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Flexibility, relation valence

The rotational isomeric mechanism of flexibility is basically characteristic of carbon-carbon chains [28, 29]. The simplest model of the polymer chain which illustrates the basic features of the rotational isomeric mechanism of flexibility is shown in Fig. 1.2c [30]. In this model, the polymer chain is represented as a sequence of units of length a and characteristic thickness d, each of which can be in either the trans position (step forward) or in the gauche position (kink in valence angle Yq)- The sites of the kinks are not fixed, as they can appear with the same probability p in each stq> (p Kuhn segment of this model of the chain I by the relation [31]... [Pg.12]

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See also in sourсe #XX -- [ Pg.79 , Pg.80 , Pg.81 , Pg.82 , Pg.83 ]



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Flexibility, relation

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