

Byoung Kwon Park

Suh-Bong Rhee

Sung-Tai Ko

Myung-Hoon Lee

In-Tae Lee

Eun-Kyong Kim

Yong-Bong Han

The present invention provides a sol-gel composition which comprises a mixture of a polyalkylene glycol-substituted trialkoxysilane (PAGTAS), a polyalkylene glycol and/or alkyl ether, a tetraalkoxysilane (TAOS), a hydrochloric acid, at least one organic solvent and/or a lithium salt, which mixture is optionally concentrated; a polymeric ion conductive film obtained by coating said compositions with a conventional solution processing method and solid electrochemical elements using the same. According to the present invention, a polymeric ion conductive film having no phase separation, strong adhesiveness for electrode, and ion conductivity of at least 1&times;10,S/cm at room temperature is provided.

Sol-gel compositions and polymeric ion conductive film prepared therefrom

The present invention relates to new polyetherimideimides having imideimide group with the following structural formula(I) and inherent viscosity of 0.27.about.0.71 dl/g, which can be made by effecting reaction between an aromatic bis(ether anhydride) and an organic diamine or an aromatic bis(nitro imideimide) and a metal salt of diol. ##STR1## Wherein, R is ##STR2##

Polyetherimideimides and a method for manufacturing them

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Taejeon, South Korea

Kwang-Sup Lee