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  • 1 Ciudad Universitaria Departamento de Química de Radiaciones y Radioquímica, Instituto de Ciencias Nucleares Universidad Nacional Circuito Exterior S/N C.P. 04510 Coyoacán DF Mexico
  • | 2 Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria Instituto de Investigaciones en Materiales 04510 Mexico DF Mexico
  • | 3 Texas State University Department of Chemistry & Biochemistry 601 University Drive San Marcos TX 78666 USA
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A series of fluoropolymer films was synthesized by reacting 1,3-bis(1,1,1,3,3,3-hexafluoro-2-pentafluorophenylmethoxy-2-propyl)benzene (12F-FBE) with a series of bisphenol monomers via a polycondensation reaction. The biphenols used included a diphenol-substituted spirodilactam, biphenol, bisphenol A, bisphenol AF, bisphenol F and bisphenol O. Polymers films from these new fluoropolyaryl ethers were irradiated by a Gamma Beam 657-PT at a dose rate of 9 kGy/h; the absorbed dose was varied between 30 and 150 kGy. The effect on the chemical structure upon radiation was studied by DSC, TGA, FTIR-ATR, NMR, and GPC, both before and after irradiation. The data obtained allowed the determination of the degradation radiochemical yield (Gs), between 0.24 and 7.43 crosslinking radiochemical yield (Gx), from 0.03 to 1.47 and the ratio of Gs/Gx was between 2.89 and 8.28. There was no apparent physical change, from 30 to 150 kGy; the films continue to be flexible and transparent after irradiation.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
per Year
per Year
Founder Akadémiai Kiadó
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)