Process for polymerisation of diethylene glycol bis allyl...

Details Process for polymerisation of diethylene glycol bis allyl... Process for polymerisation of diethylene glycol bis allyl...

2011-04-12

2011-04-12

McClendon, Sanza L (Department: 1765)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

C522S013000, C522S024000, C522S060000, C522S154000, C522S163000, C522S162000, C522S178000

Reexamination Certificate

active

07923484

ABSTRACT:
A process for polymerization of diethylene glycol bis allyl carbonate which may advantageously be employed for producing plastic lenses having a low refractive index comprising in the step of subjecting diethylene glycol bis allyl carbonate to the step of gamma radiation in the presence of diiso propyl peroxydicarbonate as a catalyst.

REFERENCES:
patent: 4138538 (1979-02-01), Kaetsu et al.
patent: 4812545 (1989-03-01), Renzi et al.
patent: 59045312 (1984-03-01), None
Darrraud-Taupic et al. The study of free radicals in poly (diethylene glycol bisallyl carbonste) irradiated by gamma rays. Polymer vol. 37, No. 13, pp. 3251-3254 (1995).

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