Polymer Physics

The Ornstein-Zernike approximation also exists in the relationship betweenS(h) andS(0), SðhÞ¼ Sð 0 Þ 1 þðhxÞ^2 (9.30) wherexis t ...

Dfðr;tÞ¼f<f>exp½Dh^2 ðf^00 þ 2 kh^2 ÞtŠ (9.35) wheretis the time,Dis the effective diffusion coefficient,his the wave n ...

Although the new phase contains a lower free energy, generating new phase domains always brings an increase of interface free en ...

new phase merge into larger and more stable domains, and then the difference in the morphology of new phase between spinodal dec ...

diluted phases, as illustrated in Fig.9.10. Such a hierarchical interweaving texture in the matrix of polystyrene can induce a s ...

additional free energy contributions. The first contribution is from each chain crossing over the interfaces, as DHint¼kTw Adint ...

The second contribution is from the conformational entropy of deformed polymer chains due to the separation of two blocks at the ...

(Helfand1975a). The theory was further developed by Hong and Noolandi ( 1981 ). Helfand also applied this theoretical methodto t ...

symmetries. The recent development is from the collaboration between Shi and the research group of Yang and Qiu (Guo et al. 2008 ...

and aqueous gels. For NCCM, the shell molecules of the micelles can be further cross-linked, and after changed the solvent to di ...

Guo ZJ, Zhang GJ, Qiu F, Zhang HD, Yang YL, Shi AC (2008) Discovering ordered phases of block copolymers: new results from a gen ...

Chapter 10 Polymer Crystallization 10.1 Thermodynamics of Polymer Crystallization The phase transition from disordered states of ...

peak temperature is taken as the melting pointTm. In principle, when the crystal and the melt are at thermodynamic equilibrium, ...

ordering structures. The common liquid crystalline mesophases of small molecules are nematic, smectic, cholestic and columnar li ...

cloud in these molecules distributes non-locally along the long axis, and the corresponding polarizability is strongly anisotrop ...

Even without mesogen-groups, the anisotropic structure of some polymer chains can form the liquid crystal phase under specific c ...

liquid crystals, they occur before crystallization just because the latter requires a large degree of supercooling, as illustrat ...

chain, and neglects the long-range interactions along the chain as well as the inter- chain interactions. Therefore, the theoret ...

Therefore, the partition function of polymer solutions can be expressed as Z¼ð N N 1 ÞN^1 ð N N 2 ÞN^2 ð q 2 ÞN^2 zcðr^2 ÞN^2 e ...

Although the mixing interaction parameter exhibits the same formulas with the Flory-Huggins parameter, it contains contributions ...