Differentialkalorimetrische Messungen an verschieden verzweigten und verschieden chlorierten polyäthylenen in Verbindung mit Röntgenmessungen

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Abstract
Branched or partially chlorinated polyethylenes may be considered as copolymers, the branching or chlorinated sites forming the noncryatallizing components. Melting curves are calculated according to Flory and compared to experimental curves on well annealed samples. A normalized conversion (fitting) function is obtained which is largely independent of the nature and concentration of the noncrystallizing component. By means of the fitting function conclusions are possible on the deviation from tlier mo dynamic equilibrium, on the crystallite size distribution and on the heterogeneous small angle scattering behavior.

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