Preparation and roperties of thin solid films of polydiacetylenes

Research Project

Project/Area Number	61550679
Research Category	Grant-in-Aid for General Scientific Research (C)
Allocation Type	Single-year Grants
Research Field	高分子合成
Research Institution	Tottori University
Principal Investigator	KIJI Jitsuo Prof. Faculty of Engineering, Tottori University, 工学部, 教授 (60026002)
Co-Investigator(Kenkyū-buntansha)	OKANO Tamon Faculty of Engineering, Tottori University, 工学部, 助手 (20112104) KONISHI Hisatoshi Faculty of Engineering, Tottori University, 工学部, 助教授 (40112106)
Project Period (FY)	1986 – 1987
Project Status	Completed (Fiscal Year 1987)
Budget Amount *help	¥1,800,000 (Direct Cost: ¥1,800,000) Fiscal Year 1987: ¥400,000 (Direct Cost: ¥400,000) Fiscal Year 1986: ¥1,400,000 (Direct Cost: ¥1,400,000)
Keywords	Thin solid film of polydiacetylene / Solid-state photo-polymerization / イオン架橋ポリジアセチレン / ポリジアセチレン / LB膜 / 重合性ベシクル
Research Abstract	This study aims at synthesizing functionalized polydiacetylenes. It is divided into two parts; the one is the preparation of thin solid films of amphiphilic diacetylenes and the other is the synthesis of crystalline ionomers of diacetylenes. 1. An Attempt to Prepare a Thin Solid Film of Mixed Diacetylenes The materials used were 10,12-heptacosadiynoic acid ans 1,2i-dicarbazoly1-10,12-docosadivn-1,22-dione. Monolayer of this mixed monomers (10:1) was spread onto aqueous subphase. Multilayer, prepared by the Langmuir-Blodgett technique on a glass plate, was irradiated with UV. The multilayer turned blue within 10 min. 2. Synthesis of Crystalline Ionomers of Diacetylenes Calcium, cobalt, nickel, copper, zinc, cadmium, and barium 10,12-docosa-diynoates were prepared. Irradiation with UV gave colored polymers. The zinc salt gave the best results in terms of reactivity. The zinc polymer showed X-ray reflections. This fact indicates that the polymer is two-demensional crystalline polymer cross-linked with zinc. More work is needed in order to characterize the polymers and to improve the processability of the cross-linked crystalline polymers.