Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1987-09-21
1990-02-13
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524370, 524369, 428379, 428389, 428390, G21F 102
Patent
active
049007661
ABSTRACT:
A radiation-resistant high molecular composition is disclosed, characterized in that, to the high molecular polymer, a halogenated acenaphtylene and/or condensates thereof represented by a following general formula [I] ##STR1## (wherein, X indicates a chlorine or bromine atom, a indicates 0 to 2, b indicates 1 to 6 and n indicates an integer not less than 1) and a diphenyl ether derivative represented by a following general formula [II] ##STR2## (wherein, R.sub.1 and R.sub.2 indicate any ones of hydrogen atom, alkyl, alkoxy, phenyl phenoxy, diphenyloxy and terphenyloxy group) and/or basic lead compound are formulated.
REFERENCES:
patent: 4554173 (1985-11-01), Fujimura et al.
Fujimura Shunichi
Fukuka Teruo
Kubo Masashige
Okisaki Fumio
Tsutsumi Yukihiro
Guarriello John J.
Schofer Joseph L.
The Furukawa Electric Co. Ltd.
Toyo Soda Manufacturing Co.
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