Akira Umehara

Intra-ion-pair Electron Transfer Mechanism for Photolysis of Diphenyliodonium Salt Sensitized by 9,10-Dmethoxyanthracene-2-sulfonate Counteranion

Kazuhiko Naitoh, Tsuguo Yamaoka, Akira Umehara · Chemistry Letters · 1991 · 39 citations

Abstract Diphenyliodonium 9,10-Dimethoxyanthracene-2-sulfonate, Organic Charge-transfer Compound, Chemical Engineering +15

Normal Vibrations of the Polymer Molecules of Helical Conformation. VI. Polytetrahydrofuran and Deuterated Polytetrahydrofurans

Kiyohisa Imada, Hiroyuki Tadokoro, Akira Umehara et al. · The Journal of Chemical Physics · 1965 · 38 citations

Normal Vibrations, Engineering, Chemistry +19

Three-Component Photopolymers Based on Thermal Crosslinking and Acidolytic De-Crosslinking of Vinyl Ether Groups. Effects of Binder Polymers on Photopolymer Characteristics

Seongyun Moon, Koji Kamenosono, S. Kondo et al. · Chemistry of Materials · 1994 · 23 citations

Engineering, Responsive Polymers, Organic Chemistry +19

Application of silylether and silylester polymer for chemical amplification system.

Toshiaki Aoai, Yoshimasa Aotani, Akira Umehara et al. · Journal of Photopolymer Science and Technology · 1990 · 13 citations · Full text

Chemical Engineering, Engineering, Silicone Polymers +14

Acid generation and deprotecting reaction by diphenyliodonium 9,10‐dimethoxyanthracene‐2‐sulfonate in a novolak positive photoresist based on chemical amplification

Kazuhiko Naitoh, Tsuguo Yamaoka, Akira Umehara · Polymers for Advanced Technologies · 1992 · 11 citations

Catalytic Chain Length, Chemical Engineering, Chemical Amplification +15