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Poly dimeric model

On the basis of the kinetic results (Table 2), poly(ABP) exhibits substantially the same activity as poly(VBP), despite the longer distance of benzophenone moiety fix)m the backbone. However the homopolymers results indicate much more activity than with the corresponding low-molecular-weight monomeric analogues IBP and PBP, the dimeric model GBP showing an intermediate efficiency. [Pg.142]

Recommended initiators for methacrylate polymerizations are 1-24 (X = Br) and 1-25 (X = Cl), both of which are unimer and dimer models of poly(methacry-late) dormant terminals, respectively. For example, PMMA with precisely controlled molecular weights, very narrow MWDs (MJMn — 1.1), and nearly perfect end-capping with halogen was obtained with the 1-25 (X = Cl)/Ru-5/Al(0-7-Pr)3 initiating system.60 197 Alternatively, arenesulfonyl chlorides can lead to well-controlled poly (methacrylate) s with narrow MWDs (MJMn = 1.1 —1.2) in combination with copper catalysts.126176... [Pg.474]

A common photoisomerization reaction is intramolcculaffearrangemcnt that takes place in the nitro groups in poly(P-nitrostyrene) and its dimeric model compound upon irradiation with UV light... [Pg.253]

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See also in sourсe #XX -- [ Pg.839 , Pg.840 , Pg.841 ]



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Dimer model

Poly dimers

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