Investigation of the macromolecular reaction of polychlorophosphazene and polyarylenesulfone oxide

Abstract

~:ntersrtchrrng der rnakron~olekrrlareri Realrtion iwn I'olyclrlor~rliospl~nzen rnit I'olyarllleris1llfr)nozid Die Kondensatioti der Ixiden Polynierc in Tct.ralivtlrofui;rtl in Gcgenwart voii Triethylamin fiilirt zur Pfropfuirg von Polyarylerisulloiiosid auf Polychlorpliospliazc.~r i n i t folgeirtl(*r Substitution der hydrolytiscli unlxstiindigcn Chloralorne irn Polypliosphazentcil des I'fr(rI)fcoti(ilviiiel.s durcli T r i l l u o r e t h o x~g r~i p~~~~t r .Die Reaktionsproduklc wurden niittcls selcktivcr Extralition in tlici in AiilI~:iii u t i d Eigcllscll;tfit.l1 ul~tciscliic~dlic~lic J~raktionen aufgetrennt.IricwstigutiorL of the tiiacrorrdeciilar renctiori o f ~~vl~cliloro~rlio.sp/tnzene and ~)r)l~rcrl/lel.tescllfone o.zirle

Polyfluoroalkoxyphosphazenes — a Promising Class of Organoelemental Polymers

“…In order to elucidate the possibilities for the synthesis of graft copolymers on the basis of polyphosphazenes, polydichlorophosphazene was condensed with a high-molecular-weight poly(arylene sulphoxide), containing a reactive terminal hydroxy-group, in solution in THF in the presence of triethylamine with subsequent substitution of the chlorine atoms in the polyphosphazene fragments by fluoroalkoxygroups with the aid of sodium fluoroalkoxides llt9 or trifluoroethanol in the presence of triethylamine 150 . The graft copolymers thus obtained contain a comparatively large number of unsubstituted chlorine (2-3 wt.%) like the homofluoroalkoxyphosphazenes synthesised in the presence of tertiary amines.…”

Synthesis and Characterization of Brush-Shaped Hybrid Inorganic/Organic Polymers Based on Polyphosphazenes

“…29,33 There are three main strategies for preparing such species. These are "grafting through" (the polymerization of macromonomers), 34,35 "grafting onto" (the addition of previously prepared side chains to a backbone), 36,37 and "grafting from" (the polymerization of side chains from a macroinitiator backbone). 29,33,38 By far, the largest effort to construct brushlike polyphosphazenes has been reported by Gleria and co-workers using the "grafting from" technique.…”

“…The preparation of some molecular brushes based on polyphosphazenes with organic polymer grafts has been reported in earlier publications. , There are three main strategies for preparing such species. These are “grafting through” (the polymerization of macromonomers), , “grafting onto” (the addition of previously prepared side chains to a backbone), , and “grafting from” (the polymerization of side chains from a macroinitiator backbone). ,, By far, the largest effort to construct brushlike polyphosphazenes has been reported by Gleria and co-workers using the “grafting from” technique. ,, Their strategy was to use a poly­(organophosphazene) with organic side groups that would generate free radical sites when treated with peroxides or when exposed to high-energy radiation. These radical sites then served as initiation species for the free radical polymerization of vinyl-type monomers.…”