Sequence-Length Segregation during Crystallization and Melting of a Model Homogeneous Copolymer

How the restriction of sliding diffusion of comonomers affects crystallization and melting of homogeneous copolymers

“…Recently, molecular simulations have identified the segregation behavior of sequence lengths during crystallization of homogeneous copolymers, with the hard restriction in the sliding diffusion of comonomers [15]. It will be interesting to study this segregation behavior in the no-restriction case and to make a comparison.…”

Polymer Crystallization Driven by Anisotropic Interactions

“…Hence there is The dashed lines start from the reduced temperature of 2 and meet the dotted curves at high temperatures [52] a sequence-length segregation during crystallization (Fig. 13) [124]. As the comonomer content of the polymer is increased, the morphology of the crystallites changes from lamellar to granular (Fig.…”

“…13 Cooling (solid line) and heating (dashed lines) curves of crystallinity and averaged length of crystallized sequences for slightly alternating copolymers with a comonomer mole fraction 0.24. The crystallized sequences are defined as the monomer sequences more than half of whose bonds are in crystalline states [124] Fig. 14 Snapshots of random copolymers with variable comonomer mole fractions at the reduced temperature of 1 in the cooling process of Fig.…”

Effect of hot air aging on the properties of ethylene‐vinyl acetate copolymer and ethylene‐acrylic acid copolymer blends

“…The data of melting peaks derived from DSC curves are listed in Table I and degree of crystallinity in Table II in detail. Comparatively, it can be observed that during the same thermal history, EAA with longer sequencelength of ethylene chain need more time to thermodynamic equilibrium state than EVA. 22 For various proportions of EAA and EVA blend, there are multiple endothermic peaks and shoulders, attributed to EAA and EVA, respectively. 23 For EAA in Figure 3 C. The T m1 and T 0 m1 are both contributed to primary crystallization which has no time to obtain thermodynamic equilibrium state.…”