C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/248
C08F 214/26 (2006.01) C08F 234/02 (2006.01) G02B 6/00 (2006.01) H05K 1/03 (2006.01) H05K 3/28 (2006.01)
Patent
CA 1211890
TITLE Amorphous Copolymers of Perfluoro-2,2-di- methyl-1,3-dioxole ABSTRACT OF THE DISCLOSURE Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole with tetrafluoroethylene and, optionally, with another ethylenically unsaturated monomer, have high glass transition temperatures, e.g., 85°C or higher, low indices of refraction, and good physical properties which make them suitable for high-temperature, high-transparency applications.
409763
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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