Peterlin-Prevorsek model

The other approach concerns the analysis of models of oriented crystalline polymers 7,8172). For the Peterlin-Prevorsek model, the expression for px can be represented as... 

Numerous studies of the structure and properties of drawn crystalline polymers have led to the microfibrillar model of fibrous morphology177 179 180. According to Peterlin 179) and Prevorsek et al. 180), the long and thin microfibrils are the basic elements of the fibrous structure. The microfibrils consist of alternating folded chain crystallites and amorphous regions. The axial connection between the crystallites is accomplished by intrafibrillar tie-molecules inside each microfibril and by inter-fibrillar tie-molecules between adjacent microfibrils. 

The third type of model is based on a microfibrillar concept. According to Prevorsek and co-workers, " the fibre consists of three distinct domains. The crystalline domains and the intra-fibrillar disordered domains are joined in series and form the microfibrils. The interfibrillar domains are noncrystalline and consist of extended molecules. A different kind of microfibrillar model has been proposed, for example by Peterlin. ... 

---