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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 13, Number 1
BKCSDE 13(1)
January 20, 1992 

Synthesis an Characterization of Poly(alkoxy- and aryloxyphosphazene) Copolymers
Hyoung Gee Baik, Youn Soo Sohn*, Yong Kiel Sung
Copolymers with two different side groups, 2,2,2-trifluoroethoxy and p-chlorophenoxy groups, have been synthesized by reaction of poly(dichlorophosphazene) with their sodium salts, and characterized by elemental analysis, gel permeation chromatography, IR and NMR spectroscopies. The molecular weight measurement has shown that the weight average molecular weight, Mw of the copolymers are all above 106 and their molecular weight distributions are monomodal and narrow (Mw/Mn < 4). Thermal properties of these copolymers measured by DSC and TGA exhibited to be intermediate between those of the two corresponding homopolymers.
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